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16
README.md
16
README.md
@ -1,7 +1,17 @@
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# Minuteur
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Basé sur un ESP32-CAM, pour interrompre une alimentation USB (via transistor ou relais ?).
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Basé sur un ESP8266 D1 Mini Wemos, pour interrompre une alimentation USB (via transistor ou relais ?).
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Temps réglable (MM:SS), boutons poussoirs ou encodeur rotatif, mini afficheur oled.
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Temps réglable en secondes.
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Utilisation d'un encodeur rotatif, d'un mini afficheur oled et d'un module relais.
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## Schéma de principe
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# Environnement
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VSCodium et PlatformIO
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## Librairies utilisées
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adafruit/Adafruit SSD1306@^2.5.7
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adafruit/Adafruit GFX Library@^1.11.7
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mathertel/RotaryEncoder@^1.5.3
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*Voir le fichier platformio.ini pour les dernières mise à jour.*
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## Schéma
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Binary file not shown.
Before Width: | Height: | Size: 128 KiB After Width: | Height: | Size: 179 KiB |
@ -8,9 +8,10 @@
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; Please visit documentation for the other options and examples
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; https://docs.platformio.org/page/projectconf.html
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[env:esp32cam]
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platform = espressif32
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board = esp32cam
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[env:d1_mini_lite]
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platform = espressif8266
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board = d1_mini_lite
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upload_protocol = esptool
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framework = arduino
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lib_deps =
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adafruit/Adafruit SSD1306@^2.5.7
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63
src/main.cpp
63
src/main.cpp
@ -4,6 +4,7 @@
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#include <Adafruit_GFX.h>
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#include <Adafruit_SSD1306.h>
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#include <RotaryEncoder.h>
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#include <EEPROM.h>
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#define SCREEN_WIDTH 128 // OLED display width, in pixels
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#define SCREEN_HEIGHT 64 // OLED display height, in pixels
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@ -14,25 +15,22 @@
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#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
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Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
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#define SDA 12
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#define SCL 13
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//#define SDA 4
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//#define SCL 5
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#define SORTIE_RELAIS 16
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#define LED_FLASH 4
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#define LED_BUILTIN 33
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#define ENCROT_A 14
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#define ENCROT_B 15
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#define ENCROT_BP 2
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#define ENCROT_A 12
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#define ENCROT_B 13
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#define ENCROT_BP 14
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// Setup a RotaryEncoder with 2 steps per latch for the 2 signal input pins:
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RotaryEncoder encoder(ENCROT_A, ENCROT_B, RotaryEncoder::LatchMode::TWO03);
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// durée par défaut en secondes
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int count = 12;
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bool decompteStatut = false;
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unsigned long LastUpdate = 0;
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int count;
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bool statutDecompte = 0;
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unsigned long LastUpdateTimer = 0;
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unsigned long LastReadBP = 0;
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#define LOGO_HEIGHT 32
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@ -56,7 +54,12 @@ void setup() {
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pinMode(ENCROT_BP, INPUT);
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pinMode(SORTIE_RELAIS, OUTPUT);
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digitalWrite(SORTIE_RELAIS, LOW);
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//Init EEPROM
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EEPROM.begin(1);
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EEPROM.get(0, count);
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//Init I2C
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Wire.begin(SDA, SCL); // join i2c bus (address optional for master)
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Serial.begin(115200); // start serial for output
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@ -66,6 +69,7 @@ void setup() {
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for(;;); // Don't proceed, loop forever
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}
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encoder.setPosition(count);
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// Clear the buffer
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display.clearDisplay();
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@ -83,13 +87,14 @@ void loop() {
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display.setTextSize(6);
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display.setTextColor(SSD1306_WHITE); // Draw white text
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unsigned long currentMillis = millis();
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int newPos;
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if (decompteStatut) {
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if (statutDecompte) { // on est en mode de compte à rebours
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if (count > 0) {
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if (currentMillis - LastUpdate >= 1000) {
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--count;
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LastUpdate = currentMillis;
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if (currentMillis - LastUpdateTimer >= 1000) {
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LastUpdateTimer = currentMillis;
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--count;
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display.clearDisplay();
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display.setCursor(0, 20);
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display.println(count);
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@ -97,14 +102,20 @@ void loop() {
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}
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}
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else {
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decompteStatut = 0;
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statutDecompte = 0;
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count = encoder.getPosition();
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display.clearDisplay();
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display.setCursor(0, 20);
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display.println(count);
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display.display();
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}
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}
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else {
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else { // on est en mode réglage / pause
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static int pos = 0;
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encoder.tick();
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int newPos = encoder.getPosition();
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newPos = encoder.getPosition();
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if (pos != newPos) {
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if (newPos < 0) {
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newPos = 0;
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@ -119,10 +130,18 @@ void loop() {
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} // if
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}
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if (!digitalRead(ENCROT_BP) && (LastReadBP - currentMillis > 250)){
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if (digitalRead(ENCROT_BP) && (currentMillis - LastReadBP > 250)){
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LastReadBP = currentMillis;
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decompteStatut = !decompteStatut;
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statutDecompte = !statutDecompte;
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if (statutDecompte) {
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LastUpdateTimer = currentMillis;
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EEPROM.put(0, count);
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EEPROM.commit();
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}
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else {
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encoder.setPosition(count);
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}
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}
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digitalWrite(SORTIE_RELAIS, decompteStatut);
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digitalWrite(SORTIE_RELAIS, statutDecompte);
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}
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