65 lines
2.3 KiB
Python
65 lines
2.3 KiB
Python
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#
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# Import UniTAP module.
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#
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import UniTAP
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#
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# To initialize UniTAP library wrapper user should create UniTAP.TsiLib() object.
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#
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lUniTAP = UniTAP.TsiLib()
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#
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# For opening device, please, put serial number of the device as 8 symbol str or put index of device.
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#
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# dev = lUniTAP.open("NNNNNNNN")
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dev = lUniTAP.open(0)
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# After opening device as in UCD Console device role should be selected.
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role = dev.select_role(UniTAP.dev.UCD424.USBCSourceUSBCSink)
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# role = dev.select_role(UniTAP.dev.UCD500.USBCSourceUSBCSink)
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dev.opf_handler = UniTAP.OpfHandlerInternal(port_tx=role.dptx, port_rx=role.dprx)
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# Get Source PDO from RX side.
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# If read_from_device = True, PDO will be read directly from device, not from internal buffer
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source_pdo_list = role.pdcrx.power_source.get_pdo_list(read_from_device=True)
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for item in source_pdo_list:
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print(item)
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# Get current Power Role
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power_role = role.pdcrx.capabilities.status.power_role()
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print(power_role.name)
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if power_role == UniTAP.pdc.PowerRole.Sink:
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# If needed to change power role, use reconnect
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role.pdcrx.controls.reconnect()
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if power_role == UniTAP.pdc.PowerRole.Source:
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for index, item in enumerate(source_pdo_list):
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if index > 0:
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item.interpret_pdo_as_selected_type(UniTAP.pdc.BatteryPdo)
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role.pdcrx.power_source.set_pdo_list(source_pdo_list)
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role.pdcrx.power_source.send_pdo()
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role.pdcrx.controls.reconnect()
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source_pdo_list = role.pdcrx.power_source.get_pdo_list(read_from_device=True)
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for item in source_pdo_list:
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print(item)
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# For Sink PDO the same algorythm, but it is also possible to control `Power Contract`
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role.pdcrx.power_contract_control.pdo_type_priority = UniTAP.pdc.ContractTypePriority.HigherCurrent
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# Control Internal resistance (only for UCD-340)
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# print(role.pdcrx.power_contract_control.internal_resistance)
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# role.pdcrx.power_contract_control.internal_resistance = UniTAP.pdc.InternalResistance.Resistance_3_5_Ohm
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# print(role.pdcrx.power_contract_control.internal_resistance)
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#
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# Since the 3.5 version, TsiLib and TSIDevice objects have the option to be closed earlier.
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# TSIDevice can be closed with the TsiLib method close(). TsiLib can be closed with cleanup().
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# Clean up will close all opened devices and block ability to open any devices
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# with same TsiLib object.
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#
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lUniTAP.close(dev)
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lUniTAP.cleanup()
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