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Address review comments
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Update tests
Remove offset attribute property from driver
Update scale as read-only attribute
Rename V to mV
Use argparse and update example script

Signed-off-by: SGudla <[email protected]>
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SaikiranGudla committed Dec 16, 2024
1 parent c22d8ea commit 9272647
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17 changes: 2 additions & 15 deletions adi/ad7091r.py
Original file line number Diff line number Diff line change
Expand Up @@ -94,24 +94,11 @@ def raw(self):
"""AD7091r channel raw value"""
return self._get_iio_attr(self.name, "raw", False)

@property
def offset(self):
"""AD7091r channel offset value"""
return self._get_iio_attr_str(self.name, "offset", False)

@offset.setter
def offset(self, value):
self._set_iio_attr(self.name, "offset", False, str(Decimal(value).real))

@property
def scale(self):
"""AD7091r channel scale"""
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 thresh_falling_value(self):
"""Get channel threshold falling value"""
Expand Down Expand Up @@ -148,8 +135,8 @@ def thresh_either_hysteresis(self, value):
self.name, "thresh_either_hysteresis", False, str(Decimal(value))
)

def to_volts(self, index, val):
"""Converts raw value to SI"""
def to_mvolts(self, index, val):
"""Converts raw value to mV"""
_scale = self.channel[index].scale

ret = None
Expand Down
71 changes: 49 additions & 22 deletions examples/ad7091r_example.py
Original file line number Diff line number Diff line change
Expand Up @@ -31,34 +31,61 @@
# 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 argparse

import numpy as np
from adi.ad7091r import ad7091rx

# Set up AD7091r8
ad7091r8_dev = ad7091rx(uri="serial:COM46,230400,8n1", device_name="ad7091r-8")

# Get ADC channel 0 raw value and print it
raw = ad7091r8_dev.channel[0].raw
print(f"Raw value read from channel0 is {raw}")
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",
)

# Parse arguments
args = parser.parse_args()

# Set up AD7091R device
ad7091r_dev = ad7091rx(uri=args.uri, device_name=args.device_name)

# Get ADC channel 0 raw value and print it
raw = ad7091r_dev.channel[0].raw
print(f"Raw value read from channel0 is {raw}")

# Set threshold falling and rising values for channel 0
ad7091r_dev.channel[0].thresh_rising_value = 0x10F
print(
f"Channel 0 threshold rising value set to {ad7091r_dev.channel[0].thresh_rising_value}"
)

ad7091r_dev.channel[0].thresh_falling_value = 0x0F
print(
f"Channel 0 threshold falling value set to {ad7091r_dev.channel[0].thresh_falling_value}"
)

# Set threshold falling and rising values for channel 0
ad7091r8_dev.channel[0].thresh_rising_value = 0x10F
print(
f"Channel 0 threshold rising value set to {ad7091r8_dev.channel[0].thresh_rising_value}"
)
# 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

ad7091r8_dev.channel[0].thresh_falling_value = 0x0F
print(
f"Channel 0 threshold falling value set to {ad7091r8_dev.channel[0].thresh_falling_value}"
)
data = ad7091r_dev.rx()

# Capture a buffer of 100 samples from channel 0 and display them
chn = 0
ad7091r8_dev._rx_data_type = np.int32
ad7091r8_dev.rx_output_type = "raw"
ad7091r8_dev.rx_enabled_channels = [chn]
ad7091r8_dev.rx_buffer_size = 100
print(data)

data = ad7091r8_dev.rx()

