mirror of https://github.com/arendst/Tasmota.git
Experimental support for fingerprint reader
Experimental support for fingerprint reader (#9568)
This commit is contained in:
Theo Arends
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daec8b9eb5
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/*
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xsns_79_as608.ino - AS608 and R503 fingerprint sensor support for Tasmota
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Copyright (C) 2020 boaschti and Theo Arends
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef USE_AS608
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/*********************************************************************************************\
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* AS608 optical and R503 capacitive Fingerprint sensor
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*
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* Currently supports:
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* - English only as there are no tanslations supported
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* - AS608 only as R503 fails to read stored fingerprints
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\*********************************************************************************************/
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#define XSNS_79 79
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#define D_JSON_FPRINT "FPrint"
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#define D_PRFX_FP "Fp"
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#define D_CMND_FP_ENROLL "Enroll"
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#define D_CMND_FP_DELETE "Delete"
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#define D_CMND_FP_COUNT "Count"
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const char kAs608Commands[] PROGMEM = D_PRFX_FP "|" D_CMND_FP_ENROLL "|" D_CMND_FP_DELETE "|" D_CMND_FP_COUNT;
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void (*const As608Commands[])(void) PROGMEM = { &CmndFpEnroll, &CmndFpDelete, &CmndFpCount };
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const char kAs608Messages[] PROGMEM =
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"Done|Comms error||Imaging error|Unknown error|Image too messy|Could not find fingerprint features|No match|Did not find a match|Fingerprint did not match|"
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"Bad location|DB range error|Upload feature error|Packet response error|Upload error|Delete error|DB Clear error|Password error|Image invalid|"
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"Error writing to flash|Invalid reg|Address code|Password verify";
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const uint8_t As608Reference[] PROGMEM = { 0, 1, 2, 3, 4, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 4, 17, 4, 18, 4, 4, 19, 4, 20, 4, 4, 4, 4, 4, 21, 22 };
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#include <TasmotaSerial.h>
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#include <Adafruit_Fingerprint.h>
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Adafruit_Fingerprint *As608Finger;
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TasmotaSerial *As608Serial;
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struct AS608 {
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bool selected = false;
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uint8_t enroll_step = 0;
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uint8_t model_number = 0;
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} As608;
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char* As608Message(char* response, uint32_t index) {
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if (index > sizeof(As608Reference)) { index = 4; }
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uint32_t i = pgm_read_byte(&As608Reference[index]);
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return GetTextIndexed(response, TOPSZ, i, kAs608Messages);
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}
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void As608PublishMessage(const char* message) {
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char romram[TOPSZ];
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snprintf_P(romram, sizeof(romram), message);
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if (strlen(romram) > 0) {
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char json_name[20];
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if (As608.enroll_step) {
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strcpy_P(json_name, PSTR(D_PRFX_FP D_CMND_FP_ENROLL));
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} else {
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strcpy_P(json_name, PSTR(D_JSON_FPRINT));
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}
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Response_P(S_JSON_COMMAND_SVALUE, json_name, romram);
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MqttPublishPrefixTopicRulesProcess_P(RESULT_OR_STAT, json_name);
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}
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}
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void As608Init(void) {
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if (PinUsed(GPIO_AS608_RX) && PinUsed(GPIO_AS608_TX)) {
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As608Serial = new TasmotaSerial(Pin(GPIO_AS608_RX), Pin(GPIO_AS608_TX), 0);
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As608Finger = new Adafruit_Fingerprint(As608Serial, 0);
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As608Finger->begin(57600);
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if (As608Serial->hardwareSerial()) { ClaimSerial(); }
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if (As608Finger->verifyPassword()) {
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As608Finger->getTemplateCount();
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AddLog_P(LOG_LEVEL_INFO, PSTR("AS6: Detected with %d fingerprint(s) stored"), As608Finger->templateCount);
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As608.selected = true;
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}
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}
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}
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int As608GetFingerImage(void) {
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int p = As608Finger->getImage();
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if (p != FINGERPRINT_OK) {
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char response[TOPSZ];
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As608PublishMessage(As608Message(response, p));
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}
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return p;
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}
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int As608ConvertFingerImage(uint8_t slot) {
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int p = As608Finger->image2Tz(slot);
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if (p != FINGERPRINT_OK) {
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char response[TOPSZ];
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As608PublishMessage(As608Message(response, p));
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}
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return p;
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}
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void As608Loop(void) {
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uint32_t p = 0;
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if (!As608.enroll_step) {
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// Search for Finger
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// As608Finger->LEDcontrol(FINGERPRINT_LED_OFF, 0, FINGERPRINT_LED_RED);
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// As608Finger->LEDcontrol(FINGERPRINT_LED_OFF, 0, FINGERPRINT_LED_BLUE);
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// As608Finger->LEDcontrol(FINGERPRINT_LED_OFF, 0, FINGERPRINT_LED_PURPLE);
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// As608Finger->LEDcontrol(0);
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p = As608Finger->getImage(); // Take image
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if (p != FINGERPRINT_OK) { return; }
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p = As608Finger->image2Tz(); // Convert image
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if (p != FINGERPRINT_OK) { return; }
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p = As608Finger->fingerFastSearch(); // Match found
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if (p != FINGERPRINT_OK) {
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// AddLog_P(LOG_LEVEL_DEBUG, PSTR("AS6: No matching finger"));
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return;
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}
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// Found a match
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Response_P(PSTR("{\"" D_JSON_FPRINT "\":{\"Id\":%d,\"Confidence\":%d}}"), As608Finger->fingerID, As608Finger->confidence);
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MqttPublishPrefixTopicRulesProcess_P(RESULT_OR_STAT, PSTR(D_JSON_FPRINT));
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return;
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} else {
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// enroll is active
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switch (As608.enroll_step) {
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case 1:
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As608PublishMessage(PSTR("Place finger"));
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// As608Finger->LEDcontrol(FINGERPRINT_LED_ON, 0, FINGERPRINT_LED_BLUE);
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As608.enroll_step++;
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break;
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case 2:
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// get first image
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if (As608GetFingerImage() == FINGERPRINT_OK) {
