Trung Nguyen
/
FINAL_PROJECT_4180
asdasdasd
Fork of FINAL_PROJECT_4180 by
lib.cpp@12:5cb9ffad1ad7, 2016-05-06 (annotated)
- Committer:
- nyengele
- Date:
- Fri May 06 13:10:20 2016 +0000
- Revision:
- 12:5cb9ffad1ad7
- Parent:
- 11:1d7021c0739d
fixed magnetic card bug
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
nyengele | 0:f0e40bf44ffe | 1 | #include "mbed.h" |
nyengele | 0:f0e40bf44ffe | 2 | #include "lib.h" |
nyengele | 12:5cb9ffad1ad7 | 3 | #include <cstring> |
nyengele | 0:f0e40bf44ffe | 4 | |
nyengele | 3:83415d375d36 | 5 | #define CMD_ENROLL 0x01 |
nyengele | 3:83415d375d36 | 6 | #define CMD_AUTH 0x02 |
nyengele | 3:83415d375d36 | 7 | #define FACE_FID 0x01 |
nyengele | 3:83415d375d36 | 8 | #define SPEECH_FID 0x02 |
nyengele | 12:5cb9ffad1ad7 | 9 | #define VOICE_FID 0x03 |
nyengele | 3:83415d375d36 | 10 | #define SUCCESS 0x55 |
nyengele | 3:83415d375d36 | 11 | #define FAILURE 0x8A |
nyengele | 3:83415d375d36 | 12 | |
nyengele | 0:f0e40bf44ffe | 13 | int hashcode(const char *data, int size) |
nyengele | 0:f0e40bf44ffe | 14 | { |
nyengele | 0:f0e40bf44ffe | 15 | int hash = 17; |
nyengele | 0:f0e40bf44ffe | 16 | for (int i = 0; i < size; i++) { |
nyengele | 0:f0e40bf44ffe | 17 | hash += 31*hash + data[i]; |
nyengele | 0:f0e40bf44ffe | 18 | } |
nyengele | 0:f0e40bf44ffe | 19 | return hash; |
nyengele | 0:f0e40bf44ffe | 20 | } |
nyengele | 0:f0e40bf44ffe | 21 | void read_mag_card(Serial *device, char *dest, int *size) |
nyengele | 0:f0e40bf44ffe | 22 | { |
nyengele | 0:f0e40bf44ffe | 23 | int pos = 0; |
nyengele | 0:f0e40bf44ffe | 24 | bool done = false; |
nyengele | 0:f0e40bf44ffe | 25 | int markercount = 0; |
nyengele | 0:f0e40bf44ffe | 26 | while (!done) { |
nyengele | 1:0e5e9821d89d | 27 | while (!device->readable()); |
nyengele | 0:f0e40bf44ffe | 28 | dest[pos] = device->getc(); |
nyengele | 0:f0e40bf44ffe | 29 | if (dest[pos] == '?') markercount++; |
nyengele | 0:f0e40bf44ffe | 30 | if (markercount >= 2) done = true; |
nyengele | 0:f0e40bf44ffe | 31 | pos++; |
nyengele | 0:f0e40bf44ffe | 32 | } |
nyengele | 0:f0e40bf44ffe | 33 | *size = pos - 1; |
nyengele | 2:1b1c0502bb08 | 34 | } |
nyengele | 2:1b1c0502bb08 | 35 | |
nyengele | 2:1b1c0502bb08 | 36 | bool fp_enroll(FPScanner *fp) |
nyengele | 2:1b1c0502bb08 | 37 | { |
nyengele | 2:1b1c0502bb08 | 38 | bool status = true; |
nyengele | 2:1b1c0502bb08 | 39 | fp->SetLED(true); |
nyengele | 2:1b1c0502bb08 | 40 | while(!fp->IsPressFinger()) wait(0.030); |
nyengele | 2:1b1c0502bb08 | 41 | fp->CaptureFinger(true); |
