Support for debugging strings, closer to a clean MSP430X2 implementation.

[goodfet] / firmware / lib / command.c

diff --git a/firmware/lib/command.c b/firmware/lib/command.c
index 08a5cf7..c5e35b5 100644 (file)
--- a/firmware/lib/command.c
+++ b/firmware/lib/command.c
@@ -6,6 +6,7 @@
 
 unsigned char cmddata[256];
 
+
 //! Transmit a string.
 void txstring(unsigned char app,
              unsigned char verb,
@@ -18,6 +19,12 @@ void txstring(unsigned char app,
     serial_tx(*(str++));
 }
 
+//! Transmits a debugging string out of line.
+void debugstr(const char *str){
+  txstring(0xFF,0xFF,str);
+}
+
+
 //! Transmit data.
 void txdata(unsigned char app,
            unsigned char verb,
@@ -31,8 +38,21 @@ void txdata(unsigned char app,
   }
 }
 
+//Be very careful changing delay().
+//It was chosen poorly by trial and error.
+
 //! Delay for a count.
 void delay(unsigned int count){
   volatile unsigned int i=count;
   while(i--) asm("nop");
 }
+//! MSDelay
+void msdelay(unsigned int ms){
+  volatile unsigned int i,j;
+  i=100;
+  while(i--){
+    j=ms;
+    while(j--) asm("nop");
+  }
+  //Using TimerA might be cleaner.
+}