Mobile Security System - Revision 1.0
Dependencies: FXOS8700Q N5110 SDFileSystem SRF02 mbed
main.cpp@9:a5614f53d435, 2016-05-04 (annotated)
- Committer:
- el14dg
- Date:
- Wed May 04 15:33:54 2016 +0000
- Revision:
- 9:a5614f53d435
- Parent:
- 8:8a3d1c07bdec
FINISHED v1.0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
el14dg | 6:dc1229224d8e | 1 | /* ELEC2645 Project */ |
el14dg | 2:e504a3cfe113 | 2 | |
el14dg | 1:3ae4192d0c25 | 3 | #include "main.h" |
el14dg | 0:12ae42019e9f | 4 | |
el14dg | 0:12ae42019e9f | 5 | int main() |
el14dg | 0:12ae42019e9f | 6 | { |
el14dg | 6:dc1229224d8e | 7 | |
el14dg | 6:dc1229224d8e | 8 | init_serial(); // set up UART connection with PC for debugging |
el14dg | 6:dc1229224d8e | 9 | init_K64F(); // set up K64F on board LEDs and switches |
el14dg | 6:dc1229224d8e | 10 | init_buttons(); // set up the three external buttons |
el14dg | 6:dc1229224d8e | 11 | init_variables(); // initialise all variables to 0 |
el14dg | 6:dc1229224d8e | 12 | lcd.init(); // initialise the Nokia 5110 LCD |
el14dg | 3:70a7b64fbd98 | 13 | |
el14dg | 6:dc1229224d8e | 14 | read_pin(); // read current pin from the SD card to the set_pin array |
el14dg | 6:dc1229224d8e | 15 | |
el14dg | 6:dc1229224d8e | 16 | buzzer.period(1.0/500.0); // set the buzzer period - 500 Hz |
el14dg | 6:dc1229224d8e | 17 | |
el14dg | 6:dc1229224d8e | 18 | buzzer.write(0.5); // duty cycle = 0.5 ----> Square Wave |
el14dg | 6:dc1229224d8e | 19 | |
el14dg | 6:dc1229224d8e | 20 | wait(2); // wait two seconds to allow LCD to initialise |
el14dg | 6:dc1229224d8e | 21 | |
el14dg | 6:dc1229224d8e | 22 | screen_selection(); // initial screen |
el14dg | 2:e504a3cfe113 | 23 | |
el14dg | 2:e504a3cfe113 | 24 | wait(4); |
el14dg | 2:e504a3cfe113 | 25 | |
el14dg | 3:70a7b64fbd98 | 26 | g_next_state = 1; |
el14dg | 6:dc1229224d8e | 27 | |
el14dg | 6:dc1229224d8e | 28 | screen_selection(); // menu screen |
el14dg | 6:dc1229224d8e | 29 | |
el14dg | 5:41cb88f47f42 | 30 | g_current_state = 1; |
el14dg | 3:70a7b64fbd98 | 31 | |
el14dg | 3:70a7b64fbd98 | 32 | |
el14dg | 0:12ae42019e9f | 33 | while (1) { |
el14dg | 0:12ae42019e9f | 34 | |
el14dg | 3:70a7b64fbd98 | 35 | |
el14dg | 6:dc1229224d8e | 36 | if (g_button_0_flag) { // if button_0 is pressed |
el14dg | 3:70a7b64fbd98 | 37 | |
el14dg | 3:70a7b64fbd98 | 38 | pc.printf("g_button_0_flag = %d \n", g_button_0_flag); |
el14dg | 2:e504a3cfe113 | 39 | |
el14dg | 2:e504a3cfe113 | 40 | g_button_0_flag = 0; |
el14dg | 2:e504a3cfe113 | 41 | |
el14dg | 3:70a7b64fbd98 | 42 | button_0_protocol(); |
el14dg | 2:e504a3cfe113 | 43 | |
el14dg | 0:12ae42019e9f | 44 | } |
el14dg | 3:70a7b64fbd98 | 45 | |
el14dg | 6:dc1229224d8e | 46 | if (g_button_1_flag) { // if button_1 is pressed |
el14dg | 3:70a7b64fbd98 | 47 | |
el14dg | 3:70a7b64fbd98 | 48 | pc.printf("g_button_1_flag = %d \n", g_button_1_flag); |
el14dg | 2:e504a3cfe113 | 49 | |
el14dg | 2:e504a3cfe113 | 50 | g_button_1_flag = 0; |
el14dg | 6:dc1229224d8e | 51 | |
el14dg | 3:70a7b64fbd98 | 52 | button_1_protocol(); |
el14dg | 0:12ae42019e9f | 53 | |
el14dg | 2:e504a3cfe113 | 54 | } |
el14dg | 2:e504a3cfe113 | 55 | |
el14dg | 6:dc1229224d8e | 56 | if (g_button_c_flag) { // if button_c is pressed |
el14dg | 3:70a7b64fbd98 | 57 | |
el14dg | 3:70a7b64fbd98 | 58 | pc.printf("g_button_c_flag = %d \n", g_button_c_flag); |
el14dg | 2:e504a3cfe113 | 59 | |
el14dg | 2:e504a3cfe113 | 60 | g_button_c_flag = 0; |
el14dg | 5:41cb88f47f42 | 61 | |
el14dg | 3:70a7b64fbd98 | 62 | button_c_protocol(); |
el14dg | 5:41cb88f47f42 | 63 | |
el14dg | 3:70a7b64fbd98 | 64 | } |
el14dg | 3:70a7b64fbd98 | 65 | |
el14dg | 6:dc1229224d8e | 66 | if (g_setting_distance_flag) { // state 4 - initial setting distance |
el14dg | 3:70a7b64fbd98 | 67 | |
el14dg | 3:70a7b64fbd98 | 68 | g_setting_distance_flag = 0; |
el14dg | 3:70a7b64fbd98 | 69 | |
el14dg | 3:70a7b64fbd98 | 70 | get_setting_distance(); |
el14dg | 3:70a7b64fbd98 | 71 | |
el14dg | 3:70a7b64fbd98 | 72 | } |
el14dg | 3:70a7b64fbd98 | 73 | |
el14dg | 6:dc1229224d8e | 74 | if (g_intruder_distance_flag) { // state 5 - current distance compared to initial setting distance |
el14dg | 9:a5614f53d435 | 75 | |
el14dg | 9:a5614f53d435 | 76 | if (g_current_state == 5) { |
el14dg | 9:a5614f53d435 | 77 | |
el14dg | 9:a5614f53d435 | 78 | g_setting_distance_flag = 0; |
el14dg | 3:70a7b64fbd98 | 79 | |
el14dg | 9:a5614f53d435 | 80 | get_intruder_distance(); |
el14dg | 9:a5614f53d435 | 81 | |
el14dg | 9:a5614f53d435 | 82 | } |
el14dg | 3:70a7b64fbd98 | 83 | |
el14dg | 5:41cb88f47f42 | 84 | } |
el14dg | 6:dc1229224d8e | 85 | |
el14dg | 6:dc1229224d8e | 86 | if (g_setting_screen_flag) { // state 4 loading bar and percentage animation |
el14dg | 6:dc1229224d8e | 87 | |
el14dg | 5:41cb88f47f42 | 88 | g_setting_screen_flag = 0; |
el14dg | 6:dc1229224d8e | 89 | |
el14dg | 6:dc1229224d8e | 90 | setting_animation(); |
el14dg | 3:70a7b64fbd98 | 91 | |
el14dg | 6:dc1229224d8e | 92 | } |
el14dg | 6:dc1229224d8e | 93 | |
el14dg | 6:dc1229224d8e | 94 | if (g_led_buzzer_flag) { // toggles LED and buzzer |
el14dg | 9:a5614f53d435 | 95 | |
el14dg | 5:41cb88f47f42 | 96 | g_led_buzzer_flag = 0; |
el14dg | 3:70a7b64fbd98 | 97 | |
el14dg | 5:41cb88f47f42 | 98 | led_alarm = !led_alarm; |
el14dg | 6:dc1229224d8e | 99 | |
el14dg | 5:41cb88f47f42 | 100 | if (buzzer == 0) { |
el14dg | 6:dc1229224d8e | 101 | |
el14dg | 5:41cb88f47f42 | 102 | buzzer = 0.5; |
el14dg | 6:dc1229224d8e | 103 | |
el14dg | 5:41cb88f47f42 | 104 | } |
el14dg | 6:dc1229224d8e | 105 | |
el14dg | 5:41cb88f47f42 | 106 | else { |
el14dg | 6:dc1229224d8e | 107 | |
el14dg | 5:41cb88f47f42 | 108 | buzzer = 0; |
el14dg | 6:dc1229224d8e | 109 | |
el14dg | 8:8a3d1c07bdec | 110 | } |
el14dg | 0:12ae42019e9f | 111 | |
el14dg | 2:e504a3cfe113 | 112 | } |
el14dg | 8:8a3d1c07bdec | 113 | |
el14dg | 8:8a3d1c07bdec | 114 | if (g_acc_flag) { |
el14dg | 8:8a3d1c07bdec | 115 | |
el14dg | 8:8a3d1c07bdec | 116 | g_acc_flag = 0; |
el14dg | 8:8a3d1c07bdec | 117 | |
el14dg | 8:8a3d1c07bdec | 118 | if (g_current_state == 4) { |
el14dg | 8:8a3d1c07bdec | 119 | |
el14dg | 8:8a3d1c07bdec | 120 | compare_axis_data(); |
el14dg | 8:8a3d1c07bdec | 121 | |
el14dg | 8:8a3d1c07bdec | 122 | } |
el14dg | 8:8a3d1c07bdec | 123 | |
el14dg | 8:8a3d1c07bdec | 124 | } |
el14dg | 3:70a7b64fbd98 | 125 | |
el14dg | 6:dc1229224d8e | 126 | if (g_pin_timeout_flag) { // state 7 - 20 second timeout |
el14dg | 3:70a7b64fbd98 | 127 | |
el14dg | 5:41cb88f47f42 | 128 | g_pin_timeout_flag = 0; |
el14dg | 3:70a7b64fbd98 | 129 | |
el14dg | 5:41cb88f47f42 | 130 | timeout_protocol(); |
el14dg | 6:dc1229224d8e | 131 | |
el14dg | 5:41cb88f47f42 | 132 | } |
el14dg | 6:dc1229224d8e | 133 | |
el14dg | 3:70a7b64fbd98 | 134 | if (g_next_state != g_current_state) { |
el14dg | 6:dc1229224d8e | 135 | |
el14dg | 5:41cb88f47f42 | 136 | pc.printf("TRANSITION \n"); |
el14dg | 3:70a7b64fbd98 | 137 | |
el14dg | 6:dc1229224d8e | 138 | screen_selection(); // the screen is determined by the value of g_next_state |
el14dg | 6:dc1229224d8e | 139 | |
el14dg | 5:41cb88f47f42 | 140 | g_current_state = g_next_state; |
el14dg | 6:dc1229224d8e | 141 | |
el14dg | 5:41cb88f47f42 | 142 | pc.printf("Current State = %d \n",g_current_state); |
el14dg | 6:dc1229224d8e | 143 | |
el14dg | 3:70a7b64fbd98 | 144 | } |
el14dg | 3:70a7b64fbd98 | 145 | |
el14dg | 2:e504a3cfe113 | 146 | sleep(); |
el14dg | 6:dc1229224d8e | 147 | |
el14dg | 2:e504a3cfe113 | 148 | |
el14dg | 0:12ae42019e9f | 149 | } |
el14dg | 2:e504a3cfe113 | 150 | |
el14dg | 0:12ae42019e9f | 151 | } |
el14dg | 0:12ae42019e9f | 152 | |
el14dg | 2:e504a3cfe113 | 153 | |
el14dg | 7:8ac5aee0c13e | 154 | // Initialisation Functions |
el14dg | 7:8ac5aee0c13e | 155 | |
el14dg | 0:12ae42019e9f | 156 | void init_serial() |
el14dg | 0:12ae42019e9f | 157 | { |
el14dg | 2:e504a3cfe113 | 158 | // Ensure terminal software matches |
el14dg | 3:70a7b64fbd98 | 159 | pc.baud(115200); |
el14dg | 0:12ae42019e9f | 160 | } |
el14dg | 0:12ae42019e9f | 161 | |
el14dg | 0:12ae42019e9f | 162 | void init_K64F() |
el14dg | 0:12ae42019e9f | 163 | { |
el14dg | 6:dc1229224d8e | 164 | // on-board LEDs are active-low, so they are set high to turn them off. |
el14dg | 0:12ae42019e9f | 165 | r_led = 1; |
el14dg | 0:12ae42019e9f | 166 | g_led = 1; |
el14dg | 0:12ae42019e9f | 167 | b_led = 1; |
el14dg | 0:12ae42019e9f | 168 | |
el14dg | 0:12ae42019e9f | 169 | // since the on-board switches have external pull-ups, we should disable the internal pull-down |
