[应用相关] STM32单片机开发光学指纹识别模块(FPM10A)

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001.

#include "stm32f10x.h"

002.

#include "stm32f10x_usart.h"

003.

#include "misc.h"

004.

unsigned

char

dat[18];

005.

006.

//FINGERPRINT通信协议定义

007.

unsigned

char

FP_Pack_Head[6] = {0xEF,0x01,0xFF,0xFF,0xFF,0xFF};

//协议包头

008.

unsigned

char

FP_Get_Img[6] = {0x01,0x00,0x03,0x01,0x0,0x05};

//获得指纹图像

009.

unsigned

char

FP_Templete_Num[6] ={0x01,0x00,0x03,0x1D,0x00,0x21 };

//获得模版总数

010.

unsigned

char

FP_Search[11]={0x01,0x0,0x08,0x04,0x01,0x0,0x0,0x03,0xA1,0x0,0xB2};

//搜索指纹搜索范围0 - 929

011.

unsigned

char

FP_Search_0_9[11]={0x01,0x0,0x08,0x04,0x01,0x0,0x0,0x0,0x13,0x0,0x21};

//搜索0-9号指纹

012.

unsigned

char

FP_Img_To_Buffer1[7]={0x01,0x0,0x04,0x02,0x01,0x0,0x08};

//将图像放入到BUFFER1

013.

unsigned

char

FP_Img_To_Buffer2[7]={0x01,0x0,0x04,0x02,0x02,0x0,0x09};

//将图像放入到BUFFER2

014.

unsigned

char

FP_Reg_Model[6]={0x01,0x0,0x03,0x05,0x0,0x09};

//将BUFFER1跟BUFFER2合成特征模版

015.

unsigned

char

FP_Delet_All_Model[6]={0x01,0x0,0x03,0x0d,0x00,0x11};

//删除指纹模块里所有的模版

016.

unsigned

char

FP_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

017.

unsigned

char

FP_Delete_Model[10]={0x01,0x00,0x07,0x0C,0x0,0x0,0x0,0x1,0x0,0x0};

//删除指定的模版

018.

019.

020.

//从 USART1 发送一个字节

021.

void

USART1_SendByte(unsigned

char

temp)

022.

{

023.

USART_SendData(USART1, temp);

024.

while

(USART_GetFlagStatus(USART1, USART_FLAG_TXE) == RESET);

025.

}

026.

027.

//从 USART1 读取一个字节

028.

unsigned

char

USART1_ReceivByte()

029.

{

030.

unsigned

char

recev;

031.

while

(USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == RESET);

032.

recev = USART_ReceiveData(USART1);

033.

return

recev;

034.

}

035.

//FINGERPRINT命令字

036.

//FINGERPRINT_获得指纹图像命令

037.

void

FINGERPRINT_Cmd_Get_Img(

void

)

038.

{

039.

unsigned

char

i;

040.

041.

for

(i=0;i<6;i++)

//发送包头

042.

USART1_SendByte(FP_Pack_Head[i]);

043.

044.

for

(i=0;i<6;i++)

//发送命令 0x1d

045.

USART1_SendByte(FP_Get_Img[i]);

046.

047.

for

(i=0;i<12;i++)

//读回应答信息

048.

dat[i]=USART1_ReceivByte();

049.

}

050.

051.

//删除所有指纹模版

052.

void

FINGERPRINT_Cmd_Delete_All_Model(

void

)

053.

{

054.

unsigned

char

i;

055.

056.

for

(i=0;i<6;i++)

//发送包头

057.

USART1_SendByte(FP_Pack_Head[i]);

058.

059.

for

(i=0;i<6;i++)

//发送命令 0x1d

060.

USART1_SendByte(FP_Delet_All_Model[i]);

061.

062.

for

(i=0;i<12;i++)

//读回应答信息

063.

dat[i]=USART1_ReceivByte();

064.

}

065.

066.

//讲图像转换成特征码存放在Buffer1中

067.

void

FINGERPRINT_Cmd_Img_To_Buffer1(

void

)

068.

