Diff: BurstSPI_LPC_8XX.cpp

Revision:

14:83e3b8ba3f43

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BurstSPI_LPC_8XX.cpp	Sun Oct 09 16:48:17 2016 +0000
@@ -0,0 +1,23 @@
+#if (defined(TARGET_LPC81X))
+#include "BurstSPI.h"
+
+void BurstSPI::fastWrite(int data) {
+    while (!(_spi.spi->STAT & (1 << 1)));
+
+    _spi.spi->TXDAT = (data & 0xffff);
+#ifndef NO_EOT_AFTER_WRITE
+    // set EOT and receive ignore flag
+    _spi.spi->TXDATCTL |= ((1 << 20) | (1 << 22));
+#else
+    // EOT Flag disables SPI and sets MOSI level high. 
+    // This is bad for cases where MOSI is used to generate NRZ signals like in wsLib for WS2812 LED
+    // set receive ignore flag
+    _spi.spi->TXDATCTL |= (1 << 22);
+#endif
+}
+
+void BurstSPI::clearRX( void ) {
+    //We already set receive ignore flag, so this function is never run.
+}
+
+#endif
\ No newline at end of file