/*********************************************************************//**
* @brief Set all pins used as SPIx function corresponding to
* parameter specified in SPIPinCfg.
* @param[in] SPIx SPI peripheral selected, should be SPI
* @param[in] SPIPinCfg Pointer to a SPI_PinCFG_Type structure
* that contains the configuration information for the
* specified SPIx pin function.
* @param[in] spiMode SPI mode, should be:
* - SPI_SLAVE_MODE: SLAVE mode
* - SPI_MASTER_MODE: MASTER mode
* @return None
**********************************************************************/
void SPI_PinConfig(SPI_TypeDef *SPIx, SPI_PinCFG_Type *SPIPinCfg, int32_t spiMode)
{
CHECK_PARAM(PARAM_SPIx(SPIx));
CHECK_PARAM(PARAM_SPI_SCK(SPIPinCfg->SCK_Pin));
CHECK_PARAM(PARAM_SPI_SSEL(SPIPinCfg->SSEL_Pin));
CHECK_PARAM(PARAM_SPI_MISO(SPIPinCfg->MISO_Pin));
CHECK_PARAM(PARAM_SPI_MOSI(SPIPinCfg->MOSI_Pin));
// SCK pin
switch (SPIPinCfg->SCK_Pin)
{
case SPI_SCK_P0_15:
PINSEL_SetPinFunc (PINSEL_PORT_0, SPI_PINSEL_SCK_P0_15, SPI_PINFUNC_SCK_P0_15);
PINSEL_SetResistorMode (PINSEL_PORT_0, SPI_PINSEL_SCK_P0_15, PINSEL_PINMODE_PULLUP);
break;
}
// SSEL pin
switch (SPIPinCfg->SSEL_Pin)
{
case SPI_SSEL_P0_16:
if (spiMode == SPI_SLAVE_MODE)
{
PINSEL_SetPinFunc (PINSEL_PORT_0, SPI_PINSEL_SSEL_P0_16, SPI_PINFUNC_SSEL_P0_16);
PINSEL_SetResistorMode (PINSEL_PORT_0, SPI_PINSEL_SSEL_P0_16, PINSEL_PINMODE_PULLUP);
}
else
{
// Release SSEL pin as default function
PINSEL_SetPinFunc (PINSEL_PORT_0, SPI_PINSEL_SSEL_P0_16, PINSEL_FUNC_0);
PINSEL_SetResistorMode (PINSEL_PORT_0, SPI_PINSEL_SSEL_P0_16, PINSEL_PINMODE_PULLUP);
}
break;
}
// MISO pin
switch (SPIPinCfg->MISO_Pin)
{
case SPI_MISO_P0_17:
PINSEL_SetPinFunc (PINSEL_PORT_0, SPI_PINSEL_MISO_P0_17, SPI_PINFUNC_MISO_P0_17);
PINSEL_SetResistorMode (PINSEL_PORT_0, SPI_PINSEL_MISO_P0_17, PINSEL_PINMODE_PULLUP);
break;
}
// MOSI pin
switch (SPIPinCfg->MOSI_Pin)
{
case SPI_MOSI_P0_18:
PINSEL_SetPinFunc (PINSEL_PORT_0, SPI_PINSEL_MOSI_P0_18, SPI_PINFUNC_MOSI_P0_18);
PINSEL_SetResistorMode (PINSEL_PORT_0, SPI_PINSEL_MOSI_P0_18, PINSEL_PINMODE_PULLUP);
break;
}
}
/*********************************************************************//**
* @brief Configure Pin corresponding to specified parameters passed
* in the PinCfg
* @param[in] PinCfg Pointer to a PINSEL_CFG_Type structure
* that contains the configuration information for the
* specified pin.
* @return None
**********************************************************************/
void PINSEL_ConfigPin(PINSEL_CFG_Type *PinCfg)
{
PINSEL_SetPinFunc(PinCfg->Portnum, PinCfg->Pinnum, PinCfg->Funcnum);
PINSEL_SetResistorMode(PinCfg->Portnum, PinCfg->Pinnum, PinCfg->Pinmode);
PINSEL_SetOpenDrainMode(PinCfg->Portnum, PinCfg->Pinnum, PinCfg->OpenDrain);
}