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Файл:Lab_4 / lib_AT91SAM7S64
.h//* ----------------------------------------------------------------------------
//* ATMEL Microcontroller Software Support - ROUSSET -
//* ----------------------------------------------------------------------------
//* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
//* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
//* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
//* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
//* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
//* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
//* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
//* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
//* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
//* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//* ----------------------------------------------------------------------------
//* File Name : lib_AT91SAM7S64.h
//* Object : AT91SAM7S64 inlined functions
//* Generated : AT91 SW Application Group 03/08/2005 (15:46:05)
//*
//* CVS Reference : /lib_dbgu.h/1.1/Fri Jan 31 12:18:40 2003//
//* CVS Reference : /lib_pmc_SAM7S.h/1.1/Tue Feb 1 08:32:10 2005//
//* CVS Reference : /lib_VREG_6085B.h/1.1/Tue Feb 1 16:20:47 2005//
//* CVS Reference : /lib_rstc_6098A.h/1.1/Wed Oct 6 10:39:20 2004//
//* CVS Reference : /lib_ssc.h/1.4/Fri Jan 31 12:19:20 2003//
//* CVS Reference : /lib_wdtc_6080A.h/1.1/Wed Oct 6 10:38:30 2004//
//* CVS Reference : /lib_usart.h/1.5/Thu Nov 21 16:01:54 2002//
//* CVS Reference : /lib_spi2.h/1.1/Mon Aug 25 14:23:52 2003//
//* CVS Reference : /lib_pitc_6079A.h/1.2/Tue Nov 9 14:43:56 2004//
//* CVS Reference : /lib_aic.h/1.3/Fri Jul 12 08:46:12 2002//
//* CVS Reference : /lib_twi.h/1.3/Mon Jul 19 14:27:58 2004//
//* CVS Reference : /lib_adc.h/1.6/Fri Oct 17 09:12:38 2003//
//* CVS Reference : /lib_rttc_6081A.h/1.1/Wed Oct 6 10:39:38 2004//
//* CVS Reference : /lib_udp.h/1.4/Wed Feb 16 08:39:34 2005//
//* CVS Reference : /lib_tc_1753b.h/1.1/Fri Jan 31 12:20:02 2003//
//* CVS Reference : /lib_MC_SAM7S.h/1.1/Thu Mar 25 15:19:14 2004//
//* CVS Reference : /lib_pio.h/1.3/Fri Jan 31 12:18:56 2003//
//* CVS Reference : /lib_PWM_SAM.h/1.3/Thu Jan 22 10:10:50 2004//
//* CVS Reference : /lib_pdc.h/1.2/Tue Jul 2 13:29:40 2002//
//* ----------------------------------------------------------------------------
#ifndef lib_AT91SAM7S64_H
#define lib_AT91SAM7S64_H
/* *****************************************************************************
SOFTWARE API FOR AIC
***************************************************************************** */
#define AT91C_AIC_BRANCH_OPCODE ((void (*) ()) 0xE51FFF20) // ldr, pc, [pc, #-&F20]
//*----------------------------------------------------------------------------
//* \fn AT91F_AIC_ConfigureIt
//* \brief Interrupt Handler Initialization
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_AIC_ConfigureIt (
AT91PS_AIC pAic, // \arg pointer to the AIC registers
unsigned int irq_id, // \arg interrupt number to initialize
unsigned int priority, // \arg priority to give to the interrupt
unsigned int src_type, // \arg activation and sense of activation
void (*newHandler) (void) ) // \arg address of the interrupt handler
{
unsigned int oldHandler;
unsigned int mask ;
oldHandler = pAic->AIC_SVR[irq_id];
mask = 0x1 << irq_id ;
//* Disable the interrupt on the interrupt controller
pAic->AIC_IDCR = mask ;
//* Save the interrupt handler routine pointer and the interrupt priority
pAic->AIC_SVR[irq_id] = (unsigned int) newHandler ;
//* Store the Source Mode Register
pAic->AIC_SMR[irq_id] = src_type | priority ;
//* Clear the interrupt on the interrupt controller
pAic->AIC_ICCR = mask ;
return oldHandler;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_AIC_EnableIt
//* \brief Enable corresponding IT number
//*----------------------------------------------------------------------------
__inline void AT91F_AIC_EnableIt (
AT91PS_AIC pAic, // \arg pointer to the AIC registers
unsigned int irq_id ) // \arg interrupt number to initialize
{
//* Enable the interrupt on the interrupt controller
pAic->AIC_IECR = 0x1 << irq_id ;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_AIC_DisableIt
//* \brief Disable corresponding IT number
//*----------------------------------------------------------------------------
__inline void AT91F_AIC_DisableIt (
AT91PS_AIC pAic, // \arg pointer to the AIC registers
unsigned int irq_id ) // \arg interrupt number to initialize
{
unsigned int mask = 0x1 << irq_id;
//* Disable the interrupt on the interrupt controller
pAic->AIC_IDCR = mask ;
//* Clear the interrupt on the Interrupt Controller ( if one is pending )
pAic->AIC_ICCR = mask ;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_AIC_ClearIt
//* \brief Clear corresponding IT number
//*----------------------------------------------------------------------------
__inline void AT91F_AIC_ClearIt (
AT91PS_AIC pAic, // \arg pointer to the AIC registers
unsigned int irq_id) // \arg interrupt number to initialize
{
//* Clear the interrupt on the Interrupt Controller ( if one is pending )
pAic->AIC_ICCR = (0x1 << irq_id);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_AIC_AcknowledgeIt
//* \brief Acknowledge corresponding IT number
//*----------------------------------------------------------------------------
__inline void AT91F_AIC_AcknowledgeIt (
AT91PS_AIC pAic) // \arg pointer to the AIC registers
{
pAic->AIC_EOICR = pAic->AIC_EOICR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_AIC_SetExceptionVector
//* \brief Configure vector handler
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_AIC_SetExceptionVector (
unsigned int *pVector, // \arg pointer to the AIC registers
void (*Handler) () ) // \arg Interrupt Handler
{
unsigned int oldVector = *pVector;
if ((unsigned int) Handler == (unsigned int) AT91C_AIC_BRANCH_OPCODE)
*pVector = (unsigned int) AT91C_AIC_BRANCH_OPCODE;
else
*pVector = (((((unsigned int) Handler) - ((unsigned int) pVector) - 0x8) >> 2) & 0x00FFFFFF) | 0xEA000000;
return oldVector;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_AIC_Trig
//* \brief Trig an IT
//*----------------------------------------------------------------------------
__inline void AT91F_AIC_Trig (
AT91PS_AIC pAic, // \arg pointer to the AIC registers
unsigned int irq_id) // \arg interrupt number
{
pAic->AIC_ISCR = (0x1 << irq_id) ;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_AIC_IsActive
//* \brief Test if an IT is active
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_AIC_IsActive (
AT91PS_AIC pAic, // \arg pointer to the AIC registers
unsigned int irq_id) // \arg Interrupt Number
{
return (pAic->AIC_ISR & (0x1 << irq_id));
}
//*----------------------------------------------------------------------------
//* \fn AT91F_AIC_IsPending
//* \brief Test if an IT is pending
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_AIC_IsPending (
AT91PS_AIC pAic, // \arg pointer to the AIC registers
unsigned int irq_id) // \arg Interrupt Number
{
return (pAic->AIC_IPR & (0x1 << irq_id));
}
//*----------------------------------------------------------------------------
//* \fn AT91F_AIC_Open
//* \brief Set exception vectors and AIC registers to default values
//*----------------------------------------------------------------------------
__inline void AT91F_AIC_Open(
AT91PS_AIC pAic, // \arg pointer to the AIC registers
void (*IrqHandler) (), // \arg Default IRQ vector exception
void (*FiqHandler) (), // \arg Default FIQ vector exception
void (*DefaultHandler) (), // \arg Default Handler set in ISR
void (*SpuriousHandler) (), // \arg Default Spurious Handler
unsigned int protectMode) // \arg Debug Control Register
{
int i;
// Disable all interrupts and set IVR to the default handler
for (i = 0; i < 32; ++i) {
AT91F_AIC_DisableIt(pAic, i);
