drivers: video: shell: add first shell commands

Introduction of a video shell command, with subcommands to operate
video APIs on a basic level, using a single buffer th be passed to a
video device of choice and dumped as hexadecimal or ANSI colors.

Signed-off-by: Josuah Demangeon <[email protected]>

Author: josuah

drivers/video/CMakeLists.txt

@@ -18,3 +18,4 @@ zephyr_library_sources_ifdef(CONFIG_VIDEO_ESP32		video_esp32_dvp.c)
 zephyr_library_sources_ifdef(CONFIG_VIDEO_MCUX_SDMA	video_mcux_smartdma.c)
 zephyr_library_sources_ifdef(CONFIG_VIDEO_EMUL_IMAGER	video_emul_imager.c)
 zephyr_library_sources_ifdef(CONFIG_VIDEO_EMUL_RX	video_emul_rx.c)
+zephyr_library_sources_ifdef(CONFIG_VIDEO_SHELL		video_shell.c)

drivers/video/Kconfig

@@ -78,4 +78,6 @@ source "drivers/video/Kconfig.emul_imager"
 
 source "drivers/video/Kconfig.emul_rx"
 
+source "drivers/video/Kconfig.shell"
+
 endif # VIDEO

drivers/video/Kconfig.shell

@@ -0,0 +1,8 @@
+# Copyright (c) 2024 tinyVision.ai Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+config VIDEO_SHELL
+	bool "Video shell commands support"
+	depends on SHELL
+	help
+	  Enable support for the video shell to perform commands on video devices.