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【Arduino】168种传感器系列实验(150)--AS608光学指纹识别模块

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发布时间: 2020-2-16 20:43

正文摘要:

37款传感器与模块的提法,在网络上广泛流传,其实Arduino能够兼容的传感器模块肯定是不止37种的。鉴于本人手头积累了一些传感器和模块,依照实践出真知(一定要动手做)的理念,以学习和交流为目的,这里准备逐一动 ...

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ID:513258 发表于 2020-2-23 12:30
  1. /*
  2.   【Arduino】168种传感器模块系列实验(资料+代码+图形+仿真)
  3.   实验一百五十:AS608光学指纹识别模块+0.91寸OLED液晶屏显示模块
  4.   安装AS608库:IDE—工具—管理库—搜索Adafruit-Fingerprint-Sensor-Library—安装
  5.   安装OLED库:IDE—工具—管理库—搜索Adafruit_SSD1306—安装
  6.   安装OLED库:IDE—工具—管理库—搜索Adafruit_GFX—安装

  7.   实验程序之十三:识别指纹ID,OLED显示识别人名
  8.   AS608模块实验接线
  9.   Vi      +3.3V(请勿接3.3V以上电源,否则烧毁模块!)
  10.   TX      2
  11.   RX      3
  12.   GND    GND

  13.   OLED 屏幕实验接线
  14.   oled模块    Ardunio Uno
  15.   GND---------GND接地线
  16.   VCC---------5V 接电源
  17.   SDA---------A4
  18.   SCL ------- A5
  19. */

  20. #include <Wire.h>
  21. #include <Adafruit_GFX.h>
  22. #include <Adafruit_SSD1306.h>
  23. #define OLED_RESET 4
  24. Adafruit_SSD1306 display(OLED_RESET);

  25. #include <Adafruit_Fingerprint.h>
  26. #include <SoftwareSerial.h>
  27. SoftwareSerial mySerial(2, 3);

  28. Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);
  29. int fingerprintID = 0;
  30. String IDname;

  31. void setup() {
  32.   //Fingerprint sensor module setup
  33.   Serial.begin(9600);
  34.   // set the data rate for the sensor serial port
  35.   finger.begin(57600);

  36.   if (finger.verifyPassword()) {
  37.     Serial.println("Found fingerprint sensor!");
  38.   }
  39.   else {
  40.     Serial.println("Did not find fingerprint sensor :(");
  41.     while (1) {
  42.       delay(1);
  43.     }
  44.   }

  45.   //OLED display setup
  46.   Wire.begin();
  47.   display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  48.   //displays main screen
  49.   displayMainScreen();
  50. }

  51. void loop() {
  52.   displayMainScreen();
  53.   fingerprintID = getFingerprintIDez();
  54.   delay(50);
  55.   if (fingerprintID == 1 || fingerprintID == 3) {
  56.     IDname = "huadiao";
  57.     displayUserGreeting(IDname);
  58.   }
  59.   else if (fingerprintID == 2) {
  60.     IDname = "zhanghaoze";
  61.     displayUserGreeting(IDname);
  62.   }
  63. }

  64. // returns -1 if failed, otherwise returns ID #
  65. int getFingerprintIDez() {
  66.   uint8_t p = finger.getImage();
  67.   if (p != FINGERPRINT_OK)  return -1;

  68.   p = finger.image2Tz();
  69.   if (p != FINGERPRINT_OK)  return -1;

  70.   p = finger.fingerFastSearch();
  71.   if (p != FINGERPRINT_OK)  return -1;

  72.   // found a match!
  73.   Serial.print("Found ID #");
  74.   Serial.print(finger.fingerID);
  75.   Serial.print(" with confidence of ");
  76.   Serial.println(finger.confidence);
  77.   return finger.fingerID;
  78. }

  79. void displayMainScreen() {
  80.   display.clearDisplay();
  81.   display.setTextSize(1);
  82.   display.setTextColor(WHITE);
  83.   display.setCursor(7, 5);
  84.   display.println("Waiting fingerprint");
  85.   display.setTextSize(1);
  86.   display.setTextColor(WHITE);
  87.   display.setCursor(52, 20);
  88.   display.println("...");
  89.   display.display();
  90.   delay(2000);
  91. }

