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This commit is contained in:
Stefan Kögl 2012-10-03 17:58:34 +02:00
parent 02e91af826
commit c04dcaa2e1
2 changed files with 141 additions and 62 deletions
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2
cmake/Platform/Arduino.cmake
View File

@ -1589,7 +1589,7 @@ endfunction()
#=============================================================================# #=============================================================================#
# C Flags # C Flags
#=============================================================================# #=============================================================================#
set(ARDUINO_C_FLAGS "-mcall-prologues -ffunction-sections -fdata-sections") set(ARDUINO_C_FLAGS "-ffunction-sections -fdata-sections")
set(CMAKE_C_FLAGS "-Os ${ARDUINO_C_FLAGS}" CACHE STRING "") set(CMAKE_C_FLAGS "-Os ${ARDUINO_C_FLAGS}" CACHE STRING "")
set(CMAKE_C_FLAGS_DEBUG "${ARDUINO_C_FLAGS}" CACHE STRING "") set(CMAKE_C_FLAGS_DEBUG "${ARDUINO_C_FLAGS}" CACHE STRING "")
set(CMAKE_C_FLAGS_MINSIZEREL "-Os -DNDEBUG ${ARDUINO_C_FLAGS}" CACHE STRING "") set(CMAKE_C_FLAGS_MINSIZEREL "-Os -DNDEBUG ${ARDUINO_C_FLAGS}" CACHE STRING "")

