AT90S2313 and AT2323 programmer for Linux

Features

• No external supply
• No active components
• Linux source modified from avrprog
• Low cost hardware idea from Igor Cesko- Hardware section

Modified source

/* begin of avr_serial_pp functions */

ASPP * aspp_new() {
  return (ASPP *) malloc(sizeof(ASPP));
}

ASPP * aspp_init(ASPP *aspp, unsigned short base) {
#ifdef IGOR_PROGRAMMER
  aspp->VCC1=rpp_init(rpp_new(), base, 2, 0); /* nStrobe */
  aspp->VCC2=rpp_init(rpp_new(), base, 2, 1); /* nLinefeed */
  aspp->VCC3=rpp_init(rpp_new(), base, 2, 2); /* Init */
  aspp->SCK=rpp_init(rpp_new(), base, 0, 0);  /* D0 */
  aspp->MISO=rpp_init(rpp_new(), base, 1, 3); /* Error */
  aspp->MOSI=rpp_init(rpp_new(), base, 0, 1); /* D1 */
  aspp->RESET=rpp_init(rpp_new(), base, 0, 2); /* D2 */
#else                   
  aspp->SCK=rpp_init(rpp_new(), base, 2, 0);  /* nStrobe */
  aspp->MISO=rpp_init(rpp_new(), base, 1, 7); /* nBusy */
  aspp->MOSI=rpp_init(rpp_new(), base, 0, 0); /* D0 */
  aspp->RESET=rpp_init(rpp_new(), base, 2, 2); /* Init */
  aspp->VCC1=NULL;
  aspp->VCC2=NULL;
  aspp->VCC3=NULL;
#endif
  return aspp;
}

void aspp_delete(ASPP *aspp) {
  rpp_delete(aspp->SCK);
  rpp_delete(aspp->MISO);
  rpp_delete(aspp->MOSI);
  rpp_delete(aspp->RESET);
  rpp_delete(aspp->VCC1);
  rpp_delete(aspp->VCC2);
  rpp_delete(aspp->VCC3);
  free(aspp);
}

#ifdef IGOR_PROGRAMMER
void aspp_SCK(ASPP *aspp, int data) {
  rpp_write(aspp->SCK, data);
}

int aspp_MISO(ASPP *aspp) {
  return rpp_read(aspp->MISO);
}

void aspp_MOSI(ASPP *aspp, int data) {
  rpp_write(aspp->MOSI, data);
}

void aspp_RESET(ASPP *aspp, int data) {
  rpp_write(aspp->RESET, data);
}

void aspp_VCC(ASPP *aspp, int data) {
  rpp_write(aspp->VCC1, !data);
  rpp_write(aspp->VCC2, !data);
  rpp_write(aspp->VCC3, data);
}

#else

void aspp_SCK(ASPP *aspp, int data) {
  rpp_write(aspp->SCK, !data);
}

int aspp_MISO(ASPP *aspp) {
  return ! rpp_read(aspp->MISO);
}

void aspp_MOSI(ASPP *aspp, int data) {
  rpp_write(aspp->MOSI, data);
}

void aspp_RESET(ASPP *aspp, int data) {
  rpp_write(aspp->RESET, data);
}

void aspp_VCC(ASPP *aspp, int data) {
}

#endif
/* end of avr_serial_pp functions */

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