eeeck
1721be5e66
- This was done at the very beginning when i thought to develop this part of the program in a different way. It is unnecessary with how I actually ended up to structure the program. - WDT should manage TWI only, as per current developement
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
#include <stdint.h>
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#include <stdbool.h>
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include "moisture.h"
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#include "config.h"
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#include "adc.h"
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volatile bool readSensors = false;
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void sensorsInit(void) {
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uint8_t sensorMask = 0;
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for (uint8_t i = 0; i < SENSORS_NUM; i++) {
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sensorMask |= (1 << sensorPins[i]);
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}
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DDRC &= ~sensorMask;
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PORTC &= ~sensorMask;
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}
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static uint16_t moistureAverage(uint8_t sensorPin) {
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uint16_t sum = 0;
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for (uint8_t i = 0; i < SENSOR_READINGS; i++) {
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sum += adcRead(sensorPin);
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//TODO: implement variance check (if over a certain variance discard measurements for this cycle)
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//TODO IMPORTANT: if value < 1 or > 1022, discard that measurement
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}
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return sum / SENSOR_READINGS;
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}
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uint16_t moistureRead(void) {
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uint16_t overallSum = 0;
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for (uint8_t i = 0; i < SENSORS_NUM; i++) {
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uint16_t sensorAverage = moistureAverage(sensorPins[i]);
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//TODO: if a sensor gives 1023, discard that sensor entirely (means it is disconnected or not working)
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overallSum += sensorAverage;
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}
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return overallSum / SENSORS_NUM;
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}
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