关于STC8A单片机无法与AS608指纹模块通信的提问 -

1. #include <stc8.h>
2. #include <intrins.h>
3. #include "key.h"
4. #include "uart.h"
5. #include "delay.h"
6. #include "FPM10A.h"
7. #include "oled.h"
8. void main(void)
9. {
10. OLED_Init();
11. OLED_Clear(); //初始化液晶
12. Uart_Init(); //初始化串口
13. Key_Init(); //初始化按键
14. Delay_Ms(200); //延时500MS，等待指纹模块复位
15. Device_Check(); //校对指纹模块是否接入正确，液晶做出相应的提示
16. Delay_Ms(1000); //对接成功界面停留一定时间

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17. void Device_Check(void)
18. {
19. unsigned char i=0;
20. FPM10A_RECEICE_BUFFER[9]=1; //串口数组第九位可判断是否通信正常
21. OLED_ShowString(0,2,"Loading...");
22. Delay_Ms(5000);
23. //设备加载中界面
24. OLED_ShowString(0,2,"Docking fail");//液晶先显示对接失败，如果指纹模块插对的话会将其覆盖
25. FPM10A_Cmd_Check(); //单片机向指纹模块发送校对命令
26. FPM10A_Receive_Data(12); //将串口接收到的数据转存
27. if(FPM10A_RECEICE_BUFFER[9] == 0) //判断数据低第9位是否接收到0 ，根据信息格式判断的。
28. {
29. OLED_Clear();
30. OLED_ShowString(0,2,"Docking success"); //符合成功条件则显示对接成功
31. }
32. }

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*****************************发送指令***********************[indent]33. void FPM10A_Cmd_Check(void)
34. {
35. int i=0;
36. FPM10A_Cmd_Send_Pack_Head(); //发送通信协议包头
37. for(i=0;i<10;i++)
38. {
39. Uart_Send_Byte(FPM10A_Get_Device[i]);
40. }
41. }[/indent][indent] *****************************发送包头*************************[/indent][indent]42. void FPM10A_Cmd_Send_Pack_Head(void)[/indent][indent]43. {[/indent][indent]44. int i; [/indent][indent]45. for(i=0;i<6;i++) //包头[/indent][indent]46. {[/indent][indent]47. Uart_Send_Byte(FPM10A_Pack_Head[ i]); [/indent][indent]48. } [/indent][indent]49. }[/indent]

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50. #include "uart.h"
51. #include <stc8.h>
52. void Uart_Init(void)
53. {
54. PCON |= 0x80; //使能波特率倍速位SMOD
55. SCON = 0x50; //8位数据,可变波特率
56. //AUXR = 0xBF; //定时器1时钟为Fosc/12,即12T
57. //AUXR &= 0xFE; //串口1选择定时器1为波特率发生器
58. //TMOD &= 0x0F; //清除定时器1模式位
59. TMOD |= 0x20; //设定定时器1为8位自动重装方式
60. TL1 = 0xFF; //设定定时初值
61. TH1 = 0xFF; //设定定时器重装值
62. ET1 = 0; //禁止定时器1中断
63. TR1 = 1; //启动定时器1
64. EA=1;
65.}
66. void Uart_Send_Byte(unsigned char c) //UART 发送一个 byte
67. {
69. SBUF = c;
70. while(!TI); //发送完为1
71. TI = 0;
72. }
73. unsigned char Uart_Receive_Byte()//UART Receive a byteg
74. {
75. unsigned char dat;
76. while(!RI); //接收完为1
77. RI = 0;
78. dat = SBUF;
79. return (dat);
80. }

