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Fix a bug where multiple incoming APDU may come

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
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Pol Henarejos 2022-01-24 18:02:05 +01:00
parent 08d56af6f3
commit 90ee12ed96
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1 changed files with 13 additions and 11 deletions
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24
hsm2040.c
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@ -1272,7 +1272,8 @@ static void ccid_rx_ready (uint16_t len)
if (cont == 0)
notify_icc (epo);
epo->ready = 0;
else
epo->ready = 1;
}
static void notify_tx (struct ep_in *epi)
@ -1343,7 +1344,7 @@ static int usb_event_handle(struct ccid *c)
{
ccid_tx_done ();
}
if (tud_vendor_available() && c->epo->ready)
else if (tud_vendor_available() && c->epo->ready)
{
uint32_t count = tud_vendor_read(endp1_rx_buf, sizeof(endp1_rx_buf));
DEBUG_PAYLOAD(endp1_rx_buf, count);
@ -1377,16 +1378,17 @@ void ccid_task(void)
// connected and there are data available
if ((c->epo->ready && tud_vendor_available()) || (tud_vendor_n_write_available(0) == CFG_TUD_VENDOR_TX_BUFSIZE && c->tx_busy == 1))
{
if (usb_event_handle (c) == 0)
return;
if (c->application)
{
uint32_t flag = EV_EXIT;
queue_try_add(&c->ccid_comm, &flag);
c->application = 0;
if (usb_event_handle (c) != 0)
{
if (c->application)
{
uint32_t flag = EV_EXIT;
queue_try_add(&c->ccid_comm, &flag);
c->application = 0;
}
prepare_ccid();
return;
}
prepare_ccid();
return;
}
if (timeout == 0)
{