Add support for adxl380 and adxl382

Signed-off-by: Robert Budai <[email protected]>

adi/__init__.py

@@ -90,6 +90,7 @@
 from adi.adxl313 import adxl313
 from adi.adxl345 import adxl345
 from adi.adxl355 import adxl355
+from adi.adxl380 import adxl380
 from adi.adxrs290 import adxrs290
 from adi.cn0511 import cn0511
 from adi.cn0532 import cn0532

adi/adxl380.py

@@ -0,0 +1,187 @@
+# Copyright (C) 2021-2024 Analog Devices, Inc.
+#
+# SPDX short identifier: ADIBSD
+
+from decimal import Decimal
+
+from adi.attribute import attribute
+from adi.context_manager import context_manager
+from adi.rx_tx import rx
+
+
+class adxl380(rx, context_manager, attribute):
+    """ adxl380 3-axis accelerometer """
+
+    _device_name = "adxl380"
+    _rx_unbuffered_data = True
+    _rx_data_si_type = float
+
+    def __init__(self, uri="", device_name=None):
+        context_manager.__init__(self, uri, self._device_name)
+
+        compatible_parts = ["adxl380", "adxl382"]
+
+        if not device_name:
+            device_name = compatible_parts[0]
+
+        if device_name not in compatible_parts:
+            raise Exception(
+                "Not a compatible device:"
+                + str(device_name)
+                + ".Please select from:"
+                + str(compatible_parts)
+            )
+        else:
+            print("Device found: ", device_name)
+            self._ctrl = self._ctx.find_device(device_name)
+            self._rxadc = self._ctx.find_device(device_name)
+
+            if self._ctrl is None:
+                print(
+                    "No device found with device_name = "
+                    + device_name
+                    + ". Searching for a device found in the compatible list."
+                )
+                for i in compatible_parts:
+                    self._ctrl = self._ctx.find_device(i)
+                    self._rxadc = self._ctx.find_device(i)
+                    if self._ctrl is not None:
+                        print("Found device = " + i + ". Will use this device instead.")
+                        break
+                if self._ctrl is None:
+                    raise Exception("No compatible device found")
+
+            self.accel_x = self._channel(self._ctrl, "accel_x")
+            self.accel_y = self._channel(self._ctrl, "accel_y")
+            self.accel_z = self._channel(self._ctrl, "accel_z")
+            self.temp = self._tempchannel(self._ctrl, "temp")
+            self._rxadc = self._ctx.find_device("adxl380")
+            self._rx_channel_names = ["accel_x", "accel_y", "accel_z"]
+            rx.__init__(self)
+            self.rx_buffer_size = 16  # Make default buffer smaller
+
+    @property
+    def sampling_frequency(self):
+        """Device sampling frequency"""
+        return self._get_iio_dev_attr_str("sampling_frequency")
+
+    @sampling_frequency.setter
+    def sampling_frequency(self, value):
+        self._set_iio_dev_attr_str("sampling_frequency", str(Decimal(value).real))
+
+    @property
+    def sampling_frequency_available(self):
+        """Device available sampling frequency"""
+        return self._get_iio_dev_attr_str("sampling_frequency_available")
+
+    @property
+    def waiting_for_supplier(self):
+        """Device waiting for supplier"""
+        return self._get_iio_dev_attr_str("waiting_for_supplier")
+
+    def to_degrees(self, raw):
+        """Convert raw to degrees Celsius"""
+        return (raw + self.temp.offset) * self.temp.scale / 1000.0
+
+    class _tempchannel(attribute):
+        """adxl380 temperature channel"""
