FUJITSU FMB AN706 - Manual (Page 85)

AN706-00040-2v0-E
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7.2.8.3 File System (MDF) Task Processing Function
File System (MDF) processing is executed. (av_demoapp_MDF_task)
After reading MBR (*1) and PBR (*2) data, the number of blocks for each sector is
calculated.
When the MDF file system is initialized, media read and write processing is registered.
Start
MDF operation stage judgment
MDF opened successfully
MDF open processing
(av_demoapp_MDF_open)
Set action stage for MDF stage.
Light LED 1.
MDF close processing
(av_demoapp_MDF_close)
Set MDF stage for initialization stage.
File open
File close
Finish
Initialization
Action
Others No
Yes
Audio stage initialized?
No
Yes
Figure 59 File System (MDF) Task Processing Function
(*1) Master Boot Record
(*2) Partition Boot Record