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P100脱机下载器
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offline_downloader_p100/ref/3. P100脱机下载器UID.../例程/STM32F103 UID自定义加.../HARDWARE/LED/led.c

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  1. #include "led.h"
  3. //////////////////////////////////////////////////////////////////////////////////
  4. //������ֻ��ѧϰʹ�ã�δ���������ɣ��������������κ���;
  5. //ALIENTEK mini�SSTM32������
  6. //LED��������
  7. //����ԭ��@ALIENTEK
  8. //������̳:www.openedv.com
  9. //�޸�����:2012/9/2
  10. //�汾��V1.0
  11. //��Ȩ���У������ؾ���
  12. //Copyright(C) �������������ӿƼ����޹�˾ 2009-2019
  13. //All rights reserved
  14. //////////////////////////////////////////////////////////////////////////////////
  16. //��ʼ��PB5��PE5Ϊ������.��ʹ���������ڵ�ʱ��
  17. //LED IO��ʼ��
  18. void LED_Init(void)
  19. {
  21. GPIO_InitTypeDef GPIO_InitStructure;
  23. RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOD, ENABLE); //ʹ��PA,PD�˿�ʱ��
  25. GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8; //LED0-->PA.8 �˿�����
  26. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //��������
  27. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //IO���ٶ�Ϊ50MHz
  28. GPIO_Init(GPIOA, &GPIO_InitStructure); //�����趨������ʼ��GPIOA.8
  29. GPIO_SetBits(GPIOA,GPIO_Pin_8); //PA.8 ������
  31. GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; //LED1-->PD.2 �˿�����, ��������
  32. GPIO_Init(GPIOD, &GPIO_InitStructure); //�������� ��IO���ٶ�Ϊ50MHz
  33. GPIO_SetBits(GPIOD,GPIO_Pin_2); //PD.2 ������
  34. }