Edward Plumer
Edward Plumer replied to the topic 'mcp23s17_open failing, where is stderr' in the forum. 5 years ago

As an alternative to finding the log for stderr, I tried modifying mcp23s17.c to return different error codes for the 4 possible failure conditions. However, the piface build automatically pulls a fresh copy of mcp23s17.c as part of its generated make.

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