  92. void displayUserGreeting(String Name) {
  93.   display.clearDisplay();
  94.   display.setTextColor(WHITE);
  95.   display.setTextSize(2);
  96.   display.setCursor(0, 0);
  97.   display.print("Hello");
  98.   display.setCursor(0, 15);
  99.   display.print(Name);
  100.   display.display();
  101.   delay(5000);
  102.   fingerprintID = 0;
  103. }
复制代码


ID:513258 发表于 2020-2-22 11:19

  实验之六:删除所有指纹模板

  1. /*
  2.   【Arduino】168种传感器模块系列实验(资料+代码+图形+仿真)
  3.   实验一百五十:AS608光学指纹识别模块 智能锁/考勤门禁开发/指纹采集模块

  4.   实验之六:删除所有指纹模板
  5.   安装库:IDE—工具—管理库—搜索Adafruit-Fingerprint-Sensor-Library—安装
  6.   实验接线:
  7.   Vi      +3.3V(请勿接3.3V以上电源,否则烧毁模块!)
  8.   TX      2
  9.   RX      3
  10.   GND    GND
  11. */

  12. #include <Adafruit_Fingerprint.h>

  13. // On Leonardo/Micro or others with hardware serial, use those! #0 is green wire, #1 is white
  14. // uncomment this line:
  15. // #define mySerial Serial1

  16. // For UNO and others without hardware serial, we must use software serial...
  17. // pin #2 is IN from sensor (GREEN wire)
  18. // pin #3 is OUT from arduino  (WHITE wire)
  19. // comment these two lines if using hardware serial
  20. SoftwareSerial mySerial(2, 3);

  21. Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

  22. void setup()  
  23. {
  24.   Serial.begin(9600);
  25.   while (!Serial);  // For Yun/Leo/Micro/Zero/...
  26.   delay(100);

  27.   Serial.println("\n\nDeleting all fingerprint templates!");
  28.   Serial.println("Press 'Y' key to continue");

  29.   while (1) {
  30.     if (Serial.available() && (Serial.read() == 'Y')) {
  31.       break;
  32.     }
  33.   }

  34.   // set the data rate for the sensor serial port
  35.   finger.begin(57600);
  36.   
  37.   if (finger.verifyPassword()) {
  38.     Serial.println("Found fingerprint sensor!");
  39.   } else {
  40.     Serial.println("Did not find fingerprint sensor :(");
  41.     while (1);
  42.   }
  43.   
  44.   finger.emptyDatabase();

  45.   Serial.println("Now database is empty :)");
  46. }

  47. void loop() {
  48. }
复制代码



ID:513258 发表于 2020-2-22 10:47
实验之五:输入序号,删除指定指纹模板

  1. /*
  2.   【Arduino】168种传感器模块系列实验(资料+代码+图形+仿真)
  3.   实验一百五十:AS608光学指纹识别模块 智能锁/考勤门禁开发/指纹采集模块

  4.   实验之五:输入序号,删除指定指纹模板
  5.   安装库:IDE—工具—管理库—搜索Adafruit-Fingerprint-Sensor-Library—安装
  6.   实验接线:
  7.   Vi      +3.3V(请勿接3.3V以上电源,否则烧毁模块!)
  8.   TX      2
  9.   RX      3
  10.   GND    GND
  11. */

  12. #include <Adafruit_Fingerprint.h>

  13. // On Leonardo/Micro or others with hardware serial, use those! #0 is green wire, #1 is white
  14. // uncomment this line:
  15. // #define mySerial Serial1

  16. // For UNO and others without hardware serial, we must use software serial...
  17. // pin #2 is IN from sensor (GREEN wire)
  18. // pin #3 is OUT from arduino  (WHITE wire)
  19. // comment these two lines if using hardware serial
  20. SoftwareSerial mySerial(2, 3);

  21. Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

  22. void setup()  
  23. {
  24.   Serial.begin(9600);
  25.   while (!Serial);  // For Yun/Leo/Micro/Zero/...
  26.   delay(100);
  27.   Serial.println("\n\nDelete Finger");

  28.   // set the data rate for the sensor serial port
  29.   finger.begin(57600);
  30.   
  31.   if (finger.verifyPassword()) {
  32.     Serial.println("Found fingerprint sensor!");
  33.   } else {
  34.     Serial.println("Did not find fingerprint sensor :(");
  35.     while (1);
  36.   }
  37. }


  38. uint8_t readnumber(void) {
  39.   uint8_t num = 0;
  40.   
  41.   while (num == 0) {
  42.     while (! Serial.available());
  43.     num = Serial.parseInt();
  44.   }
  45.   return num;
  46. }

