fsw_processing.c
708 lines
| 23.6 KiB
| text/x-c
|
CLexer
|
r126 | /** Functions related to data processing. | |
* | |||
* @file | |||
* @author P. LEROY | |||
* | |||
* These function are related to data processing, i.e. spectral matrices averaging and basic parameters computation. | |||
* | |||
*/ | |||
#include "fsw_processing.h" | |||
#include "fsw_processing_globals.c" | |||
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r197 | #include "fsw_init.h" | |
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r126 | ||
unsigned int nb_sm_f0; | |||
unsigned int nb_sm_f0_aux_f1; | |||
unsigned int nb_sm_f1; | |||
unsigned int nb_sm_f0_aux_f2; | |||
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r259 | typedef enum restartState_t | |
{ | |||
WAIT_FOR_F2, | |||
WAIT_FOR_F1, | |||
WAIT_FOR_F0 | |||
} restartState; | |||
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r126 | //************************ | |
// spectral matrices rings | |||
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r173 | ring_node sm_ring_f0[ NB_RING_NODES_SM_F0 ]; | |
ring_node sm_ring_f1[ NB_RING_NODES_SM_F1 ]; | |||
ring_node sm_ring_f2[ NB_RING_NODES_SM_F2 ]; | |||
ring_node *current_ring_node_sm_f0; | |||
ring_node *current_ring_node_sm_f1; | |||
ring_node *current_ring_node_sm_f2; | |||
ring_node *ring_node_for_averaging_sm_f0; | |||
ring_node *ring_node_for_averaging_sm_f1; | |||
ring_node *ring_node_for_averaging_sm_f2; | |||
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r126 | ||
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r179 | // | |
ring_node * getRingNodeForAveraging( unsigned char frequencyChannel) | |||
{ | |||
ring_node *node; | |||
node = NULL; | |||
switch ( frequencyChannel ) { | |||
case 0: | |||
node = ring_node_for_averaging_sm_f0; | |||
break; | |||
case 1: | |||
node = ring_node_for_averaging_sm_f1; | |||
break; | |||
case 2: | |||
node = ring_node_for_averaging_sm_f2; | |||
break; | |||
default: | |||
break; | |||
} | |||
return node; | |||
} | |||
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r126 | //*********************************************************** | |
// Interrupt Service Routine for spectral matrices processing | |||
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r182 | void spectral_matrices_isr_f0( unsigned char statusReg ) | |
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r126 | { | |
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r139 | unsigned char status; | |
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r179 | rtems_status_code status_code; | |
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r180 | ring_node *full_ring_node; | |
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r139 | ||
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r182 | status = statusReg & 0x03; // [0011] get the status_ready_matrix_f0_x bits | |
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r147 | ||
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r139 | switch(status) | |
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r135 | { | |
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r139 | case 0: | |
break; | |||
case 3: | |||
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r179 | // UNEXPECTED VALUE | |
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r149 | spectral_matrix_regs->status = 0x03; // [0011] | |
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r179 | status_code = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_11 ); | |
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r139 | break; | |
case 1: | |||
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r180 | full_ring_node = current_ring_node_sm_f0->previous; | |
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r181 | full_ring_node->coarseTime = spectral_matrix_regs->f0_0_coarse_time; | |
full_ring_node->fineTime = spectral_matrix_regs->f0_0_fine_time; | |||
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r139 | current_ring_node_sm_f0 = current_ring_node_sm_f0->next; | |
spectral_matrix_regs->f0_0_address = current_ring_node_sm_f0->buffer_address; | |||
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r179 | // if there are enough ring nodes ready, wake up an AVFx task | |
nb_sm_f0 = nb_sm_f0 + 1; | |||
if (nb_sm_f0 == NB_SM_BEFORE_AVF0) | |||
{ | |||
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r180 | ring_node_for_averaging_sm_f0 = full_ring_node; | |
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r179 | if (rtems_event_send( Task_id[TASKID_AVF0], RTEMS_EVENT_0 ) != RTEMS_SUCCESSFUL) | |
{ | |||
status_code = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_3 ); | |||
} | |||
nb_sm_f0 = 0; | |||
