void _time_delay_for
(
/* [IN] the number of ticks to delay */
register MQX_TICK_STRUCT_PTR ticks
)
{ /* Body */
register KERNEL_DATA_STRUCT_PTR kernel_data;
register TD_STRUCT_PTR td_ptr;
_GET_KERNEL_DATA(kernel_data);
_KLOGE2(KLOG_time_delay_for, ticks);
#if MQX_CHECK_ERRORS
if (ticks == NULL) {
_task_set_error(MQX_INVALID_PARAMETER);
_KLOGX2(KLOG_time_delay_for, MQX_INVALID_PARAMETER);
return;
} /* Endif */
#endif
td_ptr = kernel_data->ACTIVE_PTR;
_INT_DISABLE();
/* Calculate time to wake up the task */
PSP_ADD_TICKS(ticks, &kernel_data->TIME, &td_ptr->TIMEOUT);
_time_delay_internal(td_ptr);
_INT_ENABLE();
_KLOGX1(KLOG_time_delay_for);
} /* Endbody */
_mqx_uint _lwsem_wait_for
(
/* [IN] the semaphore address */
LWSEM_STRUCT_PTR sem_ptr,
/* [IN] the number of ticks to delay */
MQX_TICK_STRUCT_PTR ticks
)
{ /* Body */
KERNEL_DATA_STRUCT_PTR kernel_data;
TD_STRUCT_PTR td_ptr;
_mqx_uint result;
_GET_KERNEL_DATA(kernel_data);
_KLOGE3(KLOG_lwsem_wait_for, sem_ptr, ticks);
#if MQX_CHECK_ERRORS
if (kernel_data->IN_ISR) {
_KLOGX2(KLOG_lwsem_wait_for, MQX_CANNOT_CALL_FUNCTION_FROM_ISR);
return(MQX_CANNOT_CALL_FUNCTION_FROM_ISR);
} /* Endif */
#endif
#if MQX_CHECK_VALIDITY
if (sem_ptr->VALID != LWSEM_VALID) {
_KLOGX2(KLOG_lwsem_wait_for, MQX_INVALID_LWSEM);
return(MQX_INVALID_LWSEM);
} /* Endif */
#endif
_INT_DISABLE();
if (sem_ptr->VALUE <= 0) {
td_ptr = kernel_data->ACTIVE_PTR;
/* Calculate time to wake up the task */
PSP_ADD_TICKS(ticks, &kernel_data->TIME, &td_ptr->TIMEOUT);
result = _lwsem_wait_timed_internal(sem_ptr, td_ptr);
} else {
--sem_ptr->VALUE;
/* Start CR 788 */
result = MQX_OK;
/* End CR 788 */
} /* Endif */
//#if MQX_COMPONENT_DESTRUCTION
/* We must check for component destruction */
if (sem_ptr->VALID != LWSEM_VALID) {
_int_enable();
/* The semaphore has been deleted */
_KLOGX2(KLOG_lwsem_wait_for, MQX_INVALID_LWSEM);
return(MQX_INVALID_LWSEM);
} /* Endif */
//#endif
_INT_ENABLE();
_KLOGX2(KLOG_lwsem_wait_for, result);
return(result);
} /* Endbody */
MQX_TICK_STRUCT_PTR _time_add_sec_to_ticks
(
/* [IN] The structure to add to */
MQX_TICK_STRUCT_PTR tick_ptr,
/* [IN] The number of seconds to add */
_mqx_uint secs
)
{ /* Body */
MQX_TICK_STRUCT tmp;
if (secs) {
PSP_SECONDS_TO_TICKS(secs, &tmp);
PSP_ADD_TICKS(tick_ptr, &tmp, tick_ptr);
} /* Endif */
return tick_ptr;
} /* Endbody */
/*!
* \private
*
* \brief Writes data to the lightweight log.
*
* \param[in] log_number Log number of a previously created lightweight log.
* \param[in] p1 Data to be written into the log entry.