  47. void loop()                     // run over and over again
  48. {
  49.   Serial.println("Please type in the ID # (from 1 to 127) you want to delete...");
  50.   uint8_t id = readnumber();
  51.   if (id == 0) {// ID #0 not allowed, try again!
  52.      return;
  53.   }

  54.   Serial.print("Deleting ID #");
  55.   Serial.println(id);
  56.   
  57.   deleteFingerprint(id);
  58. }

  59. uint8_t deleteFingerprint(uint8_t id) {
  60.   uint8_t p = -1;
  61.   
  62.   p = finger.deleteModel(id);

  63.   if (p == FINGERPRINT_OK) {
  64.     Serial.println("Deleted!");
  65.   } else if (p == FINGERPRINT_PACKETRECIEVEERR) {
  66.     Serial.println("Communication error");
  67.     return p;
  68.   } else if (p == FINGERPRINT_BADLOCATION) {
  69.     Serial.println("Could not delete in that location");
  70.     return p;
  71.   } else if (p == FINGERPRINT_FLASHERR) {
  72.     Serial.println("Error writing to flash");
  73.     return p;
  74.   } else {
  75.     Serial.print("Unknown error: 0x"); Serial.println(p, HEX);
  76.     return p;
  77.   }   
  78. }
复制代码



ID:513258 发表于 2020-2-22 10:29

  实验之四:读取指纹库并列表


  1. /*
  2.   【Arduino】168种传感器模块系列实验(资料+代码+图形+仿真)
  3.   实验一百五十:AS608光学指纹识别模块 智能锁/考勤门禁开发/指纹采集模块

  4.   实验之四:读取指纹库并列表
  5.   安装库:IDE—工具—管理库—搜索Adafruit-Fingerprint-Sensor-Library—安装
  6.   实验接线:
  7.   Vi      +3.3V(请勿接3.3V以上电源,否则烧毁模块!)
  8.   TX      2
  9.   RX      3
  10.   GND    GND
  11. */


  12. #include <Adafruit_Fingerprint.h>

  13. int getFingerprintIDez();

  14. // pin #2 is IN from sensor (GREEN wire)
  15. // pin #3 is OUT from arduino  (WHITE wire)
  16. SoftwareSerial mySerial(2, 3);


  17. Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

  18. void setup()  
  19. {
  20.   while(!Serial);
  21.   Serial.begin(9600);
  22.   Serial.println("Fingerprint template extractor");

  23.   // set the data rate for the sensor serial port
  24.   finger.begin(57600);
  25.   
  26.   if (finger.verifyPassword()) {
  27.     Serial.println("Found fingerprint sensor!");
  28.   } else {
  29.     Serial.println("Did not find fingerprint sensor :(");
  30.     while (1);
  31.   }

  32.   // Try to get the templates for fingers 1 through 10
  33.   for (int finger = 1; finger < 10; finger++) {
  34.     downloadFingerprintTemplate(finger);
  35.   }
  36. }

  37. uint8_t downloadFingerprintTemplate(uint16_t id)
  38. {
  39.   Serial.println("------------------------------------");
  40.   Serial.print("Attempting to load #"); Serial.println(id);
  41.   uint8_t p = finger.loadModel(id);
  42.   switch (p) {
  43.     case FINGERPRINT_OK:
  44.       Serial.print("Template "); Serial.print(id); Serial.println(" loaded");
  45.       break;
  46.     case FINGERPRINT_PACKETRECIEVEERR:
  47.       Serial.println("Communication error");
  48.       return p;
  49.     default:
  50.       Serial.print("Unknown error "); Serial.println(p);
  51.       return p;
  52.   }

  53.   // OK success!

  54.   Serial.print("Attempting to get #"); Serial.println(id);
  55.   p = finger.getModel();
  56.   switch (p) {
  57.     case FINGERPRINT_OK:
  58.       Serial.print("Template "); Serial.print(id); Serial.println(" transferring:");
  59.       break;
  60.    default:
  61.       Serial.print("Unknown error "); Serial.println(p);
  62.       return p;
  63.   }
  64.   
  65.   // one data packet is 267 bytes. in one data packet, 11 bytes are 'usesless' :D
  66.   uint8_t bytesReceived[534]; // 2 data packets
  67.   memset(bytesReceived, 0xff, 534);

