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RuntimeError: Timeout: Waiting for INT_STATUS_2, die_temp_ready. when using get_temperature() #6

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Gadgetoid opened this issue Jul 9, 2020 · 0 comments
Open

RuntimeError: Timeout: Waiting for INT_STATUS_2, die_temp_ready. when using get_temperature() #6

Gadgetoid opened this issue Jul 9, 2020 · 0 comments
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Title says all, there's a timeout condition on INT_STATUS_2 when attempting to read the temperature from device- something must be awry:

Traceback (most recent call last):
  File "get-temperature.py", line 20, in <module>
    temp = max30105.get_temperature()
  File "/home/pi/max30105-python/library/max30105/__init__.py", line 413, in get_temperature
    raise RuntimeError('Timeout: Waiting for INT_STATUS_2, die_temp_ready.')
RuntimeError: Timeout: Waiting for INT_STATUS_2, die_temp_ready.
@Gadgetoid Gadgetoid self-assigned this Jul 9, 2020
@Gadgetoid Gadgetoid added the bug Something isn't working label Jul 9, 2020
Gadgetoid added a commit that referenced this issue Jul 9, 2020
@Gadgetoid
Fix get_temperature for #6
c2026be 
This two pronged approach involving a code change and update to i2cdevice should prevent get_temperature from timing out.

A duplicate read to the interrupt register (which is cleared upon read) was causing it to always read as 0.

The timeout loop has been re-written to avoid a duplicate read.

i2c_device>=0.0.7 is required, since `get()` was causing duplicate reads.
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