ad5206: Move the ad5206 code from chipmisc.py to extras directory

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2018-01-20 00:14:52 -05:00
parent 1e3a03fbee
commit 5db84779c6
2 changed files with 30 additions and 27 deletions

30
klippy/extras/ad5206.py Normal file
View file

@ -0,0 +1,30 @@
# AD5206 digipot code
#
# Copyright (C) 2017,2018 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
import pins
class ad5206:
def __init__(self, config):
printer = config.get_printer()
enable_pin_params = pins.get_printer_pins(printer).lookup_pin(
'digital_out', config.get('enable_pin'))
self.mcu = enable_pin_params['chip']
self.pin = enable_pin_params['pin']
self.mcu.add_config_object(self)
scale = config.getfloat('scale', 1., above=0.)
self.channels = [None] * 6
for i in range(len(self.channels)):
val = config.getfloat('channel_%d' % (i+1,), None,
minval=0., maxval=scale)
if val is not None:
self.channels[i] = int(val * 256. / scale + .5)
def build_config(self):
for i, val in enumerate(self.channels):
if val is not None:
self.mcu.add_config_cmd(
"send_spi_message pin=%s msg=%02x%02x" % (self.pin, i, val))
def load_config(config):
return ad5206(config)