UART API Error codes

Table 1. UART API Error codes
Return code Error Code Description
0x0008 0001 ERR_UART_RXD_BUSY = ERR_UART_BASE+1, UART receive is busy
0x0008 0002 ERR_UART_TXD_BUSY UART transmit is busy
0x0008 0003 ERR_UART_OVERRUN_FRAME_PARITY_NOISE Overrun error, Frame error, parity error, RxNoise error
0x0008 0004 ERR_UART_UNDERRUN Underrun error
0x0008 0005 ERR_UART_PARAM Parameter error

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