AS608指纹模块STM32驱动源码等资料下载

ID:364531 · 发表于 2018-7-8 22:00

AS608指纹模块电路原理图如下：

ATK-AS608 指纹识别模块常见问题和疑问
Q1：如何通过上位机修改波特率？
A：使用USB转串口设备连接模块后按照下图操作即可，数据包、安全等级也是这样修改。

Q2：为什么不建议设置口令？
A：口令和地址一旦修改就和上位机通讯不成功，口令忘记了就无法找回了。模块只能变成
砖头了！
Q3：触摸屏触摸虚拟按键没有反应或错位（2.8’\3.5’LCD）？
A：触摸屏没校准，需复位进行触摸校准。

单片机源程序如下:

#include "sys.h"
#include "delay.h"
#include "usart.h"
#include "lcd.h"
#include "key.h"
#include "touch.h"
#include "malloc.h"
#include "usmart.h"
#include "MMC_SD.h"
#include "ff.h"
#include "exfuns.h"
#include "fontupd.h"
#include "text.h"
#include "usart2.h"
#include "AS608.h"
#include "timer.h"
#define usart2_baund 57600//串口2波特率，根据指纹模块波特率更改
SysPara AS608Para;//指纹模块AS608参数
u16 ValidN;//模块内有效模板个数
u8** kbd_tbl;
const u8* kbd_menu[15]={"del_fp"," : ","add_fp","1","2","3","4","5","6","7","8","9","DEL","0","Enter",};//按键表
const u8* kbd_delFR[15]={"BACK"," : ","del_all","1","2","3","4","5","6","7","8","9","DEL","0","Enter",};//按键表
void Add_FR(void); //录指纹
void Del_FR(void); //删除指纹
void press_FR(void);//刷指纹
void ShowErrMessage(u8 ensure);//显示确认码错误信息
void AS608_load_keyboard(u16 x,u16 y,u8 **kbtbl);//加载虚拟键盘
u8 AS608_get_keynum(u16 x,u16 y);//获取键盘数
u16 GET_NUM(void);//获取数值
int main(void)
{
u8 ensure;
u8 key_num;
char *str;
Stm32_Clock_Init(9); //系统时钟设置
delay_init(72); //延时初始化
uart_init(72,115200); //串口1初始化，用于支持USMART
LCD_Init(); //初始化液晶
KEY_Init(); //按键初始化
usmart_dev.init(72); //usmart初始化
usart2_init(36,usart2_baund); //初始化串口2,用于与指纹模块通讯
PS_StaGPIO_Init(); //初始化FR读状态引脚
tp_dev.init(); //触摸屏初始化
mem_init(); //初始化内存池
exfuns_init(); //为fatfs相关变量申请内存
f_mount(fs[1],"1:",1); //挂载FLASH.
POINT_COLOR=RED;
while(font_init()) //检查字库
{
LCD_ShowString(60,50,240,16,16,"Font Error!");
delay_ms(200);
LCD_Fill(60,50,240,66,WHITE);//清除显示
delay_ms(200);
}
if(!(tp_dev.touchtype&0x80))//如果是电阻屏
{
Show_Str_Mid(0,30,"Adjust the touch screen?",16,240);
POINT_COLOR=BLUE;
Show_Str_Mid(0,60,"YES: KEY1 NO: KEY0",16,240);
while(1)
{
key_num=KEY_Scan(0);
if(key_num==KEY0_PRES)
break;
if(key_num==KEY1_PRES)
{
LCD_Clear(WHITE);
TP_Adjust(); //屏幕校准
TP_Save_Adjdata();//保存校准参数
break;
}
}
}
/*加载指纹识别实验界面*/
LCD_Clear(WHITE);
POINT_COLOR=RED;
Show_Str_Mid(0,0,"AS608 Fingerprint module test",16,240);
Show_Str_Mid(0,20,"Author: @ALIENTEK",16,240);
POINT_COLOR=BLUE;
Show_Str_Mid(0,40,"Connect with AS608....",16,240);
while(PS_HandShake(&AS608Addr))//与AS608模块握手
{
LCD_Fill(0,40,240,80,WHITE);
Show_Str_Mid(0,40,"Cannot connect with AS608!",16,240);
delay_ms(1000);
LCD_Fill(0,40,240,80,WHITE);
Show_Str_Mid(0,40,"Try to connect again....",16,240);
delay_ms(1000);
}
LCD_Fill(0,40,240,320,WHITE);
Show_Str_Mid(0,40,"Connect success!",16,240);//通讯成功
str=mymalloc(30);
sprintf(str,"Baudrate:%d Addr:%x",usart2_baund,AS608Addr);//显示波特率
Show_Str(0,60,240,16,(u8*)str,16,0);
delay_ms(100);
ensure=PS_ValidTempleteNum(&ValidN);//读库指纹个数
if(ensure!=0x00)
ShowErrMessage(ensure);//显示确认码错误信息
ensure=PS_ReadSysPara(&AS608Para); //读AS608模块参数
if(ensure==0x00)
{
mymemset(str,0,50);
