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STM32CubeMX Framework can't compatible with the USB host Middleware

we zhang

I use MDK-ARM v5.24.2, CMSIS V5.0.1, MDK-MIDDLEWARE V7.4.1, STM32F4xx_DFP V2.11.0, new a project use the STM32CubeMX of the STM32Cube Framework(API), add a usb host msc to read and write file in the u disk.
But I find that:
1. the "Keil::CMSIS Driver:USB Host:Full-speed" require CMSIS:RTOS, but there are two choices: "ARM::CMSIS:ROTS:Keil RTX" and "ARM::CMSIS:ROTS:Keil RTX5", there seems that I can only chose "ARM::CMSIS:ROTS:Keil RTX5" because I have add the "CMSIS::RTOS2(API):keil RTX5".
2. If neither chose ""ARM::CMSIS:ROTS:Keil RTX" nor "ARM::CMSIS:ROTS:Keil RTX5", there is a error after compile:
C:\Keil_v5\ARM\PACK\Keil\STM32F4xx_DFP\2.11.0\CMSIS\Driver\USBH_FS_STM32F4xx.c(166): error: #5: cannot open source input file "cmsis_os.h": No such file or directory
3. If chose the "ARM::CMSIS:ROTS:Keil RTX5", there is a error after compile:
C:\Keil_v5\ARM\PACK\Keil\MDK-Middleware\7.4.1\FileSystem\Include\fs_os.h(272): error: #81: more than one storage class may not be specified
How to fix this?
Thanks!

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