/**
* @brief Deactivates the SPI peripheral.
*
* @param[in] spip pointer to the @p SPIDriver object
*
* @notapi
*/
void spi_lld_stop(SPIDriver *spip) {
/* If in ready state then disables the SPI clock.*/
if (spip->state == SPI_READY) {
/* SPI disable.*/
spip->spi->CR1 = 0;
spip->spi->CR2 = 0;
dmaStreamRelease(spip->dmarx);
dmaStreamRelease(spip->dmatx);
#if STM32_SPI_USE_SPI1
if (&SPID1 == spip)
rccDisableSPI1(FALSE);
#endif
#if STM32_SPI_USE_SPI2
if (&SPID2 == spip)
rccDisableSPI2(FALSE);
#endif
#if STM32_SPI_USE_SPI3
if (&SPID3 == spip)
rccDisableSPI3(FALSE);
#endif
}
}
/**
* @brief Deactivates the I2S peripheral.
*
* @param[in] i2sp pointer to the @p I2SDriver object
*
* @notapi
*/
void i2s_lld_stop(I2SDriver *i2sp) {
/* If in ready state then disables the SPI clock.*/
if (i2sp->state == I2S_READY) {
/* SPI disable.*/
i2sp->spi->CR2 = 0;
if (NULL != i2sp->dmarx)
dmaStreamRelease(i2sp->dmarx);
if (NULL != i2sp->dmatx)
dmaStreamRelease(i2sp->dmatx);
#if STM32_I2S_USE_SPI2
if (&I2SD2 == i2sp)
rccDisableSPI2(FALSE);
#endif
#if STM32_I2S_USE_SPI3
if (&I2SD3 == i2sp)
rccDisableSPI3(FALSE);
#endif
}
}
