Add J1-19 pin setting as a button
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ecbe8c3376
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@ -54,6 +54,14 @@ void USB0_IRQHandler(void)
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#define LED_PIN_FUNCTION kPORT_MuxAsGpio
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#define LED_STATE_ON 0
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// Button
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#define BUTTON_PORT GPIOC
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#define BUTTON_PIN_CLOCK kCLOCK_PortC
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#define BUTTON_PIN_PORT PORTC
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#define BUTTON_PIN 9U
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#define BUTTON_PIN_FUNCTION kPORT_MuxAsGpio
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#define BUTTON_STATE_ACTIVE 0
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// UART
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#define UART_PORT UART0
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#define UART_PIN_CLOCK kCLOCK_PortA
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@ -86,6 +94,18 @@ void board_init(void)
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GPIO_PinInit(LED_PORT, LED_PIN, &led_config);
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board_led_write(false);
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#if defined(BUTTON_PORT) && defined(BUTTON_PIN)
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// Button
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CLOCK_EnableClock(BUTTON_PIN_CLOCK);
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port_pin_config_t button_port = {
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.pullSelect = kPORT_PullUp,
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.mux = BUTTON_PIN_FUNCTION,
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};
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PORT_SetPinConfig(BUTTON_PIN_PORT, BUTTON_PIN, &button_port);
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gpio_pin_config_t button_config = { kGPIO_DigitalInput, 0 };
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GPIO_PinInit(BUTTON_PORT, BUTTON_PIN, &button_config);
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#endif
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// UART
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CLOCK_EnableClock(UART_PIN_CLOCK);
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PORT_SetPinMux(UART_PIN_PORT, UART_PIN_RX, UART_PIN_FUNCTION);
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@ -119,6 +139,9 @@ void board_led_write(bool state)
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uint32_t board_button_read(void)
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{
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#if defined(BUTTON_PORT) && defined(BUTTON_PIN)
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return BUTTON_STATE_ACTIVE == GPIO_ReadPinInput(BUTTON_PORT, BUTTON_PIN);
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#endif
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return 0;
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}
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