Zdenka Šibíková
/
CRC
crc
main.cpp@0:18d4d4297051, 2017-11-27 (annotated)
- Committer:
- zdenka
- Date:
- Mon Nov 27 15:44:23 2017 +0000
- Revision:
- 0:18d4d4297051
crc
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
zdenka | 0:18d4d4297051 | 1 | #include "mbed.h" |
zdenka | 0:18d4d4297051 | 2 | |
zdenka | 0:18d4d4297051 | 3 | DigitalOut myled(LED_GREEN); |
zdenka | 0:18d4d4297051 | 4 | Serial pc(USBTX, USBRX,57600); |
zdenka | 0:18d4d4297051 | 5 | char naodoslanie[9]; |
zdenka | 0:18d4d4297051 | 6 | char crc=0x00; |
zdenka | 0:18d4d4297051 | 7 | char ccc[256]={0, 94, 188, 226, 97, 63, 221, 131, 194, 156, 126, 32, 163, 253, 31, 65, |
zdenka | 0:18d4d4297051 | 8 | 157, 195, 33, 127, 252, 162, 64, 30, 95, 1, 227, 189, 62, 96, 130, 220, |
zdenka | 0:18d4d4297051 | 9 | 35, 125, 159, 193, 66, 28, 254, 160, 225, 191, 93, 3, 128, 222, 60, 98, |
zdenka | 0:18d4d4297051 | 10 | 190, 224, 2, 92, 223, 129, 99, 61, 124, 34, 192, 158, 29, 67, 161, 255, |
zdenka | 0:18d4d4297051 | 11 | 70, 24, 250, 164, 39, 121, 155, 197, 132, 218, 56, 102, 229, 187, 89, 7, |
zdenka | 0:18d4d4297051 | 12 | 219, 133, 103, 57, 186, 228, 6, 88, 25, 71, 165, 251, 120, 38, 196, 154, |
zdenka | 0:18d4d4297051 | 13 | 101, 59, 217, 135, 4, 90, 184, 230, 167, 249, 27, 69, 198, 152, 122, 36, |
zdenka | 0:18d4d4297051 | 14 | 248, 166, 68, 26, 153, 199, 37, 123, 58, 100, 134, 216, 91, 5, 231, 185, |
zdenka | 0:18d4d4297051 | 15 | 140, 210, 48, 110, 237, 179, 81, 15, 78, 16, 242, 172, 47, 113, 147, 205, |
zdenka | 0:18d4d4297051 | 16 | 17, 79, 173, 243, 112, 46, 204, 146, 211, 141, 111, 49, 178, 236, 14, 80, |
zdenka | 0:18d4d4297051 | 17 | 175, 241, 19, 77, 206, 144, 114, 44, 109, 51, 209, 143, 12, 82, 176, 238, |
zdenka | 0:18d4d4297051 | 18 | 50, 108, 142, 208, 83, 13, 239, 177, 240, 174, 76, 18, 145, 207, 45, 115, |
zdenka | 0:18d4d4297051 | 19 | 202, 148, 118, 40, 171, 245, 23, 73, 8, 86, 180, 234, 105, 55, 213, 139, |
zdenka | 0:18d4d4297051 | 20 | 87, 9, 235, 181, 54, 104, 138, 212, 149, 203, 41, 119, 244, 170, 72, 22, |
zdenka | 0:18d4d4297051 | 21 | 233, 183, 85, 11, 136, 214, 52, 106, 43, 117, 151, 201, 74, 20, 246, 168, |
zdenka | 0:18d4d4297051 | 22 | 116, 42, 200, 150, 21, 75, 169, 247, 182, 232, 10, 84, 215, 137, 107, 53}; |
zdenka | 0:18d4d4297051 | 23 | |
zdenka | 0:18d4d4297051 | 24 | char sprava[5]; |
zdenka | 0:18d4d4297051 | 25 | |
zdenka | 0:18d4d4297051 | 26 | int main() |
zdenka | 0:18d4d4297051 | 27 | { |
zdenka | 0:18d4d4297051 | 28 | // int i = 0; |
zdenka | 0:18d4d4297051 | 29 | sprava[0]=0xD0;//adresa prijimatela |
zdenka | 0:18d4d4297051 | 30 | sprava[1]=0xAA;//adr. odosielatela |
zdenka | 0:18d4d4297051 | 31 | sprava[2]=0x41;//data na odoslanie |
zdenka | 0:18d4d4297051 | 32 | sprava[3]=0x42;//data na odoslanie |
zdenka | 0:18d4d4297051 | 33 | sprava[4]=0x43;//data na odoslanie |
zdenka | 0:18d4d4297051 | 34 | |
zdenka | 0:18d4d4297051 | 35 | naodoslanie[0]=0xA0; |
zdenka | 0:18d4d4297051 | 36 | naodoslanie[1]=sprava[0]; |
zdenka | 0:18d4d4297051 | 37 | naodoslanie[2]=sprava[1]; |
zdenka | 0:18d4d4297051 | 38 | naodoslanie[3]=0x3; |
zdenka | 0:18d4d4297051 | 39 | naodoslanie[4]=sprava[2]; |
zdenka | 0:18d4d4297051 | 40 | naodoslanie[5]=sprava[3]; |
zdenka | 0:18d4d4297051 | 41 | naodoslanie[6]=sprava[4]; |
zdenka | 0:18d4d4297051 | 42 | |
zdenka | 0:18d4d4297051 | 43 | int i; |
zdenka | 0:18d4d4297051 | 44 | for (i=0;i<sizeof(sprava);i++){ |
zdenka | 0:18d4d4297051 | 45 | crc=ccc[crc^sprava[i]]; |
zdenka | 0:18d4d4297051 | 46 | } |
zdenka | 0:18d4d4297051 | 47 | naodoslanie[7]=crc; |
zdenka | 0:18d4d4297051 | 48 | |
zdenka | 0:18d4d4297051 | 49 | for(int p=0;p<sizeof(naodoslanie);p++){ |
zdenka | 0:18d4d4297051 | 50 | pc.putc(naodoslanie[p]); |
zdenka | 0:18d4d4297051 | 51 | // pc.printf("%p\n",naodoslanie); |
zdenka | 0:18d4d4297051 | 52 | } |
zdenka | 0:18d4d4297051 | 53 | |
zdenka | 0:18d4d4297051 | 54 | while (true) { |
zdenka | 0:18d4d4297051 | 55 | /* wait(0.5f); // wait a small period of time |
zdenka | 0:18d4d4297051 | 56 | pc.printf("%d \n", i); // print the value of variable i |
zdenka | 0:18d4d4297051 | 57 | i++; // increment the variable |
zdenka | 0:18d4d4297051 | 58 | myled = !myled; // toggle a led |
zdenka | 0:18d4d4297051 | 59 | */ } |
zdenka | 0:18d4d4297051 | 60 | } |