* \param[in] p2 Data to be written into the log entry.
* \param[in] p3 Data to be written into the log entry.
* \param[in] p4 Data to be written into the log entry.
* \param[in] p5 Data to be written into the log entry.
* \param[in] p6 Data to be written into the log entry.
* \param[in] p7 Data to be written into the log entry.
*
* \return MQX_OK
* \return LOG_FULL (Log is full and LOG_OVERWRITE is not set.)
* \return LOG_DISABLED (Log is disabled.)
* \return LOG_DOES_NOT_EXIST (Log_number was not created.)
* \return MQX_INVALID_COMPONENT_HANDLE (Log component data is not valid.)
*
* \see _lwlog_write
*/
_mqx_uint _lwlog_write_internal
(
_mqx_uint log_number,
_mqx_max_type p1,
_mqx_max_type p2,
_mqx_max_type p3,
_mqx_max_type p4,
_mqx_max_type p5,
_mqx_max_type p6,
_mqx_max_type p7
)
{ /* Body */
KERNEL_DATA_STRUCT_PTR kernel_data;
LWLOG_COMPONENT_STRUCT_PTR log_component_ptr;
LWLOG_HEADER_STRUCT_PTR log_header_ptr;
_mqx_max_type *data_ptr;
LWLOG_ENTRY_STRUCT_PTR log_ptr;
#if MQX_LWLOG_TIME_STAMP_IN_TICKS == 0
TIME_STRUCT time;
MQX_TICK_STRUCT ticks;
#endif
_GET_KERNEL_DATA(kernel_data);
log_component_ptr = (LWLOG_COMPONENT_STRUCT_PTR) kernel_data->KERNEL_COMPONENTS[KERNEL_LWLOG];
log_header_ptr = log_component_ptr->LOGS[log_number];
#if MQX_CHECK_VALIDITY
if (log_component_ptr->VALID != LWLOG_VALID)
{
return (MQX_INVALID_COMPONENT_HANDLE);
} /* Endif */
#endif
#if MQX_CHECK_ERRORS
if (log_header_ptr == NULL)
{
return (LOG_DOES_NOT_EXIST);
} /* Endif */
#endif
if (!(log_header_ptr->FLAGS & LWLOG_ENABLED))
{
return (LOG_DISABLED);
} /* Endif */
log_ptr = log_header_ptr->WRITE_PTR->NEXT_PTR;
if (log_header_ptr->CURRENT_ENTRIES >= log_header_ptr->MAX_ENTRIES)
{
if (log_header_ptr->FLAGS & LOG_OVERWRITE)
{
if (log_ptr == log_header_ptr->READ_PTR)
{
log_header_ptr->READ_PTR = log_ptr->NEXT_PTR;
} /* Endif */
log_header_ptr->OLDEST_PTR = log_ptr->NEXT_PTR;
}
else
{
return (LOG_FULL);
} /* Endif */
}
else
{
log_header_ptr->CURRENT_ENTRIES++;
} /* Endif */
#if MQX_LWLOG_TIME_STAMP_IN_TICKS == 0
log_ptr->MICROSECONDS = (uint32_t)_time_get_microseconds();
PSP_ADD_TICKS(&kernel_data->TIME, &kernel_data->TIME_OFFSET, &ticks);
PSP_TICKS_TO_TIME(&ticks, &time);
log_ptr->SECONDS = time.SECONDS;
log_ptr->MILLISECONDS = time.MILLISECONDS;
#else
log_ptr->TIMESTAMP = kernel_data->TIME;
log_ptr->TIMESTAMP.HW_TICKS = _time_get_hwticks();
PSP_ADD_TICKS(&log_ptr->TIMESTAMP, &kernel_data->TIME_OFFSET,
&log_ptr->TIMESTAMP);
#endif
log_ptr->SEQUENCE_NUMBER = log_header_ptr->NUMBER++;
data_ptr = &log_ptr->DATA[0];
*data_ptr++ = p1;
*data_ptr++ = p2;
*data_ptr++ = p3;
*data_ptr++ = p4;
*data_ptr++ = p5;
*data_ptr++ = p6;
*data_ptr = p7;
log_header_ptr->WRITE_PTR = log_ptr;
return (MQX_OK);
} /* Endbody */
_mqx_uint _lwmsgq_receive
(
/* Handle to the queue */
pointer handle,