sprintf(str,"RemainNum:%d Level:%d",AS608Para.PS_max-ValidN,AS608Para.PS_level);//显示剩余指纹数量和安全等级
Show_Str(0,80,240,16,(u8*)str,16,0);
}
else
ShowErrMessage(ensure);
myfree(str);
AS608_load_keyboard(0,170,(u8**)kbd_menu);//加载虚拟键盘
while(1)
{
key_num=AS608_get_keynum(0,170);
if(key_num)
{
if(key_num==1)Del_FR(); //删指纹
if(key_num==3)Add_FR(); //录指纹
}
if(PS_Sta) //检测PS_Sta状态，如果有手指按下
{
press_FR();//刷指纹
}
}
}
//加载按键界面（尺寸x,y为240*150）
//x,y:界面起始坐标（240*320分辨率的时候，x必须为0）
void AS608_load_keyboard(u16 x,u16 y,u8 **kbtbl)
{
u16 i;
POINT_COLOR=RED;
kbd_tbl=kbtbl;
LCD_Fill(x,y,x+240,y+150,WHITE);
LCD_DrawRectangle(x,y,x+240,y+150);
LCD_DrawRectangle(x+80,y,x+160,y+150);
LCD_DrawRectangle(x,y+30,x+240,y+60);
LCD_DrawRectangle(x,y+90,x+240,y+120);
POINT_COLOR=BLUE;
for(i=0;i<15;i++)
{
if(i==1)//按键表第2个‘:’不需要中间显示
Show_Str(x+(i%3)*80+2,y+7+30*(i/3),80,30,(u8*)kbd_tbl[i],16,0);
else
Show_Str_Mid(x+(i%3)*80,y+7+30*(i/3),(u8*)kbd_tbl[i],16,80);
}
}
//按键状态设置
//x,y:键盘坐标
//key:键值(0~14)
//sta:状态，0，松开；1，按下；
void AS608_key_staset(u16 x,u16 y,u8 keyx,u8 sta)
{
u16 i=keyx/3,j=keyx%3;
if(keyx>16)return;
if(sta &&keyx!=1)//按键表第2个‘:’不需要清除
LCD_Fill(x+j*80+1,y+i*30+1,x+j*80+78,y+i*30+28,GREEN);
else if(keyx!=1)
LCD_Fill(x+j*80+1,y+i*30+1,x+j*80+78,y+i*30+28,WHITE);
if(keyx!=1)//不是‘：’
Show_Str_Mid(x+j*80,y+7+30*i,(u8*)kbd_tbl[keyx],16,80);
}
//得到触摸屏的输入
//x,y:键盘坐标
//返回值:（1~15,对应按键表）
u8 AS608_get_keynum(u16 x,u16 y)
{
u16 i,j;
static u8 key_x=0;//0,没有任何按键按下
u8 key=0;
tp_dev.scan(0);
if(tp_dev.sta&TP_PRES_DOWN)//触摸屏被按下
{
for(i=0;i<5;i++)
{
for(j=0;j<3;j++)
{
if(tp_dev.x[0]<(x+j*80+80)&&tp_dev.x[0]>(x+j*80)&&tp_dev.y[0]<(y+i*30+30)&&tp_dev.y[0]>(y+i*30))
{
key=i*3+j+1;
break;
}
}
if(key)
{
if(key_x==key)key=0;
else
{
AS608_key_staset(x,y,key_x-1,0);
key_x=key;
AS608_key_staset(x,y,key_x-1,1);
}
break;
}
}
}else if(key_x)
{
AS608_key_staset(x,y,key_x-1,0);
key_x=0;
}
return key;
}
//获取键盘数值
u16 GET_NUM(void)
{
u8 key_num=0;
u16 num=0;
while(1)
{
key_num=AS608_get_keynum(0,170);
if(key_num)
{
if(key_num==1)return 0xFFFF;//‘返回’键
if(key_num==3)return 0xFF00;//
if(key_num>3&&key_num<13&&num<99)//‘1-9’键(限制输入3位数)
num =num*10+key_num-3;
if(key_num==13)num =num/10;//‘Del’键
if(key_num==14&&num<99)num =num*10;//‘0’键
if(key_num==15)return num; //‘Enter’键
}
LCD_ShowNum(80+15,170+7,num,6,16);
}
}
//显示确认码错误信息
void ShowErrMessage(u8 ensure)
{
LCD_Fill(0,120,lcddev.width,160,WHITE);
Show_Str_Mid(0,120,(u8*)EnsureMessage(ensure),16,240);
}
//录指纹
void Add_FR(void)
{
u8 i=0,ensure ,processnum=0;
u16 ID;
while(1)
{
switch (processnum)
{
case 0:
i++;
LCD_Fill(0,100,lcddev.width,160,WHITE);
Show_Str_Mid(0,100,"Pleas touch finger!",16,240);//请按手指
ensure=PS_GetImage();
if(ensure==0x00)
{
ensure=PS_GenChar(CharBuffer1);//生成特征
if(ensure==0x00)
{
LCD_Fill(0,120,lcddev.width,160,WHITE);
Show_Str_Mid(0,120,"Fingerprint correct",16,240);//指纹正确
i=0;
processnum=1;//跳到第二步
}else ShowErrMessage(ensure);
}else ShowErrMessage(ensure);
break;
case 1:
i++;
LCD_Fill(0,100,lcddev.width,160,WHITE);
Show_Str_Mid(0,100,"Pleas touch finger again!",16,240);//再按一次手指
