#include "jtag430x2.h"
void jtag430x2_handle_fn( uint8_t const app,
- uint8_t const verb,
- uint32_t const len);
+ uint8_t const verb,
+ uint32_t const len);
// define the jtag430x2 app's app_t
app_t const jtag430x2_app = {
-
- /* app number */
- JTAG430X2,
-
- /* handle fn */
- jtag430x2_handle_fn,
-
- /* name */
- "JTAG430X2",
-
- /* desc */
- "\tThe JTAG430X2 app extends the basic JTAG app with support\n"
- "\tfor 20-bit MSP430 devices.\n"
+ /* app number */
+ JTAG430X2,
+
+ /* handle fn */
+ jtag430x2_handle_fn,
+
+ /* name */
+ "JTAG430X2",
+
+ /* desc */
+ "\tThe JTAG430X2 app extends the basic JTAG app with support\n"
+ "\tfor 20-bit MSP430X2 devices, such as the MSP430F5xx Family.\n"
};
//unsigned int tries=5;
while(1){
- //do{
- jtag_ir_shift8(IR_CNTRL_SIG_CAPTURE);
- //}while(!(jtag_dr_shift16(0) & 0x0301));
+ do{
+ jtag_ir_shift8(IR_CNTRL_SIG_CAPTURE);
+ }while(!(jtag_dr_shift16(0) & 0x0301));
if(jtag_dr_shift16(0) & 0x0301){
// Read Memory
CLRTCLK;
jtag_ir_shift8(IR_CNTRL_SIG_16BIT);
- //if(adr>=0x100){
jtag_dr_shift16(0x0501);//word read
- //}else{
- //jtag_dr_shift16(0x0511);//byte read
- //}
jtag_ir_shift8(IR_ADDR_16BIT);
jtag_dr_shift20(adr); //20
SETTCLK;
return toret;
}
+
+ return 0xdead;
}
//return toret;
}
unsigned int jtag430x2_syncpor(){
jtag_ir_shift8(IR_CNTRL_SIG_16BIT);
jtag_dr_shift16(0x1501); //JTAG mode
- while(!(jtag_dr_shift16(0) & 0x200));
+ while(!(jtag_dr_shift16(0) & 0x200)); //0x100 or 0x200?
return jtag430x2_por();
}
//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;
}
+
+
jtag430x2_fusecheck();
jtag430x2_syncpor();