求助大佬,51單片機控制AS608指紋模塊卡在對接怎么解決

ID:1103416 · 發(fā)表于 2023-12-9 14:43

附我的代碼，及板子圖片

ID:883242 · 發(fā)表于 2023-12-9 21:24

用邏輯分析儀或示波器看下波形，是否符合通訊協議。

ID:327265 · 發(fā)表于 2023-12-9 23:02

查看寫的驅動程序是否有問題，或者您貼上來可以幫您查看

ID:1103416 · 發(fā)表于 2023-12-10 08:41

Hephaestus 發(fā)表于 2023-12-9 21:24
用邏輯分析儀或示波器看下波形，是否符合通訊協議。

沒有邏輯分析儀咋辦

ID:1103416 · 發(fā)表于 2023-12-10 08:52

whwteng 發(fā)表于 2023-12-9 23:02
查看寫的驅動程序是否有問題，或者您貼上來可以幫您查看

主函數部分
#include<reg52.h>
#include<intrins.h>
#include"buzz.h"
#include"key.h"
#include"uart.h"
#include"delay.h"
#include"FPM10A.h"
#include"lcd_1602.h"

void main()
{
SRD = 0;//繼電器關閉
LCD1602_Init(); //初始化液晶
LCD1602_Display(0x80,"Fingerprint Test",0,16);    //液晶開機顯示界面
Uart_Init(); //初始化串口
Key_Init(); //初始化按鍵
Delay_Ms(200);       //延時500MS，等待指紋模塊復位
Device_Check();    //校對指紋模塊是否接入正確，液晶做出相應的提示
Delay_Ms(1000); //對接成功界面停留一定時間

while(1)
{
      /**************進入主功能界面****************/
LCD1602_Display(0x80,"  Finger Unlock ",0,16);    //第一排顯示搜索指紋
LCD1602_Display(0xc0,"  Add    delete",0,16);    //添加和刪除指紋


      //第一個按鈕，切換鍵按下后，進行功能選擇
if(KEY_DOWN == 0)
{
     while(KEY_DOWN == 0); //等待松開按鍵
         if(local_date<=2)
{
local_date++;
if(local_date==3)
local_date=0;
}
}
if(local_date==0)
{
LCD1602_Display(0x80,  " *",0,2);
LCD1602_Display(0xc0,  "  ",0,2);
LCD1602_Display(0xc0+8,"  ",0,2);
}
else if(local_date==1)
{
LCD1602_Display(0x80,  "  ",0,2);
LCD1602_Display(0xc0,  " *",0,2);
LCD1602_Display(0xc0+8,"  ",0,2);
}
else if(local_date==2)
{
LCD1602_Display(0x80,  "  ",0,2);
LCD1602_Display(0xc0,  "  ",0,2);
LCD1602_Display(0xc0+8," *",0,2);
}

//第二個按鈕，確認鍵按下后，進入各自對應的功能。
if(KEY_OK == 0)
{
     while(KEY_OK == 0);//等待松開按鍵
switch(local_date)
{
case 0:  //搜索指紋
FPM10A_Find_Fingerprint();
break;

case 1:    //添加指紋
FPM10A_Add_Fingerprint();
break;

case 2: //清空指紋
FPM10A_Delete_All_Fingerprint();
      break;
}
}

if(KEY_LOCK == 0)
{
     while(KEY_LOCK == 0);//等待松開按鍵
Buzz_Times(2);
SRD = 1;
Delay_Ms(2000);
SRD = 0;
}

Delay_Ms(100); //延時判斷100MS檢測一次

}
}

通訊部分

#include <reg52.h>
#include "FPM10A.h"
#include "key.h"
#include "uart.h"
#include "lcd_1602.h"
#include "delay.h"
#include "buzz.h"

//sbit SRD = P2^6;//繼電器
volatile unsigned char FPM10A_RECEICE_BUFFER[32];
unsigned int finger_id = 0;

