The avr-tools from wykys

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Tools for development of AVR microcontrollers.

License: MIT License

Python 23.78% Makefile 3.37% C 67.94% Assembly 2.74% Shell 2.17%

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avrdude: ser_open(): can't open device "-U": No such file or directory

When trying to use with Infiduino R3 UNO (clone of Arduino R3 UNO) on Debian 9.5, when I call make build-and-flash, I got the following message

╔════════════════════════╗ ╔════════════════════════╗
║    RAM MEMORY 3.4 %    ║ ║   FLASH MEMORY 3.7 %   ║
╟────────────────────────╢ ╟────────────────────────╢
║All:               2 KiB║ ║All:              32 KiB║
║Use:                69 B║ ║Use:            1.19 KiB║
║Free:           1.93 KiB║ ║Free:           30.8 KiB║
╚════════════════════════╝ ╚════════════════════════╝
Error: Device is not connect!

List all serial devices:
	/dev/ttyS0        n/a
	/dev/ttyACM0      ttyACM0


avrdude: ser_open(): can't open device "-U": No such file or directory

avrdude done.  Thank you.

Makefile:119: recipe for target 'flash' failed
make: *** [flash] Error 1

Checking the Makefile reveals that it tries to run find-serial.py, but this ends by find-serial.py trying to call module serial, even thought there isn't any (virtual enviroment somehow isn't running).

Possible solutions: installing pySerial globally via pip or defining serial device in Makefile

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