201
reflowctl/reflowctl.ino
View File

@ -5,7 +5,7 @@
#define TAL_FIRST_STATE 3 #define TAL_FIRST_STATE 3
#define PEAK_STATE 4 #define PEAK_STATE 4
#define TAL_SECOND_STATE 5 #define TAL_SECOND_STATE 5
#define RAMPDOWN_STATE 6 #define RAMP_DOWN_STATE 6
#define END_STATE 7 #define END_STATE 7
#define ERROR_STATE 8 #define ERROR_STATE 8
@ -20,13 +20,15 @@ unsigned int time = 0; // profile seconds
unsigned int temperatur = 25; // actual oven temp unsigned int temperatur = 25; // actual oven temp
unsigned int last_temperatur = 25; unsigned int last_temperatur = 25;
// profile stuff
unsigned int Ts_max = 200; // °C unsigned int Ts_max = 200; // °C
unsigned int Ts_min = 150; // °C unsigned int Ts_min = 150; // °C
unsigned int Tp = 260; // 245-260°C unsigned int Tp = 260; // 245-260°C
unsigned int rampup_rate = 3; // 3°C/s unsigned int rampup_rate = 50; // 3°C/s
unsigned int preheat_duration = 100; // 60-180s unsigned int preheat_duration = 100; // 60-180s
unsigned int tal = 217; // 217°C unsigned int Tl = 217; // 217°C
unsigned int tal_duration = 100; // 60-150s unsigned int Tl_duration = 100; // 60-150s
unsigned int peak_duration = 30; // 20-40s unsigned int peak_duration = 30; // 20-40s
unsigned int rampdown_max = 6; // 6°C/s max unsigned int rampdown_max = 6; // 6°C/s max
unsigned int rampdown_min = 2; // 2°C/s max unsigned int rampdown_min = 2; // 2°C/s max
@ -34,32 +36,60 @@ unsigned int time_max = 480; // 8*60s max
unsigned int Ts_min_time = 0; unsigned int Ts_min_time = 0;
unsigned int Ts_max_time = 0; unsigned int Ts_max_time = 0;
unsigned int Tl_time = 0; unsigned int Tl_time_start = 0;
unsigned int Tl_time_end = 0; unsigned int Tl_time_end = 0;
unsigned int Tp_time = 0; unsigned int Tp_time_start = 0;
unsigned int Tp_time_end = 0; unsigned int Tp_time_end = 0;
unsigned int Tl_end_time = 0;
unsigned int error_condition = 0; unsigned int error_condition = 0;
boolean is_oven_heating = false;
byte state = START_STATE; byte state = START_STATE;
int analogPin = 2; int analogPin = 2;
int hysteresis = 0;
int set_min = 0;
int set_max = 0;
void setup() { void setup() {
Serial.begin(9600); Serial.begin(9600);
get_temp();
last_temperatur = temperatur;
control_oven(Tp, Tp);
}
void set_temp(int min, int max) {
set_min = min;
set_max = max;
}
void control_oven() {
if (temperatur < set_min) {
is_oven_heating = true;
Serial.println("Oven turned on");
}
else if (temperatur < set_max) {
is_oven_heating = false;
Serial.println("Oven turned off");
}
} }
void get_temp() { void get_temp() {
// simulating an +1K/s rampup oven // simulating an +1K/s rampup oven
last_temperatur = temperatur++; last_temperatur = temperatur;
temperatur = int(float(analogRead(analogPin)) * 0.2929);
} }
boolean check_rampup_rate() { void check_rampup_rate() {
if (temperatur - last_temperatur > rampup_rate) { if (temperatur - last_temperatur > rampup_rate) {
error_condition = E_RAMPUP; error_condition = E_RAMPUP;
return false; control_oven(false);
} }
return true; else
control_oven(true);
} }
boolean check_rampdown_rate() { boolean check_rampdown_rate() {
@ -76,14 +106,15 @@ boolean check_rampdown_rate() {
return true; return true;
} }
boolean time_max_check() {
boolean check_max_duration() {
if (time > time_max) { if (time > time_max) {
error_condition = E_TIME_MAX; error_condition = E_TIME_MAX;
return false; return false;
} }
} }
boolean check_tal_duration() { boolean check_Tl_duration() {
if (time > time_max) { if (time > time_max) {
error_condition = E_TIME_MAX; error_condition = E_TIME_MAX;
return false; return false;
@ -91,60 +122,108 @@ boolean check_tal_duration() {
} }
boolean check_peak_duration() { void handle_start_state() {
if (Tp_time_end - Tp_time > peak_duration) { if (temperatur > Ts_min) {
error_condition = E_PEAK_TOO_LONG; Serial.println("Changing state to PREHEAT_STATE");
return false; Ts_min_time = time;
state++;
}
}
void handle_peak_state() {
Serial.println("PEAK_STATE");
if (temperatur > Tp)
control_oven(false);
else
control_oven(true);
if (time - Tp_time_start > peak_duration) {
Serial.println("Changed state to TAL_SECOND_STATE");
Tp_time_end = time;
state++;
} }
} }
void loop() { void loop() {
// time = millis() / 1000; time = millis() / 1000;
// get_temp(); get_temp();
// Serial.print(time); Serial.print(time);
// Serial.print(" "); Serial.print(" ");
// Serial.print(temperatur); Serial.print(temperatur);
// Serial.print(" "); Serial.print(" ");
// Serial.println(last_temperatur); Serial.print(last_temperatur);
Serial.print(" ");
Serial.println(state);
Serial.println(analogRead(analogPin));
switch (state) {
case START_STATE:
Serial.println("START_STATE");
// going from room temp to preheat, nothing to check here
handle_start_state();
break;
case PREHEAT_STATE:
Serial.println("PREHEAT_STATE");
check_rampup_rate();
if (temperatur > Ts_max) {
Serial.println("Changed state to RAMP_UP_STATE");
Ts_max_time = time;
state++;
}
break;
case RAMP_UP_STATE:
Serial.println("RAMP_UP_STATE");
check_rampup_rate();
if (temperatur > Tl) {
Serial.println("Changed state to TAL_FIRST_STATE");
Tl_time_start = time;
state++;
}
break;
case TAL_FIRST_STATE:
Serial.println("TAL_FIRST_STATE");
check_rampup_rate();
if (temperatur > Tp - 5) {
Serial.println("Changed state to PEAK_STATE");
Tp_time_start = time;
state++;
}
break;
case PEAK_STATE:
handle_peak_state();
break;
case TAL_SECOND_STATE:
Serial.println("TAL_SECOND_STATE");
if (temperatur < Tl) {
Serial.println("Changed state to RAMP_DOWN_STATE");
Tl_time_end = time;
state++;
}
break;
case RAMP_DOWN_STATE:
Serial.println("RAMP_DOWN_STATE");
if (temperatur < Ts_min) {
Serial.println("Changed state to END_STATE");
state++;
}
break;
case END_STATE:
Serial.println("END_STATE");
default:
break;
}
// switch (state) { control_oven();
// case START_STATE:
// // going from room temp to preheat, nothing to check here
// if (!check_rampup_rate())
// goto error;
// if (temperatur > Ts_min) {
// Serial.println("Changed state to PREHEAT_STATE");
// Ts_min_time = time;
// state++;
// }
// case PREHEAT_STATE:
// if (temperatur > Ts_max) {
// Serial.println("Changed state to PREHEAT_STATE");
// Ts_max_time = time;
// state++;
// }
// break;
// case TAL_FIRST_STATE:
// break;
// case PEAK_STATE:
// break;
// case TAL_SECOND_STATE:
// break;
// case RAMPDOWN_STATE:
// break;
// case END_STATE:
// default:
// break;
// }
//
delay(1000); delay(1000);
//
// return; return;
//
// error: error:
// state = END_STATE; state = END_STATE;
// Serial.println(error_condition); Serial.print("Error: ");
Serial.println(error_condition);
} }