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发表于 2020-2-22 10:28:27
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实验之四:读取指纹库并列表
- /*
- 【Arduino】168种传感器模块系列实验(资料+代码+图形+仿真)
- 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
- 实验之四:读取指纹库并列表
- 安装库:IDE—工具—管理库—搜索Adafruit-Fingerprint-Sensor-Library—安装
- 实验接线:
- Vi +3.3V(请勿接3.3V以上电源,否则烧毁模块!)
- TX 2
- RX 3
- GND GND
- */
- #include <Adafruit_Fingerprint.h>
- int getFingerprintIDez();
- // pin #2 is IN from sensor (GREEN wire)
- // pin #3 is OUT from arduino (WHITE wire)
- SoftwareSerial mySerial(2, 3);
- Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);
- void setup()
- {
- while(!Serial);
- Serial.begin(9600);
- Serial.println("Fingerprint template extractor");
- // set the data rate for the sensor serial port
- finger.begin(57600);
-
- if (finger.verifyPassword()) {
- Serial.println("Found fingerprint sensor!");
- } else {
- Serial.println("Did not find fingerprint sensor :(");
- while (1);
- }
- // Try to get the templates for fingers 1 through 10
- for (int finger = 1; finger < 10; finger++) {
- downloadFingerprintTemplate(finger);
- }
- }
- uint8_t downloadFingerprintTemplate(uint16_t id)
- {
- Serial.println("------------------------------------");
- Serial.print("Attempting to load #"); Serial.println(id);
- uint8_t p = finger.loadModel(id);
- switch (p) {
- case FINGERPRINT_OK:
- Serial.print("Template "); Serial.print(id); Serial.println(" loaded");
- break;
- case FINGERPRINT_PACKETRECIEVEERR:
- Serial.println("Communication error");
- return p;
- default:
- Serial.print("Unknown error "); Serial.println(p);
- return p;
- }
- // OK success!
- Serial.print("Attempting to get #"); Serial.println(id);
- p = finger.getModel();
- switch (p) {
- case FINGERPRINT_OK:
- Serial.print("Template "); Serial.print(id); Serial.println(" transferring:");
- break;
- default:
- Serial.print("Unknown error "); Serial.println(p);
- return p;
- }
-
- // one data packet is 267 bytes. in one data packet, 11 bytes are 'usesless' :D
- uint8_t bytesReceived[534]; // 2 data packets
- memset(bytesReceived, 0xff, 534);
- uint32_t starttime = millis();
- int i = 0;
- while (i < 534 && (millis() - starttime) < 20000) {
- if (mySerial.available()) {
- bytesReceived[i++] = mySerial.read();
- }
- }
- Serial.print(i); Serial.println(" bytes read.");
- Serial.println("Decoding packet...");
- uint8_t fingerTemplate[512]; // the real template
- memset(fingerTemplate, 0xff, 512);
- // filtering only the data packets
- int uindx = 9, index = 0;
- while (index < 534) {
- while (index < uindx) ++index;
- uindx += 256;
- while (index < uindx) {
- fingerTemplate[index++] = bytesReceived[index];
- }
- uindx += 2;
- while (index < uindx) ++index;
- uindx = index + 9;
- }
- for (int i = 0; i < 512; ++i) {
- //Serial.print("0x");
- printHex(fingerTemplate[i], 2);
- //Serial.print(", ");
- }
- Serial.println("\ndone.");
- /*
- uint8_t templateBuffer[256];
- memset(templateBuffer, 0xff, 256); //zero out template buffer
- int index=0;
- uint32_t starttime = millis();
- while ((index < 256) && ((millis() - starttime) < 1000))
- {
- if (mySerial.available())
- {
- templateBuffer[index] = mySerial.read();
- index++;
- }
- }
-
- Serial.print(index); Serial.println(" bytes read");
-
- //dump entire templateBuffer. This prints out 16 lines of 16 bytes
- for (int count= 0; count < 16; count++)
- {
- for (int i = 0; i < 16; i++)
- {
- Serial.print("0x");
- Serial.print(templateBuffer[count*16+i], HEX);
- Serial.print(", ");
- }
- Serial.println();
- }*/
- }
- void printHex(int num, int precision) {
- char tmp[16];
- char format[128];
-
- sprintf(format, "%%.%dX", precision);
-
- sprintf(tmp, format, num);
- Serial.print(tmp);
- }
- void loop()
- {}
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