PURS_seminar
KEY_PAD.cpp@0:19f75d1f3ea2, 2018-01-10 (annotated)
- Committer:
- resetar
- Date:
- Wed Jan 10 16:03:17 2018 +0000
- Revision:
- 0:19f75d1f3ea2
key_pad
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
resetar | 0:19f75d1f3ea2 | 1 | #include "mbed.h" |
resetar | 0:19f75d1f3ea2 | 2 | #include "KEY_PAD.h" |
resetar | 0:19f75d1f3ea2 | 3 | #include "TextLCD.h" |
resetar | 0:19f75d1f3ea2 | 4 | |
resetar | 0:19f75d1f3ea2 | 5 | volatile int row=0; |
resetar | 0:19f75d1f3ea2 | 6 | volatile int col=0; |
resetar | 0:19f75d1f3ea2 | 7 | volatile int key=0; |
resetar | 0:19f75d1f3ea2 | 8 | volatile int step=0; |
resetar | 0:19f75d1f3ea2 | 9 | volatile int code=0; |
resetar | 0:19f75d1f3ea2 | 10 | volatile int pass_code=0; |
resetar | 0:19f75d1f3ea2 | 11 | |
resetar | 0:19f75d1f3ea2 | 12 | KEY_PAD::KEY_PAD(PinName stupac3Pin, PinName stupac2Pin, PinName stupac1Pin, PinName red4Pin, PinName red3Pin, PinName red2Pin, PinName red1Pin) : stupac3(stupac3Pin), stupac2(stupac2Pin), stupac1(stupac1Pin), red4(red4Pin), red3(red3Pin), red2(red2Pin), red1(red1Pin) { |
resetar | 0:19f75d1f3ea2 | 13 | init(); |
resetar | 0:19f75d1f3ea2 | 14 | } |
resetar | 0:19f75d1f3ea2 | 15 | |
resetar | 0:19f75d1f3ea2 | 16 | void KEY_PAD::init() { |
resetar | 0:19f75d1f3ea2 | 17 | |
resetar | 0:19f75d1f3ea2 | 18 | stupci.mode(OpenDrain); |
resetar | 0:19f75d1f3ea2 | 19 | stupci.mode(PullUp); |
resetar | 0:19f75d1f3ea2 | 20 | |
resetar | 0:19f75d1f3ea2 | 21 | red1.mode(PullUp); |
resetar | 0:19f75d1f3ea2 | 22 | red2.mode(PullUp); |
resetar | 0:19f75d1f3ea2 | 23 | red3.mode(PullUp); |
resetar | 0:19f75d1f3ea2 | 24 | red4.mode(PullUp); |
resetar | 0:19f75d1f3ea2 | 25 | |
resetar | 0:19f75d1f3ea2 | 26 | red1.fall(this, &get_row1); |
resetar | 0:19f75d1f3ea2 | 27 | red2.fall(this, &get_row2); |
resetar | 0:19f75d1f3ea2 | 28 | red3.fall(this, &get_row3); |
resetar | 0:19f75d1f3ea2 | 29 | red4.fall(this, &get_row4); |
resetar | 0:19f75d1f3ea2 | 30 | } |
resetar | 0:19f75d1f3ea2 | 31 | void KEY_PAD::make_num(){ |
resetar | 0:19f75d1f3ea2 | 32 | switch(step){ |
resetar | 0:19f75d1f3ea2 | 33 | case(0): |
resetar | 0:19f75d1f3ea2 | 34 | code=code+key*100; |
resetar | 0:19f75d1f3ea2 | 35 | step++; |
resetar | 0:19f75d1f3ea2 | 36 | break; |
resetar | 0:19f75d1f3ea2 | 37 | |
resetar | 0:19f75d1f3ea2 | 38 | case(1): |
