Diff: scripts/ad4130_xattr.py

Revision:

2:871d585d96ee

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/ad4130_xattr.py	Fri Jul 15 17:47:44 2022 +0530
@@ -0,0 +1,124 @@
+# Copyright (C) 2022 Analog Devices, Inc.
+#
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#     - Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     - Redistributions in binary form must reproduce the above copyright
+#       notice, this list of conditions and the following disclaimer in
+#       the documentation and/or other materials provided with the
+#       distribution.
+#     - Neither the name of Analog Devices, Inc. nor the names of its
+#       contributors may be used to endorse or promote products derived
+#       from this software without specific prior written permission.
+#     - The use of this software may or may not infringe the patent rights
+#       of one or more patent holders.  This license does not release you
+#       from the requirement that you obtain separate licenses from these
+#       patent holders to use this software.
+#     - Use of the software either in source or binary form, must be run
+#       on or directly connected to an Analog Devices Inc. component.
+#
+# THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+# INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
+# PARTICULAR PURPOSE ARE DISCLAIMED.
+#
+# IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
+# RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#import adi.ad4130              # TODO - Enable later
+#from adi.ad4130 import ad4130  # TODO - Enable later
+from ad4130 import *            # TODO - Delete later
+from adi.attribute import attribute
+from decimal import Decimal
+
+# Create a child class of ad4130 parent class for defining extended iio attributes (the ones which
+# are not part of original linux iio drivers and created for non-linux iio applications)
+class ad4130_xattr(ad4130):
+
+    # List of extended iio channels
+    xchannel = []
+
+    def __init__(self, uri, device_name):
+        super().__init__(uri, device_name)
+
+        # Create an instances of the extended channel class
+        for ch in self._ctrl.channels:
+            name = ch._id
+            self._rx_channel_names.append(name)
+            self.xchannel.append(self._xchannel(self._ctrl, name))
+
+        # Add the _xchannel class methods as _channel methods, so that they can be accessed with 
+        # attribute name as 'channel' instead 'xchannel'
+        # e.g. channel attribute 'system_calibration' can be accessed as either "obj.channel[chn_num].system_calibration" Or
+        # "obj.xchannel[chn_num].system_calibration", where obj refers to object of 'ad4130_xattr' class
+        self._channel.system_calibration = self._xchannel.system_calibration
+        self._channel.internal_calibration = self._xchannel.internal_calibration
+        self._channel.loadcell_offset_calibration = self._xchannel.loadcell_offset_calibration
+        self._channel.loadcell_gain_calibration = self._xchannel.loadcell_gain_calibration
+
+    #------------------------------------------------
+    # Device extended attributes
+    #------------------------------------------------
+    
+    @property
+    def demo_config(self):
+        """AD4130 demo mode config"""
+        return self._get_iio_dev_attr_str("demo_config")
+
+    @property
+    def sample_rate(self):
+        """AD4130 device sample_rate"""
+        return int(self._get_iio_dev_attr_str("sampling_frequency"))
+
+    #------------------------------------------------
+    # Channel extended attributes
+    #------------------------------------------------
+
+    class _xchannel(attribute):
+
+        def __init__(self, ctrl, channel_name):
+            self.name = channel_name
+            self._ctrl = ctrl
+
+        @property
+        def system_calibration(self):
+            """AD4130 channel system calibration"""
+            return self._get_iio_attr_str(self.name, "system_calibration", False)
+
+        @system_calibration.setter
+        def system_calibration(self, value):
+            self._set_iio_attr(self.name, "system_calibration", False, value)
+
+        @property
+        def internal_calibration(self):
+            """AD4130 channel internal calibration"""
+            return self._get_iio_attr_str(self.name, "internal_calibration", False)
+
+        @internal_calibration.setter
+        def internal_calibration(self, value):
+            self._set_iio_attr(self.name, "internal_calibration", False, value)
+
+        @property
+        def loadcell_offset_calibration(self):
+            """AD4130 loadcell offset calibration"""
+            return self._get_iio_attr_str(self.name, "loadcell_offset_calibration", False)
+
+        @loadcell_offset_calibration.setter
+        def loadcell_offset_calibration(self, value):
+            self._set_iio_attr(self.name, "loadcell_offset_calibration", False, value)
+
+        @property
+        def loadcell_gain_calibration(self):
+            """AD4130 loadcell gain calibration"""
+            return self._get_iio_attr_str(self.name, "loadcell_gain_calibration", False)
+
+        @loadcell_gain_calibration.setter
+        def loadcell_gain_calibration(self, value):
+            self._set_iio_attr(self.name, "loadcell_gain_calibration", False, value)
+    
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