#include "platform.h"
#include "command.h"
-#include "jtag.h"
+#include "jtag430.h"
+#include "jtag430x2.h"
+
+void jtag430x2_handle_fn( uint8_t const app,
+ 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"
+};
+
unsigned char jtagid;
SETTCLK;
//init state
}else{
- while(1) P1OUT^=1; //loop if locked up
+ while(1) PLEDOUT^=PLEDPIN; //loop if locked up
}
}
//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
- }
+
+ //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
//! Handles MSP430X2 JTAG commands. Forwards others to JTAG.
-void jtag430x2handle(unsigned char app,
- unsigned char verb,
- unsigned long len){
+void jtag430x2_handle_fn( uint8_t const app,
+ uint8_t const verb,
+ uint32_t const len)
+{
register char blocks;
unsigned int i,val;
- unsigned long at;
+ unsigned long at, l;
//jtag430_resettap();
if(verb!=START && jtag430mode==MSP430MODE){
- jtag430handle(app,verb,len);
+ (*(jtag430_app.handle))(app,verb,len);
return;
}
//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();
jtag430mode=MSP430X2MODE;
drwidth=20;
}else{
+ debugstr("JTAG version unknown.");
txdata(app,NOK,1);
return;
}
blocks=(len>4?cmddata[4]:1);
at=cmddatalong[0];
- len=0x80;
- txhead(app,verb,len);
+ l=0x80;
+ txhead(app,verb,l);
while(blocks--){
- for(i=0;i<len;i+=2){
+ for(i=0;i<l;i+=2){
jtag430_resettap();
delay(10);
cmddatalong[0]=jtag430_deviceid();
txdata(app,verb,4);
break;
-
+ case JTAG430_WRITEFLASH:
case JTAG430_WRITEMEM:
case POKE:
jtag430x2_writemem(cmddatalong[0],
case JTAG430_HALTCPU:
case JTAG430_RELEASECPU:
case JTAG430_SETINSTRFETCH:
- case JTAG430_WRITEFLASH:
+
case JTAG430_ERASEFLASH:
case JTAG430_SETPC:
+ debugstr("This function is not yet implemented for MSP430X2.");
+ debughex(verb);
txdata(app,NOK,0);
break;
default:
- jtaghandle(app,verb,len);
+ (*(jtag_app.handle))(app,verb,len);
}
jtag430_resettap();
}
+