resetar | 0:19f75d1f3ea2 | 39 | code=code+key*10; |
resetar | 0:19f75d1f3ea2 | 40 | step++; |
resetar | 0:19f75d1f3ea2 | 41 | break; |
resetar | 0:19f75d1f3ea2 | 42 | |
resetar | 0:19f75d1f3ea2 | 43 | case(2): |
resetar | 0:19f75d1f3ea2 | 44 | code=code+key; |
resetar | 0:19f75d1f3ea2 | 45 | step++; |
resetar | 0:19f75d1f3ea2 | 46 | break; |
resetar | 0:19f75d1f3ea2 | 47 | |
resetar | 0:19f75d1f3ea2 | 48 | case(3): |
resetar | 0:19f75d1f3ea2 | 49 | step++; |
resetar | 0:19f75d1f3ea2 | 50 | break; |
resetar | 0:19f75d1f3ea2 | 51 | |
resetar | 0:19f75d1f3ea2 | 52 | case(4): |
resetar | 0:19f75d1f3ea2 | 53 | step=0; |
resetar | 0:19f75d1f3ea2 | 54 | code=0; |
resetar | 0:19f75d1f3ea2 | 55 | break; |
resetar | 0:19f75d1f3ea2 | 56 | } |
resetar | 0:19f75d1f3ea2 | 57 | } |
resetar | 0:19f75d1f3ea2 | 58 | |
resetar | 0:19f75d1f3ea2 | 59 | void KEY_PAD::make_code(){ |
resetar | 0:19f75d1f3ea2 | 60 | switch(key){ |
resetar | 0:19f75d1f3ea2 | 61 | case(1): |
resetar | 0:19f75d1f3ea2 | 62 | make_num(); |
resetar | 0:19f75d1f3ea2 | 63 | break; |
resetar | 0:19f75d1f3ea2 | 64 | |
resetar | 0:19f75d1f3ea2 | 65 | case(2): |
resetar | 0:19f75d1f3ea2 | 66 | make_num(); |
resetar | 0:19f75d1f3ea2 | 67 | break; |
resetar | 0:19f75d1f3ea2 | 68 | |
resetar | 0:19f75d1f3ea2 | 69 | case(3): |
resetar | 0:19f75d1f3ea2 | 70 | make_num(); |
resetar | 0:19f75d1f3ea2 | 71 | break; |
resetar | 0:19f75d1f3ea2 | 72 | |
resetar | 0:19f75d1f3ea2 | 73 | case(4): |
resetar | 0:19f75d1f3ea2 | 74 | make_num(); |
resetar | 0:19f75d1f3ea2 | 75 | break; |
resetar | 0:19f75d1f3ea2 | 76 | |
resetar | 0:19f75d1f3ea2 | 77 | case(5): |
resetar | 0:19f75d1f3ea2 | 78 | make_num(); |
resetar | 0:19f75d1f3ea2 | 79 | break; |
resetar | 0:19f75d1f3ea2 | 80 | |
resetar | 0:19f75d1f3ea2 | 81 | case(6): |
resetar | 0:19f75d1f3ea2 | 82 | make_num(); |
resetar | 0:19f75d1f3ea2 | 83 | break; |
resetar | 0:19f75d1f3ea2 | 84 | |
resetar | 0:19f75d1f3ea2 | 85 | case(7): |
resetar | 0:19f75d1f3ea2 | 86 | make_num(); |
resetar | 0:19f75d1f3ea2 | 87 | break; |
resetar | 0:19f75d1f3ea2 | 88 | |
resetar | 0:19f75d1f3ea2 | 89 | case(8): |
resetar | 0:19f75d1f3ea2 | 90 | make_num(); |
resetar | 0:19f75d1f3ea2 | 91 | break; |
resetar | 0:19f75d1f3ea2 | 92 | |
resetar | 0:19f75d1f3ea2 | 93 | case(9): |
