Paulo Bruckmann / BurstSPI

Added support for STM32F103RB

Files at this revision

API Documentation at this revision

Revision 14:8872ab64789c, committed 2020-04-24

Comitter:
peekpt
Date:
Fri Apr 24 11:09:03 2020 +0000
Parent:
13:bc069279eb37
Commit message:
Added support for STM32F103RB

Changed in this revision

BurstSPI_STMF103RB.cpp Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BurstSPI_STMF103RB.cpp	Fri Apr 24 11:09:03 2020 +0000
@@ -0,0 +1,25 @@
+#if defined(TARGET_STM32F103RB)
+#include "BurstSPI.h"
+
+void BurstSPI::fastWrite(int data)
+{
+    SPI_TypeDef *spi = (SPI_TypeDef *)(_peripheral->spi.spi.handle.Instance);
+    // Check if data is transmitted
+    while ((spi->SR & SPI_SR_TXE) == 0);
+    spi->DR = data;
+}
+
+void BurstSPI::clearRX(void)
+{
+    const SPI_TypeDef *spi =
+        (SPI_TypeDef *)(_peripheral->spi.spi.handle.Instance);
+    while (spi->SR & SPI_SR_BSY) {
+        // Check RX buffer readable
+        while ((spi->SR & SPI_SR_RXNE) == 0)
+            ;
+        int dummy = spi->DR;
+        (void)dummy; // suppress UNUSED warning
+    }
+}
+
+#endif
\ No newline at end of file