X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=firmware%2Fapps%2Fchipcon%2Fchipcon.c;h=1f4b3d475da63f70282c7b0559c344c0fd35aca8;hb=f515b7a8aae68363cba997f8581001401e70054b;hp=33b12831aa67475d63e69a0da5155792ad219db9;hpb=d3dd9b72ba6d3335cbae4ef560a25e9f707a4435;p=goodfet diff --git a/firmware/apps/chipcon/chipcon.c b/firmware/apps/chipcon/chipcon.c index 33b1283..1f4b3d4 100644 --- a/firmware/apps/chipcon/chipcon.c +++ b/firmware/apps/chipcon/chipcon.c @@ -37,7 +37,8 @@ //This could be more accurate. //Does it ever need to be? #define CCSPEED 3 -#define CCDELAY(x) delay(x) +//#define CCDELAY(x) delay(x) +#define CCDELAY(x) #define SETMOSI P5OUT|=MOSI #define CLRMOSI P5OUT&=~MOSI @@ -52,25 +53,27 @@ void ccsetup(){ P5OUT|=MOSI+SCK+RST; P5DIR|=MOSI+SCK+RST; - //P5DIR&=~MISO; //MOSI is MISO + //P5REN=0xFF; } //! Initialize the debugger void ccdebuginit(){ + //Port output BUT NOT DIRECTION is set at start. + P5OUT|=MOSI+SCK+RST; + + //delay(30); //So the beginning is ready for glitching. + //Two positive debug clock pulses while !RST is low. //Take RST low, pulse twice, then high. P5OUT&=~SCK; P5OUT&=~RST; - //pulse twice - CCDELAY(CCSPEED); - P5OUT|=SCK; //up - CCDELAY(CCSPEED); - P5OUT&=~SCK; //down - CCDELAY(CCSPEED); - P5OUT|=SCK; //up - CCDELAY(CCSPEED); - P5OUT&=~SCK; //down + //Two rising edges. + P5OUT^=SCK; //up + P5OUT^=SCK; //down + P5OUT^=SCK; //up + P5OUT^=SCK; //Unnecessary. + //Raise !RST. P5OUT|=RST; @@ -145,14 +148,12 @@ void cchandle(unsigned char app, if(cmddata[0]&0x4) ccread(1); txdata(app,verb,1); - break; case WRITE: //Write a command with no reply. cccmd(len); txdata(app,verb,0); break; case START://enter debugger - ccsetup(); ccdebuginit(); txdata(app,verb,0); break; @@ -283,7 +284,7 @@ void cc_wr_config(unsigned char config){ void cc_lockchip(){ register int i; - debugstr("Locking chip."); + //debugstr("Locking chip."); cc_wr_config(1);//Select Info Flash if(!(cc_rd_config()&1)) debugstr("Config forgotten!"); @@ -319,7 +320,6 @@ unsigned char cc_read_status(){ //! Read the CHIP ID bytes. unsigned short cc_get_chip_id(){ - unsigned short toret; cmddata[0]=CCCMD_GET_CHIP_ID; //0x68 cccmd(1); ccread(2); @@ -331,13 +331,13 @@ unsigned short cc_get_chip_id(){ case 0x81://CC2510 case 0x91://CC2511 flash_word_size=0x02; - debugstr("2 bytes/flash word"); + //debugstr("2 bytes/flash word"); break; default: debugstr("Warning: Guessing flash word size."); case 0x85://CC2430 case 0x89://CC2431 - debugstr("4 bytes/flash word"); + //debugstr("4 bytes/flash word"); flash_word_size=0x04; break; } @@ -466,12 +466,12 @@ void cc_write_flash_page(u32 adr){ cmddata[1]=0xc7; cmddata[2]=0x51; cc_debug_instr(3); - debugstr("Loaded bank info."); + //debugstr("Loaded bank info."); cc_set_pc(0xf000+MAXFLASHPAGE_SIZE);//execute code fragment cc_resume(); - debugstr("Executing."); + //debugstr("Executing."); while(!(cc_read_status()&CC_STATUS_CPUHALTED)){ @@ -479,7 +479,7 @@ void cc_write_flash_page(u32 adr){ } - debugstr("Done flashing."); + //debugstr("Done flashing."); P1OUT&=~1;//clear LED }