Major JTAG430 and JTAG430X2 patching.

[goodfet] / firmware / apps / jtag / jtag430x2.c

diff --git a/firmware/apps/jtag/jtag430x2.c b/firmware/apps/jtag/jtag430x2.c
index d671da4..265dae0 100644 (file)
--- a/firmware/apps/jtag/jtag430x2.c
+++ b/firmware/apps/jtag/jtag430x2.c
@@ -198,7 +198,27 @@ void jtag430x2_handle_fn( uint8_t const app,
     
     //MSP430 or MSP430X
     if(jtagid==MSP430JTAGID){ 
     
     //MSP430 or MSP430X
     if(jtagid==MSP430JTAGID){ 

-      debugstr("ERROR, using JTAG430X2 instead of JTAG430!");
+      //debugstr("ERROR, using JTAG430X2 instead of JTAG430!");
+      jtag430mode=MSP430MODE;
+      
+      /* So the way this works is that a width of 20 does some
+        backward-compatibility finagling, causing the correct value
+        to be exchanged for addresses on 16-bit chips as well as the
+        new MSP430X chips.  (This has only been verified on the
+        MSP430F2xx family.  TODO verify for others.)
+      */
+      
+      drwidth=20;
+      
+      //Perform a reset and disable watchdog.
+      jtag430_por();
+      jtag430_writemem(0x120,0x5a80);//disable watchdog
+      
+      jtag430_haltcpu();
+      
+      jtag430_resettap();
+      txdata(app,verb,1);
+      

       return;
     }else if(jtagid==MSP430X2JTAGID){
       jtag430mode=MSP430X2MODE;
       return;
     }else if(jtagid==MSP430X2JTAGID){
       jtag430mode=MSP430X2MODE;