#include <avr/interrupt.h>
#include <avr/sleep.h>
#include <util/delay.h>
+#include <stdlib.h> // for NULL
#include "lights.h"
+#define WAKEUP_LIMIT 5 // times 100 ms
static uint16_t button_start[N_BUTTONS];
static unsigned char prev_pin;
static uint16_t user_params_starttime;
-static void toggle_bright_mode()
+static void inline set_status_led(unsigned char n, pattern_t *pattern)
{
- // TODO
+ led_set_pattern(n + N_PWMLEDS, pattern);
}
-static void set_panic_mode()
+unsigned char buttons_setup_in_progress()
{
- // TODO
+ if (user_params_state // setup in progress ...
+ // or at least one button is pressed:
+ || !(prev_pin & _BV(PA3))
+ || !(prev_pin & _BV(PA4)))
+ return 1;
+ return 0;
+}
+
+pattern_t *buttons_setup_status0_pattern_select()
+{
+ if (user_params_state) // Setup in progress
+ return number_pattern(user_params_state, 1);
+ else
+ return NULL;
+}
+
+pattern_t *buttons_setup_status1_pattern_select()
+{
+ if (user_params_state) // Setup in progress
+ return number_pattern(
+ 1 + user_params[user_params_state-1],
+ 1
+ );
+ else
+ return NULL;
}
unsigned char get_user_param(unsigned char param)
if (user_params_state == 0) {
if (button == 0)
- toggle_bright_mode();
+ toggle_dim_mode();
else
set_panic_mode();
return;
if (user_params[param])
user_params[param]--;
else
- user_params[param] = user_params_max[param];
+ user_params[param] = user_params_max[param]-1;
} else {
user_params[param]++;
}
// FIXME: notify somebody about user_params change?
- // set_status_led(2, user_params[param]);
+ set_status_led(1, buttons_setup_status1_pattern_select());
user_params_starttime = jiffies;
}
// button 1 - cycle through states
user_params_state++;
- if (user_params_state >= MAX_USER_PARAMS)
+ if (user_params_state > MAX_USER_PARAMS)
user_params_state = 1;
- // set_status_led(1, state);
+ set_status_led(0, buttons_setup_status0_pattern_select());
+ set_status_led(1, buttons_setup_status1_pattern_select());
user_params_starttime = jiffies;
}
void init_buttons()
{
- unsigned char i;
+ DDRA &= ~(_BV(PA3) | _BV(PA4)); // set as input
+ PORTA |= _BV(PA3) | _BV(PA4); // enable internal pull-ups
- DDRA &= ~(_BV(PA3) | _BV(PA4));
- PORTA |= _BV(PA3) | _BV(PA4);
+ GIMSK &= ~(_BV(PCIE0) | _BV(PCIE1)); // disable pin-change IRQs
+ PCMSK0 = 0; // disable pin-change IRQs on all pins of port A
+ PCMSK1 = 0; // disable pin-change IRQs on all pins of port B
button_start[0] = 0;
button_start[1] = 0;
prev_pin = _BV(PA3) | _BV(PA4);
+ user_params_state = 0;
}
-void timer_check_buttons()
+void susp_buttons()
{
- unsigned char pin = PINA & (_BV(PA3) | _BV(PA4));
-
- handle_button(0, pin & _BV(PA3), prev_pin & _BV(PA3));
- handle_button(1, pin & _BV(PA4), prev_pin & _BV(PA4));
+ DDRA &= ~(_BV(PA3) | _BV(PA4)); // set as input
+ PORTA |= _BV(PA3) | _BV(PA4); // enable internal pull-ups
- prev_pin = pin;
+ GIMSK &= ~_BV(PCIE1); // disable pin-change IRQ on port B
+ GIMSK |= _BV(PCIE0);
- if (jiffies - user_params_starttime > 500) {
- user_params_state = 0;
- // set_status_led(0, idle);
- // set_status_led(1, idle);
- }
+ PCMSK0 = _BV(PCINT3) | _BV(PCINT4);
+ // disable pin-change IRQs on all pins except PA3,PA4
+ PCMSK1 = 0; // disable pin-change IRQs on all pins of port B
}
static void handle_button(unsigned char button, unsigned char cur,
{
// BEWARE: pins are at _zero_ when pressed!
if (!cur && prev) { // --- just pressed ---
- button_start[i] = jiffies;
- // set_status_led(button, 0);
+ button_start[button] = jiffies;
+ set_status_led(button, NULL);
} else if (!cur && !prev) { // --- is still pressed ---
- uint16_t duration = jiffies - button_start[i];
+ uint16_t duration = jiffies - button_start[button];
if (duration > 80) {
- // set_status_led(button, 1); // acknowledge long press
+ set_status_led(button, on1_pattern);
+ // acknowledge long press
}
} else if (cur && !prev) { // --- just released ---
- uint16_t duration = jiffies - button_start[i];
+ uint16_t duration = jiffies - button_start[button];
- if (duration > 6 && duration < 30)
+ if (duration > 6 && duration < 30) {
short_press(button);
} else if (duration > 80) {
- // set_status_led(button, 0);
+ set_status_led(button, NULL);
long_press(button);
}
// ignore other button-press durations
}
}
+void timer_check_buttons()
+{
+ unsigned char pin = PINA & (_BV(PA3) | _BV(PA4));
+
+ handle_button(0, pin & _BV(PA3), prev_pin & _BV(PA3));
+ handle_button(1, pin & _BV(PA4), prev_pin & _BV(PA4));
+
+ prev_pin = pin;
+
+ if (user_params_state && jiffies - user_params_starttime > 1000) {
+ user_params_state = 0;
+ set_status_led(0, buttons_setup_status0_pattern_select());
+ set_status_led(1, buttons_setup_status1_pattern_select());
+ }
+}
+
+unsigned char buttons_wait_for_release()
+{
+ uint16_t wake_count = 0;
+ unsigned char pin;
+
+ do {
+ if (wake_count++ > WAKEUP_LIMIT)
+ gpio_set(0, 1); // inform the user
+
+ _delay_ms(100);
+
+ pin = PINA & (_BV(PA3) | _BV(PA4));
+ } while (!(pin & _BV(PA3)) || !(pin & _BV(PA4)));
+
+ gpio_set(0, 0);
+
+ return wake_count > WAKEUP_LIMIT;
+
+}
+
+ISR(PCINT_vect)
+{
+ // empty - let it wake us from sleep, but do nothing else
+}
+
https://www.fi.muni.cz/~kas/git / bike-lights.git / blobdiff