Input commands

[ishay320]

Get input for doing commands like:

tu2000

• [x] t - trigger
• [x] u - up
• [x] d - down
• [x] s - stop
• [x] v[Number] - number of adc
• [x] r[Number] - rewind

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• [ ] s - speed of reading to screen

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• [ ] o - output
• [ ] c - CDC usb
• [ ] u - UART
• [ ] s - screen

[ishay320]

fix not reading while outputing

[ishay320]

fixed