bitfield in union and compile problem

Dear Sir, I have a problem about the union and bitfiled. I always suffer a strange problem in my system. After I check the M51 file, I start to doubt that it is the bitfield and union problem in compile...
bitfield in union and compile problem

Dear Sir, I have a problem about the union and bitfiled. I always suffer a strange problem in my system. After I check the M51 file, I start to doubt that it is the bitfield and union problem in compile...
bitfield in union and compile problem

Dear Sir, I have a problem about the union and bitfiled. I always suffer a strange problem in my system. After I check the M51 file, I start to doubt that it is the bitfield and union problem in compile...
bitfield in union and compile problem

Dear Sir, I have a problem about the union and bitfiled. I always suffer a strange problem in my system. After I check the M51 file, I start to doubt that it is the bitfield and union problem in compile...
Structures inside a union

I did read some threads on the forum but could not solve my problem. I want to make a union of to data sets (a structure and an array). My code is as follows: #define COMMS_BUFFER_SIZE 80...