nyengele | 2:1b1c0502bb08 | 42 | if (fp->Identify1_N() == 200) { |
nyengele | 2:1b1c0502bb08 | 43 | int id = fp->GetEnrollCount(); |
nyengele | 2:1b1c0502bb08 | 44 | if (fp->EnrollStart(id) == 0) { |
nyengele | 2:1b1c0502bb08 | 45 | fp->CaptureFinger(true); |
nyengele | 2:1b1c0502bb08 | 46 | fp->Enroll1(); |
nyengele | 2:1b1c0502bb08 | 47 | fp->CaptureFinger(true); |
nyengele | 2:1b1c0502bb08 | 48 | fp->Enroll2(); |
nyengele | 2:1b1c0502bb08 | 49 | fp->CaptureFinger(true); |
nyengele | 2:1b1c0502bb08 | 50 | fp->Enroll3(); |
nyengele | 2:1b1c0502bb08 | 51 | fp->SetLED(false); |
nyengele | 2:1b1c0502bb08 | 52 | } else status = false; |
nyengele | 2:1b1c0502bb08 | 53 | } else status = false; |
nyengele | 2:1b1c0502bb08 | 54 | |
nyengele | 2:1b1c0502bb08 | 55 | return status; |
nyengele | 2:1b1c0502bb08 | 56 | } |
nyengele | 2:1b1c0502bb08 | 57 | |
nyengele | 2:1b1c0502bb08 | 58 | bool fp_auth(FPScanner *fp) |
nyengele | 2:1b1c0502bb08 | 59 | { |
nyengele | 2:1b1c0502bb08 | 60 | bool status = false; |
nyengele | 2:1b1c0502bb08 | 61 | fp->SetLED(true); |
nyengele | 2:1b1c0502bb08 | 62 | while(!fp->IsPressFinger()) wait(0.030); |
nyengele | 2:1b1c0502bb08 | 63 | fp->CaptureFinger(true); |
nyengele | 2:1b1c0502bb08 | 64 | if (fp->Identify1_N() != 200) status = true; |
nyengele | 2:1b1c0502bb08 | 65 | fp->SetLED(false); |
nyengele | 2:1b1c0502bb08 | 66 | return status; |
nyengele | 3:83415d375d36 | 67 | } |
nyengele | 3:83415d375d36 | 68 | |
nyengele | 3:83415d375d36 | 69 | bool face_enroll(char *user_id, Serial *android) |
nyengele | 3:83415d375d36 | 70 | { |
nyengele | 3:83415d375d36 | 71 | char CMD[] = { |
nyengele | 12:5cb9ffad1ad7 | 72 | 0x0A, |
nyengele | 3:83415d375d36 | 73 | CMD_ENROLL, |
nyengele | 3:83415d375d36 | 74 | 0x02, |
nyengele | 3:83415d375d36 | 75 | 0x04, |
nyengele | 3:83415d375d36 | 76 | 0x01, |
nyengele | 3:83415d375d36 | 77 | user_id[0], |
nyengele | 3:83415d375d36 | 78 | user_id[1], |
nyengele | 3:83415d375d36 | 79 | user_id[2], |
nyengele | 3:83415d375d36 | 80 | user_id[3], |
nyengele | 3:83415d375d36 | 81 | FACE_FID, |
nyengele | 3:83415d375d36 | 82 | '\0' |
nyengele | 3:83415d375d36 | 83 | }; |
nyengele | 3:83415d375d36 | 84 | |
nyengele | 3:83415d375d36 | 85 | for (int i = 0; i < sizeof(CMD)/ sizeof(char); i++) { |
nyengele | 12:5cb9ffad1ad7 | 86 | while(!android->writeable()); |
nyengele | 3:83415d375d36 | 87 | android->putc(CMD[i]); |
nyengele | 3:83415d375d36 | 88 | } |
nyengele | 5:562b8d04dfd4 | 89 | |
nyengele | 3:83415d375d36 | 90 | while (!android->readable()); |