/* location of message to copy to */
_mqx_max_type_ptr message,
/* flags for blocking on empty */
_mqx_uint flags,
/* Timeout for receive if using ticks if 0, ignored */
_mqx_uint ticks,
/* Timeout if receive timout using tick struct must have flags set */
MQX_TICK_STRUCT_PTR tick_ptr
)
{/* Body */
KERNEL_DATA_STRUCT_PTR kernel_data;
TD_STRUCT_PTR td_ptr;
LWMSGQ_STRUCT_PTR q_ptr = (LWMSGQ_STRUCT_PTR)handle;
_mqx_uint i;
_mqx_max_type_ptr from_ptr;
_mqx_max_type_ptr to_ptr;
#if MQX_ENABLE_USER_MODE && MQX_ENABLE_USER_STDAPI
if (MQX_RUN_IN_USER_MODE) {
return _usr_lwmsgq_receive(handle, message, flags, ticks, tick_ptr);
}
#endif
/* Start CR 1944 */
_GET_KERNEL_DATA(kernel_data);
_KLOGE6(KLOG_lwmsgq_receive, handle, message, flags, ticks, tick_ptr);
/* End CR 1944 */
_int_disable();
#if MQX_CHECK_VALIDITY
if (q_ptr->VALID != LWMSGQ_VALID){
_int_enable();
/* Start CR 1944 */
_KLOGX2(KLOG_lwmsgq_send, LWMSGQ_INVALID);
/* End CR 1944 */
return LWMSGQ_INVALID;
} /* Endif */
#endif
if (LWMSGQ_IS_EMPTY(q_ptr)) {
if (flags & LWMSGQ_RECEIVE_BLOCK_ON_EMPTY) {
td_ptr = kernel_data->ACTIVE_PTR;
while (LWMSGQ_IS_EMPTY(q_ptr)) {
td_ptr->STATE = LWMSGQ_READ_BLOCKED;
td_ptr->INFO = (_mqx_uint)&q_ptr->WAITING_READERS;
_QUEUE_UNLINK(td_ptr);
_QUEUE_ENQUEUE(&q_ptr->WAITING_READERS, &td_ptr->AUX_QUEUE);
if (ticks || (flags & (LWMSGQ_TIMEOUT_UNTIL | LWMSGQ_TIMEOUT_FOR))){
if (ticks) {
PSP_ADD_TICKS_TO_TICK_STRUCT(&kernel_data->TIME, ticks,
&td_ptr->TIMEOUT);
} else if (flags & LWMSGQ_TIMEOUT_UNTIL){
td_ptr->TIMEOUT = *tick_ptr;
} else {
PSP_ADD_TICKS(tick_ptr, &kernel_data->TIME, &td_ptr->TIMEOUT);
} /* Endif */
_time_delay_internal(td_ptr);
if (td_ptr->INFO != 0) {
_int_enable();
/* Start CR 1944 */
_KLOGX2(KLOG_lwmsgq_receive, LWMSGQ_TIMEOUT);
/* End CR 1944 */
return LWMSGQ_TIMEOUT;
} /* Endif */
} else {
_sched_execute_scheduler_internal(); /* Let other tasks run */
} /* Endif */
} /* Endwhile */
} else {
_int_enable();
/* Start CR 1944 */
_KLOGX2(KLOG_lwmsgq_receive, LWMSGQ_EMPTY);
/* End CR 1944 */
return LWMSGQ_EMPTY;
} /* Endif */
}/* Endif */
from_ptr = q_ptr->MSG_READ_LOC;
to_ptr = message;
i = q_ptr->MSG_SIZE+1;
while (--i) {
*to_ptr++ = *from_ptr++;
} /* Endwhile */
q_ptr->MSG_READ_LOC += q_ptr->MSG_SIZE;
if (q_ptr->MSG_READ_LOC >= q_ptr->MSG_END_LOC) {
q_ptr->MSG_READ_LOC = q_ptr->MSG_START_LOC;
} /* Endif */
q_ptr->CURRENT_SIZE--;
if (! _QUEUE_IS_EMPTY(&q_ptr->WAITING_WRITERS)) {
_QUEUE_DEQUEUE(&q_ptr->WAITING_WRITERS, td_ptr);
_BACKUP_POINTER(td_ptr, TD_STRUCT, AUX_QUEUE);
td_ptr->INFO = 0; /* Signal that post is activating the task */
_TASK_READY(td_ptr, kernel_data);
_CHECK_RUN_SCHEDULER(); /* Let higher priority task run */
} /* Endif */
_int_enable();
/* Start CR 1944 */
_KLOGX2(KLOG_lwmsgq_receive, MQX_OK);
/* End CR 1944 */
return MQX_OK;
}/* Endbody */
/*!
