samples: drivers: video: add arduino nicla vision

As supported board to the video capture sample.

Signed-off-by: Felipe Neves <[email protected]>

Author: uLipe

samples/drivers/video/capture/README.rst

@@ -24,6 +24,9 @@ Supported camera modules on some i.MX RT boards can be found below.
 - :ref:`mimxrt1170_evk`
 - `OV5640 camera module`_
 
+Also :ref:`arduino_nicla_vision_board` can be used in this sample as capture device, in that case
+The user can transfer the captured frames through on board USB.
+
 Wiring
 ******
 
@@ -35,6 +38,8 @@ On :ref:`mimxrt1170_evk`, the OV5640 camera module should be plugged into the
 J2 camera connector. A USB cable should be connected from a host to the micro
 USB debug connector (J11) in order to get console output via the daplink interface.
 
+For :ref:`arduino_nicla_vision_board` there is no extra wiring required.
+
 Building and Running
 ********************
 
@@ -56,6 +61,14 @@ For :ref:`mimxrt1170_evk`, build this sample application with the following comm
    :goals: build
    :compact:
 
+For :ref:`arduino_nicla_vision_board`, build this sample application with the following commands:
+
+.. zephyr-app-commands::
+   :zephyr-app: samples/drivers/video/capture
+   :board: arduino_nicla_vision/stm32h747xx/m7
+   :goals: build
+   :compact:
+
 For testing purpose without the need of any real video capture and/or display hardwares,
 a video software pattern generator is supported by the above build commands without
 specifying the shields.

samples/drivers/video/capture/boards/arduino_nicla_vision_stm32h747xx_m7.conf

@@ -0,0 +1,15 @@
+CONFIG_VIDEO_BUFFER_POOL_NUM_MAX=1
+CONFIG_VIDEO_BUFFER_POOL_SZ_MAX=160000
+CONFIG_DMA=y
+
+# Arduino Nicla Vision has easy access to the USB console
+# So use it to check the log messages
+CONFIG_USB_DEVICE_STACK=y
+CONFIG_USB_WORKQUEUE_STACK_SIZE=8192
+CONFIG_USB_DEVICE_INITIALIZE_AT_BOOT=y
+CONFIG_MAIN_STACK_SIZE=4096
+
+CONFIG_SERIAL=y
+CONFIG_CONSOLE=y
+CONFIG_UART_CONSOLE=y
+CONFIG_UART_LINE_CTRL=y

samples/drivers/video/capture/boards/arduino_nicla_vision_stm32h747xx_m7.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright 2024 Felipe Neves
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+/ {
+	chosen {
+		zephyr,console = &cdc_acm_uart0;
+		zephyr,shell-uart = &cdc_acm_uart0;
+	};
+};
+
+zephyr_udc0: &usbotg_hs {
+	status = "okay";
+	cdc_acm_uart0: cdc_acm_uart0 {
+		compatible = "zephyr,cdc-acm-uart";
+	};
+};

samples/drivers/video/capture/sample.yaml

@@ -20,6 +20,7 @@ tests:
         - "size"
         - "timestamp"
     platform_allow:
+      - arduino_nicla_vision/stm32h747xx/m7
       - mimxrt1064_evk
       - mimxrt1170_evk/mimxrt1176/cm7
       - mm_swiftio

samples/drivers/video/capture/src/main.c

@@ -75,7 +75,7 @@ static inline void video_display_frame(const struct device *const display_dev,
 
 int main(void)
 {
-	struct video_buffer *buffers[2], *vbuf;
+	struct video_buffer *buffers[CONFIG_VIDEO_BUFFER_POOL_NUM_MAX], *vbuf;
 	struct video_format fmt;
 	struct video_caps caps;
 	unsigned int frame = 0;