Seeed / grove_fingerprint

grove_fingerprint

grove_fingerprint.cpp@0:20273e15a6ee, 2015-06-09 (annotated)

Committer:
JackyZhangFromSeeed
Date:
Tue Jun 09 10:18:30 2015 +0000
Revision:
0:20273e15a6ee
grove_fingerprint

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JackyZhangFromSeeed 0:20273e15a6ee 1
JackyZhangFromSeeed 0:20273e15a6ee 2
JackyZhangFromSeeed 0:20273e15a6ee 3 #include "suli2.h"
JackyZhangFromSeeed 0:20273e15a6ee 4 #include "grove_fingerprint.h"
JackyZhangFromSeeed 0:20273e15a6ee 5
JackyZhangFromSeeed 0:20273e15a6ee 6 //local functions
JackyZhangFromSeeed 0:20273e15a6ee 7 static void grove_fingerprint_writePacket(UART_T *uart, uint32_t addr, uint8_t packettype,
JackyZhangFromSeeed 0:20273e15a6ee 8 uint16_t len, uint8_t *packet);
JackyZhangFromSeeed 0:20273e15a6ee 9 static uint8_t grove_fingerprint_getReply(UART_T *uart, uint8_t packet[], uint16_t timeout);
JackyZhangFromSeeed 0:20273e15a6ee 10
JackyZhangFromSeeed 0:20273e15a6ee 11 //local variables
JackyZhangFromSeeed 0:20273e15a6ee 12 static uint32_t thePassword;
JackyZhangFromSeeed 0:20273e15a6ee 13 static uint32_t theAddress;
JackyZhangFromSeeed 0:20273e15a6ee 14 static uint16_t fingerID, confidence, templateCount;
JackyZhangFromSeeed 0:20273e15a6ee 15 static unsigned char cmd[CMD_LENGTH];
JackyZhangFromSeeed 0:20273e15a6ee 16
JackyZhangFromSeeed 0:20273e15a6ee 17
JackyZhangFromSeeed 0:20273e15a6ee 18
JackyZhangFromSeeed 0:20273e15a6ee 19 void grove_fingerprint_init(UART_T *uart, int pintx, int pinrx)
JackyZhangFromSeeed 0:20273e15a6ee 20 {
JackyZhangFromSeeed 0:20273e15a6ee 21 suli_uart_init(uart, pintx, pinrx, 57600);
JackyZhangFromSeeed 0:20273e15a6ee 22 }
JackyZhangFromSeeed 0:20273e15a6ee 23
JackyZhangFromSeeed 0:20273e15a6ee 24 bool grove_fingerprint_write_setup(UART_T *uart)
JackyZhangFromSeeed 0:20273e15a6ee 25 {
JackyZhangFromSeeed 0:20273e15a6ee 26 thePassword = 0;
JackyZhangFromSeeed 0:20273e15a6ee 27 theAddress = 0xFFFFFFFF;
JackyZhangFromSeeed 0:20273e15a6ee 28
JackyZhangFromSeeed 0:20273e15a6ee 29 return true;
JackyZhangFromSeeed 0:20273e15a6ee 30 }
JackyZhangFromSeeed 0:20273e15a6ee 31
JackyZhangFromSeeed 0:20273e15a6ee 32 bool grove_fingerprint_verifyPassword(UART_T *uart) {
JackyZhangFromSeeed 0:20273e15a6ee 33 uint8_t packet[20] = {FINGERPRINT_VERIFYPASSWORD,
JackyZhangFromSeeed 0:20273e15a6ee 34 (thePassword >> 24), (thePassword >> 16),
JackyZhangFromSeeed 0:20273e15a6ee 35 (thePassword >> 8), thePassword};
JackyZhangFromSeeed 0:20273e15a6ee 36 grove_fingerprint_writePacket(uart, theAddress, FINGERPRINT_COMMANDPACKET, 5+2, packet);
JackyZhangFromSeeed 0:20273e15a6ee 37 uint8_t len = grove_fingerprint_getReply(uart, packet, 500);
JackyZhangFromSeeed 0:20273e15a6ee 38
