My heart monitor is an old Polar Sport Tester 4000.
https://www.manualslib.com/manual/1393035/Polar-Electro-Sport-Testert.html
Its interface box has an RS2323 socket.
I had been downloading data to an old PC with a serial port. That PC
runs FreeDOS. VER/R reports "DOS version 7.10".
My Ubuntu PC does not have a serial port.
But I have a Belkin F5U409 USB-serial adaptor. My Linux kernel is
5.19.0-50-generic.
{The device is supported by kernel versions 2.6.0 and newer according to
the LKDDb:
Ver Source Config By ID By Class
2.6.0 - 6.3 drivers/usb/serial/mct_u232.c CONFIG_USB CONFIG_USB_SERIAL
CONFIG_USB_SERIAL_MCT_U232 050d:0109 *}
https://linux-hardware.org/?id=usb:050d-0109
That adaptor's LNK LED is on (green).
The Ubuntu PC has DOSBox v0.74-3. It runs the POLAR software OK. That
can set serial port to COM1 or COM2.
DOSBox Wiki says this.
{Configuration:SerialPort
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serialX = device [parameter:value]
device can be: dummy | modem | nullmodem | directserial
parameter is: irq
value is:
for directserial: realport (required), rxdelay (optional).
for modem: listenport (optional).
for nullmodem: server, rxdelay, txdelay, telnet, usedtr,
transparent, port, inhsocket (all optional).
Defaults:
serial1=dummy
serial2=dummy
serial3=disabled
serial4=disabled
An example of how to configure an actual serial port for I/O use:
serial1=directserial realport:com1}
So in DOSBox, I enter that last line.
Then I launch the POLAR software.
And I check its default serial port:
"THE SELECTED SERIAL PORT FOR HR INPUT IS: COM1".
Then I instruct the heart monitor to transmit data. And the adapter's RX
LED illuminates red. But the POLAR software fails to detect data!
Please advise.
--
members.iinet.net.au/~kilgallin/
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