Questions tagged as 'checksum'

I'm trying to calculate a crc modbus in an application for PIC, but the crc returned is always incorrect compared to online simulators .. follow the code void CRC (unsigned char* msg, unsigned char* out) { //char CRC16[2] = {0xFF,0xFF};...

Good morning people. I have an example string: var string= >ACK;ID=1206;#01D4; I need to calculate CheckSum 8 Xor so that it returns 2 digits in hex: Answer: 2B Can you help me?     

I'm developing a communication socket between a crawler and the server. The socket is in perfect working order. My problem is with communication when checking the checksum. The device sends a message ranging from 0 to 200 bytes to the server...

dataTmp referencia nStock 2017-02-18 DC01234567 NULL 2017-02-18 DC01234567 NULL 2017-02-18 DC01234567 NULL 2017-02-19 DC01234567 0 2017-02-19 DC01234567 0 2017-02-19 DC01234567 0 2017-02-20 DC01234567 0 201...

I'm creating a library / library for Android in C, and I'd like to know how do I display its own checksum , so if you experience any " change " after compiling, % w / w% will change.