nyengele | 3:83415d375d36 | 91 | char temp = android->getc(); |
nyengele | 3:83415d375d36 | 92 | if (temp == SUCCESS) return true; |
nyengele | 3:83415d375d36 | 93 | else return false; |
nyengele | 3:83415d375d36 | 94 | } |
nyengele | 4:9fbefd153e3e | 95 | |
nyengele | 12:5cb9ffad1ad7 | 96 | bool face_auth(char *user_id, Serial *android) |
nyengele | 4:9fbefd153e3e | 97 | { |
nyengele | 4:9fbefd153e3e | 98 | char CMD[] = { |
nyengele | 12:5cb9ffad1ad7 | 99 | 0x0A, |
nyengele | 4:9fbefd153e3e | 100 | CMD_AUTH, |
nyengele | 4:9fbefd153e3e | 101 | 0x02, |
nyengele | 4:9fbefd153e3e | 102 | 0x04, |
nyengele | 4:9fbefd153e3e | 103 | 0x01, |
nyengele | 4:9fbefd153e3e | 104 | user_id[0], |
nyengele | 4:9fbefd153e3e | 105 | user_id[1], |
nyengele | 4:9fbefd153e3e | 106 | user_id[2], |
nyengele | 4:9fbefd153e3e | 107 | user_id[3], |
nyengele | 4:9fbefd153e3e | 108 | FACE_FID, |
nyengele | 4:9fbefd153e3e | 109 | '\0' |
nyengele | 4:9fbefd153e3e | 110 | }; |
nyengele | 4:9fbefd153e3e | 111 | |
nyengele | 4:9fbefd153e3e | 112 | for (int i = 0; i < sizeof(CMD)/ sizeof(char); i++) { |
nyengele | 12:5cb9ffad1ad7 | 113 | while(!android->writeable()); |
nyengele | 4:9fbefd153e3e | 114 | android->putc(CMD[i]); |
nyengele | 4:9fbefd153e3e | 115 | } |
nyengele | 5:562b8d04dfd4 | 116 | |
nyengele | 5:562b8d04dfd4 | 117 | while (!android->readable()); |
nyengele | 5:562b8d04dfd4 | 118 | char temp = android->getc(); |
nyengele | 5:562b8d04dfd4 | 119 | if (temp == SUCCESS) return true; |
nyengele | 5:562b8d04dfd4 | 120 | else return false; |
nyengele | 5:562b8d04dfd4 | 121 | } |
nyengele | 5:562b8d04dfd4 | 122 | |
nyengele | 5:562b8d04dfd4 | 123 | bool speech_enroll(char *user_id, Serial *android) |
nyengele | 5:562b8d04dfd4 | 124 | { |
nyengele | 5:562b8d04dfd4 | 125 | char CMD[] = { |
nyengele | 12:5cb9ffad1ad7 | 126 | 0x0A, |
nyengele | 5:562b8d04dfd4 | 127 | CMD_ENROLL, |
nyengele | 5:562b8d04dfd4 | 128 | 0x02, |
nyengele | 5:562b8d04dfd4 | 129 | 0x04, |
nyengele | 5:562b8d04dfd4 | 130 | 0x01, |
nyengele | 5:562b8d04dfd4 | 131 | user_id[0], |
nyengele | 5:562b8d04dfd4 | 132 | user_id[1], |
nyengele | 5:562b8d04dfd4 | 133 | user_id[2], |
nyengele | 5:562b8d04dfd4 | 134 | user_id[3], |
nyengele | 5:562b8d04dfd4 | 135 | SPEECH_FID, |
nyengele | 5:562b8d04dfd4 | 136 | '\0' |
nyengele | 5:562b8d04dfd4 | 137 | }; |
nyengele | 5:562b8d04dfd4 | 138 | |
nyengele | 5:562b8d04dfd4 | 139 | for (int i = 0; i < sizeof(CMD)/ sizeof(char); i++) { |
nyengele | 12:5cb9ffad1ad7 | 140 | while(!android->writeable()); |
