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card_emu: Initialize PTSS state every time we start PTS

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Let's shift the responsibility from the caller side to the calee side.

Change-Id: I39661ca93c87b2e2071765f69578eec5aaf90ce4
This commit is contained in:
Harald Welte
2019-12-15 13:19:24 +01:00
parent 5b136021d8
commit 02d0d73cf1
1 changed files with 2 additions and 4 deletions
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6
firmware/libcommon/source/card_emu.c
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@@ -240,7 +240,6 @@ static void card_handle_reset(struct card_handle *ch)
tc_etu_disable(ch->tc_chan);
ch->pts.state = PTS_S_WAIT_REQ_PTSS;
ch->tpdu.state = TPDU_S_WAIT_CLA;
/* release any buffers we may still own */
@@ -534,8 +533,6 @@ static int tx_byte_atr(struct card_handle *ch)
/* update waiting time (see ISO 7816-3 10.2) */
ch->waiting_time = ch->wi * 960 * ch->fi;
tc_etu_set_wtime(ch->tc_chan, ch->waiting_time);
/* reset PTS to initial state */
set_pts_state(ch, PTS_S_WAIT_REQ_PTSS);
/* go to next state */
card_set_state(ch, ISO_S_WAIT_TPDU);
return 0;
@@ -701,7 +698,6 @@ static int tx_byte_pts(struct card_handle *ch)
emu_update_fidi(ch);
/* Wait for the next TPDU */
card_set_state(ch, ISO_S_WAIT_TPDU);
set_pts_state(ch, PTS_S_WAIT_REQ_PTSS);
break;
default:
/* calculate the next state and set it */
@@ -979,6 +975,8 @@ void card_emu_process_rx_byte(struct card_handle *ch, uint8_t byte)
switch (ch->state) {
case ISO_S_WAIT_TPDU:
if (byte == 0xff) {
/* reset PTS to initial state */
set_pts_state(ch, PTS_S_WAIT_REQ_PTSS);
new_state = process_byte_pts(ch, byte);
ch->stats.pps++;
goto out_silent;