resetar | 0:19f75d1f3ea2 | 94 | make_num(); |
resetar | 0:19f75d1f3ea2 | 95 | break; |
resetar | 0:19f75d1f3ea2 | 96 | |
resetar | 0:19f75d1f3ea2 | 97 | case(10): |
resetar | 0:19f75d1f3ea2 | 98 | step=0; |
resetar | 0:19f75d1f3ea2 | 99 | code=0; |
resetar | 0:19f75d1f3ea2 | 100 | break; |
resetar | 0:19f75d1f3ea2 | 101 | |
resetar | 0:19f75d1f3ea2 | 102 | case(11): |
resetar | 0:19f75d1f3ea2 | 103 | pass_code=0; |
resetar | 0:19f75d1f3ea2 | 104 | code=0; |
resetar | 0:19f75d1f3ea2 | 105 | step=0; |
resetar | 0:19f75d1f3ea2 | 106 | break; |
resetar | 0:19f75d1f3ea2 | 107 | |
resetar | 0:19f75d1f3ea2 | 108 | case(12): |
resetar | 0:19f75d1f3ea2 | 109 | step=0; |
resetar | 0:19f75d1f3ea2 | 110 | if(code==123 || code==456 || code==789){ |
resetar | 0:19f75d1f3ea2 | 111 | pass_code=code; |
resetar | 0:19f75d1f3ea2 | 112 | code=0; |
resetar | 0:19f75d1f3ea2 | 113 | } |
resetar | 0:19f75d1f3ea2 | 114 | else{ |
resetar | 0:19f75d1f3ea2 | 115 | step=0; |
resetar | 0:19f75d1f3ea2 | 116 | code=0; |
resetar | 0:19f75d1f3ea2 | 117 | lcd.locate(0,3); |
resetar | 0:19f75d1f3ea2 | 118 | lcd.printf("Pogresna lozinka"); |
resetar | 0:19f75d1f3ea2 | 119 | } |
resetar | 0:19f75d1f3ea2 | 120 | //pogresna lozinka |
resetar | 0:19f75d1f3ea2 | 121 | break; |
resetar | 0:19f75d1f3ea2 | 122 | } |
resetar | 0:19f75d1f3ea2 | 123 | } |
resetar | 0:19f75d1f3ea2 | 124 | |
resetar | 0:19f75d1f3ea2 | 125 | |
resetar | 0:19f75d1f3ea2 | 126 | ///////////////////////////////////////////////// |
resetar | 0:19f75d1f3ea2 | 127 | |
resetar | 0:19f75d1f3ea2 | 128 | void KEY_PAD::shift(){ |
resetar | 0:19f75d1f3ea2 | 129 | stupci = stupci<<1; |
resetar | 0:19f75d1f3ea2 | 130 | |
resetar | 0:19f75d1f3ea2 | 131 | stupci = stupci & 0b00000111; |
resetar | 0:19f75d1f3ea2 | 132 | |
resetar | 0:19f75d1f3ea2 | 133 | wait_ms(2); |
resetar | 0:19f75d1f3ea2 | 134 | } |
resetar | 0:19f75d1f3ea2 | 135 | |
resetar | 0:19f75d1f3ea2 | 136 | void KEY_PAD::get_key(){ |
resetar | 0:19f75d1f3ea2 | 137 | int table[4][3]{{1, 2, 3}, |
resetar | 0:19f75d1f3ea2 | 138 | {4, 5, 6}, |
resetar | 0:19f75d1f3ea2 | 139 | {7, 8, 9}, |
resetar | 0:19f75d1f3ea2 | 140 | {10, 11, 12}}; |
resetar | 0:19f75d1f3ea2 | 141 | |
resetar | 0:19f75d1f3ea2 | 142 | key=table[row-1][col-1]; |
resetar | 0:19f75d1f3ea2 | 143 | |
resetar | 0:19f75d1f3ea2 | 144 | row=0; |
