X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Fgoodfet.c;h=4cddc1976e05877388845dd529016f2b5626c530;hp=a8d5b7a66071e0d85f3f4c1abd20300fe31a2db9;hb=f4a6b415e762bcdc560f3ea655851d16f483ea5a;hpb=c4f077f724f9320a12605271722f61932b4c663c

diff --git a/firmware/goodfet.c b/firmware/goodfet.c
index a8d5b7a..4cddc19 100644
--- a/firmware/goodfet.c
+++ b/firmware/goodfet.c
@@ -1,13 +1,16 @@
-//GOODFET Main File
-//Includes several applications.
+/*! \file goodfet.c
+  \author Travis Goodspeed
+  \brief Main module.
+  
+  This is the main module of the GoodFET, which calls the initialization
+  routines and delegates commands to the various applications.
+*/
+
 
 #include "platform.h"
 #include "command.h"
 #include "apps.h"
 
-#include <signal.h>
-#include <io.h>
-#include <iomacros.h>
 
 
 //LED on P1.0
@@ -15,12 +18,13 @@
 
 //! Initialize registers and all that jazz.
 void init(){
-  volatile unsigned int i;
   WDTCTL = WDTPW + WDTHOLD;                 // Stop watchdog timer
   
-  //LED and TX OUT
+  //LED out and on.
   PLEDDIR |= PLEDPIN;
+  PLEDOUT |= PLEDPIN;
   
+  //Setup clocks, unique to each '430.
   msp430_init_dco();
   msp430_init_uart();
   
@@ -31,7 +35,8 @@ void init(){
 //! Handle a command.
 void handle(unsigned char app,
 	    unsigned char verb,
-	    unsigned char len){
+	    unsigned long len){
+  //debugstr("GoodFET");
   switch(app){
   case MONITOR:
     monitorhandle(app,verb,len);
@@ -39,7 +44,7 @@ void handle(unsigned char app,
   case SPI:
     spihandle(app,verb,len);
     break;
-  case I2C:
+  case I2CAPP:
     i2chandle(app,verb,len);
     break;
   case CHIPCON:
@@ -48,11 +53,15 @@ void handle(unsigned char app,
   case JTAG:
     jtaghandle(app,verb,len);
     break;
-  case JTAG430:
-    jtag430handle(app,verb,len);
+  case JTAG430: //Also JTAG430X, JTAG430X2
+    jtag430x2handle(app,verb,len);
     break;
   default:
+    #ifdef HANDLEOTHER
+    HANDLEOTHER(app,verb,len);
+    #else
     txdata(app,NOK,0);
+    #endif
     break;
   }
 }
@@ -61,25 +70,35 @@ void handle(unsigned char app,
 int main(void)
 {
   volatile unsigned int i;
-  unsigned char app, verb, len;
+  unsigned char app, verb;
+  unsigned long len;
   
   init();
   
-  //Ready
-  txdata(MONITOR,OK,0);
+  txstring(MONITOR,OK,"http://goodfet.sf.net/");
   
   //Command loop.  There's no end!
   while(1){
     //Magic 3
     app=serial_rx();
     verb=serial_rx();
-    len=serial_rx();
+    //len=serial_rx();
+    len=rxword();
     
-    //Read data, if any
-    for(i=0;i<len;i++){
-      cmddata[i]=serial_rx();
+    //Read data, looking for buffer overflow.y
+    if(len<=CMDDATALEN){
+      for(i=0;i<len;i++){
+	cmddata[i]=serial_rx();
+      }
+      handle(app,verb,len);
+    }else{
+      //Listen to the blaberring.
+      for(i-0;i<len;i++)
+	serial_rx();
+      //Reply with an error.
+      debugstr("Buffer length exceeded.");
+      txdata(MONITOR,NOK,0);
     }
-    handle(app,verb,len);
   }
 }