sync to home
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@ -14,6 +14,7 @@
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#define E_RAMPDOWN_TOO_FAST 2 // oven cools down too fast
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#define E_RAMPDOWN_TOO_SLOW 3 // oven cools down too slow
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#define E_TIME_MAX 4 // reflow process does take too long
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#define E_PEAK_TOO_LONG 5 // package was roasted
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unsigned int time = 0; // profile seconds
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unsigned int temperatur = 25; // actual oven temp
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@ -36,13 +37,15 @@ unsigned int Ts_max_time = 0;
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unsigned int Tl_time = 0;
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unsigned int Tl_time_end = 0;
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unsigned int Tp_time = 0;
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unsigned int Tp_time_end = 0;
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unsigned int Tl_end_time = 0;
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unsigned int error_condition = 0;
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byte state = START_STATE;
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int analogPin = 2;
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void setup() {
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pinMode(13, OUTPUT);
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Serial.begin(9600);
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}
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@ -87,50 +90,61 @@ boolean check_tal_duration() {
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}
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}
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void loop() {
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time = millis() / 1000;
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get_temp();
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Serial.print(time);
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Serial.print(" ");
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Serial.print(temperatur);
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Serial.print(" ");
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Serial.println(last_temperatur);
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switch (state) {
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case START_STATE:
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// going from room temp to preheat, nothing to check here
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if (!check_rampup_rate())
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goto error;
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if (temperatur > Ts_min) {
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Serial.println("Changed state to PREHEAT_STATE");
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Ts_min_time = time;
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state++;
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}
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case PREHEAT_STATE:
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if (temperatur > Ts_max) {
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Serial.println("Changed state to PREHEAT_STATE");
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Ts_max_time = time;
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state++;
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}
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break;
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case TAL_FIRST_STATE:
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break;
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case PEAK_STATE:
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break;
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case TAL_SECOND_STATE:
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break;
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case RAMPDOWN_STATE:
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break;
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case END_STATE:
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default:
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break;
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boolean check_peak_duration() {
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if (Tp_time_end - Tp_time > peak_duration) {
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error_condition = E_PEAK_TOO_LONG;
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return false;
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}
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delay(1000);
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return;
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error:
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state = END_STATE;
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Serial.println(error_condition);
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}
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void loop() {
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// time = millis() / 1000;
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// get_temp();
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// Serial.print(time);
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// Serial.print(" ");
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// Serial.print(temperatur);
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// Serial.print(" ");
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// Serial.println(last_temperatur);
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Serial.println(analogRead(analogPin));
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// switch (state) {
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// case START_STATE:
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// // going from room temp to preheat, nothing to check here
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// if (!check_rampup_rate())
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// goto error;
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// if (temperatur > Ts_min) {
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// Serial.println("Changed state to PREHEAT_STATE");
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// Ts_min_time = time;
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// state++;
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// }
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// case PREHEAT_STATE:
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// if (temperatur > Ts_max) {
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// Serial.println("Changed state to PREHEAT_STATE");
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// Ts_max_time = time;
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// state++;
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// }
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// break;
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// case TAL_FIRST_STATE:
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// break;
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// case PEAK_STATE:
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// break;
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// case TAL_SECOND_STATE:
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// break;
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// case RAMPDOWN_STATE:
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// break;
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// case END_STATE:
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// default:
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// break;
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// }
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//
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delay(1000);
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//
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// return;
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//
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// error:
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// state = END_STATE;
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// Serial.println(error_condition);
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}
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@ -1,6 +1,11 @@
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#!/usr/bin/python
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import serial
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ser = serial.Serial('/dev/ttyUSB0', 9600)
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while 1:
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print ser.readline()
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try:
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ser = serial.Serial('/dev/ttyUSB0', 9600)
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while 1:
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print ser.readline()
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except Exception, e:
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pass
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