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wf_handler.c
1323 lines | 53.3 KiB | text/x-c | CLexer
/** Functions and tasks related to waveform packet generation.
*
* @file
* @author P. LEROY
*
* A group of functions to handle waveforms, in snapshot or continuous format.\n
*
*/
#include "wf_handler.h"
//*****************
// waveform headers
// SWF
Header_TM_LFR_SCIENCE_SWF_t headerSWF_F0[7];
Header_TM_LFR_SCIENCE_SWF_t headerSWF_F1[7];
Header_TM_LFR_SCIENCE_SWF_t headerSWF_F2[7];
// CWF
Header_TM_LFR_SCIENCE_CWF_t headerCWF_F1[ NB_PACKETS_PER_GROUP_OF_CWF ];
Header_TM_LFR_SCIENCE_CWF_t headerCWF_F2_BURST[ NB_PACKETS_PER_GROUP_OF_CWF ];
Header_TM_LFR_SCIENCE_CWF_t headerCWF_F2_SBM2[ NB_PACKETS_PER_GROUP_OF_CWF ];
Header_TM_LFR_SCIENCE_CWF_t headerCWF_F3[ NB_PACKETS_PER_GROUP_OF_CWF ];
Header_TM_LFR_SCIENCE_CWF_t headerCWF_F3_light[ NB_PACKETS_PER_GROUP_OF_CWF_LIGHT ];
//**************
// waveform ring
ring_node waveform_ring_f0[NB_RING_NODES_F0];
ring_node waveform_ring_f1[NB_RING_NODES_F1];
ring_node waveform_ring_f2[NB_RING_NODES_F2];
ring_node waveform_ring_f3[NB_RING_NODES_F3];
ring_node *current_ring_node_f0;
ring_node *ring_node_to_send_swf_f0;
ring_node *current_ring_node_f1;
ring_node *ring_node_to_send_swf_f1;
ring_node *ring_node_to_send_cwf_f1;
ring_node *current_ring_node_f2;
ring_node *ring_node_to_send_swf_f2;
ring_node *ring_node_to_send_cwf_f2;
ring_node *current_ring_node_f3;
ring_node *ring_node_to_send_cwf_f3;
bool extractSWF = false;
bool swf_f0_ready = false;
bool swf_f1_ready = false;
bool swf_f2_ready = false;
int wf_snap_extracted[ (NB_SAMPLES_PER_SNAPSHOT * NB_WORDS_SWF_BLK) + TIME_OFFSET ];
//*********************
// Interrupt SubRoutine
void reset_extractSWF( void )
{
extractSWF = false;
swf_f0_ready = false;
swf_f1_ready = false;
swf_f2_ready = false;
}
rtems_isr waveforms_isr( rtems_vector_number vector )
{
/** This is the interrupt sub routine called by the waveform picker core.
*
* This ISR launch different actions depending mainly on two pieces of information:
* 1. the values read in the registers of the waveform picker.
* 2. the current LFR mode.
*
*/
rtems_status_code status;
rtems_status_code spare_status;
if ( (lfrCurrentMode == LFR_MODE_NORMAL) || (lfrCurrentMode == LFR_MODE_BURST) // in BURST the data are used to place v, e1 and e2 in the HK packet
|| (lfrCurrentMode == LFR_MODE_SBM1) || (lfrCurrentMode == LFR_MODE_SBM2) )
{ // in modes other than STANDBY and BURST, send the CWF_F3 data
if ((waveform_picker_regs->status & 0x08) == 0x08){ // [1000] f3 is full
// (1) change the receiving buffer for the waveform picker
ring_node_to_send_cwf_f3 = current_ring_node_f3;
current_ring_node_f3 = current_ring_node_f3->next;
waveform_picker_regs->addr_data_f3 = current_ring_node_f3->buffer_address;
// (2) send an event for the waveforms transmission
if (rtems_event_send( Task_id[TASKID_CWF3], RTEMS_EVENT_0 ) != RTEMS_SUCCESSFUL) {
spare_status = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_2 );
}
rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_2);
waveform_picker_regs->status = waveform_picker_regs->status & 0xfffff777; // reset f3 bits to 0, [1111 0111 0111 0111]
}
}
switch(lfrCurrentMode)
{
//********
// STANDBY
case(LFR_MODE_STANDBY):
break;
//******
// NORMAL
case(LFR_MODE_NORMAL):
if ( (waveform_picker_regs->status & 0xff8) != 0x00) // [1000] check the error bits
{
spare_status = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_2 );
}
if ( (waveform_picker_regs->status & 0x07) == 0x07) // [0111] check the f2, f1, f0 full bits
{
// change F0 ring node
ring_node_to_send_swf_f0 = current_ring_node_f0;
current_ring_node_f0 = current_ring_node_f0->next;
waveform_picker_regs->addr_data_f0 = current_ring_node_f0->buffer_address;