  68.   uint32_t starttime = millis();
  69.   int i = 0;
  70.   while (i < 534 && (millis() - starttime) < 20000) {
  71.       if (mySerial.available()) {
  72.           bytesReceived[i++] = mySerial.read();
  73.       }
  74.   }
  75.   Serial.print(i); Serial.println(" bytes read.");
  76.   Serial.println("Decoding packet...");

  77.   uint8_t fingerTemplate[512]; // the real template
  78.   memset(fingerTemplate, 0xff, 512);

  79.   // filtering only the data packets
  80.   int uindx = 9, index = 0;
  81.   while (index < 534) {
  82.       while (index < uindx) ++index;
  83.       uindx += 256;
  84.       while (index < uindx) {
  85.           fingerTemplate[index++] = bytesReceived[index];
  86.       }
  87.       uindx += 2;
  88.       while (index < uindx) ++index;
  89.       uindx = index + 9;
  90.   }
  91.   for (int i = 0; i < 512; ++i) {
  92.       //Serial.print("0x");
  93.       printHex(fingerTemplate[i], 2);
  94.       //Serial.print(", ");
  95.   }
  96.   Serial.println("\ndone.");

  97.   /*
  98.   uint8_t templateBuffer[256];
  99.   memset(templateBuffer, 0xff, 256);  //zero out template buffer
  100.   int index=0;
  101.   uint32_t starttime = millis();
  102.   while ((index < 256) && ((millis() - starttime) < 1000))
  103.   {
  104.     if (mySerial.available())
  105.     {
  106.       templateBuffer[index] = mySerial.read();
  107.       index++;
  108.     }
  109.   }
  110.   
  111.   Serial.print(index); Serial.println(" bytes read");
  112.   
  113.   //dump entire templateBuffer.  This prints out 16 lines of 16 bytes
  114.   for (int count= 0; count < 16; count++)
  115.   {
  116.     for (int i = 0; i < 16; i++)
  117.     {
  118.       Serial.print("0x");
  119.       Serial.print(templateBuffer[count*16+i], HEX);
  120.       Serial.print(", ");
  121.     }
  122.     Serial.println();
  123.   }*/
  124. }



  125. void printHex(int num, int precision) {
  126.     char tmp[16];
  127.     char format[128];

  128.     sprintf(format, "%%.%dX", precision);

  129.     sprintf(tmp, format, num);
  130.     Serial.print(tmp);
  131. }

  132. void loop()
  133. {}
复制代码



ID:513258 发表于 2020-2-22 09:55
  1. /*
  2.   【Arduino】168种传感器模块系列实验(资料+代码+图形+仿真)
  3.   实验一百五十:AS608光学指纹识别模块 智能锁/考勤门禁开发/指纹采集模块

  4.   实验之三:查找一个匹配的指纹
  5.   安装库:IDE—工具—管理库—搜索Adafruit-Fingerprint-Sensor-Library—安装
  6.   实验接线:
  7.   Vi      +3.3V(请勿接3.3V以上电源,否则烧毁模块!)
  8.   TX      2
  9.   RX      3
  10.   GND    GND
  11. */

  12. #include <Adafruit_Fingerprint.h>

  13. // On Leonardo/Micro or others with hardware serial, use those! #0 is green wire, #1 is white
  14. // uncomment this line:
  15. // #define mySerial Serial1

  16. // For UNO and others without hardware serial, we must use software serial...
  17. // pin #2 is IN from sensor (GREEN wire)
  18. // pin #3 is OUT from arduino  (WHITE wire)
  19. // comment these two lines if using hardware serial
  20. SoftwareSerial mySerial(2, 3);

  21. Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

  22. void setup()  
  23. {
  24.   Serial.begin(9600);
  25.   while (!Serial);  // For Yun/Leo/Micro/Zero/...
  26.   delay(100);
  27.   Serial.println("\n\nAdafruit finger detect test");

  28.   // set the data rate for the sensor serial port
  29.   finger.begin(57600);
  30.   delay(5);
  31.   if (finger.verifyPassword()) {
  32.     Serial.println("Found fingerprint sensor!");
  33.   } else {
  34.     Serial.println("Did not find fingerprint sensor :(");
  35.     while (1) { delay(1); }
  36.   }

  37.   finger.getTemplateCount();
  38.   Serial.print("Sensor contains "); Serial.print(finger.templateCount); Serial.println(" templates");
  39.   Serial.println("Waiting for valid finger...");
  40. }

