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ModbusPortConfig

Configure the RS485 port Modbus/RTU settings

Description#

ModbusPortConfig( speed, settings )

This command will configure the RS485 port.

Parameters#

speed Desired bit rate (1200 - 115200 bps)
settings Bitmap combination of UART_WLEN_*, UART_STOP_* and UART_PAR_*

Settings#

UART_WLEN_8 8 data bits
UART_WLEN_7 7 data bits
UART_STOP_ONE Transmit one stop bit (receiving will always accept one or two stopbits)
UART_STOP_TWO Transmit two stop bits (receiving will always accept one or two stopbits)
UART_PAR_NONE No parity bit
UART_PAR_EVEN Even parity
UART_PAR_ODD Odd parity

Return value#

No return value.

Example usage#

   ModbusPortConfig( 19200, UART_WLEN_8 | UART_STOP_ONE | UART_PAR_NONE );

Last updated Oct 2, 2023