Enthernet Code
Enthernet Code
DIIDevHeads IoT Integration Server
Created by iamnarendrans on 5/13/2024 in #firmware-and-baremetal
How to create and write data in .xlsx file into the SD card using any microcontrollers like stm32,
Step 3: Initialize the SD card and establish communication. - Use the FatFs library to initialize the SD card and establish communication with the microcontroller. - Refer to the FatFs library documentation and examples for detailed instructions on how to initialize the SD card and mount the file system. Step 4: Create a new Excel workbook file on the SD card. - Use the Excel file manipulation library to create a new Excel workbook file in memory. - Some popular libraries for Excel manipulation are OpenXML (for creating Office Open XML-based files) and ExcelDataReader/ExcelWriter (for writing to Excel binary format). - Follow the documentation and examples provided by the library you choose to create a new workbook file and set up the necessary data structure. Step 5: Write the data for each frequency to a different sheet in the Excel workbook. - Use the same Excel file manipulation library to generate the XML code for each sheet and append it to the Excel file. - Create a new sheet for each frequency and populate it with the corresponding data. - Repeat this process for each frequency you want to write. Step 6: Close the Excel workbook file on the SD card and release resources. - Use the appropriate functions from the Excel file manipulation library to close the workbook file and release any allocated resources. - Ensure that all data has been properly saved and closed before proceeding. Required Libraries: - STM32Cube software suite (FatFs library): To manage the communication with the SD card. - OpenXML SDK or ExcelDataReader/ExcelWriter: Choose one of these libraries for Excel file manipulation. -
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