![]() ![]() To see which USB devices are attached I can use the lsusb command: lsusbīus 001 Device 002: ID 0424:9514 Standard Microsystems Corp.īus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hubīus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp.īus 001 Device 004: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter īus 001 Device 005: ID 046d:c52b Logitech, Inc. Where is My USB Port?Īfter connecting the USB CDC device to the Raspberry, the first problem is to know which device it is using. #Install usb cdc acm driver linux how to#I’m using USB CDC (see “ Tutorial: USB CDC with the KL25Z Freedom Board“) in many of my projects, so this is an elegant way how to communicate between the Raspberry Pi and an embedded microcontroller. ![]() USB CDC is a device class which implements a ‘serial over USB’ protocol. This article describes how to use the Raspberry Pi with devices connected to it using USB CDC. In a standard configuration with a USB WiFi and a USB HID (mouse plus keyboard) dongle I still can attach two Freescale (ahem, NXP) Freedom boards to the Raspberry Pi:įRDM-K22F and FRDM-K64F attached to Raspberry Pi 2 Outline USB has the advantage that it powers the board, plus I can attach multiple devices: up to four on the Raspberry Pi 2 and even more with using a USB hub. One way is to use USB CDC (Serial over USB) as communication channel. For my home automation project with openHAB I want to attach Freescale (now NXP) FRDM ( Freedom) boards so they can take care about the realtime aspects and to act as gateways to my other systems.
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