samples: video: tcpserversink: add stm32n6570_dk support

Add configuration files for the stm32n6570_dk board.

This enables streaming over ethernet of the images captured by
MB1854 camera module compressed in 1920x1080 H264 video bitstream.

Signed-off-by: Hugues Fruchet <[email protected]>

Author: hfruchet-st

samples/drivers/video/tcpserversink/README.rst

@@ -18,6 +18,9 @@ This samples requires a video capture device and network support.
 - :zephyr:board:`mimxrt1064_evk`
 - `MT9M114 camera module`_
 
+- :zephyr:board:`stm32n6570_dk`
+- :ref:`ST B-CAMS-IMX-MB1854 <st_b_cams_imx_mb1854>`
+
 Wiring
 ******
 
@@ -26,6 +29,12 @@ J35 camera connector. A USB cable should be connected from a host to the micro
 USB debug connector (J41) in order to get console output via the freelink
 interface. Ethernet cable must be connected to RJ45 connector.
 
+On :zephyr:board:`stm32n6570_dk`, the MB1854 IMX335 camera module must be plugged in
+the CSI-2 camera connector. A RJ45 ethernet cable must be plugged in the ethernet CN6
+connector. For an optimal image experience, it is advice to embed STM32 image signal
+processing middleware: https://github.com/stm32-hotspot/zephyr-stm32-mw-isp.
+
+
 Building and Running
 ********************
 
@@ -49,6 +58,26 @@ a video software pattern generator is supported by using :ref:`snippet-video-sw-
    :goals: build
    :compact:
 
+For :zephyr:board:`stm32n6570_dk`, the sample can be built with the following command:
+
+.. zephyr-app-commands::
+   :zephyr-app: samples/drivers/video/tcpserversink
+   :board: stm32n6570_dk
+   :shield: st_b_cams_imx_mb1854
+   :goals: build
+   :compact:
+
+The same can be built with H264 video compression support using :ref:`snippet-video-stm32-venc`:
+
+.. zephyr-app-commands::
+   :zephyr-app: samples/drivers/video/tcpserversink
+   :board: stm32n6570_dk
+   :shield: st_b_cams_imx_mb1854
+   :snippets: video-stm32-venc
+   :goals: build
+   :compact:
+
+
 Sample Output
 =============
 
@@ -71,7 +100,7 @@ Example with gstreamer:
 
 For video software generator, the default resolution should be width=320 and height=160.
 
-When using compression support, use this GStreamer command line:
+When using video compression support, use this GStreamer command line:
 
 .. code-block:: console
 

samples/drivers/video/tcpserversink/boards/stm32n6570_dk.conf

@@ -0,0 +1,15 @@
+# Video buffer pool
+CONFIG_VIDEO_BUFFER_POOL_SZ_MAX=10000000
+CONFIG_VIDEO_BUFFER_POOL_NUM_MAX=10
+
+CONFIG_FPU=y
+
+# Capture
+CONFIG_VIDEO_CAPTURE_N_BUFFERING=2
+
+# Video encoder
+CONFIG_MAIN_STACK_SIZE=4096
+
+# Network buffers
+CONFIG_NET_BUF_RX_COUNT=4
+CONFIG_NET_BUF_TX_COUNT=8

samples/drivers/video/tcpserversink/boards/stm32n6570_dk_stm32n657xx_fsbl.conf

@@ -0,0 +1,15 @@
+# Video buffer pool
+CONFIG_VIDEO_BUFFER_POOL_SZ_MAX=10000000
+CONFIG_VIDEO_BUFFER_POOL_NUM_MAX=10
+
+CONFIG_FPU=y
+
+# Capture
+CONFIG_VIDEO_CAPTURE_N_BUFFERING=2
+
+# Video encoder
+CONFIG_MAIN_STACK_SIZE=4096
+
+# Network buffers
+CONFIG_NET_BUF_RX_COUNT=4
+CONFIG_NET_BUF_TX_COUNT=8

samples/drivers/video/tcpserversink/boards/stm32n6570_dk_stm32n657xx_sb.conf

@@ -0,0 +1,15 @@
+# Video buffer pool
+CONFIG_VIDEO_BUFFER_POOL_SZ_MAX=10000000
+CONFIG_VIDEO_BUFFER_POOL_NUM_MAX=10
+
+CONFIG_FPU=y
+
+# Capture
+CONFIG_VIDEO_CAPTURE_N_BUFFERING=2
+
+# Video encoder
+CONFIG_MAIN_STACK_SIZE=4096
+
+# Network buffers
+CONFIG_NET_BUF_RX_COUNT=4
+CONFIG_NET_BUF_TX_COUNT=8