JackyZhangFromSeeed 0:20273e15a6ee 39 if ((len == 1) && (packet[0] == FINGERPRINT_ACKPACKET) && (packet[1] == FINGERPRINT_OK))
JackyZhangFromSeeed 0:20273e15a6ee 40 return true;
JackyZhangFromSeeed 0:20273e15a6ee 41
JackyZhangFromSeeed 0:20273e15a6ee 42 /*
JackyZhangFromSeeed 0:20273e15a6ee 43 Serial.print("\nGot packet type "); Serial.print(packet[0]);
JackyZhangFromSeeed 0:20273e15a6ee 44 for (uint8_t i=1; i<len+1;i++) {
JackyZhangFromSeeed 0:20273e15a6ee 45 Serial.print(" 0x");
JackyZhangFromSeeed 0:20273e15a6ee 46 Serial.print(packet[i], HEX);
JackyZhangFromSeeed 0:20273e15a6ee 47 }
JackyZhangFromSeeed 0:20273e15a6ee 48 */
JackyZhangFromSeeed 0:20273e15a6ee 49 return false;
JackyZhangFromSeeed 0:20273e15a6ee 50 }
JackyZhangFromSeeed 0:20273e15a6ee 51
JackyZhangFromSeeed 0:20273e15a6ee 52 bool grove_fingerprint_getImage(UART_T *uart, uint8_t *res) {
JackyZhangFromSeeed 0:20273e15a6ee 53 uint8_t packet[20] = {FINGERPRINT_GETIMAGE};
JackyZhangFromSeeed 0:20273e15a6ee 54 grove_fingerprint_writePacket(uart, theAddress, FINGERPRINT_COMMANDPACKET, 1+2, packet);
JackyZhangFromSeeed 0:20273e15a6ee 55 uint8_t len = grove_fingerprint_getReply(uart, packet, 500);
JackyZhangFromSeeed 0:20273e15a6ee 56
JackyZhangFromSeeed 0:20273e15a6ee 57 if ((len != 1) && (packet[0] != FINGERPRINT_ACKPACKET))
JackyZhangFromSeeed 0:20273e15a6ee 58 return false;
JackyZhangFromSeeed 0:20273e15a6ee 59 else
JackyZhangFromSeeed 0:20273e15a6ee 60 {
JackyZhangFromSeeed 0:20273e15a6ee 61 *res = packet[1];
JackyZhangFromSeeed 0:20273e15a6ee 62 return true;
JackyZhangFromSeeed 0:20273e15a6ee 63 }
JackyZhangFromSeeed 0:20273e15a6ee 64 }
JackyZhangFromSeeed 0:20273e15a6ee 65
JackyZhangFromSeeed 0:20273e15a6ee 66 bool grove_fingerprint_image2Tz(UART_T *uart, uint8_t slot, uint8_t *res) {
JackyZhangFromSeeed 0:20273e15a6ee 67 uint8_t packet[20] = {FINGERPRINT_IMAGE2TZ, slot};
JackyZhangFromSeeed 0:20273e15a6ee 68 grove_fingerprint_writePacket(uart, theAddress, FINGERPRINT_COMMANDPACKET, 2+2, packet);
JackyZhangFromSeeed 0:20273e15a6ee 69 uint8_t len = grove_fingerprint_getReply(uart, packet, 500);
JackyZhangFromSeeed 0:20273e15a6ee 70
JackyZhangFromSeeed 0:20273e15a6ee 71 if ((len != 1) && (packet[0] != FINGERPRINT_ACKPACKET))
JackyZhangFromSeeed 0:20273e15a6ee 72 return false;
JackyZhangFromSeeed 0:20273e15a6ee 73 else
JackyZhangFromSeeed 0:20273e15a6ee 74 {
JackyZhangFromSeeed 0:20273e15a6ee 75 *res = packet[1];
JackyZhangFromSeeed 0:20273e15a6ee 76 return true;
JackyZhangFromSeeed 0:20273e15a6ee 77 }
JackyZhangFromSeeed 0:20273e15a6ee 78 }
JackyZhangFromSeeed 0:20273e15a6ee 79
JackyZhangFromSeeed 0:20273e15a6ee 80 bool grove_fingerprint_createModel(UART_T *uart, uint8_t *res) {
