mirror of https://github.com/arendst/Tasmota.git
566 lines
20 KiB
C++
566 lines
20 KiB
C++
/*!
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* @file Adafruit_Fingerprint.cpp
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*
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* @mainpage Adafruit Fingerprint Sensor Library
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*
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* @section intro_sec Introduction
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*
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* This is a library for our optical Fingerprint sensor
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*
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* Designed specifically to work with the Adafruit Fingerprint sensor
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* ----> http://www.adafruit.com/products/751
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*
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* These displays use TTL Serial to communicate, 2 pins are required to
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* interface
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* Adafruit invests time and resources providing this open source code,
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* please support Adafruit and open-source hardware by purchasing
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* products from Adafruit!
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*
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* @section author Author
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*
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* Written by Limor Fried/Ladyada for Adafruit Industries.
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*
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* @section license License
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*
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* BSD license, all text above must be included in any redistribution
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*
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*/
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#include "Adafruit_Fingerprint.h"
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//#define FINGERPRINT_DEBUG
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/*!
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* @brief Gets the command packet
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*/
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#define GET_CMD_PACKET(...) \
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uint8_t data[] = {__VA_ARGS__}; \
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Adafruit_Fingerprint_Packet packet(FINGERPRINT_COMMANDPACKET, sizeof(data), \
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data); \
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writeStructuredPacket(packet); \
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if (getStructuredPacket(&packet) != FINGERPRINT_OK) \
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return FINGERPRINT_PACKETRECIEVEERR; \
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if (packet.type != FINGERPRINT_ACKPACKET) \
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return FINGERPRINT_PACKETRECIEVEERR;
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/*!
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* @brief Sends the command packet
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*/
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#define SEND_CMD_PACKET(...) \
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GET_CMD_PACKET(__VA_ARGS__); \
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return packet.data[0];
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/***************************************************************************
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PUBLIC FUNCTIONS
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***************************************************************************/
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#if defined(__AVR__) || defined(ESP8266) || defined(ESP32) || defined(FREEDOM_E300_HIFIVE1)
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/**************************************************************************/
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/*!
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@brief Instantiates sensor with Software Serial
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@param ss Pointer to SoftwareSerial object
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@param password 32-bit integer password (default is 0)
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*/
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/**************************************************************************/
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//Adafruit_Fingerprint::Adafruit_Fingerprint(SoftwareSerial *ss,
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Adafruit_Fingerprint::Adafruit_Fingerprint(TasmotaSerial *ss,
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uint32_t password) {
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thePassword = password;
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theAddress = 0xFFFFFFFF;
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hwSerial = NULL;
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swSerial = ss;
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mySerial = swSerial;
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}
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#endif
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/**************************************************************************/
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/*!
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@brief Instantiates sensor with Hardware Serial
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@param hs Pointer to HardwareSerial object
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@param password 32-bit integer password (default is 0)
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*/
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/**************************************************************************/
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Adafruit_Fingerprint::Adafruit_Fingerprint(HardwareSerial *hs,
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uint32_t password) {
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thePassword = password;
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theAddress = 0xFFFFFFFF;
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#if defined(__AVR__) || defined(ESP8266) || defined(ESP32) || defined(FREEDOM_E300_HIFIVE1)
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swSerial = NULL;
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#endif
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hwSerial = hs;
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mySerial = hwSerial;
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}
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/**************************************************************************/
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/*!
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@brief Instantiates sensor with a stream for Serial
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@param serial Pointer to a Stream object
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@param password 32-bit integer password (default is 0)
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*/
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/**************************************************************************/
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Adafruit_Fingerprint::Adafruit_Fingerprint(Stream *serial, uint32_t password) {
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thePassword = password;
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theAddress = 0xFFFFFFFF;
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hwSerial = NULL;
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#if defined(__AVR__) || defined(ESP8266) || defined(ESP32) || defined(FREEDOM_E300_HIFIVE1)
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swSerial = NULL;
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#endif
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mySerial = serial;
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}
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/**************************************************************************/
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/*!
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@brief Initializes serial interface and baud rate
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@param baudrate Sensor's UART baud rate (usually 57600, 9600 or 115200)
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*/
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/**************************************************************************/
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void Adafruit_Fingerprint::begin(uint32_t baudrate) {
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delay(1000); // one second delay to let the sensor 'boot up'
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if (hwSerial)
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hwSerial->begin(baudrate);
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#if defined(__AVR__) || defined(ESP8266) || defined(ESP32) || defined(FREEDOM_E300_HIFIVE1)
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if (swSerial)
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swSerial->begin(baudrate);
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#endif
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}
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/**************************************************************************/
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/*!
