Diff: utils.cpp

Revision:

0:c0f34d23943d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/utils.cpp	Sat Jan 23 00:14:37 2016 +0000
@@ -0,0 +1,46 @@
+/**
+* Useful utils
+*/
+#include "mbed.h"
+#include "pinmap.h"
+#include "utils.h"
+
+DigitalOut ledError(LED_RED,ledOFF);
+/**
+* turns SPI on for Nrf
+*/
+void spiNrf()
+{
+    //sd.deselect();
+    pin_function(PTE1, 1);  //pin function 1 is GPIO
+    pin_function(PTD7, 7); //Set SD_MISO as SPI, this is the same as the last number in those tables
+}
+
+/**
+* Turns SPI on for SD card
+*/
+void spiSD()
+{
+    //sd.select();
+    pin_function(PTE1 , 7);  //Set SD_MISO as SPI, this is the same as the last number in those tables
+    pin_function(PTD7, 1); //pin function 1 is GPIO
+}
+
+/**
+* Flashes the red led and writes error message to stdout for ever.
+*/
+void writeError( char *msg ){
+ 
+    while (1){
+        ledError = ledON;
+        printf("ERROR: %s\n\r",msg);
+        wait (0.1);
+        ledError = ledOFF;
+        wait (0.5);
+          ledError = ledON;
+        wait (0.2);
+        ledError = ledOFF;
+        wait (3.9);
+    }
+    
+}
\ No newline at end of file