/*******************************************************************************
**
** Function phTmlNfc_InitiateTimer
**
** Description Start a timer for Tx and Rx thread.
**
** Parameters void
**
** Returns NFC status
**
*******************************************************************************/
static NFCSTATUS phTmlNfc_InitiateTimer(void)
{
NFCSTATUS wStatus = NFCSTATUS_SUCCESS;
/* Start Timer once Nci packet is sent */
wStatus = phOsalNfc_Timer_Start(gpphTmlNfc_Context->dwTimerId,
(uint32_t) PHTMLNFC_MAXTIME_RETRANSMIT,
phTmlNfc_ReTxTimerCb, NULL);
return wStatus;
}
/*******************************************************************************
**
** Function phNxpNciHal_readLocked
**
** Description Reads response and notification from NFCC and waits for
** read completion, for a definitive timeout value.
**
** Returns NFCSTATUS_SUCCESS if successful,otherwise NFCSTATUS_FAILED,
** NFCSTATUS_RESPONSE_TIMEOUT in case of timeout.
**
*******************************************************************************/
static NFCSTATUS phNxpNciHal_readLocked(nci_test_data_t *pData )
{
NFCSTATUS status = NFCSTATUS_SUCCESS;
phNxpNciHal_Sem_t cb_data;
uint16_t read_len = 16;
/* RX Buffer */
uint32_t rx_data[NCI_MAX_DATA_LEN];
/* Create the local semaphore */
if (phNxpNciHal_init_cb_data(&cb_data, pData) != NFCSTATUS_SUCCESS)
{
NXPLOG_NCIHAL_D("phTmlNfc_Read Create cb data failed");
status = NFCSTATUS_FAILED;
goto clean_and_return;
}
/* call read pending */
status = phTmlNfc_Read(
(uint8_t *) rx_data,
(uint16_t) read_len,
(pphTmlNfc_TransactCompletionCb_t) &hal_read_cb,
&cb_data);
if (status != NFCSTATUS_PENDING)
{
NXPLOG_NCIHAL_E("TML Read status error status = %x", status);
status = NFCSTATUS_FAILED;
goto clean_and_return;
}
status = phOsalNfc_Timer_Start(timeoutTimerId,
HAL_WRITE_RSP_TIMEOUT,
&hal_write_rsp_timeout_cb,
&cb_data);
if (NFCSTATUS_SUCCESS == status)
{
NXPLOG_NCIHAL_D("Response timer started");
}
else
{
NXPLOG_NCIHAL_E("Response timer not started");
status = NFCSTATUS_FAILED;
goto clean_and_return;
}
/* Wait for callback response */
if (SEM_WAIT(cb_data))
{
NXPLOG_NCIHAL_E("phTmlNfc_Read semaphore error");
status = NFCSTATUS_FAILED;
goto clean_and_return;
}
if(cb_data.status == NFCSTATUS_RESPONSE_TIMEOUT)
{
NXPLOG_NCIHAL_E("Response timeout!!!");
status = NFCSTATUS_RESPONSE_TIMEOUT;
goto clean_and_return;
}
if (cb_data.status != NFCSTATUS_SUCCESS)
{
NXPLOG_NCIHAL_E("phTmlNfc_Read failed ");
status = NFCSTATUS_FAILED;
goto clean_and_return;
}
clean_and_return:
phNxpNciHal_cleanup_cb_data(&cb_data);
return status;
}
/*******************************************************************************
**
** Function phNxpNciHal_NfcDep_rsp_ext
**
** Description Implements algorithm for NFC-DEP protocol priority over
** ISO-DEP protocol.
** Following the algorithm:
** IF ISO-DEP detected first time,set the ISO-DEP detected flag
** and resume polling loop with 60ms timeout value.
** a) if than NFC-DEP detected than send the response to
** libnfc-nci stack and stop the timer.
** b) if NFC-DEP not detected with in 60ms, than restart the
** polling loop to give early chance to ISO-DEP with a
** cleanup timer.
** c) if ISO-DEP detected second time send the response to
** libnfc-nci stack and stop the cleanup timer.
** d) if ISO-DEP not detected with in cleanup timeout, than
** clear the ISO-DEP detection flag.
**
** Returns NFCSTATUS_SUCCESS if successful,otherwise NFCSTATUS_FAILED
**
*******************************************************************************/
NFCSTATUS phNxpNciHal_NfcDep_rsp_ext(uint8_t *p_ntf, uint16_t *p_len)
{
NFCSTATUS status = NFCSTATUS_INVALID_PARAMETER;
NXPLOG_NCIHAL_D(">> p_ntf[0]=%02x , p_ntf[1]=%02x",p_ntf[0],p_ntf[1]);
if(p_ntf[0] == 0x41 && p_ntf[1] == 0x04)
{
//Tag selected, Disable P2P Prio logic.
bIgnoreIsoDep = 1;
NXPLOG_NCIHAL_D(">> Tag selected, Disable P2P Prio logic.");
}
else if( ((p_ntf[0] == 0x61 && p_ntf[1] == 0x06) ||
(p_ntf[0] == 0x41 && p_ntf[1] == 0x06) ) && bIgnoreIsoDep == 1
)
{
//Tag deselected, enable P2P Prio logic.
