143 lines
3.6 KiB
C++
143 lines
3.6 KiB
C++
#include "src/Btn/Btn.h"
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#include <Wire.h>
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#include <Adafruit_GFX.h>
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#include <Adafruit_SSD1306.h>
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#include <Fonts/FreeSans9pt7b.h>
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#define SSD1306_NO_SPLASH
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#define SCREEN_WIDTH 96
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#define SCREEN_HEIGHT 16
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#define OLED_RESET -1 // Pas de reset matériel
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#define SCREEN_ADDRESS 0x3C // Adresse I2C (à confirmer avec un scanner I2C)
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#define LED_PIN 18
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#define batVcheckActivatePin 42
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#define batVcheckMesurePin 14
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int bat_prct = 100;
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float coil_res = 1.1;
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float coil_pw = 17.8;
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Btn plusBtn(6, 50);
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Btn moinsBtn(7, 50);
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Btn fireBtn(17, 50);
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Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
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void setup() {
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SerialUSB.begin(115200);
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// while (!SerialUSB); // Leonardo: wait for serial monitor
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SerialUSB.println("\nBoxmodFirmware");
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pinMode(LED_PIN, OUTPUT);
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analogWrite(LED_PIN, 0);
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pinMode(batVcheckActivatePin, OUTPUT);
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digitalWrite(batVcheckActivatePin, HIGH);
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pinMode(batVcheckMesurePin, INPUT);
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if (!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
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SerialUSB.println(F("Échec de l'initialisation de l'écran OLED"));
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// while (true); // Boucle infinie en cas d'échec
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}
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display.clearDisplay();
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delay(500);
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display.setRotation(2);
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}
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void drawScreen() {
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display.clearDisplay();
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display.setTextColor(SSD1306_WHITE);
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// battery
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display.setTextSize(1);
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display.setCursor(0, 0);
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display.print(String(bat_prct)+"%");
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// display.drawRect(0, 0, 39, 69, SSD1306_WHITE); // Rectangle vide
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// display.fillRect(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, SSD1306_WHITE); // Rectangle rempli
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// coil resistance
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display.setTextSize(1);
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display.setCursor(0, 8);
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// display.print(String(coil_res)+"Ω");
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char coil_res_output[3]; // Adjust size accordingly
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sprintf(coil_res_output, "%.1f\xE9", coil_res); // Format float with 1 decimal place
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display.print(coil_res_output);
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// power
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display.setTextSize(2);
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display.setCursor(30, 0);
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// display.print(String(coil_pw)+"W");
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char coil_pw_output[4]; // Adjust size accordingly
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sprintf(coil_pw_output, "%.1fw", coil_pw); // Format float with 1 decimal place
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display.print(coil_pw_output);
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display.display(); // Rafraîchir l'écran
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}
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void checkBatteryVoltage(){
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// res bridge
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// Vout = Vin * (R2 / (R1 + R2))
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// R2 = (Vout / Vin) * R1
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// vout should be btw 1.5V & 2.1V
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// https://docs.arduino.cc/language-reference/en/functions/analog-io/analogReadResolution
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analogReadResolution(12); // btw 0 & 4095
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// https://docs.arduino.cc/language-reference/en/functions/analog-io/analogReference/
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analogReference(AR_INTERNAL2V23);
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digitalWrite(batVcheckActivatePin, LOW);
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int batv_mesure = analogRead(batVcheckMesurePin);
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digitalWrite(batVcheckActivatePin, HIGH);
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// SerialUSB.print("batv_mesure: ");
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// SerialUSB.print(batv_mesure);
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double batv = (batv_mesure * 2.23/4095.0)*2;
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// SerialUSB.print(", batv: ");
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// SerialUSB.print(batv);
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// SerialUSB.println("V");
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// range of 3.4V to 4.1V
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bat_prct = (batv - 3.4) / (4.1 - 3.4) * 100;
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// Clamp the percentage to [0, 100]
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bat_prct = constrain(bat_prct, 0, 100);
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}
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void loop() {
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if(plusBtn.getStateOnce() == 0){
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SerialUSB.println("Plus");
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coil_pw+=0.1;
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if (coil_pw >= 20){
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coil_pw = 20;
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}
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}
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if(moinsBtn.getStateOnce() == 0){
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SerialUSB.println("Moins");
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coil_pw-=0.1;
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if (coil_pw <= 5){
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coil_pw = 5;
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}
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}
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if(fireBtn.getState() == 0){
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analogWrite(LED_PIN, 255);
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}else{
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analogWrite(LED_PIN, 0);
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}
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if (fireBtn.getStateOnce() == 0){
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checkBatteryVoltage();
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}
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drawScreen();
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}
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