STM32单片机RC522门禁程序(含保存IC卡功能掉电不丢失) -

#include "delay.h"
#include "sys.h"
#include "usart.h"
#include "rc522.h"
#include "LED.h"
#include "Key.h"
#include "OLED.h"
#include "Store.h"
#include "Servo.h"
/**
* 连线说明：
* 1--SDA <----->PA4
* 2--SCK <----->PA5
* 3--MOSI <----->PA7
* 4--MISO <----->PA6
* 5--悬空
* 6--GND <----->GND
* 7--RST <----->PB0
* 8--VCC <----->VCC
**/
uint32_t num; //
uint8_t j = 0;
int main(void)
{
delay_init(); //延时函数初始化
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//设置中断优先级分组为组2：2位抢占优先级，2位响应优先级
uart_init(115200); //串口初始化为115200
RC522_Init(); //初始化射频卡模块
LED_Init(); //LED???
Key_Init(); //?????
OLED_Init(); //OLED???
Store_Init();
Servo_Init(); //?????
while(1)
{
Key_GetNum();
//先将sn清零
SN[0]=0X00;
SN[1]=0X00;
SN[2]=0X00;
SN[3]=0X00;
if (KeyNum == 1)
{
//这里执行读卡
OLED_ShowString(1, 1, "moshi: ");
OLED_ShowString(1, 1, "moshi:du");
RC522_Handel();
//
num = (uint32_t)SN[0] << 24 | (uint32_t)SN[1] << 16 | (uint32_t)SN[2] << 8 | SN[3];
OLED_ShowHexNum(2, 1, num, 8);
//将存储里的卡号读出来对比这个卡号是否开锁
for (j = 1; j < 255; j ++) //
{
if(num==0x00000000){
//跳出循环
break;
}else if(Store_Data[j]==0x00000000){
OLED_ShowString(3, 1, " ");
OLED_ShowString(3, 1, "error:failed");
//跳出循环
break; //
}
else if(Store_Data[j]==num){
OLED_ShowString(3, 1, " ");
OLED_ShowString(3, 1, "success:ok");
//开门
Servo_SetAngle(90);
delay_ms(5000);
Servo_SetAngle(0);
//跳出循环
break; //
}
}
}
if (KeyNum == 2)
{
//这里执行授权
OLED_ShowString(1, 1, "moshi:shouqun");
RC522_Handel();
//
num = (uint32_t)SN[0] << 24 | (uint32_t)SN[1] << 16 | (uint32_t)SN[2] << 8 | SN[3];
OLED_ShowHexNum(2, 1, num, 8);
//将存储里的卡号读出来对比这个卡号是否存在
for (j = 1; j < 255; j ++) //
{
if(num==0x00000000){
//跳出循环
break;
}else if(Store_Data[j]==num){
OLED_ShowString(3, 1, " ");
OLED_ShowString(3, 1, "success:exist");
//跳出循环
break; //
}else if(Store_Data[j]==0x00000000){
Store_Data[j] = num;
Store_Save();
OLED_ShowString(3, 1, " ");
OLED_ShowString(3, 1, "success:save ok");
delay_ms(5000);
//跳出循环
break; //
}
}
}
}
}

复制代码