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35 lines
975 B
C
35 lines
975 B
C
#include "contiki.h"
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#include "dev/battery-sensor.h"
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#include "lib/sensors.h"
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#include <stdio.h> /* For printf() */
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/*---------------------------------------------------------------------------*/
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PROCESS(battery_monitor_process, "Battery Voltage Monitor");
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AUTOSTART_PROCESSES(&battery_monitor_process);
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(battery_monitor_process, ev, data)
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{
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static struct etimer et;
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PROCESS_BEGIN();
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SENSORS_ACTIVATE(battery_sensor);
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while(1) {
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etimer_set(&et, CLOCK_SECOND * 2);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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/*
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* Battery voltage calculation formula
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*
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* V(Battery Voltage) = v(Voltage Reference) * 1024 / ADC
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*
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* Where:
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* v = 1.223
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*
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*/
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printf("ADC value : %d\n", battery_sensor.value(0));
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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