nyengele | 5:562b8d04dfd4 | 141 | android->putc(CMD[i]); |
nyengele | 5:562b8d04dfd4 | 142 | } |
nyengele | 5:562b8d04dfd4 | 143 | |
nyengele | 4:9fbefd153e3e | 144 | while (!android->readable()); |
nyengele | 4:9fbefd153e3e | 145 | char temp = android->getc(); |
nyengele | 4:9fbefd153e3e | 146 | if (temp == SUCCESS) return true; |
nyengele | 4:9fbefd153e3e | 147 | else return false; |
nyengele | 6:d0582711a5d1 | 148 | } |
nyengele | 6:d0582711a5d1 | 149 | |
nyengele | 12:5cb9ffad1ad7 | 150 | bool speech_auth(char *user_id, Serial *android) |
nyengele | 6:d0582711a5d1 | 151 | { |
nyengele | 6:d0582711a5d1 | 152 | char CMD[] = { |
nyengele | 12:5cb9ffad1ad7 | 153 | 0x0A, |
nyengele | 6:d0582711a5d1 | 154 | CMD_AUTH, |
nyengele | 6:d0582711a5d1 | 155 | 0x02, |
nyengele | 6:d0582711a5d1 | 156 | 0x04, |
nyengele | 6:d0582711a5d1 | 157 | 0x01, |
nyengele | 6:d0582711a5d1 | 158 | user_id[0], |
nyengele | 6:d0582711a5d1 | 159 | user_id[1], |
nyengele | 6:d0582711a5d1 | 160 | user_id[2], |
nyengele | 6:d0582711a5d1 | 161 | user_id[3], |
nyengele | 6:d0582711a5d1 | 162 | SPEECH_FID, |
nyengele | 6:d0582711a5d1 | 163 | '\0' |
nyengele | 6:d0582711a5d1 | 164 | }; |
nyengele | 6:d0582711a5d1 | 165 | |
nyengele | 6:d0582711a5d1 | 166 | for (int i = 0; i < sizeof(CMD)/ sizeof(char); i++) { |
nyengele | 12:5cb9ffad1ad7 | 167 | while(!android->writeable()); |
nyengele | 12:5cb9ffad1ad7 | 168 | android->putc(CMD[i]); |
nyengele | 12:5cb9ffad1ad7 | 169 | } |
nyengele | 12:5cb9ffad1ad7 | 170 | |
nyengele | 12:5cb9ffad1ad7 | 171 | while (!android->readable()); |
nyengele | 12:5cb9ffad1ad7 | 172 | char temp = android->getc(); |
nyengele | 12:5cb9ffad1ad7 | 173 | if (temp == SUCCESS) return true; |
nyengele | 12:5cb9ffad1ad7 | 174 | else return false; |
nyengele | 12:5cb9ffad1ad7 | 175 | } |
nyengele | 12:5cb9ffad1ad7 | 176 | |
nyengele | 12:5cb9ffad1ad7 | 177 | bool voice_enroll(char *user_id, Serial *android) |
nyengele | 12:5cb9ffad1ad7 | 178 | { |
nyengele | 12:5cb9ffad1ad7 | 179 | char CMD[] = { |
nyengele | 12:5cb9ffad1ad7 | 180 | 0x0A, |
nyengele | 12:5cb9ffad1ad7 | 181 | CMD_ENROLL, |
nyengele | 12:5cb9ffad1ad7 | 182 | 0x02, |
nyengele | 12:5cb9ffad1ad7 | 183 | 0x04, |
nyengele | 12:5cb9ffad1ad7 | 184 | 0x01, |
nyengele | 12:5cb9ffad1ad7 | 185 | user_id[0], |
nyengele | 12:5cb9ffad1ad7 | 186 | user_id[1], |
nyengele | 12:5cb9ffad1ad7 | 187 | user_id[2], |
nyengele | 12:5cb9ffad1ad7 | 188 | user_id[3], |
nyengele | 12:5cb9ffad1ad7 | 189 | VOICE_FID, |
nyengele | 12:5cb9ffad1ad7 | 190 | '\0' |
