static
NFCSTATUS
phFriNfc_MfUL_UpdateAndWriteLockBits (
phFriNfc_sNdefSmtCrdFmt_t *NdefSmtCrdFmt)
{
NFCSTATUS result = NFCSTATUS_SUCCESS;
phFriNfc_Type2_AddInfo_t *ps_type2_info =
&(NdefSmtCrdFmt->AddInfo.Type2Info);
uint8_t byte_index = 0;
uint8_t no_of_bits_left_in_block = 0;
uint8_t remaining_lock_bits = 0;
uint8_t remaining_lock_bytes = 0;
/* Array of 3 is used because the lock bits with 4 bytes in a block
is handled in the function phFriNfc_MfUL_ReadWriteLockBytes
So use this function only if lock bytes doesnt use the entire block */
uint8_t lock_bytes_value[MFUL_BLOCK_SIZE_IN_BYTES] = {0};
uint8_t lock_byte_index = 0;
(void)phOsalNfc_MemCopy ((void *)lock_bytes_value,
(void*)(ps_type2_info->ReadData + ps_type2_info->ReadDataIndex),
sizeof (ps_type2_info->DynLockBytes));
remaining_lock_bits = phFriNfc_MfUL_CalcRemainingLockBits (NdefSmtCrdFmt);
if (ps_type2_info->CurrentBlock == ps_type2_info->LockBlockNumber)
{
/* 1st write to lock bits, so byte_index is updated */
byte_index = ps_type2_info->LockByteNumber;
}
no_of_bits_left_in_block = (uint8_t)((MFUL_BLOCK_SIZE_IN_BYTES - byte_index) *
MFUL_BYTE_SIZE_IN_BITS);
if (no_of_bits_left_in_block >= remaining_lock_bits)
{
/* Entire lock bits can be written
if block size is more than number of lock bits.
so allocate the lock bits with value 1b and
dont change the remaining bits */
if (remaining_lock_bits % MFUL_BYTE_SIZE_IN_BITS)
{
/* mod operation has resulted in a value, means lock bits ends in between a byte */
uint8_t mod_value = 0;
remaining_lock_bytes = ((remaining_lock_bits /
MFUL_BYTE_SIZE_IN_BITS) + 1);
/* mod_value is used to fill the only partial bits and
remaining bits shall be untouched */
mod_value = (uint8_t)(remaining_lock_bits % MFUL_BYTE_SIZE_IN_BITS);
if (remaining_lock_bits > MFUL_BYTE_SIZE_IN_BITS)
{
/* lock bits to write is greater than 8 bits */
while (lock_byte_index < (remaining_lock_bytes - 1))
{
/* Set 1b to all bits left in the block */
lock_bytes_value[byte_index] = 0xFF;
lock_byte_index = (uint8_t)(lock_byte_index + 1);
byte_index = (uint8_t)(byte_index + 1);
}
/* Last byte of the lock bits shall be filled partially,
Set only the remaining lock bits and dont change
the other bit value */
lock_bytes_value[byte_index] = 0;
lock_bytes_value[byte_index] = (uint8_t)
SET_BITS8 (lock_bytes_value[byte_index], 0,
mod_value, 1);
}
else
{
/* lock bits to write is less than 8 bits, so
there is only one byte to write.
