Mike Moore / mmSPI

SPI library used to communicate with an altera development board attached to four zigbee-header pins.

Diff: mmSPI.cpp

Revision:
33:59e13ec04ea8
Parent:
32:5a5d9525c6c4
--- a/mmSPI.cpp	Mon Aug 26 22:39:44 2013 +0000
+++ b/mmSPI.cpp	Fri Aug 30 20:46:52 2013 +0000
@@ -161,7 +161,7 @@
 //      2            R2
 //      3            R3
 //      4            PC
-//      5         <meta, don't do>
+//      5            IR
 //      6         <nothing>
 //      7         <nothing>
 
@@ -171,8 +171,13 @@
       
       clear_transmit_vector();                  // clear transmit vector.
       
-      pcSend[7] = 0x02;                         // mbed sends a command.
-      
+      switch(cRegister)
+      {
+        case 5 : {pcSend[7] = 0x02; break;}     // write IR-L.
+        case 6 : {pcSend[7] = 0x0A; break;}     // write IR-H.
+        default: {pcSend[7] = 0x02; break;}     // other register writes.
+      }
+            
                                                 // align into instruction word.
       pcSend[1] = ((cRegister & 0x07) << 2) | 0xA0;
       pcSend[0] = cValue & 0xFF;                // immediate value to i.w.