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ad5206: Use bus.py helper code for spi 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2018-11-18 17:35:30 -05:00
parent be58c7f8ec
commit ab6a8ec76e
1 changed files with 7 additions and 17 deletions
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24
klippy/extras/ad5206.py
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@ -3,30 +3,20 @@
# Copyright (C) 2017,2018 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
import bus
class ad5206:
def __init__(self, config):
ppins = config.get_printer().lookup_object('pins')
enable_pin = config.get('enable_pin')
enable_pin_params = ppins.lookup_pin(enable_pin)
mcu = enable_pin_params['chip']
pin = enable_pin_params['pin']
self.spi = bus.MCU_SPI_from_config(
config, 0, pin_option="enable_pin", default_speed=25000000)
scale = config.getfloat('scale', 1., above=0.)
channels = [None]*6
for i in range(len(channels)):
for i in range(6):
val = config.getfloat('channel_%d' % (i+1,), None,
minval=0., maxval=scale)
if val is not None:
channels[i] = int(val * 256. / scale + .5)
oid = mcu.create_oid()
mcu.add_config_cmd(
"config_spi oid=%d bus=%d pin=%s mode=%u rate=%u shutdown_msg=" % (
oid, 0, pin, 0, 25000000))
for i, val in enumerate(channels):
if val is not None:
mcu.add_config_cmd(
"spi_send oid=%d data=%02x%02x" % (oid, i, val),
is_init=True)
self.set_register(i, int(val * 256. / scale + .5))
def set_register(self, reg, value):
self.spi.spi_send([reg, value])
def load_config_prefix(config):
return ad5206(config)