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@brief Verifies the sensors' access password (default password is
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0x0000000). A good way to also check if the sensors is active and responding
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@returns True if password is correct
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*/
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/**************************************************************************/
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boolean Adafruit_Fingerprint::verifyPassword(void) {
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return checkPassword() == FINGERPRINT_OK;
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}
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uint8_t Adafruit_Fingerprint::checkPassword(void) {
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GET_CMD_PACKET(FINGERPRINT_VERIFYPASSWORD, (uint8_t)(thePassword >> 24),
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(uint8_t)(thePassword >> 16), (uint8_t)(thePassword >> 8),
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(uint8_t)(thePassword & 0xFF));
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if (packet.data[0] == FINGERPRINT_OK)
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return FINGERPRINT_OK;
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else
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return FINGERPRINT_PACKETRECIEVEERR;
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}
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/**************************************************************************/
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/*!
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@brief Get the sensors parameters, fills in the member variables
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status_reg, system_id, capacity, security_level, device_addr, packet_len
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and baud_rate
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@returns True if password is correct
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*/
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/**************************************************************************/
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uint8_t Adafruit_Fingerprint::getParameters(void) {
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GET_CMD_PACKET(FINGERPRINT_READSYSPARAM);
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status_reg = ((uint16_t)packet.data[1] << 8) | packet.data[2];
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system_id = ((uint16_t)packet.data[3] << 8) | packet.data[4];
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capacity = ((uint16_t)packet.data[5] << 8) | packet.data[6];
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security_level = ((uint16_t)packet.data[7] << 8) | packet.data[8];
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device_addr = ((uint32_t)packet.data[9] << 24) |
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((uint32_t)packet.data[10] << 16) |
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((uint32_t)packet.data[11] << 8) | (uint32_t)packet.data[12];
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packet_len = ((uint16_t)packet.data[13] << 8) | packet.data[14];
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if (packet_len == 0) {
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packet_len = 32;
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} else if (packet_len == 1) {
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packet_len = 64;
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} else if (packet_len == 2) {
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packet_len = 128;
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} else if (packet_len == 3) {
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packet_len = 256;
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}
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baud_rate = (((uint16_t)packet.data[15] << 8) | packet.data[16]) * 9600;
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return packet.data[0];
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}
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/**************************************************************************/
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/*!
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@brief Ask the sensor to take an image of the finger pressed on surface
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@returns <code>FINGERPRINT_OK</code> on success
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@returns <code>FINGERPRINT_NOFINGER</code> if no finger detected
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@returns <code>FINGERPRINT_PACKETRECIEVEERR</code> on communication error
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@returns <code>FINGERPRINT_IMAGEFAIL</code> on imaging error
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*/
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/**************************************************************************/
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uint8_t Adafruit_Fingerprint::getImage(void) {
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SEND_CMD_PACKET(FINGERPRINT_GETIMAGE);
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}
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/**************************************************************************/
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/*!
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@brief Ask the sensor to convert image to feature template
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@param slot Location to place feature template (put one in 1 and another in
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2 for verification to create model)
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@returns <code>FINGERPRINT_OK</code> on success
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@returns <code>FINGERPRINT_IMAGEMESS</code> if image is too messy
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@returns <code>FINGERPRINT_PACKETRECIEVEERR</code> on communication error
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@returns <code>FINGERPRINT_FEATUREFAIL</code> on failure to identify
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fingerprint features
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@returns <code>FINGERPRINT_INVALIDIMAGE</code> on failure to identify
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fingerprint features
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*/
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uint8_t Adafruit_Fingerprint::image2Tz(uint8_t slot) {
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SEND_CMD_PACKET(FINGERPRINT_IMAGE2TZ, slot);
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}
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/**************************************************************************/
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/*!
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@brief Ask the sensor to take two print feature template and create a
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model
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@returns <code>FINGERPRINT_OK</code> on success
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@returns <code>FINGERPRINT_PACKETRECIEVEERR</code> on communication error
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@returns <code>FINGERPRINT_ENROLLMISMATCH</code> on mismatch of fingerprints
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*/
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uint8_t Adafruit_Fingerprint::createModel(void) {
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SEND_CMD_PACKET(FINGERPRINT_REGMODEL);
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}
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/**************************************************************************/
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/*!