bIgnoreIsoDep = 0x00;
NXPLOG_NCIHAL_D(">> Tag deselected, enable P2P Prio logic.");
}
if (bIgnoreIsoDep == 0x00 &&
p_ntf[0] == 0x61 &&
p_ntf[1] == 0x05 && *p_len > 5)
{
if (p_ntf[5] == 0x04 && p_ntf[6] < 0x80)
{
NXPLOG_NCIHAL_D(">> ISO DEP detected.");
if (iso_dep_detected == 0x00)
{
NXPLOG_NCIHAL_D(
">> ISO DEP detected first time. Resume polling loop");
iso_dep_detected = 0x01;
status = phNxpNciHal_resume_polling_loop();
custom_poll_timer = phOsalNfc_Timer_Create();
NXPLOG_NCIHAL_D("custom poll timer started - %d", custom_poll_timer);
status = phOsalNfc_Timer_Start(custom_poll_timer,
CUSTOM_POLL_TIMEOUT,
&custom_poll_timer_handler,
NULL);
if (NFCSTATUS_SUCCESS == status)
{
NXPLOG_NCIHAL_D("custom poll timer started");
}
else
{
NXPLOG_NCIHAL_E("custom poll timer not started!!!");
status = NFCSTATUS_FAILED;
}
status = NFCSTATUS_FAILED;
}
else
{
NXPLOG_NCIHAL_D(">> ISO DEP detected second time.");
/* Store notification */
phNxpNciHal_NfcDep_store_ntf(p_ntf, *p_len);
/* Stop Cleanup_timer */
phOsalNfc_Timer_Stop(cleanup_timer);
phOsalNfc_Timer_Delete(cleanup_timer);
cleanup_timer=0;
EnableP2P_PrioLogic = FALSE;
iso_dep_detected = 0;
status = NFCSTATUS_SUCCESS;
}
}
else if (p_ntf[5] == 0x05)
{
NXPLOG_NCIHAL_D(">> NFC-DEP Detected - stopping the custom poll timer");
phOsalNfc_Timer_Stop(custom_poll_timer);
phOsalNfc_Timer_Delete(custom_poll_timer);
EnableP2P_PrioLogic = FALSE;
iso_dep_detected = 0;
status = NFCSTATUS_SUCCESS;
}
else
{
NXPLOG_NCIHAL_D(">> detected other technology- stopping the custom poll timer");
phOsalNfc_Timer_Stop(custom_poll_timer);
phOsalNfc_Timer_Delete(custom_poll_timer);
EnableP2P_PrioLogic = FALSE;
iso_dep_detected = 0;
status = NFCSTATUS_INVALID_PARAMETER;
}
}
else if( bIgnoreIsoDep == 0x00 &&
((p_ntf[0] == 0x41 && p_ntf[1] == 0x06) || (p_ntf[0] == 0x61
&& p_ntf[1] == 0x06))
)
{
NXPLOG_NCIHAL_D(">> RF disabled");
if (poll_timer_fired == 0x01)
{
poll_timer_fired = 0x00;
NXPLOG_NCIHAL_D(">>restarting polling loop.");
/* start polling loop */
phNxpNciHal_start_polling_loop();
EnableP2P_PrioLogic = FALSE;
NXPLOG_NCIHAL_D (">> NFC DEP NOT detected - custom poll timer expired - RF disabled");
cleanup_timer = phOsalNfc_Timer_Create();
/* Start cleanup_timer */
NFCSTATUS status = phOsalNfc_Timer_Start(cleanup_timer,
CLEAN_UP_TIMEOUT,
&cleanup_timer_handler,
NULL);
if (NFCSTATUS_SUCCESS == status)
{
NXPLOG_NCIHAL_D("cleanup timer started");
}
else
{
NXPLOG_NCIHAL_E("cleanup timer not started!!!");
status = NFCSTATUS_FAILED;
}
status = NFCSTATUS_FAILED;
}
else
{
status = NFCSTATUS_SUCCESS;
}
}
if (bIgnoreIsoDep == 0x00 &&
iso_dep_detected == 1)
{
if ((p_ntf[0] == 0x41 && p_ntf[1] == 0x06) || (p_ntf[0] == 0x61
&& p_ntf[1] == 0x06))
{
NXPLOG_NCIHAL_D(">>iso_dep_detected Disconnect related notification");
status = NFCSTATUS_FAILED;
}
else
{
NXPLOG_NCIHAL_W("Never come here");
}
}
return status;
}
static
void
phLlcNfc_ConnectionTimeoutCb (
uint32_t TimerId,
void *pContext
)
{
NFCSTATUS result = NFCSTATUS_SUCCESS;
phNfc_sCompletionInfo_t notifyinfo = {0};
pphNfcIF_Notification_CB_t notifyul = NULL;
void *p_upperctxt = NULL;
phLlcNfc_Frame_t *ps_frame_info = NULL;
phLlcNfc_Timerinfo_t *ps_timer_info = NULL;
PHNFC_UNUSED_VARIABLE(pContext);
PH_LLCNFC_PRINT("\n\nLLC : CONNECTION TIMEOUT CB CALLED\n\n");
if ((NULL != gpphLlcNfc_Ctxt) && (TimerId ==
gpphLlcNfc_Ctxt->s_timerinfo.timer_id[PH_LLCNFC_CONNECTIONTIMER])
&& (PH_LLCNFC_CON_TO_BIT_VAL ==
(gpphLlcNfc_Ctxt->s_timerinfo.timer_flag &
PH_LLCNFC_CON_TO_BIT_VAL)))
{
ps_frame_info = &(gpphLlcNfc_Ctxt->s_frameinfo);
