Hello,
I would like to know if Keil RL-FlashFS flash file system supports following hardware
- SD card on STM32F4discovery + STM32DIS-BB expansion board - USB Flash drive connected directly on STM32 STM32f4-Discovery board.
Need to support SD/USB Drive of 32 GB and more with transfer speed of > 1MB/sec.
I did not see any example / performance evaluation on using Keil RL-Flashfs for STM32F4 discovery board.
..prabhu
Clearly without a USB HS PHY that's going to be a challenge, isn't it?
Reading fairly large blocks from an SDHC/XC card directly, 18 MBps achievable on an STM32F4 design. 64 and 128 GB cards also workable.
Thanks. I can understand that USB PHY of STM32F4-discovery will not support HS.
Examples for use of flash file are provided in MDK-ARM installation for some boards. For STM3240G board for instance, examples could be found in c:\keil\ARM\Boards\ST\STM3240G-EVAL\RL\FLASHFS\. No such examples are provided for STM32F4-Discovery.I thought of checking out if there any issues in using FLASHFS on STM32F4Dis-BB+STM32F4-discovery.
Examples for STM32F4-discovery would have helped in quick start.
You appear to be "discovering" the value of a $20 board, and what engineering resources that buys. The STM3240G-EVAL board would have been a much better choice on many levels, not least the integrated MicroSD socket and USB HS PHY.