58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
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#include "contiki.h"
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#include "dev/light-sensor.h"
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#include "dev/sht11-sensor.h"
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#include <stdio.h> /* For printf() */
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float getTemperature(void)
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{
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int tempData;
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// NOTE: You only need to use one of the following
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// If you run the code in Cooja Simulator, please remove the second one
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//tempData = sht11_sensor.value(SHT11_SENSOR_TEMP_SKYSIM); // For Cooja Sim
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tempData = sht11_sensor.value(SHT11_SENSOR_TEMP); // For XM1000 mote
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float temp = tempData; // you need to implement the transfer function here
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return temp;
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}
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float getLight(void)
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{
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int lightData = light_sensor.value(LIGHT_SENSOR_PHOTOSYNTHETIC);
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float light = lightData; // you need to implement the transfer function here
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return light;
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}
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/*---------------------------------------------------------------------------*/
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PROCESS(sensor_reading_process, "Sensor reading process");
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AUTOSTART_PROCESSES(&sensor_reading_process);
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(sensor_reading_process, ev, data)
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{
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static struct etimer timer;
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PROCESS_BEGIN();
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etimer_set(&timer, CLOCK_CONF_SECOND/4); // you need to put the correct
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// timer setting here
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SENSORS_ACTIVATE(light_sensor);
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SENSORS_ACTIVATE(sht11_sensor);
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static int counter = 0;
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while(1)
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{
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PROCESS_WAIT_EVENT_UNTIL(ev=PROCESS_EVENT_TIMER);
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float temp = getTemperature();
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float light_lx = getLight();
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printf("%d\n", ++counter); // you should also print the temperature
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// and light intensity here
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etimer_reset(&timer);
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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