ps_timer_info = &(gpphLlcNfc_Ctxt->s_timerinfo);
if (ps_timer_info->con_to_value > 0)
{
#if !defined (CYCLIC_TIMER)
phOsalNfc_Timer_Stop(
ps_timer_info->timer_id[PH_LLCNFC_CONNECTIONTIMER]);
/* phLlcNfc_StopTimers(PH_LLCNFC_CONNECTIONTIMER, 0); */
#endif
ps_timer_info->con_to_value = 0;
if (0 == ps_timer_info->con_to_value)
{
PH_LLCNFC_DEBUG("TIMER EXPIRED RETRY COUNT : %02X\n", ps_frame_info->retry_cnt);
phLlcNfc_StopTimers (PH_LLCNFC_CONNECTIONTIMER, 0);
if (ps_frame_info->retry_cnt < PH_LLCNFC_MAX_RETRY_COUNT)
{
/* Create a U frame */
result = phLlcNfc_H_CreateUFramePayload(gpphLlcNfc_Ctxt,
&(ps_frame_info->s_llcpacket),
&(ps_frame_info->s_llcpacket.llcbuf_len),
phLlcNfc_e_rset);
if (NFCSTATUS_SUCCESS == result)
{
/* Call DAL write */
result = phLlcNfc_Interface_Write (gpphLlcNfc_Ctxt,
(uint8_t*)&(ps_frame_info->s_llcpacket.s_llcbuf),
(uint32_t)(ps_frame_info->s_llcpacket.llcbuf_len));
}
if (NFCSTATUS_PENDING == result)
{
/* Start the timer */
result = phLlcNfc_StartTimers(PH_LLCNFC_CONNECTIONTIMER, 0);
if (NFCSTATUS_SUCCESS == result)
{
ps_frame_info->retry_cnt++;
result = NFCSTATUS_PENDING;
}
}
else
{
if (NFCSTATUS_BUSY == PHNFCSTATUS(result))
{
result = NFCSTATUS_PENDING;
}
}
}
else
{
PH_LLCNFC_PRINT("RETRY COUNT LIMIT REACHED \n");
if ((ps_frame_info->retry_cnt == PH_LLCNFC_MAX_RETRY_COUNT)
&& (NULL != gpphLlcNfc_Ctxt->cb_for_if.notify))
{
void *p_hw_info = NULL;
uint8_t type = 0;
p_hw_info = gpphLlcNfc_Ctxt->phwinfo;
notifyinfo.status = PHNFCSTVAL(CID_NFC_LLC,
NFCSTATUS_BOARD_COMMUNICATION_ERROR);
notifyul = gpphLlcNfc_Ctxt->cb_for_if.notify;
p_upperctxt = gpphLlcNfc_Ctxt->cb_for_if.pif_ctxt;
type = NFC_NOTIFY_ERROR;
if (init_u_rset_frame == ps_frame_info->sent_frame_type)
{
type = NFC_NOTIFY_INIT_FAILED;
/* Release if, the initialisation is not complete */
result = phLlcNfc_Release(gpphLlcNfc_Ctxt, p_hw_info);
gpphLlcNfc_Ctxt = NULL;
}
else
{
type = NFC_NOTIFY_DEVICE_ERROR;
notifyinfo.status = PHNFCSTVAL(CID_NFC_LLC,
NFCSTATUS_BOARD_COMMUNICATION_ERROR);
#if 0
phOsalNfc_RaiseException(phOsalNfc_e_UnrecovFirmwareErr,1);
#endif /* #if 0 */
}
/* Notify the upper layer */
notifyul(p_upperctxt, p_hw_info, type, ¬ifyinfo);
}
}
}
#if !defined (CYCLIC_TIMER)
else
{
/* Start the timer again */
phOsalNfc_Timer_Start(
ps_timer_info->timer_id[PH_LLCNFC_CONNECTIONTIMER],
ps_timer_info->con_to_value, phLlcNfc_ConnectionTimeoutCb, NULL);
}
#endif
}
}
PH_LLCNFC_PRINT("\n\nLLC : CONNECTION TIMEOUT CB END\n\n");
}
static
void
phLlcNfc_GuardTimeoutCb (
uint32_t TimerId,
void *pContext
)
{
NFCSTATUS result = NFCSTATUS_SUCCESS;
phLlcNfc_Timerinfo_t *ps_timer_info = NULL;
phLlcNfc_Frame_t *ps_frame_info = NULL;
phLlcNfc_LlcPacket_t *ps_packet_info = NULL;
uint8_t index = 0;
uint8_t zero_to_index = 0;
#if defined (GUARD_TO_ERROR)
phNfc_sCompletionInfo_t notifyinfo = {0};
#endif /* #if defined (GUARD_TO_ERROR) */
PHNFC_UNUSED_VARIABLE(pContext);
PH_LLCNFC_PRINT("\n\nLLC : GUARD TIMEOUT CB CALLED \n\n");
if ((NULL != gpphLlcNfc_Ctxt) && (TimerId ==
gpphLlcNfc_Ctxt->s_timerinfo.timer_id[PH_LLCNFC_GUARDTIMER]) &&
(PH_LLCNFC_GUARD_TO_BIT_VAL ==
(gpphLlcNfc_Ctxt->s_timerinfo.timer_flag &
PH_LLCNFC_GUARD_TO_BIT_VAL)))
{
uint8_t timer_expired = FALSE;
ps_frame_info = &(gpphLlcNfc_Ctxt->s_frameinfo);
ps_timer_info = &(gpphLlcNfc_Ctxt->s_timerinfo);
#if !defined (CYCLIC_TIMER)
phOsalNfc_Timer_Stop(
ps_timer_info->timer_id[PH_LLCNFC_GUARDTIMER]);
#endif
PH_LLCNFC_DEBUG("NO OF TIMEOUT COUNT : 0x%02X\n", ps_timer_info->guard_to_count);