+
+        def __init__(self, ctrl, channel_name):
+            self.name = channel_name
+            self._ctrl = ctrl
+
+        @property
+        def offset(self):
+            """adxl380 temperature offset value"""
+            return self._get_iio_attr(self.name, "offset", False)
+
+        @property
+        def raw(self):
+            """adxl380 temperature raw value"""
+            return self._get_iio_attr(self.name, "raw", False)
+
+        @property
+        def scale(self):
+            """adxl380 channel scale value"""
+            return self._get_iio_attr(self.name, "scale", False)
+
+    class _channel(attribute):
+        """adxl380 acceleration channel"""
+
+        def __init__(self, ctrl, channel_name):
+            self.name = channel_name
+            self._ctrl = ctrl
+
+        @property
+        def calibbias(self):
+            """adxl380 channel offset"""
+            return self._get_iio_attr(self.name, "calibbias", False)
+
+        @calibbias.setter
+        def calibbias(self, value):
+            self._set_iio_attr(self.name, "calibbias", False, value)
+
+        @property
+        def filter_high_pass_3db_frequency(self):
+            """adxl380 highpass filter cutoff frequency"""
+            return self._get_iio_attr(
+                self.name, "filter_high_pass_3db_frequency", False
+            )
+
+        @filter_high_pass_3db_frequency.setter
+        def filter_high_pass_3db_frequency(self, value):
+            self._set_iio_attr(
+                self.name,
+                "filter_high_pass_3db_frequency",
+                False,
+                str(Decimal(value).real),
+            )
+
+        @property
+        def filter_high_pass_3db_frequency_available(self):
+            """Provides all available highpass filter cutoff frequency settings for the adxl380 channels"""
+            return self._get_iio_attr(
+                self.name, "filter_high_pass_3db_frequency_available", False
+            )
+
+        @property
+        def filter_low_pass_3db_frequency(self):
+            """adxl380 lowpass filter cutoff frequency"""
+            return self._get_iio_attr(self.name, "filter_low_pass_3db_frequency", False)
+
+        @filter_low_pass_3db_frequency.setter
+        def filter_low_pass_3db_frequency(self, value):
+            self._set_iio_attr(
+                self.name,
+                "filter_low_pass_3db_frequency",
+                False,
+                str(Decimal(value).real),
+            )
+
+        @property
+        def filter_low_pass_3db_frequency_available(self):
+            """Provides all available lowpass filter cutoff frequency settings for the adxl380 channels"""
+            return self._get_iio_attr(
+                self.name, "filter_low_pass_3db_frequency_available", False
+            )
+
+        @property
+        def raw(self):
+            """adxl380 channel raw value"""
+            return self._get_iio_attr(self.name, "raw", False)
+
+        @property
+        def scale(self):
+            """adxl380 channel scale(gain)"""
+            return float(self._get_iio_attr_str(self.name, "scale", False))
+
+        @scale.setter
+        def scale(self, value):
+            self._set_iio_attr(
+                self.name, "scale", False, str(Decimal(value).real),
+            )
+
+        @property
+        def scale_available(self):
+            """Provides all available scale settings for the adxl380 channels"""
+            return self._get_iio_attr(self.name, "scale_available", False)