{

069.

unsigned

char

i;

070.

for

(i=0;i<6;i++)

//发送包头

071.

{

072.

USART1_SendByte(FP_Pack_Head[i]);

073.

}

074.

for

(i=0;i<7;i++)

//发送命令 将图像转换成 特征码 存放在 CHAR_buffer1

075.

{

076.

USART1_SendByte(FP_Img_To_Buffer1[i]);

077.

}

078.

for

(i=0;i<12;i++)

//读应答信息

079.

{

080.

dat[i]=USART1_ReceivByte();

//把应答数据存放到缓冲区

081.

}

082.

}

083.

084.

//将图像转换成特征码存放在Buffer2中

085.

void

FINGERPRINT_Cmd_Img_To_Buffer2(

void

)

086.

{

087.

unsigned

char

i;

088.

for

(i=0;i<6;i++)

//发送包头

089.

{

090.

USART1_SendByte(FP_Pack_Head[i]);

091.

}

092.

093.

for

(i=0;i<7;i++)

//发送命令 将图像转换成 特征码 存放在 CHAR_buffer1

094.

{

095.

USART1_SendByte(FP_Img_To_Buffer2[i]);

096.

}

097.

for

(i=0;i<12;i++)

098.

{

099.

dat[i]=USART1_ReceivByte();

//读回应答信息

100.

}

101.

}

102.

103.

//将BUFFER1 跟 BUFFER2 中的特征码合并成指纹模版

104.

void

FINGERPRINT_Cmd_Reg_Model(

void

)

105.

{

106.

unsigned

char

i;

107.

108.

for

(i=0;i<6;i++)

//包头

109.

{

110.

USART1_SendByte(FP_Pack_Head[i]);

111.

}

112.

113.

for

(i=0;i<6;i++)

//命令合并指纹模版

114.

{

115.

USART1_SendByte(FP_Reg_Model[i]);

116.

}

117.

118.

for

(i=0;i<12;i++)

119.

{

120.

dat[i]=USART1_ReceivByte();

121.

}

122.

}

123.

124.

//存储模版到特定地址

125.

void

FINGERPRINT_Cmd_Save_Finger( unsigned

char

ucH_Char, unsigned

char

ucL_Char)

126.

{

127.

unsigned

long

temp = 0;

128.

unsigned

char

i;

129.

130.

FP_Save_Finger[5] = ucH_Char;

131.

FP_Save_Finger[6] = ucL_Char;

132.

133.

134.

for

(i=0;i<7;i++)

//计算校验和

135.

temp = temp + FP_Save_Finger[i];

136.

137.

FP_Save_Finger[7]=(temp & 0x00FF00) >> 8;

//存放校验数据

138.

FP_Save_Finger[8]= temp & 0x0000FF;

139.

140.

141.

for

(i=0;i<6;i++)

142.

USART1_SendByte(FP_Pack_Head[i]);

//发送包头

143.

144.

for

(i=0;i<9;i++)

145.

USART1_SendByte(FP_Save_Finger[i]);

//发送命令 将图像转换成 特征码 存放在 CHAR_buffer1

146.

147.

for

(i=0;i<12;i++)

148.

dat[i]=USART1_ReceivByte();

149.

}

150.

151.

//获得指纹模板数量

152.

void

FINGERPRINT_Cmd_Get_Templete_Num(

void

)

153.

{

154.

unsigned

int

i;

155.

156.

for

(i=0;i<6;i++)

//包头

157.

USART1_SendByte(FP_Pack_Head[i]);

158.

159.

//发送命令 0x1d

160.

for

(i=0;i<6;i++)

161.

USART1_SendByte(FP_Templete_Num[i]);

162.

163.

for

(i=0;i<12;i++)

164.

dat[i]=USART1_ReceivByte();

165.

}

166.

167.

//搜索全部用户999枚

168.

void

FINGERPRINT_Cmd_Search_Finger(

void

)

169.

{

170.

unsigned

char

i;

171.

//发送命令搜索指纹库

172.

for

(i=0;i<6;i++)

173.

{

174.

USART1_SendByte(FP_Pack_Head[i]);

175.

