use cases: N local N remote N monitors

new*mult + offset

#todo normalize offsets #todo clamp global value, by min_offset-1

todo stop on contrast change

todo do not set contrast every time. only when changed

usage: python3 master.py -b [1|-1]

PORT = 48653

sample config { 'debug': True, 'global_brightness': 70 'step': 5 'hosts':{ '127.0.0.1': { 'monitors': [ { 'id': 1, 'brightness_offset': 0, 'brightness_mult': 1, 'contrast_max': 52, 'contrast_min': 0, 'contrast_norm': 50, 'cmd': 'ddccontrol -r {prop} -w {brightness} dev:/dev/i2c-{mon_id}', 'brightness_prop_id': '0x10' 'contrast_prop_id': '0x12' }, { 'id': 3, 'brightness_offset': -5, 'brightness_mult': 1, 'contrast_max': 52, 'contrast_min': 0, 'contrast_norm': 50, 'cmd': 'ddccontrol -r {prop} -w {brightness} dev:/dev/i2c-{mon_id}', 'brightness_prop_id': '0x10' 'contrast_prop_id': '0x12' } ] }, '192.168.0.3':{ 'cmd': 'my_cmd', 'monitors': [ { 'id':2, 'brightness_offset': 0, 'brightness_mult': 1, } ] } } }

delta_s 1 delta = 5 old 70 new 75

new * mult + offset 75*1 + 0

75 * 1 -5