/* Loop is completely depending on the number of different LLC
send called */
while (index < ps_timer_info->guard_to_count)
{
if (0 != ps_timer_info->guard_to_value[index])
{
if (ps_timer_info->guard_to_value[index] > 0)
{
if (ps_timer_info->guard_to_value[index] >=
PH_LLCNFC_RESOLUTION)
{
ps_timer_info->guard_to_value[index] = (uint16_t)
(ps_timer_info->guard_to_value[index] -
PH_LLCNFC_RESOLUTION);
}
else
{
ps_timer_info->guard_to_value[index] = 0;
}
}
if (0 == ps_timer_info->guard_to_value[index])
{
zero_to_index = index;
timer_expired = TRUE;
}
}
index = (uint8_t)(index + 1);
}
#if !defined (CYCLIC_TIMER)
/* Start the timer again */
phOsalNfc_Timer_Start(
ps_timer_info->timer_id[PH_LLCNFC_GUARDTIMER],
PH_LLCNFC_RESOLUTION, phLlcNfc_GuardTimeoutCb, NULL);
#endif
PH_LLCNFC_DEBUG("TIMER EXPIRED : 0x%02X\n", timer_expired);
if (TRUE == timer_expired)
{
PH_LLCNFC_DEBUG("TIMER EXPIRED INDEX: 0x%02X\n", zero_to_index);
PH_LLCNFC_DEBUG("TIMER EXPIRED NS INDEX: 0x%02X\n", ps_timer_info->timer_ns_value[zero_to_index]);
PH_LLCNFC_DEBUG("TIMER EXPIRED RETRIES : 0x%02X\n", ps_timer_info->iframe_send_count[zero_to_index]);
PH_LLCNFC_DEBUG("TIMER EXPIRED GUARD TIME-OUT COUNT: 0x%02X\n", ps_timer_info->guard_to_value[zero_to_index]);
if ((0 == ps_timer_info->guard_to_value[zero_to_index]) &&
(ps_timer_info->iframe_send_count[zero_to_index] <
LLC_GUARD_TIMER_RETRIES))
{
if (ps_frame_info->s_send_store.winsize_cnt > 0)
{
uint8_t start_index = 0;
uint8_t timer_count = 0;
uint8_t while_exit = FALSE;
timer_count = ps_timer_info->guard_to_count;
/* Check before changing the index to resend, if index
already exist then dont set the index */
while ((FALSE == while_exit) && (start_index < timer_count))
{
if (resend_i_frame ==
ps_timer_info->frame_type[start_index])
{
while_exit = TRUE;
}
else
{
start_index = (uint8_t)(start_index + 1);
}
}
if (TRUE == while_exit)
{
ps_timer_info->index_to_send = zero_to_index;
}
ps_timer_info->frame_type[zero_to_index] = (uint8_t)
resend_i_frame;
/* Now resend the frame stored */
result = phLlcNfc_H_SendTimedOutIFrame (gpphLlcNfc_Ctxt,
&(ps_frame_info->s_send_store),
0);
}
}
else
{
if ((LLC_GUARD_TIMER_RETRIES ==
ps_timer_info->iframe_send_count[zero_to_index]) &&
(NULL != gpphLlcNfc_Ctxt->cb_for_if.notify))
{
phLlcNfc_StopAllTimers ();
#if defined (GUARD_TO_ERROR)
notifyinfo.status = PHNFCSTVAL(CID_NFC_LLC,
NFCSTATUS_BOARD_COMMUNICATION_ERROR);
#if 0
phOsalNfc_RaiseException(phOsalNfc_e_UnrecovFirmwareErr,1);
#endif /* #if 0 */
/* Resend done, no answer from the device */
gpphLlcNfc_Ctxt->cb_for_if.notify (
gpphLlcNfc_Ctxt->cb_for_if.pif_ctxt,
gpphLlcNfc_Ctxt->phwinfo,
NFC_NOTIFY_DEVICE_ERROR,
¬ifyinfo);
#endif /* #if defined (GUARD_TO_ERROR) */
#if (!defined (GUARD_TO_ERROR) && defined (GUARD_TO_URSET))
PH_LLCNFC_PRINT("U-RSET IS SENT \n");
ps_packet_info = &(gpphLlcNfc_Ctxt->s_frameinfo.s_llcpacket);
result = phLlcNfc_H_CreateUFramePayload(gpphLlcNfc_Ctxt,
ps_packet_info,
&(ps_packet_info->llcbuf_len),
phLlcNfc_e_rset);
result = phLlcNfc_Interface_Write(gpphLlcNfc_Ctxt,
(uint8_t*)&(ps_packet_info->s_llcbuf),
(uint32_t)ps_packet_info->llcbuf_len);
ps_frame_info->write_status = result;
if (NFCSTATUS_PENDING == result)
{
/* Start the timer */
result = phLlcNfc_StartTimers (PH_LLCNFC_CONNECTIONTIMER, 0);
if (NFCSTATUS_SUCCESS == result)
{
ps_frame_info->retry_cnt = 0;
gpphLlcNfc_Ctxt->s_frameinfo.sent_frame_type =
u_rset_frame;
result = NFCSTATUS_PENDING;
}
}
else
{
if (NFCSTATUS_BUSY == PHNFCSTATUS (result))
{
ps_frame_info->write_wait_call = u_rset_frame;
}
}