Set only the remaining lock bits and dont change
the other bit value */
lock_bytes_value[0] = (uint8_t)SET_BITS8 (lock_bytes_value[0], 0,
mod_value, 1);
}
} /* if (remaining_lock_bits % MFUL_BYTE_SIZE_IN_BITS) */
else
{
/* MOD operation is 00, that means entire byte value shall be 0xFF, means
every bit shall be to 1 */
remaining_lock_bytes = (remaining_lock_bits /
MFUL_BYTE_SIZE_IN_BITS);
while (lock_byte_index < remaining_lock_bytes)
{
/* Set 1b to all bits left in the block */
lock_bytes_value[byte_index] = 0xFF;
lock_byte_index = (uint8_t)(lock_byte_index + 1);
byte_index = (uint8_t)(byte_index + 1);
}
} /* else of if (remaining_lock_bits % MFUL_BYTE_SIZE_IN_BITS) */
ps_type2_info->LockBitsWritten = (uint8_t)(ps_type2_info->LockBitsWritten +
remaining_lock_bits);
} /* if (no_of_bits_left_in_block >= remaining_lock_bits) */
else
{
/* Update till the left bits in the block and then carry
out next operation after this write */
while (lock_byte_index < (no_of_bits_left_in_block / MFUL_BYTE_SIZE_IN_BITS))
{
/* Set 1b to all bits left in the block */
lock_bytes_value[byte_index] = 0xFF;
lock_byte_index = (uint8_t)(lock_byte_index + 1);
byte_index = (uint8_t)(byte_index + 1);
}
ps_type2_info->LockBitsWritten = (uint8_t)(ps_type2_info->LockBitsWritten +
no_of_bits_left_in_block);
} /* else of if (no_of_bits_left_in_block >= remaining_lock_bits) */
/* Copy the values back to the DynLockBytes structure member */
(void)phOsalNfc_MemCopy ((void*)ps_type2_info->DynLockBytes,
(void *)lock_bytes_value,
sizeof (ps_type2_info->DynLockBytes));
NdefSmtCrdFmt->State = PH_FRINFC_MFUL_FMT_RO_WR_DYN_LOCK_BYTES;
result = phFriNfc_MfUL_H_WrRd (NdefSmtCrdFmt);
return result;
}
void
phLlcNfc_StopTimers (
uint8_t TimerType,
uint8_t no_of_guard_to_del
)
{
NFCSTATUS result = NFCSTATUS_SUCCESS;
#ifdef LLC_TIMER_ENABLE
uint32_t timerid = 0,
timerflag = FALSE;
uint8_t timer_count = 0;
phLlcNfc_Timerinfo_t *ps_timer_info = NULL;
ps_timer_info = &(gpphLlcNfc_Ctxt->s_timerinfo);
timerflag = ps_timer_info->timer_flag;
PHNFC_UNUSED_VARIABLE (result);
PH_LLCNFC_PRINT("\n\nLLC : STOP TIMER CALLED\n\n");
switch(TimerType)
{
case PH_LLCNFC_CONNECTIONTIMER:
{
ps_timer_info->timer_flag = (uint8_t)
SET_BITS8(ps_timer_info->timer_flag,
PH_LLCNFC_CON_TO_BIT,
PH_LLCNFC_TO_NOOFBITS, 0);
timerid = ps_timer_info->timer_id
[PH_LLCNFC_CONNECTION_TO_INDEX];
break;
}
case PH_LLCNFC_GUARDTIMER:
{
uint8_t start_index = 0;
timer_count = ps_timer_info->guard_to_count;
PH_LLCNFC_DEBUG("GUARD TIMER COUNT BEFORE DELETE: 0x%02X\n", timer_count);
PH_LLCNFC_DEBUG("GUARD TIMER TO DELETE: 0x%02X\n", no_of_guard_to_del);
if (timer_count > no_of_guard_to_del)
{
/* The number of guard timer count is more than the
guard timer to delete */
while (start_index < no_of_guard_to_del)
{
/* Copy the previous stored timer values to the present */
ps_timer_info->guard_to_value[start_index] = (uint16_t)
(ps_timer_info->guard_to_value[
(no_of_guard_to_del + start_index)]);
ps_timer_info->iframe_send_count[start_index] = (uint8_t)
(ps_timer_info->iframe_send_count[
(no_of_guard_to_del + start_index)]);
PH_LLCNFC_DEBUG("GUARD TIMER NS INDEX DELETED : 0x%02X\n", ps_timer_info->timer_ns_value[start_index]);
ps_timer_info->timer_ns_value[start_index] = (uint8_t)
(ps_timer_info->timer_ns_value[
(no_of_guard_to_del + start_index)]);
ps_timer_info->frame_type[start_index] = (uint8_t)
(ps_timer_info->frame_type[
(no_of_guard_to_del + start_index)]);
start_index = (uint8_t)(start_index + 1);
}
}
else
{
while (start_index < no_of_guard_to_del)
