Some bits of Spy-Bi-Wire support, thanks to Mark Rages. (Not yet complete.)

[goodfet] / firmware / apps / jtag / jtag430.c

diff --git a/firmware/apps/jtag/jtag430.c b/firmware/apps/jtag/jtag430.c
index 35874a8..7bfcba6 100644 (file)
--- a/firmware/apps/jtag/jtag430.c
+++ b/firmware/apps/jtag/jtag430.c
@@ -238,7 +238,8 @@ void jtag430_start(){
   SETTST;
   SETRST;
   delay(0xFFFF);
-  
+
+  #ifndef SBWREWRITE
   //Entry sequence from Page 67 of SLAU265A for 4-wire MSP430 JTAG
   CLRRST;
   delay(100); //100
@@ -249,6 +250,7 @@ void jtag430_start(){
   SETRST;
   P5DIR&=~RST;
   delay(0xFFFF);
+  #endif
   
   //Perform a reset and disable watchdog.
   jtag430_por();
@@ -322,7 +324,9 @@ void jtag430handle(unsigned char app,
     //TAP setup, fuse check
     jtag430_resettap();
     
-    txdata(app,verb,0);
+    cmddata[0]=jtag_ir_shift8(IR_BYPASS);    
+    txdata(app,verb,1);
+
     break;
   case STOP:
     jtag430_stop();