Cave-a-Papa/code/cavapapa.ino

112 lines
3.0 KiB
C++
Executable File

/*
Cave_a_Papa
Copyright (C) 2017 Pierrick C.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation version 3 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program.
If not, see <http://www.gnu.org/licenses/>
*/
#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
#include <avr/power.h>
#endif
#define LED_PIN 0
#define RELAY_PIN 1
#define BAT_PIN 1 // Analog Input 1 = digital PIN 2
#define VMAX 486 // = ~13.5V avec des résistances de 47k et 10k
#define V_GREEN 431 // = ~12V tension pour vert pur
#define VMIN 395 // = ~11 V
#define V_ALERTE 413 // = ~11.5V provoque clignotement 3 fois rapide
#define V_OFF 388 // = ~10.8V provoque clignotement pendant 15s puis OFF
#define OFF_DELAY 15 // delais de clignotement (en secondes) avant extinction à l'atteinte de V_OFF
#define INIT_BLINK 100
Adafruit_NeoPixel neopix = Adafruit_NeoPixel(1, LED_PIN, NEO_RGB + NEO_KHZ800);
byte timer = 100;
byte low_bat_counter = 0;
int vbat = 0;
int red = 0;
int green = 0;
bool warned = 0;
void blink(int n=3, int t=500) {
for(int i=0;i<n;i++) {
digitalWrite(RELAY_PIN, LOW);
delay(t);
digitalWrite(RELAY_PIN, HIGH);
delay(t);
}
}
void setup() {
// This is for Trinket 5V 16MHz, you can remove these three lines if you are not using a Trinket
#if defined (__AVR_ATtiny85__)
if (F_CPU == 16000000) clock_prescale_set(clock_div_1);
#endif
// End of trinket special code
pinMode(RELAY_PIN, OUTPUT);
//pinMode(BAT_PIN, INPUT);
neopix.begin();
neopix.show(); // Initialize all pixels to 'off'
for (int i=0; i<4;i++) {
neopix.setPixelColor(0, 0, 0, 255);
neopix.show();
delay(INIT_BLINK);
neopix.setPixelColor(0, 0, 0, 0);
neopix.show();
delay(INIT_BLINK);
}
digitalWrite(RELAY_PIN, HIGH);
}
void loop() {
//Mesure de VBAT : moyenne de 10 mesures à 20ms d'intervale
vbat =0;
for(int i=0;i<10;i++) {
vbat += analogRead(BAT_PIN);
delay(20);
}
vbat /= 10;
// Calcul de la couleur et affichage sur la neopixel
red = map(constrain(vbat, VMIN, V_GREEN), VMIN, V_GREEN, 255, 0);
green = map(constrain(vbat, VMIN, V_GREEN), VMIN, V_GREEN, 0, 255);
neopix.setPixelColor(0, red, green, 0);
neopix.show();
if(vbat<V_ALERTE && !warned) {
blink();
warned = 1;
}
// Quand on atteint la limite basse, on incrémente un compteur
if(vbat<VMIN) { low_bat_counter++; }
// Si le compteur atteint la limite, la faible tension est validée : procédure d'extinction
if(vbat<VMIN && low_bat_counter>10) {
blink(OFF_DELAY, 500);
digitalWrite(RELAY_PIN, LOW);
while(1);
}
delay(1000);
}