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Asked on Super User by mike, 1 year ago. No reply there for at least a week.

Adafruit MCP2111 board gpioget: error reading GPIO values: No such file or directory

When plugging in a Adafruit MCP2111 board, and running gpioget 1 0 gpioget: error reading GPIO values: No such file or directory the board is detected: lsusb Bus 006 Device 002: ID 04d8:00dd Microchip Technology, Inc. MCP2221(a) UART/I2C Bridge dmesg identifies the board: [ 126.875885] usbcore: registered new interface driver cdc_acm [ 126.875889] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 126.894934] mcp2221 0003:04D8:00DD.0003: USB HID v1.11 Device [Microchip Technology Inc. MCP2221 USB-I2C/UART Combo] on usb-0000:00:1d.0-2/input2 drivers are loading fine:

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Adafruit MCP2111 board gpioget: error reading GPIO values: No such file or directory

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