145 lines
3.5 KiB
C++
145 lines
3.5 KiB
C++
/*
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Cave_a_Papa
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Copyright (C) 2017 Pierrick C.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation version 3 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program.
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If not, see <http://www.gnu.org/licenses/>
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*/
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#ifdef __AVR__
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#include <avr/power.h>
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#endif
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#define LED_R_PIN 11
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#define LED_V_PIN 10
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#define LED_B_PIN 9
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#define RELAY_PIN 2
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#define BAT_PIN A1 // Analog Input 0 = digital PIN 2
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#define VMAX 1250
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#define V_GREEN 1170 // tension pour vert pur
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#define VMIN 950
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#define V_ALERTE 970 // provoque clignotement 3 fois rapide
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#define V_OFF 920 // provoque clignotement pendant 15s puis OFF
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#define OFF_DELAY 10 // delais de clignotement (en secondes) avant extinction à l'atteinte de V_OFF
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#define INIT_BLINK 100
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byte timer = 100;
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byte low_bat_counter = 0;
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int abat = 0;
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int analog = 0;
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int red = 0;
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int green = 0;
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float vbat = 0;
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bool warned = 0;
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void blink(int n=3, int t=500) {
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for(int i=0;i<n;i++) {
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digitalWrite(RELAY_PIN, LOW);
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delay(t);
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digitalWrite(RELAY_PIN, HIGH);
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delay(t);
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}
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}
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void setup() {
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analogReference(DEFAULT);
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Serial.begin(9600);
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pinMode(RELAY_PIN, OUTPUT);
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pinMode(LED_R_PIN, OUTPUT);
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pinMode(LED_V_PIN, OUTPUT);
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pinMode(LED_B_PIN, OUTPUT);
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analogWrite(LED_R_PIN, 0);
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analogWrite(LED_V_PIN, 0);
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analogWrite(LED_B_PIN, 0);
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//pinMode(BAT_PIN, INPUT);
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Serial.print("Démarrage...");
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for (int i=0; i<4;i++) {
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analogWrite(LED_B_PIN, 255);
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delay(INIT_BLINK);
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analogWrite(LED_B_PIN, 0);
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delay(INIT_BLINK);
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}
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digitalWrite(RELAY_PIN, HIGH);
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Serial.println("OK!");
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}
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void loop() {
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//Mesure de VBAT : moyenne de 10 mesures à 20ms d'intervale
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abat = 0;
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for(int i=0;i<10;i++) {
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analog = analogRead(BAT_PIN);
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abat += analog;
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/* Serial.print(i);
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Serial.print(" : ");
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Serial.println(analog);
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*/
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delay(10);
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}
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abat /= 10;
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vbat = (0.8+(5.7*abat*5.0/1024))*100;
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// Serial.print("Brut: ");
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// Serial.println(abat);
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Serial.print("Tension:");
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Serial.print(vbat/100);
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Serial.println(" V");
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// Calcul de la couleur et affichage sur la neopixel
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red = map(constrain(vbat, VMIN, V_GREEN), VMIN, V_GREEN, 255, 0);
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green = map(constrain(vbat, VMIN, V_GREEN), VMIN, V_GREEN, 0, 255);
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analogWrite(LED_R_PIN, red);
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analogWrite(LED_V_PIN, green);
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analogWrite(LED_B_PIN, 0);
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Serial.print("Rouge: ");
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Serial.println(red);
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Serial.print("Vert: ");
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Serial.println(green);
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if(vbat<V_ALERTE && !warned) {
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Serial.println("Alerte! batterie faible !");
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blink();
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warned = 1;
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}
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// Quand on atteint la limite basse, on incrémente un compteur
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if(vbat<VMIN) { low_bat_counter++; }
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// Si le compteur atteint la limite, la faible tension est validée : procédure d'extinction
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if(vbat<VMIN && low_bat_counter>10) {
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Serial.println("Extinction : batterie trop faible");
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blink(OFF_DELAY, 500);
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digitalWrite(RELAY_PIN, LOW);
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while(1) {
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for(int i=0;i<50;i++) {
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analogWrite(LED_R_PIN, i);
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delay(15);
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}
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for(int i=50;i>0;i--) {
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analogWrite(LED_R_PIN, i);
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delay(15);
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}
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}
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}
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delay(2000);
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}
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