#endif /* #if defined (GUARD_TO_ERROR) */
}
}
}
}
PH_LLCNFC_PRINT("\n\nLLC : GUARD TIMEOUT CB END\n\n");
}
NFCSTATUS
phLlcNfc_StartTimers (
uint8_t TimerType,
uint8_t ns_value
)
{
NFCSTATUS result = NFCSTATUS_SUCCESS;
#ifdef LLC_TIMER_ENABLE
uint32_t timerid = 0;
uint8_t timerstarted = 0;
uint8_t timer_count = 0;
uint16_t timer_resolution = 0;
ppCallBck_t Callback = NULL;
phLlcNfc_Timerinfo_t *ps_timer_info = NULL;
ps_timer_info = &(gpphLlcNfc_Ctxt->s_timerinfo);
PHNFC_UNUSED_VARIABLE(result);
PH_LLCNFC_PRINT("\n\nLLC : START TIMER CALLED\n\n");
/* Depending on the timer type, use the Osal callback */
switch(TimerType)
{
case PH_LLCNFC_CONNECTIONTIMER:
{
/* Get the connection timer flag */
timerstarted = (uint8_t)
GET_BITS8(ps_timer_info->timer_flag,
PH_LLCNFC_CON_TO_BIT,
PH_LLCNFC_TO_NOOFBITS);
if (0 == timerstarted)
{
/* Timer not started, so start the timer */
gpphLlcNfc_Ctxt->s_timerinfo.timer_flag = (uint8_t)
SET_BITS8 (ps_timer_info->timer_flag,
PH_LLCNFC_CON_TO_BIT,
PH_LLCNFC_TO_NOOFBITS,
(PH_LLCNFC_CON_TO_BIT + 1));
}
timerid = ps_timer_info->timer_id[PH_LLCNFC_CONNECTION_TO_INDEX];
Callback = (ppCallBck_t)&phLlcNfc_ConnectionTimeoutCb;
timer_resolution = ps_timer_info->con_to_value = (uint16_t)
PH_LLCNFC_CONNECTION_TO_VALUE;
break;
}
case PH_LLCNFC_GUARDTIMER:
{
if (ps_timer_info->guard_to_count < PH_LLCNFC_MAX_GUARD_TIMER)
{
timer_count = ps_timer_info->guard_to_count;
timer_resolution = (uint16_t)PH_LLCNFC_RESOLUTION;
PH_LLCNFC_DEBUG("RESOLUTION VALUE : 0x%02X\n", PH_LLCNFC_RESOLUTION);
PH_LLCNFC_DEBUG("TIME-OUT VALUE : 0x%02X\n", PH_LLCNFC_GUARD_TO_VALUE);
/* Get the guard timer flag */
timerstarted = (uint8_t)
GET_BITS8 (ps_timer_info->timer_flag,
PH_LLCNFC_GUARD_TO_BIT,
PH_LLCNFC_TO_NOOFBITS);
PH_LLCNFC_DEBUG("GUARD TIMER NS INDEX : 0x%02X\n", ns_value);
PH_LLCNFC_DEBUG("GUARD TIMER COUNT : 0x%02X\n", timer_count);
PH_LLCNFC_DEBUG("GUARD TIMER STARTED : 0x%02X\n", timerstarted);
if (0 == timerstarted)
{
/* Timer not started, so start the timer */
ps_timer_info->timer_flag = (uint8_t)
SET_BITS8 (ps_timer_info->timer_flag,
PH_LLCNFC_GUARD_TO_BIT,
PH_LLCNFC_TO_NOOFBITS,
PH_LLCNFC_GUARD_TO_BIT);
}
timerid = ps_timer_info->timer_id[PH_LLCNFC_GUARDTIMER];
Callback = (ppCallBck_t)&phLlcNfc_GuardTimeoutCb;
/* Guard time out value */
ps_timer_info->guard_to_value[timer_count] = (uint16_t)
PH_LLCNFC_GUARD_TO_VALUE;
ps_timer_info->timer_ns_value[timer_count] = ns_value;
ps_timer_info->frame_type[timer_count] = (uint8_t)invalid_frame;
ps_timer_info->iframe_send_count[timer_count] = 0;
if ((timer_count > 0) &&
(ps_timer_info->guard_to_value[(timer_count - 1)] >=
PH_LLCNFC_GUARD_TO_VALUE))
{
/* If the timer has been started already and the
value is same as the previous means that timer has still
not expired, so the time out value is increased by
a resolution */
ps_timer_info->guard_to_value[timer_count] = (uint16_t)
(ps_timer_info->guard_to_value[(timer_count - 1)] +
PH_LLCNFC_RESOLUTION);
}
PH_LLCNFC_DEBUG("GUARD TIMER VALUE : 0x%04X\n", ps_timer_info->guard_to_value[timer_count]);
ps_timer_info->guard_to_count = (uint8_t)(
ps_timer_info->guard_to_count + 1);
}
else
{
/* TIMER should not start, because the time out count has readched the limit */
timerstarted = TRUE;
}
break;
}
#ifdef PIGGY_BACK
case PH_LLCNFC_ACKTIMER:
{
/* Get the ack timer flag */
timerstarted = (uint8_t)GET_BITS8 (
ps_timer_info->timer_flag,
PH_LLCNFC_GUARD_TO_BIT,
PH_LLCNFC_TO_NOOFBITS);
if (0 == timerstarted)
{
/* Timer not started, so start the timer */
ps_timer_info->timer_flag = (uint8_t)