//FINGERPRINT通信協議定義

code unsigned char FPM10A_Get_Device[10] ={0x01,0x00,0x07,0x13,0x00,0x00,0x00,0x00,0x00,0x1b};//口令驗證，驗證模塊是否正確連接，對應19號指令。
code unsigned char FPM10A_Pack_Head[6] = {0xEF,0x01,0xFF,0xFF,0xFF,0xFF};  //協議包頭
code unsigned char FPM10A_Get_Img[6] = {0x01,0x00,0x03,0x01,0x00,0x05}; //獲得指紋圖像，對應1號指令。
code unsigned char FPM10A_Get_Templete_Count[6] ={0x01,0x00,0x03,0x1D,0x00,0x21 }; //獲得模版總數
code unsigned char FPM10A_Search[11]={0x01,0x00,0x08,0x04,0x01,0x00,0x00,0x03,0xE7,0x00,0xF8}; //4號指令，搜索指紋搜索范圍0 - 999,使用BUFFER1中的特征碼搜索
code unsigned char FPM10A_Search_0_9[11]={0x01,0x00,0x08,0x04,0x01,0x00,0x00,0x00,0x13,0x00,0x21}; //搜索0-9號指紋
code unsigned char FPM10A_Img_To_Buffer1[7]={0x01,0x00,0x04,0x02,0x01,0x00,0x08}; //將圖像放入到BUFFER1，2號功能
code unsigned char FPM10A_Img_To_Buffer2[7]={0x01,0x00,0x04,0x02,0x02,0x00,0x09}; //將圖像放入到BUFFER2 ，2號功能
code unsigned char FPM10A_Reg_Model[6]={0x01,0x00,0x03,0x05,0x00,0x09}; //將BUFFER1跟BUFFER2合成特征模版，5號功能
code unsigned char FPM10A_Delete_All_Model[6]={0x01,0x00,0x03,0x0d,0x00,0x11};//刪除指紋模塊里所有的模版，13號功能
volatile unsigned char  FPM10A_Save_Finger[9]={0x01,0x00,0x06,0x06,0x01,0x00,0x0B,0x00,0x19};//將BUFFER1中的特征碼存放到指定的位置，6號功能
//volatile:系統(tǒng)總是重新從它所在的內存讀取數據，即使它前面的指令剛剛從該處讀取過數據
/*------------------ FINGERPRINT命令字 --------------------------*/
//發(fā)送包頭
void FPM10A_Cmd_Send_Pack_Head(void)
{
int i;
for(i=0;i<6;i++) //包頭
{
   Uart_Send_Byte(FPM10A_Pack_Head);
}
}
//發(fā)送指令
void FPM10A_Cmd_Check(void)
{
int i=0;
FPM10A_Cmd_Send_Pack_Head(); //發(fā)送通信協議包頭
for(i=0;i<10;i++)
   {
Uart_Send_Byte(FPM10A_Get_Device);
   }
}
//接收反饋數據緩沖
void FPM10A_Receive_Data(unsigned char ucLength)
{
  unsigned char i;

  for (i=0;i<ucLength;i++)
   FPM10A_RECEICE_BUFFER = Uart_Receive_Byte();

}

//FINGERPRINT_獲得指紋圖像命令
void FPM10A_Cmd_Get_Img(void)
{
unsigned char i;
FPM10A_Cmd_Send_Pack_Head(); //發(fā)送通信協議包頭
for(i=0;i<6;i++) //發(fā)送命令 0x1d
{
   Uart_Send_Byte(FPM10A_Get_Img);
}
}
//講圖像轉換成特征碼存放在Buffer1中
void FINGERPRINT_Cmd_Img_To_Buffer1(void)
{
unsigned char i;
FPM10A_Cmd_Send_Pack_Head(); //發(fā)送通信協議包頭
   for(i=0;i<7;i++) //發(fā)送命令將圖像轉換成特征碼存放在 CHAR_buffer1
   {
   Uart_Send_Byte(FPM10A_Img_To_Buffer1);
      }
}
//將圖像轉換成特征碼存放在Buffer2中
void FINGERPRINT_Cmd_Img_To_Buffer2(void)
{
   unsigned char i;
   for(i=0;i<6;i++) //發(fā)送包頭
   {
Uart_Send_Byte(FPM10A_Pack_Head);
      }
   for(i=0;i<7;i++) //發(fā)送命令將圖像轉換成特征碼存放在 CHAR_buffer1
   {
      Uart_Send_Byte(FPM10A_Img_To_Buffer2);
      }
}
//搜索全部用戶999枚
void FPM10A_Cmd_Search_Finger(void)
{
   unsigned char i;
   FPM10A_Cmd_Send_Pack_Head(); //發(fā)送通信協議包頭
   for(i=0;i<11;i++)
         {
      Uart_Send_Byte(FPM10A_Search);
      }
}

void FPM10A_Cmd_Reg_Model(void)
{
   unsigned char i;

