X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Fapps%2Fjtag%2Fjtag.c;h=d9193e895fa5dd9c95249b66f76653e66595efd5;hp=97db51bb408d78218da050a03835ea7e1a513b2c;hb=b1ae86eaae79309b8993c505d85b915dcac546b9;hpb=33c548994df07e43f25464b7d3f24642e9142a99

diff --git a/firmware/apps/jtag/jtag.c b/firmware/apps/jtag/jtag.c
index 97db51b..d9193e8 100644
--- a/firmware/apps/jtag/jtag.c
+++ b/firmware/apps/jtag/jtag.c
@@ -103,7 +103,7 @@ void jtag_stop(){
   P4OUT=0;
 }
 
-unsigned int drwidth=20;
+unsigned int drwidth=16;
 //! Shift all bits of the DR.
 unsigned long jtag_dr_shift20(unsigned long in){
   // idle
@@ -135,6 +135,26 @@ unsigned int jtag_dr_shift16(unsigned int in){
   return(jtagtransn(in,16));
 }
 
+//! Shift native width of the DR
+unsigned long jtag_dr_shiftadr(unsigned long in){
+  unsigned long out=0;
+  
+  // idle
+  SETTMS;
+  TCKTOCK;
+  // select DR
+  CLRTMS;
+  TCKTOCK;
+  // capture IR
+  TCKTOCK;
+
+  
+  out=jtagtransn(in,drwidth);
+  
+  // shift DR, then idle
+  return(out);
+}
+
 
 //! Shift 8 bits of the IR.
 unsigned char jtag_ir_shift8(unsigned char in){