SET_BITS8 (ps_timer_info->timer_flag,
PH_LLCNFC_GUARD_TO_BIT
PH_LLCNFC_TO_NOOFBITS
(PH_LLCNFC_GUARD_TO_BIT - 1));
}
timerid = ps_timer_info->timer_id[PH_LLCNFC_ACKTIMER];
Callback = (ppCallBck_t)&phLlcNfc_AckTimeoutCb;
break;
}
#endif /* #ifdef PIGGY_BACK */
default:
{
result = PHNFCSTVAL(CID_NFC_LLC,
NFCSTATUS_INVALID_PARAMETER);
break;
}
}
if ((NFCSTATUS_SUCCESS == result) &&
(FALSE == timerstarted))
{
PH_LLCNFC_DEBUG("OSAL START TIMER CALLED TIMER ID : 0x%02X\n", timerid);
phOsalNfc_Timer_Start (timerid, timer_resolution, Callback, NULL);
}
PH_LLCNFC_PRINT("\n\nLLC : START TIMER END\n\n");
#else /* #ifdef LLC_TIMER_ENABLE */
PHNFC_UNUSED_VARIABLE(result);
PHNFC_UNUSED_VARIABLE(TimerType);
PHNFC_UNUSED_VARIABLE(ns_value);
#endif /* #ifdef LLC_TIMER_ENABLE */
return result;
}
NFCSTATUS phNciNfc_RegForConnCredits(
uint8_t bConnId,
pphNciNfc_ConnCreditsNtf_t pNotify,
void *pContext,
uint32_t CreditTo
)
{
NFCSTATUS wStatus = NFCSTATUS_SUCCESS;
uint8_t bConnListIdx;
uint32_t TimerId;
PH_LOG_NCI_FUNC_ENTRY();
if((NULL == pNotify) || (NULL == pContext))
{
wStatus = PHNFCSTVAL(CID_NFC_NCI, NFCSTATUS_INVALID_PARAMETER);
PH_LOG_NCI_INFO_STR(" Invalid Caller Layer Param(s) received ..");
}
else
{
for(bConnListIdx = 0; bConnListIdx < (MAX_LOGICAL_CONNS+1) ; bConnListIdx++)
{
if(bConnId == gphNciNfc_ConnMgmtInt.tConnInfo.tConnList[bConnListIdx].tConn.bConnId)
{
if((TRUE == gphNciNfc_ConnMgmtInt.tConnInfo.tConnList[bConnListIdx].bIfActive) ||
(CONNTYPE_STATIC == gphNciNfc_ConnMgmtInt.tConnInfo.tConnList[bConnListIdx].tConn.bConnId))
{
wStatus = NFCSTATUS_SUCCESS;
}
else
{
PH_LOG_NCI_CRIT_STR(" Interface not active for this connection");
wStatus = NFCSTATUS_FAILED;
}
break;
}
}
if(NFCSTATUS_SUCCESS == wStatus)
{
gphNciNfc_ConnMgmtInt.bConnId = bConnId;
gphNciNfc_ConnMgmtInt.pCrdtsNotify = pNotify;
gphNciNfc_ConnMgmtInt.pContext = pContext;
TimerId = phOsalNfc_Timer_Create();
if (0 == TimerId)
{
PH_LOG_NCI_WARN_STR("Credit wait Timer Create failed!!");
wStatus = NFCSTATUS_INSUFFICIENT_RESOURCES;
}
else
{
PH_LOG_NCI_INFO_STR("Credit wait Timer Created Successfully");
gphNciNfc_ConnMgmtInt.tCWTimerIf.dwTimerId = TimerId;
gphNciNfc_ConnMgmtInt.tCWTimerIf.TimerStatus = 0;
PH_LOG_NCI_INFO_STR("Credit timeout set to %d, for ConnId 0x%x",CreditTo, bConnId);
wStatus = phOsalNfc_Timer_Start(gphNciNfc_ConnMgmtInt.tCWTimerIf.dwTimerId,
CreditTo,
&phNciNfc_WaitCreditTimerCb,
&gphNciNfc_ConnMgmtInt);
if (NFCSTATUS_SUCCESS == wStatus)
{
PH_LOG_NCI_INFO_STR("Credit wait timer started..");
gphNciNfc_ConnMgmtInt.tCWTimerIf.TimerStatus = 1;
/* Set the CreditsAwaited flag to indicate credit notif function to call the registered CB */
gphNciNfc_ConnMgmtInt.bCreditsAwaited = TRUE;
}
else
{
PH_LOG_NCI_WARN_STR("Failed to start credit ntf wait timer!");
(void )phOsalNfc_Timer_Delete(gphNciNfc_ConnMgmtInt.tCWTimerIf.dwTimerId);
gphNciNfc_ConnMgmtInt.tCWTimerIf.dwTimerId = 0;
wStatus = NFCSTATUS_FAILED;
}
}
}
}
PH_LOG_NCI_FUNC_EXIT();
return wStatus;
}
/**Send complete handler*/
void phHal4Nfc_SendCompleteHandler(phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt,void *pInfo)
{
pphHal4Nfc_SendCallback_t pUpperSendCb = NULL;
pphHal4Nfc_TransceiveCallback_t pUpperTrcvCb = NULL;
NFCSTATUS SendStatus = ((phNfc_sCompletionInfo_t *)pInfo)->status;
pphHal4Nfc_DiscntCallback_t pUpperDisconnectCb = NULL;
Hal4Ctxt->psTrcvCtxtInfo->P2P_Send_In_Progress = FALSE;
/*Send status Success or Pending disconnect in HAl4*/
if((SendStatus != NFCSTATUS_SUCCESS)
||(NFC_INVALID_RELEASE_TYPE != Hal4Ctxt->sTgtConnectInfo.ReleaseType))
