chore: import upstream snapshot with attribution

examples/peripherals/camera/common_components/sensor_init/include/example_sensor_init.h

@@ -0,0 +1,55 @@
+/*
+ * SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include "driver/i2c_master.h"
+#include "esp_cam_sensor.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Handle of SCCB interface and sensor
+ */
+typedef struct {
+    esp_sccb_io_handle_t sccb_handle;            /*!< SCCB io handle that created by `sccb_new_i2c_io` */
+    i2c_master_bus_handle_t i2c_bus_handle;      /*!< I2C bus handle that created by `i2c_new_master_bus` */
+} example_sensor_handle_t;
+
+/**
+ * @brief Configuration of SCCB interface and sensor
+ */
+typedef struct {
+    int i2c_port_num;               /* SCCB: i2c port */
+    int i2c_sda_io_num;             /* SCCB: i2c SDA IO number */
+    int i2c_scl_io_num;             /* SCCB: i2c SCL IO number */
+    int reset_pin;                  /* Sensor: reset GPIO number, -1 if unused */
+    int pwdn_pin;                   /* Sensor: power-down GPIO number, -1 if unused */
+    int xclk_pin;                   /* Sensor: XCLK GPIO number, -1 if unused */
+    esp_cam_sensor_port_t port;     /* Sensor: interface of the camera sensor */
+    const char *format_name;        /* Sensor: format to be set for the camera sensor */
+} example_sensor_config_t;
+
+/**
+ * @brief SCCB Interface and Sensor Init
+ *
+ * @param[in]  sensor_config         Camera sensor configuration
+ * @param[out] out_sensor_handle     Camera sensor handle
+ */
+void example_sensor_init(example_sensor_config_t *sensor_config, example_sensor_handle_t *out_sensor_handle);
+
+/**
+ * @brief SCCB Interface and Sensor Deinit
+ *
+ * @param[in] out_sensor_handle      Camera sensor handle
+ */
+void example_sensor_deinit(example_sensor_handle_t sensor_handle);
+
+#ifdef __cplusplus
+}
+#endif

examples/peripherals/camera/common_components/sensor_init/include/example_sensor_init_config.h

@@ -0,0 +1,17 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define EXAMPLE_CAM_SCCB_FREQ                   (100 * 1000)
+
+#ifdef __cplusplus
+}
+#endif