el14dg | 0:12ae42019e9f | 170 | // resistors that are enabled by default using InterruptIn |
el14dg | 0:12ae42019e9f | 171 | sw2.mode(PullNone); |
el14dg | 0:12ae42019e9f | 172 | sw3.mode(PullNone); |
el14dg | 0:12ae42019e9f | 173 | |
el14dg | 0:12ae42019e9f | 174 | } |
el14dg | 2:e504a3cfe113 | 175 | |
el14dg | 2:e504a3cfe113 | 176 | void init_buttons() |
el14dg | 2:e504a3cfe113 | 177 | { |
el14dg | 6:dc1229224d8e | 178 | // all external buttons trigger the relevant ISR when the voltage at the K64F pin falls |
el14dg | 2:e504a3cfe113 | 179 | button_0.fall(&button_0_isr); |
el14dg | 2:e504a3cfe113 | 180 | button_1.fall(&button_1_isr); |
el14dg | 2:e504a3cfe113 | 181 | button_c.fall(&button_c_isr); |
el14dg | 2:e504a3cfe113 | 182 | |
el14dg | 6:dc1229224d8e | 183 | // enable the internal pull-down resistors |
el14dg | 2:e504a3cfe113 | 184 | button_0.mode(PullDown); |
el14dg | 2:e504a3cfe113 | 185 | button_1.mode(PullDown); |
el14dg | 2:e504a3cfe113 | 186 | button_c.mode(PullDown); |
el14dg | 2:e504a3cfe113 | 187 | |
el14dg | 2:e504a3cfe113 | 188 | } |
el14dg | 2:e504a3cfe113 | 189 | |
el14dg | 5:41cb88f47f42 | 190 | void init_variables() |
el14dg | 5:41cb88f47f42 | 191 | { |
el14dg | 5:41cb88f47f42 | 192 | |
el14dg | 5:41cb88f47f42 | 193 | one_second_distance = 0; |
el14dg | 5:41cb88f47f42 | 194 | one_second_avg_distance = 0; |
el14dg | 5:41cb88f47f42 | 195 | initial_setting_distance = 0; |
el14dg | 5:41cb88f47f42 | 196 | |
el14dg | 5:41cb88f47f42 | 197 | pin_counter = 0; |
el14dg | 5:41cb88f47f42 | 198 | incorrect_pin_flag = 0; |
el14dg | 5:41cb88f47f42 | 199 | |
el14dg | 5:41cb88f47f42 | 200 | setting_distance_counter = 0; |
el14dg | 5:41cb88f47f42 | 201 | intruder_distance_counter = 0; |
el14dg | 5:41cb88f47f42 | 202 | |
el14dg | 5:41cb88f47f42 | 203 | g_button_0_flag = 0; |
el14dg | 5:41cb88f47f42 | 204 | g_button_1_flag = 0; |
el14dg | 5:41cb88f47f42 | 205 | g_button_c_flag = 0; |
el14dg | 5:41cb88f47f42 | 206 | g_setting_distance_flag = 0; |
el14dg | 5:41cb88f47f42 | 207 | g_intruder_distance_flag = 0; |
el14dg | 5:41cb88f47f42 | 208 | g_pin_timeout_flag = 0; |
el14dg | 5:41cb88f47f42 | 209 | |
el14dg | 5:41cb88f47f42 | 210 | g_current_state = 0; |
el14dg | 5:41cb88f47f42 | 211 | |
el14dg | 6:dc1229224d8e | 212 | reset_entered_pin(); |
el14dg | 8:8a3d1c07bdec | 213 | |
el14dg | 8:8a3d1c07bdec | 214 | acc.enable(); |
el14dg | 6:dc1229224d8e | 215 | |
el14dg | 5:41cb88f47f42 | 216 | } |
el14dg | 5:41cb88f47f42 | 217 | |
el14dg | 7:8ac5aee0c13e | 218 | // Interrupt Service Routines (ISRs) |
el14dg | 7:8ac5aee0c13e | 219 | |
el14dg | 3:70a7b64fbd98 | 220 | void setting_distance_isr() |
el14dg | 2:e504a3cfe113 | 221 | { |
el14dg | 3:70a7b64fbd98 | 222 | g_setting_distance_flag = 1; |
el14dg | 3:70a7b64fbd98 | 223 | |
el14dg | 3:70a7b64fbd98 | 224 | } |
el14dg | 3:70a7b64fbd98 | 225 | |
el14dg | 3:70a7b64fbd98 | 226 | void intruder_distance_isr() |
el14dg | 3:70a7b64fbd98 | 227 | { |
el14dg | 3:70a7b64fbd98 | 228 | g_intruder_distance_flag = 1; |
el14dg | 2:e504a3cfe113 | 229 | |
el14dg | 2:e504a3cfe113 | 230 | } |
el14dg | 2:e504a3cfe113 | 231 | |
el14dg | 2:e504a3cfe113 | 232 | void button_0_isr() |
el14dg | 2:e504a3cfe113 | 233 | { |
el14dg | 2:e504a3cfe113 | 234 | g_button_0_flag = 1; |
el14dg | 2:e504a3cfe113 | 235 | |
el14dg | 2:e504a3cfe113 | 236 | } |
el14dg | 2:e504a3cfe113 | 237 | |
el14dg | 2:e504a3cfe113 | 238 | void button_1_isr() |
el14dg | 2:e504a3cfe113 | 239 | { |
el14dg | 2:e504a3cfe113 | 240 | g_button_1_flag = 1; |
el14dg | 2:e504a3cfe113 | 241 | |
el14dg | 2:e504a3cfe113 | 242 | } |
el14dg | 2:e504a3cfe113 | 243 | |
el14dg | 2:e504a3cfe113 | 244 | void button_c_isr() |
el14dg | 2:e504a3cfe113 | 245 | { |
el14dg | 2:e504a3cfe113 | 246 | g_button_c_flag = 1; |
el14dg | 2:e504a3cfe113 | 247 | |
el14dg | 2:e504a3cfe113 | 248 | } |
el14dg | 2:e504a3cfe113 | 249 | |
el14dg | 7:8ac5aee0c13e | 250 | void led_buzzer_isr() |
el14dg | 7:8ac5aee0c13e | 251 | { |
el14dg | 7:8ac5aee0c13e | 252 | g_led_buzzer_flag = 1; |
el14dg | 7:8ac5aee0c13e | 253 | |
el14dg | 7:8ac5aee0c13e | 254 | } |
el14dg | 7:8ac5aee0c13e | 255 | |
el14dg | 8:8a3d1c07bdec | 256 | void acc_isr() |
el14dg | 8:8a3d1c07bdec | 257 | { |
el14dg | 8:8a3d1c07bdec | 258 | g_acc_flag = 1; |
el14dg | 8:8a3d1c07bdec | 259 | |
el14dg | 8:8a3d1c07bdec | 260 | } |
el14dg | 8:8a3d1c07bdec | 261 | |
el14dg | 5:41cb88f47f42 | 262 | void pin_timeout_isr() |
el14dg | 5:41cb88f47f42 | 263 | { |
el14dg | 5:41cb88f47f42 | 264 | g_pin_timeout_flag = 1; |
el14dg | 5:41cb88f47f42 | 265 | |
el14dg | 5:41cb88f47f42 | 266 | } |
el14dg | 5:41cb88f47f42 | 267 | |
el14dg | 7:8ac5aee0c13e | 268 | void setting_screen_isr() |
el14dg | 5:41cb88f47f42 | 269 | { |
el14dg | 7:8ac5aee0c13e | 270 | g_setting_screen_flag = 1; |
el14dg | 6:dc1229224d8e | 271 | |
el14dg | 7:8ac5aee0c13e | 272 | } |
el14dg | 6:dc1229224d8e | 273 | |
el14dg | 7:8ac5aee0c13e | 274 | // Button Functions |
el14dg | 5:41cb88f47f42 | 275 | |
el14dg | 3:70a7b64fbd98 | 276 | void button_0_protocol() |
el14dg | 2:e504a3cfe113 | 277 | { |
el14dg | 6:dc1229224d8e | 278 | |
el14dg | 6:dc1229224d8e | 279 | // states 2, 3, 6 and 7 require a pin to be entered |
el14dg | 6:dc1229224d8e | 280 | |
el14dg | 3:70a7b64fbd98 | 281 | if (g_current_state == 2) { |
el14dg | 3:70a7b64fbd98 | 282 | |
el14dg | 6:dc1229224d8e | 283 | if (pin_counter < 4) { // entered_pin has four elements |
el14dg | 3:70a7b64fbd98 | 284 | |
el14dg | 3:70a7b64fbd98 | 285 | entered_pin[pin_counter] = 0; |
el14dg | 3:70a7b64fbd98 | 286 | |
el14dg | 3:70a7b64fbd98 | 287 | pin_counter++; |
el14dg | 3:70a7b64fbd98 | 288 | |
el14dg | 3:70a7b64fbd98 | 289 | } |
el14dg | 5:41cb88f47f42 | 290 | |
el14dg | 9:a5614f53d435 | 291 | enter_pin(); // enter_pin() prints '*' to the LCD |
el14dg | 3:70a7b64fbd98 | 292 | |
el14dg | 3:70a7b64fbd98 | 293 | } |
el14dg | 3:70a7b64fbd98 | 294 | |
el14dg | 3:70a7b64fbd98 | 295 | else if (g_current_state == 3) { |
el14dg | 3:70a7b64fbd98 | 296 | |
el14dg | 6:dc1229224d8e | 297 | if (pin_counter < 4) { // entered_pin has four elements |
el14dg | 3:70a7b64fbd98 | 298 | |
el14dg | 3:70a7b64fbd98 | 299 | entered_pin[pin_counter] = 0; |
el14dg | 3:70a7b64fbd98 | 300 | |
el14dg | 3:70a7b64fbd98 | 301 | pin_counter++; |
el14dg | 3:70a7b64fbd98 | 302 | |
el14dg | 3:70a7b64fbd98 | 303 | } |
el14dg | 5:41cb88f47f42 | 304 | |
el14dg | 9:a5614f53d435 | 305 | enter_pin(); // Prints '*' to the LCD |
el14dg | 3:70a7b64fbd98 | 306 | |
el14dg | 3:70a7b64fbd98 | 307 | } |
el14dg | 2:e504a3cfe113 | 308 | |
el14dg | 3:70a7b64fbd98 | 309 | else if (g_current_state == 6) { |
el14dg | 3:70a7b64fbd98 | 310 | |
el14dg | 6:dc1229224d8e | 311 | if (pin_counter < 4) { // entered_pin has four elements |
el14dg | 6:dc1229224d8e | 312 | |
el14dg | 6:dc1229224d8e | 313 | entered_pin[pin_counter] = 0; |
el14dg | 6:dc1229224d8e | 314 | |
el14dg | 6:dc1229224d8e | 315 | pin_counter++; |
el14dg | 6:dc1229224d8e | 316 | |
el14dg | 6:dc1229224d8e | 317 | } |
el14dg | 6:dc1229224d8e | 318 | |
el14dg | 9:a5614f53d435 | 319 | enter_pin(); // Prints '*' to the LCD |
el14dg | 6:dc1229224d8e | 320 | |
el14dg | 6:dc1229224d8e | 321 | } |
el14dg | 6:dc1229224d8e | 322 | |
el14dg | 6:dc1229224d8e | 323 | else if (g_current_state == 7) { // entered_pin has four elements |
el14dg | 6:dc1229224d8e | 324 | |
el14dg | 3:70a7b64fbd98 | 325 | if (pin_counter < 4) { |
el14dg | 3:70a7b64fbd98 | 326 | |
el14dg | 3:70a7b64fbd98 | 327 | entered_pin[pin_counter] = 0; |
el14dg | 3:70a7b64fbd98 | 328 | |
el14dg | 3:70a7b64fbd98 | 329 | pin_counter++; |
el14dg | 3:70a7b64fbd98 | 330 | |
el14dg | 3:70a7b64fbd98 | 331 | } |
el14dg | 5:41cb88f47f42 | 332 | |
el14dg | 9:a5614f53d435 | 333 | enter_pin(); // Prints '*' to the LCD |
el14dg | 3:70a7b64fbd98 | 334 | |
el14dg | 3:70a7b64fbd98 | 335 | } |
el14dg | 3:70a7b64fbd98 | 336 | |
el14dg | 3:70a7b64fbd98 | 337 | else { |
el14dg | 2:e504a3cfe113 | 338 | |
el14dg | 9:a5614f53d435 | 339 | g_next_state = fsm[g_current_state].nextState[0]; // Filters through fsm to find the next state |
el14dg | 3:70a7b64fbd98 | 340 | |
el14dg | 3:70a7b64fbd98 | 341 | } |
el14dg | 3:70a7b64fbd98 | 342 | |
el14dg | 3:70a7b64fbd98 | 343 | } |
el14dg | 3:70a7b64fbd98 | 344 | |
el14dg | 3:70a7b64fbd98 | 345 | void button_1_protocol() |
el14dg | 3:70a7b64fbd98 | 346 | { |
el14dg | 3:70a7b64fbd98 | 347 | |
el14dg | 9:a5614f53d435 | 348 | // States 2, 3, 6 and 7 require a pin to be entered |
el14dg | 6:dc1229224d8e | 349 | |
el14dg | 3:70a7b64fbd98 | 350 | if (g_current_state == 2) { |
el14dg | 3:70a7b64fbd98 | 351 | |