// change F1 ring node
ring_node_to_send_swf_f1 = current_ring_node_f1;
current_ring_node_f1 = current_ring_node_f1->next;
waveform_picker_regs->addr_data_f1 = current_ring_node_f1->buffer_address;
// change F2 ring node
ring_node_to_send_swf_f2 = current_ring_node_f2;
current_ring_node_f2 = current_ring_node_f2->next;
waveform_picker_regs->addr_data_f2 = current_ring_node_f2->buffer_address;
//
if (rtems_event_send( Task_id[TASKID_WFRM], RTEMS_EVENT_MODE_NORMAL ) != RTEMS_SUCCESSFUL)
{
spare_status = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_2 );
}
waveform_picker_regs->status = waveform_picker_regs->status & 0xfffff888; // [1000 1000 1000]
}
break;
//******
// BURST
case(LFR_MODE_BURST):
if ( (waveform_picker_regs->status & 0x04) == 0x04 ){ // [0100] check the f2 full bit
// (1) change the receiving buffer for the waveform picker
ring_node_to_send_cwf_f2 = current_ring_node_f2;
current_ring_node_f2 = current_ring_node_f2->next;
waveform_picker_regs->addr_data_f2 = current_ring_node_f2->buffer_address;
// (2) send an event for the waveforms transmission
if (rtems_event_send( Task_id[TASKID_CWF2], RTEMS_EVENT_MODE_BURST ) != RTEMS_SUCCESSFUL) {
spare_status = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_2 );
}
waveform_picker_regs->status = waveform_picker_regs->status & 0xfffffbbb; // [1111 1011 1011 1011] f2 bit = 0
}
break;
//*****
// SBM1
case(LFR_MODE_SBM1):
if ( (waveform_picker_regs->status & 0x02) == 0x02 ) { // [0010] check the f1 full bit
// (1) change the receiving buffer for the waveform picker
ring_node_to_send_cwf_f1 = current_ring_node_f1;
current_ring_node_f1 = current_ring_node_f1->next;
waveform_picker_regs->addr_data_f1 = current_ring_node_f1->buffer_address;
// (2) send an event for the the CWF1 task for transmission (and snapshot extraction if needed)
status = rtems_event_send( Task_id[TASKID_CWF1], RTEMS_EVENT_MODE_SBM1 );
waveform_picker_regs->status = waveform_picker_regs->status & 0xfffffddd; // [1111 1101 1101 1101] f1 bits = 0
}
if ( (waveform_picker_regs->status & 0x01) == 0x01 ) { // [0001] check the f0 full bit
swf_f0_ready = true;
waveform_picker_regs->status = waveform_picker_regs->status & 0xfffffeee; // [1111 1110 1110 1110] f0 bits = 0
}
if ( (waveform_picker_regs->status & 0x04) == 0x04 ) { // [0100] check the f2 full bit
swf_f2_ready = true;
waveform_picker_regs->status = waveform_picker_regs->status & 0xfffffbbb; // [1111 1011 1011 1011] f2 bits = 0
}
break;
//*****
// SBM2
case(LFR_MODE_SBM2):
if ( (waveform_picker_regs->status & 0x04) == 0x04 ){ // [0100] check the f2 full bit
// (1) change the receiving buffer for the waveform picker
ring_node_to_send_cwf_f2 = current_ring_node_f2;
current_ring_node_f2 = current_ring_node_f2->next;
waveform_picker_regs->addr_data_f2 = current_ring_node_f2->buffer_address;
// (2) send an event for the waveforms transmission
status = rtems_event_send( Task_id[TASKID_CWF2], RTEMS_EVENT_MODE_SBM2 );
waveform_picker_regs->status = waveform_picker_regs->status & 0xfffffbbb; // [1111 1011 1011 1011] f2 bit = 0
}
if ( (waveform_picker_regs->status & 0x01) == 0x01 ) { // [0001] check the f0 full bit
swf_f0_ready = true;
waveform_picker_regs->status = waveform_picker_regs->status & 0xfffffeee; // [1111 1110 1110 1110] f0 bits = 0
}
if ( (waveform_picker_regs->status & 0x02) == 0x02 ) { // [0010] check the f1 full bit
swf_f1_ready = true;
waveform_picker_regs->status = waveform_picker_regs->status & 0xfffffddd; // [1111 1101 1101 1101] f1, f0 bits = 0
}
break;
//********
// DEFAULT
default:
break;
}
}
//************
// RTEMS TASKS
rtems_task wfrm_task(rtems_task_argument argument) //used with the waveform picker VHDL IP
{
/** This RTEMS task is dedicated to the transmission of snapshots of the NORMAL mode.
