examples: Add pluto_tddn example

Add test example for the Generic TDD Engine using Pluto.
Works with Pluto in Phaser mode.

Signed-off-by: Ionut Podgoreanu <[email protected]>

examples/pluto_tddn.py

@@ -0,0 +1,27 @@
+# Copyright (C) 2024 Analog Devices, Inc.
+#
+# SPDX short identifier: ADIBSD
+
+import time
+
+import adi
+
+sdr = adi.Pluto()
+
+# Enable phaser logic in pluto
+gpio = adi.one_bit_adc_dac("ip:192.168.2.1")
+time.sleep(0.5)
+gpio.gpio_phaser_enable = True
+time.sleep(0.5)
+
+# Configure TDD properties
+tdd = adi.tddn("ip:pluto.local")
+tdd.enable = False  # make sure the TDD is disabled before changing properties
+tdd.frame_length_ms = 4  # each GPIO toggle is spaced 4ms apart
+tdd.startup_delay_ms = 0  # do not set a startup delay
+tdd.burst_count = 3  # there is a burst of 3 toggles, then off for a long time
+tdd.channel[0].on_ms = 0.5  # the first trigger will happen 0.5ms into the buffer
+tdd.channel[0].off_ms = 0.6  # each GPIO pulse will be 100us (0.6ms - 0.5ms)
+tdd.channel[0].enable = True  # enable CH0 output
+tdd.sync_external = True  # enable external sync trigger
+tdd.enable = True  # enable TDD engine