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@CHIP-RTOS C Library V2.06 - Fossil API


fossil_set_rs485

Enable/Disable RS485 mode.

void fossil_set_rs485 ( int port, RS485_MODE mode);

Parameters

mode

RS 485 mode enumerator:
    FOSSIL_RS485_LOWACTIVE = 0:   TxEnable low active
    FOSSIL_RS485_HIGHACTIVE = 1:   TxEnable high active
    FOSSIL_RS485_DISABLE      = 2:   Disable RS485 mode

SC1x Parameters

port
Port specifier:
    FOSSIL_EXT = 0 for EXT port
    FOSSIL_COM = 1 for COM port

SC1x3 Parameters

port
Port specifier:
    FOSSIL_EXT = 0 for EXT port
    FOSSIL_COM = 1 for COM port
    FOSSIL_SER2 = 2 for SER2 port
    FOSSIL_SER3 = 3 for SER3 port

Return Value

-- none --

Comments

By default the RTS signals (pins) are used to enable/disable the respective transmitter. (TxEnable)

See Also

RTOS API

This library function invokes a RTOS software interrupt. Refer to this RTOS API function's documentation for more details.

Supported since or modified in @CHIP-RTOS version

    SC12SC13SC11SC1x3
    V1.00V1.00V1.00V0.90

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