JackyZhangFromSeeed 0:20273e15a6ee 81 uint8_t packet[20] = {FINGERPRINT_REGMODEL};
JackyZhangFromSeeed 0:20273e15a6ee 82 grove_fingerprint_writePacket(uart, theAddress, FINGERPRINT_COMMANDPACKET, 1+2, packet);
JackyZhangFromSeeed 0:20273e15a6ee 83 uint8_t len = grove_fingerprint_getReply(uart, packet, 500);
JackyZhangFromSeeed 0:20273e15a6ee 84
JackyZhangFromSeeed 0:20273e15a6ee 85 if ((len != 1) && (packet[0] != FINGERPRINT_ACKPACKET))
JackyZhangFromSeeed 0:20273e15a6ee 86 return false;
JackyZhangFromSeeed 0:20273e15a6ee 87 else
JackyZhangFromSeeed 0:20273e15a6ee 88 {
JackyZhangFromSeeed 0:20273e15a6ee 89 *res = packet[1];
JackyZhangFromSeeed 0:20273e15a6ee 90 return true;
JackyZhangFromSeeed 0:20273e15a6ee 91 }
JackyZhangFromSeeed 0:20273e15a6ee 92 }
JackyZhangFromSeeed 0:20273e15a6ee 93
JackyZhangFromSeeed 0:20273e15a6ee 94
JackyZhangFromSeeed 0:20273e15a6ee 95 bool grove_fingerprint_storeModel(UART_T *uart, uint16_t id, uint8_t *res) {
JackyZhangFromSeeed 0:20273e15a6ee 96 uint8_t packet[20] = {FINGERPRINT_STORE, 0x01, id >> 8, id & 0xFF};
JackyZhangFromSeeed 0:20273e15a6ee 97 grove_fingerprint_writePacket(uart, theAddress, FINGERPRINT_COMMANDPACKET, 4+2, packet);
JackyZhangFromSeeed 0:20273e15a6ee 98 uint8_t len = grove_fingerprint_getReply(uart, packet, 500);
JackyZhangFromSeeed 0:20273e15a6ee 99
JackyZhangFromSeeed 0:20273e15a6ee 100 if ((len != 1) && (packet[0] != FINGERPRINT_ACKPACKET))
JackyZhangFromSeeed 0:20273e15a6ee 101 return false;
JackyZhangFromSeeed 0:20273e15a6ee 102 else
JackyZhangFromSeeed 0:20273e15a6ee 103 {
JackyZhangFromSeeed 0:20273e15a6ee 104 *res = packet[1];
JackyZhangFromSeeed 0:20273e15a6ee 105 return true;
JackyZhangFromSeeed 0:20273e15a6ee 106 }
JackyZhangFromSeeed 0:20273e15a6ee 107 }
JackyZhangFromSeeed 0:20273e15a6ee 108
JackyZhangFromSeeed 0:20273e15a6ee 109 bool grove_fingerprint_deleteModel(UART_T *uart, uint16_t id, uint8_t *res) {
JackyZhangFromSeeed 0:20273e15a6ee 110 uint8_t packet[20] = {FINGERPRINT_DELETE, id >> 8, id & 0xFF, 0x00, 0x01};
JackyZhangFromSeeed 0:20273e15a6ee 111 grove_fingerprint_writePacket(uart, theAddress, FINGERPRINT_COMMANDPACKET, 5+2, packet);
JackyZhangFromSeeed 0:20273e15a6ee 112 uint8_t len = grove_fingerprint_getReply(uart, packet, 500);
JackyZhangFromSeeed 0:20273e15a6ee 113
JackyZhangFromSeeed 0:20273e15a6ee 114 if ((len != 1) && (packet[0] != FINGERPRINT_ACKPACKET))
JackyZhangFromSeeed 0:20273e15a6ee 115 return false;
JackyZhangFromSeeed 0:20273e15a6ee 116 else
JackyZhangFromSeeed 0:20273e15a6ee 117 {
JackyZhangFromSeeed 0:20273e15a6ee 118 *res = packet[1];
JackyZhangFromSeeed 0:20273e15a6ee 119 return true;
JackyZhangFromSeeed 0:20273e15a6ee 120 }
JackyZhangFromSeeed 0:20273e15a6ee 121 }
