void ADCSetFreeRunning(BOOL freeRun)
{
if (freeRun)
{
SETPIN(ADCSRA, ADATE);
ADCSRB &= ~(1 << ADTS2) & ~(1 << ADTS1) & ~(1 << ADTS0);
}
else
{
CLEARPIN(ADCSRA, ADATE);
}
}
/* central command parser */
void Commands(char *buf)
{
//usbprog.datatogl = 1; // 1MHz
int i;
switch(buf[0]) {
case PORT_DIRECTION:
set_direction((uint8_t)buf[1]);
//answer[0] = PORT_DIRECTION;
//answer[1] = 0x00;
//CommandAnswer(2);
break;
case PORT_SET:
set_port((uint8_t)buf[1]);
//answer[0] = PORT_SET;
//answer[1] = 0x00;
//CommandAnswer(2);
break;
case PORT_GET:
answer[0] = PORT_GET;
answer[1] = get_port();
CommandAnswer(2);
break;
case PORT_SETPIN:
set_bit((uint8_t)buf[1],(uint8_t)buf[2]);
//answer[0] = PORT_SETPIN;
//answer[1] = 0x00;
//CommandAnswer(2);
break;
case PORT_GETBIT:
answer[0] = PORT_GETBIT;
answer[1] = (char)get_bit((uint8_t)buf[1]);
CommandAnswer(2);
break;
case WRITE_TDI:
write_tdi(buf,((uint8_t)buf[1]*256)+(uint8_t)buf[2]); // size = numbers of byte not bits!!! round up
#if 1
// tck 0 tms 0 tdi 0
CLEARPIN(PIN_WRITE,TCK); // clk
CLEARPIN(PIN_WRITE,TDI); // tdi
CLEARPIN(PIN_WRITE,TMS); // tms
// tck 1 tms 0 tdi 0
SETPIN(PIN_WRITE,TCK); // clk
#endif
//answer[0] = WRITE_TDI;
//answer[1] = 0x00;
//CommandAnswer(2);
break;
case WRITE_TMS:
write_tms((uint8_t)buf[1]);
//answer[0] = WRITE_TDI;
//answer[1] = 0x00;
//CommandAnswer(2);
break;
case READ_TDO:
read_tdo(buf,((uint8_t)buf[1]*256)+(uint8_t)buf[2]); // size = numbers of byte not bits!!! round up
#if 1
// tck 0 tms 0 tdi 0
CLEARPIN(PIN_WRITE,TCK); // clk
CLEARPIN(PIN_WRITE,TDI); // tdi
CLEARPIN(PIN_WRITE,TMS); // tms
// tck 1 tms 0 tdi 0
SETPIN(PIN_WRITE,TCK); // clk
#endif
for(i=0;i<64;i++)
answer[i]=buf[i];
CommandAnswer(64);
break;
case WRITE_AND_READ:
write_and_read(buf,((uint8_t)buf[1]*256)+(uint8_t)buf[2]); // size = numbers of byte not bits!!! round up
#if 0
// tck 0 tms 0 tdi 0
CLEARPIN(PIN_WRITE,TCK); // clk
CLEARPIN(PIN_WRITE,TDI); // tdi
CLEARPIN(PIN_WRITE,TMS); // tms
// tck 1 tms 0 tdi 0
SETPIN(PIN_WRITE,TCK); // clk
#endif
for(i=0;i<64;i++)
answer[i]=buf[i];
CommandAnswer(64);
break;
case INIT_JTAG:
set_direction(0xf4);
break;
case TAP_RESET:
break;
case TAP_SHIFT:
tap_shift(buf,(uint8_t)buf[1]);
for(i=0;i<64;i++)
answer[i]=buf[i];
CommandAnswer(64);
break;
case TAP_SHIFT_FINAL:
tap_shift_final(buf,(uint8_t)buf[1]);
for(i=0;i<64;i++)
answer[i]=buf[i];
CommandAnswer(64);
break;
case TAP_CAPTURE_DR:
break;
case TAP_CAPTURE_IR:
break;
default:
// unkown command
answer[0] = UNKOWN_COMMAND;
answer[1] = 0x00;
CommandAnswer(2);
}
}
void ADCDisableInterrupt(void)
{
CLEARPIN(ADCSRA, ADIE);
}
void ADCDisable(void)
{
CLEARPIN(ADCSRA, ADEN);
}
