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USB handling improvement

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This commit is contained in:
NIIBE Yutaka
2016-05-31 20:29:31 +09:00
parent eb90074e11
commit 0212328a6a
4 changed files with 34 additions and 16 deletions
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35
src/usb-ccid.c
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@@ -258,7 +258,7 @@ static void ccid_init (struct ccid *c, struct ep_in *epi, struct ep_out *epo,
{
ccid_state_p = &c->ccid_state;
c->ccid_state = CCID_STATE_NOCARD;
c->ccid_state = CCID_STATE_START;
c->state = APDU_STATE_WAIT_COMMAND;
c->p = a->cmd_apdu_data;
c->len = MAX_CMD_APDU_DATA_SIZE;
@@ -766,7 +766,8 @@ static void ccid_error (struct ccid *c, int offset)
if (c->ccid_state == CCID_STATE_NOCARD)
ccid_reply[CCID_MSG_STATUS_OFFSET] = 2; /* 2: No ICC present */
else if (c->ccid_state == CCID_STATE_START)
ccid_reply[CCID_MSG_STATUS_OFFSET] = 1; /* 1: ICC present but not activated */
/* 1: ICC present but not activated */
ccid_reply[CCID_MSG_STATUS_OFFSET] = 1;
else
ccid_reply[CCID_MSG_STATUS_OFFSET] = 0; /* An ICC is present and active */
ccid_reply[CCID_MSG_STATUS_OFFSET] |= CCID_CMD_STATUS_ERROR; /* Failed */
@@ -837,7 +838,8 @@ ccid_send_status (struct ccid *c)
if (c->ccid_state == CCID_STATE_NOCARD)
ccid_reply[CCID_MSG_STATUS_OFFSET] = 2; /* 2: No ICC present */
else if (c->ccid_state == CCID_STATE_START)
ccid_reply[CCID_MSG_STATUS_OFFSET] = 1; /* 1: ICC present but not activated */
/* 1: ICC present but not activated */
ccid_reply[CCID_MSG_STATUS_OFFSET] = 1;
else
ccid_reply[CCID_MSG_STATUS_OFFSET] = 0; /* An ICC is present and active */
ccid_reply[CCID_MSG_ERROR_OFFSET] = 0x00;
@@ -1354,10 +1356,10 @@ ccid_card_change_signal (int how)
}
void
ccid_usb_reset (void)
ccid_usb_reset (int all)
{
struct ccid *c = &ccid;
eventflag_signal (&c->ccid_comm, EV_USB_RESET);
eventflag_signal (&c->ccid_comm, all?EV_USB_RESET:EV_USB_INTERFACE);
}
@@ -1375,6 +1377,8 @@ ccid_thread (void *arg)
extern uint32_t bDeviceState;
chopstx_intr_t interrupt;
uint32_t timeout;
eventmask_t m;
chopstx_poll_cond_t poll_desc;
struct ep_in *epi = &endpoint_in;
struct ep_out *epo = &endpoint_out;
@@ -1398,18 +1402,22 @@ ccid_thread (void *arg)
while (bDeviceState != CONFIGURED)
{
chopstx_poll (NULL, 1, &interrupt);
usb_interrupt_handler ();
eventflag_prepare_poll (&c->ccid_comm, &poll_desc);
chopstx_poll (NULL, 2, &interrupt, &poll_desc);
if (interrupt.ready)
{
usb_interrupt_handler ();
continue;
}
m = eventflag_get (&c->ccid_comm);
/* Ignore event while not-configured. */
}
ccid.ccid_comm.flags = 0;
interface:
timeout = USB_CCID_TIMEOUT;
ccid_prepare_receive (c);
while (1)
{
eventmask_t m;
chopstx_poll_cond_t poll_desc;
eventflag_prepare_poll (&c->ccid_comm, &poll_desc);
chopstx_poll (&timeout, 2, &interrupt, &poll_desc);
if (interrupt.ready)
@@ -1431,6 +1439,11 @@ ccid_thread (void *arg)
}
goto reset;
}
else if (m == EV_USB_INTERFACE)
/* Upon receivable of SET_INTERFACE, we reset endpoint to RX_NAK.
* Thus, we need to prepare receive again.
*/
goto interface;
else if (m == EV_CARD_CHANGE)
{
uint8_t int_msg[2];