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Add support for AD7091R-2, AD7091R-4 and AD7091R-8
Add ad7091r.py driver Add test script, example code Update index.rst, init.py, supported_parts.md files Add xml emu context file Update hardware_map.yml file for test emulation Signed-off-by: SGudla <[email protected]>
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# Copyright (C) 2024 Analog Devices, Inc. | ||
# | ||
# SPDX short identifier: ADIBSD | ||
# Copyright (C) 2024 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. | ||
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from decimal import Decimal | ||
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import numpy as np | ||
from adi.attribute import attribute | ||
from adi.context_manager import context_manager | ||
from adi.rx_tx import rx | ||
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class ad7091rx(rx, context_manager): | ||
"""AD7091R-2/AD7091R-4/AD7091R-8 SPI interface, | ||
2-/4-/8-channel, 12-bit SAR ADC""" | ||
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_complex_data = False | ||
channel = [] # type: ignore | ||
_device_name = "" | ||
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def __init__(self, uri="", device_name=""): | ||
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context_manager.__init__(self, uri, self._device_name) | ||
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compatible_parts = [ | ||
"ad7091r-2", | ||
"ad7091r-4", | ||
"ad7091r-8", | ||
] | ||
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self._ctrl = None | ||
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if not device_name: | ||
device_name = compatible_parts[2] | ||
else: | ||
if device_name not in compatible_parts: | ||
raise Exception("Not a compatible device: " + device_name) | ||
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# Selecting the device matching device_name AD7091RX family as working device. | ||
for device in self._ctx.devices: | ||
if device.name == device_name: | ||
self._ctrl = device | ||
self._rxadc = device | ||
break | ||
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for ch in self._ctrl.channels: | ||
name = ch._id | ||
self._rx_channel_names.append(name) | ||
self.channel.append(self._channel(self._ctrl, name)) | ||
setattr(self, name, self._channel(self._ctrl, name)) | ||
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rx.__init__(self) | ||
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class _channel(attribute): | ||
"""AD7091R-8/-4/-2 Input Voltage Channels""" | ||
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def __init__(self, ctrl, channel_name): | ||
self.name = channel_name | ||
self._ctrl = ctrl | ||
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@property | ||
def raw(self): | ||
"""AD7091r channel raw value""" | ||
return self._get_iio_attr(self.name, "raw", False) | ||
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@property | ||
def scale(self): | ||
"""AD7091r channel scale""" | ||
return float(self._get_iio_attr_str(self.name, "scale", False)) | ||
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def to_mvolts(self, index, val): | ||
"""Converts raw value to mV""" | ||
_scale = self.channel[index].scale | ||
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ret = None | ||
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if isinstance(val, np.uint16): | ||
ret = val * _scale | ||
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if isinstance(val, np.ndarray): | ||
ret = [x * _scale for x in val] | ||
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return ret |
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ad7091rx | ||
================= | ||
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.. automodule:: adi.ad7091rx | ||
:members: | ||
:undoc-members: | ||
:show-inheritance: |
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@@ -23,6 +23,7 @@ Supported Devices | |
adi.ad5754r | ||
adi.ad5940 | ||
adi.ad6676 | ||
adi.ad7091rx | ||
adi.ad7124 | ||
adi.ad7134 | ||
adi.ad717x | ||
|
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# Copyright (C) 2024 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. | ||
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import argparse | ||
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import numpy as np | ||
from adi.ad7091rx import ad7091rx | ||
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def main(): | ||
# Set up argument parser | ||
parser = argparse.ArgumentParser(description="AD7091R Example Script") | ||
parser.add_argument( | ||
"--uri", | ||
type=str, | ||
help="The URI for the AD7091R device", | ||
default="serial:COM7,230400,8n1", | ||
) | ||
parser.add_argument( | ||
"--device_name", | ||
type=str, | ||
choices=["ad7091r-2", "ad7091r-4", "ad7091r-8"], | ||