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@brief Ask the sensor to store the calculated model for later matching
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@param location The model location #
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@returns <code>FINGERPRINT_OK</code> on success
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@returns <code>FINGERPRINT_BADLOCATION</code> if the location is invalid
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@returns <code>FINGERPRINT_FLASHERR</code> if the model couldn't be written
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to flash memory
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@returns <code>FINGERPRINT_PACKETRECIEVEERR</code> on communication error
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*/
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uint8_t Adafruit_Fingerprint::storeModel(uint16_t location) {
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SEND_CMD_PACKET(FINGERPRINT_STORE, 0x01, (uint8_t)(location >> 8),
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(uint8_t)(location & 0xFF));
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}
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/**************************************************************************/
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/*!
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@brief Ask the sensor to load a fingerprint model from flash into buffer 1
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@param location The model location #
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@returns <code>FINGERPRINT_OK</code> on success
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@returns <code>FINGERPRINT_BADLOCATION</code> if the location is invalid
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@returns <code>FINGERPRINT_PACKETRECIEVEERR</code> on communication error
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*/
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uint8_t Adafruit_Fingerprint::loadModel(uint16_t location) {
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SEND_CMD_PACKET(FINGERPRINT_LOAD, 0x01, (uint8_t)(location >> 8),
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(uint8_t)(location & 0xFF));
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}
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/**************************************************************************/
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/*!
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@brief Ask the sensor to transfer 256-byte fingerprint template from the
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buffer to the UART
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@returns <code>FINGERPRINT_OK</code> on success
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@returns <code>FINGERPRINT_PACKETRECIEVEERR</code> on communication error
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*/
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uint8_t Adafruit_Fingerprint::getModel(void) {
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SEND_CMD_PACKET(FINGERPRINT_UPLOAD, 0x01);
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}
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/**************************************************************************/
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/*!
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@brief Ask the sensor to delete a model in memory
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@param location The model location #
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@returns <code>FINGERPRINT_OK</code> on success
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@returns <code>FINGERPRINT_BADLOCATION</code> if the location is invalid
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@returns <code>FINGERPRINT_FLASHERR</code> if the model couldn't be written
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to flash memory
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@returns <code>FINGERPRINT_PACKETRECIEVEERR</code> on communication error
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*/
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uint8_t Adafruit_Fingerprint::deleteModel(uint16_t location) {
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SEND_CMD_PACKET(FINGERPRINT_DELETE, (uint8_t)(location >> 8),
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(uint8_t)(location & 0xFF), 0x00, 0x01);
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}
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/**************************************************************************/
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/*!
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@brief Ask the sensor to delete ALL models in memory
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@returns <code>FINGERPRINT_OK</code> on success
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@returns <code>FINGERPRINT_BADLOCATION</code> if the location is invalid
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@returns <code>FINGERPRINT_FLASHERR</code> if the model couldn't be written
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to flash memory
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@returns <code>FINGERPRINT_PACKETRECIEVEERR</code> on communication error
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*/
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uint8_t Adafruit_Fingerprint::emptyDatabase(void) {
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SEND_CMD_PACKET(FINGERPRINT_EMPTY);
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}
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/**************************************************************************/
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/*!
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@brief Ask the sensor to search the current slot 1 fingerprint features to
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match saved templates. The matching location is stored in <b>fingerID</b> and
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the matching confidence in <b>confidence</b>
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@returns <code>FINGERPRINT_OK</code> on fingerprint match success
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@returns <code>FINGERPRINT_NOTFOUND</code> no match made
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@returns <code>FINGERPRINT_PACKETRECIEVEERR</code> on communication error
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*/
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/**************************************************************************/
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uint8_t Adafruit_Fingerprint::fingerFastSearch(void) {
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// high speed search of slot #1 starting at page 0x0000 and page #0x00A3
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GET_CMD_PACKET(FINGERPRINT_HISPEEDSEARCH, 0x01, 0x00, 0x00, 0x00, 0xA3);
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fingerID = 0xFFFF;
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confidence = 0xFFFF;
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fingerID = packet.data[1];
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fingerID <<= 8;
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fingerID |= packet.data[2];
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confidence = packet.data[3];
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confidence <<= 8;
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confidence |= packet.data[4];
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return packet.data[0];
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}
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/**************************************************************************/
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/*!
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@brief Control the built in LED
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@param on True if you want LED on, False to turn LED off
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@returns <code>FINGERPRINT_OK</code> on success
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*/
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/**************************************************************************/
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uint8_t Adafruit_Fingerprint::LEDcontrol(bool on) {
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if (on) {
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SEND_CMD_PACKET(FINGERPRINT_LEDON);
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} else {
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SEND_CMD_PACKET(FINGERPRINT_LEDOFF);
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}
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}
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/**************************************************************************/
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/*!