} | |||
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r180 | spectral_matrix_regs->status = 0x01; // [0000 0001] | |
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r139 | break; | |
case 2: | |||
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r180 | full_ring_node = current_ring_node_sm_f0->previous; | |
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r181 | full_ring_node->coarseTime = spectral_matrix_regs->f0_1_coarse_time; | |
full_ring_node->fineTime = spectral_matrix_regs->f0_1_fine_time; | |||
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r139 | current_ring_node_sm_f0 = current_ring_node_sm_f0->next; | |
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r180 | spectral_matrix_regs->f0_1_address = current_ring_node_sm_f0->buffer_address; | |
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r179 | // if there are enough ring nodes ready, wake up an AVFx task | |
nb_sm_f0 = nb_sm_f0 + 1; | |||
if (nb_sm_f0 == NB_SM_BEFORE_AVF0) | |||
{ | |||
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r180 | ring_node_for_averaging_sm_f0 = full_ring_node; | |
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r179 | if (rtems_event_send( Task_id[TASKID_AVF0], RTEMS_EVENT_0 ) != RTEMS_SUCCESSFUL) | |
{ | |||
status_code = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_3 ); | |||
} | |||
nb_sm_f0 = 0; | |||
} | |||
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r180 | spectral_matrix_regs->status = 0x02; // [0000 0010] | |
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r147 | break; | |
} | |||
} | |||
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r182 | void spectral_matrices_isr_f1( unsigned char statusReg ) | |
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r147 | { | |
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r179 | rtems_status_code status_code; | |
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r147 | unsigned char status; | |
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r180 | ring_node *full_ring_node; | |
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r147 | ||
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r259 | status = (statusReg & 0x0c) >> 2; // [1100] get the status_ready_matrix_f1_x bits | |
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r147 | ||
switch(status) | |||
{ | |||
case 0: | |||
break; | |||
case 3: | |||
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r150 | // UNEXPECTED VALUE | |
spectral_matrix_regs->status = 0xc0; // [1100] | |||
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r166 | status_code = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_11 ); | |
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r147 | break; | |
case 1: | |||
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r180 | full_ring_node = current_ring_node_sm_f1->previous; | |
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r181 | full_ring_node->coarseTime = spectral_matrix_regs->f1_0_coarse_time; | |
full_ring_node->fineTime = spectral_matrix_regs->f1_0_fine_time; | |||
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r147 | current_ring_node_sm_f1 = current_ring_node_sm_f1->next; | |
spectral_matrix_regs->f1_0_address = current_ring_node_sm_f1->buffer_address; | |||
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r179 | // if there are enough ring nodes ready, wake up an AVFx task | |
nb_sm_f1 = nb_sm_f1 + 1; | |||
if (nb_sm_f1 == NB_SM_BEFORE_AVF1) | |||
{ | |||
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r180 | ring_node_for_averaging_sm_f1 = full_ring_node; | |
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r179 | if (rtems_event_send( Task_id[TASKID_AVF1], RTEMS_EVENT_0 ) != RTEMS_SUCCESSFUL) | |
{ | |||
status_code = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_3 ); | |||
} | |||
nb_sm_f1 = 0; | |||
} | |||
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r180 | spectral_matrix_regs->status = 0x04; // [0000 0100] | |
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r147 | break; | |
case 2: | |||
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r180 | full_ring_node = current_ring_node_sm_f1->previous; | |
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r181 | full_ring_node->coarseTime = spectral_matrix_regs->f1_1_coarse_time; | |
full_ring_node->fineTime = spectral_matrix_regs->f1_1_fine_time; | |||
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r147 | current_ring_node_sm_f1 = current_ring_node_sm_f1->next; | |
spectral_matrix_regs->f1_1_address = current_ring_node_sm_f1->buffer_address; | |||
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r179 | // if there are enough ring nodes ready, wake up an AVFx task | |