JackyZhangFromSeeed 0:20273e15a6ee 122
JackyZhangFromSeeed 0:20273e15a6ee 123 bool grove_fingerprint_emptyDatabase(UART_T *uart, uint8_t *res) {
JackyZhangFromSeeed 0:20273e15a6ee 124 uint8_t packet[20] = {FINGERPRINT_EMPTY};
JackyZhangFromSeeed 0:20273e15a6ee 125 grove_fingerprint_writePacket(uart, theAddress, FINGERPRINT_COMMANDPACKET, 1+2, packet);
JackyZhangFromSeeed 0:20273e15a6ee 126 uint8_t len = grove_fingerprint_getReply(uart, packet, 500);
JackyZhangFromSeeed 0:20273e15a6ee 127
JackyZhangFromSeeed 0:20273e15a6ee 128 if ((len != 1) && (packet[0] != FINGERPRINT_ACKPACKET))
JackyZhangFromSeeed 0:20273e15a6ee 129 return false;
JackyZhangFromSeeed 0:20273e15a6ee 130 else
JackyZhangFromSeeed 0:20273e15a6ee 131 {
JackyZhangFromSeeed 0:20273e15a6ee 132 *res = packet[1];
JackyZhangFromSeeed 0:20273e15a6ee 133 return true;
JackyZhangFromSeeed 0:20273e15a6ee 134 }
JackyZhangFromSeeed 0:20273e15a6ee 135 }
JackyZhangFromSeeed 0:20273e15a6ee 136
JackyZhangFromSeeed 0:20273e15a6ee 137 bool grove_fingerprint_fingerFastSearch(UART_T *uart, uint8_t *res) {
JackyZhangFromSeeed 0:20273e15a6ee 138 fingerID = 0xFFFF;
JackyZhangFromSeeed 0:20273e15a6ee 139 confidence = 0xFFFF;
JackyZhangFromSeeed 0:20273e15a6ee 140 // high speed search of slot #1 starting at page 0x0000 and page #0x00A3
JackyZhangFromSeeed 0:20273e15a6ee 141 uint8_t packet[20] = {FINGERPRINT_HISPEEDSEARCH, 0x01, 0x00, 0x00, 0x00, 0xA3};
JackyZhangFromSeeed 0:20273e15a6ee 142 grove_fingerprint_writePacket(uart, theAddress, FINGERPRINT_COMMANDPACKET, 6+2, packet);
JackyZhangFromSeeed 0:20273e15a6ee 143 uint8_t len = grove_fingerprint_getReply(uart, packet, 500);
JackyZhangFromSeeed 0:20273e15a6ee 144
JackyZhangFromSeeed 0:20273e15a6ee 145 if ((len != 1) && (packet[0] != FINGERPRINT_ACKPACKET))
JackyZhangFromSeeed 0:20273e15a6ee 146 return false;
JackyZhangFromSeeed 0:20273e15a6ee 147
JackyZhangFromSeeed 0:20273e15a6ee 148 fingerID = packet[2];
JackyZhangFromSeeed 0:20273e15a6ee 149 fingerID <<= 8;
JackyZhangFromSeeed 0:20273e15a6ee 150 fingerID |= packet[3];
JackyZhangFromSeeed 0:20273e15a6ee 151
JackyZhangFromSeeed 0:20273e15a6ee 152 confidence = packet[4];
JackyZhangFromSeeed 0:20273e15a6ee 153 confidence <<= 8;
JackyZhangFromSeeed 0:20273e15a6ee 154 confidence |= packet[5];
JackyZhangFromSeeed 0:20273e15a6ee 155
JackyZhangFromSeeed 0:20273e15a6ee 156 *res = packet[1];
JackyZhangFromSeeed 0:20273e15a6ee 157 return true;
JackyZhangFromSeeed 0:20273e15a6ee 158 }
JackyZhangFromSeeed 0:20273e15a6ee 159
JackyZhangFromSeeed 0:20273e15a6ee 160 bool grove_fingerprint_getTemplateCount(UART_T *uart, uint8_t *res) {
JackyZhangFromSeeed 0:20273e15a6ee 161 templateCount = 0xFFFF;
