samples: wifi: shell: Add playout/cap shell

Add a shell to configure playout/capture module in non-RF environments.

Signed-off-by: Chaitanya Tata <[email protected]>

Author: krish2718

samples/wifi/shell/CMakeLists.txt

@@ -9,6 +9,11 @@ cmake_minimum_required(VERSION 3.20.0)
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(nrf_wifi_shell)
 
+target_sources_ifdef(CONFIG_SOC_NRF7120_PREENG
+	app
+	PRIVATE
+	src/wifi_pocap_shell.c)
+
 target_sources_ifdef(CONFIG_NRF70_RAW_DATA_TX
 	app
 	PRIVATE

samples/wifi/shell/src/wifi_pocap_shell.c

@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/**
+ * @file
+ * @brief WiFi pre-silicon testing shell
+ */
+
+#include <zephyr/sys/printk.h>
+#include <zephyr/kernel.h>
+#include <zephyr/shell/shell.h>
+#include <zephyr/posix/unistd.h>
+#include <zephyr/logging/log.h>
+#include <soc.h>
+
+LOG_MODULE_REGISTER(pocap_mode, CONFIG_LOG_DEFAULT_LEVEL);
+
+static int cmd_wifi_pocap(const struct shell *sh, size_t argc, char *argv[])
+{
+	uint32_t rx_mode = 0, tx_mode = 0, rx_holdoff = 0, rx_wrap = 0, b2b_mode = 0;
+	int opt;
+
+	optind = 1;
+
+	while ((opt = getopt(argc, argv, "r:t:h:w:b:")) != -1) {
+		switch (opt) {
+		case 'r':
+			rx_mode = (uint32_t)atoi(optarg);
+			break;
+		case 't':
+			tx_mode = (uint32_t)atoi(optarg);
+			break;
+		case 'h':
+			rx_holdoff = (uint32_t)atoi(optarg);
+			break;
+		case 'w':
+			rx_wrap = (uint32_t)atoi(optarg);
+			break;
+		case 'b':
+			b2b_mode = (uint32_t)atoi(optarg);
+			break;
+		default:
+			shell_print(
+				sh,
+				"Usage: wifi_pocap [-b b2b_mode] [other opts]\n"
+				"b2b_mode=0: -r rx_mode -t tx_mode -h rx_holdoff_len -w "
+				"rx_wrap_len\n"
+				"Defaults: rx_mode=0 tx_mode=0 rx_holdoff=0 rx_wrap=0 b2b_mode=0");
+			return -EINVAL;
+		}
+	}
+
+	if (b2b_mode) {
+		shell_print(sh, "Config: back_to_back_mode=%u (others ignored in B2B mode)",
+			    b2b_mode);
+		configure_playout_capture(0, 0, 0, 0, b2b_mode);
+	} else {
+		shell_print(sh, "Config: rx=%u tx=%u holdoff=%u wrap=%u b2b=%u", rx_mode, tx_mode,
+			    rx_holdoff, rx_wrap, b2b_mode);
+		configure_playout_capture(rx_mode, tx_mode, rx_holdoff, rx_wrap, 0);
+	}
+
+	return 0;
+}
+
+SHELL_CMD_REGISTER(wifi_pocap, NULL, "Configure RF Playout Capture", cmd_wifi_pocap);