baudrate=19200
VARIABLES
command=Input from input_cmd or PWM input depending on mode value.
speed_cmd=Command mapped to speed.	
speed=Motor speed.
speed_error=Speed loop error centered on 128.
current_limit=Current limit in ADC counts.
current=Current sampled from ADC.
pwm_limit=PWM limit from pwm_limit_min to pwm_limit_max.
pwm=PWM value from pwm_min to pwm_max.
bemf=Back EMF sample from ADC.
bemf_error=Back EMF sensing PLL error centered on 128.
v_bus=DC bus voltage value sampled from ADC.
v_motor=DC motor voltage pwm*v_bus.
osc_cal=Oscillator factory calibration byte.
osc_error=Oscillator test error, 128 is zero point.
data_rxd=Byte recieved
counter=Counts up and down to show data coming in.
EEPROM
enable_voltage=Voltage threshold to enable EEPROM settings for osc_cal_adj and mode.
osc_cal_adj=Oscillator calibration value adjustment 0 to 32 centered on 16, 0 equals -16, 32 equals +16, all values above 32 use factory cal.
data_watch=Location of variable to watch on  Variable plot window.
mode=Operation mode bit 0 data or PWM input, bit 1 is data or Tach out, bit 2 is open loop PWM or speed control.
input_cmd=Immediate command input.
speed_count_min=Minumum frequency of commutation for Back EMF phase locked loop.
speed_count_max=Maximumm frequency of commutation for Back EMF phase locked loop.
r0_limit=Error limit of phase detector ofor Back EMF phase locked loop. 	
kp=Proportional gain of Back EMF phase locked loop compensator.
ki=Integral gain of Back EMF phase locked loop compensator.
pll_gravity=Offset applied to Back EMF phase locked loop phase detector to cause frequency to fall (motor restart after a stall condition).
pwm_min=Minimum PWM value.
pwm_max=Maximum PWM value.
s_loop_rate=Speed loop update rate, number of 833us loop updates for a speed update.
s_r0_limit=Speed compensator error limit (clamp).
s_kp=Proportional gain of speed loop compensator.
s_ki=Integral gain of speed loop compensator.
speed_cmd_min=Minimum speed command.	
speed_cmd_max=Maximum speed command.
speed_scale=Speed to timer scaling.
current_limit_start=Current limit at start up.
current_limit_max=Maximum current limit.
current_limit_slope=Slope between startup and maximum current limit.
v_bus_min=Minimum DC input voltage for startup.
command_0=Speed mapping command point 0.
speed_cmd_0=Speed mapping speed point 0.
command_1=Speed mapping command point 1.
speed_cmd_1=Speed mapping speed point 1.
command_2=Speed mapping command point 2.
speed_cmd_2=Speed mapping speed point 2.
command_3=Speed mapping command point 3.
speed_cmd_3=Speed mapping speed point 3.
END