AT91F_AIC_ConfigureIt(pAic, i, AT91C_AIC_PRIOR_LOWEST, AT91C_AIC_SRCTYPE_INT_LEVEL_SENSITIVE, DefaultHandler);
}
// Set the IRQ exception vector
AT91F_AIC_SetExceptionVector((unsigned int *) 0x18, IrqHandler);
// Set the Fast Interrupt exception vector
AT91F_AIC_SetExceptionVector((unsigned int *) 0x1C, FiqHandler);
pAic->AIC_SPU = (unsigned int) SpuriousHandler;
pAic->AIC_DCR = protectMode;
}
/* *****************************************************************************
SOFTWARE API FOR PDC
***************************************************************************** */
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_SetNextRx
//* \brief Set the next receive transfer descriptor
//*----------------------------------------------------------------------------
__inline void AT91F_PDC_SetNextRx (
AT91PS_PDC pPDC, // \arg pointer to a PDC controller
char *address, // \arg address to the next bloc to be received
unsigned int bytes) // \arg number of bytes to be received
{
pPDC->PDC_RNPR = (unsigned int) address;
pPDC->PDC_RNCR = bytes;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_SetNextTx
//* \brief Set the next transmit transfer descriptor
//*----------------------------------------------------------------------------
__inline void AT91F_PDC_SetNextTx (
AT91PS_PDC pPDC, // \arg pointer to a PDC controller
char *address, // \arg address to the next bloc to be transmitted
unsigned int bytes) // \arg number of bytes to be transmitted
{
pPDC->PDC_TNPR = (unsigned int) address;
pPDC->PDC_TNCR = bytes;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_SetRx
//* \brief Set the receive transfer descriptor
//*----------------------------------------------------------------------------
__inline void AT91F_PDC_SetRx (
AT91PS_PDC pPDC, // \arg pointer to a PDC controller
char *address, // \arg address to the next bloc to be received
unsigned int bytes) // \arg number of bytes to be received
{
pPDC->PDC_RPR = (unsigned int) address;
pPDC->PDC_RCR = bytes;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_SetTx
//* \brief Set the transmit transfer descriptor
//*----------------------------------------------------------------------------
__inline void AT91F_PDC_SetTx (
AT91PS_PDC pPDC, // \arg pointer to a PDC controller
char *address, // \arg address to the next bloc to be transmitted
unsigned int bytes) // \arg number of bytes to be transmitted
{
pPDC->PDC_TPR = (unsigned int) address;
pPDC->PDC_TCR = bytes;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_EnableTx
//* \brief Enable transmit
//*----------------------------------------------------------------------------
__inline void AT91F_PDC_EnableTx (
AT91PS_PDC pPDC ) // \arg pointer to a PDC controller
{
pPDC->PDC_PTCR = AT91C_PDC_TXTEN;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_EnableRx
//* \brief Enable receive
//*----------------------------------------------------------------------------
__inline void AT91F_PDC_EnableRx (
AT91PS_PDC pPDC ) // \arg pointer to a PDC controller
{
pPDC->PDC_PTCR = AT91C_PDC_RXTEN;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_DisableTx
//* \brief Disable transmit
//*----------------------------------------------------------------------------
__inline void AT91F_PDC_DisableTx (
AT91PS_PDC pPDC ) // \arg pointer to a PDC controller
{
pPDC->PDC_PTCR = AT91C_PDC_TXTDIS;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_DisableRx
//* \brief Disable receive
//*----------------------------------------------------------------------------
__inline void AT91F_PDC_DisableRx (
AT91PS_PDC pPDC ) // \arg pointer to a PDC controller
{
pPDC->PDC_PTCR = AT91C_PDC_RXTDIS;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_IsTxEmpty
//* \brief Test if the current transfer descriptor has been sent
//*----------------------------------------------------------------------------
__inline int AT91F_PDC_IsTxEmpty ( // \return return 1 if transfer is complete
AT91PS_PDC pPDC ) // \arg pointer to a PDC controller
{
return !(pPDC->PDC_TCR);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_IsNextTxEmpty
//* \brief Test if the next transfer descriptor has been moved to the current td
//*----------------------------------------------------------------------------
__inline int AT91F_PDC_IsNextTxEmpty ( // \return return 1 if transfer is complete
AT91PS_PDC pPDC ) // \arg pointer to a PDC controller
{
return !(pPDC->PDC_TNCR);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_IsRxEmpty
//* \brief Test if the current transfer descriptor has been filled
//*----------------------------------------------------------------------------
__inline int AT91F_PDC_IsRxEmpty ( // \return return 1 if transfer is complete
AT91PS_PDC pPDC ) // \arg pointer to a PDC controller
{
return !(pPDC->PDC_RCR);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_IsNextRxEmpty
//* \brief Test if the next transfer descriptor has been moved to the current td
//*----------------------------------------------------------------------------
__inline int AT91F_PDC_IsNextRxEmpty ( // \return return 1 if transfer is complete
AT91PS_PDC pPDC ) // \arg pointer to a PDC controller
{
return !(pPDC->PDC_RNCR);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_Open
//* \brief Open PDC: disable TX and RX reset transfer descriptors, re-enable RX and TX
//*----------------------------------------------------------------------------
__inline void AT91F_PDC_Open (
AT91PS_PDC pPDC) // \arg pointer to a PDC controller
{
//* Disable the RX and TX PDC transfer requests
AT91F_PDC_DisableRx(pPDC);
AT91F_PDC_DisableTx(pPDC);
//* Reset all Counter register Next buffer first
AT91F_PDC_SetNextTx(pPDC, (char *) 0, 0);
AT91F_PDC_SetNextRx(pPDC, (char *) 0, 0);
AT91F_PDC_SetTx(pPDC, (char *) 0, 0);
AT91F_PDC_SetRx(pPDC, (char *) 0, 0);
//* Enable the RX and TX PDC transfer requests
AT91F_PDC_EnableRx(pPDC);
AT91F_PDC_EnableTx(pPDC);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_Close
//* \brief Close PDC: disable TX and RX reset transfer descriptors
//*----------------------------------------------------------------------------
__inline void AT91F_PDC_Close (
AT91PS_PDC pPDC) // \arg pointer to a PDC controller
{
//* Disable the RX and TX PDC transfer requests
AT91F_PDC_DisableRx(pPDC);
AT91F_PDC_DisableTx(pPDC);
//* Reset all Counter register Next buffer first
AT91F_PDC_SetNextTx(pPDC, (char *) 0, 0);
AT91F_PDC_SetNextRx(pPDC, (char *) 0, 0);
AT91F_PDC_SetTx(pPDC, (char *) 0, 0);
AT91F_PDC_SetRx(pPDC, (char *) 0, 0);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_SendFrame
//* \brief Close PDC: disable TX and RX reset transfer descriptors
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PDC_SendFrame(
AT91PS_PDC pPDC,
char *pBuffer,
unsigned int szBuffer,
char *pNextBuffer,
unsigned int szNextBuffer )
{
if (AT91F_PDC_IsTxEmpty(pPDC)) {
//* Buffer and next buffer can be initialized
AT91F_PDC_SetTx(pPDC, pBuffer, szBuffer);
AT91F_PDC_SetNextTx(pPDC, pNextBuffer, szNextBuffer);
return 2;
}
else if (AT91F_PDC_IsNextTxEmpty(pPDC)) {
//* Only one buffer can be initialized
AT91F_PDC_SetNextTx(pPDC, pBuffer, szBuffer);
return 1;
}
else {
//* All buffer are in use...
return 0;
}
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_ReceiveFrame
//* \brief Close PDC: disable TX and RX reset transfer descriptors
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PDC_ReceiveFrame (
AT91PS_PDC pPDC,
char *pBuffer,
unsigned int szBuffer,
char *pNextBuffer,
unsigned int szNextBuffer )
{
if (AT91F_PDC_IsRxEmpty(pPDC)) {
//* Buffer and next buffer can be initialized
AT91F_PDC_SetRx(pPDC, pBuffer, szBuffer);
AT91F_PDC_SetNextRx(pPDC, pNextBuffer, szNextBuffer);
return 2;
}
else if (AT91F_PDC_IsNextRxEmpty(pPDC)) {
//* Only one buffer can be initialized
AT91F_PDC_SetNextRx(pPDC, pBuffer, szBuffer);
return 1;
}
else {
//* All buffer are in use...