{
ps_timer_info->guard_to_value[start_index] = 0;
ps_timer_info->iframe_send_count[start_index] = 0;
PH_LLCNFC_DEBUG("GUARD TIMER NS INDEX DELETED ELSE : 0x%02X\n", ps_timer_info->timer_ns_value[start_index]);
ps_timer_info->timer_ns_value[start_index] = 0;
ps_timer_info->frame_type[start_index] = 0;
start_index = (uint8_t)(start_index + 1);
}
}
if (timer_count >= no_of_guard_to_del)
{
timer_count = (uint8_t)(timer_count - no_of_guard_to_del);
}
else
{
if (0 != no_of_guard_to_del)
{
timer_count = 0;
}
}
timerid = ps_timer_info->timer_id[PH_LLCNFC_GUARDTIMER];
ps_timer_info->guard_to_count = timer_count;
PH_LLCNFC_DEBUG("GUARD TIMER COUNT AFTER DELETE: 0x%02X\n", timer_count);
if (0 == ps_timer_info->guard_to_count)
{
/* This means that there are no frames to run guard
timer, so set the timer flag to 0 */
ps_timer_info->timer_flag = (uint8_t)
SET_BITS8 (ps_timer_info->timer_flag,
PH_LLCNFC_GUARD_TO_BIT,
PH_LLCNFC_TO_NOOFBITS, 0);
}
else
{
timerflag = 0;
}
break;
}
#ifdef PIGGY_BACK
case PH_LLCNFC_ACKTIMER:
{
ps_timer_info->timer_flag = (uint8_t)
SET_BITS8 (ps_timer_info->timer_flag,
PH_LLCNFC_GUARD_TO_BIT,
PH_LLCNFC_TO_NOOFBITS, 0);
timerid = ps_timer_info->timer_id[PH_LLCNFC_ACKTIMER];
break;
}
#endif /* #ifdef PIGGY_BACK */
default:
{
result = PHNFCSTVAL(CID_NFC_LLC,
NFCSTATUS_INVALID_PARAMETER);
break;
}
}
if ((NFCSTATUS_SUCCESS == result) && (timerflag > 0))
{
PH_LLCNFC_DEBUG("OSAL STOP TIMER CALLED TIMER ID : 0x%02X\n", timerid);
phOsalNfc_Timer_Stop (timerid);
}
PH_LLCNFC_PRINT("\n\nLLC : STOP TIMER END\n\n");
#else /* #ifdef LLC_TIMER_ENABLE */
PHNFC_UNUSED_VARIABLE (result);
PHNFC_UNUSED_VARIABLE (TimerType);
PHNFC_UNUSED_VARIABLE (no_of_gaurd_to_del);
#endif /* #ifdef LLC_TIMER_ENABLE */
}
void
phLlcNfc_StopAllTimers (void)
{
#ifdef LLC_TIMER_ENABLE
phLlcNfc_Timerinfo_t *ps_timer_info = NULL;
uint8_t timer_started = 0;
uint32_t timerid = 0;
uint8_t timer_index = 0;
ps_timer_info = &(gpphLlcNfc_Ctxt->s_timerinfo);
PH_LLCNFC_PRINT("\n\nLLC : STOP ALL TIMERS CALLED \n\n");
timerid = ps_timer_info->timer_id[timer_index];
timer_started = (uint8_t)
GET_BITS8(ps_timer_info->timer_flag,
PH_LLCNFC_CON_TO_BIT,
PH_LLCNFC_TO_NOOFBITS);
PH_LLCNFC_DEBUG("CONNECTION TIMER ID: 0x%02X\n", timerid);
if (0 != timer_started)
{
/* Connection timer is started, so now stop it */
ps_timer_info->timer_flag = (uint8_t)
SET_BITS8 (ps_timer_info->timer_flag,
PH_LLCNFC_CON_TO_BIT,
PH_LLCNFC_TO_NOOFBITS, 0);
#if 0
ps_timer_info->con_to_value = 0;
#endif /* #if 0 */
phOsalNfc_Timer_Stop (timerid);
}
timer_index = (uint8_t)(timer_index + 1);
timerid = ps_timer_info->timer_id[timer_index];
timer_started = (uint8_t)GET_BITS8 (ps_timer_info->timer_flag,
PH_LLCNFC_GUARD_TO_BIT,
PH_LLCNFC_TO_NOOFBITS);
if (0 != timer_started)
{
/* Guard timer is already started */
ps_timer_info->timer_flag = (uint8_t)
SET_BITS8 (ps_timer_info->timer_flag,
PH_LLCNFC_GUARD_TO_BIT,
PH_LLCNFC_TO_NOOFBITS, 0);
timer_index = 0;
ps_timer_info->guard_to_count = 0;
#if 0
/* Reset all the guard timer related variables */
while (timer_index < ps_timer_info->guard_to_count)
{
ps_timer_info->guard_to_value[timer_index] = 0;
ps_timer_info->iframe_send_count[timer_index] = 0;
timer_index = (uint8_t)(timer_index + 1);
}
#endif /* #if 0 */
PH_LLCNFC_DEBUG("GUARD TIMER ID: 0x%02X\n", timerid);
/* Stop the timer */
phOsalNfc_Timer_Stop (timerid);
PH_LLCNFC_PRINT("\n\nLLC : STOP ALL TIMERS END \n\n");
}
#endif /* #ifdef LLC_TIMER_ENABLE */
}
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;
}