Import (Read) a windows data file

[Dany0]

HI all

I'd like to know how to be able to read a data file from windows.

I have to convert those data (binary) from windows system, to another format, and then write them to a flash W25Q.

The only part I'm missing is how to open then read those bin files in windows. I have around 100 of those windows files to work on, and they are on the same windows folder.

So what are my options to do that.

Thanks all.

For now I'm using a Nucleo-L432KC, on STMcube 1.19.0.

[Andrew Neil]

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@Dany0 wrote:

I have to convert those data (binary) from windows system,

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What files?

Why does the conversion need to be done on the STM32?

Wouldn't it make more sense to do the conversion on the Host, and then simple transmit the data to the STM32?

You could look at Semihosting - a way for an embedded Target to access the Host file system; eg,

How to use semihosting with STM32CubeIDE and STM32.

Or ways to transfer the data to the host; eg,

• UART
• USB
• SD-Card
• Network (wired or wireless)
• Bluetooth
• etc, etc, ...

[Dany0]

The idea is that I've made a VB6 program to convert pictures ".BMP" to 5-6-5 format,  name ".TFT", using WIN7 a

long time ago and then save those files in a W25Q flash device to be inserted in a homemade board having Microchip processor.

Since I have to upgrade to STM32 for faster and bigger flash memory board using WIN10, I don.t want to use the "VB6 Converter" anymore, but be able to do all this from inside the STM L432KC.

Using UART and USB I think that I still will need a Windows program to send those 100 files, anyway.

But SD-card could be useful, I'll look for that option.

Any idea for a simple SD-card reader function ?

Thanks

[Andrew Neil · Accepted solution]

If you already have a PC program to do the conversion, why not just use it?

Yes, ST has examples of using SD-Cards; eg, with FatFs - check in CubeMX...