X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Fapps%2Fjtag%2Fjtag430.c;h=d518ca1c403e813b16e32c67e00f0a7ec7752062;hp=f805a4d195bc786928857b4e138e05274768053c;hb=0fb25630e9970a4e6d18e190c484f654490565b0;hpb=1aee2758590886e1d1018c840806195a71e12204 diff --git a/firmware/apps/jtag/jtag430.c b/firmware/apps/jtag/jtag430.c index f805a4d..d518ca1 100644 --- a/firmware/apps/jtag/jtag430.c +++ b/firmware/apps/jtag/jtag430.c @@ -4,6 +4,8 @@ #include "jtag.h" +unsigned int jtag430mode=MSP430X2MODE; + //! Set the program counter. void jtag430_setpc(unsigned int adr){ jtag_ir_shift8(IR_CNTRL_SIG_16BIT); @@ -79,27 +81,6 @@ void jtag430_writemem(unsigned int adr, unsigned int data){ SETTCLK; } -//! Defined in jtag430asm.S -void jtag430_tclk_flashpulses(int); -/* //! Pulse TCLK at 350kHz +/- 100kHz */ -/* void jtag430_tclk_flashpulses(register i){ */ -/* //TODO check this on a scope. */ -/* register j=0; */ - -/* //At 2MHz, 350kHz is obtained with 5 clocks of delay */ - -/* /\** Pondering: */ -/* What happens if the frequency is too low or to high? */ -/* Is there any risk of damaging the chip, or only of a poor write? */ -/* *\/ */ -/* while(j++!=i){ */ -/* SETTCLK; */ -/* _NOP(); */ -/* _NOP(); */ -/* _NOP(); */ -/* CLRTCLK; */ -/* } */ -/* } */ //! Write data to flash memory. Must be preconfigured. void jtag430_writeflashword(unsigned int adr, unsigned int data){ @@ -149,6 +130,8 @@ void jtag430_writeflash(unsigned int adr, unsigned int data){ jtag430_releasecpu(); } + + //! Power-On Reset void jtag430_por(){ unsigned int jtagid; @@ -278,11 +261,12 @@ void jtag430_setinstrfetch(){ } } -//! Handles unique MSP430 JTAG commands. Forwards others to JTAG. -void jtag430handle(unsigned char app, + +//! Handles classic MSP430 JTAG commands. Forwards others to JTAG. +void oldjtag430handle(unsigned char app, unsigned char verb, unsigned char len){ - unsigned char i; + switch(verb){ case START: //Enter JTAG mode. @@ -337,3 +321,16 @@ void jtag430handle(unsigned char app, jtag430_resettap(); } +//! Handles unique MSP430 JTAG commands. Forwards others to JTAG. +void jtag430handle(unsigned char app, + unsigned char verb, + unsigned char len){ + switch(jtag430mode){ + case MSP430MODE: + return oldjtag430handle(app,verb,len); + case MSP430X2MODE: + return jtag430x2handle(app,verb,len); + default: + txdata(app,NOK,0); + } +}