resetar | 0:19f75d1f3ea2 | 145 | col=0; |
resetar | 0:19f75d1f3ea2 | 146 | |
resetar | 0:19f75d1f3ea2 | 147 | make_code(); |
resetar | 0:19f75d1f3ea2 | 148 | } |
resetar | 0:19f75d1f3ea2 | 149 | |
resetar | 0:19f75d1f3ea2 | 150 | void KEY_PAD::get_row1(){ |
resetar | 0:19f75d1f3ea2 | 151 | red1.fall(NULL); |
resetar | 0:19f75d1f3ea2 | 152 | red2.fall(NULL); |
resetar | 0:19f75d1f3ea2 | 153 | red3.fall(NULL); |
resetar | 0:19f75d1f3ea2 | 154 | red4.fall(NULL); |
resetar | 0:19f75d1f3ea2 | 155 | |
resetar | 0:19f75d1f3ea2 | 156 | row=1; |
resetar | 0:19f75d1f3ea2 | 157 | stupci=1; |
resetar | 0:19f75d1f3ea2 | 158 | |
resetar | 0:19f75d1f3ea2 | 159 | wait_ms(1); |
resetar | 0:19f75d1f3ea2 | 160 | |
resetar | 0:19f75d1f3ea2 | 161 | for(int i=1; i<=3; i++){ |
resetar | 0:19f75d1f3ea2 | 162 | if(red1!=0){ |
resetar | 0:19f75d1f3ea2 | 163 | col=i; |
resetar | 0:19f75d1f3ea2 | 164 | break; |
resetar | 0:19f75d1f3ea2 | 165 | } |
resetar | 0:19f75d1f3ea2 | 166 | shift(); |
resetar | 0:19f75d1f3ea2 | 167 | } |
resetar | 0:19f75d1f3ea2 | 168 | get_key(); |
resetar | 0:19f75d1f3ea2 | 169 | stupci=0; |
resetar | 0:19f75d1f3ea2 | 170 | } |
resetar | 0:19f75d1f3ea2 | 171 | |
resetar | 0:19f75d1f3ea2 | 172 | void KEY_PAD::get_row2(){ |
resetar | 0:19f75d1f3ea2 | 173 | red1.fall(NULL); |
resetar | 0:19f75d1f3ea2 | 174 | red2.fall(NULL); |
resetar | 0:19f75d1f3ea2 | 175 | red3.fall(NULL); |
resetar | 0:19f75d1f3ea2 | 176 | red4.fall(NULL); |
resetar | 0:19f75d1f3ea2 | 177 | |
resetar | 0:19f75d1f3ea2 | 178 | row=2; |
resetar | 0:19f75d1f3ea2 | 179 | stupci=1; |
resetar | 0:19f75d1f3ea2 | 180 | |
resetar | 0:19f75d1f3ea2 | 181 | wait_ms(1); |
resetar | 0:19f75d1f3ea2 | 182 | |
resetar | 0:19f75d1f3ea2 | 183 | for(int i=1; i<=3; i++){ |
resetar | 0:19f75d1f3ea2 | 184 | if(red2!=0 && i!=3){ |
resetar | 0:19f75d1f3ea2 | 185 | col=i; |
resetar | 0:19f75d1f3ea2 | 186 | break; |
resetar | 0:19f75d1f3ea2 | 187 | } |
resetar | 0:19f75d1f3ea2 | 188 | if(i==3){ |
resetar | 0:19f75d1f3ea2 | 189 | col=3; |
resetar | 0:19f75d1f3ea2 | 190 | break; |
resetar | 0:19f75d1f3ea2 | 191 | } |
resetar | 0:19f75d1f3ea2 | 192 | shift(); |
resetar | 0:19f75d1f3ea2 | 193 | } |
resetar | 0:19f75d1f3ea2 | 194 | get_key(); |
resetar | 0:19f75d1f3ea2 | 195 | stupci=0; |
resetar | 0:19f75d1f3ea2 | 196 | } |
