readme: document new serial commands

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Julian Daube 2019-10-22 13:45:51 +02:00
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commit 5934b7f2d4
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@ -20,4 +20,8 @@ Upon connecting the stm32 to a PC using USB it will register itself as a new Ser
- `L[number]\n` or `R[number]\n` will activate an attenuator in either the left or the right channel. [number] is once again in dB. It works much like the `G`-command. Setting [number] to 0 will deactivate the Attenuation.
- `B[number]\n` or `T[number]\n` adds **B**ass or **T**reble gain to the output
- `M[0/1]\n` will either mute or unmute the output
- `S[0/1]\n` will connect all inputs to the output