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Added API allowing user to choose settings at runtime #49

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20 changes: 11 additions & 9 deletions portable/Zynq.2019.3/ff_sddisk.c
Original file line number Diff line number Diff line change
Expand Up @@ -432,17 +432,19 @@ static CacheMemoryInfo_t * pucGetSDIOCacheMemory( BaseType_t xPartition )
}
/*-----------------------------------------------------------*/

/* Initialise the SDIO driver and mount an SD card */
BaseType_t xMountFailIgnore = 0;
FF_Disk_t * FF_SDDiskInit( const char * pcName )
{
return FF_SDDiskInitWithSettings( pcName, pdFALSE, 0U );
}

/* _HT_ : the function FF_SDDiskInit() used to mount partition-0.
* It would be nice if it has a parameter indicating the partition
* number.
* As for now, the partion can be set with a global variable 'xDiskPartition'.
/**
* Initialize the SD Disk with configurable settings
* @param[in] uxMountFailIgnore ignore fails on mount, set to true when have systems where may not have initialized mount
* @param[in] uxDiskPartition the disk partition number to use
*/
BaseType_t xDiskPartition = 0;

FF_Disk_t * FF_SDDiskInit( const char * pcName )
FF_Disk_t * FF_SDDiskInitWithSettings( const char * pcName,
BaseType_t xMountFailIgnore,
BaseType_t xDiskPartition )
Comment on lines +440 to +447
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One slight change to allow for future proofing this.

Suggest putting all of the settings into a struct:

typedef struct FFInitSettings_s
{
BaseType_t xMountFailIgnore;
BaseType_t xDiskPartition;
} FFInitSettings_t;

And then change the API to:

FF_Disk_t * FF_SDDiskInitWithSettings( const char * pcName,
                                       const FFInitSettings_t * settings)

That way you can append to the settings later on without changing the API - as long as the defaults are something reasonable (most likely candidate) the API doesn't have to change for new initialization configuration settings.

@AniruddhaKanhere - you are also missing adding the API to the header file.

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@phelter , yes a good idea to put it into a struct. The only obligation will be to clear all (unused) fields in the struct. Thanks, Hein

{
FF_Error_t xFFError;
BaseType_t xPartitionNumber = xDiskPartition;
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