MCP2510 driver problem

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MCP2510 driver problem [Copy link]

MCP2510 crystal oscillator uses 4M and 16M, uses 16F946 for reading and writing, crystal oscillator is 8M, and the driver is mcp2510.c included in CCS.

mcp2510_write(jjj,0x77);

cycle=mcp2510_read(jjj);
putchar(jjj);
jjj++;

putchar(cycle);

Write each register once, write 0X77, and then read it out. Some are correct, but some are messed up.

What's the problem?

Prawns, please help me