I did as suggested with the lsusb/dmesg. It looks to me that the adapter is detected but the presence of the DMM into the adapter is not sensed. Agree? Maybe it does not matter. Just proceed as if the DMM is seen?
denis@denis-ThinkPad-L420:~$ lsusb Bus 002 Device 003: ID 5986:03b4 Acer, Inc Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 005: ID 0a5c:217f Broadcom Corp. BCM2045B (BDC-2.1) Bus 001 Device 004: ID 147e:1002 Upek Biometric Touchchip/Touchstrip Fingerprint Sensor Bus 001 Device 003: ID 046d:c52f Logitech, Inc. Unifying Receiver Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub denis@denis-ThinkPad-L420:~$ echo "plug in adapter" plug in adapter denis@denis-ThinkPad-L420:~$ lsusb Bus 002 Device 003: ID 5986:03b4 Acer, Inc Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 005: ID 0a5c:217f Broadcom Corp. BCM2045B (BDC-2.1) Bus 001 Device 004: ID 147e:1002 Upek Biometric Touchchip/Touchstrip Fingerprint Sensor Bus 001 Device 003: ID 046d:c52f Logitech, Inc. Unifying Receiver Bus 001 Device 010: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub denis@denis-ThinkPad-L420:~$ dmesg | tail [ 1644.159431] usb 1-1.1: new full-speed USB device number 10 using ehci-pci [ 1644.254151] usb 1-1.1: New USB device found, idVendor=067b, idProduct=2303 [ 1644.254161] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 1644.254166] usb 1-1.1: Product: USB-Serial Controller [ 1644.254171] usb 1-1.1: Manufacturer: Prolific Technology Inc. [ 1644.254871] pl2303 1-1.1:1.0: pl2303 converter detected [ 1644.256811] usb 1-1.1: pl2303 converter now attached to ttyUSB0 [ 1656.448343] psmouse serio4: TouchPad at isa0060/serio4/input0 lost sync at byte 4 [ 1656.449700] psmouse serio4: TouchPad at isa0060/serio4/input0 lost sync at byte 1 [ 1656.471655] psmouse serio4: TouchPad at isa0060/serio4/input0 - driver resynced. denis@denis-ThinkPad-L420:~$ echo "plug in DMM" plug in DMM denis@denis-ThinkPad-L420:~$ lsusb Bus 002 Device 003: ID 5986:03b4 Acer, Inc Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 005: ID 0a5c:217f Broadcom Corp. BCM2045B (BDC-2.1) Bus 001 Device 004: ID 147e:1002 Upek Biometric Touchchip/Touchstrip Fingerprint Sensor Bus 001 Device 003: ID 046d:c52f Logitech, Inc. Unifying Receiver Bus 001 Device 010: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub denis@denis-ThinkPad-L420:~$ dmesg | tail [ 1644.159431] usb 1-1.1: new full-speed USB device number 10 using ehci-pci [ 1644.254151] usb 1-1.1: New USB device found, idVendor=067b, idProduct=2303 [ 1644.254161] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 1644.254166] usb 1-1.1: Product: USB-Serial Controller [ 1644.254171] usb 1-1.1: Manufacturer: Prolific Technology Inc. [ 1644.254871] pl2303 1-1.1:1.0: pl2303 converter detected [ 1644.256811] usb 1-1.1: pl2303 converter now attached to ttyUSB0 [ 1656.448343] psmouse serio4: TouchPad at isa0060/serio4/input0 lost sync at byte 4 [ 1656.449700] psmouse serio4: TouchPad at isa0060/serio4/input0 lost sync at byte 1 [ 1656.471655] psmouse serio4: TouchPad at isa0060/serio4/input0 - driver resynced. denis@denis-ThinkPad-L420:~$ On Wed, Dec 6, 2017 at 11:25 PM, Russell Senior <russ...@personaltelco.net> wrote: > There is an example on the wiki page: > > https://sigrok.org/wiki/MASTECH_MAS345 > > that says: > > sigrok-cli --driver mastech-mas345:conn=/dev/ttyUSB0 --samples 10 > > I would try that. That might or might not be the right serial device > (i.e. ttyUSB0)... check dmesg, unplug/replug your cable and check > again, if necessary. > > On Wed, Dec 6, 2017 at 9:14 PM, Denis Heidtmann > <denis.heidtm...@gmail.com> wrote: > > I agree completely. I have downloaded sigrok-cli. Now I have to try to > > understand how to use it. (I feel a bit overwhelmed.) > > Where do I put the driver? Is output/input with respect to the external > > device or the software? I assume the device, judging by the longer list > of > > output formats. What is the protocol? Do I need to know, or will the > > driver decide? > > > > sigrok-cli -V > > sigrok-cli 0.5.0 > > > > Using libsigrok 0.3.0 (lib version 2:0:0). > > Using libsigrokdecode 0.3.0 (lib version 2:0:0). > > > > Supported hardware drivers: > > . > > . > > . > > mastech-mas345 MASTECH MAS345 > > . > > . > > . > > Supported input formats: > > binary Raw binary > > chronovu-la8 ChronoVu LA8 > > csv Comma-separated values (CSV) > > vcd Value Change Dump > > wav WAV file > > > > Supported output formats: > > analog Analog data > > ascii ASCII > > binary Raw binary > > bits Bits > > chronovu-la8 ChronoVu LA8 > > csv Comma-separated values (CSV) > > gnuplot Gnuplot > > hex Hexadecimal > > ols OpenBench Logic Sniffer > > vcd Value Change Dump (VCD) > > > > Supported protocol decoders: > > avr_isp AVR In-System Programming > > can Controller Area Network > > dcf77 DCF77 time protocol > > ds1307 Dallas DS1307 > > edid Extended Display Identification Data > > guess_bitrate Guess bitrate/baudrate > > i2c Inter-Integrated Circuit > > i2cdemux I²C demultiplexer > > i2cfilter I²C filter > > i2s Integrated Interchip Sound > > ir_nec IR NEC > > ir_rc5 IR RC-5 > > jtag Joint Test Action Group (IEEE 1149.1) > > jtag_stm32 Joint Test Action Group / ST STM32 > > lm75 National LM75 > > lpc Low-Pin-Count > > maxim_ds28ea00 Maxim DS28EA00 1-Wire digital thermometer > > midi Musical Instrument Digital Interface > > mlx90614 Melexis MLX90614 > > mx25lxx05d Macronix MX25Lxx05D > > mxc6225xu MEMSIC MXC6225XU > > nunchuk Nintendo Wii Nunchuk > > onewire_link 1-Wire serial communication bus (link layer) > > onewire_network 1-Wire serial communication bus (network layer) > > pan1321 Panasonic PAN1321 > > parallel Parallel sync bus > > rgb_led_spi RGB LED string decoder (SPI) > > rtc8564 Epson RTC-8564 JE/NB > > sdcard_spi Secure Digital card (SPI mode) > > spi Serial Peripheral Interface > > tlc5620 Texas Instruments TLC5620 > > uart Universal Asynchronous Receiver/Transmitter > > usb_packet Universal Serial Bus (LS/FS) packet > > usb_signalling Universal Serial Bus (LS/FS) signalling > > xfp 10 Gigabit Small Form Factor Pluggable Module > (XFP) > > z80 Zilog Z80 CPU > > > > > > On Wed, Dec 6, 2017 at 3:17 PM, Russell Senior < > russ...@personaltelco.net> > > wrote: > > > >> The sigrok route is probably a better investment of your time than a > >> vendor-software horror show, imho. > >> > >> On Wed, Dec 6, 2017 at 3:02 PM, Denis Heidtmann > >> <denis.heidtm...@gmail.com> wrote: > >> > here is the link: > >> > > >> > https://sigrok.org/wiki/Multimeter_ICs#Metex_14-byte_ASCII > >> > > >> > I would need to study it and educate myself on how to make use of it. > >> > > >> > -Denis > >> > > >> > On Wed, Dec 6, 2017 at 2:29 PM, Denis Heidtmann < > >> denis.heidtm...@gmail.com> > >> > wrote: > >> > > >> >> I have found this: > >> >> Protocol > >> >> > >> >> The protocol is (partially) documented in the vendor software's > "Help" > >> >> window (seems to apply to MAS343, MAS344, and MAS345; the M9803R > >> protocol > >> >> is different). > >> >> > >> >> See Multimeter_ICs#Metex_14-byte_ASCII for the DMM IC protocol. > >> >> > >> >> I looked in the software's help window, but with the sw I have there > is > >> no > >> >> discussion of protocol. Maybe the note above is referring to other > >> >> software. The MAS344 is not a current instrument. > >> >> > >> >> > >> >> On Wed, Dec 6, 2017 at 2:15 PM, Russell Senior < > >> russ...@personaltelco.net> > >> >> wrote: > >> >> > >> >>> Have you googled at all about the protocol? You might be able to > just > >> >>> talk ASCII at it from Linux and get what you need. > >> >>> > >> >>> On Wed, Dec 6, 2017 at 1:22 PM, Denis Heidtmann > >> >>> <denis.heidtm...@gmail.com> wrote: > >> >>> > I want to use a DMM with a serial connection. The sw for the DMM > is > >> for > >> >>> > windows. It runs under Win2k (guest) on the desktop which has a > >> serial > >> >>> > port. Is it possible to get it to run under Win2k (guest) on the > >> >>> laptop > >> >>> > which does not have a serial port? I purchased a Sabrent usb to > >> serial > >> >>> > adapter that I hoped to use for this. > >> >>> > > >> >>> > I expect the problem is that I cannot get VB to pass the virtual > com > >> >>> port > >> >>> > data from the guest to the usb port in the host (ubuntu). If > this is > >> >>> > impossible or too difficult to be practical I will pursue linux sw > >> for > >> >>> the > >> >>> > DMM, although I may run into a similar problem. The DMM is > Mastech > >> >>> MAS-344. > >> >>> > > >> >>> > Thanks for any clues. > >> >>> > > >> >>> > -Denis > >> >>> > _______________________________________________ > >> >>> > PLUG mailing list > >> >>> > PLUG@pdxlinux.org > >> >>> > http://lists.pdxlinux.org/mailman/listinfo/plug > >> >>> _______________________________________________ > >> >>> PLUG mailing list > >> >>> PLUG@pdxlinux.org > >> >>> http://lists.pdxlinux.org/mailman/listinfo/plug > >> >>> > >> >> > >> >> > >> > _______________________________________________ > >> > PLUG mailing list > >> > PLUG@pdxlinux.org > >> > http://lists.pdxlinux.org/mailman/listinfo/plug > >> _______________________________________________ > >> PLUG mailing list > >> PLUG@pdxlinux.org > >> http://lists.pdxlinux.org/mailman/listinfo/plug > >> > > _______________________________________________ > > PLUG mailing list > > PLUG@pdxlinux.org > > http://lists.pdxlinux.org/mailman/listinfo/plug > _______________________________________________ > PLUG mailing list > PLUG@pdxlinux.org > http://lists.pdxlinux.org/mailman/listinfo/plug > _______________________________________________ PLUG mailing list PLUG@pdxlinux.org http://lists.pdxlinux.org/mailman/listinfo/plug