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Holger Hans Peter Freyther holger at freyther.deOn 12/16/2011 09:51 AM, Lukas Kuzmiak wrote: > Hi Harald, Hi all, tnt has had some issues as well... it looks like if for prot_t_supported==1 the data will not be sent immediately. E.g. a "ih->rctx_must_be_sent = 1;" appears to work around this. This means that a mixed ATR/APDU URB will be generated and our adpu_split host code will not be called. static enum iso7816_3_state transition_to_tck(struct iso7816_3_handle *ih) { if (ih->prot_t_supported == 0x01) { /* If only T=0 supported, there is no TCK but we * immediately transition to APDUs */ set_atr_state(ih, ATR_S_DONE); return ISO7816_S_WAIT_APDU; My idea of a proper patch was to move a lot into the ATR_S_DONE state (rctx_must_be_sent, scheduling the tc_etu_set_wtime) but this does not appear to work properly. So the easiest patch is to add "ih->rctx_must_be_sent = 1" to the above code path. cheers holger