X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Fapps%2Fjtag%2Fjtag430x2.c;h=f499de2ce47a7f98dc08faaeb36a53d35460a5b6;hp=ad2801fa10c9c4d0cba46eb4b0379ccd99897619;hb=5c029aa0c4f7573d9fa49beefe6e887dee2b25f9;hpb=49a1632a34edd4744b1b798b152dfa4101bcd393

diff --git a/firmware/apps/jtag/jtag430x2.c b/firmware/apps/jtag/jtag430x2.c
index ad2801f..f499de2 100644
--- a/firmware/apps/jtag/jtag430x2.c
+++ b/firmware/apps/jtag/jtag430x2.c
@@ -209,7 +209,15 @@ void jtag430x2handle(unsigned char app,
     //MSP430 or MSP430X
     if(jtagid==MSP430JTAGID){ 
       jtag430mode=MSP430MODE;
-      drwidth=16;
+      
+      /* 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();
@@ -224,6 +232,7 @@ void jtag430x2handle(unsigned char app,
       jtag430mode=MSP430X2MODE;
       drwidth=20;
     }else{
+      debugstr("JTAG version unknown.");
       txdata(app,NOK,1);
       return;
     }