}

176.

177.

for

(i=0;i<11;i++)

178.

{

179.

USART1_SendByte(FP_Search[i]);

180.

}

181.

182.

for

(i=0;i<16;i++)

183.

{

184.

dat[i]=USART1_ReceivByte();

185.

}

186.

}

187.

188.

//搜索用户0~9枚

189.

void

FINGERPRINT_Cmd_Search_Finger_Admin(

void

)

190.

{

191.

unsigned

char

i;

192.

for

(i=0;i<6;i++)

//发送命令搜索指纹库

193.

{

194.

USART1_SendByte(FP_Pack_Head[i]);

195.

}

196.

197.

for

(i=0;i<11;i++)

198.

{

199.

USART1_SendByte(FP_Search_0_9[i]);

200.

}

201.

202.

for

(i=0;i<12;i++)

203.

dat[i]=USART1_ReceivByte();

204.

}

205.

206.

//添加一个新的指纹

207.

unsigned

char

FP_add_new_user(unsigned

char

ucH_user,unsigned

char

ucL_user)

208.

{

209.

do

210.

{

211.

FINGERPRINT_Cmd_Get_Img();

//获得指纹图像

212.

}

while

( dat[9]!=0x0 );

//检测是否成功的按了指纹

213.

214.

FINGERPRINT_Cmd_Img_To_Buffer1();

//将图像转换成特征码存放在Buffer1中

215.

216.

do

217.

{

218.

FINGERPRINT_Cmd_Get_Img();

//获得指纹图像

219.

}

while

( dat[9]!=0x0 );

220.

221.

FINGERPRINT_Cmd_Img_To_Buffer2();

//将图像转换成特征码存放在Buffer2中

222.

223.

FINGERPRINT_Cmd_Reg_Model();

//转换成特征码

224.

225.

FINGERPRINT_Cmd_Save_Finger(ucH_user,ucL_user);

226.

227.

return

0;

228.

}

01.

#ifndef _FPM10A_H

02.

#define _FPM10A_H

03.

#include <stdint.h>

04.

05.

extern

unsigned

char

dat[18];

06.

07.

extern

void

FINGERPRINT_Cmd_Get_Img();

08.

extern

void

FINGERPRINT_Cmd_Img_To_Buffer1();

09.

extern

void

FINGERPRINT_Cmd_Img_To_Buffer2();

10.

extern

void

FINGERPRINT_Cmd_Reg_Model();

11.

extern

void

FINGERPRINT_Cmd_Delete_All_Model(

void

);

12.

extern

void

FINGERPRINT_Cmd_Search_Finger(

void

);

13.

extern

void

FINGERPRINT_Cmd_Get_Templete_Num(

void

);

14.

extern

void

FINGERPRINT_Cmd_Search_Finger_Admin(

void

);

15.

extern

void

FINGERPRINT_Cmd_Save_Finger( unsigned

char

ucH_Char, unsigned

char

ucL_Char);

16.

extern

unsigned

char

FP_add_new_user(unsigned

char

ucH_user,unsigned

char

ucL_user);

17.

18.

19.

extern

void

USART1_SendByte(unsigned

char

temp);

20.

extern

unsigned

char

USART1_ReceivByte();

21.

22.

extern

void

Delay_ms1(uint32_t nCount);

23.

24.

void

Delay_nus1(uint32_t nCount)

25.

{

26.

uint32_t j;

27.

while

(nCount--)

28.

{

29.

j=8;

30.

while

(j--);

31.

}

32.

}

33.

34.

void

Delay_ms1(uint32_t nCount)

35.

{

36.

while

(nCount--)

37.

Delay_nus1(1100);

38.

}

39.

40.

unsigned

char

test_fig()

//检测指纹模块录入指纹情况，返回00表示录入成功；02无手指；03录入失败

41.

{

42.

unsigned

char

fig_dat;

43.

FINGERPRINT_Cmd_Get_Img();

44.

Delay_ms1(20);

45.

fig_dat=dat[9];

46.

return

(fig_dat);

47.

}

48.

49.

#endif