Diff: BurstSPI_Nucleo_F411RE.cpp

Revision:

11:9d43f61b3184

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BurstSPI_Nucleo_F411RE.cpp	Fri Dec 05 06:35:12 2014 +0000
@@ -0,0 +1,27 @@
+/*
+    Only tested with a Ili9341 TFT on a Nucleo F411RE board.
+    -James Kidd
+*/ 
+
+/* BurstSPI_NUCLEO_F411RE.cpp */
+#ifdef TARGET_NUCLEO_F411RE
+#include "BurstSPI.h"
+
+static SPI_HandleTypeDef SpiHandle;
+
+void BurstSPI::fastWrite(int data) {
+    SpiHandle.Instance = (SPI_TypeDef *)(_spi.spi);
+    while (!((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_TXE) != RESET) ? 1 : 0));
+    SpiHandle.Instance->DR =(uint16_t)data;
+    }
+    
+void BurstSPI::clearRX( void ) {
+    SpiHandle.Instance = (SPI_TypeDef *)(_spi.spi);
+    //wait till SPI is not busy
+    while(__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_BSY) != RESET);    
+    //Loop while data in RX, may not be needed     
+    while(__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_RXNE) != RESET){
+        int dummy = SpiHandle.Instance->DR;
+    }
+}
+#endif