{
Hal4Ctxt->Hal4NextState = eHal4StateInvalid;
/*Update Status*/
SendStatus = (NFCSTATUS)(NFC_INVALID_RELEASE_TYPE !=
Hal4Ctxt->sTgtConnectInfo.ReleaseType?NFCSTATUS_RELEASED:SendStatus);
/*Callback For Target Send*/
if(NULL != Hal4Ctxt->psTrcvCtxtInfo->pP2PSendCb)
{
pUpperSendCb = Hal4Ctxt->psTrcvCtxtInfo->pP2PSendCb;
Hal4Ctxt->psTrcvCtxtInfo->pP2PSendCb = NULL;
(*pUpperSendCb)(
Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt,
SendStatus
);
}
else/*Callback For Initiator Send*/
{
if(NULL != Hal4Ctxt->psTrcvCtxtInfo->pUpperTranceiveCb)
{
Hal4Ctxt->psTrcvCtxtInfo->psUpperRecvData->length = 0;
pUpperTrcvCb = Hal4Ctxt->psTrcvCtxtInfo->pUpperTranceiveCb;
Hal4Ctxt->psTrcvCtxtInfo->pUpperTranceiveCb = NULL;
(*pUpperTrcvCb)(
Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt,
Hal4Ctxt->sTgtConnectInfo.psConnectedDevice,
Hal4Ctxt->psTrcvCtxtInfo->psUpperRecvData,
SendStatus
);
}
}
/*Issue Pending disconnect from HAl4*/
if(NFC_INVALID_RELEASE_TYPE != Hal4Ctxt->sTgtConnectInfo.ReleaseType)
{
SendStatus = phHal4Nfc_Disconnect_Execute(gpphHal4Nfc_Hwref);
if((NFCSTATUS_PENDING != SendStatus) &&
(NULL != Hal4Ctxt->sTgtConnectInfo.pUpperDisconnectCb))
{
pUpperDisconnectCb =
Hal4Ctxt->sTgtConnectInfo.pUpperDisconnectCb;
Hal4Ctxt->sTgtConnectInfo.pUpperDisconnectCb = NULL;
(*pUpperDisconnectCb)(
Hal4Ctxt->sUpperLayerInfo.psUpperLayerDisconnectCtxt,
Hal4Ctxt->sTgtConnectInfo.psConnectedDevice,
SendStatus
);/*Notify disconnect failed to upper layer*/
}
}
}
else
{
/*More info remaining in send buffer.continue with sending remaining
bytes*/
if(Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->length
> PH_HAL4NFC_MAX_SEND_LEN)
{
/*Set more info*/
Hal4Ctxt->psTrcvCtxtInfo->
XchangeInfo.params.nfc_info.more_info = TRUE;
/*copy to tx_buffer ,remaining bytes.NumberOfBytesSent is the
number of bytes already sent from current send buffer.*/
Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo.tx_buffer
= (Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->buffer
+ Hal4Ctxt->psTrcvCtxtInfo->NumberOfBytesSent);
Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo.tx_length
= PH_HAL4NFC_MAX_SEND_LEN;
Hal4Ctxt->psTrcvCtxtInfo->NumberOfBytesSent
+= PH_HAL4NFC_MAX_SEND_LEN;
Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->length
-= PH_HAL4NFC_MAX_SEND_LEN;
PHDBG_INFO("Hal4:Calling Hci_senddata() from sendcompletehandler1");
SendStatus = phHciNfc_Send_Data (
Hal4Ctxt->psHciHandle,
gpphHal4Nfc_Hwref,
Hal4Ctxt->sTgtConnectInfo.psConnectedDevice,
&(Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo)
);
if(NFCSTATUS_PENDING == SendStatus)
{
Hal4Ctxt->psTrcvCtxtInfo->P2P_Send_In_Progress = TRUE;
}
}
/*Remaining bytes is less than PH_HAL4NFC_MAX_SEND_LEN*/
else if(Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->length > 0)
{
Hal4Ctxt->psTrcvCtxtInfo->
XchangeInfo.params.nfc_info.more_info = FALSE;
Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo.tx_length
= (uint8_t)Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->length;
Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo.tx_buffer
= (Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->buffer
+ Hal4Ctxt->psTrcvCtxtInfo->NumberOfBytesSent);
Hal4Ctxt->psTrcvCtxtInfo->NumberOfBytesSent = 0;
/*No of bytes remaining for next send*/
Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->length = 0;
PHDBG_INFO("Hal4:Calling Hci_senddata() from sendcompletehandler2");
SendStatus = phHciNfc_Send_Data (
Hal4Ctxt->psHciHandle,
gpphHal4Nfc_Hwref,
Hal4Ctxt->sTgtConnectInfo.psConnectedDevice,
