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Rev 1576 Rev 2023
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   @param   baudrate Specify baudrate using macro UART_BAUD_SELECT()
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   @param   baudrate Specify baudrate using macro UART_BAUD_SELECT()
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   @return  none
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   @return  none
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*/
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*/
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extern void uart_init(unsigned int baudrate);
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extern void uart_init(unsigned int baudrate);
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/**
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   @brief   Check if transmit buffer is empty
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   @return  true if buffer is empty, false if not
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*/
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extern unsigned int uart_txbufempty(void);
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/**
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/**
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 *  @brief   Get received byte from ringbuffer
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 *  @brief   Get received byte from ringbuffer
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 *
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 *
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 * Returns in the lower byte the received character and in the
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 * Returns in the lower byte the received character and in the