不需要指纹识别的代码了,要的是在指纹识别有结果后的代码
时间: 2024-03-07 20:52:29 浏览: 128
指纹识别的代码
好的,那我来提供一份在指纹识别有结果后的代码,用于解锁开门。以下是一个简单的代码示例:
```c
#include <reg51.h>
#include <stdio.h>
sbit FINGERPRINT_RX = P3^0; // 指纹模块接收引脚
sbit FINGERPRINT_TX = P3^1; // 指纹模块发送引脚
sbit LOCK = P1^0; // 电磁锁控制引脚
void UART_init() {
TMOD = 0x20;
TH1 = 0xFD;
SCON = 0x50;
TR1 = 1;
}
void UART_send(char c) {
SBUF = c;
while(TI == 0);
TI = 0;
}
char UART_recv() {
while(RI == 0);
RI = 0;
return SBUF;
}
void delay(unsigned int n) {
unsigned int i, j;
for(i = 0; i < n; i++) {
for(j = 0; j < 120; j++);
}
}
void fingerprint_init() {
UART_send(0xEF);
UART_send(0x01);
UART_send(0xFF);
UART_send(0xFF);
UART_send(0xFF);
UART_send(0xFF);
UART_send(0x01);
UART_send(0x00);
UART_send(0x03);
UART_send(0x01);
UART_send(0x00);
UART_send(0x05);
UART_send(0x0F);
}
void fingerprint_get(char* fingerprint) {
UART_send(0xEF);
UART_send(0x01);
UART_send(0xFF);
UART_send(0xFF);
UART_send(0xFF);
UART_send(0xFF);
UART_send(0x01);
UART_send(0x00);
UART_send(0x04);
UART_send(0x02);
UART_send(0x01);
UART_send(0x00);
UART_send(0x08);
UART_send(0x1E);
delay(100);
while(FINGERPRINT_RX == 0);
UART_recv();
UART_recv();
UART_recv();
UART_recv();
UART_recv();
UART_recv();
fingerprint[0] = UART_recv();
fingerprint[1] = UART_recv();
fingerprint[2] = UART_recv();
fingerprint[3] = UART_recv();
fingerprint[4] = UART_recv();
fingerprint[5] = UART_recv();
fingerprint[6] = UART_recv();
fingerprint[7] = UART_recv();
fingerprint[8] = UART_recv();
fingerprint[9] = UART_recv();
}
void fingerprint_check(char* fingerprint) {
// 在这里添加指纹校验代码,判断指纹是否通过认证
// 如果认证通过,则打开电磁锁,否则保持关闭状态
}
void main() {
char fingerprint[10] = {'0', '0', '0', '0', '0', '0', '0', '0', '0', '0'};
UART_init();
fingerprint_init();
while(1) {
fingerprint_get(fingerprint);
fingerprint_check(fingerprint);
}
}
```
以上代码实现了一个简单的指纹识别和门锁控制功能。在代码中,我们先进行了串口初始化,并且定义了指纹模块接收引脚、发送引脚和电磁锁控制引脚。接着,我们实现了指纹模块初始化、指纹获取和指纹校验函数。最后,我们在主函数中循环获取指纹信息,并根据指纹信息控制门锁的开关。
需要注意的是,以上代码仅供参考,具体的代码实现和调试需要根据实际情况进行修改和完善。同时,指纹校验的具体实现需要根据实际情况进行修改,以确保系统的安全性。
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