Data generation and transmission method based on 1553b bus anti-reading and writing conflicts
A technology of reading and writing conflicts and transmission methods, which is applied in the field of 1553B communication, can solve problems such as complex communication protocols, complex timing, and multiple functions, and achieve the effect of correcting errors
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[0026] The present invention is based on the 1553B bus anti-reading and writing conflict data generation and transmission method, comprises the following steps:
[0027] 1) Initialize two data buffers at the RT end, point the send lookup table pointer to one of the buffers at subaddress 8;
[0028] Initialize the sending lookup table (address 0x160 to 0x17F, a total of 32 lookup tables) to 0x400 to 0x720 in turn, and the length of the data block is 32 words. The sending double buffering function is designed for subaddress 8. The data block address of word address 8 in the bus controller is 0x500 (0x400+0x20*8), and the designed double-buffer data address is 0x260 (the address of bus controller data block 1).
[0029] 2) Detect 0.5ms data acquisition interruption, if there is no, execute the main loop code, wait for 0.5ms data acquisition interruption at the same time, repeat step 2; if yes, enter step 3; see the flow chart Figure 5 .
[0030] 3) Read the output pulse value...
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