usapack public
Dependents: optWingforHAPS_Eigen hexaTest_Eigen
Diff: UsaPack.cpp
- Revision:
- 4:844eff5a2fa8
- Parent:
- 3:526f824b50ef
diff -r 526f824b50ef -r 844eff5a2fa8 UsaPack.cpp --- a/UsaPack.cpp Mon Apr 26 11:33:25 2021 +0000 +++ b/UsaPack.cpp Sun May 23 23:12:43 2021 +0000 @@ -38,22 +38,37 @@ { char data[receive_size]; CobsDecode(receive_buffer, receive_index-2, data); - union + union c4 { char c[4]; int a; - } _address; + }; + c4 _address; + c4 _checksum; for (int i = 0; i < 4; i++) { _address.c[i] = data[i]; } + for (int i = 0; i < 4; i++) + { + _checksum.c[i] = data[i+4]; + } for (int i = 0; i < package_index; i++) { if (package_address[i] == _address.a) { + int checksum = 0; for (int j = 0; j < package_size[i]; j++) { - *((char*)(package_object[i])+j) = data[j+4]; + checksum += data[j+8]; + } + if (_checksum.a != checksum) + { + return; + } + for (int j = 0; j < package_size[i]; j++) + { + *((char*)(package_object[i])+j) = data[j+8]; } break; }