fixed stupid bug

remove flood in case of error

fixed USB

added russian manual for USB-GPIO

SPI works, may say it's over

add SPI, not working yet (also need to set SPOL/SPHA etc)

I2C works

PWM works

start adding PWM

add "hex+text" input

OK, USART works, maybe add HEX input?

USART almost working (but hangs on long messages)

cont

start with USART (now DEBUG-compile is unavialable)

add ADC & ADC monitoring