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(This message was transferred over from our old forum)
Posted August 19, 2015
By Todd DeBoer
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On 9/13/10 tom.abcd asked, “Is there a a simple demo that just shows the USB host supporting a USB stick (Mass storage device) with a Fat 32 file system.I am looking for a solution so I can be a USB host on my STM32F105 processor and be able to read files from a USB flash drive. Looking at the LPC2148 demo it appeared to have lots of stuff in it including USB host and mass storage but I am looking for a simpler example to start my port from.
Also does the Fat files system support Fat32?
Any guess on how much work doing a port will be? (I have been using the ST processor and Crossworks for a while but have not use the USB yet.). “
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(Follow up post)Answered:
The STM32F105 is currently not one of the processors supported in uEZ. We would like to add it at some point.
FAT32 is supported (currently up to 2 Gig devices), but long file names are not.
Doing a port of the processor is usually about a 2 week endeavor, but it depends on how much of the processor you want to support as you have to create hardware drivers for each peripheral type (UART, External Memory Controller, I2C, DMA, etc.). Certainly some processors are easier than others.
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