JackyZhangFromSeeed 0:20273e15a6ee 162 // get number of templates in memory
JackyZhangFromSeeed 0:20273e15a6ee 163 uint8_t packet[20] = {FINGERPRINT_TEMPLATECOUNT};
JackyZhangFromSeeed 0:20273e15a6ee 164 grove_fingerprint_writePacket(uart, theAddress, FINGERPRINT_COMMANDPACKET, 1+2, packet);
JackyZhangFromSeeed 0:20273e15a6ee 165 uint8_t len = grove_fingerprint_getReply(uart, packet, 500);
JackyZhangFromSeeed 0:20273e15a6ee 166
JackyZhangFromSeeed 0:20273e15a6ee 167 if ((len != 1) && (packet[0] != FINGERPRINT_ACKPACKET))
JackyZhangFromSeeed 0:20273e15a6ee 168 return false;
JackyZhangFromSeeed 0:20273e15a6ee 169
JackyZhangFromSeeed 0:20273e15a6ee 170 templateCount = packet[2];
JackyZhangFromSeeed 0:20273e15a6ee 171 templateCount <<= 8;
JackyZhangFromSeeed 0:20273e15a6ee 172 templateCount |= packet[3];
JackyZhangFromSeeed 0:20273e15a6ee 173
JackyZhangFromSeeed 0:20273e15a6ee 174 *res = packet[1];
JackyZhangFromSeeed 0:20273e15a6ee 175 return true;
JackyZhangFromSeeed 0:20273e15a6ee 176 }
JackyZhangFromSeeed 0:20273e15a6ee 177
JackyZhangFromSeeed 0:20273e15a6ee 178 static void grove_fingerprint_writePacket(UART_T *uart, uint32_t addr, uint8_t packettype,
JackyZhangFromSeeed 0:20273e15a6ee 179 uint16_t len, uint8_t *packet) {
JackyZhangFromSeeed 0:20273e15a6ee 180 uint8_t i = 0;
JackyZhangFromSeeed 0:20273e15a6ee 181
JackyZhangFromSeeed 0:20273e15a6ee 182
JackyZhangFromSeeed 0:20273e15a6ee 183 cmd[0] = (uint8_t)(FINGERPRINT_STARTCODE >> 8);
JackyZhangFromSeeed 0:20273e15a6ee 184 cmd[1] = (uint8_t)FINGERPRINT_STARTCODE;
JackyZhangFromSeeed 0:20273e15a6ee 185 cmd[2] = (uint8_t)(addr >> 24);
JackyZhangFromSeeed 0:20273e15a6ee 186 cmd[3] = (uint8_t)(addr >> 16);
JackyZhangFromSeeed 0:20273e15a6ee 187 cmd[4] = (uint8_t)(addr >> 8);
JackyZhangFromSeeed 0:20273e15a6ee 188 cmd[5] = (uint8_t)(addr);
JackyZhangFromSeeed 0:20273e15a6ee 189 cmd[6] = (uint8_t)packettype;
JackyZhangFromSeeed 0:20273e15a6ee 190 cmd[7] = (uint8_t)(len >> 8);
JackyZhangFromSeeed 0:20273e15a6ee 191 cmd[8] = (uint8_t)(len);
JackyZhangFromSeeed 0:20273e15a6ee 192
JackyZhangFromSeeed 0:20273e15a6ee 193 uint16_t sum = (len>>8) + (len&0xFF) + packettype;
JackyZhangFromSeeed 0:20273e15a6ee 194 for (i=0; i< len-2; i++) {
JackyZhangFromSeeed 0:20273e15a6ee 195 cmd[9+i] = packet[i];
JackyZhangFromSeeed 0:20273e15a6ee 196 sum += packet[i];
JackyZhangFromSeeed 0:20273e15a6ee 197 }
JackyZhangFromSeeed 0:20273e15a6ee 198
JackyZhangFromSeeed 0:20273e15a6ee 199 cmd[9+i] = (uint8_t)(sum>>8);
JackyZhangFromSeeed 0:20273e15a6ee 200 cmd[9+i+1] = (uint8_t)sum;
JackyZhangFromSeeed 0:20273e15a6ee 201
JackyZhangFromSeeed 0:20273e15a6ee 202 suli_uart_write_bytes(uart, (uint8_t*)cmd, 9+i+1+1);
JackyZhangFromSeeed 0:20273e15a6ee 203 }
