[JM] 3/19/2019 The following worked for me on a Lenovo Yoga Tab 3, running [Androwish]
<<TOC>>
** Example 1 **
1. USB OTG connector
1. USB to DB9 converter (Prolific)
1. US Robotics 5686 external modem (I have one, believe it or not)
1. Code from "Basic Example" from [Serial Port] with 1 change only:
set dev [lindex [usbserial] 0]
set fh [usbserial $dev]
Instead of:
set fh [open $comPort RDWR]
Screenshot:
[Androwish Serial Port screenshot]
** Example 2 **
[JM] 3/23/2019 - Here a [SerPortChat] between Tablet with [Androwish] and PC running ubuntu
This is an old desktop PC with legacy DB9 serial port, here is how they were connected:<<br>>
PC - Null_Modem_Cable - USB_to_RS232 - USB_OTG - Tablet
Only a few changes were needed on the [Androwish] version:<<br>>
1. I used dummy icons instead of the original png files
1. changed a few lines:
jorge@jorge-nga:~/tclCode$ diff SerPortChat.tcl AWSerPortChat.tcl
4c4
< image create photo img-icone -file app.png
---
> #image create photo img-icone -file app.png
87c87
< ttk::label .about.fond.i -image img-icone -anchor n
---
> ttk::label .about.fond.i -text img-icone -anchor n
175c175,178
< if {![catch "open $::comport r+" ::tty]} {
---
> set dev [lindex [usbserial] 0]
> # set fh [usbserial $dev]
>
> if {![catch "usbserial $dev" ::tty]} {
PC Screenshot:
[PC_to_AW_Screenshot]
----
Tablet Screenshot:
[AW_to_PC_Screenshot]
<<categories>> Hardware