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DFR0654 Datasheet(PDF) 63 Page - DFROBOT |
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DFR0654 Datasheet(HTML) 63 Page - DFROBOT |
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63 / 122 page  2023/10/12 11:00 FireBeetle_Board_ESP32_E_SKU_DFR0654-DFRobot https://wiki.dfrobot.com/FireBeetle_Board_ESP32_E_SKU_DFR0654 63/122 Return value: a boolean value, true if the file is successfully removed, false if the file removal fails. mkdir() Description: Creates a folder. Parameters: filename, the name of the folder to create. It can include a path, separated by "/". Return value: a boolean value, true if the creation is successful, false if the creation fails. rmdir() Description: Removes a folder. The folder to be removed must be empty. Syntax: SD.rmdir(filename) Parameters: filename, the name of the folder to remove. It can include a path, separated by "/". Return value: a boolean value, true if the removal is successful, false if the removal fails. 10.2.2 File Class The File class provides the functionality to read/write files, and its member functions are similar to the serial-related functions previously used. The member functions are as follows: available() Description: Checks the number of bytes of readable data in the current file. Syntax: file.available() Parameters: |
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