def resolve_bus_name(mcu, param, bus):
# Find enumerations for the given bus
enumerations = mcu.get_enumerations()
enums = enumerations.get(param, enumerations.get('bus'))
if enums is None:
if bus is None:
return 0
return bus
# Verify bus is a valid enumeration
ppins = mcu.get_printer().lookup_object("pins")
mcu_name = mcu.get_name()
if bus is None:
rev_enums = {v: k for k, v in enums.items()}
if 0 not in rev_enums:
raise ppins.error("Must specify %s on mcu '%s'" %
(param, mcu_name))
bus = rev_enums[0]
if bus not in enums:
raise ppins.error("Unknown %s '%s'" % (param, bus))
# Check for reserved bus pins
constants = mcu.get_constants()
reserve_pins = constants.get('BUS_PINS_%s' % (bus, ), None)
pin_resolver = ppins.get_pin_resolver(mcu_name)
if reserve_pins is not None:
for pin in reserve_pins.split(','):
pin_resolver.reserve_pin(pin, bus)
return bus
def _mcu_identify(self):
# Obtain mcu information
mcu = self.mcu_adc.get_mcu()
self.debug_read_cmd = mcu.lookup_query_command(
"debug_read order=%c addr=%u", "debug_result val=%u")
self.mcu_type = mcu.get_constants().get("MCU", "")
# Run MCU specific configuration
cfg_funcs = [
('rp2040', self.config_rp2040),
('sam3', self.config_sam3), ('sam4', self.config_sam4),
('same70', self.config_same70),
('samd21', self.config_samd21), ('samd51', self.config_samd51),
('stm32f1', self.config_stm32f1), ('stm32f2', self.config_stm32f2),
('stm32f4', self.config_stm32f4),
('stm32f042', self.config_stm32f0x2),
('stm32f070', self.config_stm32f070),
('stm32f072', self.config_stm32f0x2),
('stm32g0', self.config_stm32g0),
('', self.config_unknown)]
for name, func in cfg_funcs:
if self.mcu_type.startswith(name):
func()
break
logging.info("mcu_temperature '%s' nominal base=%.6f slope=%.6f",
mcu.get_name(), self.base_temperature, self.slope)
# Setup manual base/slope override
if self.temp1 is not None:
if self.temp2 is not None:
self.slope = (self.temp2 - self.temp1) / (self.adc2 - self.adc1)
self.base_temperature = self.calc_base(self.temp1, self.adc1)
# Setup min/max checks
adc_range = [self.calc_adc(t) for t in [self.min_temp, self.max_temp]]
self.mcu_adc.setup_minmax(SAMPLE_TIME, SAMPLE_COUNT,
minval=min(adc_range), maxval=max(adc_range),
range_check_count=RANGE_CHECK_COUNT)
