Omega Talk

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  Small bug in oled-exp
  oled-exp • • Kit Bishop  

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  good eye! it's fixed, i'll post an update when the fix makes it to a firmware build.
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  python oledExp needs a raw output method
  python oled • • PK Shiu  

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  Hi @PK-Shiu The OLED library was recently expanded to include a function that writes a single byte of data to the screen. Please take a look at the OLED library documentation: https://wiki.onion.io/Documentation/Libraries/OLED-Expansion-Library
• K

  Request for a Motor Control Expansion
  motor control • • Kit Bishop  

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  Expansion request
  expansion relay request • • Anders Öster  

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  @Anders-Öster, The input to the PowerSwitch Tail is an optocoupler, with an input current range of about 3 - 30mA at a forward voltage of about 1.4V in the "ON" state. The modifications I have proposed will allow the Omega (whose I/O circuitry runs off a 2.5V supply) to provide at least 3mA when ON. If a 5V input is used instead of the Omega, the input current (with these modifications) becomes about 15mA, which is still well within the operating range for the PowerSwitch Tail's input current.
• W

  Cross Compling Code
  cross compile • • will burke  

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  @will-burke Have had a play with the code you sent. It all looks good and (as far as I can tell without having an I2c to SPI bridge myself) works as intented. Except for getting the Aborted at the end. I'm not sure why this would be so, but it seems to be due to creating i2cspi in i2c_spi_bridge.c on the stack rather than the heap. I made changes to i2c_spi_bridge.c to allocate i2cspi on the heap (this is the changed file: i2c_spi_bridge.c ). The changes consist of: Changing the line: SC18IS602 i2cspi=SC18IS602(SC18IS602_ADDRESS_000); to SC18IS602 * i2cspi=new SC18IS602(SC18IS602_ADDRESS_000); Replacing all instances of i2cspi. to i2cspi-> Ensuring that delete i2cspi; is called before exit. Now all seems to be running OK. I have also taken the liberty of making some small changes to the following files which I also attach: onion-debug.c - the path is not needed in the #include since it is taken care of by the -I used in build_test1 build_test1 - have removed the -L and -l stuff from the link step. You are not actually linking to these libraries since you build the .o files and include them already in the link step. Hope this all helps.
• M

  General feedback on the Onion Omega
  onion omega feedback suggestions • • Matt Ogborne  

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  @Matt-Ogborne I wonder if issues you may be having with pasting into the Console Text Editor (it appears you can't "paste" in from an external source) may be related to issues with your OS and/or browser. I am using Windows 10 and Firefox browser and can copy text from a document under a completely separate program and paste it in Console Text Editor. I cannot however copy a file from From File Explorer and then paste it - but that doesn't really surprise me.
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  GPIO output voltage vs. output current graph
  gpio onion output atheros • • Jeff Verive  

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  @Jeff-Verive Thanks for this - very useful. Lesson from this is not to draw too much current from an output pin if it is also connected to an input pin Any info yet on the odd behaviour of GPIO Pin 12?
• W

  I2C VS GPIO
  gpio i2c i2c-tools • • will burke  

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  @will-burke Yes. Unless your I2C device has built in pull-up resistors you should always have a pull-up resistor on each of the I2C SDA and SCL lines. Only one resistor is needed on these lines no matter how many I2C devices you have connected. I2C protocol depends on these lines being pulled high when no I2C device is actively pulling them low.
• V

  BLE Dongle Drivers
  bluetooth ble • • Vitalii Topoliuk  

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  Hi @Boken-Lin - Recieved my BLE expansion - but looking not sure how to control/see it . You speak of a page, but no link - can you please direct me in to the right place? I am running newest firmware. Thanks so much!
• A

  Omega with Test firmware - Tech support not responding
  support wrong firmware • • Avi Lior  

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  @Gabriel-Ongpauco said: @chris-mccaslin: The general process is as follows: set up a TFTP server on another computer connected to your LAN/wireless network host an image of the proper Omega firmware on the computer from http://repo.onion.io/omega/images/ connect the Omega in question to your LAN with the Ethernet Expansion point the Omega to the TFTP server via your computer's IP and the image file name to flash it This is the rough idea of how it will go, and we are still working on the documentation for it. We will be looking into this more this week. well I got the tftp server set up with the image. having a hard time pointing the omega to the server ..
• 

  Reflashing problem?
  help ethernet flash • • Chris McCaslin  

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  Hi Chris, I will order a replacement shipment for your Omega as it should not have shipped with the testing firmware. I apologize for the inconvenience!
• C

  Convert a regular USB hard drive to networked drive
  usb wireless storage netatalk • • cubytus  

