+
+// 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"
+};
+
+
+
+
+//! Write data to address
+void jtag430x2_writemem(unsigned long adr,
+ unsigned int data){
+ jtag_ir_shift8(IR_CNTRL_SIG_CAPTURE);
+ if(jtag_dr_shift16(0) & 0x0301){
+ CLRTCLK;
+ jtag_ir_shift8(IR_CNTRL_SIG_16BIT);
+ if(adr>=0x100)
+ jtag_dr_shift16(0x0500);//word mode
+ else
+ jtag_dr_shift16(0x0510);//byte mode
+ jtag_ir_shift8(IR_ADDR_16BIT);
+ jtag_dr_shift20(adr);
+
+ SETTCLK;
+
+ jtag_ir_shift8(IR_DATA_TO_ADDR);
+ jtag_dr_shift16(data);//16 word
+
+ CLRTCLK;
+ jtag_ir_shift8(IR_CNTRL_SIG_16BIT);
+ jtag_dr_shift16(0x0501);
+ SETTCLK;
+
+ CLRTCLK;
+ SETTCLK;
+ //init state
+ }else{
+ while(1) PLEDOUT^=PLEDPIN; //loop if locked up
+ }
+}
+
+//! Read data from address
+unsigned int jtag430x2_readmem(unsigned long adr){
+ unsigned int toret=0;
+ //unsigned int tries=5;
+
+ while(1){
+ //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
+
+ jtag_ir_shift8(IR_DATA_TO_ADDR);
+ SETTCLK;
+ CLRTCLK;
+ toret = jtag_dr_shift16(0x0000);
+
+ SETTCLK;
+
+ //Cycle a bit.
+ CLRTCLK;
+ SETTCLK;
+ return toret;
+ }
+ }
+ //return toret;