return 0;
}
}
/* *****************************************************************************
SOFTWARE API FOR DBGU
***************************************************************************** */
//*----------------------------------------------------------------------------
//* \fn AT91F_DBGU_InterruptEnable
//* \brief Enable DBGU Interrupt
//*----------------------------------------------------------------------------
__inline void AT91F_DBGU_InterruptEnable(
AT91PS_DBGU pDbgu, // \arg pointer to a DBGU controller
unsigned int flag) // \arg dbgu interrupt to be enabled
{
pDbgu->DBGU_IER = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_DBGU_InterruptDisable
//* \brief Disable DBGU Interrupt
//*----------------------------------------------------------------------------
__inline void AT91F_DBGU_InterruptDisable(
AT91PS_DBGU pDbgu, // \arg pointer to a DBGU controller
unsigned int flag) // \arg dbgu interrupt to be disabled
{
pDbgu->DBGU_IDR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_DBGU_GetInterruptMaskStatus
//* \brief Return DBGU Interrupt Mask Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_DBGU_GetInterruptMaskStatus( // \return DBGU Interrupt Mask Status
AT91PS_DBGU pDbgu) // \arg pointer to a DBGU controller
{
return pDbgu->DBGU_IMR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_DBGU_IsInterruptMasked
//* \brief Test if DBGU Interrupt is Masked
//*----------------------------------------------------------------------------
__inline int AT91F_DBGU_IsInterruptMasked(
AT91PS_DBGU pDbgu, // \arg pointer to a DBGU controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_DBGU_GetInterruptMaskStatus(pDbgu) & flag);
}
/* *****************************************************************************
SOFTWARE API FOR PIO
***************************************************************************** */
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_CfgPeriph
//* \brief Enable pins to be drived by peripheral
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_CfgPeriph(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int periphAEnable, // \arg PERIPH A to enable
unsigned int periphBEnable) // \arg PERIPH B to enable
{
pPio->PIO_ASR = periphAEnable;
pPio->PIO_BSR = periphBEnable;
pPio->PIO_PDR = (periphAEnable | periphBEnable); // Set in Periph mode
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_CfgOutput
//* \brief Enable PIO in output mode
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_CfgOutput(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int pioEnable) // \arg PIO to be enabled
{
pPio->PIO_PER = pioEnable; // Set in PIO mode
pPio->PIO_OER = pioEnable; // Configure in Output
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_CfgInput
//* \brief Enable PIO in input mode
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_CfgInput(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int inputEnable) // \arg PIO to be enabled
{
// Disable output
pPio->PIO_ODR = inputEnable;
pPio->PIO_PER = inputEnable;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_CfgOpendrain
//* \brief Configure PIO in open drain
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_CfgOpendrain(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int multiDrvEnable) // \arg pio to be configured in open drain
{
// Configure the multi-drive option
pPio->PIO_MDDR = ~multiDrvEnable;
pPio->PIO_MDER = multiDrvEnable;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_CfgPullup
//* \brief Enable pullup on PIO
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_CfgPullup(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int pullupEnable) // \arg enable pullup on PIO
{
// Connect or not Pullup
pPio->PIO_PPUDR = ~pullupEnable;
pPio->PIO_PPUER = pullupEnable;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_CfgDirectDrive
//* \brief Enable direct drive on PIO
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_CfgDirectDrive(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int directDrive) // \arg PIO to be configured with direct drive
{
// Configure the Direct Drive
pPio->PIO_OWDR = ~directDrive;
pPio->PIO_OWER = directDrive;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_CfgInputFilter
//* \brief Enable input filter on input PIO
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_CfgInputFilter(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int inputFilter) // \arg PIO to be configured with input filter
{
// Configure the Direct Drive
pPio->PIO_IFDR = ~inputFilter;
pPio->PIO_IFER = inputFilter;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_GetInput
//* \brief Return PIO input value
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PIO_GetInput( // \return PIO input
AT91PS_PIO pPio) // \arg pointer to a PIO controller
{
return pPio->PIO_PDSR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_IsInputSet
//* \brief Test if PIO is input flag is active
//*----------------------------------------------------------------------------
__inline int AT91F_PIO_IsInputSet(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_PIO_GetInput(pPio) & flag);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_SetOutput
//* \brief Set to 1 output PIO
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_SetOutput(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg output to be set
{
pPio->PIO_SODR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_ClearOutput
//* \brief Set to 0 output PIO
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_ClearOutput(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg output to be cleared
{
pPio->PIO_CODR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_ForceOutput
//* \brief Force output when Direct drive option is enabled
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_ForceOutput(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg output to be forced
{
pPio->PIO_ODSR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_Enable
//* \brief Enable PIO
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_Enable(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg pio to be enabled
{
pPio->PIO_PER = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_Disable
//* \brief Disable PIO
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_Disable(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg pio to be disabled
{
pPio->PIO_PDR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_GetStatus
//* \brief Return PIO Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PIO_GetStatus( // \return PIO Status
AT91PS_PIO pPio) // \arg pointer to a PIO controller
{
return pPio->PIO_PSR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_IsSet
//* \brief Test if PIO is Set
//*----------------------------------------------------------------------------
__inline int AT91F_PIO_IsSet(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_PIO_GetStatus(pPio) & flag);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_OutputEnable
//* \brief Output Enable PIO
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_OutputEnable(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg pio output to be enabled
{
pPio->PIO_OER = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_OutputDisable
//* \brief Output Enable PIO
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_OutputDisable(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg pio output to be disabled
{
pPio->PIO_ODR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_GetOutputStatus
//* \brief Return PIO Output Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PIO_GetOutputStatus( // \return PIO Output Status
AT91PS_PIO pPio) // \arg pointer to a PIO controller
{
return pPio->PIO_OSR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_IsOuputSet
//* \brief Test if PIO Output is Set
//*----------------------------------------------------------------------------
__inline int AT91F_PIO_IsOutputSet(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_PIO_GetOutputStatus(pPio) & flag);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_InputFilterEnable
//* \brief Input Filter Enable PIO
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_InputFilterEnable(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg pio input filter to be enabled
{
pPio->PIO_IFER = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_InputFilterDisable
//* \brief Input Filter Disable PIO
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_InputFilterDisable(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg pio input filter to be disabled
{
pPio->PIO_IFDR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_GetInputFilterStatus
//* \brief Return PIO Input Filter Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PIO_GetInputFilterStatus( // \return PIO Input Filter Status
AT91PS_PIO pPio) // \arg pointer to a PIO controller
{
return pPio->PIO_IFSR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_IsInputFilterSet
//* \brief Test if PIO Input filter is Set
//*----------------------------------------------------------------------------
__inline int AT91F_PIO_IsInputFilterSet(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_PIO_GetInputFilterStatus(pPio) & flag);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_GetOutputDataStatus
//* \brief Return PIO Output Data Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PIO_GetOutputDataStatus( // \return PIO Output Data Status
AT91PS_PIO pPio) // \arg pointer to a PIO controller
{
return pPio->PIO_ODSR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_InterruptEnable
//* \brief Enable PIO Interrupt
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_InterruptEnable(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg pio interrupt to be enabled
{
pPio->PIO_IER = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_InterruptDisable
//* \brief Disable PIO Interrupt
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_InterruptDisable(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg pio interrupt to be disabled
{
pPio->PIO_IDR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_GetInterruptMaskStatus
//* \brief Return PIO Interrupt Mask Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PIO_GetInterruptMaskStatus( // \return PIO Interrupt Mask Status
AT91PS_PIO pPio) // \arg pointer to a PIO controller
{
return pPio->PIO_IMR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_GetInterruptStatus
//* \brief Return PIO Interrupt Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PIO_GetInterruptStatus( // \return PIO Interrupt Status
AT91PS_PIO pPio) // \arg pointer to a PIO controller
{
return pPio->PIO_ISR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_IsInterruptMasked
//* \brief Test if PIO Interrupt is Masked