  41. void loop()                     // run over and over again
  42. {
  43.   getFingerprintIDez();
  44.   delay(50);            //don't ned to run this at full speed.
  45. }

  46. uint8_t getFingerprintID() {
  47.   uint8_t p = finger.getImage();
  48.   switch (p) {
  49.     case FINGERPRINT_OK:
  50.       Serial.println("Image taken");
  51.       break;
  52.     case FINGERPRINT_NOFINGER:
  53.       Serial.println("No finger detected");
  54.       return p;
  55.     case FINGERPRINT_PACKETRECIEVEERR:
  56.       Serial.println("Communication error");
  57.       return p;
  58.     case FINGERPRINT_IMAGEFAIL:
  59.       Serial.println("Imaging error");
  60.       return p;
  61.     default:
  62.       Serial.println("Unknown error");
  63.       return p;
  64.   }

  65.   // OK success!

  66.   p = finger.image2Tz();
  67.   switch (p) {
  68.     case FINGERPRINT_OK:
  69.       Serial.println("Image converted");
  70.       break;
  71.     case FINGERPRINT_IMAGEMESS:
  72.       Serial.println("Image too messy");
  73.       return p;
  74.     case FINGERPRINT_PACKETRECIEVEERR:
  75.       Serial.println("Communication error");
  76.       return p;
  77.     case FINGERPRINT_FEATUREFAIL:
  78.       Serial.println("Could not find fingerprint features");
  79.       return p;
  80.     case FINGERPRINT_INVALIDIMAGE:
  81.       Serial.println("Could not find fingerprint features");
  82.       return p;
  83.     default:
  84.       Serial.println("Unknown error");
  85.       return p;
  86.   }
  87.   
  88.   // OK converted!
  89.   p = finger.fingerFastSearch();
  90.   if (p == FINGERPRINT_OK) {
  91.     Serial.println("Found a print match!");
  92.   } else if (p == FINGERPRINT_PACKETRECIEVEERR) {
  93.     Serial.println("Communication error");
  94.     return p;
  95.   } else if (p == FINGERPRINT_NOTFOUND) {
  96.     Serial.println("Did not find a match");
  97.     return p;
  98.   } else {
  99.     Serial.println("Unknown error");
  100.     return p;
  101.   }   
  102.   
  103.   // found a match!
  104.   Serial.print("Found ID #"); Serial.print(finger.fingerID);
  105.   Serial.print(" with confidence of "); Serial.println(finger.confidence);

  106.   return finger.fingerID;
  107. }

  108. // returns -1 if failed, otherwise returns ID #
  109. int getFingerprintIDez() {
  110.   uint8_t p = finger.getImage();
  111.   if (p != FINGERPRINT_OK)  return -1;

  112.   p = finger.image2Tz();
  113.   if (p != FINGERPRINT_OK)  return -1;

  114.   p = finger.fingerFastSearch();
  115.   if (p != FINGERPRINT_OK)  return -1;
  116.   
  117.   // found a match!
  118.   Serial.print("Found ID #"); Serial.print(finger.fingerID);
  119.   Serial.print(" with confidence of "); Serial.println(finger.confidence);
  120.   return finger.fingerID;
  121. }
复制代码


ID:513258 发表于 2020-2-21 16:39
  1. /*
  2.   【Arduino】168种传感器模块系列实验(资料+代码+图形+仿真)
  3.   实验一百五十:AS608光学指纹识别模块 智能锁/考勤门禁开发/指纹采集模块
  4.   
  5.   实验之二:输入序号,注册指纹示例
  6.   安装库:IDE—工具—管理库—搜索Adafruit-Fingerprint-Sensor-Library—安装
  7.   实验接线:
  8.   Vi      +3.3V(请勿接3.3V以上电源,否则烧毁模块!)
  9.   TX      2
  10.   RX      3
  11.   GND    GND
  12. */

  13. #include <Adafruit_Fingerprint.h>

  14. // On Leonardo/Micro or others with hardware serial, use those! #0 is green wire, #1 is white
  15. // uncomment this line:
  16. // #define mySerial Serial1

  17. // For UNO and others without hardware serial, we must use software serial...
  18. // pin #2 is IN from sensor (GREEN wire)
  19. // pin #3 is OUT from arduino  (WHITE wire)
  20. // comment these two lines if using hardware serial
  21. SoftwareSerial mySerial(2, 3);

  22. Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

  23. uint8_t id;