resetar | 0:19f75d1f3ea2 | 197 | |
resetar | 0:19f75d1f3ea2 | 198 | void KEY_PAD::get_row3(){ |
resetar | 0:19f75d1f3ea2 | 199 | red1.fall(NULL); |
resetar | 0:19f75d1f3ea2 | 200 | red2.fall(NULL); |
resetar | 0:19f75d1f3ea2 | 201 | red3.fall(NULL); |
resetar | 0:19f75d1f3ea2 | 202 | red4.fall(NULL); |
resetar | 0:19f75d1f3ea2 | 203 | |
resetar | 0:19f75d1f3ea2 | 204 | row=3; |
resetar | 0:19f75d1f3ea2 | 205 | stupci=1; |
resetar | 0:19f75d1f3ea2 | 206 | |
resetar | 0:19f75d1f3ea2 | 207 | wait_ms(1); |
resetar | 0:19f75d1f3ea2 | 208 | |
resetar | 0:19f75d1f3ea2 | 209 | for(int i=1; i<=3; i++){ |
resetar | 0:19f75d1f3ea2 | 210 | if(red3!=0 && i!=3){ |
resetar | 0:19f75d1f3ea2 | 211 | col=i; |
resetar | 0:19f75d1f3ea2 | 212 | break; |
resetar | 0:19f75d1f3ea2 | 213 | } |
resetar | 0:19f75d1f3ea2 | 214 | if(i==3){ |
resetar | 0:19f75d1f3ea2 | 215 | col=3; |
resetar | 0:19f75d1f3ea2 | 216 | break; |
resetar | 0:19f75d1f3ea2 | 217 | } |
resetar | 0:19f75d1f3ea2 | 218 | shift(); |
resetar | 0:19f75d1f3ea2 | 219 | } |
resetar | 0:19f75d1f3ea2 | 220 | get_key(); |
resetar | 0:19f75d1f3ea2 | 221 | stupci=0; |
resetar | 0:19f75d1f3ea2 | 222 | } |
resetar | 0:19f75d1f3ea2 | 223 | |
resetar | 0:19f75d1f3ea2 | 224 | void KEY_PAD::get_row4(){ |
resetar | 0:19f75d1f3ea2 | 225 | red1.fall(NULL); |
resetar | 0:19f75d1f3ea2 | 226 | red2.fall(NULL); |
resetar | 0:19f75d1f3ea2 | 227 | red3.fall(NULL); |
resetar | 0:19f75d1f3ea2 | 228 | red4.fall(NULL); |
resetar | 0:19f75d1f3ea2 | 229 | |
resetar | 0:19f75d1f3ea2 | 230 | row=4; |
resetar | 0:19f75d1f3ea2 | 231 | stupci=1; |
resetar | 0:19f75d1f3ea2 | 232 | |
resetar | 0:19f75d1f3ea2 | 233 | wait_ms(1); |
resetar | 0:19f75d1f3ea2 | 234 | |
resetar | 0:19f75d1f3ea2 | 235 | for(int i=1; i<=3; i++){ |
resetar | 0:19f75d1f3ea2 | 236 | if(red4!=0 && i!=3){ |
resetar | 0:19f75d1f3ea2 | 237 | col=i; |
resetar | 0:19f75d1f3ea2 | 238 | break; |
resetar | 0:19f75d1f3ea2 | 239 | } |
resetar | 0:19f75d1f3ea2 | 240 | if(i==3){ |
resetar | 0:19f75d1f3ea2 | 241 | col=3; |
resetar | 0:19f75d1f3ea2 | 242 | break; |
resetar | 0:19f75d1f3ea2 | 243 | } |
resetar | 0:19f75d1f3ea2 | 244 | shift(); |
resetar | 0:19f75d1f3ea2 | 245 | } |
resetar | 0:19f75d1f3ea2 | 246 | get_key(); |
resetar | 0:19f75d1f3ea2 | 247 | stupci=0; |
resetar | 0:19f75d1f3ea2 | 248 | } |