el14dg | 6:dc1229224d8e | 352 | if (pin_counter < 4) { // entered_pin has four elements |
el14dg | 3:70a7b64fbd98 | 353 | |
el14dg | 3:70a7b64fbd98 | 354 | entered_pin[pin_counter] = 1; |
el14dg | 3:70a7b64fbd98 | 355 | |
el14dg | 3:70a7b64fbd98 | 356 | pin_counter++; |
el14dg | 3:70a7b64fbd98 | 357 | |
el14dg | 3:70a7b64fbd98 | 358 | } |
el14dg | 5:41cb88f47f42 | 359 | |
el14dg | 9:a5614f53d435 | 360 | enter_pin(); // enter_pin() prints '*' to the LCD |
el14dg | 3:70a7b64fbd98 | 361 | |
el14dg | 3:70a7b64fbd98 | 362 | } |
el14dg | 3:70a7b64fbd98 | 363 | |
el14dg | 3:70a7b64fbd98 | 364 | else if (g_current_state == 3) { |
el14dg | 3:70a7b64fbd98 | 365 | |
el14dg | 6:dc1229224d8e | 366 | if (pin_counter < 4) { // entered_pin has four elements |
el14dg | 2:e504a3cfe113 | 367 | |
el14dg | 3:70a7b64fbd98 | 368 | entered_pin[pin_counter] = 1; |
el14dg | 3:70a7b64fbd98 | 369 | |
el14dg | 3:70a7b64fbd98 | 370 | pin_counter++; |
el14dg | 3:70a7b64fbd98 | 371 | |
el14dg | 3:70a7b64fbd98 | 372 | } |
el14dg | 5:41cb88f47f42 | 373 | |
el14dg | 9:a5614f53d435 | 374 | enter_pin(); // Prints '*' to the LCD |
el14dg | 3:70a7b64fbd98 | 375 | |
el14dg | 3:70a7b64fbd98 | 376 | } |
el14dg | 3:70a7b64fbd98 | 377 | |
el14dg | 3:70a7b64fbd98 | 378 | else if (g_current_state == 6) { |
el14dg | 3:70a7b64fbd98 | 379 | |
el14dg | 6:dc1229224d8e | 380 | if (pin_counter < 4) { // entered_pin has four elements |
el14dg | 3:70a7b64fbd98 | 381 | |
el14dg | 3:70a7b64fbd98 | 382 | entered_pin[pin_counter] = 1; |
el14dg | 2:e504a3cfe113 | 383 | |
el14dg | 3:70a7b64fbd98 | 384 | pin_counter++; |
el14dg | 3:70a7b64fbd98 | 385 | |
el14dg | 3:70a7b64fbd98 | 386 | } |
el14dg | 5:41cb88f47f42 | 387 | |
el14dg | 9:a5614f53d435 | 388 | enter_pin(); // Prints '*' to the LCD |
el14dg | 3:70a7b64fbd98 | 389 | |
el14dg | 3:70a7b64fbd98 | 390 | } |
el14dg | 3:70a7b64fbd98 | 391 | |
el14dg | 3:70a7b64fbd98 | 392 | else if (g_current_state == 7) { |
el14dg | 3:70a7b64fbd98 | 393 | |
el14dg | 6:dc1229224d8e | 394 | if (pin_counter < 4) { // entered_pin has four elements |
el14dg | 3:70a7b64fbd98 | 395 | |
el14dg | 3:70a7b64fbd98 | 396 | entered_pin[pin_counter] = 1; |
el14dg | 3:70a7b64fbd98 | 397 | |
el14dg | 3:70a7b64fbd98 | 398 | pin_counter++; |
el14dg | 2:e504a3cfe113 | 399 | |
el14dg | 2:e504a3cfe113 | 400 | } |
el14dg | 5:41cb88f47f42 | 401 | |
el14dg | 9:a5614f53d435 | 402 | enter_pin(); // Prints '*' to the LCD |
el14dg | 5:41cb88f47f42 | 403 | |
el14dg | 3:70a7b64fbd98 | 404 | } |
el14dg | 3:70a7b64fbd98 | 405 | |
el14dg | 3:70a7b64fbd98 | 406 | else { |
el14dg | 3:70a7b64fbd98 | 407 | |
el14dg | 9:a5614f53d435 | 408 | g_next_state = fsm[g_current_state].nextState[1]; // Filters through fsm to find the next state |
el14dg | 3:70a7b64fbd98 | 409 | |
el14dg | 3:70a7b64fbd98 | 410 | } |
el14dg | 3:70a7b64fbd98 | 411 | |
el14dg | 3:70a7b64fbd98 | 412 | } |
el14dg | 3:70a7b64fbd98 | 413 | |
el14dg | 3:70a7b64fbd98 | 414 | void button_c_protocol() |
el14dg | 3:70a7b64fbd98 | 415 | { |
el14dg | 3:70a7b64fbd98 | 416 | |
el14dg | 9:a5614f53d435 | 417 | // States 2, 3, 6 and 7 require a pin to be entered |
el14dg | 9:a5614f53d435 | 418 | // The screen only progresses if the correct pin is entered |
el14dg | 6:dc1229224d8e | 419 | |
el14dg | 3:70a7b64fbd98 | 420 | if (g_current_state == 2) { |
el14dg | 3:70a7b64fbd98 | 421 | |
el14dg | 4:9cac024c057c | 422 | screen_progression(); |
el14dg | 3:70a7b64fbd98 | 423 | |
el14dg | 3:70a7b64fbd98 | 424 | } |
el14dg | 3:70a7b64fbd98 | 425 | |
el14dg | 3:70a7b64fbd98 | 426 | else if (g_current_state == 3) { |
el14dg | 3:70a7b64fbd98 | 427 | |
el14dg | 4:9cac024c057c | 428 | screen_progression(); |
el14dg | 3:70a7b64fbd98 | 429 | |
el14dg | 3:70a7b64fbd98 | 430 | } |
el14dg | 3:70a7b64fbd98 | 431 | |
el14dg | 3:70a7b64fbd98 | 432 | else if (g_current_state == 6) { |
el14dg | 3:70a7b64fbd98 | 433 | |
el14dg | 4:9cac024c057c | 434 | screen_progression(); |
el14dg | 2:e504a3cfe113 | 435 | |
el14dg | 3:70a7b64fbd98 | 436 | } |
el14dg | 3:70a7b64fbd98 | 437 | |
el14dg | 3:70a7b64fbd98 | 438 | else if (g_current_state == 7) { |
el14dg | 3:70a7b64fbd98 | 439 | |
el14dg | 4:9cac024c057c | 440 | screen_progression(); |
el14dg | 3:70a7b64fbd98 | 441 | |
el14dg | 3:70a7b64fbd98 | 442 | } |
el14dg | 3:70a7b64fbd98 | 443 | |
el14dg | 3:70a7b64fbd98 | 444 | else { |
el14dg | 3:70a7b64fbd98 | 445 | |
el14dg | 6:dc1229224d8e | 446 | g_next_state = fsm[g_current_state].nextState[2]; // filters through fsm to find the next state |
el14dg | 3:70a7b64fbd98 | 447 | |
el14dg | 3:70a7b64fbd98 | 448 | } |
el14dg | 2:e504a3cfe113 | 449 | |
el14dg | 3:70a7b64fbd98 | 450 | } |
el14dg | 3:70a7b64fbd98 | 451 | |
el14dg | 7:8ac5aee0c13e | 452 | // State Functions |
el14dg | 3:70a7b64fbd98 | 453 | |
el14dg | 2:e504a3cfe113 | 454 | void state_0_screen() |
el14dg | 2:e504a3cfe113 | 455 | { |
el14dg | 2:e504a3cfe113 | 456 | lcd.clear(); |
el14dg | 2:e504a3cfe113 | 457 | |
el14dg | 6:dc1229224d8e | 458 | // print the screen |
el14dg | 6:dc1229224d8e | 459 | |
el14dg | 5:41cb88f47f42 | 460 | lcd.printString("Mobile",27,1); |
el14dg | 6:dc1229224d8e | 461 | |
el14dg | 5:41cb88f47f42 | 462 | lcd.printString("Security",18,2); |
el14dg | 2:e504a3cfe113 | 463 | |
el14dg | 5:41cb88f47f42 | 464 | lcd.printString("System",27,3); |
el14dg | 6:dc1229224d8e | 465 | |
el14dg | 5:41cb88f47f42 | 466 | lcd_border(); |
el14dg | 6:dc1229224d8e | 467 | |
el14dg | 6:dc1229224d8e | 468 | // set LED and buzzer |
el14dg | 6:dc1229224d8e | 469 | |
el14dg | 6:dc1229224d8e | 470 | led_alarm = 0; |
el14dg | 6:dc1229224d8e | 471 | |
el14dg | 5:41cb88f47f42 | 472 | buzzer.write(0.0); |
el14dg | 6:dc1229224d8e | 473 | |
el14dg | 2:e504a3cfe113 | 474 | lcd.refresh(); |
el14dg | 2:e504a3cfe113 | 475 | |
el14dg | 2:e504a3cfe113 | 476 | } |
el14dg | 2:e504a3cfe113 | 477 | |
el14dg | 2:e504a3cfe113 | 478 | void state_1_screen() |
el14dg | 2:e504a3cfe113 | 479 | { |
el14dg | 2:e504a3cfe113 | 480 | lcd.clear(); |
el14dg | 2:e504a3cfe113 | 481 | |
el14dg | 6:dc1229224d8e | 482 | // print the screen |
el14dg | 6:dc1229224d8e | 483 | |
el14dg | 2:e504a3cfe113 | 484 | lcd.printString("Set Alarm",15,1); |
el14dg | 2:e504a3cfe113 | 485 | |
el14dg | 2:e504a3cfe113 | 486 | lcd.printString("Set New Pin",9,4); |
el14dg | 6:dc1229224d8e | 487 | |
el14dg | 5:41cb88f47f42 | 488 | lcd_border(); |
el14dg | 6:dc1229224d8e | 489 | |
el14dg | 5:41cb88f47f42 | 490 | for (int i = 0; i < WIDTH; i++) { |
el14dg | 6:dc1229224d8e | 491 | |
el14dg | 5:41cb88f47f42 | 492 | lcd.setPixel(i,24); |
el14dg | 6:dc1229224d8e | 493 | |
el14dg | 6:dc1229224d8e | 494 | } |
el14dg | 6:dc1229224d8e | 495 | |
el14dg | 6:dc1229224d8e | 496 | // detach tickers |
el14dg | 6:dc1229224d8e | 497 | |
el14dg | 6:dc1229224d8e | 498 | pin_timeout.detach(); |
el14dg | 8:8a3d1c07bdec | 499 | |
el14dg | 8:8a3d1c07bdec | 500 | accelerometer.detach(); |
el14dg | 8:8a3d1c07bdec | 501 | |
el14dg | 8:8a3d1c07bdec | 502 | intruder_distance.detach(); |
el14dg | 8:8a3d1c07bdec | 503 | |
el14dg | 5:41cb88f47f42 | 504 | alerts.detach(); |
el14dg | 6:dc1229224d8e | 505 | |
el14dg | 6:dc1229224d8e | 506 | // set LED and buzzer |
el14dg | 6:dc1229224d8e | 507 | |
el14dg | 6:dc1229224d8e | 508 | led_alarm = 0; |
el14dg | 6:dc1229224d8e | 509 | |
el14dg | 9:a5614f53d435 | 510 | buzzer.write(0.0); |
el14dg | 6:dc1229224d8e | 511 | |
el14dg | 6:dc1229224d8e | 512 | // reset counter |
el14dg | 6:dc1229224d8e | 513 | |
el14dg | 5:41cb88f47f42 | 514 | pin_timeout_counter = 0; |
el14dg | 6:dc1229224d8e | 515 | |
el14dg | 2:e504a3cfe113 | 516 | lcd.refresh(); |
el14dg | 2:e504a3cfe113 | 517 | |
el14dg | 2:e504a3cfe113 | 518 | } |
el14dg | 2:e504a3cfe113 | 519 | |
el14dg | 5:41cb88f47f42 | 520 | void state_2_screen() |
el14dg | 2:e504a3cfe113 | 521 | { |
el14dg | 2:e504a3cfe113 | 522 | lcd.clear(); |
el14dg | 2:e504a3cfe113 | 523 | |
el14dg | 6:dc1229224d8e | 524 | // print the screen |
el14dg | 6:dc1229224d8e | 525 | |
el14dg | 2:e504a3cfe113 | 526 | lcd.printString("Enter 4 Digit",3,1); |
el14dg | 2:e504a3cfe113 | 527 | |
el14dg | 2:e504a3cfe113 | 528 | lcd.printString("Pin Below",15,2); |
el14dg | 6:dc1229224d8e | 529 | |
el14dg | 5:41cb88f47f42 | 530 | pin_text_box(); |
el14dg | 6:dc1229224d8e | 531 | |
el14dg | 5:41cb88f47f42 | 532 | lcd_border(); |
el14dg | 6:dc1229224d8e | 533 | |
el14dg | 6:dc1229224d8e | 534 | // set the LED and buzzer |
el14dg | 6:dc1229224d8e | 535 | |
el14dg | 6:dc1229224d8e | 536 | led_alarm = 0; |
el14dg | 6:dc1229224d8e | 537 | |
el14dg | 5:41cb88f47f42 | 538 | buzzer.write(0.0); |
