static uint8_t spi_dev_null;
void
-ao_spi_send(void *block, uint16_t len, uint8_t spi_index)
+ao_spi_send(const void *block, uint16_t len, uint8_t spi_index)
{
struct stm_spi *stm_spi = ao_spi_stm_info[AO_SPI_INDEX(spi_index)].stm_spi;
uint8_t mosi_dma_index = ao_spi_stm_info[AO_SPI_INDEX(spi_index)].mosi_dma_index;
/* Set up the transmit DMA to deliver data */
ao_dma_set_transfer(mosi_dma_index,
&stm_spi->dr,
- block,
+ (void *) block,
len,
(0 << STM_DMA_CCR_MEM2MEM) |
(STM_DMA_CCR_PL_MEDIUM << STM_DMA_CCR_PL) |