X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=firmware%2Fapps%2Favr%2Favr.c;h=88bcf020e52143f8bc65bdf3a13c0ad21d39162d;hb=07652639a8256048cfdc4e63f79bb4e3f79dc768;hp=953156347217821a47119797905589d0becb302e;hpb=fa0f91bb0af90149c2502c3e2c0ad06516d28a49;p=goodfet diff --git a/firmware/apps/avr/avr.c b/firmware/apps/avr/avr.c index 9531563..88bcf02 100644 --- a/firmware/apps/avr/avr.c +++ b/firmware/apps/avr/avr.c @@ -12,6 +12,27 @@ #include "avr.h" //#include "glitch.h" +// +//! Handles an AVR command. +void avr_handle_fn( uint8_t const app, + uint8_t const verb, + uint32_t const len); + +// define the jtag app's app_t +app_t const avr_app = { + + /* app number */ + AVR, + + /* handle fn */ + avr_handle_fn, + + /* name */ + "AVR", + + /* desc */ + "\tThe AVR app adds support for debugging AVR based devices.\n" +}; //! Setup the AVR pins. void avrsetup(){ @@ -130,12 +151,23 @@ u8 avr_peekflash(u16 adr){ return avrexchange(0x20,a>>8,a&0xff,0); } +void avr_bulk_load(u16 start, u16 len, u8 *data) { + u16 adr; + for (adr = 0; adr < len; adr++) { + u16 a = adr + start; + avrexchange((adr & 1) ? 0x48 : 0x40, + a >> 9, + (a >> 1) & 0xff, + data[adr]); + } +} //! Handles an AVR command. -void avrhandle(unsigned char app, - unsigned char verb, - unsigned long len){ - unsigned long i; +void avr_handle_fn( uint8_t const app, + uint8_t const verb, + uint32_t const len) +{ + unsigned long i, l; unsigned int at; /* @@ -158,6 +190,9 @@ void avrhandle(unsigned char app, avrconnect(); txdata(app,verb,0); break;//Used to fall through here. + case STOP: + SETSS; + txdata(app, verb, 0); case AVR_PEEKSIG: for(i=0;i<4;i++) cmddata[i]=avr_sig(i); @@ -182,6 +217,16 @@ void avrhandle(unsigned char app, cmddata[0]=avr_peekeeprom(cmddataword[0]); txdata(app,verb,1); break; + case AVR_BULKLOAD: + if (len < 3) { + debugstr("Length too short"); + txdata(app, NOK, 0); + } else { + at = cmddataword[0]; + avr_bulk_load(at, len - 2, cmddata + 2); + txdata(app, verb, 0); + } + break; case PEEK: //cmddata[0]=avr_peekflash(cmddataword[0]); //txdata(app,verb,1); @@ -189,13 +234,14 @@ void avrhandle(unsigned char app, //Fetch large blocks for bulk fetches, //small blocks for individual peeks. - if(len>2){ - len=(cmddataword[1]);//always even. + l = len; + if(l>2){ + l=(cmddataword[1]);//always even. }else{ - len=1; + l=1; } - txhead(app,verb,len); - for(i=0;i