*
* @param unused is the starting argument of the RTEMS task
*
* The following data packets are sent by this task:
* - TM_LFR_SCIENCE_NORMAL_SWF_F0
* - TM_LFR_SCIENCE_NORMAL_SWF_F1
* - TM_LFR_SCIENCE_NORMAL_SWF_F2
*
*/
rtems_event_set event_out;
rtems_id queue_id;
rtems_status_code status;
init_header_snapshot_wf_table( SID_NORM_SWF_F0, headerSWF_F0 );
init_header_snapshot_wf_table( SID_NORM_SWF_F1, headerSWF_F1 );
init_header_snapshot_wf_table( SID_NORM_SWF_F2, headerSWF_F2 );
status = get_message_queue_id_send( &queue_id );
if (status != RTEMS_SUCCESSFUL)
{
PRINTF1("in WFRM *** ERR get_message_queue_id_send %d\n", status)
}
BOOT_PRINTF("in WFRM ***\n")
while(1){
// wait for an RTEMS_EVENT
rtems_event_receive(RTEMS_EVENT_MODE_NORMAL | RTEMS_EVENT_MODE_SBM1
| RTEMS_EVENT_MODE_SBM2 | RTEMS_EVENT_MODE_SBM2_WFRM,
RTEMS_WAIT | RTEMS_EVENT_ANY, RTEMS_NO_TIMEOUT, &event_out);
if (event_out == RTEMS_EVENT_MODE_NORMAL)
{
DEBUG_PRINTF("WFRM received RTEMS_EVENT_MODE_NORMAL\n")
send_waveform_SWF((volatile int*) ring_node_to_send_swf_f0->buffer_address, SID_NORM_SWF_F0, headerSWF_F0, queue_id);
send_waveform_SWF((volatile int*) ring_node_to_send_swf_f1->buffer_address, SID_NORM_SWF_F1, headerSWF_F1, queue_id);
send_waveform_SWF((volatile int*) ring_node_to_send_swf_f2->buffer_address, SID_NORM_SWF_F2, headerSWF_F2, queue_id);
}
if (event_out == RTEMS_EVENT_MODE_SBM1)
{
DEBUG_PRINTF("WFRM received RTEMS_EVENT_MODE_SBM1\n")
send_waveform_SWF((volatile int*) ring_node_to_send_swf_f0->buffer_address, SID_NORM_SWF_F0, headerSWF_F0, queue_id);
send_waveform_SWF((volatile int*) wf_snap_extracted , SID_NORM_SWF_F1, headerSWF_F1, queue_id);
send_waveform_SWF((volatile int*) ring_node_to_send_swf_f2->buffer_address, SID_NORM_SWF_F2, headerSWF_F2, queue_id);
}
if (event_out == RTEMS_EVENT_MODE_SBM2)
{
DEBUG_PRINTF("WFRM received RTEMS_EVENT_MODE_SBM2\n")
send_waveform_SWF((volatile int*) ring_node_to_send_swf_f0->buffer_address, SID_NORM_SWF_F0, headerSWF_F0, queue_id);
send_waveform_SWF((volatile int*) ring_node_to_send_swf_f1->buffer_address, SID_NORM_SWF_F1, headerSWF_F1, queue_id);
send_waveform_SWF((volatile int*) wf_snap_extracted , SID_NORM_SWF_F2, headerSWF_F2, queue_id);
}
}
}
rtems_task cwf3_task(rtems_task_argument argument) //used with the waveform picker VHDL IP
{
/** This RTEMS task is dedicated to the transmission of continuous waveforms at f3.