* \brief Writes data to the log.
*
* The function writes the log entry only if it returns MQX_OK.
*
* \param[in] log_number Log number of a previously created log.
* \param[in] number_of_parameters Number of parameters to write.
*
* \return MQX_OK
* \return MQX_COMPONENT_DOES_NOT_EXIST (Log component is not created.)
* \return MQX_INVALID_COMPONENT_HANDLE (Log component data is not valid.)
* \return LOG_INVALID (Log_number is out of range.)
* \return LOG_DOES_NOT_EXIST (Log_number was not created.)
* \return LOG_DISABLED (Log is disabled.)
* \return LOG_FULL (Log is full and LOG_OVERWRITE is not set.)
*/
_mqx_uint _log_write
(
_mqx_uint log_number,
_mqx_uint number_of_parameters,
...
)
{ /* Body */
MQX_TICK_STRUCT ticks;
TIME_STRUCT time;
KERNEL_DATA_STRUCT_PTR kernel_data;
LOG_COMPONENT_STRUCT_PTR log_component_ptr;
LOG_HEADER_STRUCT_PTR log_header_ptr;
_mqx_uint_ptr data_ptr;
va_list param_ptr;
_mqx_uint us;
_mqx_uint i;
_mqx_uint size;
_mqx_uint old_size;
_GET_KERNEL_DATA(kernel_data);
#if MQX_CHECK_ERRORS
if (kernel_data->KERNEL_COMPONENTS[KERNEL_LOG] == NULL)
{
return(MQX_COMPONENT_DOES_NOT_EXIST);
} /* Endif */
#endif
log_component_ptr = (LOG_COMPONENT_STRUCT_PTR)
kernel_data->KERNEL_COMPONENTS[KERNEL_LOG];
#if MQX_CHECK_VALIDITY
if (log_component_ptr->VALID != LOG_VALID)
{
return(MQX_INVALID_COMPONENT_HANDLE);
} /* Endif */
#endif
#if MQX_CHECK_ERRORS
if (log_number >= LOG_MAXIMUM_NUMBER)
{
return(LOG_INVALID);
} /* Endif */
#endif
log_header_ptr = log_component_ptr->LOGS[log_number];
#if MQX_CHECK_ERRORS
if (log_header_ptr == NULL)
{
return(LOG_DOES_NOT_EXIST);
} /* Endif */
#endif
if (! (log_header_ptr->FLAGS & LOG_ENABLED))
{
return(LOG_DISABLED);
} /* Endif */
size = sizeof(LOG_ENTRY_STRUCT)/sizeof(_mqx_uint) + number_of_parameters;
#if MQX_CHECK_ERRORS
if (size > log_header_ptr->MAX)
{
/*
* The request is to log an entry larger than the
* entire log. Reject this.
