2019-11-13 add read single data from csv file

2019-11-13 add read single data from csv file

14_ReadFromCsvSingle/CMakeLists.txt

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+# The following four 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(project_template)

14_ReadFromCsvSingle/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 := project_template
+
+include $(IDF_PATH)/make/project.mk
+

14_ReadFromCsvSingle/main/CMakeLists.txt

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+set(COMPONENT_SRCS "user_main.c")
+
+register_component()

14_ReadFromCsvSingle/main/component.mk

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+#
+# "main" pseudo-component makefile.
+#
+# (Uses default behaviour of compiling all source files in directory, adding 'include' to include path.)
+

14_ReadFromCsvSingle/main/user_main.c

@@ -0,0 +1,142 @@
+/*
+ * @Author: your name
+ * @Date: 2019-10-13 12:49:47
+ * @LastEditTime: 2019-11-14 21:33:00
+ * @LastEditors: Please set LastEditors
+ * @Description: In User Settings Edit
+ * @FilePath: \ESP8266_RTOS_SDK\examples\get-started\project_template\main\user_main.c
+ */
+#include <stdio.h>
+#include <string.h>
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "freertos/event_groups.h"
+
+#include "esp_system.h"
+#include "esp_err.h"
+#include "esp_log.h"
+#include "nvs_flash.h"
+#include "nvs.h"
+
+//这个宏的数值是从 自定义分区表获取
+#define MFG_PARTITION_NAME "fctry"
+//这个宏的数值是从 csv文件定义获取
+#define NVS_PRODUCT "user-info"
+
+static const char *TAG = "wrapper_product";
+
+/**
+ * @description:  读取数据进去nvs里面的任务
+ * @param {type} null
+ * @return: 
+ */
+static void Task_NVS_Read(void *pvParameters)
+{
+
+    ESP_LOGI(TAG, "--------------------------- Start Task_NVS_Read  --------------------------");
+
+    nvs_handle mHandleNvsRead;
+    uint8_t nvs_i8 = 0;
+    esp_err_t err;
+
+    //初始化分区
+    if ((err = nvs_flash_init_partition(MFG_PARTITION_NAME)) != ESP_OK)
+    {
+        ESP_LOGE(TAG, "NVS Flash init %s failed, Please check that you have flashed fctry partition!!!", MFG_PARTITION_NAME);
+        vTaskDelete(NULL);
+    }
+
+    //NVS操作的句柄，类似于 rtos系统的任务创建返回的句柄！
+    err = nvs_open_from_partition(MFG_PARTITION_NAME, NVS_PRODUCT, NVS_READONLY, &mHandleNvsRead);
+
+    //打开数据库，打开一个数据库就相当于会返回一个句柄
+    if (err != ESP_OK)
+    {
+        ESP_LOGE(TAG, "Open NVS Table fail");
+        vTaskDelete(NULL);
+    }
+    else
+    {
+        ESP_LOGI(TAG, "Open NVS Table ok.");
+    }
+
+    //读取 字符串 --> 名字
+    char data[65];
+    uint32_t len = sizeof(data);
+    err = nvs_get_str(mHandleNvsRead, "Name", data, &len);
+
+    if (err == ESP_OK)
+        ESP_LOGI(TAG, "get str data = %s ", data);
+    else
+        ESP_LOGI(TAG, "get str data error");
+
+    //读取 u8 年龄
+    err = nvs_get_u8(mHandleNvsRead, "Age", &nvs_i8);
+    if (err == ESP_OK)
+        ESP_LOGI(TAG, "get nvs_i8 = %d ", nvs_i8);
+    else
+        ESP_LOGI(TAG, "get nvs_i8 error");
+
+    //读取 字符串 --> Csdn博客地址
+    char Csdn[65];
+    uint32_t lenCsdn = sizeof(Csdn);
+    err = nvs_get_str(mHandleNvsRead, "Csdn", Csdn, &lenCsdn);
+
+    if (err == ESP_OK)
+        ESP_LOGI(TAG, "get str data = %s ", Csdn);
+    else
+        ESP_LOGI(TAG, "get Csdn data error");
+
+    //读取 字符串 --> GitHub地址
+    char GitHub[65];
+    uint32_t lenGitHub = sizeof(GitHub);
+    err = nvs_get_str(mHandleNvsRead, "GitHub", GitHub, &lenGitHub);
+
+    if (err == ESP_OK)
+        ESP_LOGI(TAG, "get GitHub data = %s ", GitHub);
+    else
+        ESP_LOGI(TAG, "get GitHub data error");
+
+    //关闭数据库，关闭面板！
+    nvs_close(mHandleNvsRead);
+
+    ESP_LOGI(TAG, "--------------------------- End Task_NVS_Read  --------------------------");
+    vTaskDelete(NULL);
+}
+
+/******************************************************************************
+ * FunctionName : app_main
+ * Description  : entry of user application, init user function here
+ * Parameters   : none
+ * Returns      : none
+*******************************************************************************/
+void app_main(void)
+{
+
+    //Initialize NVS
+    esp_err_t ret = nvs_flash_init();
+    if (ret == ESP_ERR_NVS_NO_FREE_PAGES)
+    {
+        ESP_ERROR_CHECK(nvs_flash_erase());
+        ret = nvs_flash_init();
+    }
+    ESP_ERROR_CHECK(ret);
+
+    printf("\n\n-------------------------------- Get Systrm Info------------------------------------------\n");
+    //获取IDF版本
+    printf("     SDK version:%s\n", esp_get_idf_version());
+    //获取芯片可用内存
+    printf("     esp_get_free_heap_size : %d  \n", esp_get_free_heap_size());
+    //获取从未使用过的最小内存
+    printf("     esp_get_minimum_free_heap_size : %d  \n", esp_get_minimum_free_heap_size());
+    //获取芯片的内存分布，返回值具体见结构体 flash_size_map
+    printf("     system_get_flash_size_map(): %d \n", system_get_flash_size_map());
+    //获取mac地址（station模式）
+    uint8_t mac[6];
+    esp_read_mac(mac, ESP_MAC_WIFI_STA);
+    printf("esp_read_mac(): %02x:%02x:%02x:%02x:%02x:%02x \n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+    printf("--------------------------------------------------------------------------\n\n");
+
+    //创建一个读取的任务
+    xTaskCreate(Task_NVS_Read, "Task_NVS_Read", 1024, NULL, 5, NULL);
+}

14_ReadFromCsvSingle/partitions_esp32.csv

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+# Name,   Type, SubType, Offset,   Size, Flags
+# Note: if you change the phy_init or app partition offset, make sure to change the offset in Kconfig.projbuild
+nvs,      data, nvs,     ,        0x4000,
+otadata,  data, ota,     ,        0x2000,
+phy_init, data, phy,     ,        0x1000,
+ota_0,    app,  ota_0,   ,        1M,
+ota_1,    app,  ota_1,   ,        1M,
+fctry,    data, nvs,     ,        0x4000