Quectel UC20 FILE AT Commands Manual V1.0

• About the document
• Contents
• 1 Introduction
  • 1.1. The Process of Using File AT Commands
• 2 Description of AT Command
  • 2.1. AT+QFLDS Get the Space Information of the Storage
  • 2.2. AT+QFLST List Files
  • 2.3. AT+QFDEL Delete the File in the Storage
  • 2.4. AT+QFMOV Move the File
  • 2.5. AT+QFUPL Upload File to the Storage
  • 2.6. AT+QFDWL Download the File from the Storage
  • 2.7. AT+QFOPEN Open the File
  • 2.8. AT+QFREAD Read the File
  • 2.9. AT+QFWRITE Write the File
  • 2.10. AT+QFSEEK Seek the File
  • 2.11. AT+QFPOSITION Get the Offset of the File Pointer
  • 2.12. AT+QFFLUSH Force to Write the Data Remaining in the Buffer
  • 2.13. AT+QFTUCAT Truncate the File from the File Pointer
  • 2.14. AT+QFCLOSE Close the File
• 3 Example
  • 3.1. Upload and Download Files
    • 3.1.1. Upload the File
      • 3.1.1.1. Non ACK Mode
      • 3.1.1.2. ACK Mode
    • 3.1.2. Download the File
  • 3.2. Write and Read the File
    • 3.2.1. Write and Read UFS File
    • 3.2.2. Write and Read RAM File
  • 3.3. Move the File
    • 3.3.1. Move a Single File
    • 3.3.2. Move all Files of One Storage
• 4 Appendix A Summary of <err> Code