*
* @param unused is the starting argument of the RTEMS task
*
* The following data packet is sent by this task:
* - TM_LFR_SCIENCE_NORMAL_CWF_F3
*
*/
rtems_event_set event_out;
rtems_id queue_id;
rtems_status_code status;
init_header_continuous_wf_table( SID_NORM_CWF_LONG_F3, headerCWF_F3 );
init_header_continuous_cwf3_light_table( headerCWF_F3_light );
status = get_message_queue_id_send( &queue_id );
if (status != RTEMS_SUCCESSFUL)
{
PRINTF1("in CWF3 *** ERR get_message_queue_id_send %d\n", status)
}
BOOT_PRINTF("in CWF3 ***\n")
while(1){
// wait for an RTEMS_EVENT
rtems_event_receive( RTEMS_EVENT_0,
RTEMS_WAIT | RTEMS_EVENT_ANY, RTEMS_NO_TIMEOUT, &event_out);
if ( (lfrCurrentMode == LFR_MODE_NORMAL)
|| (lfrCurrentMode == LFR_MODE_SBM1) || (lfrCurrentMode==LFR_MODE_SBM2) )
{
if ( (parameter_dump_packet.sy_lfr_n_cwf_long_f3 & 0x01) == 0x01)
{
PRINTF("send CWF_LONG_F3\n")
send_waveform_CWF(
(volatile int*) ring_node_to_send_cwf_f3->buffer_address,
SID_NORM_CWF_LONG_F3, headerCWF_F3, queue_id );
}
else
{
PRINTF("send CWF_F3 (light)\n")
send_waveform_CWF3_light(
(volatile int*) ring_node_to_send_cwf_f3->buffer_address,
headerCWF_F3_light, queue_id );
}
}
else
{
PRINTF1("in CWF3 *** lfrCurrentMode is %d, no data will be sent\n", lfrCurrentMode)
}
}
}
rtems_task cwf2_task(rtems_task_argument argument) // ONLY USED IN BURST AND SBM2
{
/** This RTEMS task is dedicated to the transmission of continuous waveforms at f2.
*
* @param unused is the starting argument of the RTEMS task
*
* The following data packet is sent by this function:
* - TM_LFR_SCIENCE_BURST_CWF_F2
* - TM_LFR_SCIENCE_SBM2_CWF_F2
*
*/
rtems_event_set event_out;
rtems_id queue_id;
rtems_status_code status;
init_header_continuous_wf_table( SID_BURST_CWF_F2, headerCWF_F2_BURST );
init_header_continuous_wf_table( SID_SBM2_CWF_F2, headerCWF_F2_SBM2 );
status = get_message_queue_id_send( &queue_id );
if (status != RTEMS_SUCCESSFUL)
{
PRINTF1("in CWF2 *** ERR get_message_queue_id_send %d\n", status)
}
BOOT_PRINTF("in CWF2 ***\n")
while(1){
// wait for an RTEMS_EVENT
rtems_event_receive( RTEMS_EVENT_MODE_BURST | RTEMS_EVENT_MODE_SBM2,
RTEMS_WAIT | RTEMS_EVENT_ANY, RTEMS_NO_TIMEOUT, &event_out);
if (event_out == RTEMS_EVENT_MODE_BURST)
{
send_waveform_CWF( (volatile int *) ring_node_to_send_cwf_f2->buffer_address, SID_BURST_CWF_F2, headerCWF_F2_BURST, queue_id );
}
if (event_out == RTEMS_EVENT_MODE_SBM2)
{
send_waveform_CWF( (volatile int *) ring_node_to_send_cwf_f2->buffer_address, SID_SBM2_CWF_F2, headerCWF_F2_SBM2, queue_id );
// launch snapshot extraction if needed
if (extractSWF == true)
{
ring_node_to_send_swf_f2 = ring_node_to_send_cwf_f2;
// extract the snapshot
build_snapshot_from_ring( ring_node_to_send_swf_f2, 2 );
// send the snapshot when built
status = rtems_event_send( Task_id[TASKID_WFRM], RTEMS_EVENT_MODE_SBM2 );
extractSWF = false;
}
if (swf_f0_ready && swf_f1_ready)
{
extractSWF = true;
swf_f0_ready = false;
swf_f1_ready = false;
}
}
}
}
rtems_task cwf1_task(rtems_task_argument argument) // ONLY USED IN SBM1
{
/** This RTEMS task is dedicated to the transmission of continuous waveforms at f1.
