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Showing results for 'uart rts'.
Found 3 results
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Good day Please, tell me, how I can add RTS pin (flow control) to Uart in Orange Pi One ? It need me for control Uart-RS485 converter
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Is it possible to use uart rts gpio on mainline? May be like discribed here https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next/+/refs/heads/akpm-base/Documentation/devicetree/bindings/serial/serial.txt
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Hi all, I'm trying to use an Orange Pi PC Plus to drive an RS485 serial converter and ultimately talk Modbus to a sensor device. I have managed to get flow control enabled on the port, but the polarity of the RTS signal is active LOW, whereas the converter I have requires active HIGH. Is there any way to invert the polarity of the RTS pin for the UART? I think it can be done via ioctl call in C programs, but I need this applied at a system level to be compatible with some third party software. Thanks in advance!
