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c6fd54ce7e
Code which was previously using buffer has been updated to work with the changes. API has also changed in accordance: int buf_set(unsigned resid, unsigned resnum, u8 logsize, size_t dsize); int buf_is_enabled( unsigned resid, unsigned resnum ); unsigned buf_get_size( unsigned resid, unsigned resnum ); unsigned buf_get_count( unsigned resid, unsigned resnum ); int buf_write( unsigned resid, unsigned resnum, t_buf_data *data, size_t dsize ); int buf_read( unsigned resid, unsigned resnum, t_buf_data *data, size_t dsize ); Essentially buf_rx_cb and buf_get_char have been renamed to buf_write and buf_read. For these, one now passes a pointer to where the data is coming from or going to, and a dsize parameter indicating how many bytes should be copied. Also, buf_set takes this same dsize parameter, and keeps it in the struct. This allows us to ensure that when data is read or written the number of bytes matches the buffer element size. I thought about maintaining compatibility functions to provide the original buf_rx_cb and buf_get_byte API calls, however there weren't a large number of uses of buf, so it wasn't hard to convert things. One caveat: BUF_MOD_INCR assumes that byte counts for alternate type sizes will be powers of 2. Also, BUF_SIZE_xx's are assumed to refer to element counts. - UART buffering enabled on LM3S This doesn't include switching the ADC code over to using these buffers quite yet. I'm open to comments on these modifications if theres a better or simpler approach. I've checked to make sure buffers work on LM3S, but I don't own any other platforms to make sure there aren't unintended side-effects.
The project documentation is located in the docs/ subdirectory.