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revise the explain of a parameter(brk_len) in uart driver file

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chenjianqiang 2018-05-14 19:47:16 +08:00
parent b9aee83d9b
commit b5de860bcb
1 changed files with 1 additions and 2 deletions
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components/driver/include/driver/uart.h
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@ -594,8 +594,7 @@ int uart_write_bytes(uart_port_t uart_num, const char* src, size_t size);
* @param uart_num UART_NUM_0, UART_NUM_1 or UART_NUM_2
* @param src data buffer address
* @param size data length to send
* @param brk_len break signal length (unit: the time it takes to send a complete byte
including start, stop and parity bits at current_baudrate)
* @param brk_len break signal duration(unit: the time it takes to send one bit at current baudrate)
*
* @return
* - (-1) Parameter error