Modified files:

my_machine.h
grbl/config.h
grbl/gcode.c
grbl/spindle_control.c
grbl/report.c


Added commands:

M31 - spindle Of
M32 - spindle On
M41 - spindle direction Of
M42 - spindle direction On

M81 - coolant.mist Of
M82 - coolant.mist On
M83 - coolant flood Of
M84 - coolant.flood On


$G

added

V1 V2 L1 L2

V1 - Valve 1
V2 - Valve 2
L1 - light 1 (top)
L2 - light 2 (bottom)


Pins:

Spindle direction   27
Spindle enable       26
Coolant flood       16
Coolant mist        17




On the board:

M42/M41       Valve
M32/M31       Pump
M82/M81       Top Light
M84/M83       Bottom Light