From f3f42d363bb806db02a1bdbff2cd711f6701238c Mon Sep 17 00:00:00 2001
From: Jonathan Rico <jonathan.rico@nordicsemi.no>
Date: Mon, 11 Mar 2024 09:10:20 +0100
Subject: [PATCH] Bluetooth: shell: add bsim runner script

Spawns n instances of the bt-shell in separate xterm windows.

Assumes in-tree build of the shell, can optionally specify another .exe
image.

Also add snippet for that use-case (`-S xterm-native-shell`).

Signed-off-by: Jonathan Rico <jonathan.rico@nordicsemi.no>
---
 tests/bluetooth/shell/run-bsim.sh             | 43 +++++++++++++++++++
 .../snippets/xterm-native-shell/snippet.yml   |  4 ++
 .../xterm-native-shell.conf                   |  4 ++
 .../xterm-native-shell.overlay                | 25 +++++++++++
 4 files changed, 76 insertions(+)
 create mode 100755 tests/bluetooth/shell/run-bsim.sh
 create mode 100644 tests/bluetooth/shell/snippets/xterm-native-shell/snippet.yml
 create mode 100644 tests/bluetooth/shell/snippets/xterm-native-shell/xterm-native-shell.conf
 create mode 100644 tests/bluetooth/shell/snippets/xterm-native-shell/xterm-native-shell.overlay

diff --git a/tests/bluetooth/shell/run-bsim.sh b/tests/bluetooth/shell/run-bsim.sh
new file mode 100755
index 00000000000..88d5e37dc98
--- /dev/null
+++ b/tests/bluetooth/shell/run-bsim.sh
@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+# Copyright (c) 2024 Nordic Semiconductor
+# SPDX-License-Identifier: Apache-2.0
+
+set -e
+set -u
+
+if [ $# -eq 0 ]; then
+    echo "Usage: run.sh <number_of_devices> [exe_image]"
+    shift
+fi
+
+if [ $# -gt 2 ]; then
+    echo "Too many args"
+    shift
+fi
+
+echo "Starting simulation. Hit Ctrl-C to exit."
+
+# Build it with e.g.
+# cd $ZEPHYR_BASE/tests/bluetooth/shell
+# west build -d build -b nrf52_bsim -S xterm-native-shell $ZEPHYR_BASE/tests/bluetooth/shell
+default_image=${ZEPHYR_BASE}/tests/bluetooth/shell/build/zephyr/zephyr.exe
+
+num_devices=$1
+image="${2:-"${default_image}"}"
+
+# Cleanup all existing sims
+$BSIM_OUT_PATH/components/common/stop_bsim.sh
+
+# Force sim to real-time
+pushd $BSIM_OUT_PATH/components/device_handbrake
+./bs_device_handbrake -s=shell-sim -r=10 -d=0 &
+popd
+
+for dev_id in $(seq 1 ${num_devices}); do
+    echo "Start device $dev_id"
+    $image -s=shell-sim -d=$dev_id -RealEncryption=1 -rs=$dev_id -attach_uart -wait_uart &
+done
+
+# Start the PHY
+pushd $BSIM_OUT_PATH/bin
+$BSIM_OUT_PATH/bin/bs_2G4_phy_v1 -s=shell-sim -D=$((num_devices+=1))
diff --git a/tests/bluetooth/shell/snippets/xterm-native-shell/snippet.yml b/tests/bluetooth/shell/snippets/xterm-native-shell/snippet.yml
new file mode 100644
index 00000000000..836aa14542d
--- /dev/null
+++ b/tests/bluetooth/shell/snippets/xterm-native-shell/snippet.yml
@@ -0,0 +1,4 @@
+name: xterm-native-shell
+append:
+  EXTRA_CONF_FILE: xterm-native-shell.conf
+  EXTRA_DTC_OVERLAY_FILE: xterm-native-shell.overlay
diff --git a/tests/bluetooth/shell/snippets/xterm-native-shell/xterm-native-shell.conf b/tests/bluetooth/shell/snippets/xterm-native-shell/xterm-native-shell.conf
new file mode 100644
index 00000000000..b29c9b615a6
--- /dev/null
+++ b/tests/bluetooth/shell/snippets/xterm-native-shell/xterm-native-shell.conf
@@ -0,0 +1,4 @@
+CONFIG_NATIVE_UART_0_ON_OWN_PTY=y
+CONFIG_UART_NATIVE_WAIT_PTS_READY_ENABLE=y
+CONFIG_SHELL_BACKEND_SERIAL_RX_RING_BUFFER_SIZE=8192
+CONFIG_LOG_PRINTK=n
diff --git a/tests/bluetooth/shell/snippets/xterm-native-shell/xterm-native-shell.overlay b/tests/bluetooth/shell/snippets/xterm-native-shell/xterm-native-shell.overlay
new file mode 100644
index 00000000000..c47dd06bc38
--- /dev/null
+++ b/tests/bluetooth/shell/snippets/xterm-native-shell/xterm-native-shell.overlay
@@ -0,0 +1,25 @@
+/ {
+	chosen {
+		zephyr,console = &uart0;
+		zephyr,shell-uart = &uart0;
+	};
+};
+
+/* Use the PTY driver instead of the UART peripheral emulation that is now the
+ * default on nrf52_bsim. */
+
+&uart1 {
+	status = "okay";
+	compatible = "zephyr,native-posix-uart";
+	/delete-property/ pinctrl-0;
+	/delete-property/ pinctrl-1;
+	/delete-property/ pinctrl-names;
+};
+
+&uart0 {
+	status = "okay";
+	compatible = "zephyr,native-posix-uart";
+	/delete-property/ pinctrl-0;
+	/delete-property/ pinctrl-1;
+	/delete-property/ pinctrl-names;
+};