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As608.enroll_step++;
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}
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break;
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case 3:
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// convert image
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if (As608ConvertFingerImage(1) == FINGERPRINT_OK) {
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As608.enroll_step++;
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} else {
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As608.enroll_step--;
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}
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break;
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case 4:
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As608PublishMessage(PSTR("Remove finger"));
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As608.enroll_step++;
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break;
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case 5:
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// Remove finger
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p = As608Finger->getImage();
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if (p == FINGERPRINT_NOFINGER) {
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As608.enroll_step++;
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}
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break;
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case 6:
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As608PublishMessage(PSTR("Place same finger again"));
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// As608Finger->LEDcontrol(FINGERPRINT_LED_OFF, 0, FINGERPRINT_LED_PURPLE);
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As608.enroll_step++;
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break;
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case 7:
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// get second image of finger
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if (As608GetFingerImage() == FINGERPRINT_OK) {
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As608.enroll_step++;
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}
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break;
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case 8:
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// convert second image
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if (As608ConvertFingerImage(2) != FINGERPRINT_OK) {
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As608PublishMessage(PSTR("Not Ok so try again"));
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As608.enroll_step -= 2;
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break;
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}
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// Create model
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p = As608Finger->createModel();
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if (p != FINGERPRINT_OK) {
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char response[TOPSZ];
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As608PublishMessage(As608Message(response, p));
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As608.enroll_step = 99;
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break;
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}
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// Store model
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p = As608Finger->storeModel(As608.model_number);
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char response[TOPSZ];
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As608PublishMessage(As608Message(response, p));
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if (p == FINGERPRINT_OK) {
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As608.enroll_step = 0;
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As608.model_number = 0;
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} else {
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As608.enroll_step = 99;
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}
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break;
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case 99:
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As608PublishMessage(PSTR("Restart"));
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As608.enroll_step = 1;
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break;
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default:
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As608PublishMessage(PSTR("Error"));
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As608.enroll_step = 0;
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As608.model_number = 0;
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break;
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}
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}
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}
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/*********************************************************************************************\
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* Commands
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\*********************************************************************************************/
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void CmndFpEnroll(void) {
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if (As608.enroll_step) {
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if (0 == XdrvMailbox.payload) {
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// FpEnroll 0 - Stop enrollement
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As608.enroll_step = 0;
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ResponseCmndChar_P(PSTR("Reset"));
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} else {
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// FpEnroll - Enrollement state
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ResponseCmndChar_P(PSTR("Active"));
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}
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} else {
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if ((XdrvMailbox.payload > 0) && (XdrvMailbox.payload <= 128)) {
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// FpEnroll 1..128 - Start enrollement into slot x
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As608.enroll_step = 1;
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As608.model_number = XdrvMailbox.payload;
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ResponseClear(); // Will use loop start message
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} else {
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// FpEnroll - Enrollement state
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ResponseCmndChar_P(PSTR("Inactive"));
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}
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}
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}
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void CmndFpDelete(void) {
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if (0 == XdrvMailbox.payload) {
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// FpDelete 0 - Clear database
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As608Finger->emptyDatabase();
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As608Finger->getTemplateCount();
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if (As608Finger->templateCount) {
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ResponseCmndChar_P(PSTR("Error"));
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} else {
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ResponseCmndDone();
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}
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}
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else if ((XdrvMailbox.payload > 0) && (XdrvMailbox.payload <= 128)) {
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// FpDelete 1..128 - Delete single entry from database
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int p = As608Finger->deleteModel(XdrvMailbox.payload);
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char response[TOPSZ];
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ResponseCmndChar(As608Message(response, p));
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}
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}
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void CmndFpCount(void) {
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// FpCount - Show number of slots used
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As608Finger->getTemplateCount();
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ResponseCmndNumber(As608Finger->templateCount);
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}
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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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bool Xsns79(uint8_t function) {
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bool result = false;
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if (FUNC_INIT == function) {
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As608Init();
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}
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else if (As608.selected) {
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switch (function) {
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case FUNC_EVERY_250_MSECOND:
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As608Loop();
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break;
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case FUNC_COMMAND:
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result = DecodeCommand(kAs608Commands, As608Commands);
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break;
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}
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}
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return result;
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}
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#endif // USE_AS608
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