Diff: BurstSPI.cpp

Revision:

0:600eecd89a78

diff -r 000000000000 -r 600eecd89a78 BurstSPI.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BurstSPI.cpp	Thu Jan 03 09:14:10 2013 +0000
@@ -0,0 +1,28 @@
+#include "BurstSPI.h"
+
+BurstSPI::BurstSPI(PinName mosi, PinName miso, PinName sclk) : SPI(mosi, miso, sclk){
+
+}
+
+
+void BurstSPI::fastWrite(int data) {
+    //Wait until FIFO has space
+    while(((_spi.spi->SR) & 0x02) == 0);
+    
+    //transmit data
+    _spi.spi->DR = data;
+    }
+
+void BurstSPI::setFormat( void ) {
+    format(_bits, _mode);
+    frequency(_hz);
+    }
+
+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;
+        }
+}
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