el14dg | 6:dc1229224d8e | 539 | |
el14dg | 2:e504a3cfe113 | 540 | lcd.refresh(); |
el14dg | 2:e504a3cfe113 | 541 | |
el14dg | 2:e504a3cfe113 | 542 | } |
el14dg | 2:e504a3cfe113 | 543 | |
el14dg | 3:70a7b64fbd98 | 544 | void state_3_screen() |
el14dg | 3:70a7b64fbd98 | 545 | { |
el14dg | 3:70a7b64fbd98 | 546 | lcd.clear(); |
el14dg | 3:70a7b64fbd98 | 547 | |
el14dg | 6:dc1229224d8e | 548 | // print the screen |
el14dg | 6:dc1229224d8e | 549 | |
el14dg | 3:70a7b64fbd98 | 550 | lcd.printString("Enter New 4",9,1); |
el14dg | 3:70a7b64fbd98 | 551 | |
el14dg | 3:70a7b64fbd98 | 552 | lcd.printString("Digit Pin",15,2); |
el14dg | 6:dc1229224d8e | 553 | |
el14dg | 5:41cb88f47f42 | 554 | pin_text_box(); |
el14dg | 3:70a7b64fbd98 | 555 | |
el14dg | 5:41cb88f47f42 | 556 | lcd_border(); |
el14dg | 6:dc1229224d8e | 557 | |
el14dg | 6:dc1229224d8e | 558 | // set the LED and buzzer |
el14dg | 6:dc1229224d8e | 559 | |
el14dg | 6:dc1229224d8e | 560 | led_alarm = 0; |
el14dg | 6:dc1229224d8e | 561 | |
el14dg | 5:41cb88f47f42 | 562 | buzzer.write(0.0); |
el14dg | 6:dc1229224d8e | 563 | |
el14dg | 3:70a7b64fbd98 | 564 | lcd.refresh(); |
el14dg | 3:70a7b64fbd98 | 565 | |
el14dg | 3:70a7b64fbd98 | 566 | } |
el14dg | 3:70a7b64fbd98 | 567 | |
el14dg | 2:e504a3cfe113 | 568 | void state_4_screen() |
el14dg | 2:e504a3cfe113 | 569 | { |
el14dg | 2:e504a3cfe113 | 570 | lcd.clear(); |
el14dg | 2:e504a3cfe113 | 571 | |
el14dg | 6:dc1229224d8e | 572 | // print the screen |
el14dg | 6:dc1229224d8e | 573 | |
el14dg | 2:e504a3cfe113 | 574 | lcd.printString("Setting",21,1); |
el14dg | 6:dc1229224d8e | 575 | |
el14dg | 5:41cb88f47f42 | 576 | lcd_border(); |
el14dg | 6:dc1229224d8e | 577 | |
el14dg | 6:dc1229224d8e | 578 | lcd.drawRect(0,20,84,5,0); // blank setting bar |
el14dg | 6:dc1229224d8e | 579 | |
el14dg | 6:dc1229224d8e | 580 | lcd.printString("0%",41,4); // 0% of setting complete |
el14dg | 6:dc1229224d8e | 581 | |
el14dg | 6:dc1229224d8e | 582 | // reset counter |
el14dg | 6:dc1229224d8e | 583 | |
el14dg | 5:41cb88f47f42 | 584 | setting_alarm_counter = 0; |
el14dg | 6:dc1229224d8e | 585 | |
el14dg | 6:dc1229224d8e | 586 | // set LED and buzzer |
el14dg | 6:dc1229224d8e | 587 | |
el14dg | 5:41cb88f47f42 | 588 | led_alarm = 0; |
el14dg | 6:dc1229224d8e | 589 | |
el14dg | 5:41cb88f47f42 | 590 | buzzer.write(0.0); |
el14dg | 6:dc1229224d8e | 591 | |
el14dg | 6:dc1229224d8e | 592 | // attach tickers |
el14dg | 6:dc1229224d8e | 593 | |
el14dg | 5:41cb88f47f42 | 594 | alerts.attach(&led_buzzer_isr,0.5); |
el14dg | 8:8a3d1c07bdec | 595 | |
el14dg | 8:8a3d1c07bdec | 596 | setting_distance.attach(&setting_distance_isr,0.1); |
el14dg | 8:8a3d1c07bdec | 597 | |
el14dg | 8:8a3d1c07bdec | 598 | accelerometer.attach(&acc_isr,0.1); |
el14dg | 6:dc1229224d8e | 599 | |
el14dg | 8:8a3d1c07bdec | 600 | setting_screen.attach(&setting_screen_isr,0.28); |
el14dg | 8:8a3d1c07bdec | 601 | |
el14dg | 8:8a3d1c07bdec | 602 | // get setting accelerometer data |
el14dg | 8:8a3d1c07bdec | 603 | |
el14dg | 8:8a3d1c07bdec | 604 | get_axis_data(); |
el14dg | 8:8a3d1c07bdec | 605 | |
el14dg | 8:8a3d1c07bdec | 606 | pc.printf("Printing setting accelerometer data....\n"); |
el14dg | 8:8a3d1c07bdec | 607 | |
el14dg | 8:8a3d1c07bdec | 608 | setting_acc_X = acc_X; |
el14dg | 8:8a3d1c07bdec | 609 | |
el14dg | 8:8a3d1c07bdec | 610 | setting_acc_Y = acc_Y; |
el14dg | 8:8a3d1c07bdec | 611 | |
el14dg | 8:8a3d1c07bdec | 612 | setting_acc_Z = acc_Z; |
el14dg | 8:8a3d1c07bdec | 613 | |
el14dg | 8:8a3d1c07bdec | 614 | pc.printf("X = %.4f \nY = %.4f \nZ = %.4f \n",setting_acc_X,setting_acc_Y,setting_acc_Z); |
el14dg | 8:8a3d1c07bdec | 615 | |
el14dg | 2:e504a3cfe113 | 616 | lcd.refresh(); |
el14dg | 2:e504a3cfe113 | 617 | |
el14dg | 2:e504a3cfe113 | 618 | } |
el14dg | 2:e504a3cfe113 | 619 | |
el14dg | 2:e504a3cfe113 | 620 | void state_5_screen() |
el14dg | 2:e504a3cfe113 | 621 | { |
el14dg | 2:e504a3cfe113 | 622 | lcd.clear(); |
el14dg | 2:e504a3cfe113 | 623 | |
el14dg | 6:dc1229224d8e | 624 | // print the screen |
el14dg | 6:dc1229224d8e | 625 | |
el14dg | 2:e504a3cfe113 | 626 | lcd.printString("Alarm Set",15,1); |
el14dg | 2:e504a3cfe113 | 627 | |
el14dg | 2:e504a3cfe113 | 628 | lcd.printString("DEACTIVATE?",9,4); |
el14dg | 6:dc1229224d8e | 629 | |
el14dg | 5:41cb88f47f42 | 630 | lcd_border(); |
el14dg | 6:dc1229224d8e | 631 | |
el14dg | 5:41cb88f47f42 | 632 | for (int i = 0; i < WIDTH; i++) { |
el14dg | 6:dc1229224d8e | 633 | |
el14dg | 5:41cb88f47f42 | 634 | lcd.setPixel(i,20); |
el14dg | 6:dc1229224d8e | 635 | |
el14dg | 6:dc1229224d8e | 636 | } |
el14dg | 6:dc1229224d8e | 637 | |
el14dg | 6:dc1229224d8e | 638 | // detach tickers |
el14dg | 6:dc1229224d8e | 639 | |
el14dg | 5:41cb88f47f42 | 640 | alerts.detach(); |
el14dg | 8:8a3d1c07bdec | 641 | |
el14dg | 8:8a3d1c07bdec | 642 | accelerometer.detach(); |
el14dg | 6:dc1229224d8e | 643 | |
el14dg | 5:41cb88f47f42 | 644 | setting_screen.detach(); |
el14dg | 8:8a3d1c07bdec | 645 | |
el14dg | 8:8a3d1c07bdec | 646 | // attach ticker |
el14dg | 8:8a3d1c07bdec | 647 | |
el14dg | 8:8a3d1c07bdec | 648 | intruder_distance.attach(&intruder_distance_isr,0.1); |
el14dg | 6:dc1229224d8e | 649 | |
el14dg | 6:dc1229224d8e | 650 | // set LED and buzzer |
el14dg | 6:dc1229224d8e | 651 | |
el14dg | 5:41cb88f47f42 | 652 | led_alarm = 1; |
el14dg | 6:dc1229224d8e | 653 | |
el14dg | 5:41cb88f47f42 | 654 | buzzer.write(0.5); |
el14dg | 6:dc1229224d8e | 655 | |
el14dg | 6:dc1229224d8e | 656 | // turn off buzzer after 1 second |
el14dg | 6:dc1229224d8e | 657 | |
el14dg | 5:41cb88f47f42 | 658 | buzz.attach(&alarm_setting_buzz,1); |
el14dg | 5:41cb88f47f42 | 659 | |
el14dg | 5:41cb88f47f42 | 660 | lcd.refresh(); |
el14dg | 6:dc1229224d8e | 661 | |
el14dg | 5:41cb88f47f42 | 662 | } |
el14dg | 5:41cb88f47f42 | 663 | |
el14dg | 5:41cb88f47f42 | 664 | void state_6_screen() |
el14dg | 5:41cb88f47f42 | 665 | { |
el14dg | 5:41cb88f47f42 | 666 | lcd.clear(); |
el14dg | 5:41cb88f47f42 | 667 | |
el14dg | 6:dc1229224d8e | 668 | // print the screen |
el14dg | 6:dc1229224d8e | 669 | |
el14dg | 5:41cb88f47f42 | 670 | lcd.printString("DEACTIVATE",12,1); |
el14dg | 5:41cb88f47f42 | 671 | |
el14dg | 5:41cb88f47f42 | 672 | lcd.printString("Enter Pin",15,2); |
el14dg | 6:dc1229224d8e | 673 | |
el14dg | 5:41cb88f47f42 | 674 | lcd_border(); |
el14dg | 6:dc1229224d8e | 675 | |
el14dg | 5:41cb88f47f42 | 676 | pin_text_box(); |
el14dg | 6:dc1229224d8e | 677 | |
el14dg | 6:dc1229224d8e | 678 | // set the LED and buzzer |
el14dg | 6:dc1229224d8e | 679 | |
el14dg | 5:41cb88f47f42 | 680 | led_alarm = 0; |
el14dg | 6:dc1229224d8e | 681 | |
el14dg | 5:41cb88f47f42 | 682 | buzzer.write(0.0); |
el14dg | 6:dc1229224d8e | 683 | |
el14dg | 6:dc1229224d8e | 684 | // attach ticker |
el14dg | 6:dc1229224d8e | 685 | |
el14dg | 5:41cb88f47f42 | 686 | alerts.attach(&led_buzzer_isr,0.5); |
el14dg | 8:8a3d1c07bdec | 687 | |
el14dg | 8:8a3d1c07bdec | 688 | // detach ticker |
el14dg | 8:8a3d1c07bdec | 689 | |
el14dg | 8:8a3d1c07bdec | 690 | intruder_distance.detach(); |
el14dg | 5:41cb88f47f42 | 691 | lcd.refresh(); |
el14dg | 5:41cb88f47f42 | 692 | |
el14dg | 5:41cb88f47f42 | 693 | } |
el14dg | 5:41cb88f47f42 | 694 | |
el14dg | 5:41cb88f47f42 | 695 | void state_7_screen() |
el14dg | 5:41cb88f47f42 | 696 | { |
el14dg | 5:41cb88f47f42 | 697 | lcd.clear(); |
el14dg | 5:41cb88f47f42 | 698 | |
el14dg | 6:dc1229224d8e | 699 | // print the screen |
el14dg | 6:dc1229224d8e | 700 | |
el14dg | 5:41cb88f47f42 | 701 | lcd.printString("INTRUDER",18,1); |
el14dg | 5:41cb88f47f42 | 702 | |
el14dg | 5:41cb88f47f42 | 703 | lcd.printString("Enter Pin",15,2); |
el14dg | 6:dc1229224d8e | 704 | |
el14dg | 5:41cb88f47f42 | 705 | lcd_border(); |
el14dg | 6:dc1229224d8e | 706 | |
el14dg | 5:41cb88f47f42 | 707 | pin_text_box(); |
el14dg | 6:dc1229224d8e | 708 | |
el14dg | 6:dc1229224d8e | 709 | // set the LED and buzzer |
el14dg | 6:dc1229224d8e | 710 | |
el14dg | 5:41cb88f47f42 | 711 | led_alarm = 0; |
el14dg | 6:dc1229224d8e | 712 | |
el14dg | 5:41cb88f47f42 | 713 | buzzer.write(0.0); |
el14dg | 6:dc1229224d8e | 714 | |
el14dg | 6:dc1229224d8e | 715 | // attach tickers |
el14dg | 6:dc1229224d8e | 716 | |
el14dg | 5:41cb88f47f42 | 717 | alerts.attach(&led_buzzer_isr,0.5); |
el14dg | 6:dc1229224d8e | 718 | |
el14dg | 5:41cb88f47f42 | 719 | pin_timeout.attach(&pin_timeout_isr,1); |
el14dg | 8:8a3d1c07bdec | 720 | |
el14dg | 8:8a3d1c07bdec | 721 | // detach ticker |
el14dg | 8:8a3d1c07bdec | 722 | |
el14dg | 8:8a3d1c07bdec | 723 | intruder_distance.detach(); |