  24. void setup()  
  25. {
  26.   Serial.begin(9600);
  27.   while (!Serial);  // For Yun/Leo/Micro/Zero/...
  28.   delay(100);
  29.   Serial.println("\n\nAdafruit Fingerprint sensor enrollment");

  30.   // 设置传感器串行端口的数据速率
  31.   finger.begin(57600);
  32.   
  33.   if (finger.verifyPassword()) {
  34.     Serial.println("Found fingerprint sensor!");
  35.   } else {
  36.     Serial.println("Did not find fingerprint sensor :(");
  37.     while (1) { delay(1); }
  38.   }
  39. }

  40. uint8_t readnumber(void) {
  41.   uint8_t num = 0;
  42.   
  43.   while (num == 0) {
  44.     while (! Serial.available());
  45.     num = Serial.parseInt();
  46.   }
  47.   return num;
  48. }

  49. void loop()                      // 循环执行
  50. {
  51.   Serial.println("Ready to enroll a fingerprint!");
  52.   Serial.println("Please type in the ID # (from 1 to 127) you want to save this finger as...");
  53.   id = readnumber();
  54.   if (id == 0) {// ID #0 not allowed, try again!
  55.      return;
  56.   }
  57.   Serial.print("Enrolling ID #");
  58.   Serial.println(id);
  59.   
  60.   while (!  getFingerprintEnroll() );
  61. }

  62. uint8_t getFingerprintEnroll() {

  63.   int p = -1;
  64.   Serial.print("Waiting for valid finger to enroll as #"); Serial.println(id);
  65.   while (p != FINGERPRINT_OK) {
  66.     p = finger.getImage();
  67.     switch (p) {
  68.     case FINGERPRINT_OK:
  69.       Serial.println("Image taken");
  70.       break;
  71.     case FINGERPRINT_NOFINGER:
  72.       Serial.println(".");
  73.       break;
  74.     case FINGERPRINT_PACKETRECIEVEERR:
  75.       Serial.println("Communication error");
  76.       break;
  77.     case FINGERPRINT_IMAGEFAIL:
  78.       Serial.println("Imaging error");
  79.       break;
  80.     default:
  81.       Serial.println("Unknown error");
  82.       break;
  83.     }
  84.   }

  85.   // OK success!

  86.   p = finger.image2Tz(1);
  87.   switch (p) {
  88.     case FINGERPRINT_OK:
  89.       Serial.println("Image converted");
  90.       break;
  91.     case FINGERPRINT_IMAGEMESS:
  92.       Serial.println("Image too messy");
  93.       return p;
  94.     case FINGERPRINT_PACKETRECIEVEERR:
  95.       Serial.println("Communication error");
  96.       return p;
  97.     case FINGERPRINT_FEATUREFAIL:
  98.       Serial.println("Could not find fingerprint features");
  99.       return p;
  100.     case FINGERPRINT_INVALIDIMAGE:
  101.       Serial.println("Could not find fingerprint features");
  102.       return p;
  103.     default:
  104.       Serial.println("Unknown error");
  105.       return p;
  106.   }
  107.   
  108.   Serial.println("Remove finger");
  109.   delay(2000);
  110.   p = 0;
  111.   while (p != FINGERPRINT_NOFINGER) {
  112.     p = finger.getImage();
  113.   }
  114.   Serial.print("ID "); Serial.println(id);
  115.   p = -1;
  116.   Serial.println("Place same finger again");
  117.   while (p != FINGERPRINT_OK) {
  118.     p = finger.getImage();
  119.     switch (p) {
  120.     case FINGERPRINT_OK:
  121.       Serial.println("Image taken");
  122.       break;
  123.     case FINGERPRINT_NOFINGER:
  124.       Serial.print(".");
  125.       break;
  126.     case FINGERPRINT_PACKETRECIEVEERR:
  127.       Serial.println("Communication error");
  128.       break;
  129.     case FINGERPRINT_IMAGEFAIL:
  130.       Serial.println("Imaging error");
  131.       break;
  132.     default:
  133.       Serial.println("Unknown error");
  134.       break;
  135.     }
  136.   }

  137.   // OK success!