   FPM10A_Cmd_Send_Pack_Head(); //發(fā)送通信協議包頭

   for(i=0;i<6;i++)
         {
      Uart_Send_Byte(FPM10A_Reg_Model);
      }

}
//刪除指紋模塊里的所有指紋模版
void FINGERPRINT_Cmd_Delete_All_Model(void)
{
   unsigned char i;
for(i=0;i<6;i++) //包頭
   Uart_Send_Byte(FPM10A_Pack_Head);
for(i=0;i<6;i++) //命令合并指紋模版
   {
   Uart_Send_Byte(FPM10A_Delete_All_Model);
   }
}
//保存指紋
void FPM10A_Cmd_Save_Finger( unsigned int storeID )
{
   unsigned long temp = 0;
   unsigned char i;
   FPM10A_Save_Finger[5] =(storeID&0xFF00)>>8;
   FPM10A_Save_Finger[6] = (storeID&0x00FF);
   for(i=0;i<7;i++) //計算校驗和
      temp = temp + FPM10A_Save_Finger;
   FPM10A_Save_Finger[7]=(temp & 0x00FF00) >> 8; //存放校驗數據
   FPM10A_Save_Finger[8]= temp & 0x0000FF;
   FPM10A_Cmd_Send_Pack_Head(); //發(fā)送通信協議包頭
   for(i=0;i<9;i++)
      Uart_Send_Byte(FPM10A_Save_Finger);    //發(fā)送命令將圖像轉換成特征碼存放在 CHAR_buffer1
}
//添加指紋
void FPM10A_Add_Fingerprint()
{
unsigned char id_show[]={0,0,0};
LCD1602_WriteCMD(0x01); //清屏
finger_id=0;
while(1)
{
LCD1602_Display(0x80," Add  finger  ",0,16);
LCD1602_Display(0xc0," ID is    ",0,16);
//按返回鍵直接回到主菜單
if(KEY_CANCEL == 0)
{
   while(KEY_CANCEL==0);
   break;
}

//按切換鍵指紋iD值加1
if(KEY_DOWN == 0)
{
while(KEY_DOWN==0);
if(finger_id == 1000)
{
finger_id = 0;
}
else
finger_id = finger_id + 1;
}

   //指紋iD值顯示處理
   LCD1602_WriteCMD(0xc0+10);
   LCD1602_WriteDAT(finger_id/100+48);
   LCD1602_WriteDAT(finger_id%100/10+48);
   LCD1602_WriteDAT(finger_id%100%10+48);

   //按確認鍵開始錄入指紋信息
   if(KEY_OK == 0)
   {
   while(KEY_OK==0);
   LCD1602_Display(0x80," Please  finger ",0,16);
   LCD1602_Display(0xc0,"             ",0,16);
while(KEY_CANCEL == 1)
   {
   //按下返回鍵退出錄入返回fingerID調整狀態(tài)
if(KEY_CANCEL == 0)
   {
   while(KEY_CANCEL==0);
   break;
   }
FPM10A_Cmd_Get_Img(); //獲得指紋圖像
FPM10A_Receive_Data(12);
//判斷接收到的確認碼,等于0指紋獲取成功
if(FPM10A_RECEICE_BUFFER[9]==0)
   {
Delay_Ms(100);
FINGERPRINT_Cmd_Img_To_Buffer1();
      FPM10A_Receive_Data(12);
LCD1602_Display(0x80,"Successful entry",0,16);
Buzz_Times(1);
Delay_Ms(1000);
LCD1602_Display(0x80," Please  finger ",0,16);
      LCD1602_Display(0xc0,"             ",0,16);
while(1)
{
if(KEY_CANCEL == 0)
{
while(KEY_CANCEL==0);
break;
}
   FPM10A_Cmd_Get_Img(); //獲得指紋圖像
   FPM10A_Receive_Data(12);
//判斷接收到的確認碼,等于0指紋獲取成功
if(FPM10A_RECEICE_BUFFER[9]==0)
{
Delay_Ms(200);
LCD1602_Display(0x80,"Successful entry",0,16);
LCD1602_Display(0xc0," ID is    ",0,16);
   //指紋iD值顯示處理
   LCD1602_WriteCMD(0xc0+10);
   LCD1602_WriteDAT(finger_id/100+48);
   LCD1602_WriteDAT(finger_id%100/10+48);
   LCD1602_WriteDAT(finger_id%100%10+48);
FINGERPRINT_Cmd_Img_To_Buffer2();
      FPM10A_Receive_Data(12);
FPM10A_Cmd_Reg_Model();//轉換成特征碼
         FPM10A_Receive_Data(12);
      FPM10A_Cmd_Save_Finger(finger_id);
              FPM10A_Receive_Data(12);
Buzz_Times(1);
Delay_Ms(1000);
finger_id=finger_id+1;
        break;
      }
   }