//*----------------------------------------------------------------------------
__inline int AT91F_PIO_IsInterruptMasked(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_PIO_GetInterruptMaskStatus(pPio) & flag);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_IsInterruptSet
//* \brief Test if PIO Interrupt is Set
//*----------------------------------------------------------------------------
__inline int AT91F_PIO_IsInterruptSet(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_PIO_GetInterruptStatus(pPio) & flag);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_MultiDriverEnable
//* \brief Multi Driver Enable PIO
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_MultiDriverEnable(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg pio to be enabled
{
pPio->PIO_MDER = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_MultiDriverDisable
//* \brief Multi Driver Disable PIO
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_MultiDriverDisable(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg pio to be disabled
{
pPio->PIO_MDDR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_GetMultiDriverStatus
//* \brief Return PIO Multi Driver Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PIO_GetMultiDriverStatus( // \return PIO Multi Driver Status
AT91PS_PIO pPio) // \arg pointer to a PIO controller
{
return pPio->PIO_MDSR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_IsMultiDriverSet
//* \brief Test if PIO MultiDriver is Set
//*----------------------------------------------------------------------------
__inline int AT91F_PIO_IsMultiDriverSet(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_PIO_GetMultiDriverStatus(pPio) & flag);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_A_RegisterSelection
//* \brief PIO A Register Selection
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_A_RegisterSelection(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg pio A register selection
{
pPio->PIO_ASR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_B_RegisterSelection
//* \brief PIO B Register Selection
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_B_RegisterSelection(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg pio B register selection
{
pPio->PIO_BSR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_Get_AB_RegisterStatus
//* \brief Return PIO Interrupt Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PIO_Get_AB_RegisterStatus( // \return PIO AB Register Status
AT91PS_PIO pPio) // \arg pointer to a PIO controller
{
return pPio->PIO_ABSR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_IsAB_RegisterSet
//* \brief Test if PIO AB Register is Set
//*----------------------------------------------------------------------------
__inline int AT91F_PIO_IsAB_RegisterSet(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_PIO_Get_AB_RegisterStatus(pPio) & flag);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_OutputWriteEnable
//* \brief Output Write Enable PIO
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_OutputWriteEnable(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg pio output write to be enabled
{
pPio->PIO_OWER = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_OutputWriteDisable
//* \brief Output Write Disable PIO
//*----------------------------------------------------------------------------
__inline void AT91F_PIO_OutputWriteDisable(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg pio output write to be disabled
{
pPio->PIO_OWDR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_GetOutputWriteStatus
//* \brief Return PIO Output Write Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PIO_GetOutputWriteStatus( // \return PIO Output Write Status
AT91PS_PIO pPio) // \arg pointer to a PIO controller
{
return pPio->PIO_OWSR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_IsOutputWriteSet
//* \brief Test if PIO OutputWrite is Set
//*----------------------------------------------------------------------------
__inline int AT91F_PIO_IsOutputWriteSet(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_PIO_GetOutputWriteStatus(pPio) & flag);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_GetCfgPullup
//* \brief Return PIO Configuration Pullup
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PIO_GetCfgPullup( // \return PIO Configuration Pullup
AT91PS_PIO pPio) // \arg pointer to a PIO controller
{
return pPio->PIO_PPUSR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_IsOutputDataStatusSet
//* \brief Test if PIO Output Data Status is Set
//*----------------------------------------------------------------------------
__inline int AT91F_PIO_IsOutputDataStatusSet(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_PIO_GetOutputDataStatus(pPio) & flag);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PIO_IsCfgPullupStatusSet
//* \brief Test if PIO Configuration Pullup Status is Set
//*----------------------------------------------------------------------------
__inline int AT91F_PIO_IsCfgPullupStatusSet(
AT91PS_PIO pPio, // \arg pointer to a PIO controller
unsigned int flag) // \arg flag to be tested
{
return (~AT91F_PIO_GetCfgPullup(pPio) & flag);
}
/* *****************************************************************************
SOFTWARE API FOR PMC
***************************************************************************** */
//*----------------------------------------------------------------------------
//* \fn AT91F_PMC_CfgSysClkEnableReg
//* \brief Configure the System Clock Enable Register of the PMC controller
//*----------------------------------------------------------------------------
__inline void AT91F_PMC_CfgSysClkEnableReg (
AT91PS_PMC pPMC, // \arg pointer to PMC controller
unsigned int mode)
{
//* Write to the SCER register
pPMC->PMC_SCER = mode;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PMC_CfgSysClkDisableReg
//* \brief Configure the System Clock Disable Register of the PMC controller
//*----------------------------------------------------------------------------
__inline void AT91F_PMC_CfgSysClkDisableReg (
AT91PS_PMC pPMC, // \arg pointer to PMC controller
unsigned int mode)
{
//* Write to the SCDR register
pPMC->PMC_SCDR = mode;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PMC_GetSysClkStatusReg
//* \brief Return the System Clock Status Register of the PMC controller
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PMC_GetSysClkStatusReg (
AT91PS_PMC pPMC // pointer to a CAN controller
)
{
return pPMC->PMC_SCSR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PMC_EnablePeriphClock
//* \brief Enable peripheral clock
//*----------------------------------------------------------------------------
__inline void AT91F_PMC_EnablePeriphClock (
AT91PS_PMC pPMC, // \arg pointer to PMC controller
unsigned int periphIds) // \arg IDs of peripherals to enable
{
pPMC->PMC_PCER = periphIds;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PMC_DisablePeriphClock
//* \brief Disable peripheral clock
//*----------------------------------------------------------------------------
__inline void AT91F_PMC_DisablePeriphClock (
AT91PS_PMC pPMC, // \arg pointer to PMC controller
unsigned int periphIds) // \arg IDs of peripherals to enable
{
pPMC->PMC_PCDR = periphIds;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PMC_GetPeriphClock
//* \brief Get peripheral clock status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PMC_GetPeriphClock (
AT91PS_PMC pPMC) // \arg pointer to PMC controller
{
return pPMC->PMC_PCSR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_CKGR_CfgMainOscillatorReg
//* \brief Cfg the main oscillator
//*----------------------------------------------------------------------------
__inline void AT91F_CKGR_CfgMainOscillatorReg (
AT91PS_CKGR pCKGR, // \arg pointer to CKGR controller
unsigned int mode)
{
pCKGR->CKGR_MOR = mode;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_CKGR_GetMainOscillatorReg
//* \brief Cfg the main oscillator
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_CKGR_GetMainOscillatorReg (
AT91PS_CKGR pCKGR) // \arg pointer to CKGR controller
{
return pCKGR->CKGR_MOR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_CKGR_EnableMainOscillator
//* \brief Enable the main oscillator
//*----------------------------------------------------------------------------
__inline void AT91F_CKGR_EnableMainOscillator(
AT91PS_CKGR pCKGR) // \arg pointer to CKGR controller
{
pCKGR->CKGR_MOR |= AT91C_CKGR_MOSCEN;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_CKGR_DisableMainOscillator
//* \brief Disable the main oscillator
//*----------------------------------------------------------------------------
__inline void AT91F_CKGR_DisableMainOscillator (
AT91PS_CKGR pCKGR) // \arg pointer to CKGR controller
{
pCKGR->CKGR_MOR &= ~AT91C_CKGR_MOSCEN;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_CKGR_CfgMainOscStartUpTime
//* \brief Cfg MOR Register according to the main osc startup time
//*----------------------------------------------------------------------------
__inline void AT91F_CKGR_CfgMainOscStartUpTime (
AT91PS_CKGR pCKGR, // \arg pointer to CKGR controller
unsigned int startup_time, // \arg main osc startup time in microsecond (us)
unsigned int slowClock) // \arg slowClock in Hz
{
pCKGR->CKGR_MOR &= ~AT91C_CKGR_OSCOUNT;
pCKGR->CKGR_MOR |= ((slowClock * startup_time)/(8*1000000)) << 8;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_CKGR_GetMainClockFreqReg
//* \brief Cfg the main oscillator
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_CKGR_GetMainClockFreqReg (
AT91PS_CKGR pCKGR) // \arg pointer to CKGR controller
{
return pCKGR->CKGR_MCFR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_CKGR_GetMainClock
//* \brief Return Main clock in Hz
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_CKGR_GetMainClock (
AT91PS_CKGR pCKGR, // \arg pointer to CKGR controller
unsigned int slowClock) // \arg slowClock in Hz
{
return ((pCKGR->CKGR_MCFR & AT91C_CKGR_MAINF) * slowClock) >> 4;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PMC_CfgMCKReg
//* \brief Cfg Master Clock Register
//*----------------------------------------------------------------------------
__inline void AT91F_PMC_CfgMCKReg (
AT91PS_PMC pPMC, // \arg pointer to PMC controller
unsigned int mode)
{
pPMC->PMC_MCKR = mode;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PMC_GetMCKReg
//* \brief Return Master Clock Register
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PMC_GetMCKReg(
AT91PS_PMC pPMC) // \arg pointer to PMC controller
{
return pPMC->PMC_MCKR;
}
//*------------------------------------------------------------------------------
//* \fn AT91F_PMC_GetMasterClock
//* \brief Return master clock in Hz which correponds to processor clock for ARM7
