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Hoernchen gerrit-no-reply at lists.osmocom.orgHoernchen has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ccid-firmware/+/16286 ) Change subject: pps warning ...................................................................... pps warning Change-Id: Ia125b7983e81342af224bc6e8771d8be4c4bfa42 --- M ccid_common/ccid_slot_fsm.c 1 file changed, 7 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ccid-firmware refs/changes/86/16286/1 diff --git a/ccid_common/ccid_slot_fsm.c b/ccid_common/ccid_slot_fsm.c index d7740fe..fef1515 100644 --- a/ccid_common/ccid_slot_fsm.c +++ b/ccid_common/ccid_slot_fsm.c @@ -188,6 +188,13 @@ uint8_t D = iso7816_3_di_table[cs->proposed_pars.di]; uint32_t fmax = iso7816_3_fmax_table[cs->proposed_pars.fi]; + /* 7816-3 5.2.3 + * No information shall be exchanged when switching the + * frequency value. Two different times are recommended + * for switching the frequency value, either + * - after ATR while card is idle + * - after PPS while card is idle + */ card_uart_ctrl(ss->cuart, CUART_CTL_CLOCK_FREQ, fmax); card_uart_ctrl(ss->cuart, CUART_CTL_FD, F/D); card_uart_ctrl(ss->cuart, CUART_CTL_WTIME, cs->proposed_pars.t0.waiting_integer); -- To view, visit https://gerrit.osmocom.org/c/osmo-ccid-firmware/+/16286 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ccid-firmware Gerrit-Branch: master Gerrit-Change-Id: Ia125b7983e81342af224bc6e8771d8be4c4bfa42 Gerrit-Change-Number: 16286 Gerrit-PatchSet: 1 Gerrit-Owner: Hoernchen <ewild at sysmocom.de> Gerrit-MessageType: newchange -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20191127/7b785841/attachment.htm>