Write unit testing code for r/c command parsing
Allow PC_SIM target to do unit testing
Allow travis CI to automated testing
Indicate what assert has testing errors
Support 427
Initial commit for testing new board
Merge branch 'unit_testing' into 427
Finish spi, led, usart test
TODO: tim, i2c
Finish spi with MPU9250 and pwm output
Change path and file name
Fix tim1 issue
Send device address through I2C1
Push missing files
Rearrange files structure and move some codes
Clean some unused comment
Define some IO action
change the routine more reasonable
change dbg
First push of this world
Push missing gdb init