.partition_label = partition_label, // 设置SPIFFS的分区标签 .max_files = max_files, // 设置文件系统支持的最大文件数 .format_if_mount_failed = true, // 如果挂载失败,是否尝试格式化分区 }; /* 使用上面定义的设置来初始化和挂载 SPIFFS 文件系统 */ esp_err_t ret_val = esp_vfs_spiffs_regi...
BCK、WS、DATA 引脚根据 ESP32 情况去修改 esp_vfs_spiffs_conf_t 结构体里的 max_files 的值根据音频文件数量去修改 fopen(“/audio/what_edit.wav”, “rb”) 根据要播放的文件名称去修改 完整代码如下: #include <stdio.h> #include <string.h> #include "driver/i2s.h" #include "esp_system.h" ...
.partition_label ="storage", .max_files =20, .format_if_mount_failed =false};esp_err_tret = esp_vfs_spiffs_register(&conf);if(ret != ESP_OK) {if(ret == ESP_FAIL) ESP_LOGE(TAG,"Failed to mount or format filesystem");elseif(ret == ESP_ERR_NOT_FOUND) ESP_LOGE(TAG,"Failed ...
#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"); // Use settings defined above to initialize SD card and mount FAT filesystem. // ...
.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); printf("sdcard is mounted\n"); ...
.max_files = 5, .allocation_unit_size = 16 * 1024 }; sdmmc_card_t *card; const char mount_point[] = MOUNT_POINT; ESP_LOGI(TAG, "Initializing SD card"); // Use settings defined above to initialize SD card and mount FAT filesystem. ...
(max_clients=10)ap.ifconfig(('192.168.163.1','255.255.255.0','192.168.163.1','8.8.8.8'))# ap模式自带dhcp-server,设置好ifconfig地址信息后系统会自动启用dhcp-serverprint('[boot]_[AP_init]_AP Mode active')_files=os.listdir('/')if'if_info.ini'in_files:os.remove('/if_info.ini')# ...
(portMAX_DELAY, &event_flags); // In this example, there is only one client registered // So, once we deregister the client, this call must succeed with ESP_OK if (event_flags & USB_HOST_LIB_EVENT_FLAGS_NO_CLIENTS) { ESP_ERROR_CHECK(usb_host_device_free_all()); break; } } ...
https://www.espressif.com/sites/default/files/documentation/esp32_technical_reference_manual_en.pdf#ledpwm 在设计手册里面有着更加详细的论述,我们之后再研读 一共是2组的通道 PWM 控制器可以自动逐渐增加或减少占空比,允许在没有任何处理器干扰的情况下进行衰减。
filename max 16 char PCM signed 8 bit, 22050 sample / sec, Use of the SPIFF: Currently, the "ESP32 data upload tool" has an error. Your sketch will not have access to the files after the upload. To fix this bug, please load the example sketch "SPIFF_Test" on your ESP32 and res...