71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
/*
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* Copyright (C) 2014-2017 Infineon Technologies AG. All rights reserved.
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*
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* Infineon Technologies AG (Infineon) is supplying this software for use with
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* Infineon's microcontrollers.
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* This file can be freely distributed within development tools that are
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* supporting such microcontrollers.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
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* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
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* INFINEON SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL,
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* OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
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*
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*/
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/**
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* @file
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* @date 02 Feb, 2017
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* @version 1.0.0
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*
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* @brief XMC4200 Application kit GPIO toggle example
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*
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* GPIO toggle example flashes the leds of the board with a periodic rate.
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* LED1 is connected to P2.1
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*
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* History <br>
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*
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* Version 1.0.0 Initial <br>
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*
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*/
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#include <xmc_gpio.h>
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#define TICKS_PER_SECOND 1000
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#define TICKS_WAIT 500
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#define LED1 P2_1
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void SysTick_Handler(void)
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{
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static uint32_t ticks = 0;
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ticks++;
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if (ticks == TICKS_WAIT)
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{
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XMC_GPIO_ToggleOutput(LED1);
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ticks = 0;
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}
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}
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int main(void)
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{
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XMC_GPIO_CONFIG_t config;
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config.mode = XMC_GPIO_MODE_OUTPUT_PUSH_PULL;
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config.output_level = XMC_GPIO_OUTPUT_LEVEL_HIGH;
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config.output_strength = XMC_GPIO_OUTPUT_STRENGTH_MEDIUM;
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XMC_GPIO_Init(LED1, &config);
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/* System timer configuration */
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SysTick_Config(SystemCoreClock / TICKS_PER_SECOND);
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while(1)
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{
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/* Infinite loop */
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}
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}
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