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@brief Control the built in Aura LED (if exists). Check datasheet/manual
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for different colors and control codes available
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@param control The control code (e.g. breathing, full on)
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@param speed How fast to go through the breathing/blinking cycles
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@param coloridx What color to light the indicator
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@param count How many repeats of blinks/breathing cycles
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@returns <code>FINGERPRINT_OK</code> on fingerprint match success
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@returns <code>FINGERPRINT_NOTFOUND</code> no match made
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@returns <code>FINGERPRINT_PACKETRECIEVEERR</code> on communication error
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*/
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/**************************************************************************/
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uint8_t Adafruit_Fingerprint::LEDcontrol(uint8_t control, uint8_t speed,
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uint8_t coloridx, uint8_t count) {
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SEND_CMD_PACKET(FINGERPRINT_AURALEDCONFIG, control, speed, coloridx, count);
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}
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/**************************************************************************/
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/*!
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@brief Ask the sensor to search the current slot fingerprint features to
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match saved templates. The matching location is stored in <b>fingerID</b> and
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the matching confidence in <b>confidence</b>
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@param slot The slot to use for the print search, defaults to 1
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@returns <code>FINGERPRINT_OK</code> on fingerprint match success
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@returns <code>FINGERPRINT_NOTFOUND</code> no match made
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@returns <code>FINGERPRINT_PACKETRECIEVEERR</code> on communication error
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*/
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/**************************************************************************/
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uint8_t Adafruit_Fingerprint::fingerSearch(uint8_t slot) {
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// search of slot starting thru the capacity
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GET_CMD_PACKET(FINGERPRINT_SEARCH, slot, 0x00, 0x00, (uint8_t)(capacity >> 8),
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(uint8_t)(capacity & 0xFF));
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fingerID = 0xFFFF;
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confidence = 0xFFFF;
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fingerID = packet.data[1];
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fingerID <<= 8;
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fingerID |= packet.data[2];
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confidence = packet.data[3];
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confidence <<= 8;
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confidence |= packet.data[4];
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return packet.data[0];
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}
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/**************************************************************************/
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/*!
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@brief Ask the sensor for the number of templates stored in memory. The
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number is stored in <b>templateCount</b> on success.
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@returns <code>FINGERPRINT_OK</code> on success
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@returns <code>FINGERPRINT_PACKETRECIEVEERR</code> on communication error
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*/
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/**************************************************************************/
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uint8_t Adafruit_Fingerprint::getTemplateCount(void) {
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GET_CMD_PACKET(FINGERPRINT_TEMPLATECOUNT);
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templateCount = packet.data[1];
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templateCount <<= 8;
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templateCount |= packet.data[2];
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return packet.data[0];
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}
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/**************************************************************************/
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/*!
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@brief Set the password on the sensor (future communication will require
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password verification so don't forget it!!!)
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@param password 32-bit password code
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@returns <code>FINGERPRINT_OK</code> on success
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@returns <code>FINGERPRINT_PACKETRECIEVEERR</code> on communication error
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*/
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/**************************************************************************/
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uint8_t Adafruit_Fingerprint::setPassword(uint32_t password) {
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SEND_CMD_PACKET(FINGERPRINT_SETPASSWORD, (uint8_t)(password >> 24), (uint8_t)(password >> 16),
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(uint8_t)(password >> 8), (uint8_t)password);
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}
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/**************************************************************************/
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/*!
