newlib uses significantly more stack space when printing to an unbuffered stream. To reduce the amount of stack space required to use the console, don’t disable buffering. linenoise should support unbuffered stdout instead.
1. add example test for i2c-tools 2. make command line arguments number configurable
1. add command i2cconfig 2. add command i2cdetect 3. add command i2cget 4. add command i2cset 5. add command i2cdump 6. add README.md