nb_sm_f1 = nb_sm_f1 + 1; | |||
if (nb_sm_f1 == NB_SM_BEFORE_AVF1) | |||
{ | |||
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r180 | ring_node_for_averaging_sm_f1 = full_ring_node; | |
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r179 | if (rtems_event_send( Task_id[TASKID_AVF1], RTEMS_EVENT_0 ) != RTEMS_SUCCESSFUL) | |
{ | |||
status_code = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_3 ); | |||
} | |||
nb_sm_f1 = 0; | |||
} | |||
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r180 | spectral_matrix_regs->status = 0x08; // [1000 0000] | |
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r147 | break; | |
} | |||
} | |||
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r182 | void spectral_matrices_isr_f2( unsigned char statusReg ) | |
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r147 | { | |
unsigned char status; | |||
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r166 | rtems_status_code status_code; | |
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r147 | ||
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r259 | status = (statusReg & 0x30) >> 4; // [0011 0000] get the status_ready_matrix_f2_x bits | |
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r147 | ||
switch(status) | |||
{ | |||
case 0: | |||
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r149 | break; | |
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r147 | case 3: | |
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r150 | // UNEXPECTED VALUE | |
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r149 | spectral_matrix_regs->status = 0x30; // [0011 0000] | |
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r166 | status_code = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_11 ); | |
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r147 | break; | |
case 1: | |||
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r179 | ring_node_for_averaging_sm_f2 = current_ring_node_sm_f2->previous; | |
current_ring_node_sm_f2 = current_ring_node_sm_f2->next; | |||
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r150 | ring_node_for_averaging_sm_f2->coarseTime = spectral_matrix_regs->f2_0_coarse_time; | |
ring_node_for_averaging_sm_f2->fineTime = spectral_matrix_regs->f2_0_fine_time; | |||
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r147 | spectral_matrix_regs->f2_0_address = current_ring_node_sm_f2->buffer_address; | |
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r149 | spectral_matrix_regs->status = 0x10; // [0001 0000] | |
if (rtems_event_send( Task_id[TASKID_AVF2], RTEMS_EVENT_0 ) != RTEMS_SUCCESSFUL) | |||
{ | |||
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r166 | status_code = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_3 ); | |
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r149 | } | |
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r147 | break; | |
case 2: | |||
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r179 | ring_node_for_averaging_sm_f2 = current_ring_node_sm_f2->previous; | |
current_ring_node_sm_f2 = current_ring_node_sm_f2->next; | |||
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r150 | ring_node_for_averaging_sm_f2->coarseTime = spectral_matrix_regs->f2_1_coarse_time; | |
ring_node_for_averaging_sm_f2->fineTime = spectral_matrix_regs->f2_1_fine_time; | |||
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r147 | spectral_matrix_regs->f2_1_address = current_ring_node_sm_f2->buffer_address; | |
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r149 | spectral_matrix_regs->status = 0x20; // [0010 0000] | |
if (rtems_event_send( Task_id[TASKID_AVF2], RTEMS_EVENT_0 ) != RTEMS_SUCCESSFUL) | |||
{ | |||
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r166 | status_code = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_3 ); | |
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r149 | } | |
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r139 | break; | |
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r135 | } | |
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r147 | } | |
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r182 | void spectral_matrix_isr_error_handler( unsigned char statusReg ) | |
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r147 | { | |
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r179 | rtems_status_code status_code; | |
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r166 | ||
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r182 | if (statusReg & 0x7c0) // [0111 1100 0000] | |
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r179 | { | |
status_code = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_8 ); | |||
