mirror of
https://github.com/m5stack/M5Stack.git
synced 2026-05-20 10:06:46 -07:00
76 lines
3.3 KiB
Arduino
76 lines
3.3 KiB
Arduino
/*
|
|
*******************************************************************************
|
|
* Copyright (c) 2023 by M5Stack
|
|
* Equipped with M5Core sample source code
|
|
* 配套 M5Core 示例源代码
|
|
* Visit for more information: https://docs.m5stack.com/en/core/gray
|
|
* 获取更多资料请访问: https://docs.m5stack.com/zh_CN/core/gray
|
|
*
|
|
* Describe: SPIFFS Add(Write is to clean up the contents of the file and write
|
|
*it again.). 向SPIFFS中添加信息(write是将文件内容完全清除重新写) Date: 2021/8/4
|
|
******************************************************************************
|
|
*/
|
|
|
|
#include <M5Stack.h>
|
|
#include <SPIFFS.h>
|
|
|
|
String file_name =
|
|
"/M5Stack/notes.txt"; // Sets the location and name of the file to be
|
|
// operated on. 设置被操作的文件位置和名称
|
|
bool SPIFFS_FORMAT =
|
|
true; // Whether to initialize the SPIFFS. 是否初始化SPIFFS
|
|
// You don't need to format the flash file system every time you use it.
|
|
//无需每次使用闪存都进行格式化
|
|
|
|
void setup() {
|
|
M5.begin(); // Init M5Core. 初始化 M5Core
|
|
M5.Power.begin(); // Init power 初始化电源模块
|
|
M5.Lcd.setTextSize(2); // Set the font size to 2. 设置字号大小为2
|
|
if (SPIFFS_FORMAT) {
|
|
M5.Lcd.println(
|
|
"\nSPIFFS format start..."); // Screen prints format String.
|
|
// 屏幕打印格式化字符串
|
|
SPIFFS.format(); // Formatting SPIFFS. 格式化SPIFFS
|
|
M5.Lcd.println("SPIFFS format finish");
|
|
}
|
|
if (SPIFFS.begin()) { // Start SPIFFS, return 1 on success.
|
|
// 启动闪存文件系统,若成功返回1
|
|
M5.Lcd.println("\nSPIFFS Started.");
|
|
} else {
|
|
M5.Lcd.println("SPIFFS Failed to Start.");
|
|
}
|
|
|
|
if (SPIFFS.exists(
|
|
file_name)) { // Check whether the file_name file exists in the
|
|
// flash memory. 确认闪存中是否有file_name文件
|
|
M5.Lcd.println("FOUND.");
|
|
M5.Lcd.println(file_name);
|
|
|
|
File dataFile = SPIFFS.open(
|
|
file_name,
|
|
"a"); // Create a File object dafaFile to add information to
|
|
// file_name in the SPIFFS.
|
|
// 建立File对象dafaFile用于向SPIFFS中的file_name添加信息
|
|
dataFile.println(
|
|
"This is Appended Info."); // Adds string information to dataFile.
|
|
// 向dataFile添加字符串信息
|
|
dataFile.close(); // Close the file when writing is complete.
|
|
// 完成写入后关闭文件
|
|
M5.Lcd.println("Finished Appending data to SPIFFS");
|
|
} else {
|
|
M5.Lcd.println("NOT FOUND.");
|
|
M5.Lcd.print(file_name);
|
|
M5.Lcd.println("is creating.");
|
|
File dataFile = SPIFFS.open(
|
|
file_name,
|
|
"w"); // Create aFile object dafaFile to write information to
|
|
// file_name in the SPIFFS.
|
|
// 建立File对象dafaFile用于向SPIFFS中的file_name写入信息
|
|
dataFile.close(); // Close the file when writing is complete.
|
|
// 完成写入后关闭文件
|
|
M5.Lcd.println("Please Reset and disable format");
|
|
}
|
|
}
|
|
|
|
void loop() {
|
|
} |