_u8 ispEnterProgmode(stkEnterProgIsp_t *param)
{
_u8 i, rval;
ispAttachToDevice(stkParam.s.sckDuration, param->stabDelay);
delay(param->cmdExeDelay);
/* we want for(i = param->synchLoops; i--;), but avrdude sends synchLoops == 0 */
for(i = 32; i--;){
wdt_reset();
rval = ispBlockTransfer(param->cmd, param->pollIndex);
if(param->pollIndex < 4)
ispBlockTransfer(param->cmd + param->pollIndex, 4 - param->pollIndex);
if(rval == param->pollValue){ /* success: we are in sync */
return STK_STATUS_CMD_OK;
}
/* insert one clock pulse and try again: */
DIGITAL_WRITE(ISP_SCK, HIGH);
timerTicksDelay(ispClockDelay);
DIGITAL_WRITE(ISP_SCK, LOW);
timerTicksDelay(ispClockDelay);
}
ispDetachFromDevice();
return STK_STATUS_CMD_FAILED; /* failure */
}
void ispLeaveProgmode(stkLeaveProgIsp_t *param)
{
ispDetachFromDevice(param->preDelay);
timerMsDelay(param->postDelay);
}
void ispLeaveProgmode(stkLeaveProgIsp_t *param)
{
ispDetachFromDevice();
delay(param->postDelay);
}
