2020-12-30 Add camera pic to your cloud

xuhongv · Dec 30, 2020 · ec96533 · ec96533
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diff --git a/22_take_pic_http_to_cloud/CMakeLists.txt b/22_take_pic_http_to_cloud/CMakeLists.txt
@@ -0,0 +1,6 @@
+# The following five lines of boilerplate have to be in your project's
+# CMakeLists in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.5)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(blink)
diff --git a/22_take_pic_http_to_cloud/Makefile b/22_take_pic_http_to_cloud/Makefile
@@ -0,0 +1,9 @@
+#
+# This is a project Makefile. It is assumed the directory this Makefile resides in is a
+# project subdirectory.
+#
+
+PROJECT_NAME := blink
+
+include $(IDF_PATH)/make/project.mk
+
diff --git a/22_take_pic_http_to_cloud/README.md b/22_take_pic_http_to_cloud/README.md
@@ -0,0 +1,166 @@
+# take_pic_http_to_cloud
+
+# 目录
+
+- [1.功能描述](#Funtion)  
+- [2.准备](#hardwareprepare)  
+- [3.服务器准备](#clouds)  
+- [4.嵌入式代码详解](#device)  
+- [5.推荐开源好玩DIY的一览表](#other)  
+
+## <span id = "Funtion">一、功能描述</span>
+
+本文基于 linux 环境，通过安信可 ESP32-Cam 开发板 SDK C语言编程二次开发，本地拍照图片上传到指定的服务器。
+
+## <span id = "Introduction">二、准备</span>
+
+### 硬件
+
+- 安信可 ESP32-Cam 开发板：https://item.taobao.com/item.htm?id=573698917181
+
+- TTL-USB 调试工具（推荐使用这个，保证足够的电压电流）：https://item.taobao.com/item.htm?id=565546260974
+
+### 软件
+
+- 环境搭建：[Linux环境搭建 /relese/v3.3.2 分支](https://docs.espressif.com/projects/esp-idf/zh_CN/v3.3.2/get-started/linux-setup.html)
+- esp-idf commitId: `b4c0751692a18db098a9a6139b2ab5a789d39167`
+- 工具链设置：下载 toolchain，博主使用的版本是：```gcc version 5.2.0 (crosstool-NG crosstool-ng-1.22.0-97-gc752ad5)```
+- Python版本：`Python 2.7.17`
+
+## <span id = "clouds">三、服务器准备</span>
+
+本代码以HTTP 协议POST提交 ，数据流形式把图片上传到服务器。其格式如下：
+
+```c
+POST /index.php HTTP/1.1
+Host: www.domain.com
+Content-Type: image/jpeg
+Content-Length: 12540
+
+"<file contents here>"
+```
+
+因此，服务器要以数据流接收，以 `PHP`语言为例：
+
+```php
+//接受数据流
+$stream = file_get_contents('php://input');
+//数据流转化为png格式，并保存在指定的位置
+$len = file_put_contents('/www/wwwroot/static/' . time() . ".png", $stream); 
+```
+
+## <span id = "device">四、嵌入式代码详解</span>
+
+文件目录说明：
+
+```
+├─1_take_pic_http_to_cloud 
+│ ├─components 摄像头驱动代码组件
+│ ├─main 用户程序
+│ │ ├─app_wifi.c/h 连接路由器的逻辑实现
+│ │ ├─main.c 主文件程序入口
+```
+
+主文件逻辑代码协议详解：
+
+```c
+static void http_test_task(void *pvParameters)
+{
+
+    //等待Wi-Fi连接成功
+    app_wifi_wait_connected();
+
+    ESP_LOGI(TAG, "Http Start");
+    size_t _jpg_buf_len;
+    uint8_t *_jpg_buf;
+    camera_fb_t *pic = NULL;
+    esp_err_t res = ESP_OK;
+    size_t fb_len = 0;
+
+    //配置服务器相关信息
+    esp_http_client_config_t config = {
+        .url = "http://www.domain.com/index.php",
+        .method = HTTP_METHOD_POST,
+        .event_handler = _http_event_handler,
+        .buffer_size = 4096,
+        .timeout_ms = 10000,
+    };
+
+    esp_http_client_handle_t client = esp_http_client_init(&config);
+
+    //开始拍照
+    pic = esp_camera_fb_get();
+
+    if (!pic)
+    {
+        ESP_LOGE(TAG, "Camera capture failed");
+    }
+    else
+    {
+        //拍照成功，获取其大小、尺寸等信息
+        ESP_LOGI(TAG, "Camera capture OK , Its size was: %zu bytes", pic->len);
+        ESP_LOGI(TAG, "Camera capture OK , Its width was: %d", pic->width);
