Huawei SUN2000: why using a USB dongle for monitoring is not a good idea

Intro I want to share what I found out regarding monitoring Huawei SUN2000 inverter using a Modbus/TCP method during my half-year journey with this inverter. Let’s start with some basics first:The inverter has internal WiFi access point built-in on its mother board. The main purpose …

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binding/unbinding usb drivers a.k.a. who stole my hidraw1 device file

Hi! Recently I was playing with using my HID device differently then usual: I used the libusb library. Instead opening a raw file /dev/hidraw1, I used libusb_open_device_with_vid_pid(). Everything was working properly, then it was a time to go back using the hidraw file… but wait: …

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