?? at91rm9200_lib.c
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//* \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 TWI
***************************************************************************** */
//*----------------------------------------------------------------------------
//* \fn AT91F_TWI_EnableIt
//* \brief Enable TWI IT
//*----------------------------------------------------------------------------
__inline void AT91F_TWI_EnableIt (
AT91PS_TWI pTWI, // \arg pointer to a TWI controller
unsigned int flag) // \arg IT to be enabled
{
//* Write to the IER register
pTWI->TWI_IER = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_TWI_DisableIt
//* \brief Disable TWI IT
//*----------------------------------------------------------------------------
__inline void AT91F_TWI_DisableIt (
AT91PS_TWI pTWI, // \arg pointer to a TWI controller
unsigned int flag) // \arg IT to be disabled
{
//* Write to the IDR register
pTWI->TWI_IDR = flag;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_TWI_Configure
//* \brief Configure TWI in master mode
//*----------------------------------------------------------------------------
__inline void AT91F_TWI_Configure ( AT91PS_TWI pTWI ) // \arg pointer to a TWI controller
{
//* Disable interrupts
pTWI->TWI_IDR = (unsigned int) -1;
//* Reset peripheral
pTWI->TWI_CR = AT91C_TWI_SWRST;
//* Set Master mode
pTWI->TWI_CR = AT91C_TWI_MSEN | AT91C_TWI_SVDIS;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_TWI_GetInterruptMaskStatus
//* \brief Return TWI Interrupt Mask Status
//*----------------------------------------------------------------------------
__inline unsigned int AT91F_TWI_GetInterruptMaskStatus( // \return TWI Interrupt Mask Status
AT91PS_TWI pTwi) // \arg pointer to a TWI controller
{
return pTwi->TWI_IMR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_TWI_IsInterruptMasked
//* \brief Test if TWI Interrupt is Masked
//*----------------------------------------------------------------------------
__inline int AT91F_TWI_IsInterruptMasked(
AT91PS_TWI pTwi, // \arg pointer to a TWI controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_TWI_GetInterruptMaskStatus(pTwi) & 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
//*----------------------------------------------------------------------------
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
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