*/
return(LOG_FULL);
} /* Endif */
#endif
va_start(param_ptr, number_of_parameters);
i = number_of_parameters + 1;
_INT_DISABLE();
if ((log_header_ptr->SIZE + size) > log_header_ptr->MAX)
{
if (log_header_ptr->FLAGS & LOG_OVERWRITE)
{
/* Remove leading elements until it can fit */
while ((log_header_ptr->SIZE + size) > log_header_ptr->MAX)
{
data_ptr = log_header_ptr->LOG_READ;
old_size = *data_ptr;
log_header_ptr->SIZE -= old_size;
data_ptr += old_size;
if (data_ptr >= log_header_ptr->LOG_END)
{
data_ptr = log_header_ptr->LOG_START +
(data_ptr - log_header_ptr->LOG_END);
} /* Endif */
if (log_header_ptr->LOG_NEXT == log_header_ptr->LOG_READ)
{
/* Move up the next read pointer */
log_header_ptr->LOG_NEXT = data_ptr;
} /* Endif */
log_header_ptr->LOG_READ = data_ptr;
} /* Endwhile */
}
else
{
_INT_ENABLE();
va_end(param_ptr);
return(LOG_FULL);
} /* Endif */
} /* Endif */
log_header_ptr->SIZE += size;
data_ptr = log_header_ptr->LOG_WRITE;
log_header_ptr->LAST_LOG = data_ptr;
*data_ptr++ = size;
if (data_ptr == log_header_ptr->LOG_END)
{
data_ptr = log_header_ptr->LOG_START;
} /* Endif */
*data_ptr++ = log_header_ptr->NUMBER++;
if (data_ptr == log_header_ptr->LOG_END)
{
data_ptr = log_header_ptr->LOG_START;
} /* Endif */
us = (_mqx_uint)_time_get_microseconds();
PSP_ADD_TICKS(&kernel_data->TIME, &kernel_data->TIME_OFFSET, &ticks);
PSP_TICKS_TO_TIME(&ticks, &time);
#if MQX_INT_SIZE_IN_BITS >= 32
*data_ptr++ = (_mqx_uint)time.SECONDS;
#else
#if PSP_ENDIAN == MQX_BIG_ENDIAN
*data_ptr++ = (_mqx_uint)((time.SECONDS >> MQX_INT_SIZE_IN_BITS) &
MAX_MQX_UINT);
if (data_ptr == log_header_ptr->LOG_END)
{
data_ptr = log_header_ptr->LOG_START;
} /* Endif */
*data_ptr++ = (_mqx_uint)(time.SECONDS & MAX_MQX_UINT);
#else
*data_ptr++ = (_mqx_uint)(time.SECONDS & MAX_MQX_UINT);
if (data_ptr == log_header_ptr->LOG_END)
{
data_ptr = log_header_ptr->LOG_START;
} /* Endif */
*data_ptr++ = (_mqx_uint)((time.SECONDS >> MQX_INT_SIZE_IN_BITS) &
MAX_MQX_UINT);
#endif
#endif
if (data_ptr >= log_header_ptr->LOG_END)
{
data_ptr = log_header_ptr->LOG_START;
} /* Endif */
#if PSP_MEMORY_ADDRESSING_CAPABILITY >= 32
*data_ptr++ = time.MILLISECONDS;
if (data_ptr == log_header_ptr->LOG_END)
{
data_ptr = log_header_ptr->LOG_START;
} /* Endif */
*data_ptr++ = us;
#elif MQX_INT_SIZE_IN_BITS == 32
#if PSP_ENDIAN == MQX_LITTLE_ENDIAN
*data_ptr++ = time.MILLISECONDS | (us << 16);
#else
*data_ptr++ = us | (time.MILLISECONDS << 16);
#endif
#else
*data_ptr++ = (_mqx_uint)time.MILLISECONDS;
if (data_ptr == log_header_ptr->LOG_END)
{
