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I have two Walmart ReliOn ULTRA Blood Glucose Meters that I would
like to use with GGC. Unfortunately, I can't get either meter to
talk to the software, so I'm trying to figure out whether my
problem is the meters, my cable, or some other assumption I'm
making.

After looking at GGC, especially test.c and ot_ultra.c and this
file:

  http://www.armory.com/~rstevew/Diabetes/OTUltraComm.pdf

it appeared that all I needed to do was send the meter a text
string and watch for a response. I plugged in my Abbott USB-serial
cable, the one with a "strip port plug" on the other end, fired up
a terminal emulator program called 'moserial', and set
port /dev/ttyUSB0 to 9600 Baud, 8 data bits, 1 stop bit, no parity,
and no handshaking. When I plugged the "strip port plug" into the
meter it flashed through its power-up display, briefly showed a
time and date at the bottom of the screen, then blanked that and
wrote "]--PC" at the top of the screen.

Unfortunately, I can't seem to get any further reaction out of the
meter. I've tried all sorts of "DMx" strings from the set listed in
the OTUltraComm.pdf file but nothing happens: the ULTRA screen does
not change, and I see no reply back through the USB "serial port".

Has anyone ever run into this before? Can anyone suggest
anything I could try to get past this point? Am I over-
looking some subtlety of test.c that makes my test invalid?

Now, I admit that I'm using a cable labeled "Abbott" to talk
to a meter sold by Walmart using protocols from a document
headed "LifeScan, a Johnson & Johnson company" but surely
nothing in that should cause me concern, right? <grin!>

That's the heart of my problem. The remainder of this message
is technical detail you can probably ignore, but it's there
Just In Case.

Thank you for your time.

Frank McKenney
-- 
  You don't grow up gradually. You grow up in short bursts at pivotal
  moments, by suddenly realizing how ignorant and immature you are.
                  -- Robert D. Kaplan / In Europe's Shadow
-- 
--------------------------------------------------------------------
The environment: Ubuntu 16.04.2 (xenial)
Two meters: Walmart ReliOn ULTIMA Blood Glucose Meters
 s/ns:      XGDR046-P0401 (perhaps five years old) and
            XDGW287-A01D0 (purchased two months ago)
The cable:  Abbot Diabetes Care USB Data Cable, REF 70845-01,
            LOT P097AK (purchased five years ago)
connectors: USB2 Type A Male, "strip port" plug

I'm trying to get the ULTRA to respond to something simple, so
I fire up the 'moserial' terminal program. After plugging the
USB2-A end of the cable into the Dell i660's front panel USB
port I find that it is recognized as '/dev/ttyUSB0' and seems to
use a TI 3410 chip. A green LED in the USB2-A connector lights up.

frank@baloo:~$ ls /dev/ttyU*
/dev/ttyUSB0

so I configure 'moserial' accordingly:

Device: /dev/ttyUSB0
Baud Rate: 9600
Data Bits: 8
Stop Bits: 1
Parity:    None
Handshaking: none
Outgoing: ASCII, CR+LF end.

I plug the "strip port" end of the cable into one of the meters.
The meter flashes its LCD "power-on" gibberish, the time and date
displays briefly at the bottom (button end) of the ULTIMA's LCD
screen, and then his is replaced by a single line of text at
the top: "]--PC"

So far, so good. I then type "DM*" and press the Enter key. No
change to the meter display, no data received by moserial. I
try "DM?" and press Enter. Identical lack of response.

------------------- console mesages via 'dmesg' -----------------
[1286527.815802] usb 1-1.1: USB disconnect, device number 27
[1286527.891122] usb 1-1.1: new full-speed USB device number 28
 using ehci-pci
[1286528.020812] usb 1-1.1: New USB device found, idVendor=1a61,
 idProduct=3420
[1286528.020817] usb 1-1.1: New USB device strings: Mfr=1,
 Product=2, SerialNumber=0
[1286528.020819] usb 1-1.1: Product: Abbott Strip Port Cable̒
[1286528.020822] usb 1-1.1: Manufacturer: Abbott Labs
[1286528.022145] ti_usb_3410_5052 1-1.1:1.0: TI USB 3410 1
 port adapter converter detected
[1286528.022158] ti_usb_3410_5052: probe of 1-1.1:1.0
 failed with error -5
[1286528.024074] ti_usb_3410_5052 1-1.1:2.0: TI USB 3410 1 port
 adapter converter detected
[1286528.024245] usb 1-1.1: TI USB 3410 1 port adapter converter
 now attached to ttyUSB0
------------------------------------------------------------
frank@baloo:~$ lsusb
...
Bus 001 Device 028: ID 1a61:3420 Abbott Diabetes Care 
...
frank@baloo:~$ sudo lsusb -d 1a61:3420 -v

Bus 001 Device 028: ID 1a61:3420 Abbott Diabetes Care 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass          255 Vendor Specific Class
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0         8
  idVendor           0x1a61 Abbott Diabetes Care
  idProduct          0x3420 
  bcdDevice            1.01
  iManufacturer           1 Abbott Labs
  iProduct                2 Abbott Strip Port Cable̒
  iSerial                 0 
  bNumConfigurations      2
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           25
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      0 
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x01  EP 1 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           39
    bNumInterfaces          1
    bConfigurationValue     2
    iConfiguration          0 
    bmAttributes         0xa0
      (Bus Powered)
      Remote Wakeup
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           3
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      0 
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x01  EP 1 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0002  1x 2 bytes
        bInterval               1
Device Status:     0x0001
  Self Powered
frank@baloo:~$ 

-- 
Frank McKenney, McKenney Associates
Richmond, Virginia / (804) 320-4887
E-mail: fra...@mi...

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