X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?p=bike-lights.git;a=blobdiff_plain;f=firmware%2Fbuttons.c;h=2419e89e86dd83b2d1091094193e52dc797f0f78;hp=467a09ab84f54f910ebba3adb32007c16beb23c3;hb=87b9093fd54402618c297aaacbfa68bad80302e9;hpb=63d8caf3a232630160a7af8c371b98351cd534bc diff --git a/firmware/buttons.c b/firmware/buttons.c index 467a09a..2419e89 100644 --- a/firmware/buttons.c +++ b/firmware/buttons.c @@ -20,6 +20,30 @@ static unsigned char user_params_state = 0; static uint16_t user_params_starttime; +static void inline set_status_led(unsigned char n, pattern_t *pattern) +{ + led_set_pattern(n + N_PWMLEDS, pattern); +} + +pattern_t *status_pattern_select(unsigned char n) +{ + if (user_params_state) // Setup in progress + return number_pattern(n == 0 + ? user_params_state + : 1 + user_params[user_params_state-1] + ); + else if (!(prev_pin & _BV(PA3)) || !(prev_pin & _BV(PA4))) + // at least one button is pressed + return off_pattern; + // otherwise, an ordinary state + if (n == 0) { + // error led + return number_pattern(1 + ambient_zone); + } else { + return off_pattern; // for now + } +} + static void toggle_bright_mode() { // TODO @@ -64,7 +88,7 @@ static inline void short_press(unsigned char button) } // FIXME: notify somebody about user_params change? - // set_status_led(2, user_params[param]); + set_status_led(1, status_pattern_select(1)); user_params_starttime = jiffies; } @@ -82,14 +106,13 @@ static inline void long_press(unsigned char button) if (user_params_state >= MAX_USER_PARAMS) user_params_state = 1; - // set_status_led(1, state); + set_status_led(0, status_pattern_select(0)); + set_status_led(1, status_pattern_select(1)); user_params_starttime = jiffies; } void init_buttons() { - unsigned char i; - DDRA &= ~(_BV(PA3) | _BV(PA4)); PORTA |= _BV(PA3) | _BV(PA4); @@ -98,46 +121,47 @@ void init_buttons() prev_pin = _BV(PA3) | _BV(PA4); } -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 (jiffies - user_params_starttime > 500) { - user_params_state = 0; - // set_status_led(0, idle); - // set_status_led(1, idle); - } -} - static void handle_button(unsigned char button, unsigned char cur, unsigned char prev) { // 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, off_pattern); } 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, on_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, off_pattern); 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 (jiffies - user_params_starttime > 500) { + user_params_state = 0; + set_status_led(0, status_pattern_select(0)); + set_status_led(1, status_pattern_select(1)); + } +} +