Add J1-19 pin setting as a button

This commit is contained in:
kkitayam 2021-09-15 20:21:30 +09:00
parent ecbe8c3376
commit 46bb821753
1 changed files with 23 additions and 0 deletions

View File

@ -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;
}