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card_emu: Avoid PTS related race-condition

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We should not set the new Fi/Di values before we actually transmitted
the PTSS PCK at the old baud rate first.
This commit is contained in:
Harald Welte
2016-03-20 13:37:11 +01:00
parent a929f218d2
commit ccb8a22037
1 changed files with 2 additions and 1 deletions
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3
firmware/src_simtrace/card_emu.c
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@@ -364,7 +364,7 @@ from_pts3:
} }
static enum iso7816_3_card_state static int
process_byte_pts(struct card_handle *ch, uint8_t byte) process_byte_pts(struct card_handle *ch, uint8_t byte)
{ {
switch (ch->pts.state) { switch (ch->pts.state) {
@@ -406,6 +406,7 @@ process_byte_pts(struct card_handle *ch, uint8_t byte)
flush_pts(ch); flush_pts(ch);
/* activate UART TX to transmit PTS response */ /* activate UART TX to transmit PTS response */
card_emu_uart_enable(ch->uart_chan, ENABLE_TX); card_emu_uart_enable(ch->uart_chan, ENABLE_TX);
return -1;
} }
return ISO_S_IN_PTS; return ISO_S_IN_PTS;