Imported-Repos/ATmega-Soldering-Station
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Merge pull request #15 from TaaraLabs/master

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Added support for P-Channel Mosfets
This commit is contained in:
Stefan Wagner
2021-04-05 10:09:06 +02:00
committed by GitHub
parent 35030b45b2 3f4a8718aa
commit fd2b475414
1 changed files with 23 additions and 10 deletions
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33
software/original/sources/SolderingStation2_u8glib_v1.7.ino
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@@ -17,6 +17,7 @@
// - Calibrating and managing different soldering tips
// - Storing user settings into the EEPROM
// - Tip change detection
// - Can be used with either N or P channel mosfets
//
// Power supply should be in the range of 16V/2A to 24V/3A and well
// stabilized.
@@ -39,7 +40,7 @@
// Libraries
#include <U8glib.h> // https://github.com/olikraus/u8glib
#include <PID_v1.h> // https://github.com/mblythe86/C-PID-Library/tree/master/PID_v1
#include <PID_v1.h> // https://github.com/wagiminator/ATmega-Soldering-Station/blob/master/software/libraries/Arduino-PID-Library.zip (old cpp version of https://github.com/mblythe86/C-PID-Library/tree/master/PID_v1)
#include <EEPROM.h> // for storing user settings into EEPROM
#include <avr/sleep.h> // for sleeping during ADC sampling
@@ -91,6 +92,18 @@
// EEPROM identifier
#define EEPROM_IDENT 0xE76C // to identify if EEPROM was written by this program
// Mosfet selection and control definitions
#define P_MOSFET false // false for N-Channel sosfet and true for P-Channel mosfet
#ifdef P_MOSFET // P-Channel mosfet
#define HEATER_ON 255
#define HEATER_OFF 0
#define HEATER_PWM 255 - Output
#elif // N-Channel mosfet
#define HEATER_ON 0
#define HEATER_OFF 255
#define HEATER_PWM Output
#endif
// Define the aggressive and conservative PID tuning parameters
double aggKp=11, aggKi=0.5, aggKd=1;
double consKp=11, consKi=3, consKd=5;
@@ -186,7 +199,7 @@ void setup() {
pinMode(BUTTON_PIN, INPUT_PULLUP);
pinMode(SWITCH_PIN, INPUT_PULLUP);
analogWrite(CONTROL_PIN, 255); // this shuts off the heater
analogWrite(CONTROL_PIN, HEATER_OFF); // this shuts off the heater
digitalWrite(BUZZER_PIN, LOW); // must be LOW when buzzer not in use
// setup ADC
@@ -218,7 +231,7 @@ void setup() {
calculateTemp();
// turn on heater if iron temperature is well below setpoint
if ((CurrentTemp + 20) < DefaultTemp) analogWrite(CONTROL_PIN, 0);
if ((CurrentTemp + 20) < DefaultTemp) analogWrite(CONTROL_PIN, HEATER_ON);
// set PID output range and start the PID
ctrl.SetOutputLimits(0, 255);
@@ -284,7 +297,7 @@ void SLEEPCheck() {
if (handleMoved) { // if handle was moved
if (inSleepMode) { // in sleep or off mode?
if ((CurrentTemp + 20) < SetTemp) // if temp is well below setpoint
analogWrite(CONTROL_PIN, 0); // then start the heater right now
analogWrite(CONTROL_PIN, HEATER_ON); // then start the heater right now
beep(); // beep on wake-up
beepIfWorky = true; // beep again when working temperature is reached
}
@@ -303,7 +316,7 @@ void SLEEPCheck() {
// reads temperature, vibration switch and supply voltages
void SENSORCheck() {
analogWrite(CONTROL_PIN, 255); // shut off heater in order to measure temperature
analogWrite(CONTROL_PIN, HEATER_OFF); // shut off heater in order to measure temperature
delayMicroseconds(TIME2SETTLE); // wait for voltage to settle
double temp = denoiseAnalog(SENSOR_PIN); // read ADC value for temperature
@@ -311,7 +324,7 @@ void SENSORCheck() {
if (d != d0) {handleMoved = true; d0 = d;} // set flag if handle was moved
if (! SensorCounter--) Vin = getVIN(); // get Vin every now and then
analogWrite(CONTROL_PIN, Output); // turn on again heater
analogWrite(CONTROL_PIN, HEATER_PWM); // turn on again heater
RawTemp += (temp - RawTemp) * SMOOTHIE; // stabilize ADC temperature reading
calculateTemp(); // calculate real temperature value
@@ -332,7 +345,7 @@ void SENSORCheck() {
// checks if tip is present or currently inserted
if (ShowTemp > 500) TipIsPresent = false; // tip removed ?
if (!TipIsPresent && (ShowTemp < 500)) { // new tip inserted ?
analogWrite(CONTROL_PIN, 255); // shut off heater
analogWrite(CONTROL_PIN, HEATER_OFF); // shut off heater
beep(); // beep for info
TipIsPresent = true; // tip is present now
ChangeTipScreen(); // show tip selection screen
@@ -372,7 +385,7 @@ void Thermostat() {
// turn on heater if current temperature is below setpoint
if ((CurrentTemp + 0.5) < Setpoint) Output = 0; else Output = 255;
}
analogWrite(CONTROL_PIN, Output); // set heater PWM
analogWrite(CONTROL_PIN, HEATER_PWM); // set heater PWM
}
@@ -512,7 +525,7 @@ void MainScreen() {
// setup screen
void SetupScreen() {
analogWrite(CONTROL_PIN, 255); // shut off heater
analogWrite(CONTROL_PIN, HEATER_OFF); // shut off heater
beep();
uint16_t SaveSetTemp = SetTemp;
uint8_t selection = 0;
@@ -761,7 +774,7 @@ void CalibrationScreen() {
beep(); delay (10);
}
analogWrite(CONTROL_PIN, 255); // shut off heater
analogWrite(CONTROL_PIN, HEATER_OFF); // shut off heater
delayMicroseconds(TIME2SETTLE); // wait for voltage to settle
CalTempNew[3] = getChipTemp(); // read chip temperature
if ((CalTempNew[0] + 10 < CalTempNew[1]) && (CalTempNew[1] + 10 < CalTempNew[2])) {