1. fix bug in ringbuffer.c: When return an dummy item, free_ptr might exceed rd_ptr, so the write_ptr would overwrite rd_ptr in this case. 2. Delete UART tx task in buffer mode. UART ISR will copy the data from tx buffer to fifo. |
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driver |
1. fix bug in ringbuffer.c: When return an dummy item, free_ptr might exceed rd_ptr, so the write_ptr would overwrite rd_ptr in this case. 2. Delete UART tx task in buffer mode. UART ISR will copy the data from tx buffer to fifo. |
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.. | ||
driver |