} | |||
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r174 | ||
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r179 | spectral_matrix_regs->status = spectral_matrix_regs->status & 0x7c0; | |
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r147 | } | |
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r126 | ||
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r147 | rtems_isr spectral_matrices_isr( rtems_vector_number vector ) | |
{ | |||
// STATUS REGISTER | |||
// input_fifo_write(2) *** input_fifo_write(1) *** input_fifo_write(0) | |||
// 10 9 8 | |||
// buffer_full ** bad_component_err ** f2_1 ** f2_0 ** f1_1 ** f1_0 ** f0_1 ** f0_0 | |||
// 7 6 5 4 3 2 1 0 | |||
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r135 | ||
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r182 | unsigned char statusReg; | |
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r147 | ||
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r259 | static restartState state = WAIT_FOR_F2; | |
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r182 | statusReg = spectral_matrix_regs->status; | |
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r259 | if (thisIsAnASMRestart == 0) | |
{ // this is not a restart sequence, process incoming matrices normally | |||
spectral_matrices_isr_f0( statusReg ); | |||
spectral_matrices_isr_f1( statusReg ); | |||
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r135 | ||
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r259 | spectral_matrices_isr_f2( statusReg ); | |
} | |||
else | |||
{ // a restart sequence has to be launched | |||
switch (state) { | |||
case WAIT_FOR_F2: | |||
if ((statusReg & 0x30) != 0x00) // [0011 0000] check the status_ready_matrix_f2_x bits | |||
{ | |||
state = WAIT_FOR_F1; | |||
} | |||
break; | |||
case WAIT_FOR_F1: | |||
if ((statusReg & 0x0c) != 0x00) // [0000 1100] check the status_ready_matrix_f1_x bits | |||
{ | |||
state = WAIT_FOR_F0; | |||
} | |||
break; | |||
case WAIT_FOR_F0: | |||
if ((statusReg & 0x03) != 0x00) // [0000 0011] check the status_ready_matrix_f0_x bits | |||
{ | |||
state = WAIT_FOR_F2; | |||
thisIsAnASMRestart = 0; | |||
} | |||
break; | |||
default: | |||
break; | |||
} | |||
reset_sm_status(); | |||
} | |||
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r182 | ||
spectral_matrix_isr_error_handler( statusReg ); | |||
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r259 | ||
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r126 | } | |
//****************** | |||
// Spectral Matrices | |||
void reset_nb_sm( void ) | |||
{ | |||
nb_sm_f0 = 0; | |||
nb_sm_f0_aux_f1 = 0; | |||
nb_sm_f0_aux_f2 = 0; | |||
nb_sm_f1 = 0; | |||
} | |||
void SM_init_rings( void ) | |||
{ | |||
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r173 | init_ring( sm_ring_f0, NB_RING_NODES_SM_F0, sm_f0, TOTAL_SIZE_SM ); | |
init_ring( sm_ring_f1, NB_RING_NODES_SM_F1, sm_f1, TOTAL_SIZE_SM ); | |||
init_ring( sm_ring_f2, NB_RING_NODES_SM_F2, sm_f2, TOTAL_SIZE_SM ); | |||
DEBUG_PRINTF1("sm_ring_f0 @%x\n", (unsigned int) sm_ring_f0) | |||
DEBUG_PRINTF1("sm_ring_f1 @%x\n", (unsigned int) sm_ring_f1) | |||
DEBUG_PRINTF1("sm_ring_f2 @%x\n", (unsigned int) sm_ring_f2) | |||
DEBUG_PRINTF1("sm_f0 @%x\n", (unsigned int) sm_f0) | |||
DEBUG_PRINTF1("sm_f1 @%x\n", (unsigned int) sm_f1) | |||
DEBUG_PRINTF1("sm_f2 @%x\n", (unsigned int) sm_f2) | |||
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r126 | } | |
void ASM_generic_init_ring( ring_node_asm *ring, unsigned char nbNodes ) | |||
{ | |||
unsigned char i; | |||
ring[ nbNodes - 1 ].next | |||
= (ring_node_asm*) &ring[ 0 ]; | |||
for(i=0; i<nbNodes-1; i++) | |||
{ | |||
ring[ i ].next = (ring_node_asm*) &ring[ i + 1 ]; | |||
} | |||
} | |||
void SM_reset_current_ring_nodes( void ) | |||
{ | |||
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r139 | current_ring_node_sm_f0 = sm_ring_f0[0].next; | |
current_ring_node_sm_f1 = sm_ring_f1[0].next; | |||
current_ring_node_sm_f2 = sm_ring_f2[0].next; | |||
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r126 | ||
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r180 | ring_node_for_averaging_sm_f0 = NULL; | |
ring_node_for_averaging_sm_f1 = NULL; | |||
ring_node_for_averaging_sm_f2 = NULL; | |||
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r126 | } | |
//***************** | |||
// Basic Parameters | |||
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r181 | void BP_init_header( bp_packet *packet, | |
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r126 | unsigned int apid, unsigned char sid, | |
unsigned int packetLength, unsigned char blkNr ) | |||
{ | |||