//*------------------------------------------------------------------------------
__inline unsigned int AT91F_PMC_GetMasterClock (
AT91PS_PMC pPMC, // \arg pointer to PMC controller
AT91PS_CKGR pCKGR, // \arg pointer to CKGR controller
unsigned int slowClock) // \arg slowClock in Hz
{
unsigned int reg = pPMC->PMC_MCKR;
unsigned int prescaler = (1 << ((reg & AT91C_PMC_PRES) >> 2));
unsigned int pllDivider, pllMultiplier;
switch (reg & AT91C_PMC_CSS) {
case AT91C_PMC_CSS_SLOW_CLK: // Slow clock selected
return slowClock / prescaler;
case AT91C_PMC_CSS_MAIN_CLK: // Main clock is selected
return AT91F_CKGR_GetMainClock(pCKGR, slowClock) / prescaler;
case AT91C_PMC_CSS_PLL_CLK: // PLLB clock is selected
reg = pCKGR->CKGR_PLLR;
pllDivider = (reg & AT91C_CKGR_DIV);
pllMultiplier = ((reg & AT91C_CKGR_MUL) >> 16) + 1;
return AT91F_CKGR_GetMainClock(pCKGR, slowClock) / pllDivider * pllMultiplier / prescaler;
}
return 0;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PMC_EnablePCK
//* \brief Enable peripheral clock
//*----------------------------------------------------------------------------
__inline void AT91F_PMC_EnablePCK (
AT91PS_PMC pPMC, // \arg pointer to PMC controller
unsigned int pck, // \arg Peripheral clock identifier 0 .. 7
unsigned int mode)
{
pPMC->PMC_PCKR[pck] = mode;
pPMC->PMC_SCER = (1 << pck) << 8;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PMC_DisablePCK
//* \brief Enable peripheral clock
//*----------------------------------------------------------------------------
__inline void AT91F_PMC_DisablePCK (
AT91PS_PMC pPMC, // \arg pointer to PMC controller
unsigned int pck) // \arg Peripheral clock identifier 0 .. 7
{
pPMC->PMC_SCDR = (1 << pck) << 8;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PMC_EnableIt
//* \brief Enable PMC interrupt
//*----------------------------------------------------------------------------
__inline void AT91F_PMC_EnableIt (
AT91PS_PMC pPMC, // pointer to a PMC controller
unsigned int flag) // IT to be enabled
{
//* Write to the IER register
pPMC->PMC_IER = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PMC_DisableIt
//* \brief Disable PMC interrupt
//*----------------------------------------------------------------------------
__inline void AT91F_PMC_DisableIt (
AT91PS_PMC pPMC, // pointer to a PMC controller
unsigned int flag) // IT to be disabled
{
//* Write to the IDR register
pPMC->PMC_IDR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PMC_GetStatus
//* \brief Return PMC Interrupt Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PMC_GetStatus( // \return PMC Interrupt Status
AT91PS_PMC pPMC) // pointer to a PMC controller
{
return pPMC->PMC_SR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PMC_GetInterruptMaskStatus
//* \brief Return PMC Interrupt Mask Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PMC_GetInterruptMaskStatus( // \return PMC Interrupt Mask Status
AT91PS_PMC pPMC) // pointer to a PMC controller
{
return pPMC->PMC_IMR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PMC_IsInterruptMasked
//* \brief Test if PMC Interrupt is Masked
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PMC_IsInterruptMasked(
AT91PS_PMC pPMC, // \arg pointer to a PMC controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_PMC_GetInterruptMaskStatus(pPMC) & flag);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PMC_IsStatusSet
//* \brief Test if PMC Status is Set
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PMC_IsStatusSet(
AT91PS_PMC pPMC, // \arg pointer to a PMC controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_PMC_GetStatus(pPMC) & flag);
}/* *****************************************************************************
SOFTWARE API FOR RSTC
***************************************************************************** */
//*----------------------------------------------------------------------------
//* \fn AT91F_RSTSoftReset
//* \brief Start Software Reset
//*----------------------------------------------------------------------------
__inline void AT91F_RSTSoftReset(
AT91PS_RSTC pRSTC,
unsigned int reset)
{
pRSTC->RSTC_RCR = (0xA5000000 | reset);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_RSTSetMode
//* \brief Set Reset Mode
//*----------------------------------------------------------------------------
__inline void AT91F_RSTSetMode(
AT91PS_RSTC pRSTC,
unsigned int mode)
{
pRSTC->RSTC_RMR = (0xA5000000 | mode);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_RSTGetMode
//* \brief Get Reset Mode
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_RSTGetMode(
AT91PS_RSTC pRSTC)
{
return (pRSTC->RSTC_RMR);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_RSTGetStatus
//* \brief Get Reset Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_RSTGetStatus(
AT91PS_RSTC pRSTC)
{
return (pRSTC->RSTC_RSR);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_RSTIsSoftRstActive
//* \brief Return !=0 if software reset is still not completed
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_RSTIsSoftRstActive(
AT91PS_RSTC pRSTC)
{
return ((pRSTC->RSTC_RSR) & AT91C_RSTC_SRCMP);
}
/* *****************************************************************************
SOFTWARE API FOR RTTC
***************************************************************************** */
//*--------------------------------------------------------------------------------------
//* \fn AT91F_SetRTT_TimeBase()
//* \brief Set the RTT prescaler according to the TimeBase in ms
//*--------------------------------------------------------------------------------------
__inline unsigned int AT91F_RTTSetTimeBase(
AT91PS_RTTC pRTTC,
unsigned int ms)
{
if (ms > 2000)
return 1; // AT91C_TIME_OUT_OF_RANGE
pRTTC->RTTC_RTMR &= ~0xFFFF;
pRTTC->RTTC_RTMR |= (((ms << 15) /1000) & 0xFFFF);
return 0;
}
//*--------------------------------------------------------------------------------------
//* \fn AT91F_RTTSetPrescaler()
//* \brief Set the new prescaler value
//*--------------------------------------------------------------------------------------
__inline unsigned int AT91F_RTTSetPrescaler(
AT91PS_RTTC pRTTC,
unsigned int rtpres)
{
pRTTC->RTTC_RTMR &= ~0xFFFF;
pRTTC->RTTC_RTMR |= (rtpres & 0xFFFF);
return (pRTTC->RTTC_RTMR);
}
//*--------------------------------------------------------------------------------------
//* \fn AT91F_RTTRestart()
//* \brief Restart the RTT prescaler
//*--------------------------------------------------------------------------------------
__inline void AT91F_RTTRestart(
AT91PS_RTTC pRTTC)
{
pRTTC->RTTC_RTMR |= AT91C_RTTC_RTTRST;
}
//*--------------------------------------------------------------------------------------
//* \fn AT91F_RTT_SetAlarmINT()
//* \brief Enable RTT Alarm Interrupt
//*--------------------------------------------------------------------------------------
__inline void AT91F_RTTSetAlarmINT(
AT91PS_RTTC pRTTC)
{
pRTTC->RTTC_RTMR |= AT91C_RTTC_ALMIEN;
}
//*--------------------------------------------------------------------------------------
//* \fn AT91F_RTT_ClearAlarmINT()
//* \brief Disable RTT Alarm Interrupt
//*--------------------------------------------------------------------------------------
__inline void AT91F_RTTClearAlarmINT(
AT91PS_RTTC pRTTC)
{
pRTTC->RTTC_RTMR &= ~AT91C_RTTC_ALMIEN;
}
//*--------------------------------------------------------------------------------------
//* \fn AT91F_RTT_SetRttIncINT()
//* \brief Enable RTT INC Interrupt
//*--------------------------------------------------------------------------------------
__inline void AT91F_RTTSetRttIncINT(
AT91PS_RTTC pRTTC)
{
pRTTC->RTTC_RTMR |= AT91C_RTTC_RTTINCIEN;
}
//*--------------------------------------------------------------------------------------
//* \fn AT91F_RTT_ClearRttIncINT()
//* \brief Disable RTT INC Interrupt
//*--------------------------------------------------------------------------------------
__inline void AT91F_RTTClearRttIncINT(
AT91PS_RTTC pRTTC)
{
pRTTC->RTTC_RTMR &= ~AT91C_RTTC_RTTINCIEN;
}
//*--------------------------------------------------------------------------------------
//* \fn AT91F_RTT_SetAlarmValue()
//* \brief Set RTT Alarm Value
//*--------------------------------------------------------------------------------------
__inline void AT91F_RTTSetAlarmValue(
AT91PS_RTTC pRTTC, unsigned int alarm)
{
pRTTC->RTTC_RTAR = alarm;
}
//*--------------------------------------------------------------------------------------
//* \fn AT91F_RTT_GetAlarmValue()
//* \brief Get RTT Alarm Value
//*--------------------------------------------------------------------------------------
__inline unsigned int AT91F_RTTGetAlarmValue(
AT91PS_RTTC pRTTC)
{
return(pRTTC->RTTC_RTAR);
}
//*--------------------------------------------------------------------------------------
//* \fn AT91F_RTTGetStatus()
//* \brief Read the RTT status
//*--------------------------------------------------------------------------------------
__inline unsigned int AT91F_RTTGetStatus(
AT91PS_RTTC pRTTC)
{
return(pRTTC->RTTC_RTSR);
}
//*--------------------------------------------------------------------------------------
//* \fn AT91F_RTT_ReadValue()
//* \brief Read the RTT value
//*--------------------------------------------------------------------------------------
__inline unsigned int AT91F_RTTReadValue(
AT91PS_RTTC pRTTC)
{
register volatile unsigned int val1,val2;
do
{
val1 = pRTTC->RTTC_RTVR;
val2 = pRTTC->RTTC_RTVR;
}
while(val1 != val2);
return(val1);
}
/* *****************************************************************************
SOFTWARE API FOR PITC
***************************************************************************** */
//*----------------------------------------------------------------------------
//* \fn AT91F_PITInit
//* \brief System timer init : period in µsecond, system clock freq in MHz
//*----------------------------------------------------------------------------
__inline void AT91F_PITInit(
AT91PS_PITC pPITC,
unsigned int period,
unsigned int pit_frequency)
{
pPITC->PITC_PIMR = period? (period * pit_frequency + 8) >> 4 : 0; // +8 to avoid %10 and /10
pPITC->PITC_PIMR |= AT91C_PITC_PITEN;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PITSetPIV
//* \brief Set the PIT Periodic Interval Value
//*----------------------------------------------------------------------------
__inline void AT91F_PITSetPIV(
AT91PS_PITC pPITC,
unsigned int piv)
{
pPITC->PITC_PIMR = piv | (pPITC->PITC_PIMR & (AT91C_PITC_PITEN | AT91C_PITC_PITIEN));
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PITEnableInt
//* \brief Enable PIT periodic interrupt
//*----------------------------------------------------------------------------
__inline void AT91F_PITEnableInt(
AT91PS_PITC pPITC)
{
pPITC->PITC_PIMR |= AT91C_PITC_PITIEN;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PITDisableInt
