Akafugu
BurstSPI fork
Diff: BurstSPI_LPC_1549.cpp
- Revision:
- 13:36ac5fd058dd
- Child:
- 14:c99022511536
diff -r 6ed1d9f1ef37 -r 36ac5fd058dd BurstSPI_LPC_1549.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/BurstSPI_LPC_1549.cpp Fri Apr 03 06:02:58 2015 +0000
@@ -0,0 +1,21 @@
+#if defined(TARGET_LPC1549)
+#include "BurstSPI.h"
+
+void BurstSPI::fastWrite(int data) {
+ while (!(_spi.spi->STAT & (1 << 1)));
+
+ _spi.spi->TXDAT = (data & 0xffff);
+ // end of transfer
+ _spi.spi->TXCTL |= ((1 << 20) | (1 << 22));
+}
+
+void BurstSPI::clearRX( void ) {
+ //Do it while either data in RX buffer, or while it is busy
+ while((_spi.spi->STAT & ((1 << 2) + (1 << 0))) != 0) {
+ //Wait until data in RX buffer
+ while((_spi.spi->STAT & (1 << 2)) == 0);
+ int dummy = _spi.spi->RXDAT & 0xffff;
+ }
+}
+
+#endif
\ No newline at end of file