data_ptr = log_header_ptr->LOG_START;
} /* Endif */
*data_ptr++ = us;
#endif
if (data_ptr >= log_header_ptr->LOG_END)
{
data_ptr = log_header_ptr->LOG_START;
} /* Endif */
while (--i)
{
*data_ptr++ = (_mqx_uint)va_arg(param_ptr, _mqx_uint);
if (data_ptr == log_header_ptr->LOG_END)
{
data_ptr = log_header_ptr->LOG_START;
} /* Endif */
} /* Endwhile */
log_header_ptr->LOG_WRITE = data_ptr;
_INT_ENABLE();
va_end(param_ptr);
return(MQX_OK);
} /* Endbody */
boolean _time_xdate_to_ticks
(
/* [IN] pointer to date and time structure */
MQX_XDATE_STRUCT_PTR xdate_ptr,
/* [OUT] pointer to structure where num of ticks is to be written */
MQX_TICK_STRUCT_PTR tick_ptr
)
{ /* Body */
uint_32 time;
_mqx_uint tmp;
MQX_TICK_STRUCT t2;
KERNEL_DATA_STRUCT_PTR kernel_data;
#if MQX_CHECK_ERRORS
if ((xdate_ptr == NULL) || (tick_ptr == NULL)) {
return FALSE;
} /* Endif */
#endif
if (!_time_normalize_xdate(xdate_ptr)) {
return FALSE;
} /* Endif */
/*
** Determine the number of days since Jan 1, 1970 at 00:00:00
*/
time = _time_days_before_year_internal[(xdate_ptr->YEAR -
(uint_16)XCLK_FIRST_YEAR)];
tmp = (_mqx_uint)_time_check_if_leap(xdate_ptr->YEAR);
/*
** Add the number of days since 0000 hours, Jan 1, to the first
** day of month.
*/
time += _time_days_before_month_internal[tmp][xdate_ptr->MONTH-1];
/*
** Add the number of days since the beginning of the
** month
*/
time += (uint_32)(xdate_ptr->MDAY - 1);
/* Convert everything so far into hours */
time = time * HOURS_IN_DAY + xdate_ptr->HOUR;
/* Convert to seconds */
tick_ptr->HW_TICKS = 0;
t2 = _mqx_zero_tick_struct;
PSP_ADD_TICKS_TO_TICK_STRUCT(&t2, SECS_IN_HOUR, &t2);
PSP_MULTIPLY_TICKS_BY_UINT_32(&t2, time, tick_ptr);
/* Add in seconds and minutes from XDATE struct */
tmp = xdate_ptr->SEC + xdate_ptr->MIN * SECS_IN_MINUTE;
PSP_ADD_TICKS_TO_TICK_STRUCT(tick_ptr, tmp, tick_ptr);
/* Convert everything into ticks */
_GET_KERNEL_DATA(kernel_data);
time = (uint_32)kernel_data->TICKS_PER_SECOND;
PSP_MULTIPLY_TICKS_BY_UINT_32(tick_ptr, time, tick_ptr);
if (xdate_ptr->MSEC) {
PSP_MILLISECONDS_TO_TICKS(xdate_ptr->MSEC, &t2);
PSP_ADD_TICKS(tick_ptr, &t2, tick_ptr);
} /* Endif */
if (xdate_ptr->USEC) {
PSP_MICROSECONDS_TO_TICKS(xdate_ptr->USEC, &t2);
PSP_ADD_TICKS(tick_ptr, &t2, tick_ptr);
} /* Endif */
if (xdate_ptr->NSEC) {
PSP_NANOSECONDS_TO_TICKS(xdate_ptr->NSEC, &t2);
PSP_ADD_TICKS(tick_ptr, &t2, tick_ptr);
} /* Endif */
if (xdate_ptr->PSEC) {
PSP_PICOSECONDS_TO_TICKS(xdate_ptr->PSEC, &t2);
PSP_ADD_TICKS(tick_ptr, &t2, tick_ptr);
} /* Endif */
return TRUE;
} /* Endbody */