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  @Patrick-Nou You are probably right about the power. FTP and SCP are the only ones I know about since I use them and they do all I want. However, a quick search also suggests that there is a SAMBA server available on the Omega. Doing opkg list samba* shows: samba36-client - 3.6.25-5 - Samba 3.6 SMB/CIFS client samba36-server - 3.6.25-5 - The Samba software suite is a collection of programs that implements the SMB protocol for UNIX systems, allowing you to serve files and printers to Windows, NT, OS/2 and DOS clients. This protocol is sometimes also referred to as the LanManager or Netbios protocol.
• E

  Reboot and / or Shutdown script to run if anything causes reboot unintentially
  omega reboot script interrupt reboot shutdown • • esunayg  

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  Thank you @kit-bishop, I will read them.
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  Driver for 1-Wire sensor bus
  sensor temperature 1-wire • • Omega303  

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  @Ian-Pun That is a great example to work from. Thank you. Only problem I have now is trying to convert the temp into F. I have tried adding the calculations in everywhere I can think of and I just get errors. Any help would be great. I am real new to python programing. Thanks again. Dan
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  Ability to build firmware ourselves
  omega firmware openwrt • • Valentin Haenel  

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  @Valentin-Haenel As indicated by @Zheng-Han , it is possible to create your own copy of the firmware using the instructions he gives - I have successfully done so and installed and tested it on my Omega. Be warned that this is not a trivial procedure and you will need to ensure that your package selection is correct otherwise you may have problems running the Omega. Also, firmware built doing this will lack any of the Omega branding and customisations - partly because the core code is not Omega specific (a copy of the official repository has been requested but is not forthcoming yet) and partly because it is unclear as to precisely what packages need to be included. If you do manage to get a copy of the firmware built and installed and running on your Omega, you may well need to get you Omega back to running an official copy of the firmware at some stage. You can do this as follows: Copy the most recent Omega firmware image from http://repo.onion.io/omega/images/ - probably omega-v0.0.6-b277.bin and copy it to your Omega to the /tmp directory On your Omega, from the /tmp directory, run sysupgrade <image-file-name> where <image-file-name> is the name of the image file copied as above and wait for your Omega to reboot - will take some while.
• A

  How many WiFi interfaces has Onion Omega?
  wifi • • Andrey Zolotarev  

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  https://wiki.onion.io/Tutorials/Using-Omega-As-Wifi-Range-Extender
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  Main Dock still not shipped!
  shipment • • Shamyl Mansoor  

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  Best is if you make a ticket > https://onion.freshdesk.com/support/home And inform all your infos you have made about your pledge.
• P

  Empty onion?
  firmware not working • • paulo eduardo ubaldino de souza  

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  I'm not sure what's happening with this onion. Now, I have to connect and reboot to make it starts. The other one I have works fine.
• A

  Omega shipped with wrong firmware how to flash
  omega httpd • • Avi Lior  

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  Here is the output. Looks exactly like another user (Andrew Donnely) whom you are helping. Note I already opened a ticket with help desk. (Ticket 1068). U-Boot 1.1.4 (Aug 28 2015 - 16:51:26) AP121 (ar9331) U-boot DRAM: 64 MB Top of RAM usable for U-Boot at: 84000000 Reserving 140k for U-Boot at: 83fdc000 Reserving 192k for malloc() at: 83fac000 Reserving 44 Bytes for Board Info at: 83fabfd4 Reserving 36 Bytes for Global Data at: 83fabfb0 Reserving 128k for boot params() at: 83f8bfb0 Stack Pointer at: 83f8bf98 Now running in RAM - U-Boot at: 83fdc000 Flash Manuf Id 0xef, DeviceId0 0x40, DeviceId1 0x18 flash size 16777216, sector count = 256 Flash: 16 MB Using default environment In: serial Out: serial Err: serial Net: ag7240_enet_initialize... Fetching MAC Address from 0x83ff4068 Fetching MAC Address from 0x83ff4068 : cfg1 0x5 cfg2 0x7114 eth0: 00:03:7f:11:40:00 eth0 up : cfg1 0xf cfg2 0x7214 eth1: 00:03:7f:11:40:01 athrs26_reg_init_lan ATHRS26: resetting s26 ATHRS26: s26 reset done eth1 up eth0, eth1 Hit any key to stop autoboot: 0 ar7240>help reset - Perform RESET of the CPU ? - alias for 'help' boot - boot default, i.e., run 'bootcmd' bootd - boot default, i.e., run 'bootcmd' bootm - boot application image from memory cp - memory copy erase - erase FLASH memory help - print online help md - memory display mm - memory modify (auto-incrementing) mtest - simple RAM test mw - memory write (fill) nm - memory modify (constant address) ping - send ICMP ECHO_REQUEST to network host printenv- print environment variables progmac - Set ethernet MAC addresses run - run commands in an environment variable setenv - set environment variables tftpboot- boot image via network using TFTP protocol version - print monitor version ar7240>
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  Omega getting too hot to the touch
  wifi omega mini dock hot • • Jeff Verive  

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  @esunayg, I'm just plugging the Omega into the mini dock with nothing other than power through the micro-USB port. My other two Omega units run just slightly warm,