X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Fapps%2Fjtag%2Fjtag430.c;h=f98cc5f27195557ed4375a2ebe047e46e0926b4c;hp=20055f20d5fc246dfeae7763bb93163b8d29d890;hb=386bb6b2c16f5d729a49e8eb8f42bbfad6a42d10;hpb=b1ae86eaae79309b8993c505d85b915dcac546b9 diff --git a/firmware/apps/jtag/jtag430.c b/firmware/apps/jtag/jtag430.c index 20055f2..f98cc5f 100644 --- a/firmware/apps/jtag/jtag430.c +++ b/firmware/apps/jtag/jtag430.c @@ -5,7 +5,7 @@ #include "platform.h" #include "command.h" -#include "jtag.h" +#include "jtag430.h" unsigned int jtag430mode=MSP430X2MODE; @@ -51,9 +51,14 @@ void jtag430_haltcpu(){ //! 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; } @@ -133,6 +138,7 @@ void jtag430_writeflash(unsigned int adr, unsigned int data){ 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); @@ -173,7 +179,8 @@ void jtag430_por(){ #define ERASE_SGMT 0xA502 //! Configure flash, then write a word. -void jtag430_eraseflash(unsigned int mode, unsigned int adr, unsigned int count){ +void jtag430_eraseflash(unsigned int mode, unsigned int adr, unsigned int count, + unsigned int info){ jtag430_haltcpu(); //FCTL1= erase mode @@ -181,7 +188,10 @@ void jtag430_eraseflash(unsigned int mode, unsigned int adr, unsigned int count) //FCTL2=0xA540, selecting MCLK as source, DIV=1 jtag430_writemem(0x012A, 0xA540); //FCTL3=0xA500, should be 0xA540 for Info Seg A on 2xx chips. - jtag430_writemem(0x012C, 0xA500); + if(info) + jtag430_writemem(0x012C, 0xA540); + else + jtag430_writemem(0x012C, 0xA500); //Write the erase word. jtag430_writemem(adr, 0x55AA); @@ -319,10 +329,11 @@ void jtag430handle(unsigned char app, * 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){ @@ -414,12 +425,19 @@ void jtag430handle(unsigned char app, txdata(app,verb,2); break; case JTAG430_ERASEFLASH: - jtag430_eraseflash(ERASE_MASS,0xFFFE,0x3000); + jtag430_eraseflash(ERASE_MASS,0xFFFE,0x3000,0); + txdata(app,verb,0); + break; + case JTAG430_ERASEINFO: + 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: