Re: [Freedos-user] MODE not changing RTS or DTR of serial ports

2019-12-27 Thread Matt Jacobs
Nothing is connected to the serial ports at the moment, except for an oscilloscope that I am using to measure what is being transmitted (Tx pin). I'm not interested in anything on the receive side just yet. At first I tried a legacy program that worked in MS-DOS 6.22 that I am trying to get wor

Re: [Freedos-user] MODE not changing RTS or DTR of serial ports

2019-12-27 Thread dmccunney
On Fri, Dec 27, 2019 at 6:13 PM Matt Jacobs wrote: > I suspect that DTR/RTS being on is the reason why I cannot write to the > serial port. How are you *trying* to write to the serial port? What is connected to the port? How is it connected? DTR/RTS is hardware flow control, used to determine

[Freedos-user] MODE not changing RTS or DTR of serial ports

2019-12-27 Thread Matt Jacobs
Hi, If I type the following command into mode: MODE COM1:BAUD=9600 DATA=8 STOP=1 PARITY=N DTR=OFF RTS=OFF and then go: MODE COM1 BAUDHARD=1 I get: UART is 16450 or newer. Reading parameters: no parity, 1 stop bit, 8 bit, 9600 baud, RTS on, DTR on. For the life of me I can't figure out how to