diff options
| author | kkitayam <[email protected]> | 2021-09-15 20:21:30 +0900 |
|---|---|---|
| committer | kkitayam <[email protected]> | 2021-09-15 21:32:53 +0900 |
| commit | 46bb821753e677e5048f31c07fb26e2427f79ac2 (patch) | |
| tree | d87b398b06c8923a5bbd92576b3841c2a717b466 | |
| parent | ecbe8c3376038317269c30af6d47a399e4f6b6d5 (diff) | |
Add J1-19 pin setting as a button
| -rw-r--r-- | hw/bsp/frdm_kl25z/frdm_kl25z.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/hw/bsp/frdm_kl25z/frdm_kl25z.c b/hw/bsp/frdm_kl25z/frdm_kl25z.c index 7cfbaab85..cdc996bc2 100644 --- a/hw/bsp/frdm_kl25z/frdm_kl25z.c +++ b/hw/bsp/frdm_kl25z/frdm_kl25z.c @@ -54,6 +54,14 @@ void USB0_IRQHandler(void) #define LED_PIN_FUNCTION kPORT_MuxAsGpio #define LED_STATE_ON 0 +// Button +#define BUTTON_PORT GPIOC +#define BUTTON_PIN_CLOCK kCLOCK_PortC +#define BUTTON_PIN_PORT PORTC +#define BUTTON_PIN 9U +#define BUTTON_PIN_FUNCTION kPORT_MuxAsGpio +#define BUTTON_STATE_ACTIVE 0 + // UART #define UART_PORT UART0 #define UART_PIN_CLOCK kCLOCK_PortA @@ -86,6 +94,18 @@ void board_init(void) GPIO_PinInit(LED_PORT, LED_PIN, &led_config); board_led_write(false); +#if defined(BUTTON_PORT) && defined(BUTTON_PIN) + // Button + CLOCK_EnableClock(BUTTON_PIN_CLOCK); + port_pin_config_t button_port = { + .pullSelect = kPORT_PullUp, + .mux = BUTTON_PIN_FUNCTION, + }; + PORT_SetPinConfig(BUTTON_PIN_PORT, BUTTON_PIN, &button_port); + gpio_pin_config_t button_config = { kGPIO_DigitalInput, 0 }; + GPIO_PinInit(BUTTON_PORT, BUTTON_PIN, &button_config); +#endif + // UART CLOCK_EnableClock(UART_PIN_CLOCK); PORT_SetPinMux(UART_PIN_PORT, UART_PIN_RX, UART_PIN_FUNCTION); @@ -119,6 +139,9 @@ void board_led_write(bool state) uint32_t board_button_read(void) { +#if defined(BUTTON_PORT) && defined(BUTTON_PIN) + return BUTTON_STATE_ACTIVE == GPIO_ReadPinInput(BUTTON_PORT, BUTTON_PIN); +#endif return 0; } |