//* \brief Disable PIT periodic interrupt
//*----------------------------------------------------------------------------
__inline void AT91F_PITDisableInt(
AT91PS_PITC pPITC)
{
pPITC->PITC_PIMR &= ~AT91C_PITC_PITIEN;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PITGetMode
//* \brief Read PIT mode register
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PITGetMode(
AT91PS_PITC pPITC)
{
return(pPITC->PITC_PIMR);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PITGetStatus
//* \brief Read PIT status register
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PITGetStatus(
AT91PS_PITC pPITC)
{
return(pPITC->PITC_PISR);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PITGetPIIR
//* \brief Read PIT CPIV and PICNT without ressetting the counters
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PITGetPIIR(
AT91PS_PITC pPITC)
{
return(pPITC->PITC_PIIR);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PITGetPIVR
//* \brief Read System timer CPIV and PICNT without ressetting the counters
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_PITGetPIVR(
AT91PS_PITC pPITC)
{
return(pPITC->PITC_PIVR);
}
/* *****************************************************************************
SOFTWARE API FOR WDTC
***************************************************************************** */
//*----------------------------------------------------------------------------
//* \fn AT91F_WDTSetMode
//* \brief Set Watchdog Mode Register
//*----------------------------------------------------------------------------
__inline void AT91F_WDTSetMode(
AT91PS_WDTC pWDTC,
unsigned int Mode)
{
pWDTC->WDTC_WDMR = Mode;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_WDTRestart
//* \brief Restart Watchdog
//*----------------------------------------------------------------------------
__inline void AT91F_WDTRestart(
AT91PS_WDTC pWDTC)
{
pWDTC->WDTC_WDCR = 0xA5000001;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_WDTSGettatus
//* \brief Get Watchdog Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_WDTSGettatus(
AT91PS_WDTC pWDTC)
{
return(pWDTC->WDTC_WDSR & 0x3);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_WDTGetPeriod
//* \brief Translate ms into Watchdog Compatible value
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_WDTGetPeriod(unsigned int ms)
{
if ((ms < 4) || (ms > 16000))
return 0;
return((ms << 8) / 1000);
}
/* *****************************************************************************
SOFTWARE API FOR VREG
***************************************************************************** */
//*----------------------------------------------------------------------------
//* \fn AT91F_VREG_Enable_LowPowerMode
//* \brief Enable VREG Low Power Mode
//*----------------------------------------------------------------------------
__inline void AT91F_VREG_Enable_LowPowerMode(
AT91PS_VREG pVREG)
{
pVREG->VREG_MR |= AT91C_VREG_PSTDBY;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_VREG_Disable_LowPowerMode
//* \brief Disable VREG Low Power Mode
//*----------------------------------------------------------------------------
__inline void AT91F_VREG_Disable_LowPowerMode(
AT91PS_VREG pVREG)
{
pVREG->VREG_MR &= ~AT91C_VREG_PSTDBY;
}/* *****************************************************************************
SOFTWARE API FOR MC
***************************************************************************** */
#define AT91C_MC_CORRECT_KEY ((unsigned int) 0x5A << 24) // (MC) Correct Protect Key
//*----------------------------------------------------------------------------
//* \fn AT91F_MC_Remap
//* \brief Make Remap
//*----------------------------------------------------------------------------
__inline void AT91F_MC_Remap (void) //
{
AT91PS_MC pMC = (AT91PS_MC) AT91C_BASE_MC;
pMC->MC_RCR = AT91C_MC_RCB;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_MC_EFC_CfgModeReg
//* \brief Configure the EFC Mode Register of the MC controller
//*----------------------------------------------------------------------------
__inline void AT91F_MC_EFC_CfgModeReg (
AT91PS_MC pMC, // pointer to a MC controller
unsigned int mode) // mode register
{
// Write to the FMR register
pMC->MC_FMR = mode;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_MC_EFC_GetModeReg
//* \brief Return MC EFC Mode Regsiter
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_MC_EFC_GetModeReg(
AT91PS_MC pMC) // pointer to a MC controller
{
return pMC->MC_FMR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_MC_EFC_ComputeFMCN
//* \brief Return MC EFC Mode Regsiter
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_MC_EFC_ComputeFMCN(
int master_clock) // master clock in Hz
{
return (master_clock/1000000 +2);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_MC_EFC_PerformCmd
//* \brief Perform EFC Command
//*----------------------------------------------------------------------------
__inline void AT91F_MC_EFC_PerformCmd (
AT91PS_MC pMC, // pointer to a MC controller
unsigned int transfer_cmd)
{
pMC->MC_FCR = transfer_cmd;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_MC_EFC_GetStatus
//* \brief Return MC EFC Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_MC_EFC_GetStatus(
AT91PS_MC pMC) // pointer to a MC controller
{
return pMC->MC_FSR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_MC_EFC_IsInterruptMasked
//* \brief Test if EFC MC Interrupt is Masked
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_MC_EFC_IsInterruptMasked(
AT91PS_MC pMC, // \arg pointer to a MC controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_MC_EFC_GetModeReg(pMC) & flag);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_MC_EFC_IsInterruptSet
//* \brief Test if EFC MC Interrupt is Set
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_MC_EFC_IsInterruptSet(
AT91PS_MC pMC, // \arg pointer to a MC controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_MC_EFC_GetStatus(pMC) & flag);
}
/* *****************************************************************************
SOFTWARE API FOR SPI
***************************************************************************** */
//*----------------------------------------------------------------------------
//* \fn AT91F_SPI_Open
//* \brief Open a SPI Port
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_SPI_Open (
const unsigned int null) // \arg
{
/* NOT DEFINED AT THIS MOMENT */
return ( 0 );
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SPI_CfgCs
//* \brief Configure SPI chip select register
//*----------------------------------------------------------------------------
__inline void AT91F_SPI_CfgCs (
AT91PS_SPI pSPI, // pointer to a SPI controller
int cs, // SPI cs number (0 to 3)
int val) // chip select register
{
//* Write to the CSR register
*(pSPI->SPI_CSR + cs) = val;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SPI_EnableIt
//* \brief Enable SPI interrupt
//*----------------------------------------------------------------------------
__inline void AT91F_SPI_EnableIt (
AT91PS_SPI pSPI, // pointer to a SPI controller
unsigned int flag) // IT to be enabled
{
//* Write to the IER register
pSPI->SPI_IER = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SPI_DisableIt
//* \brief Disable SPI interrupt
//*----------------------------------------------------------------------------
__inline void AT91F_SPI_DisableIt (
AT91PS_SPI pSPI, // pointer to a SPI controller
unsigned int flag) // IT to be disabled
{
//* Write to the IDR register
pSPI->SPI_IDR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SPI_Reset
//* \brief Reset the SPI controller
//*----------------------------------------------------------------------------
__inline void AT91F_SPI_Reset (
AT91PS_SPI pSPI // pointer to a SPI controller
)
{
//* Write to the CR register
pSPI->SPI_CR = AT91C_SPI_SWRST;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SPI_Enable
//* \brief Enable the SPI controller
//*----------------------------------------------------------------------------
__inline void AT91F_SPI_Enable (
AT91PS_SPI pSPI // pointer to a SPI controller
)
{
//* Write to the CR register
pSPI->SPI_CR = AT91C_SPI_SPIEN;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SPI_Disable
//* \brief Disable the SPI controller
//*----------------------------------------------------------------------------
__inline void AT91F_SPI_Disable (
AT91PS_SPI pSPI // pointer to a SPI controller
)
{
//* Write to the CR register
pSPI->SPI_CR = AT91C_SPI_SPIDIS;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SPI_CfgMode
//* \brief Enable the SPI controller
//*----------------------------------------------------------------------------
__inline void AT91F_SPI_CfgMode (
AT91PS_SPI pSPI, // pointer to a SPI controller
int mode) // mode register
{
//* Write to the MR register
pSPI->SPI_MR = mode;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SPI_CfgPCS
//* \brief Switch to the correct PCS of SPI Mode Register : Fixed Peripheral Selected
//*----------------------------------------------------------------------------
__inline void AT91F_SPI_CfgPCS (
AT91PS_SPI pSPI, // pointer to a SPI controller
char PCS_Device) // PCS of the Device
{
//* Write to the MR register
pSPI->SPI_MR &= 0xFFF0FFFF;
pSPI->SPI_MR |= ( (PCS_Device<<16) & AT91C_SPI_PCS );
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SPI_ReceiveFrame
//* \brief Return 2 if PDC has been initialized with Buffer and Next Buffer, 1 if PDC has been initializaed with Next Buffer, 0 if PDC is busy
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_SPI_ReceiveFrame (
AT91PS_SPI pSPI,
char *pBuffer,
unsigned int szBuffer,
char *pNextBuffer,
unsigned int szNextBuffer )
{
return AT91F_PDC_ReceiveFrame(
(AT91PS_PDC) &(pSPI->SPI_RPR),
pBuffer,
szBuffer,
pNextBuffer,
szNextBuffer);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SPI_SendFrame
//* \brief Return 2 if PDC has been initialized with Buffer and Next Buffer, 1 if PDC has been initializaed with Next Buffer, 0 if PDC is bSPIy
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_SPI_SendFrame(
AT91PS_SPI pSPI,
char *pBuffer,
unsigned int szBuffer,
char *pNextBuffer,
unsigned int szNextBuffer )
{
return AT91F_PDC_SendFrame(
(AT91PS_PDC) &(pSPI->SPI_RPR),
pBuffer,
szBuffer,
pNextBuffer,
szNextBuffer);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SPI_Close
//* \brief Close SPI: disable IT disable transfert, close PDC
//*----------------------------------------------------------------------------
__inline void AT91F_SPI_Close (
AT91PS_SPI pSPI) // \arg pointer to a SPI controller
{
//* Reset all the Chip Select register
pSPI->SPI_CSR[0] = 0 ;
pSPI->SPI_CSR[1] = 0 ;
pSPI->SPI_CSR[2] = 0 ;
pSPI->SPI_CSR[3] = 0 ;
//* Reset the SPI mode
pSPI->SPI_MR = 0 ;
