buttons.c: param setup fixes

[bike-lights.git] / firmware / buttons.c

diff --git a/firmware/buttons.c b/firmware/buttons.c
index 467a09ab84f54f910ebba3adb32007c16beb23c3..679d958cbec7e1585ae0e661a0140a740d0f3370 100644 (file)
--- 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 jiffies > 500 ? number_pattern(2) : zero_pattern; // for now
+       }
+}
+
 static void toggle_bright_mode()
 {
        // TODO
@@ -55,7 +79,7 @@ static inline void short_press(unsigned char button)
                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]++;
 
@@ -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;
 }
@@ -79,39 +103,23 @@ static inline void long_press(unsigned char button)
        // 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, 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);
 
        button_start[0] = 0;
        button_start[1] = 0;
        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);
-       }
+       user_params_state = 0;
 }
 
 static void handle_button(unsigned char button, unsigned char cur,
@@ -119,25 +127,42 @@ 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, 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 (user_params_state && jiffies - user_params_starttime > 1000) {
+               user_params_state = 0;
+               set_status_led(0, status_pattern_select(0));
+               set_status_led(1, status_pattern_select(1));
+       }
+}
+