Johannes Stratmann
Fast SPI write, added LPC812 Target
Diff: BurstSPI_LPC_X.cpp
- Revision:
- 9:b69faea5252c
- Child:
- 14:83e3b8ba3f43
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/BurstSPI_LPC_X.cpp Tue Oct 07 09:00:51 2014 +0000
@@ -0,0 +1,20 @@
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC1114) || defined(TARGET_LPC11U24) || defined(TARGET_LPC13XX)
+#include "BurstSPI.h"
+
+void BurstSPI::fastWrite(int data) {
+ //Wait until FIFO has space
+ while(((_spi.spi->SR) & 0x02) == 0);
+
+ //transmit data
+ _spi.spi->DR = data;
+ }
+
+void BurstSPI::clearRX( void ) {
+ //Do it while either data in RX buffer, or while it is busy
+ while(((_spi.spi->SR) & ((1<<4) + (1<<2))) != 0) {
+ //Wait until data in RX buffer
+ while(((_spi.spi->SR) & (1<<2)) == 0);
+ int dummy = _spi.spi->DR;
+ }
+}
+#endif
\ No newline at end of file