print(data)
if __name__ == "__main__":
main()
2 changes: 1 addition & 1 deletion test/emu/devices/ad7091r.xml
Original file line number Diff line number Diff line change
@@ -1 +1 @@
<?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="serial" description="no-OS 0.1" ><context-attribute name="hw_carrier" value="SDP_K1" /><context-attribute name="hw_mezzanine" value="EVAL-AD7091R-8ARDZ" /><context-attribute name="hw_name" value="EVAL-AD7091R-8ARDZ" /><context-attribute name="uri" value="serial:/dev/ttyS0,230400,8n1n" /><context-attribute name="serial,port" value="/dev/ttyS0" /><context-attribute name="serial,description" value="ttyS0" /><device id="iio:device0" name="ad7091r-8" ><channel id="voltage0" name="Chn0" type="input" ><scan-element index="0" format="be:u12/16>>0" /><attribute name="raw" filename="in_voltage0_raw" value="0" /><attribute name="scale" filename="in_voltage0_scale" value=" 0.6105006337" /><attribute name="offset" filename="in_voltage0_offset" value="0" /><attribute name="thresh_falling_value" filename="in_voltage0_thresh_falling_value" value="0" /></channel><attribute name="thresh_rising_value" filename="in_voltage0_thresh_rising_value" value="4095" /><attribute name="thresh_either_hysteresis" filename="in_voltage0_thresh_either_hysteresis" value="511" /><channel id="voltage1" name="Chn1" type="input" ><scan-element index="1" format="be:u12/16>>0" /><attribute name="raw" filename="in_voltage1_raw" value="0" /><attribute name="scale" filename="in_voltage1_scale" value=" 0.6105006337" /><attribute name="offset" filename="in_voltage1_offset" value="0" /><attribute name="thresh_falling_value" filename="in_voltage1_thresh_falling_value" value="0" /></channel><attribute name="thresh_rising_value" filename="in_voltage1_thresh_rising_value" value="4095" /><attribute name="thresh_either_hysteresis" filename="in_voltage1_thresh_either_hysteresis" value="511" /><channel id="voltage2" name="Chn2" type="input" ><scan-element index="2" format="be:u12/16>>0" /><attribute name="raw" filename="in_voltage2_raw" value="0" /><attribute name="scale" filename="in_voltage2_scale" value=" 0.6105006337" /><attribute name="offset" filename="in_voltage2_offset" value="0" /><attribute name="thresh_falling_value" filename="in_voltage2_thresh_falling_value" value="0" /></channel><attribute name="thresh_rising_value" filename="in_voltage2_thresh_rising_value" value="4095" /><attribute name="thresh_either_hysteresis" filename="in_voltage2_thresh_either_hysteresis" value="511" /><channel id="voltage3" name="Chn3" type="input" ><scan-element index="3" format="be:u12/16>>0" /><attribute name="raw" filename="in_voltage3_raw" value="0" /><attribute name="scale" filename="in_voltage3_scale" value=" 0.6105006337" /><attribute name="offset" filename="in_voltage3_offset" value="0" /><attribute name="thresh_falling_value" filename="in_voltage3_thresh_falling_value" value="0" /></channel><attribute name="thresh_rising_value" filename="in_voltage3_thresh_rising_value" value="4095" /><attribute name="thresh_either_hysteresis" filename="in_voltage3_thresh_either_hysteresis" value="511" /><channel id="voltage4" name="Chn4" type="input" ><scan-element index="4" format="be:u12/16>>0" /><attribute name="raw" filename="in_voltage4_raw" value="0" /><attribute name="scale" filename="in_voltage4_scale" value=" 0.6105006337" /><attribute name="offset" filename="in_voltage4_offset" value="0" /><attribute name="thresh_falling_value" filename="in_voltage4_thresh_falling_value" value="0" /></channel><attribute name="thresh_rising_value" filename="in_voltage4_thresh_rising_value" value="4095" /><attribute name="thresh_either_hysteresis" filename="in_voltage4_thresh_either_hysteresis" value="511" /><channel id="voltage5" name="Chn5" type="input" ><scan-element index="5" format="be:u12/16>>0" /><attribute name="raw" filename="in_voltage5_raw" value="0" /><attribute name="scale" filename="in_voltage5_scale" value=" 0.6105006337" /><attribute name="offset" filename="in_voltage5_offset" value="0" /><attribute name="thresh_falling_value" filename="in_voltage5_thresh_falling_value" value="0" /></channel><attribute name="thresh_rising_value" filename="in_voltage5_thresh_rising_value" value="4095" /><attribute name="thresh_either_hysteresis" filename="in_voltage5_thresh_either_hysteresis" value="511" /><channel id="voltage6" name="Chn6" type="input" ><scan-element index="6" format="be:u12/16>>0" /><attribute name="raw" filename="in_voltage6_raw" value="0" /><attribute name="scale" filename="in_voltage6_scale" value=" 0.6105006337" /><attribute name="offset" filename="in_voltage6_offset" value="0" /><attribute name="thresh_falling_value" filename="in_voltage6_thresh_falling_value" value="0" /></channel><attribute name="thresh_rising_value" filename="in_voltage6_thresh_rising_value" value="4095" /><attribute name="thresh_either_hysteresis" filename="in_voltage6_thresh_either_hysteresis" value="511" /><channel id="voltage7" name="Chn7" type="input" ><scan-element index="7" format="be:u12/16>>0" /><attribute name="raw" filename="in_voltage7_raw" value="0" /><attribute name="scale" filename="in_voltage7_scale" value=" 0.6105006337" /><attribute name="offset" filename="in_voltage7_offset" value="0" /><attribute name="thresh_falling_value" filename="in_voltage7_thresh_falling_value" value="0" /></channel><attribute name="thresh_rising_value" filename="in_voltage7_thresh_rising_value" value="4095" /><attribute name="thresh_either_hysteresis" filename="in_voltage7_thresh_either_hysteresis" value="511" /><debug-attribute name="direct_reg_access" value="0" /></device><device id="trigger0" name="ad7091r_iio_trigger" ></device></context>
<?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>
25 changes: 22 additions & 3 deletions test/test_ad7091r.py
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,25 @@
#########################################
@pytest.mark.iio_hardware(hardware)
@pytest.mark.parametrize("classname", [(classname)])
@pytest.mark.parametrize("channel", [0])
def test_ad7091rx_rx_data(test_dma_rx, iio_uri, classname, channel):
test_dma_rx(iio_uri, classname, channel)
@pytest.mark.parametrize(
"attr, start, stop, step, tol, repeats, sub_channel",
[
("raw", 0, 4000, 1000, 1, 3, "voltage0"),
("raw", 0, 4000, 1000, 1, 3, "voltage1"),
],
)
def test_ad7091rx_raw_attr(
test_attribute_single_value,
iio_uri,
classname,
attr,
start,
stop,
step,
tol,
repeats,
sub_channel,
):
test_attribute_single_value(
iio_uri, classname, attr, start, stop, step, tol, repeats, sub_channel
)

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