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void  FS_DevDrvAdd (FS_DEV_API  *p_dev_drv,
                    FS_ERR      *p_err);

File

Called from

Code enabled by

fs.c

Application

N/A

Adds a device driver to the file system.

Arguments

p_dev_drv

Pointer to device driver (see Section C.08).

p_err

Pointer to variable that will receive the return error code from this function:

FS_ERR_NONE

Device driver added.

FS_ERR_NULL_PTR

Argument p_dev_drv passed a NULL pointer.

FS_ERR_DEV_DRV_ALREADY_ADDED

Device driver already added.

FS_ERR_DEV_DRV_INVALID_NAME

Device driver name invalid.

FS_ERR_DEV_DRV_NO_TBL_POS_AVAIL

No device driver table position available.

Returned Value

None.

Notes/Warnings

  • The NameGet() device driver interface function must return a valid name:
  • The name must be unique (e.g., a name that is not returned by any other device driver);
  • The name must not include any of the characters: ‘:’, ‘\’ or ‘/’.
  • The name must contain fewer than FS_CFG_MAX_DEV_DRV_NAME_LEN characters;
  • The name must not be an empty string.
  • The Init() device driver interface function is called to initialize driver structures and any hardware for detecting the presence of devices (for a removable medium).
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