Paulo Bruckmann
/
BurstSPI
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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