nyengele | 12:5cb9ffad1ad7 | 191 | }; |
nyengele | 12:5cb9ffad1ad7 | 192 | |
nyengele | 12:5cb9ffad1ad7 | 193 | for (int i = 0; i < sizeof(CMD)/ sizeof(char); i++) { |
nyengele | 12:5cb9ffad1ad7 | 194 | while(!android->writeable()); |
nyengele | 12:5cb9ffad1ad7 | 195 | android->putc(CMD[i]); |
nyengele | 12:5cb9ffad1ad7 | 196 | } |
nyengele | 12:5cb9ffad1ad7 | 197 | |
nyengele | 12:5cb9ffad1ad7 | 198 | while (!android->readable()); |
nyengele | 12:5cb9ffad1ad7 | 199 | char temp = android->getc(); |
nyengele | 12:5cb9ffad1ad7 | 200 | if (temp == SUCCESS) return true; |
nyengele | 12:5cb9ffad1ad7 | 201 | else return false; |
nyengele | 12:5cb9ffad1ad7 | 202 | } |
nyengele | 12:5cb9ffad1ad7 | 203 | |
nyengele | 12:5cb9ffad1ad7 | 204 | bool voice_auth(char *user_id, Serial *android) |
nyengele | 12:5cb9ffad1ad7 | 205 | { |
nyengele | 12:5cb9ffad1ad7 | 206 | char CMD[] = { |
nyengele | 12:5cb9ffad1ad7 | 207 | 0x0A, |
nyengele | 12:5cb9ffad1ad7 | 208 | CMD_AUTH, |
nyengele | 12:5cb9ffad1ad7 | 209 | 0x02, |
nyengele | 12:5cb9ffad1ad7 | 210 | 0x04, |
nyengele | 12:5cb9ffad1ad7 | 211 | 0x01, |
nyengele | 12:5cb9ffad1ad7 | 212 | user_id[0], |
nyengele | 12:5cb9ffad1ad7 | 213 | user_id[1], |
nyengele | 12:5cb9ffad1ad7 | 214 | user_id[2], |
nyengele | 12:5cb9ffad1ad7 | 215 | user_id[3], |
nyengele | 12:5cb9ffad1ad7 | 216 | VOICE_FID, |
nyengele | 12:5cb9ffad1ad7 | 217 | '\0' |
nyengele | 12:5cb9ffad1ad7 | 218 | }; |
nyengele | 12:5cb9ffad1ad7 | 219 | |
nyengele | 12:5cb9ffad1ad7 | 220 | for (int i = 0; i < sizeof(CMD)/ sizeof(char); i++) { |
nyengele | 12:5cb9ffad1ad7 | 221 | while(!android->writeable()); |
nyengele | 6:d0582711a5d1 | 222 | android->putc(CMD[i]); |
nyengele | 6:d0582711a5d1 | 223 | } |
nyengele | 6:d0582711a5d1 | 224 | |
nyengele | 6:d0582711a5d1 | 225 | while (!android->readable()); |
nyengele | 6:d0582711a5d1 | 226 | char temp = android->getc(); |
nyengele | 6:d0582711a5d1 | 227 | if (temp == SUCCESS) return true; |
nyengele | 6:d0582711a5d1 | 228 | else return false; |
nyengele | 7:800afb8c4cb5 | 229 | } |
nyengele | 7:800afb8c4cb5 | 230 | |
nyengele | 7:800afb8c4cb5 | 231 | void buzzer(PwmOut *speaker, int seconds) |
nyengele | 7:800afb8c4cb5 | 232 | { |
nyengele | 7:800afb8c4cb5 | 233 | speaker->period(1.0/500.0); |
nyengele | 7:800afb8c4cb5 | 234 | *speaker = 0.5; |
nyengele | 7:800afb8c4cb5 | 235 | wait(seconds); |
nyengele | 7:800afb8c4cb5 | 236 | *speaker = 0.0; |
nyengele | 7:800afb8c4cb5 | 237 | } |
nyengele | 8:9b41712fd2c3 | 238 | |