//* Disable all interrupts
pSPI->SPI_IDR = 0xFFFFFFFF ;
//* Abort the Peripheral Data Transfers
AT91F_PDC_Close((AT91PS_PDC) &(pSPI->SPI_RPR));
//* Disable receiver and transmitter and stop any activity immediately
pSPI->SPI_CR = AT91C_SPI_SPIDIS;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SPI_PutChar
//* \brief Send a character,does not check if ready to send
//*----------------------------------------------------------------------------
__inline void AT91F_SPI_PutChar (
AT91PS_SPI pSPI,
unsigned int character,
unsigned int cs_number )
{
unsigned int value_for_cs;
value_for_cs = (~(1 << cs_number)) & 0xF; //Place a zero among a 4 ONEs number
pSPI->SPI_TDR = (character & 0xFFFF) | (value_for_cs << 16);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SPI_GetChar
//* \brief Receive a character,does not check if a character is available
//*----------------------------------------------------------------------------
__inline int AT91F_SPI_GetChar (
const AT91PS_SPI pSPI)
{
return((pSPI->SPI_RDR) & 0xFFFF);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SPI_GetInterruptMaskStatus
//* \brief Return SPI Interrupt Mask Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_SPI_GetInterruptMaskStatus( // \return SPI Interrupt Mask Status
AT91PS_SPI pSpi) // \arg pointer to a SPI controller
{
return pSpi->SPI_IMR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SPI_IsInterruptMasked
//* \brief Test if SPI Interrupt is Masked
//*----------------------------------------------------------------------------
__inline int AT91F_SPI_IsInterruptMasked(
AT91PS_SPI pSpi, // \arg pointer to a SPI controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_SPI_GetInterruptMaskStatus(pSpi) & flag);
}
/* *****************************************************************************
SOFTWARE API FOR ADC
***************************************************************************** */
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_EnableIt
//* \brief Enable ADC interrupt
//*----------------------------------------------------------------------------
__inline void AT91F_ADC_EnableIt (
AT91PS_ADC pADC, // pointer to a ADC controller
unsigned int flag) // IT to be enabled
{
//* Write to the IER register
pADC->ADC_IER = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_DisableIt
//* \brief Disable ADC interrupt
//*----------------------------------------------------------------------------
__inline void AT91F_ADC_DisableIt (
AT91PS_ADC pADC, // pointer to a ADC controller
unsigned int flag) // IT to be disabled
{
//* Write to the IDR register
pADC->ADC_IDR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_GetStatus
//* \brief Return ADC Interrupt Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_ADC_GetStatus( // \return ADC Interrupt Status
AT91PS_ADC pADC) // pointer to a ADC controller
{
return pADC->ADC_SR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_GetInterruptMaskStatus
//* \brief Return ADC Interrupt Mask Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_ADC_GetInterruptMaskStatus( // \return ADC Interrupt Mask Status
AT91PS_ADC pADC) // pointer to a ADC controller
{
return pADC->ADC_IMR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_IsInterruptMasked
//* \brief Test if ADC Interrupt is Masked
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_ADC_IsInterruptMasked(
AT91PS_ADC pADC, // \arg pointer to a ADC controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_ADC_GetInterruptMaskStatus(pADC) & flag);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_IsStatusSet
//* \brief Test if ADC Status is Set
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_ADC_IsStatusSet(
AT91PS_ADC pADC, // \arg pointer to a ADC controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_ADC_GetStatus(pADC) & flag);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_CfgModeReg
//* \brief Configure the Mode Register of the ADC controller
//*----------------------------------------------------------------------------
__inline void AT91F_ADC_CfgModeReg (
AT91PS_ADC pADC, // pointer to a ADC controller
unsigned int mode) // mode register
{
//* Write to the MR register
pADC->ADC_MR = mode;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_GetModeReg
//* \brief Return the Mode Register of the ADC controller value
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_ADC_GetModeReg (
AT91PS_ADC pADC // pointer to a ADC controller
)
{
return pADC->ADC_MR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_CfgTimings
//* \brief Configure the different necessary timings of the ADC controller
//*----------------------------------------------------------------------------
__inline void AT91F_ADC_CfgTimings (
AT91PS_ADC pADC, // pointer to a ADC controller
unsigned int mck_clock, // in MHz
unsigned int adc_clock, // in MHz
unsigned int startup_time, // in us
unsigned int sample_and_hold_time) // in ns
{
unsigned int prescal,startup,shtim;
prescal = mck_clock/(2*adc_clock) - 1;
startup = adc_clock*startup_time/8 - 1;
shtim = adc_clock*sample_and_hold_time/1000 - 1;
//* Write to the MR register
pADC->ADC_MR = ( (prescal<<8) & AT91C_ADC_PRESCAL) | ( (startup<<16) & AT91C_ADC_STARTUP) | ( (shtim<<24) & AT91C_ADC_SHTIM);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_EnableChannel
//* \brief Return ADC Timer Register Value
//*----------------------------------------------------------------------------
__inline void AT91F_ADC_EnableChannel (
AT91PS_ADC pADC, // pointer to a ADC controller
unsigned int channel) // mode register
{
//* Write to the CHER register
pADC->ADC_CHER = channel;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_DisableChannel
//* \brief Return ADC Timer Register Value
//*----------------------------------------------------------------------------
__inline void AT91F_ADC_DisableChannel (
AT91PS_ADC pADC, // pointer to a ADC controller
unsigned int channel) // mode register
{
//* Write to the CHDR register
pADC->ADC_CHDR = channel;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_GetChannelStatus
//* \brief Return ADC Timer Register Value
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_ADC_GetChannelStatus (
AT91PS_ADC pADC // pointer to a ADC controller
)
{
return pADC->ADC_CHSR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_StartConversion
//* \brief Software request for a analog to digital conversion
//*----------------------------------------------------------------------------
__inline void AT91F_ADC_StartConversion (
AT91PS_ADC pADC // pointer to a ADC controller
)
{
pADC->ADC_CR = AT91C_ADC_START;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_SoftReset
//* \brief Software reset
//*----------------------------------------------------------------------------
__inline void AT91F_ADC_SoftReset (
AT91PS_ADC pADC // pointer to a ADC controller
)
{
pADC->ADC_CR = AT91C_ADC_SWRST;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_GetLastConvertedData
//* \brief Return the Last Converted Data
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_ADC_GetLastConvertedData (
AT91PS_ADC pADC // pointer to a ADC controller
)
{
return pADC->ADC_LCDR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_GetConvertedDataCH0
//* \brief Return the Channel 0 Converted Data
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_ADC_GetConvertedDataCH0 (
AT91PS_ADC pADC // pointer to a ADC controller
)
{
return pADC->ADC_CDR0;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_GetConvertedDataCH1
//* \brief Return the Channel 1 Converted Data
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_ADC_GetConvertedDataCH1 (
AT91PS_ADC pADC // pointer to a ADC controller
)
{
return pADC->ADC_CDR1;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_GetConvertedDataCH2
//* \brief Return the Channel 2 Converted Data
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_ADC_GetConvertedDataCH2 (
AT91PS_ADC pADC // pointer to a ADC controller
)
{
return pADC->ADC_CDR2;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_GetConvertedDataCH3
//* \brief Return the Channel 3 Converted Data
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_ADC_GetConvertedDataCH3 (
AT91PS_ADC pADC // pointer to a ADC controller
)
{
return pADC->ADC_CDR3;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_GetConvertedDataCH4
//* \brief Return the Channel 4 Converted Data
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_ADC_GetConvertedDataCH4 (
AT91PS_ADC pADC // pointer to a ADC controller
)
{
return pADC->ADC_CDR4;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_GetConvertedDataCH5
//* \brief Return the Channel 5 Converted Data
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_ADC_GetConvertedDataCH5 (
AT91PS_ADC pADC // pointer to a ADC controller
)
{
return pADC->ADC_CDR5;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_GetConvertedDataCH6
//* \brief Return the Channel 6 Converted Data
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_ADC_GetConvertedDataCH6 (
AT91PS_ADC pADC // pointer to a ADC controller
)
{
return pADC->ADC_CDR6;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_ADC_GetConvertedDataCH7
//* \brief Return the Channel 7 Converted Data
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_ADC_GetConvertedDataCH7 (
AT91PS_ADC pADC // pointer to a ADC controller
)
{
return pADC->ADC_CDR7;
}
/* *****************************************************************************
SOFTWARE API FOR SSC
***************************************************************************** */
//* Define the standard I2S mode configuration
//* Configuration to set in the SSC Transmit Clock Mode Register
//* Parameters : nb_bit_by_slot : 8, 16 or 32 bits
//* nb_slot_by_frame : number of channels
#define AT91C_I2S_ASY_MASTER_TX_SETTING(nb_bit_by_slot, nb_slot_by_frame)( +\
AT91C_SSC_CKS_DIV +\
AT91C_SSC_CKO_CONTINOUS +\
AT91C_SSC_CKG_NONE +\
AT91C_SSC_START_FALL_RF +\
AT91C_SSC_STTOUT +\
((1<<16) & AT91C_SSC_STTDLY) +\
((((nb_bit_by_slot*nb_slot_by_frame)/2)-1) <<24))
//* Configuration to set in the SSC Transmit Frame Mode Register
//* Parameters : nb_bit_by_slot : 8, 16 or 32 bits
//* nb_slot_by_frame : number of channels
#define AT91C_I2S_ASY_TX_FRAME_SETTING(nb_bit_by_slot, nb_slot_by_frame)( +\
(nb_bit_by_slot-1) +\
AT91C_SSC_MSBF +\
(((nb_slot_by_frame-1)<<8) & AT91C_SSC_DATNB) +\
(((nb_bit_by_slot-1)<<16) & AT91C_SSC_FSLEN) +\
AT91C_SSC_FSOS_NEGATIVE)
//*----------------------------------------------------------------------------
//* \fn AT91F_SSC_SetBaudrate
//* \brief Set the baudrate according to the CPU clock
//*----------------------------------------------------------------------------
__inline void AT91F_SSC_SetBaudrate (
AT91PS_SSC pSSC, // \arg pointer to a SSC controller
