Diff: targets/TARGET_STM/stm_spi_api.c

Revision:

186:707f6e361f3e

Parent:

181:57724642e740

Child:

187:0387e8f68319

diff -r 08ed48f1de7f -r 707f6e361f3e targets/TARGET_STM/stm_spi_api.c
--- a/targets/TARGET_STM/stm_spi_api.c	Thu Apr 19 17:12:19 2018 +0100
+++ b/targets/TARGET_STM/stm_spi_api.c	Fri Jun 22 16:45:37 2018 +0100
@@ -67,6 +67,10 @@
 /* Consider 10ms as the default timeout for sending/receving 1 byte */
 #define TIMEOUT_1_BYTE 10
 
+#if defined(SPI_FLAG_FRLVL) // STM32F0 STM32F3 STM32F7 STM32L4
+extern HAL_StatusTypeDef HAL_SPIEx_FlushRxFifo(SPI_HandleTypeDef *hspi);
+#endif
+
 void init_spi(spi_t *obj)
 {
     struct spi_s *spiobj = SPI_S(obj);
@@ -159,6 +163,7 @@
     spiobj->pin_ssel = ssel;
     if (ssel != NC) {
         pinmap_pinout(ssel, PinMap_SPI_SSEL);
+        handle->Init.NSS = SPI_NSS_HARD_OUTPUT;
     } else {
         handle->Init.NSS = SPI_NSS_SOFT;
     }