diff options
Diffstat (limited to 'board/cr50/board.c')
| -rw-r--r-- | board/cr50/board.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/board/cr50/board.c b/board/cr50/board.c index 31bfdf036a..92a6808c11 100644 --- a/board/cr50/board.c +++ b/board/cr50/board.c @@ -11,14 +11,29 @@ #include "task.h" #include "util.h" +/* + * There's no way to trigger on both rising and falling edges, so force a + * compiler error if we try. The workaround is to use the pinmux to connect + * two GPIOs to the same input and configure each one for a separate edge. + */ +#undef GPIO_INT_BOTH +#define GPIO_INT_BOTH NOT_SUPPORTED_ON_CR50 + #include "gpio_list.h" +/* Interrupt handler for button pushes */ void button_event(enum gpio_signal signal) { - int val = gpio_get_level(signal); - ccprintf("Button %d = %d\n", signal, gpio_get_level(signal)); + int v; + + /* We have two GPIOs on the same input (one rising edge, one falling + * edge), so de-alias them */ + if (signal >= GPIO_SW_N_) + signal -= (GPIO_SW_N_ - GPIO_SW_N); - gpio_set_level(GPIO_LED_4, val); + v = gpio_get_level(signal); + ccprintf("Button %d = %d\n", signal, v); + gpio_set_level(signal - GPIO_SW_N + GPIO_LED_4, v); } /* Initialize board. */ @@ -28,5 +43,9 @@ static void board_init(void) gpio_enable_interrupt(GPIO_SW_S); gpio_enable_interrupt(GPIO_SW_W); gpio_enable_interrupt(GPIO_SW_E); + gpio_enable_interrupt(GPIO_SW_N_); + gpio_enable_interrupt(GPIO_SW_S_); + gpio_enable_interrupt(GPIO_SW_W_); + gpio_enable_interrupt(GPIO_SW_E_); } DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); |