70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
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/*
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ʹ<EFBFBD>üĴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>LED<EFBFBD><EFBFBD>
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*/
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#include "stm32h7xx_hal_gpio.h"
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void Delay( uint32_t nCount);
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/**
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*/
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int main(void)
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{
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GPIO_InitTypeDef InitStruct;
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/*<2A><><EFBFBD><EFBFBD> GPIOB ʱ<>ӣ<EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>Ҫ<EFBFBD>ȿ<EFBFBD><C8BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>*/
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RCC->AHB4ENR |= (1<<1);
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/* LED <20>˿ڳ<CBBF>ʼ<EFBFBD><CABC> */
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/*<2A><>ʼ<EFBFBD><CABC>PB0<42><30><EFBFBD><EFBFBD>*/
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/*ѡ<><D1A1>Ҫ<EFBFBD><D2AA><EFBFBD>Ƶ<EFBFBD>GPIO<49><4F><EFBFBD><EFBFBD>*/
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InitStruct.Pin = GPIO_PIN_0;
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/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ŵ<EFBFBD><C5B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
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InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>ģʽ*/
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InitStruct.Pull = GPIO_PULLUP;
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/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>ģʽ */
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InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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/*<2A><><EFBFBD>ÿ⺯<C3BF><E2BAAF><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>GPIO_InitStructure<72><65>ʼ<EFBFBD><CABC>GPIO*/
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HAL_GPIO_Init(GPIOB, &InitStruct);
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/*ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD>ƽ,<2C><><EFBFBD><EFBFBD>LED1*/
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HAL_GPIO_WritePin(GPIOB,GPIO_PIN_0,GPIO_PIN_RESET);
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/*<2A><>ʱһ<CAB1><D2BB>ʱ<EFBFBD><CAB1>*/
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Delay(0xFFFFFF);
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/*ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߵ<EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD>ر<EFBFBD>LED1*/
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HAL_GPIO_WritePin(GPIOB,GPIO_PIN_0,GPIO_PIN_SET);
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/*<2A><>ʼ<EFBFBD><CABC>PB1<42><31><EFBFBD><EFBFBD>*/
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InitStruct.Pin = GPIO_PIN_1;
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HAL_GPIO_Init(GPIOB,&InitStruct);
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/*ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>LED2*/
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HAL_GPIO_WritePin(GPIOB,GPIO_PIN_1,GPIO_PIN_RESET);
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while(1);
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}
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//<2F><EFBFBD><F2B5A5B5><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>cpuִ<75><D6B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EEA3AC><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱʱ<CAB1><CAB1><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><D4BC>㣬<EFBFBD>Ժ<EFBFBD><D4BA><EFBFBD><EFBFBD>ǿ<EFBFBD>ʹ<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ȷ<EFBFBD><C8B7>ʱ
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void Delay( uint32_t nCount)
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{
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for(; nCount != 0; nCount--);
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}
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// <20><><EFBFBD><EFBFBD>Ϊ<EFBFBD>գ<EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>ƭ<EFBFBD><C6AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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void SystemInit(void)
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{
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}
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/*********************************************END OF FILE**********************/
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