@CHIP-RTOS C Library V2.06 - Fossil API
fossil_set_rs485_txenable
Select RS485 pin. void fossil_set_rs485_txenable ( int port, int pin ); SC1x Parameters
- port
- Port specifier:
FOSSIL_EXT = 0 for EXT port
FOSSIL_COM = 1 for COM port
- pin
- PIO pin number, [0..13]
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
- pin
- PIO pin number, [0..24,26..31]
Use -1 to select the RTS pin (hardware functionality / default)
Return Value
- -- none --
Comments
- By default the RTS signals (pins) are used to enable/disable the
respective transmitter. (TxEnable)
This function lets you select any PIO as TxEnable (but not all
make sense). To change the default, call this function before you call
the fossil_set_rs485 function.
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-
SC12 | SC13 | SC11 | SC1x3 |
-
V1.00 | V1.00 | V1.00 | V0.90 |
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