doc/source/devices/adi.adxl380.rst

@@ -0,0 +1,7 @@
+adxl380
+==================
+
+.. automodule:: adi.adxl380
+   :members:
+   :undoc-members:
+   :show-inheritance:

doc/source/devices/index.rst

@@ -96,6 +96,7 @@ Supported Devices
    adi.adxl313
    adi.adxl345
    adi.adxl355
+   adi.adxl380
    adi.adxrs290
    adi.cn0511
    adi.cn0532

examples/adxl380_example.py

@@ -0,0 +1,114 @@
+# Copyright (C) 2021 Analog Devices, Inc.
+#
+# SPDX short identifier: ADIBSD
+
+import sys
+import time
+
+import adi
+
+my_dev_name = sys.argv[1]
+my_uri = sys.argv[2]
+
+print("uri: " + str(my_uri))
+
+# Set up adxl380
+my_acc = adi.adxl380(uri=my_uri, device_name=my_dev_name)
+# my_acc.rx_buffer_size = 16
+my_acc.rx_enabled_channels = [0, 1, 2]
+
+print("\nChecking temperature channel...")
+print("Temperature raw: " + str(my_acc.temp.raw))
+print("Calculated Temperature: " + str(my_acc.to_degrees(my_acc.temp.raw)))
+
+
+print("\nInitial sample frequency:")
+print("Sample frequency: " + str(my_acc.sampling_frequency))
+
+print("Single calculated acceleration values:")
+print("\nX acceleration: " + str(my_acc.accel_x.raw * my_acc.accel_x.scale) + " m/s^2")
+print("Y acceleration: " + str(my_acc.accel_y.raw * my_acc.accel_y.scale) + " m/s^2")
+print("Z acceleration: " + str(my_acc.accel_z.raw * my_acc.accel_z.scale) + " m/s^2")
+
+print("\nSetting sample frequencies to 1000 sps...")
+my_acc.sampling_frequency = "{:.6f}".format(16000)
+time.sleep(0.25)
+
+print("Verifying new sample rate: " + str(my_acc.sampling_frequency))
+print("Setting back to 4000 sps...")
+my_acc.sampling_frequency = "{:.6f}".format(4000.0)
+time.sleep(0.25)
+
+my_acc.rx_output_type = "raw"
+print("\nData using buffered rx(), raw:")
+print(my_acc.rx())
+
+cutoffs = my_acc.accel_x.filter_high_pass_3db_frequency_available
+print("\nAvailable highpass cutoff frequencies: " + str(cutoffs))
+
+print(
+    "\nSetting highpass cutoff frequency to "
+    + str(cutoffs[1])
+    + " then taking a 2 second nap to settle..."
+)
+my_acc.accel_x.filter_high_pass_3db_frequency = "{:.6f}".format(cutoffs[1])
+my_acc.accel_y.filter_high_pass_3db_frequency = "{:.6f}".format(cutoffs[1])
+my_acc.accel_z.filter_high_pass_3db_frequency = "{:.6f}".format(cutoffs[1])
+
+print(
+    "\nX highpass cutoff frequency: "
+    + str(my_acc.accel_x.filter_high_pass_3db_frequency)
+)
+print(
+    "Y highpass cutoff frequency: " + str(my_acc.accel_y.filter_high_pass_3db_frequency)
+)
+print(
+    "Z highpass cutoff frequency: " + str(my_acc.accel_z.filter_high_pass_3db_frequency)
+)
+
+time.sleep(2.0)
+
+print(
+    "\nAccelerations after highpass, should be close to zero if the adxl380 is sitting still...\n"
+)
+print("X acceleration: " + str(my_acc.accel_x.raw * my_acc.accel_x.scale) + " m/s^2")
+print("Y acceleration: " + str(my_acc.accel_y.raw * my_acc.accel_y.scale) + " m/s^2")
+print("Z acceleration: " + str(my_acc.accel_z.raw * my_acc.accel_z.scale) + " m/s^2")
+
+print(
+    "\nSetting highpass cutoff frequency back to zero, then taking a 4 second nap to settle..."
+)
+my_acc.accel_x.filter_high_pass_3db_frequency = "{:.6f}".format(0.0)
+my_acc.accel_y.filter_high_pass_3db_frequency = "{:.6f}".format(0.0)
+my_acc.accel_z.filter_high_pass_3db_frequency = "{:.6f}".format(0.0)
+
+time.sleep(4.0)
+
+print("\nAccelerations after highpass settling...")
+
+print("X acceleration: " + str(my_acc.accel_x.raw * my_acc.accel_x.scale) + " m/s^2")
+print("Y acceleration: " + str(my_acc.accel_y.raw * my_acc.accel_y.scale) + " m/s^2")
+print("Z acceleration: " + str(my_acc.accel_z.raw * my_acc.accel_z.scale) + " m/s^2")
+
+print("\nSetting offset for each axis...\n")
+print("X offset set to: " + str(my_acc.accel_x.raw >> 4))
+print("Y offset set to: " + str(my_acc.accel_y.raw >> 4))
+print("Z offset set to: " + str(my_acc.accel_z.raw >> 4))
+
+my_acc.accel_x.calibbias = "{:.6f}".format(my_acc.accel_x.raw >> 4)
+my_acc.accel_y.calibbias = "{:.6f}".format(my_acc.accel_y.raw >> 4)
+my_acc.accel_z.calibbias = "{:.6f}".format(my_acc.accel_z.raw >> 4)
+
+print(
+    "\nAccelerations after setting offset, should be close to zero if the adxl380 is sitting still...\n"
+)
+print("X acceleration: " + str(my_acc.accel_x.raw * my_acc.accel_x.scale) + " m/s^2")
+print("Y acceleration: " + str(my_acc.accel_y.raw * my_acc.accel_y.scale) + " m/s^2")
+print("Z acceleration: " + str(my_acc.accel_z.raw * my_acc.accel_z.scale) + " m/s^2")
+
+print("\nSetting offset for each axis back to 0...")
+my_acc.accel_x.calibbias = "{:.6f}".format(0.0)
+my_acc.accel_y.calibbias = "{:.6f}".format(0.0)
+my_acc.accel_z.calibbias = "{:.6f}".format(0.0)
+
+del my_acc

supported_parts.md

@@ -160,6 +160,7 @@
 - ADXL314
 - ADXL345
 - ADXL355
+- ADXL380
 - ADXL1002
 - ADXRS290
 - CN0511