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r181 | packet->targetLogicalAddress = CCSDS_DESTINATION_ID; | |
packet->protocolIdentifier = CCSDS_PROTOCOLE_ID; | |||
packet->reserved = 0x00; | |||
packet->userApplication = CCSDS_USER_APP; | |||
packet->packetID[0] = (unsigned char) (apid >> 8); | |||
packet->packetID[1] = (unsigned char) (apid); | |||
packet->packetSequenceControl[0] = TM_PACKET_SEQ_CTRL_STANDALONE; | |||
packet->packetSequenceControl[1] = 0x00; | |||
packet->packetLength[0] = (unsigned char) (packetLength >> 8); | |||
packet->packetLength[1] = (unsigned char) (packetLength); | |||
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r126 | // DATA FIELD HEADER | |
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r181 | packet->spare1_pusVersion_spare2 = 0x10; | |
packet->serviceType = TM_TYPE_LFR_SCIENCE; // service type | |||
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r192 | packet->serviceSubType = TM_SUBTYPE_LFR_SCIENCE_3; // service subtype | |
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r181 | packet->destinationID = TM_DESTINATION_ID_GROUND; | |
packet->time[0] = 0x00; | |||
packet->time[1] = 0x00; | |||
packet->time[2] = 0x00; | |||
packet->time[3] = 0x00; | |||
packet->time[4] = 0x00; | |||
packet->time[5] = 0x00; | |||
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r126 | // AUXILIARY DATA HEADER | |
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r181 | packet->sid = sid; | |
packet->biaStatusInfo = 0x00; | |||
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r200 | packet->sy_lfr_common_parameters_spare = 0x00; | |
packet->sy_lfr_common_parameters = 0x00; | |||
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r181 | packet->acquisitionTime[0] = 0x00; | |
packet->acquisitionTime[1] = 0x00; | |||
packet->acquisitionTime[2] = 0x00; | |||
packet->acquisitionTime[3] = 0x00; | |||
packet->acquisitionTime[4] = 0x00; | |||
packet->acquisitionTime[5] = 0x00; | |||
packet->pa_lfr_bp_blk_nr[0] = 0x00; // BLK_NR MSB | |||
packet->pa_lfr_bp_blk_nr[1] = blkNr; // BLK_NR LSB | |||
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r126 | } | |
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r181 | void BP_init_header_with_spare( bp_packet_with_spare *packet, | |
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r126 | unsigned int apid, unsigned char sid, | |
unsigned int packetLength , unsigned char blkNr) | |||
{ | |||
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r181 | packet->targetLogicalAddress = CCSDS_DESTINATION_ID; | |
packet->protocolIdentifier = CCSDS_PROTOCOLE_ID; | |||
packet->reserved = 0x00; | |||
packet->userApplication = CCSDS_USER_APP; | |||
packet->packetID[0] = (unsigned char) (apid >> 8); | |||
packet->packetID[1] = (unsigned char) (apid); | |||
packet->packetSequenceControl[0] = TM_PACKET_SEQ_CTRL_STANDALONE; | |||
packet->packetSequenceControl[1] = 0x00; | |||
packet->packetLength[0] = (unsigned char) (packetLength >> 8); | |||
packet->packetLength[1] = (unsigned char) (packetLength); | |||
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r126 | // DATA FIELD HEADER | |
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r181 | packet->spare1_pusVersion_spare2 = 0x10; | |
packet->serviceType = TM_TYPE_LFR_SCIENCE; // service type | |||
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r192 | packet->serviceSubType = TM_SUBTYPE_LFR_SCIENCE_3; // service subtype | |
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r181 | packet->destinationID = TM_DESTINATION_ID_GROUND; | |
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r126 | // AUXILIARY DATA HEADER | |
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r181 | packet->sid = sid; | |
packet->biaStatusInfo = 0x00; | |||
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r200 | packet->sy_lfr_common_parameters_spare = 0x00; | |
packet->sy_lfr_common_parameters = 0x00; | |||
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r181 | packet->time[0] = 0x00; | |
packet->time[0] = 0x00; | |||
packet->time[0] = 0x00; | |||
packet->time[0] = 0x00; | |||
packet->time[0] = 0x00; | |||
packet->time[0] = 0x00; | |||
packet->source_data_spare = 0x00; | |||
packet->pa_lfr_bp_blk_nr[0] = 0x00; // BLK_NR MSB | |||
packet->pa_lfr_bp_blk_nr[1] = blkNr; // BLK_NR LSB | |||
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r126 | } | |
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r133 | void BP_send(char *data, rtems_id queue_id, unsigned int nbBytesToSend, unsigned int sid ) | |
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r126 | { | |
rtems_status_code status; | |||
// SEND PACKET | |||
status = rtems_message_queue_send( queue_id, data, nbBytesToSend); | |||