nyengele | 12:5cb9ffad1ad7 | 239 | void display_msg(Cryst_LCD *lcd, char *text) |
nyengele | 8:9b41712fd2c3 | 240 | { |
nyengele | 8:9b41712fd2c3 | 241 | lcd->cls(); |
nyengele | 12:5cb9ffad1ad7 | 242 | lcd->locate(1, 0); |
nyengele | 12:5cb9ffad1ad7 | 243 | lcd->printf("%s", text); |
nyengele | 8:9b41712fd2c3 | 244 | } |
nyengele | 8:9b41712fd2c3 | 245 | |
nyengele | 12:5cb9ffad1ad7 | 246 | void greeting(Cryst_LCD *lcd) |
nyengele | 8:9b41712fd2c3 | 247 | { |
nyengele | 8:9b41712fd2c3 | 248 | lcd->cls(); |
nyengele | 12:5cb9ffad1ad7 | 249 | lcd->locate(0, 7); |
nyengele | 12:5cb9ffad1ad7 | 250 | lcd->printf("WELCOME"); |
nyengele | 12:5cb9ffad1ad7 | 251 | lcd->locate(3, 0); |
nyengele | 12:5cb9ffad1ad7 | 252 | lcd->printf("*:AUTH"); |
nyengele | 12:5cb9ffad1ad7 | 253 | lcd->locate(3, 12); |
nyengele | 12:5cb9ffad1ad7 | 254 | lcd->printf("#:ENROLL"); |
nyengele | 11:1d7021c0739d | 255 | } |
nyengele | 11:1d7021c0739d | 256 | |
nyengele | 12:5cb9ffad1ad7 | 257 | bool prompt(const char* msg, Cryst_LCD *lcd, Keypad<4, 3>* pad) |
nyengele | 9:48e93bcd1d5c | 258 | { |
nyengele | 12:5cb9ffad1ad7 | 259 | bool res = false; |
nyengele | 12:5cb9ffad1ad7 | 260 | char temp; |
nyengele | 12:5cb9ffad1ad7 | 261 | lcd->cls(); |
nyengele | 12:5cb9ffad1ad7 | 262 | lcd->locate(0,0); |
nyengele | 12:5cb9ffad1ad7 | 263 | lcd->printf("%s", msg); |
nyengele | 12:5cb9ffad1ad7 | 264 | lcd->locate(3, 0); |
nyengele | 12:5cb9ffad1ad7 | 265 | lcd->printf("*:NO"); |
nyengele | 12:5cb9ffad1ad7 | 266 | lcd->locate(3, 15); |
nyengele | 12:5cb9ffad1ad7 | 267 | lcd->printf("#:YES"); |
nyengele | 12:5cb9ffad1ad7 | 268 | while ((temp = pad->getKeyChar()) != '#' && temp != '*'); |
nyengele | 12:5cb9ffad1ad7 | 269 | if (temp == '#') res = true; |
nyengele | 12:5cb9ffad1ad7 | 270 | return res; |
nyengele | 10:c3556e27e576 | 271 | } |
nyengele | 10:c3556e27e576 | 272 | |
nyengele | 12:5cb9ffad1ad7 | 273 | bool is_valid_user(char *user_id) |
nyengele | 10:c3556e27e576 | 274 | { |
nyengele | 12:5cb9ffad1ad7 | 275 | char full_path[30]; |
nyengele | 12:5cb9ffad1ad7 | 276 | std::strcpy(full_path, "/local/"); |
nyengele | 12:5cb9ffad1ad7 | 277 | char filename[10]; |
nyengele | 12:5cb9ffad1ad7 | 278 | std::memcpy(filename, user_id, 4); |
nyengele | 12:5cb9ffad1ad7 | 279 | filename[4] = '\0'; |
nyengele | 12:5cb9ffad1ad7 | 280 | std::strcat(filename, ".TXT"); |
nyengele | 12:5cb9ffad1ad7 | 281 | std::strcat(full_path, filename); |
nyengele | 12:5cb9ffad1ad7 | 282 | FILE *fp = fopen(full_path, "r"); |
nyengele | 12:5cb9ffad1ad7 | 283 | if (fp == NULL)return false; |
