diff options
Diffstat (limited to 'firmware/drivers/button.c')
| -rw-r--r-- | firmware/drivers/button.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/firmware/drivers/button.c b/firmware/drivers/button.c index c0cd046..cfe98e2 100644 --- a/firmware/drivers/button.c +++ b/firmware/drivers/button.c @@ -34,6 +34,9 @@ struct event_queue button_queue; long last_keypress; +#ifdef HAVE_RECORDER_KEYPAD +static bool flipped; /* bottons can be flipped to match the LCD flip */ +#endif /* how often we check to see if a button is pressed */ #define POLL_FREQUENCY HZ/20 @@ -212,6 +215,47 @@ void button_init() #endif queue_init(&button_queue); tick_add_task(button_tick); + last_keypress = current_tick; + flipped = false; +} + + +/* + * set the flip attribute + * better only call this when the queue is empty + */ +void button_set_flip(bool flip) +{ + flipped = flip; +} + + +/* + * helper function to swap UP/DOWN, LEFT/RIGHT, F1/F3 + */ +static int button_flip(int button) +{ + int newbutton; + + newbutton = button & + ~(BUTTON_UP | BUTTON_DOWN + | BUTTON_LEFT | BUTTON_RIGHT + | BUTTON_F1 | BUTTON_F3); + + if (button & BUTTON_UP) + newbutton |= BUTTON_DOWN; + if (button & BUTTON_DOWN) + newbutton |= BUTTON_UP; + if (button & BUTTON_LEFT) + newbutton |= BUTTON_RIGHT; + if (button & BUTTON_RIGHT) + newbutton |= BUTTON_LEFT; + if (button & BUTTON_F1) + newbutton |= BUTTON_F3; + if (button & BUTTON_F3) + newbutton |= BUTTON_F1; + + return newbutton; } /* @@ -276,6 +320,9 @@ static int button_read(void) #endif } } + + if (btn && flipped) + return button_flip(btn); /* swap upside down */ return btn; } |