u011833083的博客

协议栈最近又做起来了，碰到一个按比特拷贝的需求。类似C语言memcpy函数，只不过memcpy是按字节拷贝的：void *memcpy(void *to, const void *from, size_t n)比特拷贝的函数应该是这样：int *bitcpy(void *to, unsigned int tOfs, int tCnt, const void * from, unsigne...

File Transport Over MODBUS (FOM)1. Use function code 0x172. Use relative address3. Register descriptionCommand Register (0x0000)#define SOH 0x01 #define STX 0x02 #define EOT 0x04 #de...