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Forum Index : Microcontroller and PC projects : Problem with OrangePI+Micromite Plus
| Author | Message | ||||
sagt3k Guru  Joined: 01/02/2015 Location: ItalyPosts: 313 |
Hi to everybody I have a strange problem. I have a board OrangePI-Lite with Linux Armbian. I do not have problems to connect microUSB modules as CP2102, that the system recognizes as ttyUSB0, but when I plug a micromite Plus 64 pin, the system recognizes as ttyACM0 that is normal but with minicom I can't connect. dmesg return: [ 2925.677053] ehci_irq: highspeed device connect [ 2925.820047] ehci_irq: highspeed device disconnect [ 2925.820077] ohci_irq: fullspeed or lowspeed device connect [ 2926.240098] usb 7-1: new full-speed USB device number 10 using sunxi-ohci [ 2926.493293] cdc_acm 7-1:1.0: ttyACM0: USB ACM device and lsusb return: Bus 007 Device 010: ID 04d8:fd52 Microchip Technology, Inc. minicom setting: | A - Serial Device : /dev/ttyACM0 | | B - Lockfile Location : /var/lock | | C - Callin Program : | | D - Callout Program : | | E - Bps/Par/Bits : 115200 8N1 | | F - Hardware Flow Control : No | | G - Software Flow Control : No While with my PC + Linux Debian I connect micromite Plus and works all perfectly. Could anyone give me some useful information to connect micromite plus with orangepi ? Thanks sagt3k |
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| JohnS Guru Joined: 18/11/2011 Location: United KingdomPosts: 3663 |
What command line & what happens when you try with minicom? John |
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TassyJim Guru Joined: 07/08/2011 Location: AustraliaPosts: 5914 |
I think that minicom thinks the micromite is a modem and is expecting some modem stye responses. You might be able to tell minicom that it is a plain serial port or you might be able to create a symbolic link to a tty device to fool minicom. Please don't ask me how to do any of the above. Jim VK7JH MMedit MMBasic Help |
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| sagt3k Guru Joined: 01/02/2015 Location: ItalyPosts: 313 |
Hi TassyJim I do not think minicom does not work. In fact I tried on a Raspberry and working properly. Dmesg on Raspberry: [ 88.896470] usb 1-1.4: Product: Micromite Plus [ 88.896476] usb 1-1.4: Manufacturer: Silicon Chip [ 88.910402] cdc_acm 1-1.4:1.0: ttyACM0: USB ACM device [ 88.911673] usbcore: registered new interface driver cdc_acm [ 88.911682] cdc_acm: USB Abstract Control Model driver for USB modems and ISD N adapters at this point I think that armbian not be completely compatible, maybe the CDC driver on kernel is not optimized. If someone tests on these boards let me know Thanks sagt3k |
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Quazee137 Guru Joined: 07/08/2016 Location: United StatesPosts: 523 |
Hope this helps. minicom --color=on ttyACM0 just to see if you get to ttyACM0 if I try minicom --color=on ttyACM1 or any thing other than 0 minicom: cannot open /dev/tty8: Permission denied I get the error because ttyACM1 is not there. this works too minicom --color=on -b 38400 ttyACM0 but if I try other bauds it does not open a terminal. My Mite is set to 38400 |
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| sagt3k Guru Joined: 01/02/2015 Location: ItalyPosts: 313 |
Hi Quazee137 Thanks but but it doesn't work  root@orangepilite:/dev# minicom --color=on -b 38400 /dev/ttyACM0 minicom: cannot open /dev/modem: No such file or directory root@orangepilite:/dev# minicom --color=on -b 38400 ttyACM0 minicom: cannot open /dev/modem: No such file or directory root@orangepilite:/dev# Sagt3k |
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| Quazee137 Guru Joined: 07/08/2016 Location: United StatesPosts: 523 |
for testing minicom try minicom --color=on -b 38400 /dev/ttyUSBx with USB serial and rx-tx shorted for feed back. dumb typewriter mode. here is my little comm's test bash #!/bin/bash echo "------- USB's ---------" ls /dev/ttyUSB* echo echo "------- ACM's ---------" ls /dev/ttyACM* echo echo "------- lsusb ---------" read $key lsusb echo "press key to exit" read $key exit and this launches my army of Mites for testing #!/bin/bash if [ -e "/dev/ttyUSB0" ] ; then gnome-terminal -t USB0, -e "minicom --color=on ttyUSB0" ;fi if [ -e "/dev/ttyUSB1" ] ; then gnome-terminal -t USB1, -e "minicom --color=on ttyUSB1" ;fi if [ -e "/dev/ttyUSB2" ] ; then gnome-terminal -t USB2, -e "minicom --color=on ttyUSB2" ;fi if [ -e "/dev/ttyUSB3" ] ; then gnome-terminal -t USB3, -e "minicom --color=on ttyUSB3" ;fi if [ -e "/dev/ttyUSB4" ] ; then gnome-terminal -t USB4, -e "minicom --color=on ttyUSB4" ;fi if [ -e "/dev/ttyUSB5" ] ; then gnome-terminal -t USB5, -e "minicom --color=on ttyUSB5" ;fi if [ -e "/dev/ttyACM0" ] ; then gnome-terminal -t ACM0, -e "minicom --color=on ttyACM0" ;fi if [ -e "/dev/ttyACM1" ] ; then gnome-terminal -t ACM1, -e "minicom --color=on ttyACM1" ;fi # x-tile g 2 3 #play /home/papa/Sounds/BeatPlucker.ogg #read $key # testing code commented out # ls -la /dev/tty* Luck Quazee137 Just info more info May help looking at this |
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