// define the jtag430 app's app_t
app_t const jtag430_app = {
-
- /* app number */
- JTAG430,
-
- /* handle fn */
- jtag430_handle_fn,
-
- /* name */
- "JTAG430",
-
- /* desc */
- "\tThe JTAG430 app adds to the basic JTAG app\n"
- "\tsupport for JTAG'ing MSP430 devices.\n"
+ /* app number */
+ JTAG430,
+
+ /* handle fn */
+ jtag430_handle_fn,
+
+ /* name */
+ "JTAG430",
+
+ /* desc */
+ "\tThe JTAG430 app adds to the basic JTAG app\n"
+ "\tsupport for JTAG'ing MSP430 devices.\n"
};
unsigned int jtag430mode=MSP430X2MODE;
//! Power-On Reset
void jtag430_por(){
- unsigned int jtagid;
-
// Perform Reset
jtag_ir_shift8(IR_CNTRL_SIG_16BIT);
jtag_dr_shift16(0x2C01); // apply
}
-unsigned char jtagid;
//! Get the JTAG ID
unsigned char jtag430x2_jtagid(){
}
}
-//! Grab the core ID.
-unsigned int jtag430_coreid(){
- jtag_ir_shift8(IR_COREIP_ID);
- return jtag_dr_shift16(0);
-}
-
-//! Grab the device ID.
-unsigned long jtag430_deviceid(){
- jtag_ir_shift8(IR_DEVICE_ID);
- return jtag_dr_shift20(0);
-}
//! Handles classic MSP430 JTAG commands. Forwards others to JTAG.
void jtag430_handle_fn(uint8_t const app,
- uint8_t const verb,
- uint32_t const len)
+ uint8_t const verb,
+ uint32_t const len)
{
unsigned long at, l;
unsigned int i, val;
* chip ID cannot be read. Should print warning
* for testing server.
*/
- while((i=jtag430_readmem(0xff0))==0xFFFF){
- debugstr("Reconnecting to target MSP430.");
- jtag430x2_start();
- PLEDOUT^=PLEDPIN;
- }
+ if (jtagid!=0)
+ while((i=jtag430_readmem(0xff0))==0xFFFF){
+ debugstr("Reconnecting to target MSP430.");
+ jtag430x2_start();
+ PLEDOUT^=PLEDPIN;
+ }
PLEDOUT&=~PLEDPIN;
switch(verb){
case START:
- /* old method, classic MSP430.
- //Enter JTAG mode.
- jtag430x2_start();
- //TAP setup, fuse check
- jtag430_resettap();
+ debugstr("Using JTAG430 (instead of JTAG430X2)!");
- cmddata[0]=jtag_ir_shift8(IR_BYPASS);
- txdata(app,verb,1);
- */
jtag430x2_start();
cmddata[0]=jtagid;
cmddataword[0]=jtag430_readmem(cmddataword[0]);
txdata(app,verb,2);
break;
- /*
- case JTAG430_WRITEFLASH:
-
- //debugstr("Poking flash memory.");
- jtag430_writeflash(cmddataword[0],cmddataword[2]);
-
- //Try again if failure.
- //if(cmddataword[2]!=jtag430_readmem(cmddataword[0]))
- // jtag430_writeflash(cmddataword[0],cmddataword[2]);
-
- //Return result.
- cmddataword[0]=jtag430_readmem(cmddataword[0]);
-
- txdata(app,verb,2);
- break; */
case JTAG430_WRITEFLASH:
at=cmddataword[0];
txdata(app,verb,2);
break;
case JTAG430_COREIP_ID:
- cmddataword[0]=jtag430_coreid();
+ //cmddataword[0]=jtag430_coreid();
+ cmddataword[0]=0xdead;
txdata(app,verb,2);
break;
case JTAG430_DEVICE_ID:
- cmddatalong[0]=jtag430_deviceid();
+ //cmddatalong[0]=jtag430_deviceid();
+ cmddataword[0]=0xdead;
+ cmddataword[1]=0xbeef;
txdata(app,verb,4);
break;
default: