void idle_control(void)
{
uint16_t target_rpm;
int16_t duty;
target_rpm = table1d_lookup(
ecu.sensors.ect, IDLE_TEMP_SCALE_SIZE,
(int16_t*)ecu.config.idle_temp_scale, (int16_t*)ecu.config.idle_rpm
);
pid_set_target(&idle_pid, target_rpm);
duty = pid_do(&idle_pid, ecu.sensors.rpm);
pwm_set_duty(PWM_IDLE, (512 + (duty >> 6)));
}
static void run_reflow(uint8_t mode)
{
uint16_t temp = 0;
int16_t target = 30;
uint16_t pid_out;
uint8_t done = 0;
char buf[9];
pid_init();
_delay_ms(200);
wdt_enable(WDTO_2S);
global_time = 0;
pwm_set2(255);
while(done == 0) {
if (max6675_ready) {
max6675_ready = 0;
wdt_reset();
if ((max6675_data == 0) || (max6675_data & MAX6675_TC_OPEN)) {
halt_tc_open();
break;
}
// convert data to temp in degrees
temp = MAX6675_TEMP(max6675_data);
temp = temp / 4;
if (mode == 0) {
target = ramp_get(global_time);
if (target == -1000) {
done = 1;
LCD_cursor(1, 0);
LCD_text(" ");
LCD_cursor(0, 0);
LCD_text("DONE !!!");
break;
}
}
pid_out = pid_do(temp, target);
// apply new pwm, pidout limit is 4096 scale to 256
pwm_set1(pid_out >> 4);
serial_write('0');
serial_write('x');
serial_write_hex(global_time >> 8);
serial_write_hex(global_time& 0xff);
/* serial_write(' ');
serial_write('0');
serial_write('x');
serial_write_hex(max6675_data >> 8);
serial_write_hex(max6675_data & 0xff);*/
serial_write(' ');
serial_write('0');
serial_write('x');
serial_write_hex(temp >> 8);
serial_write_hex(temp & 0xff);
serial_write(' ');
serial_write('0');
serial_write('x');
serial_write_hex(target >> 8);
serial_write_hex(target & 0xff);
serial_write(' ');
serial_write('0');
serial_write('x');
serial_write_hex(pid_out >> 8);
serial_write_hex(pid_out & 0xff);
serial_write('\n');
}
if (mode == 1) {
uint8_t tmp = enc_read();
if (tmp == ENC_UP) {
if (target != 0xffff)
target ++;
} else if (tmp == ENC_DOWN) {
if (target > 20)
target --;
}
}
if (!(BUTTONS & _BV(BUT))) {
LCD_cursor(0, 0);
LCD_text(" USER ");
LCD_cursor(1, 0);
LCD_text("ABORT !!");
break;
}
LCD_cursor(0, 0);
snprintf(buf, 9, "C: %04d", temp);
LCD_text(buf);
LCD_cursor(1, 0);
snprintf(buf, 9, "T: %04d", target);
LCD_text(buf);
}
// pwm to zero
pwm_set1(0);
pwm_set2(0);
wdt_disable();
wait_blink();
}
