firmware source moved into subdirectory

[bike-lights.git] / buttons.c

diff --git a/buttons.c b/buttons.c
deleted file mode 100644 (file)
index d5a18be..0000000
--- a/buttons.c
+++ /dev/null
@@ -1,104 +0,0 @@
-#include <avr/io.h>
-#include <avr/interrupt.h>
-#include <avr/sleep.h>
-
-#include "lights.h"
-
-static uint16_t button_start[N_BUTTONS];
-static unsigned char button_pressed[N_BUTTONS];
-
-static unsigned char sleep_after_release;
-
-void init_buttons()
-{
-       DDRB &= ~(_BV(PB6) | _BV(PB0));
-       PORTB |= _BV(PB6) | _BV(PB0);
-
-       sleep_after_release = 0;
-       // log_byte(PORTB);
-}
-
-static void inline long_press(unsigned char n)
-{
-       sleep_after_release = 1;
-       gpio_set(1, 1);
-}
-
-static void do_sleep()
-{
-       // led_set_status(2);
-       // MCUCR |= _BV(ISC00); // any edge generates IRQ
-       log_byte(0xb0);
-       log_flush();
-       set_sleep_mode(SLEEP_MODE_PWR_DOWN);
-       PORTA = 0;
-       PORTB = 0;
-       DDRA = 0;
-       DDRB = 0;
-       GIMSK |= _BV(INT0); // enable INT0
-       sleep_enable();
-       sei();
-       sleep_cpu();
-       sleep_disable();
-       cli();
-       GIMSK &= ~_BV(INT0); // disable INT0
-       hw_setup();
-}
-
-static void inline short_press(unsigned char n)
-{
-       led_set_status(1);
-}
-
-void timer_check_buttons()
-{
-       unsigned char pinb = PINB;
-       unsigned char i;
-       unsigned char port_states[N_BUTTONS] = {
-               pinb & _BV(PB6),
-               pinb & _BV(PB0),
-       };
-       for (i = 0; i < N_BUTTONS; i++) {
-               if (!port_states[i]) { // is pressed
-                       if (button_pressed[i] == 0) {
-                               // begin of button press
-                               button_pressed[i] = 1;
-                               button_start[i] = jiffies;
-#if 0
-                               // log_byte(0xC0);
-                               // log_word(jiffies);
-#endif
-                       } else if (button_pressed[i] == 1) {
-                               // been already pressed
-                               uint16_t duration = jiffies - button_start[i];
-                               if (duration > 80) {
-                                       // long button press
-                                       button_pressed[i] = 2;
-                                       long_press(i);
-                               }
-                       }
-               } else { // is not pressed
-                       if (button_pressed[i]) { // just depressed
-                               uint16_t duration = jiffies - button_start[i];
-#if 1
-                               log_byte(0xC1);
-                               log_word(duration);
-                               log_flush();
-#endif
-                               button_pressed[i] = 0;
-                               if (duration > 6 && duration < 30)
-                                       short_press(i);
-                               if (sleep_after_release)
-                                       do_sleep();
-                       }
-               }
-       }
-}
-
-ISR(INT0_vect)
-{
-       hw_setup();
-       log_byte(0xbb);
-       log_flush();
-}
-