diff options
Diffstat (limited to 'klippy/chipmisc.py')
| -rw-r--r-- | klippy/chipmisc.py | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/klippy/chipmisc.py b/klippy/chipmisc.py index bdcb59d8..7e875a4f 100644 --- a/klippy/chipmisc.py +++ b/klippy/chipmisc.py @@ -33,6 +33,31 @@ class PrinterStaticPWM: ###################################################################### +# AD5206 digipot +###################################################################### + +class ad5206: + def __init__(self, printer, config): + enable_pin_params = pins.get_printer_pins(printer).parse_pin_desc( + 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)) + + +###################################################################### # Setup ###################################################################### @@ -41,3 +66,5 @@ def add_printer_objects(printer, config): printer.add_object(s.section, PrinterStaticDigitalOut(printer, s)) for s in config.get_prefix_sections('static_pwm_output '): printer.add_object(s.section, PrinterStaticPWM(printer, s)) + for s in config.get_prefix_sections('ad5206 '): + printer.add_object(s.section, ad5206(printer, s)) |