+        ESP_LOGI(TAG, "Camera capture OK , Its height was: %d ", pic->height);
+
+        //设置HTTP请求头为image/jpg表示图片类型
+        res = esp_http_client_set_header(client, "Content-Type", "image/jpg");
+        if (res != ESP_OK)
+        {
+            ESP_LOGE(TAG, "esp_http_client_set_header result code : [%s]", esp_err_to_name(res));
+            goto end;
+        }
+
+        //把图片放在body里面
+        res = esp_http_client_set_post_field(client, (const char *)pic->buf, pic->len);
+        if (res != ESP_OK)
+        {
+            ESP_LOGE(TAG, "esp_http_client_set_post_field result  code : [%s]", esp_err_to_name(res));
+            goto end;
+        }
+
+        vTaskDelay(1000 / portTICK_RATE_MS);
+
+        //开始执行请求服务器
+        res = esp_http_client_perform(client);
+
+        //判断是否请求成功
+        if (res == ESP_OK)
+        {
+         ESP_LOGI(TAG, "HTTPS Status = %d, content_length = %d", 
+                  esp_http_client_get_status_code(client), esp_http_client_get_content_length(client));
+        }
+        else
+        {
+            ESP_LOGE(TAG, "perform http request %s", esp_err_to_name(res));
+        }
+    }
+
+end:
+{
+    esp_camera_fb_return(pic);
+    esp_http_client_cleanup(client);
+    free(buffer);
+}
+
+    ESP_LOGI(TAG, "Http End");
+    vTaskDelete(NULL);
+}
+```
+
+## <span id = "device">五、推荐开源好玩DIY的一览表
+
+| 开源项目                                                 | 地址                                                        | 开源时间   |
+| -------------------------------------------------------- | ----------------------------------------------------------- | ---------- |
+| ESP32-Cam摄像头拍照上传到私有服务器                      |                                                             | 2020.12.30 |
+| 微信小程序连接mqtt服务器，控制esp8266智能硬件            | https://github.com/xuhongv/WeChatMiniEsp8266                | 2018.11    |
+| 微信公众号airkiss配网以及近场发现在esp8266的实现         | https://github.com/xuhongv/xLibEsp8266Rtos3.1AirKiss        | 2019.3     |
+| 微信公众号airkiss配网以及近场发现在esp32/esp32S2的实现   | https://github.com/xuhongv/xLibEsp32IdfAirKiss              | 2019.9     |
+| 微信小程序控制esp8266实现七彩效果项目源码                | https://github.com/xuhongv/WCMiniColorSetForEsp8266         | 2019.9     |
+| 微信小程序蓝牙配网blufi实现在esp32源码                   | https://github.com/xuhongv/BlufiEsp32WeChat                 | 2019.11    |
+| 微信小程序蓝牙ble控制esp32七彩灯效果                     | https://blog.csdn.net/xh870189248/article/details/101849759 | 2019.10    |
+| 可商用的事件分发的微信小程序mqtt断线重连框架             | https://blog.csdn.net/xh870189248/article/details/88718302  | 2019.2     |
+| 微信小程序以 websocket 连接阿里云IOT物联网平台mqtt服务器 | https://blog.csdn.net/xh870189248/article/details/91490697  | 2019.6     |
+| 微信公众号网页实现连接mqtt服务器                         | https://blog.csdn.net/xh870189248/article/details/100738444 | 2019.9     |
+| 微信小程序AP配网Wi-Fi ESP32-S2模块                       | https://github.com/xuhongv/WeChatMiniAP2Net                 | 2020.9.21  |
+| 云云对接方案服务器源码 xClouds-php PHP TP5开发框架       | https://github.com/xuhongv/xClouds-php                      | 2020.8.4   |
+| 微信小程序端自定义view七彩采集颜色圆环控件               | https://github.com/xuhongv/WCMiniColorPicker                | 2019.12.04 |
