ad9740: Add pyadi-iio support

[sarpadi]

Description

Adding pyadi support for the ad9740 DAC family - ad9740, ad9742, ad9744, ad9748

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How has this been tested?

Tested in hardware with linux support

Test Configuration:

• Hardware: Zedboard + eval ad9740 + Scope
• OS: Linux

Documentation

If this is a new feature or example please mention or link any documentation. All new hardware interface classes require documentation.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have signed off all commits and they contain "Signed-off by: "
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[github-actions]

Test Results

1 725 tests  ±0     470 ✅ ±0   13m 36s ⏱️ + 1m 30s
    1 suites ±0   1 255 💤 ±0 
    1 files   ±0       0 ❌ ±0 

Results for commit d641b92. ± Comparison against base commit dc776eb.

This pull request removes 4 and adds 4 tests. Note that renamed tests count towards both.

test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=rx_hardwaregain_chan0-val=[22.5, 0.5, 13.0, 26.5, 32.0, 22.0, 32.5, 26.0, 7.5, 14.0]-depends={'gain_control_mode_chan0': 'spi', 'rx_ensm_mode_chan0': 'rf_enabled'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=rx_hardwaregain_chan0-val=[30.5, 19.0, 11.5, 11.0, 18.5, 27.5, 19.0, 25.0, 12.5, 16.5]-depends={'gain_control_mode_chan1': 'spi', 'rx_ensm_mode_chan1': 'rf_enabled'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=tx_hardwaregain_chan0-val=[-12.3, -20.45, -11.5, -38.35, -5.0, -13.45, -23.6, -14.75, -16.7, -31.0]-depends={'atten_control_mode_chan0': 'spi'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=tx_hardwaregain_chan1-val=[-2.2, -5.8, -37.0, -29.3, -22.4, -28.35, -20.25, -1.75, -24.3, -9.1]-depends={'atten_control_mode_chan1': 'spi'}-classname=adi.adrv9002]

test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=rx_hardwaregain_chan0-val=[1.0, 17.5, 27.0, 2.0, 16.5, 19.5, 14.5, 2.5, 20.5, 13.5]-depends={'gain_control_mode_chan0': 'spi', 'rx_ensm_mode_chan0': 'rf_enabled'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=rx_hardwaregain_chan0-val=[26.0, 8.0, 29.0, 26.5, 20.5, 0.5, 15.5, 15.5, 19.0, 21.0]-depends={'gain_control_mode_chan1': 'spi', 'rx_ensm_mode_chan1': 'rf_enabled'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=tx_hardwaregain_chan0-val=[-28.4, -22.45, -3.15, -25.65, -19.05, -20.6, -35.25, -12.35, -30.65, -10.8]-depends={'atten_control_mode_chan0': 'spi'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=tx_hardwaregain_chan1-val=[-31.9, -20.6, -29.25, -15.9, -24.05, -31.7, -29.0, -39.05, -14.7, -28.7]-depends={'atten_control_mode_chan1': 'spi'}-classname=adi.adrv9002]

♻️ This comment has been updated with latest results.

[amiclaus]

as reference, check other PRs which add new parts:

• add proper testing
• add documentation
• supported_parts.md needs update.
• run pre-commit run --all-files