brp_VHL_GetATR()

brp_errcode brp_VHL_GetATR

(

brp_VHL_GetATR_t

params

)

This command returns the Answer to Reset (ATR) of the currently selected card as defined in the PC/SC specification, version 2.

If brp_VHL_Select() hasn't been executed successfully before, the BRP_VHL_ErrCardNotSelected status code will be returned. If the last selected card is no longer available in the antenna field, or a read/write operation failed previous to this command, the returned ATR is undefined.

Parameters

[in]

params

Struct with the following fields: protocol used to execute the command ATR (out) ATR value in standardized format ATR_len (out) Length of ATR (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