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Quality RTOS & Embedded Software

LIBRARIES
WHAT'S NEW
FreeRTOS-Plus-TCP now has unified IPv4 and IPv6 functionalities and multi-interface support.
Updated library now generally available. See the blog post.
Achieving Unbrickable MCU FOTA for your FreeRTOS-powered Firmware:
The Microvisor IoT Approach. See the blog post.
FreeRTOS 202012 LTS end of support announced.
You can migrate your project to FreeRTOS 202210.01 LTS or subscribe to the FreeRTOS Extended Maintenance Plan. See the blog post.
FreeRTOS website now available in Simplified Chinese
Search and browse content in your preferred language. See the blog post.
New FreeRTOS Long Term Support version now available.
Receive security patches and critical bug fixes on FreeRTOS libraries for two years. See the blog post.

F_PHY structure

Type
Name
Description
unsigned short number_of_cylinders Historical, not normally used.
unsigned short sector_per_track Historical, not normally used.
unsigned short number_of_heads Historical, not normally used.
unsigned long number_of_sectors The total number of physical sectors available on the media.
unsigned char media_descriptor Set to F_MEDIADESC_REMOVABLE if the media is removable.

Set to F_MEDIADESC_FIX if the media is fixed (not removable).

unsigned short bytes_per_sector Must be 512.


F_DRIVER structure

Type
Name
Description
int separated Non-zero if the driver is separated.
unsigned long user_data The file system does not use this field. It is available to the implementer of the driver to use for any purpose.
void * user_ptr The file system does not use this field. It is available to the implementer of the driver to use for any purpose.
F_WRITESECTOR writesector A pointer to the driver's F_WRITESECTOR() function implementation.
F_READSECTOR readsector A pointer to the driver's F_READSECTOR() function implementation.
F_GETPHY getphy A pointer to the driver's F_GETPHY() function implementation.
F_GETSTATUS getstatus A pointer to the driver's F_GETSTATUS() function implementation.
F_RELEASE release A pointer to the driver's F_RELEASE() function implementation.


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