X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Fgoodfet.c;h=b8d9e3dbe7940936065d98a0c4bb9b4ccbe5c7ff;hp=97b40c23f1ed8465610cd47554ea068d4ae985c8;hb=ea94279f763800d71e86d9bb25d140bf78dfb4ea;hpb=a2c8cdf4174097b1045f64c8c03673cd0b2a6ebc diff --git a/firmware/goodfet.c b/firmware/goodfet.c index 97b40c2..b8d9e3d 100644 --- a/firmware/goodfet.c +++ b/firmware/goodfet.c @@ -15,12 +15,40 @@ //! Initialize registers and all that jazz. void init(){ + #ifdef DAC12IR int i; + #endif + WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer //LED out and on. PLEDDIR |= PLEDPIN; PLEDOUT &= ~PLEDPIN; + + + /* P5.0 out and low; this is chosen for the PIC app (in which P5.0 + is !MCLR) to ensure that an attached PIC chip, if present, is + immediately driven to reset state. A brief explanation of why this + is important follows. + + At least dsPIC33F and PIC24H --and very likely other 16-bit PIC + families-- draw a large amount of current when running, especially + when using a fast clock: from 60 mA up to approx. 90 mA. If the + PIC target begins to run before the client can request a new ICSP + session, which requires much less current (e.g., less than 2 mA), + then the MSP430 chip on the GoodFET will fail to start and the FTDI + may have trouble communicating with the client. The latter likely + relates to the FTDI on-chip 3V3 regulator being specified up to + only 50 mA. */ + + + //P5REN &= ~BIT0; //DO NOT UNCOMMENT. Breaks GF1x support. + + //This will have to be cut soon. Use pulling resistors instead. + /* + P5DIR |= BIT0; + P5OUT &= ~BIT0; + */ //Setup clocks, unique to each '430. msp430_init_dco(); @@ -61,7 +89,7 @@ void handle(unsigned char app, unsigned char verb, unsigned long len){ //debugstr("GoodFET"); - P1OUT&=~1; + PLEDOUT&=~PLEDPIN; switch(app){ case GLITCH: glitchhandle(app,verb,len); @@ -72,14 +100,19 @@ void handle(unsigned char app, case SPI: spihandle(app,verb,len); break; + case NRF: + nrfhandle(app,verb,len); + break; + case CCSPI: + ccspihandle(app,verb,len); + break; case AVR: avrhandle(app,verb,len); break; -#ifdef INSTALL_PIC_APP case PIC: pichandle(app,verb,len); break; -#endif + case I2CAPP: i2chandle(app,verb,len); break; @@ -93,7 +126,9 @@ void handle(unsigned char app, ejtaghandle(app,verb,len); break; case JTAG430: //Also JTAG430X, JTAG430X2 + //Revert this when X2 support returns. jtag430x2handle(app,verb,len); + //jtag430handle(app,verb,len); break; case SMARTCARD: smartcardhandle(app,verb,len);