*
* @param unused is the starting argument of the RTEMS task
*
* The following data packet is sent by this function:
* - TM_LFR_SCIENCE_SBM1_CWF_F1
*
*/
rtems_event_set event_out;
rtems_id queue_id;
rtems_status_code status;
init_header_continuous_wf_table( SID_SBM1_CWF_F1, headerCWF_F1 );
status = get_message_queue_id_send( &queue_id );
if (status != RTEMS_SUCCESSFUL)
{
PRINTF1("in CWF1 *** ERR get_message_queue_id_send %d\n", status)
}
BOOT_PRINTF("in CWF1 ***\n")
while(1){
// wait for an RTEMS_EVENT
rtems_event_receive( RTEMS_EVENT_MODE_SBM1,
RTEMS_WAIT | RTEMS_EVENT_ANY, RTEMS_NO_TIMEOUT, &event_out);
send_waveform_CWF( (volatile int*) ring_node_to_send_cwf_f1->buffer_address, SID_SBM1_CWF_F1, headerCWF_F1, queue_id );
// launch snapshot extraction if needed
if (extractSWF == true)
{
ring_node_to_send_swf_f1 = ring_node_to_send_cwf_f1;
// launch the snapshot extraction
status = rtems_event_send( Task_id[TASKID_SWBD], RTEMS_EVENT_MODE_SBM1 );
extractSWF = false;
}
if (swf_f0_ready == true)
{
extractSWF = true;
swf_f0_ready = false; // this step shall be executed only one time
}
if ((swf_f1_ready == true) && (swf_f2_ready == true)) // swf_f1 is ready after the extraction
{
status = rtems_event_send( Task_id[TASKID_WFRM], RTEMS_EVENT_MODE_SBM1 );
swf_f1_ready = false;
swf_f2_ready = false;
}
}
}
rtems_task swbd_task(rtems_task_argument argument)
{
/** This RTEMS task is dedicated to the building of snapshots from different continuous waveforms buffers.
*
* @param unused is the starting argument of the RTEMS task
*
*/
rtems_event_set event_out;
BOOT_PRINTF("in SWBD ***\n")
while(1){
// wait for an RTEMS_EVENT
rtems_event_receive( RTEMS_EVENT_MODE_SBM1 | RTEMS_EVENT_MODE_SBM2,
RTEMS_WAIT | RTEMS_EVENT_ANY, RTEMS_NO_TIMEOUT, &event_out);
if (event_out == RTEMS_EVENT_MODE_SBM1)
{
build_snapshot_from_ring( ring_node_to_send_swf_f1, 1 );
swf_f1_ready = true; // the snapshot has been extracted and is ready to be sent
}
else
{
PRINTF1("in SWBD *** unexpected rtems event received %x\n", (int) event_out)
}
}
}
//******************
// general functions
void WFP_init_rings( void )
{
// F0 RING
init_waveform_ring( waveform_ring_f0, NB_RING_NODES_F0, wf_snap_f0 );
// F1 RING
init_waveform_ring( waveform_ring_f1, NB_RING_NODES_F1, wf_snap_f1 );
// F2 RING
init_waveform_ring( waveform_ring_f2, NB_RING_NODES_F2, wf_snap_f2 );
// F3 RING
init_waveform_ring( waveform_ring_f3, NB_RING_NODES_F3, wf_cont_f3 );
DEBUG_PRINTF1("waveform_ring_f0 @%x\n", (unsigned int) waveform_ring_f0)
DEBUG_PRINTF1("waveform_ring_f1 @%x\n", (unsigned int) waveform_ring_f1)
DEBUG_PRINTF1("waveform_ring_f2 @%x\n", (unsigned int) waveform_ring_f2)
DEBUG_PRINTF1("waveform_ring_f3 @%x\n", (unsigned int) waveform_ring_f3)
}
void init_waveform_ring(ring_node waveform_ring[], unsigned char nbNodes, volatile int wfrm[] )
{
unsigned char i;
waveform_ring[0].next = (ring_node*) &waveform_ring[ 1 ];
waveform_ring[0].previous = (ring_node*) &waveform_ring[ nbNodes - 1 ];
waveform_ring[0].buffer_address = (int) &wfrm[0];
waveform_ring[nbNodes-1].next = (ring_node*) &waveform_ring[ 0 ];
waveform_ring[nbNodes-1].previous = (ring_node*) &waveform_ring[ nbNodes - 2 ];