  138.   p = finger.image2Tz(2);
  139.   switch (p) {
  140.     case FINGERPRINT_OK:
  141.       Serial.println("Image converted");
  142.       break;
  143.     case FINGERPRINT_IMAGEMESS:
  144.       Serial.println("Image too messy");
  145.       return p;
  146.     case FINGERPRINT_PACKETRECIEVEERR:
  147.       Serial.println("Communication error");
  148.       return p;
  149.     case FINGERPRINT_FEATUREFAIL:
  150.       Serial.println("Could not find fingerprint features");
  151.       return p;
  152.     case FINGERPRINT_INVALIDIMAGE:
  153.       Serial.println("Could not find fingerprint features");
  154.       return p;
  155.     default:
  156.       Serial.println("Unknown error");
  157.       return p;
  158.   }
  159.   
  160.   // OK converted!
  161.   Serial.print("Creating model for #");  Serial.println(id);
  162.   
  163.   p = finger.createModel();
  164.   if (p == FINGERPRINT_OK) {
  165.     Serial.println("Prints matched!");
  166.   } else if (p == FINGERPRINT_PACKETRECIEVEERR) {
  167.     Serial.println("Communication error");
  168.     return p;
  169.   } else if (p == FINGERPRINT_ENROLLMISMATCH) {
  170.     Serial.println("Fingerprints did not match");
  171.     return p;
  172.   } else {
  173.     Serial.println("Unknown error");
  174.     return p;
  175.   }   
  176.   
  177.   Serial.print("ID "); Serial.println(id);
  178.   p = finger.storeModel(id);
  179.   if (p == FINGERPRINT_OK) {
  180.     Serial.println("Stored!");
  181.   } else if (p == FINGERPRINT_PACKETRECIEVEERR) {
  182.     Serial.println("Communication error");
  183.     return p;
  184.   } else if (p == FINGERPRINT_BADLOCATION) {
  185.     Serial.println("Could not store in that location");
  186.     return p;
  187.   } else if (p == FINGERPRINT_FLASHERR) {
  188.     Serial.println("Error writing to flash");
  189.     return p;
  190.   } else {
  191.     Serial.println("Unknown error");
  192.     return p;
  193.   }   
  194. }
复制代码


ID:513258 发表于 2020-2-18 18:49
  1. /*
  2.   【Arduino】168种传感器模块系列实验(资料+代码+图形+仿真)
  3.   实验一百五十:AS608光学指纹识别模块 智能锁/考勤门禁开发/指纹采集模块
  4.   实验之一:Adafruit指纹传感器,更改密码示例
  5.   安装库:IDE—工具—管理库—搜索Adafruit-Fingerprint-Sensor-Library—安装
  6.   实验接线:
  7.   Vi      +3.3V(请勿接3.3V以上电源,否则烧毁模块!)
  8.   TX      2
  9.   RX      3
  10.   GND    GND
  11. */

  12. #include <Adafruit_Fingerprint.h>

  13. // On Leonardo/Micro or others with hardware serial, use those! #0 is green wire, #1 is white
  14. // uncomment this line:
  15. // #define mySerial Serial1

  16. // For UNO and others without hardware serial, we must use software serial...
  17. // pin #2 is IN from sensor (GREEN wire)
  18. // pin #3 is OUT from arduino  (WHITE wire)
  19. // comment these two lines if using hardware serial
  20. SoftwareSerial mySerial(2, 3);

  21. // Using sensor without password
  22. Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

  23. // Using sensor with password
  24. //Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial, 1337);

  25. void setup()
  26. {
  27.   while (!Serial);  // For Yun/Leo/Micro/Zero/...

  28.   Serial.begin(9600);
  29.   Serial.println("Adafruit fingerprint sensor, change password example");

  30.   // set the data rate for the sensor serial port
  31.   finger.begin(19200);

  32.   if (finger.verifyPassword()) {
  33.     Serial.println("Found fingerprint sensor!");
  34.   } else {
  35.     Serial.println("Did not find fingerprint sensor :(");
  36.     while (1);
  37.   }

  38.   Serial.print("Set password... ");
  39.   uint8_t p = finger.setPassword(1337);
  40.   if (p == FINGERPRINT_OK) {
  41.     Serial.println("OK"); // Password is set
  42.   } else {
  43.     Serial.println("ERROR"); // Failed to set password
  44.   }
  45. }

  46. void loop()
  47. {

  48. }
复制代码


ID:513258 发表于 2020-2-17 19:36
yechuan220 发表于 2020-2-17 15:18
感觉很高深的样子,感觉很复杂

不会啊,简单知识点
ID:259035 发表于 2020-2-17 15:18
感觉很高深的样子,感觉很复杂

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