55 lines
1005 B
C
55 lines
1005 B
C
#include <stdint.h>
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#include <stdbool.h>
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#include <avr/sleep.h>
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#include <avr/wdt.h>
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#include <avr/interrupt.h>
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#include "config.h"
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#include "adc.h"
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#include "moisture.h"
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#include "pump.h"
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#include "twi.h"
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volatile uint16_t lastMoistureVal = 0;
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volatile uint16_t *pLastMoistureVal = &lastMoistureVal;
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ISR(TWI_vect) {
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twiListen();
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}
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static void watchdogs(void) {
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cli();
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MCUSR &= ~(1 << WDRF);
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WDTCSR |= (1 << WDCE) | (1 << WDE);
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WDTCSR = (1 << WDIE) | (1 << WDP3) | (1 << WDP0);
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sei();
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}
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static inline void enterSleep(void) {
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set_sleep_mode(SLEEP_MODE_PWR_DOWN);
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sleep_enable();
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sleep_cpu();
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sleep_disable();
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}
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static void setup(void) {
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adcInit();
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twiInit();
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sensorsInit();
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pumpsInit();
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watchdogs();
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}
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int main(void) {
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setup();
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pLastMoistureVal = &lastMoistureVal;
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while(true) {
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if ((*pLastMoistureVal = moistureRead()) < MOISTURE_MIN) waterPlant();
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twiRespond();
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enterSleep();
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}
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return -1;
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}
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