unsigned int mainClock, // \arg peripheral clock
unsigned int speed) // \arg SSC baudrate
{
unsigned int baud_value;
//* Define the baud rate divisor register
if (speed == 0)
baud_value = 0;
else
{
baud_value = (unsigned int) (mainClock * 10)/(2*speed);
if ((baud_value % 10) >= 5)
baud_value = (baud_value / 10) + 1;
else
baud_value /= 10;
}
pSSC->SSC_CMR = baud_value;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SSC_Configure
//* \brief Configure SSC
//*----------------------------------------------------------------------------
__inline void AT91F_SSC_Configure (
AT91PS_SSC pSSC, // \arg pointer to a SSC controller
unsigned int syst_clock, // \arg System Clock Frequency
unsigned int baud_rate, // \arg Expected Baud Rate Frequency
unsigned int clock_rx, // \arg Receiver Clock Parameters
unsigned int mode_rx, // \arg mode Register to be programmed
unsigned int clock_tx, // \arg Transmitter Clock Parameters
unsigned int mode_tx) // \arg mode Register to be programmed
{
//* Disable interrupts
pSSC->SSC_IDR = (unsigned int) -1;
//* Reset receiver and transmitter
pSSC->SSC_CR = AT91C_SSC_SWRST | AT91C_SSC_RXDIS | AT91C_SSC_TXDIS ;
//* Define the Clock Mode Register
AT91F_SSC_SetBaudrate(pSSC, syst_clock, baud_rate);
//* Write the Receive Clock Mode Register
pSSC->SSC_RCMR = clock_rx;
//* Write the Transmit Clock Mode Register
pSSC->SSC_TCMR = clock_tx;
//* Write the Receive Frame Mode Register
pSSC->SSC_RFMR = mode_rx;
//* Write the Transmit Frame Mode Register
pSSC->SSC_TFMR = mode_tx;
//* Clear Transmit and Receive Counters
AT91F_PDC_Open((AT91PS_PDC) &(pSSC->SSC_RPR));
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SSC_EnableRx
//* \brief Enable receiving datas
//*----------------------------------------------------------------------------
__inline void AT91F_SSC_EnableRx (
AT91PS_SSC pSSC) // \arg pointer to a SSC controller
{
//* Enable receiver
pSSC->SSC_CR = AT91C_SSC_RXEN;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SSC_DisableRx
//* \brief Disable receiving datas
//*----------------------------------------------------------------------------
__inline void AT91F_SSC_DisableRx (
AT91PS_SSC pSSC) // \arg pointer to a SSC controller
{
//* Disable receiver
pSSC->SSC_CR = AT91C_SSC_RXDIS;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SSC_EnableTx
//* \brief Enable sending datas
//*----------------------------------------------------------------------------
__inline void AT91F_SSC_EnableTx (
AT91PS_SSC pSSC) // \arg pointer to a SSC controller
{
//* Enable transmitter
pSSC->SSC_CR = AT91C_SSC_TXEN;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SSC_DisableTx
//* \brief Disable sending datas
//*----------------------------------------------------------------------------
__inline void AT91F_SSC_DisableTx (
AT91PS_SSC pSSC) // \arg pointer to a SSC controller
{
//* Disable transmitter
pSSC->SSC_CR = AT91C_SSC_TXDIS;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SSC_EnableIt
//* \brief Enable SSC IT
//*----------------------------------------------------------------------------
__inline void AT91F_SSC_EnableIt (
AT91PS_SSC pSSC, // \arg pointer to a SSC controller
unsigned int flag) // \arg IT to be enabled
{
//* Write to the IER register
pSSC->SSC_IER = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SSC_DisableIt
//* \brief Disable SSC IT
//*----------------------------------------------------------------------------
__inline void AT91F_SSC_DisableIt (
AT91PS_SSC pSSC, // \arg pointer to a SSC controller
unsigned int flag) // \arg IT to be disabled
{
//* Write to the IDR register
pSSC->SSC_IDR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SSC_ReceiveFrame
//* \brief Return 2 if PDC has been initialized with Buffer and Next Buffer, 1 if PDC has been initialized with Next Buffer, 0 if PDC is busy
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_SSC_ReceiveFrame (
AT91PS_SSC pSSC,
char *pBuffer,
unsigned int szBuffer,
char *pNextBuffer,
unsigned int szNextBuffer )
{
return AT91F_PDC_ReceiveFrame(
(AT91PS_PDC) &(pSSC->SSC_RPR),
pBuffer,
szBuffer,
pNextBuffer,
szNextBuffer);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SSC_SendFrame
//* \brief Return 2 if PDC has been initialized with Buffer and Next Buffer, 1 if PDC has been initialized with Next Buffer, 0 if PDC is busy
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_SSC_SendFrame(
AT91PS_SSC pSSC,
char *pBuffer,
unsigned int szBuffer,
char *pNextBuffer,
unsigned int szNextBuffer )
{
return AT91F_PDC_SendFrame(
(AT91PS_PDC) &(pSSC->SSC_RPR),
pBuffer,
szBuffer,
pNextBuffer,
szNextBuffer);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SSC_GetInterruptMaskStatus
//* \brief Return SSC Interrupt Mask Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_SSC_GetInterruptMaskStatus( // \return SSC Interrupt Mask Status
AT91PS_SSC pSsc) // \arg pointer to a SSC controller
{
return pSsc->SSC_IMR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_SSC_IsInterruptMasked
//* \brief Test if SSC Interrupt is Masked
//*----------------------------------------------------------------------------
__inline int AT91F_SSC_IsInterruptMasked(
AT91PS_SSC pSsc, // \arg pointer to a SSC controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_SSC_GetInterruptMaskStatus(pSsc) & flag);
}
/* *****************************************************************************
SOFTWARE API FOR USART
***************************************************************************** */
//*----------------------------------------------------------------------------
//* \fn AT91F_US_Baudrate
//* \brief Calculate the baudrate
//* Standard Asynchronous Mode : 8 bits , 1 stop , no parity
#define AT91C_US_ASYNC_MODE ( AT91C_US_USMODE_NORMAL + \
AT91C_US_NBSTOP_1_BIT + \
AT91C_US_PAR_NONE + \
AT91C_US_CHRL_8_BITS + \
AT91C_US_CLKS_CLOCK )
//* Standard External Asynchronous Mode : 8 bits , 1 stop , no parity
#define AT91C_US_ASYNC_SCK_MODE ( AT91C_US_USMODE_NORMAL + \
AT91C_US_NBSTOP_1_BIT + \
AT91C_US_PAR_NONE + \
AT91C_US_CHRL_8_BITS + \
AT91C_US_CLKS_EXT )
//* Standard Synchronous Mode : 8 bits , 1 stop , no parity
#define AT91C_US_SYNC_MODE ( AT91C_US_SYNC + \
AT91C_US_USMODE_NORMAL + \
AT91C_US_NBSTOP_1_BIT + \
AT91C_US_PAR_NONE + \
AT91C_US_CHRL_8_BITS + \
AT91C_US_CLKS_CLOCK )
//* SCK used Label
#define AT91C_US_SCK_USED (AT91C_US_CKLO | AT91C_US_CLKS_EXT)
//* Standard ISO T=0 Mode : 8 bits , 1 stop , parity
#define AT91C_US_ISO_READER_MODE ( AT91C_US_USMODE_ISO7816_0 + \
AT91C_US_CLKS_CLOCK +\
AT91C_US_NBSTOP_1_BIT + \
AT91C_US_PAR_EVEN + \
AT91C_US_CHRL_8_BITS + \
AT91C_US_CKLO +\
AT91C_US_OVER)
//* Standard IRDA mode
#define AT91C_US_ASYNC_IRDA_MODE ( AT91C_US_USMODE_IRDA + \
AT91C_US_NBSTOP_1_BIT + \
AT91C_US_PAR_NONE + \
AT91C_US_CHRL_8_BITS + \
AT91C_US_CLKS_CLOCK )
//*----------------------------------------------------------------------------
//* \fn AT91F_US_Baudrate
//* \brief Caluculate baud_value according to the main clock and the baud rate
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_US_Baudrate (
const unsigned int main_clock, // \arg peripheral clock
const unsigned int baud_rate) // \arg UART baudrate
{
unsigned int baud_value = ((main_clock*10)/(baud_rate * 16));
if ((baud_value % 10) >= 5)
baud_value = (baud_value / 10) + 1;
else
baud_value /= 10;
return baud_value;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_US_SetBaudrate
//* \brief Set the baudrate according to the CPU clock
//*----------------------------------------------------------------------------
__inline void AT91F_US_SetBaudrate (
AT91PS_USART pUSART, // \arg pointer to a USART controller
unsigned int mainClock, // \arg peripheral clock
unsigned int speed) // \arg UART baudrate
{
//* Define the baud rate divisor register
pUSART->US_BRGR = AT91F_US_Baudrate(mainClock, speed);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_US_SetTimeguard
//* \brief Set USART timeguard
//*----------------------------------------------------------------------------
__inline void AT91F_US_SetTimeguard (
AT91PS_USART pUSART, // \arg pointer to a USART controller
unsigned int timeguard) // \arg timeguard value
{
//* Write the Timeguard Register
pUSART->US_TTGR = timeguard ;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_US_EnableIt
//* \brief Enable USART IT
//*----------------------------------------------------------------------------
__inline void AT91F_US_EnableIt (
AT91PS_USART pUSART, // \arg pointer to a USART controller
unsigned int flag) // \arg IT to be enabled
{
//* Write to the IER register
pUSART->US_IER = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_US_DisableIt
//* \brief Disable USART IT
//*----------------------------------------------------------------------------
__inline void AT91F_US_DisableIt (
AT91PS_USART pUSART, // \arg pointer to a USART controller
unsigned int flag) // \arg IT to be disabled
{
//* Write to the IER register
pUSART->US_IDR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_US_Configure
//* \brief Configure USART
//*----------------------------------------------------------------------------
__inline void AT91F_US_Configure (
AT91PS_USART pUSART, // \arg pointer to a USART controller
unsigned int mainClock, // \arg peripheral clock
unsigned int mode , // \arg mode Register to be programmed
unsigned int baudRate , // \arg baudrate to be programmed
unsigned int timeguard ) // \arg timeguard to be programmed
{
//* Disable interrupts
pUSART->US_IDR = (unsigned int) -1;
//* Reset receiver and transmitter
pUSART->US_CR = AT91C_US_RSTRX | AT91C_US_RSTTX | AT91C_US_RXDIS | AT91C_US_TXDIS ;
//* Define the baud rate divisor register
AT91F_US_SetBaudrate(pUSART, mainClock, baudRate);
//* Write the Timeguard Register
AT91F_US_SetTimeguard(pUSART, timeguard);
//* Clear Transmit and Receive Counters
AT91F_PDC_Open((AT91PS_PDC) &(pUSART->US_RPR));
//* Define the USART mode
pUSART->US_MR = mode ;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_US_EnableRx
//* \brief Enable receiving characters
//*----------------------------------------------------------------------------
__inline void AT91F_US_EnableRx (
AT91PS_USART pUSART) // \arg pointer to a USART controller
{
//* Enable receiver
pUSART->US_CR = AT91C_US_RXEN;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_US_EnableTx
//* \brief Enable sending characters
//*----------------------------------------------------------------------------
__inline void AT91F_US_EnableTx (
AT91PS_USART pUSART) // \arg pointer to a USART controller
{
//* Enable transmitter
pUSART->US_CR = AT91C_US_TXEN;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_US_ResetRx
//* \brief Reset Receiver and re-enable it
//*---------------------------------------------------------------
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