el14dg | 2:e504a3cfe113 | 724 | |
el14dg | 2:e504a3cfe113 | 725 | lcd.refresh(); |
el14dg | 2:e504a3cfe113 | 726 | |
el14dg | 2:e504a3cfe113 | 727 | } |
el14dg | 2:e504a3cfe113 | 728 | |
el14dg | 2:e504a3cfe113 | 729 | void state_8_screen() |
el14dg | 2:e504a3cfe113 | 730 | { |
el14dg | 2:e504a3cfe113 | 731 | lcd.clear(); |
el14dg | 2:e504a3cfe113 | 732 | |
el14dg | 6:dc1229224d8e | 733 | // print the screen |
el14dg | 6:dc1229224d8e | 734 | |
el14dg | 2:e504a3cfe113 | 735 | lcd.printString("ALARM",27,1); |
el14dg | 2:e504a3cfe113 | 736 | |
el14dg | 2:e504a3cfe113 | 737 | lcd.printString("TRIGGERED",15,2); |
el14dg | 6:dc1229224d8e | 738 | |
el14dg | 5:41cb88f47f42 | 739 | lcd.printString("Menu?",27,4); |
el14dg | 6:dc1229224d8e | 740 | |
el14dg | 5:41cb88f47f42 | 741 | lcd_border(); |
el14dg | 6:dc1229224d8e | 742 | |
el14dg | 6:dc1229224d8e | 743 | // set the LED and buzzer |
el14dg | 6:dc1229224d8e | 744 | |
el14dg | 5:41cb88f47f42 | 745 | led_alarm = 0; |
el14dg | 6:dc1229224d8e | 746 | |
el14dg | 5:41cb88f47f42 | 747 | buzzer.write(0.0); |
el14dg | 6:dc1229224d8e | 748 | |
el14dg | 6:dc1229224d8e | 749 | // detach tickers |
el14dg | 6:dc1229224d8e | 750 | |
el14dg | 5:41cb88f47f42 | 751 | alerts.detach(); |
el14dg | 6:dc1229224d8e | 752 | |
el14dg | 5:41cb88f47f42 | 753 | pin_timeout.detach(); |
el14dg | 6:dc1229224d8e | 754 | |
el14dg | 6:dc1229224d8e | 755 | // attach ticker |
el14dg | 6:dc1229224d8e | 756 | |
el14dg | 5:41cb88f47f42 | 757 | alerts.attach(&led_buzzer_isr,0.2); |
el14dg | 2:e504a3cfe113 | 758 | |
el14dg | 2:e504a3cfe113 | 759 | lcd.refresh(); |
el14dg | 2:e504a3cfe113 | 760 | } |
el14dg | 2:e504a3cfe113 | 761 | |
el14dg | 7:8ac5aee0c13e | 762 | void lcd_border() |
el14dg | 7:8ac5aee0c13e | 763 | { |
el14dg | 7:8ac5aee0c13e | 764 | lcd.drawRect(0,0,83,47,0); |
el14dg | 7:8ac5aee0c13e | 765 | |
el14dg | 7:8ac5aee0c13e | 766 | lcd.drawRect(1,1,81,45,0); |
el14dg | 7:8ac5aee0c13e | 767 | |
el14dg | 7:8ac5aee0c13e | 768 | } |
el14dg | 7:8ac5aee0c13e | 769 | |
el14dg | 7:8ac5aee0c13e | 770 | void pin_text_box() |
el14dg | 7:8ac5aee0c13e | 771 | { |
el14dg | 9:a5614f53d435 | 772 | if (g_current_state == 7) { |
el14dg | 9:a5614f53d435 | 773 | |
el14dg | 9:a5614f53d435 | 774 | lcd.drawRect(1,30,15,10,0); // transparent box |
el14dg | 9:a5614f53d435 | 775 | lcd.drawRect(15,30,15,10,0); // transparent box |
el14dg | 9:a5614f53d435 | 776 | lcd.drawRect(29,30,15,10,0); // transparent box |
el14dg | 9:a5614f53d435 | 777 | lcd.drawRect(43,30,15,10,0); // transparent box |
el14dg | 9:a5614f53d435 | 778 | lcd.drawRect(57,30,15,10,0); // transparent box |
el14dg | 9:a5614f53d435 | 779 | lcd.drawRect(71,30,15,10,1); // filled box |
el14dg | 9:a5614f53d435 | 780 | |
el14dg | 9:a5614f53d435 | 781 | } |
el14dg | 9:a5614f53d435 | 782 | |
el14dg | 9:a5614f53d435 | 783 | else { |
el14dg | 9:a5614f53d435 | 784 | |
el14dg | 9:a5614f53d435 | 785 | lcd.drawRect(1,30,15,10,1); // filled box |
el14dg | 9:a5614f53d435 | 786 | lcd.drawRect(15,30,15,10,0); // transparent box |
el14dg | 9:a5614f53d435 | 787 | lcd.drawRect(29,30,15,10,0); // transparent box |
el14dg | 9:a5614f53d435 | 788 | lcd.drawRect(43,30,15,10,0); // transparent box |
el14dg | 9:a5614f53d435 | 789 | lcd.drawRect(57,30,15,10,0); // transparent box |
el14dg | 9:a5614f53d435 | 790 | lcd.drawRect(71,30,15,10,1); // filled box |
el14dg | 9:a5614f53d435 | 791 | |
el14dg | 9:a5614f53d435 | 792 | } |
el14dg | 9:a5614f53d435 | 793 | |
el14dg | 7:8ac5aee0c13e | 794 | } |
el14dg | 7:8ac5aee0c13e | 795 | |
el14dg | 8:8a3d1c07bdec | 796 | void screen_progression() |
el14dg | 8:8a3d1c07bdec | 797 | { |
el14dg | 8:8a3d1c07bdec | 798 | if (g_current_state == 3) { // set new pin state |
el14dg | 8:8a3d1c07bdec | 799 | |
el14dg | 8:8a3d1c07bdec | 800 | if (pin_counter > 3) { // if a four digit pin has been entered |
el14dg | 8:8a3d1c07bdec | 801 | |
el14dg | 8:8a3d1c07bdec | 802 | change_pin(); // save entered_pin to the SD card |
el14dg | 8:8a3d1c07bdec | 803 | |
el14dg | 8:8a3d1c07bdec | 804 | read_pin(); // read the pin from the SD card to the set_pin array |
el14dg | 8:8a3d1c07bdec | 805 | |
el14dg | 8:8a3d1c07bdec | 806 | g_next_state = fsm[g_current_state].nextState[2]; |
el14dg | 8:8a3d1c07bdec | 807 | |
el14dg | 8:8a3d1c07bdec | 808 | } |
el14dg | 8:8a3d1c07bdec | 809 | |
el14dg | 8:8a3d1c07bdec | 810 | else { |
el14dg | 8:8a3d1c07bdec | 811 | |
el14dg | 8:8a3d1c07bdec | 812 | g_next_state = fsm[g_current_state].nextState[3]; |
el14dg | 8:8a3d1c07bdec | 813 | |
el14dg | 8:8a3d1c07bdec | 814 | } |
el14dg | 8:8a3d1c07bdec | 815 | |
el14dg | 8:8a3d1c07bdec | 816 | } |
el14dg | 8:8a3d1c07bdec | 817 | |
el14dg | 8:8a3d1c07bdec | 818 | else { // if the current state is either 2, 6 or 7 |
el14dg | 8:8a3d1c07bdec | 819 | |
el14dg | 8:8a3d1c07bdec | 820 | check_pin(); // sets incorrect_pin_flag to 1 if entered pin doesn't match set_pin |
el14dg | 8:8a3d1c07bdec | 821 | |
el14dg | 8:8a3d1c07bdec | 822 | if (incorrect_pin_flag == 1) { |
el14dg | 8:8a3d1c07bdec | 823 | |
el14dg | 8:8a3d1c07bdec | 824 | incorrect_pin_flag = 0; |
el14dg | 8:8a3d1c07bdec | 825 | |
el14dg | 8:8a3d1c07bdec | 826 | g_next_state = fsm[g_current_state].nextState[3]; // go to previous state or alarm triggered state |
el14dg | 8:8a3d1c07bdec | 827 | |
el14dg | 8:8a3d1c07bdec | 828 | pc.printf("g_next_state = %d\n",g_next_state); |
el14dg | 8:8a3d1c07bdec | 829 | |
el14dg | 8:8a3d1c07bdec | 830 | } |
el14dg | 8:8a3d1c07bdec | 831 | |
el14dg | 8:8a3d1c07bdec | 832 | else { |
el14dg | 8:8a3d1c07bdec | 833 | |
el14dg | 8:8a3d1c07bdec | 834 | g_next_state = fsm[g_current_state].nextState[2]; // proceed |
el14dg | 8:8a3d1c07bdec | 835 | |
el14dg | 8:8a3d1c07bdec | 836 | pc.printf("g_next_state = %d\n",g_next_state); |
el14dg | 8:8a3d1c07bdec | 837 | |
el14dg | 8:8a3d1c07bdec | 838 | } |
el14dg | 8:8a3d1c07bdec | 839 | |
el14dg | 8:8a3d1c07bdec | 840 | } |
el14dg | 8:8a3d1c07bdec | 841 | |
el14dg | 8:8a3d1c07bdec | 842 | } |
el14dg | 8:8a3d1c07bdec | 843 | |
el14dg | 2:e504a3cfe113 | 844 | void screen_selection() |
el14dg | 2:e504a3cfe113 | 845 | { |
el14dg | 6:dc1229224d8e | 846 | |
el14dg | 6:dc1229224d8e | 847 | reset_entered_pin(); // re-set each element of the entered pin array to -1 |
el14dg | 3:70a7b64fbd98 | 848 | |
el14dg | 3:70a7b64fbd98 | 849 | if (g_next_state == 0) { |
el14dg | 2:e504a3cfe113 | 850 | |
el14dg | 2:e504a3cfe113 | 851 | state_0_screen(); |
el14dg | 2:e504a3cfe113 | 852 | |
el14dg | 2:e504a3cfe113 | 853 | } |
el14dg | 3:70a7b64fbd98 | 854 | |
el14dg | 3:70a7b64fbd98 | 855 | else if (g_next_state == 1) { |
el14dg | 2:e504a3cfe113 | 856 | |
el14dg | 2:e504a3cfe113 | 857 | state_1_screen(); |
el14dg | 2:e504a3cfe113 | 858 | |
el14dg | 2:e504a3cfe113 | 859 | } |
el14dg | 2:e504a3cfe113 | 860 | |
el14dg | 3:70a7b64fbd98 | 861 | else if (g_next_state == 2) { |
el14dg | 2:e504a3cfe113 | 862 | |
el14dg | 5:41cb88f47f42 | 863 | state_2_screen(); |
el14dg | 2:e504a3cfe113 | 864 | |
el14dg | 2:e504a3cfe113 | 865 | } |
el14dg | 2:e504a3cfe113 | 866 | |
el14dg | 3:70a7b64fbd98 | 867 | else if (g_next_state == 3) { |
el14dg | 2:e504a3cfe113 | 868 | |
el14dg | 3:70a7b64fbd98 | 869 | state_3_screen(); |
el14dg | 2:e504a3cfe113 | 870 | |
el14dg | 2:e504a3cfe113 | 871 | } |
el14dg | 2:e504a3cfe113 | 872 | |
el14dg | 3:70a7b64fbd98 | 873 | else if (g_next_state == 4) { |
el14dg | 2:e504a3cfe113 | 874 | |
el14dg | 2:e504a3cfe113 | 875 | state_4_screen(); |
el14dg | 2:e504a3cfe113 | 876 | |
el14dg | 2:e504a3cfe113 | 877 | } |
el14dg | 2:e504a3cfe113 | 878 | |
el14dg | 3:70a7b64fbd98 | 879 | else if (g_next_state == 5) { |
el14dg | 2:e504a3cfe113 | 880 | |
el14dg | 2:e504a3cfe113 | 881 | state_5_screen(); |
el14dg | 2:e504a3cfe113 | 882 | |
el14dg | 2:e504a3cfe113 | 883 | } |
el14dg | 2:e504a3cfe113 | 884 | |
el14dg | 3:70a7b64fbd98 | 885 | else if (g_next_state == 6) { |
el14dg | 2:e504a3cfe113 | 886 | |
el14dg | 5:41cb88f47f42 | 887 | state_6_screen(); |
el14dg | 2:e504a3cfe113 | 888 | |
el14dg | 2:e504a3cfe113 | 889 | } |
el14dg | 2:e504a3cfe113 | 890 | |
el14dg | 3:70a7b64fbd98 | 891 | else if (g_next_state == 7) { |
el14dg | 2:e504a3cfe113 | 892 | |
el14dg | 5:41cb88f47f42 | 893 | state_7_screen(); |
el14dg | 2:e504a3cfe113 | 894 | |
el14dg | 2:e504a3cfe113 | 895 | } |
el14dg | 2:e504a3cfe113 | 896 | |
el14dg | 2:e504a3cfe113 | 897 | else { |
el14dg | 2:e504a3cfe113 | 898 | |
el14dg | 2:e504a3cfe113 | 899 | state_8_screen(); |
el14dg | 2:e504a3cfe113 | 900 | |
el14dg | 2:e504a3cfe113 | 901 | } |