nyengele | 12:5cb9ffad1ad7 | 284 | else fclose(fp); |
nyengele | 12:5cb9ffad1ad7 | 285 | return true; |
nyengele | 10:c3556e27e576 | 286 | } |
nyengele | 11:1d7021c0739d | 287 | |
nyengele | 12:5cb9ffad1ad7 | 288 | bool write_hash_to_file(char *user_id, int hash) |
nyengele | 11:1d7021c0739d | 289 | { |
nyengele | 12:5cb9ffad1ad7 | 290 | char full_path[30]; |
nyengele | 12:5cb9ffad1ad7 | 291 | std::strcpy(full_path, "/local/"); |
nyengele | 12:5cb9ffad1ad7 | 292 | char filename[10]; |
nyengele | 12:5cb9ffad1ad7 | 293 | std::memcpy(filename, user_id, 4); |
nyengele | 12:5cb9ffad1ad7 | 294 | filename[4] = '\0'; |
nyengele | 12:5cb9ffad1ad7 | 295 | std::strcat(filename, ".TXT"); |
nyengele | 12:5cb9ffad1ad7 | 296 | std::strcat(full_path, filename); |
nyengele | 12:5cb9ffad1ad7 | 297 | FILE *fp = fopen(full_path, "w"); |
nyengele | 12:5cb9ffad1ad7 | 298 | if (fp == NULL) return false; |
nyengele | 12:5cb9ffad1ad7 | 299 | fprintf(fp, "%d", hash); |
nyengele | 12:5cb9ffad1ad7 | 300 | fclose(fp); |
nyengele | 11:1d7021c0739d | 301 | return true; |
nyengele | 11:1d7021c0739d | 302 | } |
nyengele | 11:1d7021c0739d | 303 | |
nyengele | 12:5cb9ffad1ad7 | 304 | bool read_hash_from_file(char *user_id, int *hash) |
nyengele | 12:5cb9ffad1ad7 | 305 | { |
nyengele | 12:5cb9ffad1ad7 | 306 | bool success_read = false; |
nyengele | 12:5cb9ffad1ad7 | 307 | char full_path[30]; |
nyengele | 12:5cb9ffad1ad7 | 308 | std::strcpy(full_path, "/local/"); |
nyengele | 12:5cb9ffad1ad7 | 309 | char filename[10]; |
nyengele | 12:5cb9ffad1ad7 | 310 | std::memcpy(filename, user_id, 4); |
nyengele | 12:5cb9ffad1ad7 | 311 | filename[4] = '\0'; |
nyengele | 12:5cb9ffad1ad7 | 312 | std::strcat(filename, ".TXT"); |
nyengele | 12:5cb9ffad1ad7 | 313 | std::strcat(full_path, filename); |
nyengele | 12:5cb9ffad1ad7 | 314 | FILE *fp = fopen(full_path, "r"); |
nyengele | 12:5cb9ffad1ad7 | 315 | if (fp) { |
nyengele | 12:5cb9ffad1ad7 | 316 | int t = fscanf(fp, "%d", hash); |
nyengele | 12:5cb9ffad1ad7 | 317 | if (t != 0 && t != EOF) success_read = true; |
nyengele | 12:5cb9ffad1ad7 | 318 | fclose(fp); |
nyengele | 12:5cb9ffad1ad7 | 319 | } |
nyengele | 12:5cb9ffad1ad7 | 320 | return success_read; |
nyengele | 12:5cb9ffad1ad7 | 321 | } |
nyengele | 12:5cb9ffad1ad7 | 322 | |
nyengele | 12:5cb9ffad1ad7 | 323 | bool read_pin(char *buffer, int length, Cryst_LCD* lcd, Keypad<4, 3>* pad) |
nyengele | 12:5cb9ffad1ad7 | 324 | { |
nyengele | 12:5cb9ffad1ad7 | 325 | bool res = false; |
nyengele | 12:5cb9ffad1ad7 | 326 | int cur = 0; |
