I am getting the following error when I write to the DAC in EVAL-CN0554-RP1Z connected to RPi 4B via the GPIO ports. I am able to connect to the device and read ADC values.
Command issued: cn_obj.volt = vset[2 * a]. [from the cn0554_example.py]
ERROR: READ LINE: -32
Traceback (most recent call last):
File "/home/analog/Downloads/cn0554_example.py", line 46, in <module>
cn_obj.volt = vset[2 * a]
File "/home/analog/.local/lib/python3.9/site-packages/adi/ltc2688.py", line 96, in volt
self.raw = int(((val / self.scale) - self.offset) * (ltc2688.vref / 4.096))
File "/home/analog/.local/lib/python3.9/site-packages/adi/ltc2688.py", line 45, in scale
return self._get_iio_attr(self.name, "scale", True, self._ctrl)
File "/home/analog/.local/lib/python3.9/site-packages/adi/attribute.py", line 127, in _get_iio_attr
self._get_iio_attr_str(channel_name, attr_name, output, _ctrl)
File "/home/analog/.local/lib/python3.9/site-packages/adi/attribute.py", line 122, in _get_iio_attr_str
return channel.attrs[attr_name].value
File "/usr/local/lib/python3.9/dist-packages/iio.py", line 711, in <lambda>
lambda self: self._read(),
File "/usr/local/lib/python3.9/dist-packages/iio.py", line 740, in _read
_c_read_attr(self._channel, self._name_ascii, buf, len(buf))
File "/usr/local/lib/python3.9/dist-packages/iio.py", line 62, in _check_negative
raise OSError(-result, _strerror(-result))
BrokenPipeError: [Errno 32] Broken pipe
Some information regarding the setup
I am on Kuiper linux
analog@analog:~/Downloads $
Linux analog 5.10.63-v7l+ #1 SMP Fri Mar 10 16:35:58 UTC 2023 armv7l GNU/Linux
Highly appreciate any help in this regards
Thanking you
Krishna
