#include "platform.h"
#include "command.h"
-#include "jtag.h"
+#include "jtag430.h"
+//! 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);
+
+// 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"
+};
unsigned int jtag430mode=MSP430X2MODE;
//! Release the CPU
void jtag430_releasecpu(){
CLRTCLK;
+ //debugstr("Releasing target MSP430.");
+
+ /*
jtag_ir_shift8(IR_CNTRL_SIG_16BIT);
- jtag_dr_shift16(0x2401);
- jtag_ir_shift8(IR_ADDR_CAPTURE);
+ jtag_dr_shift16(0x2C01); //Apply reset.
+ jtag_dr_shift16(0x2401); //Release reset.
+ */
+ jtag_ir_shift8(IR_CNTRL_SIG_RELEASE);
SETTCLK;
}
jtag430_writemem(0x012A, 0xA540);
//FCTL3=0xA500, should be 0xA540 for Info Seg A on 2xx chips.
jtag430_writemem(0x012C, 0xA500); //all but info flash.
+ //if(jtag430_readmem(0x012C));
//Write the word itself.
jtag430_writeflashword(adr,data);
//! Handles classic MSP430 JTAG commands. Forwards others to JTAG.
-void jtag430handle(unsigned char app,
- unsigned char verb,
- unsigned long len){
- unsigned long at;
+void jtag430_handle_fn(uint8_t const app,
+ uint8_t const verb,
+ uint32_t const len)
+{
+ unsigned long at, l;
unsigned int i, val;
- //debugstr("Classic MSP430 handler.");
-
/* FIXME
* Sometimes JTAG doesn't init correctly.
* for testing server.
*/
while((i=jtag430_readmem(0xff0))==0xFFFF){
+ debugstr("Reconnecting to target MSP430.");
jtag430_start();
- P1OUT^=1;
+ PLEDOUT^=PLEDPIN;
}
- P1OUT&=~1;
+ PLEDOUT&=~PLEDPIN;
switch(verb){
//Fetch large blocks for bulk fetches,
//small blocks for individual peeks.
if(len>5)
- len=(cmddataword[2]);//always even.
+ l=(cmddataword[2]);//always even.
else
- len=2;
- len&=~1;//clear lsbit
+ l=2;
+ l&=~1;//clear lsbit
- txhead(app,verb,len);
- for(i=0;i<len;i+=2){
+ txhead(app,verb,l);
+ for(i = 0; i < l; i += 2) {
jtag430_resettap();
val=jtag430_readmem(at);
txdata(app,verb,0);
break;
case JTAG430_ERASEINFO:
- jtag430_eraseflash(ERASE_MASS,0xFFFE,0x3000,1);
+ jtag430_eraseflash(ERASE_SGMT,0x1000,0x3000,1);
txdata(app,verb,0);
break;
case JTAG430_SETPC:
jtag430_haltcpu();
+ //debughex("Setting PC.");
+ //debughex(cmddataword[0]);
jtag430_setpc(cmddataword[0]);
+ jtag430_releasecpu();
txdata(app,verb,0);
break;
case JTAG430_SETREG:
break;
default:
- jtaghandle(app,verb,len);
+ (*(jtag_app.handle))(app,verb,len);
}
//jtag430_resettap(); //DO NOT UNCOMMENT
}