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@brief Helper function to process a packet and send it over UART to the
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sensor
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@param packet A structure containing the bytes to transmit
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*/
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/**************************************************************************/
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void Adafruit_Fingerprint::writeStructuredPacket(
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const Adafruit_Fingerprint_Packet &packet) {
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mySerial->write((uint8_t)(packet.start_code >> 8));
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mySerial->write((uint8_t)(packet.start_code & 0xFF));
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mySerial->write(packet.address[0]);
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mySerial->write(packet.address[1]);
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mySerial->write(packet.address[2]);
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mySerial->write(packet.address[3]);
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mySerial->write(packet.type);
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uint16_t wire_length = packet.length + 2;
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mySerial->write((uint8_t)(wire_length >> 8));
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mySerial->write((uint8_t)(wire_length & 0xFF));
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#ifdef FINGERPRINT_DEBUG
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Serial.print("-> 0x");
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Serial.print((uint8_t)(packet.start_code >> 8), HEX);
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Serial.print(", 0x");
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Serial.print((uint8_t)(packet.start_code & 0xFF), HEX);
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Serial.print(", 0x");
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Serial.print(packet.address[0], HEX);
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Serial.print(", 0x");
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Serial.print(packet.address[1], HEX);
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Serial.print(", 0x");
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Serial.print(packet.address[2], HEX);
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Serial.print(", 0x");
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Serial.print(packet.address[3], HEX);
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Serial.print(", 0x");
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Serial.print(packet.type, HEX);
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Serial.print(", 0x");
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Serial.print((uint8_t)(wire_length >> 8), HEX);
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Serial.print(", 0x");
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Serial.print((uint8_t)(wire_length & 0xFF), HEX);
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#endif
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uint16_t sum = ((wire_length) >> 8) + ((wire_length)&0xFF) + packet.type;
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for (uint8_t i = 0; i < packet.length; i++) {
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mySerial->write(packet.data[i]);
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sum += packet.data[i];
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#ifdef FINGERPRINT_DEBUG
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Serial.print(", 0x");
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Serial.print(packet.data[i], HEX);
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#endif
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}
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mySerial->write((uint8_t)(sum >> 8));
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mySerial->write((uint8_t)(sum & 0xFF));
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#ifdef FINGERPRINT_DEBUG
|
|
Serial.print(", 0x");
|
|
Serial.print((uint8_t)(sum >> 8), HEX);
|
|
Serial.print(", 0x");
|
|
Serial.println((uint8_t)(sum & 0xFF), HEX);
|
|
#endif
|
|
|
|
return;
|
|
}
|
|
|
|
/**************************************************************************/
|
|
/*!
|
|
@brief Helper function to receive data over UART from the sensor and
|
|
process it into a packet
|
|
@param packet A structure containing the bytes received
|
|
@param timeout how many milliseconds we're willing to wait
|
|
@returns <code>FINGERPRINT_OK</code> on success
|
|
@returns <code>FINGERPRINT_TIMEOUT</code> or
|
|
<code>FINGERPRINT_BADPACKET</code> on failure
|
|
*/
|
|
/**************************************************************************/
|
|
uint8_t
|
|
Adafruit_Fingerprint::getStructuredPacket(Adafruit_Fingerprint_Packet *packet,
|
|
uint16_t timeout) {
|
|
uint8_t byte;
|
|
uint16_t idx = 0, timer = 0;
|
|
|
|
#ifdef FINGERPRINT_DEBUG
|
|
Serial.print("<- ");
|
|
#endif
|
|
|
|
while (true) {
|
|
while (!mySerial->available()) {
|
|
delay(1);
|
|
timer++;
|
|
if (timer >= timeout) {
|
|
#ifdef FINGERPRINT_DEBUG
|
|
Serial.println("Timed out");
|
|
#endif
|
|
return FINGERPRINT_TIMEOUT;
|
|
}
|
|
}
|
|
byte = mySerial->read();
|
|
#ifdef FINGERPRINT_DEBUG
|
|
Serial.print("0x");
|
|
Serial.print(byte, HEX);
|
|
Serial.print(", ");
|
|
#endif
|
|
switch (idx) {
|
|
case 0:
|
|
if (byte != (FINGERPRINT_STARTCODE >> 8))
|
|
continue;
|
|
packet->start_code = (uint16_t)byte << 8;
|
|
break;
|
|
case 1:
|
|
packet->start_code |= byte;
|
|
if (packet->start_code != FINGERPRINT_STARTCODE)
|
|
return FINGERPRINT_BADPACKET;
|
|
break;
|
|
case 2:
|
|
case 3:
|
|
case 4:
|
|
case 5:
|
|
packet->address[idx - 2] = byte;
|
|
break;
|
|
case 6:
|
|
packet->type = byte;
|
|
break;
|
|
case 7:
|
|
packet->length = (uint16_t)byte << 8;
|
|
break;
|
|
case 8:
|
|
packet->length |= byte;
|
|
break;
|
|
default:
|
|
packet->data[idx - 9] = byte;
|
|
if ((idx - 8) == packet->length) {
|
|
#ifdef FINGERPRINT_DEBUG
|
|
Serial.println(" OK ");
|
|
#endif
|
|
return FINGERPRINT_OK;
|
|
}
|
|
break;
|
|
}
|
|
idx++;
|
|
}
|
|
// Shouldn't get here so...
|
|
return FINGERPRINT_BADPACKET;
|
|
}
|