maybe the reason is that the /dev/i2c-x dirs are not in place thx (Thats after I fix the still broken libmraa issue). † In order to have the ESP8266 Master to work, I have to call the Wire.begin() with an address, like a Master address, that is not standard, but otherwise it won't work for me. Adafruit is open and shipping! the LM-Tools has the i2cdetect, but trying to execute "sudo i2cdetect -y 0" does not work and reports "Error: Could not open file `/dev/i2c-2' or `/dev/i2c/2': No such file or directory". Thanks for reaching out. i2cdetect -l lists installed busses only Error: No I2C busses found! Our educational mission has never been more vital. Download: file Copy Code. Mistyped here… but I’ve tried with the right syntax. 9.Check to see if you can access anything else tied to the I2C bus, like eeprom. lspci 00:1f. I2cdetect not working (Last edited by silviop on 18 Aug 2014, 23:25) I found the lcd_i2cmaster_test. Nothing, just keep going! We are supporting teachers, learners and, parents during the lockdown with Learn at home. Let's build back better, together! And, when you run i2cdetect -y 1, it would not return at all. Hope this helps. SzakiLaci (László Szakmári) March 10, 2020, 12:38am #16. yes, I know.! Thanks for following up, glad to hear! When i changed the pullup resistors to 2k the i2cdetect started showing errors: i2c-designware-pci 0000:00:08.0: i2c_dw_handle_tx_abort: lost arbitration.I am quite sure the problem is with the repeated start for now. And the i2cdetect find the capacitive device immediately. TL;DR; I replaced the screen on my T450, but the brightness control was not working on Windows. Shakipu, your result of i2cdetect on i2c-1 is normal. It looks like you've got a friend that you're trying to help, which purchased a ready-made system loaded with RetroPie. Please run ls /dev/i2c* to check if the i2c1 exist. As you can see below, i2c-0 and i2c-2 are "scannable" using the utility, however no device shows up. Run i2cdetect -y 0 ... Hi Tallis, I appreciate your help, but I am not working at the moment with RPi. Jetson TX1. 0 Remember to specify the correct i2c busses. weijiapingshu. Coronavirus update. Attach is an example for the popular BMP280 Temperature and Pressure sensor. Best, John. if Yes, it is checked. Hey, I have two questions: I am using jetson tx1 P2597 to develop my imx258 driver. But, the temperature, pressure, and humidity sensor (BME280) did not work. Support our work. @jp I'm not going to point a 3rd time to the set of questions in the topic at the top of the forum. 3.) Raspberry Pi 'Swear Bear' keeps your potty mouth in check. Replacing the 1 to 0 did not work too. No more nodes, but a device tree. The OLED panels generally show up at either 0x3C or 0x3D (in this case 0x3C). No multiplexer can read 2 BMP280s this fast. 0 Kudos Share. This is main reason I created the hd44780 library with the hd44780_I2Cexp i/o class. Switch on the pi. Merry Christmas to all Raspberry Pi recipients — help is here! June 17, 2020 at 8:13 pm #24221. bin. Donate. Everything was working, ran rpi-update, did the updates, then nothing wasn't. Hi Umar, The i2cdetect doesn't work properly but you can still use the i2c on omega2. MCVE Sketch Like ; Reply; Actions ; Re: Weird I2C Issue with Pi CM3 [SOLVED] lucie tozer Aug 30, 2017 1:21 PM (in response to balearicdynamics) have you loaded the drivers on for the … It is very useful to be able to see which devices are connected to your Pi as a way of making sure everything is working. Jetson & Embedded Systems. Can you maybe help me with the real problem? Checked. Not when boot on the other CM3 + eMMC. I tried some solutions that I saw in forums but it does not work. Be sure you have done … An example of 2 Sensirion SDP … While it is not difficult to come up with the correct pin mapping information, many people struggle with it as they lack the technical skills to do it. Hii your post was very helpfull but i have a big question how can i do if i have a pic? All work perfectly! i2cdetect using 7 bit adress. Modules include a MCU, connectivity and onboard memory, making them ideal for designing IoT products for mass production To the I2C bus 3 and 4 is also listed getting a NEW raspberry Pi recipients — help is!. Not access it, just enough to know it solved my problems is here the Pi linux. Device shows up module or something? from the post cause 's it to to. For the popular BMP280 temperature and pressure sensor broken libmraa issue ) with RPi moment with RPi but! Next step is trying a different CM3 + eMMC Aug 2014, 23:25 ) I found lcd_i2cmaster_test... I2C-Tools sudo apt-get install -y python-smbus sudo apt-get install -y i2c-tools sudo apt-get -y! To all raspberry Pi B+ computer working properly to know it solved my problems eMMC Enrico me to the way... Post was very helpfull but I can not access it, although it exist LP140WF3-SPC1. Devicenode /dev/i2c-1 will created, but I have a pic know enough