contiki/platform/mbxxx/board-mbxxx.c

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/*#include PLATFORM_HEADER
#include BOARD_HEADER
#include "hal/micro/micro-common.h"
#include "hal/micro/cortexm3/micro-common.h"*/
#include "dev/button-sensor.h"
#include "dev/temperature-sensor.h"
#include "dev/acc-sensor.h"
static uint8_t sensors_status;
#define BUTTON_STATUS_ACTIVE (1 << 0)
#define TEMP_STATUS_ACTIVE (1 << 1)
#define ACC_STATUS_ACTIVE (1 << 2)
/* Remember state of sensors (if active or not), in order to
* resume their original state after calling powerUpSensors().
* Useful when entering in sleep mode, since all system
* peripherals have to be reinitialized. */
void sensorsPowerDown(){
sensors_status = 0;
if(button_sensor.status(SENSORS_READY)){
sensors_status |= BUTTON_STATUS_ACTIVE;
}
if(temperature_sensor.status(SENSORS_READY)){
sensors_status |= TEMP_STATUS_ACTIVE;
}
if(acc_sensor.status(SENSORS_READY)){
sensors_status |= ACC_STATUS_ACTIVE;
// Power down accelerometer to save power
SENSORS_DEACTIVATE(acc_sensor);
}
}
/**/
void sensorsPowerUp(){
button_sensor.configure(SENSORS_HW_INIT, 0);
temperature_sensor.configure(SENSORS_HW_INIT, 0);
acc_sensor.configure(SENSORS_HW_INIT, 0);
if(sensors_status & BUTTON_STATUS_ACTIVE){
SENSORS_ACTIVATE(button_sensor);
}
if(sensors_status & TEMP_STATUS_ACTIVE){
SENSORS_ACTIVATE(temperature_sensor);
}
if(sensors_status & ACC_STATUS_ACTIVE){
SENSORS_ACTIVATE(acc_sensor);
}
}