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Windows 7: MMC/SC Card writting to Unformatted cards

03 Nov 2010   #1

Windos 7 64bit Home Premium
MMC/SC Card writting to Unformatted cards

Hi, this is a toughy relating to using Windows 7 as a platform for Embedded processor code development.

I am moving from Linux to Widows 7, and doing quite well, but am stymied by an issue related to writing to an SD/MMC card.

In both Linux, and Windows GUI's, if a new MMC card is inserted, they both try to mount and format it. I am using the card in an embedded processor application which DOES NOT want formatted cards. I want to write a raw binary program file over directly.

So in Linux I unmount the drive after the card is inserted,
and then type: cat filename > /dev/mmc_card

But in Windows 7 what to do? It is a necessary function, because not all embedded OS's use FAT32/etc formatted card readers, but just load the data off by command. Using Windows 7 for embedded will be superb if I can solve this. I just bet it can be done.


My System SpecsSystem Spec


 MMC/SC Card writting to Unformatted cards

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