el14dg | 6:dc1229224d8e | 902 | |
el14dg | 2:e504a3cfe113 | 903 | } |
el14dg | 3:70a7b64fbd98 | 904 | |
el14dg | 7:8ac5aee0c13e | 905 | // Screen Animation Functions |
el14dg | 7:8ac5aee0c13e | 906 | |
el14dg | 7:8ac5aee0c13e | 907 | void setting_animation() |
el14dg | 7:8ac5aee0c13e | 908 | { |
el14dg | 7:8ac5aee0c13e | 909 | setting_alarm_counter = setting_alarm_counter + 5; // increment setting_alarm_counter in steps of five |
el14dg | 7:8ac5aee0c13e | 910 | |
el14dg | 7:8ac5aee0c13e | 911 | if (setting_alarm_counter < 101) { |
el14dg | 7:8ac5aee0c13e | 912 | |
el14dg | 7:8ac5aee0c13e | 913 | lcd.drawRect(0,20,setting_alarm_counter,5,1); // prints the loading bar to the LCD |
el14dg | 7:8ac5aee0c13e | 914 | |
el14dg | 7:8ac5aee0c13e | 915 | // format how the percentage is displayed depending on its value |
el14dg | 7:8ac5aee0c13e | 916 | if (setting_alarm_counter < 10) { |
el14dg | 7:8ac5aee0c13e | 917 | |
el14dg | 7:8ac5aee0c13e | 918 | length = sprintf(buffer,"0%d%%",setting_alarm_counter); |
el14dg | 7:8ac5aee0c13e | 919 | |
el14dg | 7:8ac5aee0c13e | 920 | } |
el14dg | 7:8ac5aee0c13e | 921 | |
el14dg | 7:8ac5aee0c13e | 922 | else { |
el14dg | 7:8ac5aee0c13e | 923 | |
el14dg | 7:8ac5aee0c13e | 924 | length = sprintf(buffer,"%d%%",setting_alarm_counter); |
el14dg | 7:8ac5aee0c13e | 925 | |
el14dg | 7:8ac5aee0c13e | 926 | } |
el14dg | 7:8ac5aee0c13e | 927 | |
el14dg | 7:8ac5aee0c13e | 928 | if (length <= 14) { // if length of string will fit on the screen ( WIDTH = 6 * 24 = 84 pixels ) |
el14dg | 7:8ac5aee0c13e | 929 | |
el14dg | 7:8ac5aee0c13e | 930 | if (setting_alarm_counter < 100) { |
el14dg | 7:8ac5aee0c13e | 931 | |
el14dg | 7:8ac5aee0c13e | 932 | lcd.printString(buffer,33,4); |
el14dg | 7:8ac5aee0c13e | 933 | |
el14dg | 7:8ac5aee0c13e | 934 | } |
el14dg | 7:8ac5aee0c13e | 935 | |
el14dg | 7:8ac5aee0c13e | 936 | else { |
el14dg | 7:8ac5aee0c13e | 937 | |
el14dg | 7:8ac5aee0c13e | 938 | lcd.printString(buffer,30,4); // this string is four characters long and is therefore shifted to the left of the screen |
el14dg | 7:8ac5aee0c13e | 939 | |
el14dg | 7:8ac5aee0c13e | 940 | } |
el14dg | 7:8ac5aee0c13e | 941 | |
el14dg | 7:8ac5aee0c13e | 942 | } |
el14dg | 7:8ac5aee0c13e | 943 | |
el14dg | 7:8ac5aee0c13e | 944 | lcd.refresh(); // refresh screen |
el14dg | 7:8ac5aee0c13e | 945 | |
el14dg | 7:8ac5aee0c13e | 946 | } |
el14dg | 7:8ac5aee0c13e | 947 | } |
el14dg | 7:8ac5aee0c13e | 948 | |
el14dg | 7:8ac5aee0c13e | 949 | void timeout_protocol() |
el14dg | 7:8ac5aee0c13e | 950 | { |
el14dg | 7:8ac5aee0c13e | 951 | |
el14dg | 7:8ac5aee0c13e | 952 | pin_timeout_counter++; |
el14dg | 7:8ac5aee0c13e | 953 | |
el14dg | 7:8ac5aee0c13e | 954 | seconds_till_timeout = 21 - pin_timeout_counter; // timeout counts down from 20 |
el14dg | 7:8ac5aee0c13e | 955 | |
el14dg | 7:8ac5aee0c13e | 956 | if (seconds_till_timeout == 0) { // if 20 seconds passes |
el14dg | 7:8ac5aee0c13e | 957 | |
el14dg | 7:8ac5aee0c13e | 958 | g_next_state = 8; |
el14dg | 7:8ac5aee0c13e | 959 | |
el14dg | 7:8ac5aee0c13e | 960 | pin_timeout_counter = 0; |
el14dg | 7:8ac5aee0c13e | 961 | |
el14dg | 7:8ac5aee0c13e | 962 | } |
el14dg | 7:8ac5aee0c13e | 963 | |
el14dg | 7:8ac5aee0c13e | 964 | else { // less than 20 seconds has passed |
el14dg | 7:8ac5aee0c13e | 965 | |
el14dg | 7:8ac5aee0c13e | 966 | // These if statements manage the formatting of the number of seconds remaining |
el14dg | 7:8ac5aee0c13e | 967 | |
el14dg | 7:8ac5aee0c13e | 968 | if (seconds_till_timeout >= 10) { |
el14dg | 7:8ac5aee0c13e | 969 | |
el14dg | 7:8ac5aee0c13e | 970 | length = sprintf(buffer,"%d",seconds_till_timeout); |
el14dg | 7:8ac5aee0c13e | 971 | |
el14dg | 7:8ac5aee0c13e | 972 | } |
el14dg | 7:8ac5aee0c13e | 973 | |
el14dg | 7:8ac5aee0c13e | 974 | else { |
el14dg | 7:8ac5aee0c13e | 975 | |
el14dg | 7:8ac5aee0c13e | 976 | length = sprintf(buffer,"0%d",seconds_till_timeout); |
el14dg | 7:8ac5aee0c13e | 977 | |
el14dg | 7:8ac5aee0c13e | 978 | } |
el14dg | 7:8ac5aee0c13e | 979 | |
el14dg | 7:8ac5aee0c13e | 980 | // if the length of the formatted string will fit on the screen print it ( WIDTH = 14 * 6 = 84 pixels ) |
el14dg | 7:8ac5aee0c13e | 981 | |
el14dg | 7:8ac5aee0c13e | 982 | if (length <= 14) |
el14dg | 7:8ac5aee0c13e | 983 | lcd.printString(buffer,3,4); |
el14dg | 7:8ac5aee0c13e | 984 | |
el14dg | 7:8ac5aee0c13e | 985 | lcd.refresh(); |
el14dg | 7:8ac5aee0c13e | 986 | |
el14dg | 7:8ac5aee0c13e | 987 | } |
el14dg | 7:8ac5aee0c13e | 988 | |
el14dg | 7:8ac5aee0c13e | 989 | } |
el14dg | 7:8ac5aee0c13e | 990 | |
el14dg | 7:8ac5aee0c13e | 991 | // Read Distance Functions |
el14dg | 7:8ac5aee0c13e | 992 | |
el14dg | 7:8ac5aee0c13e | 993 | void get_setting_distance() |
el14dg | 7:8ac5aee0c13e | 994 | { |
el14dg | 7:8ac5aee0c13e | 995 | distance[setting_distance_counter] = srf02.getDistanceCm(); // distance array stores 10 distance readings |
el14dg | 7:8ac5aee0c13e | 996 | |
el14dg | 7:8ac5aee0c13e | 997 | setting_distance_counter++; |
el14dg | 7:8ac5aee0c13e | 998 | |
el14dg | 7:8ac5aee0c13e | 999 | if (setting_distance_counter == 10) { // if distance array has 10 new readings (arrays are zero indexed) |
el14dg | 7:8ac5aee0c13e | 1000 | |
el14dg | 7:8ac5aee0c13e | 1001 | setting_distance.detach(); |
el14dg | 7:8ac5aee0c13e | 1002 | |
el14dg | 7:8ac5aee0c13e | 1003 | calculate_setting_distance(); // find the average of the 10 distance readings |
el14dg | 7:8ac5aee0c13e | 1004 | |
el14dg | 7:8ac5aee0c13e | 1005 | } |
el14dg | 7:8ac5aee0c13e | 1006 | |
el14dg | 7:8ac5aee0c13e | 1007 | } |
el14dg | 7:8ac5aee0c13e | 1008 | |
el14dg | 7:8ac5aee0c13e | 1009 | void get_intruder_distance() |
el14dg | 7:8ac5aee0c13e | 1010 | { |
el14dg | 7:8ac5aee0c13e | 1011 | |
el14dg | 7:8ac5aee0c13e | 1012 | distance[intruder_distance_counter] = srf02.getDistanceCm(); // distance array stores 10 distance readings |
el14dg | 7:8ac5aee0c13e | 1013 | |
el14dg | 7:8ac5aee0c13e | 1014 | intruder_distance_counter++; |
el14dg | 7:8ac5aee0c13e | 1015 | |
el14dg | 7:8ac5aee0c13e | 1016 | if (intruder_distance_counter == 10) { // if distance array has 10 new readings (arrays are zero indexed) |
el14dg | 7:8ac5aee0c13e | 1017 | |
el14dg | 7:8ac5aee0c13e | 1018 | intruder_distance.detach(); |
el14dg | 7:8ac5aee0c13e | 1019 | |
el14dg | 7:8ac5aee0c13e | 1020 | calculate_intruder_distance(); // find the average of the 10 distance readings |
el14dg | 7:8ac5aee0c13e | 1021 | |
el14dg | 7:8ac5aee0c13e | 1022 | } |
el14dg | 7:8ac5aee0c13e | 1023 | |
el14dg | 7:8ac5aee0c13e | 1024 | } |
el14dg | 7:8ac5aee0c13e | 1025 | |
el14dg | 7:8ac5aee0c13e | 1026 | void calculate_setting_distance() |
el14dg | 7:8ac5aee0c13e | 1027 | { |
el14dg | 7:8ac5aee0c13e | 1028 | |
el14dg | 7:8ac5aee0c13e | 1029 | for (int i = 0; i < 10; i++) { |
el14dg | 7:8ac5aee0c13e | 1030 | |
el14dg | 7:8ac5aee0c13e | 1031 | one_second_distance = one_second_distance + distance[i]; // add all 10 readings together |
el14dg | 7:8ac5aee0c13e | 1032 | |
el14dg | 7:8ac5aee0c13e | 1033 | } |
el14dg | 7:8ac5aee0c13e | 1034 | |
el14dg | 7:8ac5aee0c13e | 1035 | initial_setting_distance = (one_second_distance / 10); |
el14dg | 7:8ac5aee0c13e | 1036 | |
el14dg | 7:8ac5aee0c13e | 1037 | pc.printf("Initial Setting Distance = %.2f cm\n",initial_setting_distance); |
el14dg | 7:8ac5aee0c13e | 1038 | |
el14dg | 7:8ac5aee0c13e | 1039 | setting_distance_counter = 0; |
el14dg | 7:8ac5aee0c13e | 1040 | |
el14dg | 7:8ac5aee0c13e | 1041 | one_second_distance = 0; |
el14dg | 7:8ac5aee0c13e | 1042 | |
el14dg | 7:8ac5aee0c13e | 1043 | transition.attach(&screen_5_transition,5); // transition to the set screen in five seconds |
el14dg | 7:8ac5aee0c13e | 1044 | |
el14dg | 7:8ac5aee0c13e | 1045 | } |
el14dg | 7:8ac5aee0c13e | 1046 | |
el14dg | 7:8ac5aee0c13e | 1047 | void calculate_intruder_distance() |
el14dg | 7:8ac5aee0c13e | 1048 | { |
el14dg | 7:8ac5aee0c13e | 1049 | |
el14dg | 7:8ac5aee0c13e | 1050 | for (int i = 0; i < 10; i++) { |
el14dg | 7:8ac5aee0c13e | 1051 | |
el14dg | 7:8ac5aee0c13e | 1052 | one_second_distance = one_second_distance + distance[i]; // add all 10 distance readings together |
el14dg | 7:8ac5aee0c13e | 1053 | |
el14dg | 7:8ac5aee0c13e | 1054 | } |
el14dg | 7:8ac5aee0c13e | 1055 | |
el14dg | 7:8ac5aee0c13e | 1056 | one_second_avg_distance = one_second_distance / 10; |
el14dg | 7:8ac5aee0c13e | 1057 | |
el14dg | 7:8ac5aee0c13e | 1058 | pc.printf("Intruder Distance = %.2f cm\n",one_second_avg_distance); |
el14dg | 7:8ac5aee0c13e | 1059 | |
el14dg | 7:8ac5aee0c13e | 1060 | intruder_distance_counter = 0; |
