python3 -m glasgow.cli -vv voltage A 5.0
D: glasgow.device.hardware: found device with serial Z-9999999999999999
T: glasgow.device.hardware: USB: CONTROL OUT type=0x40 request=0x16 value=0x0000 index=0x0001 data=<00007c15> (submit)
T: glasgow.device.hardware: USB: CONTROL OUT (completed)
T: glasgow.device.hardware: USB: CONTROL IN type=0x40 request=0x12 value=0x0000 index=0x0000 length=1 (submit)
T: glasgow.device.hardware: USB: CONTROL IN data=<02> (completed)
T: glasgow.device.hardware: USB: CONTROL IN type=0x40 request=0x17 value=0x0000 index=0x0000 length=1 (submit)
T: glasgow.device.hardware: USB: CONTROL IN data=<00> (completed)
T: glasgow.device.hardware: USB: CONTROL OUT type=0x40 request=0x14 value=0x0000 index=0x0001 data=<8813> (submit)
T: glasgow.device.hardware: USB: CONTROL OUT (completed)
T: glasgow.device.hardware: USB: CONTROL IN type=0x40 request=0x12 value=0x0000 index=0x0000 length=1 (submit)
T: glasgow.device.hardware: USB: CONTROL IN data=<03> (completed)
T: glasgow.device.hardware: USB: CONTROL OUT type=0x40 request=0x14 value=0x0000 index=0x0001 data=<0000> (submit)
T: glasgow.device.hardware: USB: CONTROL OUT (completed)
T: glasgow.device.hardware: USB: CONTROL IN type=0x40 request=0x12 value=0x0000 index=0x0000 length=1 (submit)
T: glasgow.device.hardware: USB: CONTROL IN data=<02> (completed)
E: __main__: cannot set I/O port(s) A voltage to 5.0 V