ao_spi_run(id, 3, len);
}
+void
+ao_spi_start_bytes(uint8_t spi_index)
+{
+ uint8_t id = AO_SPI_INDEX(spi_index);
+ struct stm_spi *stm_spi = ao_spi_stm_info[id].stm_spi;
+
+ stm_spi->cr2 = ((0 << STM_SPI_CR2_TXEIE) |
+ (0 << STM_SPI_CR2_RXNEIE) |
+ (0 << STM_SPI_CR2_ERRIE) |
+ (0 << STM_SPI_CR2_SSOE) |
+ (0 << STM_SPI_CR2_TXDMAEN) |
+ (0 << STM_SPI_CR2_RXDMAEN));
+ validate_spi(stm_spi, 5, 0xffff);
+}
+
+void
+ao_spi_stop_bytes(uint8_t spi_index)
+{
+ uint8_t id = AO_SPI_INDEX(spi_index);
+ struct stm_spi *stm_spi = ao_spi_stm_info[id].stm_spi;
+
+ while ((stm_spi->sr & (1 << STM_SPI_SR_TXE)) == 0)
+ ;
+ while (stm_spi->sr & (1 << STM_SPI_SR_BSY))
+ ;
+ /* Clear the OVR flag */
+ (void) stm_spi->dr;
+ (void) stm_spi->sr;
+ validate_spi(stm_spi, 6, 0xffff);
+ stm_spi->cr2 = 0;
+}
+
void
ao_spi_send_sync(const void *block, uint16_t len, uint8_t spi_index)
{