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...
"If you want the card to be formatted, set the CONFIG_EXAMPLE_FORMAT_IF_MOUNT_FAILED menuconfig option."); } else { ESP_LOGE(TAG, "Failed to initialize the card (%s). " "Make sure SD card lines have pull-up resistors in place.", esp_err_to_name(ret)); } return ESP_FAIL; } ...
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 -...
esp_vfs_fat_sdmmc_mount_config_t mount_config = { .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("/SD...
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...
拍摄并保存照片将以下代码复制到您的Arduino IDE中: 该代码首先包括使用相机所需的库。我们还包括与microSD卡交互所需的库: #include "esp_camera.h" #include "Arduino.h" #include "FS.h" // SD Card ESP32 #include "SD_MMC.h" // SD Card ESP32 ...
把SD卡插入ESP32CAM,参考下图接线,建议用5V,特别注意要把GND和IO0 接通: importcamerafrommachineimportPinimportuosimportutimefrommachineimportSDCard defled_switch(s,t):led=Pin(4,Pin.OUT)foriinrange(s):led.value(1)utime.sleep(t)led.value(0)utime.sleep(t)try:state=camera.init(0,format=camer...
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,...
write_sdmmc(gps_data_t gps_data) { char file_name[9] = {0}; char record[80] = {0}; uint8_t i = 0; uint8_t offset = 0; if (sdmmc_status == 0) { uint8_t init = card_mount(); // 初始化并装载TF卡 if (init == 0) { printf("TF 卡初始化成功! \n"); sdmmc_...
.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); ...