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

Revision:
35:6152c9709697
Parent:
34:d5553509f31a
--- a/mmSPI.h	Sat Aug 31 02:19:42 2013 +0000
+++ b/mmSPI.h	Sun Sep 01 02:29:08 2013 +0000
@@ -4,12 +4,18 @@
     student   : m-moore
     email     : gated.clock@gmail.com
     class     : usb device drivers
-    directory : mmSPI
+    directory : USB_device_project/mmSPI
     file      : mmSPI.h
     date      : september 3, 2013.
-----description---------------------------------//------------------------------    
+----copyright-----------------------------------//------------------------------   
+    licensed for personal and academic use.
+    commercial use must be approved by the account-holder of
+    gated.clock@gmail.com
+----description---------------------------------//------------------------------  
+    this library provides the low-level SPI data and clock signaling 
+    for communication with the altera development board, via four i/o
+    pins available on the mbed development board's zigbee header.  
 ----notes---------------------------------------//------------------------------ 
-    1. the SPI interface pins are routed to the zigbee header.
 ------------------------------------------------//----------------------------*/
     #include "mbed.h"                           // standard mbed.org class.
 //---defines------------------------------------//------------------------------
@@ -17,9 +23,6 @@
     #define mmSPI_MISO p30                      // SPI interface pin.
     #define mmSPI_SCLK p9                       // SPI interface pin.
     #define mmCPU_CLK  p10                      // soft CPU system clock.
-/*----------------------------------------------//------------------------------  
-------------------------------------------------//----------------------------*/
-
 //==============================================//==============================
     class mmSPI
     {
@@ -38,7 +41,7 @@
         
                                                 // write/read CPU registers.     
         void          write_register(char cRegister, char cValue);
-        void          write_IR(char cValueH, char cValueL);
+        void          write_IR      (char cValueH, char cValueL);
         char          read_register (char cRegister);
         
                                                 // write/read CPU main-memory.