Diff: BurstSPI_M480.cpp

Revision:

15:4ec06ff45f56

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BurstSPI_M480.cpp	Thu Feb 06 06:55:22 2020 +0000
@@ -0,0 +1,24 @@
+#ifdef TARGET_M480
+#include "BurstSPI.h"
+
+void BurstSPI::fastWrite(int data) {
+    //Wait until FIFO has space
+//    SPI_T *spi_base = (SPI_T *) NU_MODBASE(_peripheral->spi.spi.spi);
+#if 1
+    write(data);
+#else
+    spi_master_write(&(_peripheral->spi), data);
+#endif
+    }
+
+void BurstSPI::clearRX( void ) {
+    //We put in a delay here, this function shouldn't be called very often, so not a huge problem
+    //Without delay you will rise the CS line before it is finished (been there, done that)
+    //We use time required to transmit 20 bits (8 bits being transmitted, 8 bits in FIFO, 4 bits safety margin
+    
+    float bytetime = 20.0/_hz;
+    wait(bytetime);    
+    //Wait until status is flagged that we can read, read:
+//    SPI_T *spi_base = (SPI_T *) NU_MODBASE(_peripheral->spi.spi.spi);
+}
+#endif