if (status != RTEMS_SUCCESSFUL) | |||
{ | |||
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r227 | PRINTF1("ERR *** in BP_send *** ERR %d\n", (int) status) | |
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r126 | } | |
} | |||
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r243 | void BP_send_s1_s2(char *data, rtems_id queue_id, unsigned int nbBytesToSend, unsigned int sid ) | |
{ | |||
/** This function is used to send the BP paquets when needed. | |||
* | |||
* @param transitionCoarseTime is the requested transition time contained in the TC_LFR_ENTER_MODE | |||
* | |||
* @return void | |||
* | |||
* SBM1 and SBM2 paquets are sent depending on the type of the LFR mode transition. | |||
* BURST paquets are sent everytime. | |||
* | |||
*/ | |||
rtems_status_code status; | |||
// SEND PACKET | |||
// before lastValidTransitionDate, the data are drops even if they are ready | |||
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r259 | // this guarantees that no SBM packets will be received before the requested enter mode time | |
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r243 | if ( time_management_regs->coarse_time >= lastValidEnterModeTime) | |
{ | |||
status = rtems_message_queue_send( queue_id, data, nbBytesToSend); | |||
if (status != RTEMS_SUCCESSFUL) | |||
{ | |||
PRINTF1("ERR *** in BP_send *** ERR %d\n", (int) status) | |||
} | |||
} | |||
} | |||
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r126 | //****************** | |
// general functions | |||
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r171 | void reset_sm_status( void ) | |
{ | |||
// error | |||
// 10 --------------- 9 ---------------- 8 ---------------- 7 --------- | |||
// input_fif0_write_2 input_fifo_write_1 input_fifo_write_0 buffer_full | |||
// ---------- 5 -- 4 -- 3 -- 2 -- 1 -- 0 -- | |||
// ready bits f2_1 f2_0 f1_1 f1_1 f0_1 f0_0 | |||
spectral_matrix_regs->status = 0x7ff; // [0111 1111 1111] | |||
} | |||
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r126 | void reset_spectral_matrix_regs( void ) | |
{ | |||
/** This function resets the spectral matrices module registers. | |||
* | |||
* The registers affected by this function are located at the following offset addresses: | |||
* | |||
* - 0x00 config | |||
* - 0x04 status | |||
* - 0x08 matrixF0_Address0 | |||
* - 0x10 matrixFO_Address1 | |||
* - 0x14 matrixF1_Address | |||
* - 0x18 matrixF2_Address | |||
* | |||
*/ | |||
|
r171 | set_sm_irq_onError( 0 ); | |
set_sm_irq_onNewMatrix( 0 ); | |||
reset_sm_status(); | |||
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r126 | ||
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r179 | // F1 | |
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r139 | spectral_matrix_regs->f0_0_address = current_ring_node_sm_f0->previous->buffer_address; | |
spectral_matrix_regs->f0_1_address = current_ring_node_sm_f0->buffer_address; | |||
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r179 | // F2 | |
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r139 | spectral_matrix_regs->f1_0_address = current_ring_node_sm_f1->previous->buffer_address; | |
spectral_matrix_regs->f1_1_address = current_ring_node_sm_f1->buffer_address; | |||
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r179 | // F3 | |
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r139 | spectral_matrix_regs->f2_0_address = current_ring_node_sm_f2->previous->buffer_address; | |
spectral_matrix_regs->f2_1_address = current_ring_node_sm_f2->buffer_address; | |||
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r170 | ||
spectral_matrix_regs->matrix_length = 0xc8; // 25 * 128 / 16 = 200 = 0xc8 | |||
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r126 | } | |
void set_time( unsigned char *time, unsigned char * timeInBuffer ) | |||
{ | |||
time[0] = timeInBuffer[0]; | |||
time[1] = timeInBuffer[1]; | |||
time[2] = timeInBuffer[2]; | |||
time[3] = timeInBuffer[3]; | |||
time[4] = timeInBuffer[6]; | |||
time[5] = timeInBuffer[7]; | |||
} | |||
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r139 | ||
unsigned long long int get_acquisition_time( unsigned char *timePtr ) | |||
{ | |||
unsigned long long int acquisitionTimeAslong; | |||
acquisitionTimeAslong = 0x00; | |||
acquisitionTimeAslong = ( (unsigned long long int) (timePtr[0] & 0x7f) << 40 ) // [0111 1111] mask the synchronization bit | |||
+ ( (unsigned long long int) timePtr[1] << 32 ) | |||
|
r164 | + ( (unsigned long long int) timePtr[2] << 24 ) | |
+ ( (unsigned long long int) timePtr[3] << 16 ) | |||
+ ( (unsigned long long int) timePtr[6] << 8 ) | |||
+ ( (unsigned long long int) timePtr[7] ); | |||
|