help="The device name (Supported devices are ad7091r-2, ad7091r-4, ad7091r-8)", | ||
default="ad7091r-8", | ||
) | ||
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# Parse arguments | ||
args = parser.parse_args() | ||
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# Set up AD7091R device | ||
ad7091r_dev = ad7091rx(uri=args.uri, device_name=args.device_name) | ||
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# Get ADC channel 0 raw value and print it | ||
raw = ad7091r_dev.channel[0].raw | ||
print(f"Raw value read from channel0 is {raw}") | ||
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# Capture a buffer of 100 samples from channel 0 and display them | ||
chn = 0 | ||
ad7091r_dev._rx_data_type = np.int32 | ||
ad7091r_dev.rx_output_type = "raw" | ||
ad7091r_dev.rx_enabled_channels = [chn] | ||
ad7091r_dev.rx_buffer_size = 100 | ||
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data = ad7091r_dev.rx() | ||
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print(data) | ||
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if __name__ == "__main__": | ||
main() |
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<?xml version="1.0" encoding="utf-8"?><!DOCTYPE context [<!ELEMENT context (device | context-attribute)*><!ELEMENT context-attribute EMPTY><!ELEMENT device (channel | attribute | debug-attribute | buffer-attribute)*><!ELEMENT channel (scan-element?, attribute*)><!ELEMENT attribute EMPTY><!ELEMENT scan-element EMPTY><!ELEMENT debug-attribute EMPTY><!ELEMENT buffer-attribute EMPTY><!ATTLIST context name CDATA #REQUIRED description CDATA #IMPLIED><!ATTLIST context-attribute name CDATA #REQUIRED value CDATA #REQUIRED><!ATTLIST device id CDATA #REQUIRED name CDATA #IMPLIED><!ATTLIST channel id CDATA #REQUIRED type (input|output) #REQUIRED name CDATA #IMPLIED><!ATTLIST scan-element index CDATA #REQUIRED format CDATA #REQUIRED scale CDATA #IMPLIED><!ATTLIST attribute name CDATA #REQUIRED filename CDATA #IMPLIED value CDATA #IMPLIED><!ATTLIST debug-attribute name CDATA #REQUIRED value CDATA #IMPLIED><!ATTLIST buffer-attribute name CDATA #REQUIRED value CDATA #IMPLIED>]><context name="network" description="192.168.1.3 Linux raspberrypi 6.8.0-rc4-v8+ #4 SMP PREEMPT Thu Feb 15 10:45:25 -03 2024 aarch64" ><context-attribute name="local,kernel" value="6.8.0-rc4-v8+" /><context-attribute name="uri" value="ip:192.168.1.3" /><context-attribute name="ip,ip-addr" value="192.168.1.3" /><device id="iio:device0" name="ad7091r-8" ><channel id="voltage1" type="input" ><attribute name="raw" filename="in_voltage1_raw" value="2603" /><attribute name="scale" filename="in_voltage_scale" value="0.610351562" /></channel><channel id="voltage5" type="input" ><attribute name="raw" filename="in_voltage5_raw" value="0" /><attribute name="scale" filename="in_voltage_scale" value="0.610351562" /></channel><channel id="voltage2" type="input" ><attribute name="raw" filename="in_voltage2_raw" value="533" /><attribute name="scale" filename="in_voltage_scale" value="0.610351562" /></channel><channel id="voltage6" type="input" ><attribute name="raw" filename="in_voltage6_raw" value="1076" /><attribute name="scale" filename="in_voltage_scale" value="0.610351562" /></channel><channel id="voltage3" type="input" ><attribute name="raw" filename="in_voltage3_raw" value="1922" /><attribute name="scale" filename="in_voltage_scale" value="0.610351562" /></channel><channel id="voltage7" type="input" ><attribute name="raw" filename="in_voltage7_raw" value="1747" /><attribute name="scale" filename="in_voltage_scale" value="0.610351562" /></channel><channel id="voltage0" type="input" ><attribute name="raw" filename="in_voltage0_raw" value="2229" /><attribute name="scale" filename="in_voltage_scale" value="0.610351562" /></channel><channel id="voltage4" type="input" ><attribute name="raw" filename="in_voltage4_raw" value="2376" /><attribute name="scale" filename="in_voltage_scale" value="0.610351562" /></channel><attribute name="waiting_for_supplier" value="0" /></device></context> |
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import pytest | ||
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hardware = "ad7091r8" | ||
classname = "adi.ad7091rx" | ||
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######################################### | ||
@pytest.mark.iio_hardware(hardware) | ||
@pytest.mark.parametrize("classname", [(classname)]) | ||
@pytest.mark.parametrize("attr", ["raw"]) | ||
@pytest.mark.parametrize( | ||
"channel", | ||
[ | ||
"voltage0", | ||
"voltage1", | ||
"voltage2", | ||
"voltage3", | ||
"voltage4", | ||
"voltage5", | ||
"voltage6", | ||
"voltage7", | ||
], | ||
) | ||
def test_ad7091rx_channel_attr_raw( | ||
test_attribute_single_value_channel_readonly, iio_uri, classname, channel, attr | ||
): | ||
test_attribute_single_value_channel_readonly(iio_uri, classname, channel, attr) |