sdmmc_card_t *card; esp_err_t sd_init() { esp_err_t ret; static const char *TAG = "example"; // Options for mounting the filesystem. // If format_if_mount_failed is set to true, SD card will be partitioned and // formatted in case when mounting fails. esp_vfs_fat_sdmmc_...
if(cardType == CARD_NONE){ Serial.println("No SD card attached"); return; } Serial.print("SD Card Type: "); //输出SD卡类型 if(cardType == CARD_MMC){ Serial.println("MMC"); } else if(cardType == CARD_SD){ Serial.println("SDSC"); } else if(cardType == CARD_SDHC){ Seria...
2.5 esp_vfs_fat_sdspi_mount 2.6 esp_vfs_fat_sdcard_unmount 以下SDMMC 接口位于sdmmc/include/sdmmc_cmd.h。 2.7 sdmmc_card_print_info 三、编程流程 SPI总线初始化 esp_vfs_fat_sdspi_mount()挂载文件系统 使用FATFS库安装FAT文件系统(如果无法安装文件系统,则使用格式化卡); 在VFS中注册FAT文件系统,...
Have a FAT Formatted SD Card connected to the SPI port of the ESP8266 The web root is the SD Card root folder File extensions with more than 3 charecters are not supported by the SD Library File Names longer than 8 charecters will be truncated by the SD library, so keep filenames shor...
cd ~/esp/esp32_sdmmc 项目树 刷新esp-idf环境 get_idf 配置项目 idf.py menuconfig 在SD Card Example menu菜单下配置: 选择Format the card if mount failed。 如果安装失败就格式化卡。 保存,退出。 编译项目 idf.py build 烧写项目 连接设备时我PC将USB-SERIAL识别为COM3。 idf.py -p /dev/ttyS3 -...
uint8_t show_sd_info = 0; // 0 未显示SD卡信息,1 已显示SD卡信息 uint8_t card_mount(void) { ESP_LOGI(TAG, "Initializing SDCARD file system"); esp_err_t ret; // Options for mounting the filesystem. // If format_if_mount_failed is set to true, SD card will be partitioned ...
uint64_t cardSize= SD_MMC.cardSize() / (1024*1024);//获取SD卡大小,大小单位是MBSerial.printf("SD 卡容量大小: %lluMB\n", cardSize); }//*** 获取当前时间作为返回的函数部分voidget_time_path()//获取目前时间返回字符串{ memset(timr_str,0,sizeof(timr_str)); configTime(gmtOffset_sec,...
.format_if_mount_failed = false, #endif // EXAMPLE_FORMAT_IF_MOUNT_FAILED .max_files = 5, .allocation_unit_size = 16 * 1024 }; sdmmc_card_t *card; const char mount_point[] = MOUNT_POINT; ESP_LOGI(TAG, "Initializing SD card"); ...
1. 宏定义使能 SD 卡功能 #define HAL_ESP32_SDCARD 2. 挂载 SD 卡 bool sdcard_retry(void){ if(!card) return mount_sdcard(); return true;} bool mount_sdcard(){ printf("...Try mount.\n"); sdmmc_host_t host = SDMMC_HOST_DEFAULT(); host.max_freq_khz = SDM...
.format_if_mount_failed = false, .max_files = 5, .allocation_unit_size = 4 * 1024 }; esp_err_t ret = esp_vfs_fat_sdmmc_mount("/SDCARD", &host, &slot_config, &mount_config, &card); if (ret == ESP_OK) { mkdir("/SDCARD/APM", 0777); ...