Reads data from a Standard or Backup data file.
- Parameters
-
| [in] | params | Struct with the following fields:
- protocol used to execute the command
- FileId (in) ID of file to read.
- Adr (in) Offset position within file. Ranges from 0x000000 to (file size -1).
- Len (in) Length of data to read. If Len = 0, the entire data starting from the offset position will be read.
- Mode (in) Communication settings linked to the file.
- Data (out) Data read from card.
- Data_len (out) Length of Data (in bytes).
- mempool (in) is used to store response data. Maybe NULL to use an internal mempool, in this case the data is only available until another command uses the internal mempool
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