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49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/*
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* Routines to access hardware
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*
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* Copyright (c) 2013 Realtek Semiconductor Corp.
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*
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* This module is a confidential and proprietary property of RealTek and
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* possession or use of this module requires written permission of RealTek.
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*/
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#include "device.h"
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#include "gpio_api.h" // mbed
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#include "main.h"
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#define GPIO_LED_PIN PC_5
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#define GPIO_PUSHBT_PIN PC_4
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/**
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* @brief Main program.
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* @param None
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* @retval None
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*/
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//int main_app(IN u16 argc, IN u8 *argv[])
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void main(void)
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{
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gpio_t gpio_led;
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gpio_t gpio_btn;
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// Init LED control pin
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gpio_init(&gpio_led, GPIO_LED_PIN);
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gpio_dir(&gpio_led, PIN_OUTPUT); // Direction: Output
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gpio_mode(&gpio_led, PullNone); // No pull
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// Initial Push Button pin
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gpio_init(&gpio_btn, GPIO_PUSHBT_PIN);
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gpio_dir(&gpio_btn, PIN_INPUT); // Direction: Input
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gpio_mode(&gpio_btn, PullUp); // Pull-High
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while(1){
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if (gpio_read(&gpio_btn)) {
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// turn off LED
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gpio_write(&gpio_led, 0);
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}
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else {
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// turn on LED
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gpio_write(&gpio_led, 1);
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}
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}
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}
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