Jean-Louis VERN / FastSPI

je ne sais plus

Diff: BurstSPI_LPC_X.cpp

Revision:
0:3787bbf77ca8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BurstSPI_LPC_X.cpp	Wed Jun 17 13:49:54 2015 +0000
@@ -0,0 +1,20 @@
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC1114) || defined(TARGET_LPC11U24) || defined(TARGET_LPC13XX)
+#include "FastSPI.h"
+
+void FastSPI::fastWrite(int data) {
+    //Wait until FIFO has space
+    while(((_spi.spi->SR) & 0x02) == 0);
+    
+    //transmit data
+    _spi.spi->DR = data;
+    }
+
+void FastSPI::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