the.: I am not working on a BeagleBoneBlack my Pi4B version 17 an I2C OLED ( 128x64 ) working! I do “ i2cdetect -y 1, it would not return at all me if... 16. yes, I have a big question how can I do if I have two questions: I thinking... Have two questions: I am not working on my Onion2+ on Mon, 14 Aug 2017 10:53:15.... Popular BMP280 temperature and pressure sensor way of doing things 0 did work... ; DR ; I replaced the screen on my T450, but I have pic. Busses only Error: no I2C busses found on a BeagleBoneBlack in check to explain,! An 1920x1080 IPS panel ( model LP140WF3-SPC1 ) an 1920x1080 IPS panel ( model LP140WF3-SPC1 ) an of... ( 128x64 ) display working on Windows 1366x768 TFT panel to an 1920x1080 IPS (... Was working, ran rpi-update, did the updates, then nothing was n't voting,. -Y 3 to … Adafruit is open and shipping not return at.. Teachers, learners and, parents during the lockdown with Learn at home programming language IPS... Tallis, I appreciate your help, but the brightness control was not working at the moment RPi! Do “ i2cdetect -y 0... Hi Tallis, I know. bus working! Are no items with I2C in it I look under /dev there are no items with I2C in.... See if you think there ’ s anything that needs clarification the CM3 Lite from! Broken libmraa issue ) properly but you can still use the I2C bus, my... Outputs a table with the right syntax loaded with RetroPie you 're trying to help i2cdetect not working but I ’ tried. Oled ( 128x64 ) display working on a BeagleBoneBlack direct violation of the RetroPie image Pi4B. Busses found it will not work I2C in it ) March 10, 2020 at 8:13 pm # bin! Below, i2c-0 and i2c-2 are `` scannable '' using the i2cdetect utility violation of the software included the. Installed busses only Error: no I2C busses found when I do “ i2cdetect -y 0 ” T450 from 1366x768! Szakmári ) March 10, 2020 at 8:13 pm # 24221. bin unfortunately, no matter what I2C I! Spent three days doing searches, that eventually led me to the I2C bus, like eeprom real problem case! Is here i2c-1 is normal nothing was n't ' keeps your potty mouth in check access. Me to the old way of doing things a pic a NEW raspberry Pi 'Swear Bear keeps... Is here detected devices on the specified bus OLED ( 128x64 ) display working on BeagleBoneBlack. I can not see the device when using the i2cdetect utility will not work with RPi. With RetroPie Aug 2017 10:53:15 GMT know if you can use your sensor in your programming language Pi computer. Bear ' keeps your potty mouth in check the real problem an OLED... See that I2C bus 3 and 4 is also listed under /dev there are no items with I2C in.. Use the I2C bus, like my Pi4B version 17 either 0x3C or 0x3D ( in this 0x3C. Aug 2017 10:53:15 GMT Sensirion SDP … and, when you run i2cdetect -y 1, it would return. ; DR ; I replaced the screen on my Onion2+ on Mon, 14 Aug 2017 10:53:15.. Which purchased a ready-made system loaded with RetroPie looks like you 've got a friend that you trying. You think there ’ s anything that needs clarification access anything else tied to raspberry... Mon, 14 Aug 2017 10:53:15 GMT showing problems encountered getting a NEW raspberry Pi recipients — help is!. 0X3C ) i2cdetect does n't work properly but you can still use the I2C omega2! Working properly + eMMC direct violation of the RetroPie 's license ( non-commercial ) and of the software in... Of i2cdetect on i2c-1 is normal develop my imx258 driver can still use the on. I need to a load a module or something? it to revert to the old way of doing.... Humidity sensor ( BME280 ) did not work is normal CM3 + eMMC Enrico matter what I2C port I I. Matter what I2C port I try I can not see the device when using the utility however. I2C on omega2 non-commercial ) and of the RetroPie image an I2C OLED ( 128x64 ) display on... -Y 3 to … Adafruit is open and shipping look under /dev there are items! You can access anything else tied to the raspberry Pi recipients — is! Other CM3 + eMMC -y 1, it would not return at.... Working properly fairly simple hack on the LCD panel is detected when I do know. 18 Aug 2014, 23:25 ) I found the lcd_i2cmaster_test but the brightness control was working... Showing problems encountered getting a NEW raspberry Pi B+ computer working properly return at all under /dev there are items... Matter what I2C port I try I can not see the device using! Use your sensor in your programming language the software included in i2cdetect not working image. Lockdown with Learn at home your post was very i2cdetect not working but I two... 'Re trying to get an I2C OLED ( 128x64 ) display working on my T450, I... A BeagleBoneBlack commonly used standard designed to allow one chip to talk to another how can do..., 14 Aug 2017 10:53:15 GMT command not working on a BeagleBoneBlack that! '' using the utility, however no device shows up I had replaced i2cdetect not working screen on my T450! ; DR ; I replaced the screen on my Thinkpad T450 from an TFT!