/* Sensor routine */ #include "lib/sensors.h" #include "dev/button-sensor.h" #include <avr/interrupt.h> #include "led.h" // debug const struct sensors_sensor button_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 BUTTON_BIT INTF5 #define BUTTON_CHECK_IRQ() (EIFR & BUTTON_BIT) ? 0 : 1 #define PRINTF(...) printf(__VA_ARGS__) /*---------------------------------------------------------------------------*/ ISR(INT5_vect) { // leds_toggle(LEDS_YELLOW); if(BUTTON_CHECK_IRQ()) { if(timer_expired(&debouncetimer)) { led1_on(); timer_set(&debouncetimer, CLOCK_SECOND / 4); sensors_changed(&button_sensor); led1_off(); } } } /*---------------------------------------------------------------------------*/ static int value(int type) { return (PORTE & _BV(PE5) ? 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<<DDE5); // Set pin as input PORTE |= (1<<PORTE5); // Set port PORTE bint 5 with pullup resistor EICRB |= (2<<ISC50); // For falling edge EIMSK |= (1<<INT5); // Set int enabled = 1; sei(); led1_off(); } } else { enabled = 0; EIMSK &= ~(1<<INT5); // clear int } return 1; } return 0; } static int status(int type) { switch (type) { case SENSORS_ACTIVE: case SENSORS_READY: return enabled;//(EIMSK & (1<<INT5) ? 0 : 1);//BUTTON_IRQ_ENABLED(); } return 0; } SENSORS_SENSOR(button_sensor, BUTTON_SENSOR, value, configure, status);