el14dg | 7:8ac5aee0c13e | 1061 | |
el14dg | 7:8ac5aee0c13e | 1062 | one_second_distance = 0; |
el14dg | 7:8ac5aee0c13e | 1063 | |
el14dg | 7:8ac5aee0c13e | 1064 | |
el14dg | 7:8ac5aee0c13e | 1065 | if (one_second_avg_distance > (1.1*initial_setting_distance)) { // if the current average distance is 10% greater than the initial_setting_distance set off the alarm |
el14dg | 7:8ac5aee0c13e | 1066 | |
el14dg | 7:8ac5aee0c13e | 1067 | g_next_state = 7; |
el14dg | 7:8ac5aee0c13e | 1068 | |
el14dg | 7:8ac5aee0c13e | 1069 | g_current_state = 7; |
el14dg | 7:8ac5aee0c13e | 1070 | |
el14dg | 7:8ac5aee0c13e | 1071 | screen_selection(); |
el14dg | 7:8ac5aee0c13e | 1072 | |
el14dg | 7:8ac5aee0c13e | 1073 | } |
el14dg | 7:8ac5aee0c13e | 1074 | |
el14dg | 7:8ac5aee0c13e | 1075 | else if (one_second_avg_distance < (0.9 * initial_setting_distance)) { // if the current average distance is 10% smaller than the initial_setting_distance set off the alarm |
el14dg | 7:8ac5aee0c13e | 1076 | |
el14dg | 7:8ac5aee0c13e | 1077 | g_next_state = 7; |
el14dg | 7:8ac5aee0c13e | 1078 | |
el14dg | 7:8ac5aee0c13e | 1079 | g_current_state = 7; |
el14dg | 7:8ac5aee0c13e | 1080 | |
el14dg | 7:8ac5aee0c13e | 1081 | screen_selection(); |
el14dg | 7:8ac5aee0c13e | 1082 | |
el14dg | 7:8ac5aee0c13e | 1083 | } |
el14dg | 7:8ac5aee0c13e | 1084 | |
el14dg | 7:8ac5aee0c13e | 1085 | else { // if the current distance is within 10% of the initial_setting_distance carry on reading distance |
el14dg | 7:8ac5aee0c13e | 1086 | |
el14dg | 7:8ac5aee0c13e | 1087 | intruder_distance.attach(&intruder_distance_isr,0.1); |
el14dg | 7:8ac5aee0c13e | 1088 | |
el14dg | 7:8ac5aee0c13e | 1089 | } |
el14dg | 8:8a3d1c07bdec | 1090 | |
el14dg | 7:8ac5aee0c13e | 1091 | } |
el14dg | 7:8ac5aee0c13e | 1092 | |
el14dg | 7:8ac5aee0c13e | 1093 | // Timeout Functions |
el14dg | 7:8ac5aee0c13e | 1094 | |
el14dg | 3:70a7b64fbd98 | 1095 | void screen_5_transition() |
el14dg | 3:70a7b64fbd98 | 1096 | { |
el14dg | 4:9cac024c057c | 1097 | g_next_state = 5; |
el14dg | 8:8a3d1c07bdec | 1098 | |
el14dg | 8:8a3d1c07bdec | 1099 | accelerometer.detach(); |
el14dg | 6:dc1229224d8e | 1100 | |
el14dg | 6:dc1229224d8e | 1101 | screen_selection(); // sets the LCD to screen 5 |
el14dg | 3:70a7b64fbd98 | 1102 | |
el14dg | 3:70a7b64fbd98 | 1103 | g_current_state = 5; |
el14dg | 6:dc1229224d8e | 1104 | |
el14dg | 3:70a7b64fbd98 | 1105 | } |
el14dg | 3:70a7b64fbd98 | 1106 | |
el14dg | 6:dc1229224d8e | 1107 | void pin_confirm() |
el14dg | 6:dc1229224d8e | 1108 | { |
el14dg | 6:dc1229224d8e | 1109 | lcd.clear(); |
el14dg | 6:dc1229224d8e | 1110 | |
el14dg | 6:dc1229224d8e | 1111 | lcd_border(); |
el14dg | 6:dc1229224d8e | 1112 | |
el14dg | 6:dc1229224d8e | 1113 | lcd.printString("Press C",24,1); |
el14dg | 6:dc1229224d8e | 1114 | |
el14dg | 6:dc1229224d8e | 1115 | lcd.printString("to",36,2); |
el14dg | 6:dc1229224d8e | 1116 | |
el14dg | 6:dc1229224d8e | 1117 | lcd.printString("Confirm",24,3); |
el14dg | 8:8a3d1c07bdec | 1118 | |
el14dg | 7:8ac5aee0c13e | 1119 | if (g_current_state == 7) { |
el14dg | 8:8a3d1c07bdec | 1120 | |
el14dg | 7:8ac5aee0c13e | 1121 | lcd.drawRect(1,30,15,10,0); |
el14dg | 8:8a3d1c07bdec | 1122 | |
el14dg | 8:8a3d1c07bdec | 1123 | } |
el14dg | 6:dc1229224d8e | 1124 | |
el14dg | 6:dc1229224d8e | 1125 | lcd.refresh(); |
el14dg | 6:dc1229224d8e | 1126 | |
el14dg | 6:dc1229224d8e | 1127 | } |
el14dg | 5:41cb88f47f42 | 1128 | |
el14dg | 9:a5614f53d435 | 1129 | void state_1_transition() |
el14dg | 8:8a3d1c07bdec | 1130 | { |
el14dg | 8:8a3d1c07bdec | 1131 | g_next_state = 1; |
el14dg | 8:8a3d1c07bdec | 1132 | |
el14dg | 8:8a3d1c07bdec | 1133 | screen_selection(); |
el14dg | 8:8a3d1c07bdec | 1134 | |
el14dg | 8:8a3d1c07bdec | 1135 | g_current_state = 1; |
el14dg | 9:a5614f53d435 | 1136 | |
el14dg | 9:a5614f53d435 | 1137 | alerts.detach(); |
el14dg | 8:8a3d1c07bdec | 1138 | |
el14dg | 8:8a3d1c07bdec | 1139 | } |
el14dg | 8:8a3d1c07bdec | 1140 | |
el14dg | 8:8a3d1c07bdec | 1141 | void alarm_setting_buzz() |
el14dg | 8:8a3d1c07bdec | 1142 | { |
el14dg | 8:8a3d1c07bdec | 1143 | |
el14dg | 8:8a3d1c07bdec | 1144 | buzzer.write(0.0); // turn off buzzer |
el14dg | 8:8a3d1c07bdec | 1145 | |
el14dg | 8:8a3d1c07bdec | 1146 | } |
el14dg | 8:8a3d1c07bdec | 1147 | |
el14dg | 8:8a3d1c07bdec | 1148 | // Accelerometer Function |
el14dg | 8:8a3d1c07bdec | 1149 | |
el14dg | 8:8a3d1c07bdec | 1150 | void get_axis_data() |
el14dg | 8:8a3d1c07bdec | 1151 | { |
el14dg | 8:8a3d1c07bdec | 1152 | |
el14dg | 8:8a3d1c07bdec | 1153 | acc.getX(acc_X); |
el14dg | 8:8a3d1c07bdec | 1154 | acc.getY(acc_Y); |
el14dg | 8:8a3d1c07bdec | 1155 | acc.getZ(acc_Z); |
el14dg | 8:8a3d1c07bdec | 1156 | |
el14dg | 8:8a3d1c07bdec | 1157 | } |
el14dg | 8:8a3d1c07bdec | 1158 | |
el14dg | 8:8a3d1c07bdec | 1159 | void compare_axis_data() |
el14dg | 8:8a3d1c07bdec | 1160 | { |
el14dg | 8:8a3d1c07bdec | 1161 | get_axis_data(); |
el14dg | 8:8a3d1c07bdec | 1162 | |
el14dg | 8:8a3d1c07bdec | 1163 | pc.printf("X1 = %.4f \nY1 = %.4f \nZ1 = %.4f \n",acc_X,acc_Y,acc_Z); |
el14dg | 8:8a3d1c07bdec | 1164 | |
el14dg | 9:a5614f53d435 | 1165 | if (abs(acc_X) < 0.2f*abs(setting_acc_X)) { // Uses abs() due to possibility of axis dat being negative |
el14dg | 8:8a3d1c07bdec | 1166 | |
el14dg | 8:8a3d1c07bdec | 1167 | device_tampered_protocol(); |
el14dg | 8:8a3d1c07bdec | 1168 | |
el14dg | 8:8a3d1c07bdec | 1169 | pc.printf("acc_X < setting_acc_X\n"); |
el14dg | 8:8a3d1c07bdec | 1170 | |
el14dg | 8:8a3d1c07bdec | 1171 | } |
el14dg | 8:8a3d1c07bdec | 1172 | |
el14dg | 9:a5614f53d435 | 1173 | else if (abs(acc_X) > 5.0f*abs(setting_acc_X)) { // Uses abs() due to possibility of axis dat being negative |
el14dg | 8:8a3d1c07bdec | 1174 | |
el14dg | 8:8a3d1c07bdec | 1175 | device_tampered_protocol(); |
el14dg | 8:8a3d1c07bdec | 1176 | |
el14dg | 8:8a3d1c07bdec | 1177 | pc.printf("acc_X > setting_acc_X\n"); |
el14dg | 8:8a3d1c07bdec | 1178 | |
el14dg | 8:8a3d1c07bdec | 1179 | } |
el14dg | 8:8a3d1c07bdec | 1180 | |
el14dg | 9:a5614f53d435 | 1181 | else if (abs(acc_Y) < 0.2f*abs(setting_acc_Y)) { // Uses abs() due to possibility of axis dat being negative |
el14dg | 8:8a3d1c07bdec | 1182 | |
el14dg | 8:8a3d1c07bdec | 1183 | device_tampered_protocol(); |
el14dg | 8:8a3d1c07bdec | 1184 | |
el14dg | 8:8a3d1c07bdec | 1185 | pc.printf("acc_Y < setting_acc_Y\n"); |
el14dg | 8:8a3d1c07bdec | 1186 | |
el14dg | 8:8a3d1c07bdec | 1187 | } |
el14dg | 8:8a3d1c07bdec | 1188 | |
el14dg | 9:a5614f53d435 | 1189 | else if (abs(acc_Y) > 5.0f*abs(setting_acc_Y)) { // Uses abs() due to possibility of axis dat being negative |
el14dg | 8:8a3d1c07bdec | 1190 | |
el14dg | 8:8a3d1c07bdec | 1191 | device_tampered_protocol(); |
el14dg | 8:8a3d1c07bdec | 1192 | |
el14dg | 8:8a3d1c07bdec | 1193 | pc.printf("acc_Y > setting_acc_Y\n"); |
el14dg | 8:8a3d1c07bdec | 1194 | |
el14dg | 8:8a3d1c07bdec | 1195 | } |
el14dg | 8:8a3d1c07bdec | 1196 | |
el14dg | 9:a5614f53d435 | 1197 | else if (abs(acc_Z) < 0.2f*abs(setting_acc_Z)) { // Uses abs() due to possibility of axis dat being negative |
el14dg | 8:8a3d1c07bdec | 1198 | |
el14dg | 8:8a3d1c07bdec | 1199 | device_tampered_protocol(); |
el14dg | 8:8a3d1c07bdec | 1200 | |
el14dg | 8:8a3d1c07bdec | 1201 | pc.printf("acc_Z < setting_acc_Z\n"); |
el14dg | 8:8a3d1c07bdec | 1202 | |
el14dg | 8:8a3d1c07bdec | 1203 | } |
el14dg | 8:8a3d1c07bdec | 1204 | |
el14dg | 9:a5614f53d435 | 1205 | else if (abs(acc_Z) > 5.0f*abs(setting_acc_Z)) { // Uses abs() due to possibility of axis dat being negative |
el14dg | 8:8a3d1c07bdec | 1206 | |
el14dg | 8:8a3d1c07bdec | 1207 | device_tampered_protocol(); |
el14dg | 8:8a3d1c07bdec | 1208 | |
el14dg | 8:8a3d1c07bdec | 1209 | pc.printf("acc_Z > setting_acc_Z\n"); |
el14dg | 8:8a3d1c07bdec | 1210 | |
el14dg | 8:8a3d1c07bdec | 1211 | } |
el14dg | 8:8a3d1c07bdec | 1212 | |
el14dg | 8:8a3d1c07bdec | 1213 | else { |
el14dg | 8:8a3d1c07bdec | 1214 | |
el14dg | 9:a5614f53d435 | 1215 | // Do nothing |
el14dg | 9:a5614f53d435 | 1216 | |
el14dg | 8:8a3d1c07bdec | 1217 | } |
el14dg | 8:8a3d1c07bdec | 1218 | |
el14dg | 8:8a3d1c07bdec | 1219 | } |
el14dg | 8:8a3d1c07bdec | 1220 | |
el14dg | 8:8a3d1c07bdec | 1221 | void device_tampered_protocol() |
el14dg | 8:8a3d1c07bdec | 1222 | { |
el14dg | 9:a5614f53d435 | 1223 | setting_distance.detach(); // stop reading distance |
el14dg | 8:8a3d1c07bdec | 1224 | |
el14dg | 9:a5614f53d435 | 1225 | setting_screen.detach(); // stop setting screen animation |
el14dg | 8:8a3d1c07bdec | 1226 | |
