85 lines
1.7 KiB
C
85 lines
1.7 KiB
C
/* Sensor routine */
|
|
#include "contiki.h"
|
|
#include "lib/sensors.h"
|
|
#include "dev/pir-sensor.h"
|
|
|
|
#include <avr/interrupt.h>
|
|
#include "led.h" // debug
|
|
|
|
const struct sensors_sensor pir_sensor;
|
|
|
|
static struct timer debouncetimer;
|
|
static int status(int type);
|
|
static int enabled = 0;
|
|
struct sensors_sensor *sensors[1];
|
|
unsigned char sensors_flags[1];
|
|
|
|
#define PIR_BIT INTF6
|
|
#define PIR_CHECK_IRQ() (EIFR & PIR_BIT) ? 0 : 1
|
|
|
|
#define PRINTF(...) printf(__VA_ARGS__)
|
|
/*---------------------------------------------------------------------------*/
|
|
ISR(INT6_vect)
|
|
{
|
|
|
|
// leds_toggle(LEDS_YELLOW);
|
|
|
|
if(PIR_CHECK_IRQ()) {
|
|
if(timer_expired(&debouncetimer)) {
|
|
led1_on();
|
|
timer_set(&debouncetimer, CLOCK_SECOND / 4);
|
|
sensors_changed(&pir_sensor);
|
|
led1_off();
|
|
}
|
|
}
|
|
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
static int
|
|
value(int type)
|
|
{
|
|
return (PORTE & _BV(PE6) ? 0 : 1) || !timer_expired(&debouncetimer);
|
|
//return 0;
|
|
}
|
|
|
|
static int
|
|
configure(int type, int c)
|
|
{
|
|
switch (type) {
|
|
case SENSORS_ACTIVE:
|
|
if (c) {
|
|
if(!status(SENSORS_ACTIVE)) {
|
|
led1_on();
|
|
timer_set(&debouncetimer, 0);
|
|
DDRE |= (0<<DDE6); // Set pin as input
|
|
PORTE |= (1<<PORTE6); // Set port PORTE bint 6 with pullup resistor
|
|
EICRB |= (3<<ISC60); // For rising edge
|
|
EIMSK |= (1<<INT6); // Set int
|
|
enabled = 1;
|
|
sei();
|
|
led1_off();
|
|
}
|
|
} else {
|
|
enabled = 0;
|
|
EIMSK &= ~(1<<INT6); // clear int
|
|
}
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
status(int type)
|
|
{
|
|
switch (type) {
|
|
case SENSORS_ACTIVE:
|
|
case SENSORS_READY:
|
|
return enabled;//(EIMSK & (1<<INT6) ? 0 : 1);//PIR_IRQ_ENABLED();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
SENSORS_SENSOR(pir_sensor, PIR_SENSOR,
|
|
value, configure, status);
|
|
|