mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

Revision:
181:57724642e740
Parent:
179:b0033dcd6934
Child:
186:707f6e361f3e
--- a/targets/TARGET_STM/stm_spi_api.c	Wed Jan 17 15:23:54 2018 +0000
+++ b/targets/TARGET_STM/stm_spi_api.c	Fri Feb 16 16:09:33 2018 +0000
@@ -526,6 +526,11 @@
     NVIC_SetPriority(irq_n, 1);
     NVIC_EnableIRQ(irq_n);
 
+    // flush FIFO
+#if defined(SPI_FLAG_FRLVL) // STM32F0 STM32F3 STM32F7 STM32L4
+    HAL_SPIEx_FlushRxFifo(handle);
+#endif
+
     // enable the right hal transfer
     int rc = 0;
     switch(transfer_type) {