可以使用ESP32的内置文件系统将录制的音频保存到SPIFFS或SD卡中。 cpp // 示例代码片段,将音频数据保存到SPIFFS void save_audio_to_spiffs(const uint8_t *data, size_t size, const char *filename) { FILE *f = fopen(filename, "wb"); if (f == NULL) { Serial.println("Failed to open file...
然后,要附加文件,您只需调用 addAtatachFile() 在 smtpData 对象,并将文件路径作为参数传递。 smtpData.addAttachFile(FILE_PHOTO,"image/jpg"); 最后,您需要设置文件的保存位置(SPIFFS或SD卡)。我们正在使用SPIFFS: smtpData.setFileStorageType(
#define LOAD_GFXFF // FreeFonts. Include access to the 48 Adafruit_GFX free fonts FF1 to FF48 and custom fonts // Comment out the #define below to stop the SPIFFS filing system and smooth font code being loaded // this will save ~20kbytes of FLASH #define SMOOTH_FONT // ### // ...
void SPIFFSInit() { if (!SPIFFS.begin(true)) { Serial.println("SPIFFS initialisation failed!"); while (1) yield(); } SPIFFS.remove(filename); // 移除掉已存在的file file = SPIFFS.open(filename, FILE_WRITE); if (!file) { Serial.println("File is not available!"); } byte header[...
>找到// Section 2. Define the pins that are used to interface with the display here,同样找到目标开发板和TFT型号,这里我们找到// For ESP32 Dev board (only tested with GC9A01 display),将注释打开,按下图修改引脚,反复检查Section 2,将不想关的开发板和引脚进行注释 ...
Include access to the 48 Adafruit_GFX free fonts FF1 to FF48 and custom fonts // Comment out the #define below to stop the SPIFFS filing system and smooth font code being loaded // this will save ~20kbytes of FLASH #define SMOOTH_FONT // ### // // Section 4. Other options // ...
a folder named ‘spiffs_data‘ and inside that folder create a text file named ‘data.txt.’ This is the file that we will read from the SPI flash memory. You can add any text in this file. For example purposes, we will add the following text to our data.txt file and save it. ...
storage,data,spiffs,0x37b000,100K, esp_secure_cert,63,6,0x394000,8K,encrypted fctry,data,nvs,0x396000,24K, *** Partition Table build complete. To flash, run: idf.py partition-table-flash or idf.py -p PORT partition-table-flash or python -m esptool --chip esp32c2 -...
core 官网 3.2 plarformIO 官网 3.3 SPIFFS的使用Vscode.platformIO.spiffs基础配置1. 背景ESP8266开发时,需要静态存储一些信息到模块中,如mqtt配置,模块提供spiffs功能,使能够存储这些信息,本文讲述了基础配置步骤,以能够在vscode.platformIO中能够使用spiff功能; 2. 步骤 3. 参考 3.1esp ...
bool read_encoder(lv_indev_drv_t * indev, lv_indev_data_t * data) { static int32_t last_diff = 0; int32_t diff = 0; /* Dummy - no movement */ int btn_state = LV_INDEV_STATE_REL; /* Dummy - no press */ data->enc_diff = diff - last_diff;; ...