nyengele | 12:5cb9ffad1ad7 | 327 | lcd->cls(); |
nyengele | 12:5cb9ffad1ad7 | 328 | lcd->locate(3,0); |
nyengele | 12:5cb9ffad1ad7 | 329 | lcd->printf("*:CLEAR"); |
nyengele | 12:5cb9ffad1ad7 | 330 | lcd->locate(3, 13); |
nyengele | 12:5cb9ffad1ad7 | 331 | lcd->printf("#:ENTER"); |
nyengele | 12:5cb9ffad1ad7 | 332 | lcd->locate(0,0); |
nyengele | 12:5cb9ffad1ad7 | 333 | lcd->printf("Enter 4-Digit PIN:\n"); |
nyengele | 12:5cb9ffad1ad7 | 334 | lcd->cursor_on(); |
nyengele | 12:5cb9ffad1ad7 | 335 | lcd->cursor_blink(); |
nyengele | 12:5cb9ffad1ad7 | 336 | bool done = false; |
nyengele | 12:5cb9ffad1ad7 | 337 | char temp_char; |
nyengele | 12:5cb9ffad1ad7 | 338 | while (!done) { |
nyengele | 12:5cb9ffad1ad7 | 339 | temp_char = pad->getKeyChar(); |
nyengele | 12:5cb9ffad1ad7 | 340 | if (temp_char == '#') done = true; |
nyengele | 12:5cb9ffad1ad7 | 341 | else if (temp_char == '*') { |
nyengele | 12:5cb9ffad1ad7 | 342 | lcd->clear_line(); |
nyengele | 12:5cb9ffad1ad7 | 343 | cur = 0; |
nyengele | 12:5cb9ffad1ad7 | 344 | } else { |
nyengele | 12:5cb9ffad1ad7 | 345 | if (cur < 19) lcd->printf("%C", '*'); |
nyengele | 12:5cb9ffad1ad7 | 346 | if (cur < length) buffer[cur] = temp_char; |
nyengele | 12:5cb9ffad1ad7 | 347 | cur++; |
nyengele | 12:5cb9ffad1ad7 | 348 | } |
nyengele | 12:5cb9ffad1ad7 | 349 | } |
nyengele | 12:5cb9ffad1ad7 | 350 | if (cur == length) res = true; |
nyengele | 12:5cb9ffad1ad7 | 351 | lcd->cursor_off(); |
nyengele | 12:5cb9ffad1ad7 | 352 | lcd->cursor_no_blink(); |
nyengele | 12:5cb9ffad1ad7 | 353 | return res; |
nyengele | 12:5cb9ffad1ad7 | 354 | } |
nyengele | 12:5cb9ffad1ad7 | 355 | |
nyengele | 12:5cb9ffad1ad7 | 356 | |
nyengele | 12:5cb9ffad1ad7 | 357 | bool fp_clearAll(FPScanner *fp) |
nyengele | 12:5cb9ffad1ad7 | 358 | { |
nyengele | 12:5cb9ffad1ad7 | 359 | bool status; |
nyengele | 12:5cb9ffad1ad7 | 360 | fp->SetLED(true); |
nyengele | 12:5cb9ffad1ad7 | 361 | status = fp->DeleteAll(); |
nyengele | 12:5cb9ffad1ad7 | 362 | fp->SetLED(false); |
nyengele | 12:5cb9ffad1ad7 | 363 | return status; |
nyengele | 12:5cb9ffad1ad7 | 364 | } |
nyengele | 12:5cb9ffad1ad7 | 365 | |
nyengele | 12:5cb9ffad1ad7 | 366 | char clear_serial_buffer(Serial *dev) |
nyengele | 12:5cb9ffad1ad7 | 367 | { |
nyengele | 12:5cb9ffad1ad7 | 368 | char temp; |
nyengele | 12:5cb9ffad1ad7 | 369 | while (dev->readable()) { |
nyengele | 12:5cb9ffad1ad7 | 370 | temp = dev->getc(); |
nyengele | 12:5cb9ffad1ad7 | 371 | } |
nyengele | 12:5cb9ffad1ad7 | 372 | return temp; |
nyengele | 12:5cb9ffad1ad7 | 373 | } |