ensure=PS_GetImage();
if(ensure==0x00)
{
ensure=PS_GenChar(CharBuffer2);//生成特征
if(ensure==0x00)
{
LCD_Fill(0,120,lcddev.width,160,WHITE);
Show_Str_Mid(0,120,"Fingerprint correct",16,240);//指纹正确
i=0;
processnum=2;//跳到第三步
}else ShowErrMessage(ensure);
}else ShowErrMessage(ensure);
break;
case 2:
LCD_Fill(0,100,lcddev.width,160,WHITE);
Show_Str_Mid(0,100,"Compare twice fingerprint",16,240);//对比两次指纹
ensure=PS_Match();
if(ensure==0x00)
{
LCD_Fill(0,120,lcddev.width,160,WHITE);
Show_Str_Mid(0,120,"Twice fingerprint are same",16,240);//两次指纹是一样的
processnum=3;//跳到第四步
}
else
{
LCD_Fill(0,100,lcddev.width,160,WHITE);
Show_Str_Mid(0,100,"Compare fail,pleas touch again!",16,240);//对比失败，请重新按手指
ShowErrMessage(ensure);
i=0;
processnum=0;//跳回第一步
}
delay_ms(1000);
break;
case 3:
LCD_Fill(0,100,lcddev.width,160,WHITE);
Show_Str_Mid(0,100,"Generate fingerprint template",16,240);//产生一个指纹模板
ensure=PS_RegModel();
if(ensure==0x00)
{
LCD_Fill(0,120,lcddev.width,160,WHITE);
Show_Str_Mid(0,120,"Generate fingerprint success",16,240);//生成指纹模板成功
processnum=4;//跳到第五步
}else {processnum=0;ShowErrMessage(ensure);}
delay_ms(1000);
break;
case 4:
LCD_Fill(0,100,lcddev.width,160,WHITE);
Show_Str_Mid(0,100,"Intput ID and save with ENTER!",16,240);//输入ID并按“Enter”保存
Show_Str_Mid(0,120,"0=< ID <=299",16,240);
do
ID=GET_NUM();
while(!(ID<300));//输入DI必须小于300
ensure=PS_StoreChar(CharBuffer2,ID);//储存模板
if(ensure==0x00)
{
LCD_Fill(0,100,lcddev.width,160,WHITE);
Show_Str_Mid(0,120,"Add fingerprint success!!!",16,240);//添加指纹成功
PS_ValidTempleteNum(&ValidN);//读库指纹个数
LCD_ShowNum(80,80,AS608Para.PS_max-ValidN,3,16);//显示剩余指纹个数
delay_ms(1500);//延时后清除显示
LCD_Fill(0,100,240,160,WHITE);
return ;
}else {processnum=0;ShowErrMessage(ensure);}
break;
}
delay_ms(800);
if(i==5)//超过5次没有按手指则退出
{
LCD_Fill(0,100,lcddev.width,160,WHITE);
break;
}
}
}
//刷指纹
void press_FR(void)
{
SearchResult seach;
u8 ensure;
char *str;
ensure=PS_GetImage();
if(ensure==0x00)//获取图像成功
{
ensure=PS_GenChar(CharBuffer1);
if(ensure==0x00) //生成特征成功
{
ensure=PS_HighSpeedSearch(CharBuffer1,0,300,&seach);
if(ensure==0x00)//搜索成功
{
LCD_Fill(0,100,lcddev.width,160,WHITE);
Show_Str_Mid(0,100,"Search fingerprint success",16,240);//搜索指纹成功
str=mymalloc(50);
sprintf(str,"Match ID:%d Match score:%d",seach.pageID,seach.mathscore);//显示匹配指纹的ID和分数
Show_Str_Mid(0,140,(u8*)str,16,240);
myfree(str);
}
else
ShowErrMessage(ensure);
}
else
ShowErrMessage(ensure);
delay_ms(1000);//延时后清除显示
LCD_Fill(0,100,lcddev.width,160,WHITE);
}
}
//删除指纹
void Del_FR(void)
{
u8 ensure;
u16 num;
LCD_Fill(0,100,lcddev.width,160,WHITE);
Show_Str_Mid(0,100,"Delete fingerprint",16,240);//显示删除指纹
Show_Str_Mid(0,120,"Input ID and touch Enter!",16,240);//显示输入ID并按下“Enter”
Show_Str_Mid(0,140,"0=< ID <=299",16,240);
delay_ms(50);
AS608_load_keyboard(0,170,(u8**)kbd_delFR);
num=GET_NUM();//获取返回的数值
if(num==0xFFFF)
goto MENU ; //返回主页面
else if(num==0xFF00)
ensure=PS_Empty();//清空指纹库
else
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