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
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...
sdmmc_card_t* card; // SD / MMC卡信息结构 const char mount_point[] = MOUNT_POINT; // 根目录 ESP_LOGI(TAG, "Initializing SD card"); // Use settings defined above to initialize SD card and mount FAT filesystem. // Note: esp_vfs_fat_sdmmc/sdspi_mount is all-in-one convenience ...
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...
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...
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 ...
importmachine,os# 插槽2使用引脚 sck=18,cs=5,miso=19,mosi=23sd=machine.SDCard(slot=2)os.mount(sd,"/sd")# 装载os.listdir('/sd')# 列出目录内容os.umunt('/sd')# 弹出 #RMT RMT是ESP32专用的,可以生成分辨率为12.5ns的精确数字脉冲。
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_...
... ...#include"app_sd.h"voidapp_main(){ SdCard_init(); app_wifi_main(); app_camera_main(); app_httpd_main(); app_mdns_main(); } 2.关键函数sd_write_jpg 这个函数是将jpeg图片的数据写入sd卡,我们在网页中看到的图像,无论是抓拍还是视频流,都是以jpeg的数据传输,这个数据是现成的,我们...
@rzeldent I isolated the problem to the UI initialization. If I remove it from my code entirely, I no longe have any issues reading/writing/append to files from the SD Card. Bellow you can see a simple evidence of the issue. According to...