JackyZhangFromSeeed 0:20273e15a6ee 204
JackyZhangFromSeeed 0:20273e15a6ee 205
JackyZhangFromSeeed 0:20273e15a6ee 206 static uint8_t grove_fingerprint_getReply(UART_T *uart, uint8_t packet[], uint16_t timeout) {
JackyZhangFromSeeed 0:20273e15a6ee 207 uint8_t reply[20], idx;
JackyZhangFromSeeed 0:20273e15a6ee 208 uint16_t timer=0;
JackyZhangFromSeeed 0:20273e15a6ee 209
JackyZhangFromSeeed 0:20273e15a6ee 210 idx = 0;
JackyZhangFromSeeed 0:20273e15a6ee 211 #ifdef FINGERPRINT_DEBUG
JackyZhangFromSeeed 0:20273e15a6ee 212 Serial.print("<--- ");
JackyZhangFromSeeed 0:20273e15a6ee 213 #endif
JackyZhangFromSeeed 0:20273e15a6ee 214 while (true) {
JackyZhangFromSeeed 0:20273e15a6ee 215 while (!suli_uart_readable(uart))
JackyZhangFromSeeed 0:20273e15a6ee 216 {
JackyZhangFromSeeed 0:20273e15a6ee 217 suli_delay_ms(1);
JackyZhangFromSeeed 0:20273e15a6ee 218 timer++;
JackyZhangFromSeeed 0:20273e15a6ee 219 if (timer >= timeout) return FINGERPRINT_TIMEOUT;
JackyZhangFromSeeed 0:20273e15a6ee 220 }
JackyZhangFromSeeed 0:20273e15a6ee 221
JackyZhangFromSeeed 0:20273e15a6ee 222 reply[idx] = suli_uart_read(uart);
JackyZhangFromSeeed 0:20273e15a6ee 223
JackyZhangFromSeeed 0:20273e15a6ee 224 if ((idx == 0) && (reply[0] != (FINGERPRINT_STARTCODE >> 8)))
JackyZhangFromSeeed 0:20273e15a6ee 225 continue;
JackyZhangFromSeeed 0:20273e15a6ee 226 idx++;
JackyZhangFromSeeed 0:20273e15a6ee 227
JackyZhangFromSeeed 0:20273e15a6ee 228 // check packet!
JackyZhangFromSeeed 0:20273e15a6ee 229 if (idx >= 9) {
JackyZhangFromSeeed 0:20273e15a6ee 230 if ((reply[0] != (FINGERPRINT_STARTCODE >> 8)) ||
JackyZhangFromSeeed 0:20273e15a6ee 231 (reply[1] != (FINGERPRINT_STARTCODE & 0xFF)))
JackyZhangFromSeeed 0:20273e15a6ee 232 return FINGERPRINT_BADPACKET;
JackyZhangFromSeeed 0:20273e15a6ee 233 uint8_t packettype = reply[6];
JackyZhangFromSeeed 0:20273e15a6ee 234
JackyZhangFromSeeed 0:20273e15a6ee 235 uint16_t len = reply[7];
JackyZhangFromSeeed 0:20273e15a6ee 236 len <<= 8;
JackyZhangFromSeeed 0:20273e15a6ee 237 len |= reply[8];
JackyZhangFromSeeed 0:20273e15a6ee 238 len -= 2;
JackyZhangFromSeeed 0:20273e15a6ee 239
JackyZhangFromSeeed 0:20273e15a6ee 240 if (idx <= (len+10)) continue;
JackyZhangFromSeeed 0:20273e15a6ee 241 packet[0] = packettype;
JackyZhangFromSeeed 0:20273e15a6ee 242 for (uint8_t i=0; i<len; i++) {
JackyZhangFromSeeed 0:20273e15a6ee 243 packet[1+i] = reply[9+i];
JackyZhangFromSeeed 0:20273e15a6ee 244 }
JackyZhangFromSeeed 0:20273e15a6ee 245
JackyZhangFromSeeed 0:20273e15a6ee 246 return len;
JackyZhangFromSeeed 0:20273e15a6ee 247 }
JackyZhangFromSeeed 0:20273e15a6ee 248 }
JackyZhangFromSeeed 0:20273e15a6ee 249 }
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