el14dg | 9:a5614f53d435 | 1227 | accelerometer.detach(); // stop taking readings from the accelerometer |
el14dg | 8:8a3d1c07bdec | 1228 | |
el14dg | 9:a5614f53d435 | 1229 | transition.detach(); // cancel scheduled transition to state 5 |
el14dg | 9:a5614f53d435 | 1230 | |
el14dg | 9:a5614f53d435 | 1231 | alerts.detach(); // turn off LED and Buzzer |
el14dg | 8:8a3d1c07bdec | 1232 | |
el14dg | 8:8a3d1c07bdec | 1233 | lcd.clear(); |
el14dg | 8:8a3d1c07bdec | 1234 | |
el14dg | 8:8a3d1c07bdec | 1235 | lcd.printString("DEVICE MOVED",6,1); |
el14dg | 8:8a3d1c07bdec | 1236 | |
el14dg | 8:8a3d1c07bdec | 1237 | lcd.printString("SETTING",21,3); |
el14dg | 8:8a3d1c07bdec | 1238 | |
el14dg | 8:8a3d1c07bdec | 1239 | lcd.printString("INCOMPLETE",12,4); |
el14dg | 8:8a3d1c07bdec | 1240 | |
el14dg | 8:8a3d1c07bdec | 1241 | lcd_border(); |
el14dg | 8:8a3d1c07bdec | 1242 | |
el14dg | 8:8a3d1c07bdec | 1243 | lcd.refresh(); |
el14dg | 9:a5614f53d435 | 1244 | |
el14dg | 9:a5614f53d435 | 1245 | alerts.attach(&led_buzzer_isr,0.35); |
el14dg | 9:a5614f53d435 | 1246 | |
el14dg | 9:a5614f53d435 | 1247 | tamper_transition.attach(&state_1_transition,3); // transition to state 1 due to the device been tampered with whilst setting |
el14dg | 8:8a3d1c07bdec | 1248 | |
el14dg | 8:8a3d1c07bdec | 1249 | } |
el14dg | 8:8a3d1c07bdec | 1250 | |
el14dg | 8:8a3d1c07bdec | 1251 | // Pin Functions |
el14dg | 8:8a3d1c07bdec | 1252 | |
el14dg | 4:9cac024c057c | 1253 | void enter_pin() |
el14dg | 4:9cac024c057c | 1254 | { |
el14dg | 6:dc1229224d8e | 1255 | |
el14dg | 6:dc1229224d8e | 1256 | // current value of the pin_counter determines where '*' is printed |
el14dg | 6:dc1229224d8e | 1257 | |
el14dg | 4:9cac024c057c | 1258 | if (pin_counter == 1) { |
el14dg | 6:dc1229224d8e | 1259 | |
el14dg | 5:41cb88f47f42 | 1260 | lcd.printString("*",20,4); |
el14dg | 6:dc1229224d8e | 1261 | |
el14dg | 4:9cac024c057c | 1262 | } |
el14dg | 6:dc1229224d8e | 1263 | |
el14dg | 4:9cac024c057c | 1264 | else if (pin_counter == 2) { |
el14dg | 6:dc1229224d8e | 1265 | |
el14dg | 4:9cac024c057c | 1266 | lcd.printString("*",34,4); |
el14dg | 6:dc1229224d8e | 1267 | |
el14dg | 4:9cac024c057c | 1268 | } |
el14dg | 6:dc1229224d8e | 1269 | |
el14dg | 4:9cac024c057c | 1270 | else if (pin_counter == 3) { |
el14dg | 6:dc1229224d8e | 1271 | |
el14dg | 5:41cb88f47f42 | 1272 | lcd.printString("*",48,4); |
el14dg | 6:dc1229224d8e | 1273 | |
el14dg | 4:9cac024c057c | 1274 | } |
el14dg | 6:dc1229224d8e | 1275 | |
el14dg | 4:9cac024c057c | 1276 | else if (pin_counter == 4) { |
el14dg | 6:dc1229224d8e | 1277 | |
el14dg | 5:41cb88f47f42 | 1278 | lcd.printString("*",62,4); |
el14dg | 6:dc1229224d8e | 1279 | |
el14dg | 6:dc1229224d8e | 1280 | confirm.attach(&pin_confirm,0.5); // 'Press C to Confirm' screen |
el14dg | 6:dc1229224d8e | 1281 | |
el14dg | 6:dc1229224d8e | 1282 | } |
el14dg | 6:dc1229224d8e | 1283 | |
el14dg | 6:dc1229224d8e | 1284 | } |
el14dg | 4:9cac024c057c | 1285 | |
el14dg | 7:8ac5aee0c13e | 1286 | void reset_entered_pin() |
el14dg | 7:8ac5aee0c13e | 1287 | { |
el14dg | 7:8ac5aee0c13e | 1288 | for (int i = 0; i < 4; i++) { |
el14dg | 7:8ac5aee0c13e | 1289 | |
el14dg | 9:a5614f53d435 | 1290 | entered_pin[i] = -1; // sets each element of entered_pin to -1 |
el14dg | 7:8ac5aee0c13e | 1291 | |
el14dg | 7:8ac5aee0c13e | 1292 | } |
el14dg | 7:8ac5aee0c13e | 1293 | |
el14dg | 7:8ac5aee0c13e | 1294 | pin_counter = 0; |
el14dg | 7:8ac5aee0c13e | 1295 | |
el14dg | 7:8ac5aee0c13e | 1296 | } |
el14dg | 7:8ac5aee0c13e | 1297 | |
el14dg | 4:9cac024c057c | 1298 | void check_pin() |
el14dg | 4:9cac024c057c | 1299 | { |
el14dg | 4:9cac024c057c | 1300 | for (int i = 0; i < 4; i++) { |
el14dg | 6:dc1229224d8e | 1301 | |
el14dg | 6:dc1229224d8e | 1302 | if (entered_pin[i] != set_pin[i]) { // if any element of entered_pin doesn't match set_pin |
el14dg | 6:dc1229224d8e | 1303 | |
el14dg | 4:9cac024c057c | 1304 | pc.printf("entered pin doesn't match set pin..."); |
el14dg | 6:dc1229224d8e | 1305 | |
el14dg | 4:9cac024c057c | 1306 | incorrect_pin_flag = 1; |
el14dg | 6:dc1229224d8e | 1307 | |
el14dg | 4:9cac024c057c | 1308 | break; |
el14dg | 6:dc1229224d8e | 1309 | |
el14dg | 4:9cac024c057c | 1310 | } |
el14dg | 6:dc1229224d8e | 1311 | |
el14dg | 4:9cac024c057c | 1312 | } |
el14dg | 6:dc1229224d8e | 1313 | |
el14dg | 5:41cb88f47f42 | 1314 | } |
el14dg | 5:41cb88f47f42 | 1315 | |
el14dg | 3:70a7b64fbd98 | 1316 | void change_pin() |
el14dg | 3:70a7b64fbd98 | 1317 | { |
el14dg | 3:70a7b64fbd98 | 1318 | delete_file("/sd/test.txt"); |
el14dg | 3:70a7b64fbd98 | 1319 | |
el14dg | 3:70a7b64fbd98 | 1320 | pin = fopen("/sd/test.txt", "a"); |
el14dg | 3:70a7b64fbd98 | 1321 | |
el14dg | 3:70a7b64fbd98 | 1322 | if (pin == NULL) { // if it can't open the file then print error message |
el14dg | 3:70a7b64fbd98 | 1323 | |
el14dg | 3:70a7b64fbd98 | 1324 | pc.printf("Error! Unable to open file!\n"); |
el14dg | 3:70a7b64fbd98 | 1325 | |
el14dg | 3:70a7b64fbd98 | 1326 | } |
el14dg | 3:70a7b64fbd98 | 1327 | |
el14dg | 3:70a7b64fbd98 | 1328 | else { |
el14dg | 3:70a7b64fbd98 | 1329 | |
el14dg | 4:9cac024c057c | 1330 | pc.printf("Writing to file....\n"); |
el14dg | 3:70a7b64fbd98 | 1331 | |
el14dg | 3:70a7b64fbd98 | 1332 | for(int i = 0; i < 4; i++) { |
el14dg | 3:70a7b64fbd98 | 1333 | |
el14dg | 6:dc1229224d8e | 1334 | int pin_element = entered_pin[i];; // pin_element takes on the value of each element in the entered_pin array |
el14dg | 3:70a7b64fbd98 | 1335 | |
el14dg | 6:dc1229224d8e | 1336 | fprintf(pin, "%d,%d\n",i,pin_element); // pin element is printed to SD card file (CSV) |
el14dg | 3:70a7b64fbd98 | 1337 | } |
el14dg | 3:70a7b64fbd98 | 1338 | |
el14dg | 3:70a7b64fbd98 | 1339 | for(int i = 0; i < 4; i++) { |
el14dg | 3:70a7b64fbd98 | 1340 | |
el14dg | 6:dc1229224d8e | 1341 | pc.printf("[%d] %d\n",i,entered_pin[i]); // print to PC for debugging purposes |
el14dg | 3:70a7b64fbd98 | 1342 | } |
el14dg | 3:70a7b64fbd98 | 1343 | |
el14dg | 3:70a7b64fbd98 | 1344 | pc.printf("Done.\n"); |
el14dg | 3:70a7b64fbd98 | 1345 | |
el14dg | 6:dc1229224d8e | 1346 | fclose(pin); // close the file after writing |
el14dg | 3:70a7b64fbd98 | 1347 | |
el14dg | 3:70a7b64fbd98 | 1348 | } |
el14dg | 3:70a7b64fbd98 | 1349 | |
el14dg | 3:70a7b64fbd98 | 1350 | } |
el14dg | 3:70a7b64fbd98 | 1351 | |
el14dg | 3:70a7b64fbd98 | 1352 | void read_pin() |
el14dg | 3:70a7b64fbd98 | 1353 | { |
el14dg | 3:70a7b64fbd98 | 1354 | pin = fopen("/sd/test.txt", "r"); |
el14dg | 6:dc1229224d8e | 1355 | |
el14dg | 3:70a7b64fbd98 | 1356 | int i = 0; |
el14dg | 3:70a7b64fbd98 | 1357 | |
el14dg | 3:70a7b64fbd98 | 1358 | pc.printf("Reading into set_pin array...\n"); |
el14dg | 3:70a7b64fbd98 | 1359 | |
el14dg | 6:dc1229224d8e | 1360 | while (fscanf(pin, "%d,%d",&index_array[i],&set_pin[i]) != EOF) { // EOF ---> End of File |
el14dg | 3:70a7b64fbd98 | 1361 | i++; // read data into array and increment index |
el14dg | 3:70a7b64fbd98 | 1362 | } |
el14dg | 3:70a7b64fbd98 | 1363 | |
el14dg | 6:dc1229224d8e | 1364 | fclose(pin); // close the file after reading |
el14dg | 3:70a7b64fbd98 | 1365 | |
el14dg | 3:70a7b64fbd98 | 1366 | for(int i = 0; i < 4 ; i++) { |
el14dg | 3:70a7b64fbd98 | 1367 | |
el14dg | 6:dc1229224d8e | 1368 | pc.printf("[%d] %d\n",i,set_pin[i]); // print to PC for debugging purposes |
el14dg | 3:70a7b64fbd98 | 1369 | |
el14dg | 3:70a7b64fbd98 | 1370 | } |
el14dg | 6:dc1229224d8e | 1371 | |
el14dg | 3:70a7b64fbd98 | 1372 | pc.printf("Done.\n"); |
el14dg | 6:dc1229224d8e | 1373 | |
el14dg | 3:70a7b64fbd98 | 1374 | } |
el14dg | 6:dc1229224d8e | 1375 | |
el14dg | 3:70a7b64fbd98 | 1376 | void delete_file(char filename[]) |
el14dg | 3:70a7b64fbd98 | 1377 | { |
el14dg | 3:70a7b64fbd98 | 1378 | pc.printf("Deleting file '%s'...",filename); |
el14dg | 6:dc1229224d8e | 1379 | |
el14dg | 3:70a7b64fbd98 | 1380 | FILE *fp = fopen(filename, "r"); // try and open file |
el14dg | 6:dc1229224d8e | 1381 | |
el14dg | 3:70a7b64fbd98 | 1382 | if (fp != NULL) { // if it does open... |
el14dg | 6:dc1229224d8e | 1383 | |
el14dg | 3:70a7b64fbd98 | 1384 | fclose(fp); // close it |
el14dg | 6:dc1229224d8e | 1385 | |
el14dg | 6:dc1229224d8e | 1386 | remove(filename); // delete the file |
el14dg | 6:dc1229224d8e | 1387 | |
el14dg | 3:70a7b64fbd98 | 1388 | pc.printf("Done!\n"); |
el14dg | 6:dc1229224d8e | 1389 | |
el14dg | 3:70a7b64fbd98 | 1390 | } |
el14dg | 6:dc1229224d8e | 1391 | |
el14dg | 6:dc1229224d8e | 1392 | // if it can't be opened, it doesn't exist and can't be deleted |
el14dg | 6:dc1229224d8e | 1393 | |
el14dg | 6:dc1229224d8e | 1394 | } |