            break;
}
}
// ClrScreen(); //清空顯示屏
}
// Delay_Ms(500);
}
}

//搜索指紋
void FPM10A_Find_Fingerprint()
{
unsigned int find_fingerid = 0;
unsigned char id_show[]={0,0,0};
do
{
LCD1602_Display(0x80," Please  finger ",0,16);
LCD1602_Display(0xc0,"             ",0,16);
FPM10A_Cmd_Get_Img(); //獲得指紋圖像,將圖像存儲在imagebuffer中
FPM10A_Receive_Data(12);
//判斷接收到的確認碼,等于0指紋獲取成功
if(FPM10A_RECEICE_BUFFER[9]==0)
{
Delay_Ms(100);
FINGERPRINT_Cmd_Img_To_Buffer1();
FPM10A_Receive_Data(12);
FPM10A_Cmd_Search_Finger();
FPM10A_Receive_Data(16);
if(FPM10A_RECEICE_BUFFER[9] == 0) //搜索到
{
   LCD1602_Display(0x80," Search success ",0,16);
   LCD1602_Display(0xc0," ID is    ",0,16);
//拼接指紋ID數
   find_fingerid = FPM10A_RECEICE_BUFFER[10]*256 + FPM10A_RECEICE_BUFFER[11];
   //指紋iD值顯示處理
   LCD1602_WriteCMD(0xc0+10);
   LCD1602_WriteDAT(find_fingerid/100+48);
   LCD1602_WriteDAT(find_fingerid%100/10+48);
   LCD1602_WriteDAT(find_fingerid%100%10+48);
   Buzz_Times(2);
   SRD = 1;
   Delay_Ms(2000);
   SRD = 0;
   }
else //沒有找到
{
LCD1602_Display(0x80," Search  failed ",0,16);
LCD1602_Display(0xc0,"             ",0,16);
     Buzz_Times(3);
}
}
}while(KEY_CANCEL == 1);
}
//刪除所有存貯的指紋庫
void FPM10A_Delete_All_Fingerprint()
{
unsigned char i=0;
LCD1602_Display(0x80," empty all ",0,16);
LCD1602_Display(0xc0," Yes or no ?  ",0,16);
do
   {
if(KEY_OK==0)
{
while(KEY_OK==0);
LCD1602_Display(0x80," emptying    ",0,16);
LCD1602_Display(0xc0,"             ",0,16);
Delay_Ms(300);
LCD1602_WriteCMD(0xc0);
for(i=0;i<16;i++)
   {
LCD1602_WriteDAT(42);
Delay_Ms(100);
   }
FINGERPRINT_Cmd_Delete_All_Model();
   FPM10A_Receive_Data(12);
LCD1602_Display(0x80," All empty ",0,16);
LCD1602_Display(0xc0,"             ",0,16);
Buzz_Times(3);
break;
}
   }while(KEY_CANCEL==1);
}

void Device_Check(void)
{
unsigned char i=0;
FPM10A_RECEICE_BUFFER[9]=1;             //串口數組第九位可判斷是否通信正常
LCD1602_Display(0xc0,"Loading",0,7);             //設備加載中界面
for(i=0;i<8;i++)             //進度條式更新，看起來美觀
{
LCD1602_WriteDAT(42);                         //42對應ASIC碼的 *
Delay_Ms(200);             //控制進度條速度
}
LCD1602_Display(0xc0,"Docking  failure",0,16);    //液晶先顯示對接失敗，如果指紋模塊插對的話會將其覆蓋
FPM10A_Cmd_Check(); //單片機向指紋模塊發(fā)送校對命令
FPM10A_Receive_Data(12); //將串口接收到的數據轉存
if(FPM10A_RECEICE_BUFFER[9] == 0) //判斷數據低第9位是否接收到0 ，根據信息格式判斷的。
{
LCD1602_Display(0xc0,"Docking  success",0,16); //符合成功條件則顯示對接成功
}
}

ID:1103416 · 發(fā)表于 2023-12-10 09:02

現在的情況是板子啟動卡在對接，用上位機測試程序連接指紋模塊后才能進入功能，但是功能會卡住。還有就是在上位機測試程序接通情況下重啟板子，修改指紋模塊的波特率為9600 或19200都能過對接，但是也是卡在后續(xù)功能。

ID:648281 · 發(fā)表于 2023-12-11 11:18

1、看看開發(fā)板晶振是多少，這個要確定
2、根據晶振計算波特率初值，不能錯啦
3、采用不同的波特率和AS608對接測試

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