&(Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo)
);
}
else/*No more Bytes left.Send complete*/
{
Hal4Ctxt->psTrcvCtxtInfo->NumberOfBytesSent = 0;
/*Callback For Target Send*/
if(NULL != Hal4Ctxt->psTrcvCtxtInfo->pP2PSendCb)
{
pUpperSendCb = Hal4Ctxt->psTrcvCtxtInfo->pP2PSendCb;
Hal4Ctxt->psTrcvCtxtInfo->pP2PSendCb = NULL;
(*pUpperSendCb)(
Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt,
SendStatus
);
}
else
{
/**Start timer to keep track of transceive timeout*/
#ifdef TRANSACTION_TIMER
phOsalNfc_Timer_Start(
Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId,
PH_HAL4NFC_TRANSCEIVE_TIMEOUT,
phHal4Nfc_TrcvTimeoutHandler
);
#endif /*TRANSACTION_TIMER*/
}
}
}
return;
}
NFCSTATUS
phHal4Nfc_Receive(
phHal_sHwReference_t *psHwReference,
phHal4Nfc_TransactInfo_t *psRecvInfo,
pphHal4Nfc_ReceiveCallback_t pReceiveCallback,
void *pContext
)
{
NFCSTATUS RetStatus = NFCSTATUS_PENDING;
phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt = NULL;
/*NULL checks*/
if((NULL == psHwReference)
||( NULL == pReceiveCallback)
||( NULL == psRecvInfo))
{
phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
RetStatus = PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_INVALID_PARAMETER);
}
/*Check initialised state*/
else if((NULL == psHwReference->hal_context)
|| (((phHal4Nfc_Hal4Ctxt_t *)
psHwReference->hal_context)->Hal4CurrentState
< eHal4StateOpenAndReady)
|| (((phHal4Nfc_Hal4Ctxt_t *)
psHwReference->hal_context)->Hal4NextState
== eHal4StateClosed))
{
RetStatus = PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_NOT_INITIALISED);
}
else
{
Hal4Ctxt = (phHal4Nfc_Hal4Ctxt_t *)psHwReference->hal_context;
if(NFC_EVT_ACTIVATED == Hal4Ctxt->sTgtConnectInfo.EmulationState)
{
/*Following condition gets satisfied only on target side,if receive
is not already called*/
if(NULL == Hal4Ctxt->psTrcvCtxtInfo)
{
Hal4Ctxt->psTrcvCtxtInfo= (pphHal4Nfc_TrcvCtxtInfo_t)
phOsalNfc_GetMemory((uint32_t)
(sizeof(phHal4Nfc_TrcvCtxtInfo_t)));
if(NULL != Hal4Ctxt->psTrcvCtxtInfo)
{
(void)memset(Hal4Ctxt->psTrcvCtxtInfo,0,
sizeof(phHal4Nfc_TrcvCtxtInfo_t));
Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId
= PH_OSALNFC_INVALID_TIMER_ID;
Hal4Ctxt->psTrcvCtxtInfo->RecvDataBufferStatus = NFCSTATUS_PENDING;
}
}
if(NULL == Hal4Ctxt->psTrcvCtxtInfo)
{
phOsalNfc_RaiseException(phOsalNfc_e_NoMemory,0);
RetStatus= PHNFCSTVAL(CID_NFC_HAL ,
NFCSTATUS_INSUFFICIENT_RESOURCES);
}
else /*Store callback & Return status pending*/
{
Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt = pContext;
/*Register upper layer callback*/
Hal4Ctxt->psTrcvCtxtInfo->pUpperTranceiveCb = NULL;
Hal4Ctxt->psTrcvCtxtInfo->pP2PRecvCb = pReceiveCallback;
if(NFCSTATUS_PENDING !=
Hal4Ctxt->psTrcvCtxtInfo->RecvDataBufferStatus)
{
/**Create a timer to send received data in the callback*/
if(Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId
== PH_OSALNFC_INVALID_TIMER_ID)
{
PHDBG_INFO("HAL4: Transaction Timer Create for Receive");
Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId
= phOsalNfc_Timer_Create();
}
if(Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId
== PH_OSALNFC_INVALID_TIMER_ID)
{
RetStatus = PHNFCSTVAL(CID_NFC_HAL ,
NFCSTATUS_INSUFFICIENT_RESOURCES);
}
else/*start the timer*/
{
phOsalNfc_Timer_Start(
Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId,
PH_HAL4NFC_RECV_CB_TIMEOUT,
phHal4Nfc_P2PRecvTimerCb,
NULL
);
}
}
}
}
else/*deactivated*/
{
RetStatus= PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_DESELECTED);
}
}
return RetStatus;
}