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#include "FPM10A.h"
#include "key.h"
#include "uart.h"
#include "oled.h"
#include "delay.h"
#include <stdio.h>
#include <string.h>
//sbit SRD = P2^6;继电器
volatile unsigned char FPM10A_RECEICE_BUFFER[32];
unsigned int finger_id = 0;
//FINGERPRINT通信协议定义
code unsigned char FPM10A_Get_Device[10] ={0x01,0x00,0x07,0x13,0x00,0x00,0x00,0x00,0x00,0x1b};//口令验证，验证模块是否正确连接，对应19号指令。
code unsigned char FPM10A_Pack_Head[6] = {0xEF,0x01,0xFF,0xFF,0xFF,0xFF}; //协议包头
code unsigned char FPM10A_Get_Img[6] = {0x01,0x00,0x03,0x01,0x00,0x05}; //获得指纹图像，对应1号指令。
code unsigned char FPM10A_Get_Templete_Count[6] ={0x01,0x00,0x03,0x1D,0x00,0x21 }; //获得模版总数
code unsigned char FPM10A_Search[11]={0x01,0x00,0x08,0x04,0x01,0x00,0x00,0x03,0xE7,0x00,0xF8}; //4号指令，搜索指纹搜索范围0 - 999,使用BUFFER1中的特征码搜索
code unsigned char FPM10A_Search_0_9[11]={0x01,0x00,0x08,0x04,0x01,0x00,0x00,0x00,0x13,0x00,0x21}; //搜索0-9号指纹
code unsigned char FPM10A_Img_To_Buffer1[7]={0x01,0x00,0x04,0x02,0x01,0x00,0x08}; //将图像放入到BUFFER1，2号功能
code unsigned char FPM10A_Img_To_Buffer2[7]={0x01,0x00,0x04,0x02,0x02,0x00,0x09}; //将图像放入到BUFFER2 ，2号功能
code unsigned char FPM10A_Reg_Model[6]={0x01,0x00,0x03,0x05,0x00,0x09}; //将BUFFER1跟BUFFER2合成特征模版，5号功能
code unsigned char FPM10A_Delete_All_Model[6]={0x01,0x00,0x03,0x0d,0x00,0x11};//删除指纹模块里所有的模版，13号功能
volatile unsigned char FPM10A_Save_Finger[9]={0x01,0x00,0x06,0x06,0x01,0x00,0x0B,0x00,0x19};//将BUFFER1中的特征码存放到指定的位置，6号功能
//volatile:系统总是重新从它所在的内存读取数据，即使它前面的指令刚刚从该处读取过数据
/*------------------ FINGERPRINT命令字 --------------------------*/
//发送包头
void FPM10A_Cmd_Send_Pack_Head(void)
{
int i;
for(i=0;i<6;i++) //包头
{
Uart_Send_Byte(FPM10A_Pack_Head[i]);
}
}
//发送指令
void FPM10A_Cmd_Check(void)
{
int i=0;
FPM10A_Cmd_Send_Pack_Head(); //发送通信协议包头
for(i=0;i<10;i++)
{
Uart_Send_Byte(FPM10A_Get_Device[i]);
}
}
//接收反馈数据缓冲
void FPM10A_Receive_Data(unsigned char ucLength)
{
unsigned char i;
for (i=0;i<ucLength;i++)
FPM10A_RECEICE_BUFFER[i] = Uart_Receive_Byte();
}
//FINGERPRINT_获得指纹图像命令
void FPM10A_Cmd_Get_Img(void)
{
unsigned char i;
FPM10A_Cmd_Send_Pack_Head(); //发送通信协议包头
for(i=0;i<6;i++) //发送命令 0x1d
{
Uart_Send_Byte(FPM10A_Get_Img[i]);
}
}
//讲图像转换成特征码存放在Buffer1中
void FINGERPRINT_Cmd_Img_To_Buffer1(void)
{
unsigned char i;
FPM10A_Cmd_Send_Pack_Head(); //发送通信协议包头
for(i=0;i<7;i++) //发送命令将图像转换成特征码存放在 CHAR_buffer1
{
Uart_Send_Byte(FPM10A_Img_To_Buffer1[i]);
}
}
//将图像转换成特征码存放在Buffer2中
void FINGERPRINT_Cmd_Img_To_Buffer2(void)
{
unsigned char i;
for(i=0;i<6;i++) //发送包头
{
Uart_Send_Byte(FPM10A_Pack_Head[i]);
}
for(i=0;i<7;i++) //发送命令将图像转换成特征码存放在 CHAR_buffer1
{
Uart_Send_Byte(FPM10A_Img_To_Buffer2[i]);
}
}
//搜索全部用户999枚
void FPM10A_Cmd_Search_Finger(void)
{
unsigned char i;
FPM10A_Cmd_Send_Pack_Head(); //发送通信协议包头
for(i=0;i<11;i++)
{
Uart_Send_Byte(FPM10A_Search[i]);
}
}
void FPM10A_Cmd_Reg_Model(void)
{
unsigned char i;
FPM10A_Cmd_Send_Pack_Head(); //发送通信协议包头
for(i=0;i<6;i++)
{
Uart_Send_Byte(FPM10A_Reg_Model[i]);
}
}
//删除指纹模块里的所有指纹模版
void FINGERPRINT_Cmd_Delete_All_Model(void)
{
unsigned char i;
for(i=0;i<6;i++) //包头
Uart_Send_Byte(FPM10A_Pack_Head[i]);
for(i=0;i<6;i++) //命令合并指纹模版
{
Uart_Send_Byte(FPM10A_Delete_All_Model[i]);
}
}
//保存指纹
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++) //计算校验和
temp = temp + FPM10A_Save_Finger[i];
FPM10A_Save_Finger[7]=(temp & 0x00FF00) >> 8; //存放校验数据
FPM10A_Save_Finger[8]= temp & 0x0000FF;
FPM10A_Cmd_Send_Pack_Head(); //发送通信协议包头
for(i=0;i<9;i++)
Uart_Send_Byte(FPM10A_Save_Finger[i]); //发送命令将图像转换成特征码存放在 CHAR_buffer1
}

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