ĭuring the test session only two times an exception occured. I have now changed to have a 200ms delay between the two calls to the sensor. So to me it seems that this is kind of a high frequence call as did, because it is the second call immediately after the first to the sensor I discovered that always the readAmbientTempature() call failed. Return new Mlx90614SensorData(SensorDataQuality.Good, irtemperature.Celsius, Logger.Debug($"Reading Mlx90614 temperatures done") ambientTemperature = sensor.ReadAmbientTemperature() irtemperature = sensor.ReadObjectTemperature() Protected override Mlx90614SensorData GetSensorDataInternal() I have found one issue with my software how i am accessing the Mlx90614 temperature values: Sorry for the late replay (I have been busy demonstration my sensor prototype and code at a. dotnet -info on the machine where app is being run (not applicable for self-contained apps)īase Path: /home/pi/astro/dotnet3/sdk/3.0.100/.NET Core SDK (reflecting any global.json):īase Path: C:\Program Files\dotnet\sdk\3.0.100\ dotnet -info on the machine being used to build.System.IO.IOException: Error 121 performing I2C data transfer.Īt 2cDevice.ReadWriteInterfaceTransfer(Byte* writeBuffer, Byte* readBuffer, Int32 writeBufferLength, Int32 readBufferLength)Īt 2cDevice.Transfer(Byte* writeBuffer, Byte* readBuffer, Int32 writeBufferLength, Int32 readBufferLength)Īt 2cDevice.WriteRead(ReadOnlySpan 1 writeBuffer, Span1 readBuffer)Īt 90614.ReadTemperature(Byte register)Īt 90614.ReadAmbientTemperature()Īt .Mlx90614Reader.GetSensorDataInternal(I2cDevice i2cDevice) in C:\d\dn\Herzonaut\git\master\\Mlx90614Reader.cs:line 30Īt .AbstractI2CSensorReader`1.GetSensorData() in C:\d\dn\Herzonaut\git\master\\AbstractI2CSensorReader.cs:line 39 22:33:14.869 +01:00 Error while using Mlx90614Reader: Error 121 performing I2C data transfer. Sporadically I receive the following exception: I am creating the I2C device object every 5 seconds, because I have to create antoher I2c device object with different settings (for BME280) and I don't know if it is ok to have multiple at the same time. It works with all versions of Raspberry Pi, as all the tool does is decompress the image to an external storage drive.Var settings = new I2cConnectionSettings (busId, i2CAddress ) using ( I2cDevice i2c = I2cDevice. Therefore, if you want to install an image on Raspberry Pi, this is the best tool on the market for this purpose. Thanks to this, you can remotely control some distros from your computer or device without having to connect the Raspberry Pi to a monitor. In addition, you can preset some settings in the distro you install, including the Wi-Fi password or the time zone. You can also install LibreELEC, OSMC, Octopi, RetroPie, Recalbox, Home Assistant, and basically any operating system designed for the ARM architecture of these small computers.įlashing an image with Raspberry Pi Imager is as easy as choosing the system, selecting the storage drive where you want to install it, and hitting write. Raspberry Pi Imager has several images included by default, including general-purpose systems such as Raspberry Pi OS, Ubuntu, and Manjaro. With it, you can install an image on a USB stick, SSD, or microSD card and insert it into your Raspberry Pi. Raspberry Pi Imager is the official Raspberry Pi Foundation application for flashing images, ROMs, and operating systems with Raspberry Pi.
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