Paul Sainrat
/
App4_Projet
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
DO/DO.cpp@0:703249a56b9d, 2017-10-23 (annotated)
- Committer:
- Sainratp
- Date:
- Mon Oct 23 13:13:33 2017 +0000
- Revision:
- 0:703249a56b9d
- Child:
- 1:5c0ca9bdf810
App4;
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| Sainratp | 0:703249a56b9d | 1 | #include "mbed.h" |
| Sainratp | 0:703249a56b9d | 2 | #include "DO.h" |
| Sainratp | 0:703249a56b9d | 3 | #include "config.h" |
| Sainratp | 0:703249a56b9d | 4 | |
| Sainratp | 0:703249a56b9d | 5 | |
| Sainratp | 0:703249a56b9d | 6 | char calcCRC16(char* trame) |
| Sainratp | 0:703249a56b9d | 7 | { |
| Sainratp | 0:703249a56b9d | 8 | char length = trame[2]; |
| Sainratp | 0:703249a56b9d | 9 | int CRC16 = 0xFFFF; |
| Sainratp | 0:703249a56b9d | 10 | for(char i =0x00; i<length; i++) { |
| Sainratp | 0:703249a56b9d | 11 | CRC16 = CRC16 ^ trame[3+i]; |
| Sainratp | 0:703249a56b9d | 12 | for(int j = 0 ; j<8 ; j++) { |
| Sainratp | 0:703249a56b9d | 13 | if((CRC16 & 0x1)==0x01) { |
| Sainratp | 0:703249a56b9d | 14 | CRC16 = CRC16/2 ^ 0xA001; |
| Sainratp | 0:703249a56b9d | 15 | } else { |
| Sainratp | 0:703249a56b9d | 16 | CRC16 = CRC16/2; |
| Sainratp | 0:703249a56b9d | 17 | } |
| Sainratp | 0:703249a56b9d | 18 | } |
| Sainratp | 0:703249a56b9d | 19 | } |
| Sainratp | 0:703249a56b9d | 20 | return CRC16 & 0x00FF ; |
| Sainratp | 0:703249a56b9d | 21 | } |
| Sainratp | 0:703249a56b9d | 22 | |
| Sainratp | 0:703249a56b9d | 23 | |
| Sainratp | 0:703249a56b9d | 24 | void recieveData(char* data){ |
| Sainratp | 0:703249a56b9d | 25 | if(calcCRC16(data)){ |
| Sainratp | 0:703249a56b9d | 26 | |
| Sainratp | 0:703249a56b9d | 27 | } |
| Sainratp | 0:703249a56b9d | 28 | else{ |
| Sainratp | 0:703249a56b9d | 29 | printf("Erreur : Checksum incorect \n"); |
| Sainratp | 0:703249a56b9d | 30 | } |
| Sainratp | 0:703249a56b9d | 31 | |
| Sainratp | 0:703249a56b9d | 32 | } |