diff --git a/22_take_pic_http_to_cloud/components/.gitignore b/22_take_pic_http_to_cloud/components/.gitignore
@@ -0,0 +1 @@
+*.DS_Store
diff --git a/22_take_pic_http_to_cloud/components/CMakeLists.txt b/22_take_pic_http_to_cloud/components/CMakeLists.txt
@@ -0,0 +1,35 @@
+if(IDF_TARGET STREQUAL "esp32")
+  set(COMPONENT_SRCS
+    driver/camera.c
+    driver/sccb.c
+    driver/sensor.c
+    driver/xclk.c
+    sensors/ov2640.c
+    sensors/ov3660.c
+    sensors/ov5640.c
+    sensors/ov7725.c
+    sensors/ov7670.c
+    sensors/nt99141.c
+    conversions/yuv.c
+    conversions/to_jpg.cpp
+    conversions/to_bmp.c
+    conversions/jpge.cpp
+    conversions/esp_jpg_decode.c
+    )
+
+  set(COMPONENT_ADD_INCLUDEDIRS
+    driver/include
+    conversions/include
+    )
+
+  set(COMPONENT_PRIV_INCLUDEDIRS
+    driver/private_include
+    sensors/private_include
+    conversions/private_include
+    )
+
+  set(COMPONENT_REQUIRES driver)
+  set(COMPONENT_PRIV_REQUIRES freertos nvs_flash)
+
+  register_component()
+endif()
diff --git a/22_take_pic_http_to_cloud/components/Kconfig b/22_take_pic_http_to_cloud/components/Kconfig
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+menu "Camera configuration"
+
+    config OV7670_SUPPORT
+        bool "Support OV7670 VGA"
+        default y
+        help
+            Enable this option if you want to use the OV7670.
+            Disable this option to safe memory.
+
+    config OV7725_SUPPORT
+        bool "Support OV7725 SVGA"
+        default n
+        help
+            Enable this option if you want to use the OV7725.
+            Disable this option to save memory.
+
+    config NT99141_SUPPORT
+        bool "Support NT99141 HD"
+        default y
+        help
+            Enable this option if you want to use the NT99141.
+            Disable this option to save memory.
+
+    config OV2640_SUPPORT
+        bool "Support OV2640 2MP"
+        default y
+        help
+            Enable this option if you want to use the OV2640.
+            Disable this option to save memory.
+
+    config OV3660_SUPPORT
+        bool "Support OV3660 3MP"
+        default y
+        help
+            Enable this option if you want to use the OV3360.
+            Disable this option to save memory.
+
+    config OV5640_SUPPORT
+        bool "Support OV5640 5MP"
+        default y
+        help
+            Enable this option if you want to use the OV5640.
+            Disable this option to save memory.
+
+    choice SCCB_HARDWARE_I2C_PORT
+        bool "I2C peripheral to use for SCCB"
+        default SCCB_HARDWARE_I2C_PORT1
+
+        config SCCB_HARDWARE_I2C_PORT0
+            bool "I2C0"
+        config SCCB_HARDWARE_I2C_PORT1
+            bool "I2C1"
+
+    endchoice
+
+    choice CAMERA_TASK_PINNED_TO_CORE
+        bool "Camera task pinned to core"
+        default CAMERA_CORE0
+        help
+            Pin the camera handle task to a certain core(0/1). It can also be done automatically choosing NO_AFFINITY.
+
+        config CAMERA_CORE0
+            bool "CORE0"
+        config CAMERA_CORE1
+            bool "CORE1"
+        config CAMERA_NO_AFFINITY
+            bool "NO_AFFINITY"
+
+    endchoice
+
+endmenu