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STM32 按键输入

  

#include "stm32f10x.h"
#include "key.h"

//按键初始化函数
void KEY_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}

 

#ifndef __KEY_H#define __KEY_H     #define KEY0  GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_12)//读取按键0#define KEY1  GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_13)//读取按键1#define KEY2  GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_14)//读取按键2 #define KEY3  GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_15)//读取按键3#define KEY4  GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_4)//读取按键0#define KEY5  GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_5)//读取按键1#define KEY6  GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_6)//读取按键2 #define KEY7  GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_7)//读取按键3#define KEY8  GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_8)//读取按键3void KEY_Init(void);//IO初始化                    #endif
#include "stm32f10x.h"#include <stdio.h>#include "sys.h"#include "delay.h"#include "oled.h"#include "24l01.h"#include "key.h"  /* OLEDSCL-D0--PC15SDA-D1--PC14   RST---PC13    DC---PB4*//*        2401--SPI1         MISO-PA6 SCK-PA5     CE-PB3        IRQ-PA3  MOSI-PA7 CSN-PA2*/  // c8t6

u8 tmp_buf[
1] ;int main(void){ Stm32_Clock_Init(9);//系统时钟设置为外部晶振,9倍频 delay_init(72);//系统SysTick初始化 JTAG_Set(JTAG_SWD_DISABLE); //=====关闭JTAG接口 JTAG_Set(SWD_ENABLE); //=====打开SWD接口 可以利用主板的SWD接口调试 OLED_Init(); KEY_Init(); //NRF24L01_Init(); //=====NRF24L01无线模块初始化 // NRF24L01_FindMyself(); //=====NRF24L01无线模块检查 检测不到就停在这边自检闪灯 //tmp_buf[0]= 1 ; while (1) { // TX_Mode(); // OLED_ShowNumber(0,30,tmp_buf[0],5,12); // NRF24L01_TxPacket(tmp_buf); if(KEY0 == 0) { delay_ms(10); OLED_ShowString(0,20,"Key0"); } if(KEY1 == 0) { delay_ms(10); OLED_ShowString(0,20,"Key1"); } if(KEY2 == 0) { delay_ms(10); OLED_ShowString(0,20,"Key2"); } if(KEY3 == 0) { delay_ms(10); OLED_ShowString(0,20,"Key3"); } if(KEY4 == 0) { delay_ms(10); OLED_ShowString(0,20,"Key4"); } if(KEY5 == 0) { delay_ms(10); OLED_ShowString(0,20,"Key5"); } if(KEY6 == 0) { delay_ms(10); OLED_ShowString(0,20,"Key6"); } if(KEY7 == 0) { delay_ms(10); OLED_ShowString(0,20,"Key7"); } if(KEY8 == 0) { delay_ms(10); OLED_ShowString(0,20,"Key8"); } OLED_Refresh_Gram(); } }

 

STM32 按键输入