uncaught exception in ExtInt interrupt handler line 1 AttributeError:

[vahithosan]

Hi. Thanks to shearing encoder_timed.py.

I want use for measuring velocity rotary encoder but can't.

`

import encoder_timed
e=encoder_timed.EncoderTimed('A1','A2',0,0)
e.position
0
`

when using rotary encoder;

`

uncaught exception in ExtInt interrupt handler line 1
AttributeError:
uncaught exception in ExtInt interrupt handler line 2
AttributeError:
`

added lines

import micropython
micropython.alloc_emergency_exception_buf(100)
`

`

uncaught exception in ExtInt interrupt handler line 1
Traceback (most recent call last):
File "encoder_timed.py", line 28, in x_callback
AttributeError: 'str' object has no attribute 'value'
uncaught exception in ExtInt interrupt handler line 2
Traceback (most recent call last):
File "encoder_timed.py", line 34, in y_callback
AttributeError: 'str' object has no attribute 'value'

`

[peterhinch]

I think you are passing strings as pin_x and pin_y constructor arguments. They should be Pin instances (and those pins should be configured as inputs).