mbed library sources. Supersedes mbed-src.
Fork of mbed-dev by
Diff: targets/TARGET_NORDIC/TARGET_NRF5/spi_api.c
- Revision:
- 167:e84263d55307
- Parent:
- 165:e614a9f1c9e2
- Child:
- 169:e3b6fe271b81
--- a/targets/TARGET_NORDIC/TARGET_NRF5/spi_api.c Thu Jun 08 15:02:37 2017 +0100 +++ b/targets/TARGET_NORDIC/TARGET_NRF5/spi_api.c Wed Jun 21 17:46:44 2017 +0100 @@ -141,11 +141,13 @@ if (p_event->type == NRF_DRV_SPI_EVENT_DONE) { p_spi_info->flag.busy = false; +#if DEVICE_SPI_ASYNCH if (p_spi_info->handler) { void (*handler)(void) = (void (*)(void))p_spi_info->handler; p_spi_info->handler = 0; handler(); } +#endif } } #define MASTER_EVENT_HANDLER(idx) \ @@ -485,6 +487,20 @@ return p_spi_info->rx_buf; } +int spi_master_block_write(spi_t *obj, const char *tx_buffer, int tx_length, char *rx_buffer, int rx_length) { + int total = (tx_length > rx_length) ? tx_length : rx_length; + + for (int i = 0; i < total; i++) { + char out = (i < tx_length) ? tx_buffer[i] : 0xff; + char in = spi_master_write(obj, out); + if (i < rx_length) { + rx_buffer[i] = in; + } + } + + return total; +} + int spi_slave_receive(spi_t *obj) { spi_info_t *p_spi_info = SPI_INFO(obj);