Serial Port Monitor - Software Serial Port sniffer, logger & protocol analyzer for Windows
Docs

Terminal.RTSControl Enumeration

Supported RTS (request-to-send) control modes.

SymbolValueDescription
Disabled0Disables the RTS line when the device is opened and leaves it disabled.
Enabled1Enables the RTS line when the device is opened and leaves it on.
Handshake2Enables RTS handshaking. The driver raises the RTS line when the “type-ahead” (input) buffer is less than one-half full and lowers the RTS line when the buffer is more than three-quarters full.
Toggle3Specifies that the RTS line will be high if bytes are available for transmission. After all buffered bytes have been sent, the RTS line will be low.