信号機
信号機
信号機はPIC16F1933を使って、10個の信号機を点灯します。
PIC16F1933のコード
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 |
//*************************** //2021_0606 //*************************** #include <xc.h> #define _XTAL_FREQ 4000000 #pragma config CPD = OFF #pragma config BOREN = OFF #pragma config IESO = OFF #pragma config FOSC =INTOSC #pragma config FCMEN = OFF #pragma config MCLRE = OFF #pragma config WDTE = OFF //ON #pragma config CP = OFF #pragma config LVP = OFF #pragma config PWRTE = ON #define ExtInt RB0 #define ExtData RB1 #define RED0 RA0 #define YEL0 RA1 #define GRN0 RA2 #define GRP0 RA3 #define GRP1 RA4 #define GRP2 RA5 #define GRP3 RC0 #define GRP4 RC1 #define GRP5 RC2 #define GRP6 RC3 #define GRP7 RC4 #define GRP8 RC5 #define GRP9 RC6 #define L_GRN 0b100 #define L_YEL 0b010 #define L_RED 0b001 int IntCount; unsigned char bit_p; unsigned char receive_data; unsigned char data_p; unsigned char RxData[128]; unsigned char send_data; unsigned char busy; unsigned char EnableBit[] = {1, 2, 4, 8, 16, 32, 64, 128}; unsigned char yard_req; unsigned char yard_num; unsigned char TrainCount; unsigned char TrainPos[16]; unsigned char SignalPos[8]; unsigned char grp_chg_count; unsigned char group; unsigned char signal[10]; unsigned char sync; unsigned char data_ready; void signal_LED(unsigned char); void Disp(void); void led_off(void); //******************************************************** void main(void) { unsigned char rosen; signed char d; signed char d_min; unsigned char n, p; //最高速32MHｚ OSCCONbits.SPLLEN = 1; //×4 PLL OSCCONbits.IRCF = 14; //8MHz ANSELA = 0; // アナログ入力 AN8からAN13 を無効 ANSELB = 0; // アナログ入力 AN0からAN7 を無効 PORTA = 0; PORTB = 0; PORTC = 0; TRISA = 0; TRISB = 0x03; // RB0,1 Input TRISC = 0; OPTION_REG = 0x0f; // WDT,Int Fall, pulup OPTION_REGbits.nWPUEN = 1; INTE = 1; // RB0 割り込み許可 GIE = 1; // 割り込み許可 SignalPos[0] = 1; SignalPos[1] = 9; SignalPos[2] = 0x10; // SignalPos[0] = 0; // SignalPos[1] = 1; // SignalPos[2] = 2; SignalPos[3] = 3; SignalPos[4] = 4; SignalPos[5] = 5; SignalPos[6] = 6; SignalPos[7] = 7; SignalPos[8] = 8; SignalPos[9] = 9; __delay_ms(10); // 10msec while (1) { CLRWDT(); //列車位置設定 if (data_ready) { data_ready = 0; TrainCount = 0; for (n = 0; n < 12; n++) { p = n * 8; if ((RxData[p] & 0xF0) == 0xA0) { TrainPos[TrainCount++] = RxData[p + 6]; } } } for (p = 0; p < 10; p++) { d_min = 7; rosen = SignalPos[p] & 0x38; for (n = 0; n < TrainCount; n++) { if ((TrainPos[n] & 0x38) == rosen) { d = (TrainPos[n] & 7)-(SignalPos[p] & 7); if (SignalPos[p] & 0x80) d = -d; //シグナル向き逆方向 if (d < 0) d += 8; if (d < d_min) d_min = d; //最小値を更新 } } if (d_min == 2) { //黄信号 signal[p] = L_YEL; } else if (d_min > 2) { //青信号 signal[p] = L_GRN; } else if (d_min < 2) { //赤信号 signal[p] = L_RED; } Disp(); } } } void __interrupt() ISR_ExtInt(void) { unsigned char inp_bit; inp_bit = ExtData; INTF = 0; // 割り込みフラグクリア IntCount++; RB4 = 1; if (ExtInt == 0) { //--- IntCount 0 --- IntCount = 0; RB5 = 1; } grp_chg_count++; //Group Change if (grp_chg_count == 0x50) { grp_chg_count = 0; if (++group > 9) group = 0; sync = 1; } //受信 //TRISB1 = 1; //PortInput data_p = (IntCount - 1) >> 3; bit_p = EnableBit[(IntCount - 1) & 0b111]; RB3 = 1; if (inp_bit) receive_data |= bit_p; else receive_data &= ~bit_p; if (bit_p == 0x80) { RxData[data_p] = receive_data; //DataSet if (data_p == 0x60) { data_ready = 1; } } PORTB = 0; // RB4 = 0; // RB5 = 0; } void Disp() { if (sync) { sync = 0; led_off(); //signal_LED(signal[group]); PORTA |= signal[group]; switch (group) { case 0: GRP0 = 0; break; case 1: GRP1 = 0; break; case 2: GRP2 = 0; break; case 3: GRP3 = 0; break; case 4: GRP4 = 0; break; case 5: GRP5 = 0; break; case 6: GRP6 = 0; break; case 7: GRP7 = 0; break; case 8: GRP8 = 0; break; case 9: GRP9 = 0; break; } } } void led_off() { PORTA = 0b11111000; PORTC = 0b1111111; } |