waveform_ring[nbNodes-1].buffer_address = (int) &wfrm[ (nbNodes-1) * WFRM_BUFFER ];
for(i=1; i<nbNodes-1; i++)
{
waveform_ring[i].next = (ring_node*) &waveform_ring[ i + 1 ];
waveform_ring[i].previous = (ring_node*) &waveform_ring[ i - 1 ];
waveform_ring[i].buffer_address = (int) &wfrm[ i * WFRM_BUFFER ];
}
}
void WFP_reset_current_ring_nodes( void )
{
current_ring_node_f0 = waveform_ring_f0;
ring_node_to_send_swf_f0 = waveform_ring_f0;
current_ring_node_f1 = waveform_ring_f1;
ring_node_to_send_cwf_f1 = waveform_ring_f1;
ring_node_to_send_swf_f1 = waveform_ring_f1;
current_ring_node_f2 = waveform_ring_f2;
ring_node_to_send_cwf_f2 = waveform_ring_f2;
ring_node_to_send_swf_f2 = waveform_ring_f2;
current_ring_node_f3 = waveform_ring_f3;
ring_node_to_send_cwf_f3 = waveform_ring_f3;
}
int init_header_snapshot_wf_table( unsigned int sid, Header_TM_LFR_SCIENCE_SWF_t *headerSWF)
{
unsigned char i;
int return_value;
return_value = LFR_SUCCESSFUL;
for (i=0; i<7; i++)
{
headerSWF[ i ].targetLogicalAddress = CCSDS_DESTINATION_ID;
headerSWF[ i ].protocolIdentifier = CCSDS_PROTOCOLE_ID;
headerSWF[ i ].reserved = DEFAULT_RESERVED;
headerSWF[ i ].userApplication = CCSDS_USER_APP;
headerSWF[ i ].packetID[0] = (unsigned char) (APID_TM_SCIENCE_NORMAL_BURST >> 8);
headerSWF[ i ].packetID[1] = (unsigned char) (APID_TM_SCIENCE_NORMAL_BURST);
headerSWF[ i ].packetSequenceControl[0] = TM_PACKET_SEQ_CTRL_STANDALONE;
if (i == 6)
{
headerSWF[ i ].packetLength[0] = (unsigned char) (TM_LEN_SCI_SWF_224 >> 8);
headerSWF[ i ].packetLength[1] = (unsigned char) (TM_LEN_SCI_SWF_224 );
headerSWF[ i ].blkNr[0] = (unsigned char) (BLK_NR_224 >> 8);
headerSWF[ i ].blkNr[1] = (unsigned char) (BLK_NR_224 );
}
else
{
headerSWF[ i ].packetLength[0] = (unsigned char) (TM_LEN_SCI_SWF_304 >> 8);
headerSWF[ i ].packetLength[1] = (unsigned char) (TM_LEN_SCI_SWF_304 );
headerSWF[ i ].blkNr[0] = (unsigned char) (BLK_NR_304 >> 8);
headerSWF[ i ].blkNr[1] = (unsigned char) (BLK_NR_304 );
}
headerSWF[ i ].packetSequenceControl[1] = TM_PACKET_SEQ_CNT_DEFAULT;
headerSWF[ i ].pktCnt = DEFAULT_PKTCNT; // PKT_CNT
headerSWF[ i ].pktNr = i+1; // PKT_NR
// DATA FIELD HEADER
headerSWF[ i ].spare1_pusVersion_spare2 = DEFAULT_SPARE1_PUSVERSION_SPARE2;
headerSWF[ i ].serviceType = TM_TYPE_LFR_SCIENCE; // service type
headerSWF[ i ].serviceSubType = TM_SUBTYPE_LFR_SCIENCE; // service subtype
headerSWF[ i ].destinationID = TM_DESTINATION_ID_GROUND;
// AUXILIARY DATA HEADER
headerSWF[ i ].time[0] = 0x00;
headerSWF[ i ].time[0] = 0x00;
headerSWF[ i ].time[0] = 0x00;
headerSWF[ i ].time[0] = 0x00;
headerSWF[ i ].time[0] = 0x00;
headerSWF[ i ].time[0] = 0x00;
headerSWF[ i ].sid = sid;
headerSWF[ i ].hkBIA = DEFAULT_HKBIA;
}
return return_value;
}
int init_header_continuous_wf_table( unsigned int sid, Header_TM_LFR_SCIENCE_CWF_t *headerCWF )
{
unsigned int i;
int return_value;
return_value = LFR_SUCCESSFUL;
for (i=0; i<NB_PACKETS_PER_GROUP_OF_CWF; i++)
{
headerCWF[ i ].targetLogicalAddress = CCSDS_DESTINATION_ID;
headerCWF[ i ].protocolIdentifier = CCSDS_PROTOCOLE_ID;
headerCWF[ i ].reserved = DEFAULT_RESERVED;
headerCWF[ i ].userApplication = CCSDS_USER_APP;
if ( (sid == SID_SBM1_CWF_F1) || (sid == SID_SBM2_CWF_F2) )
{
headerCWF[ i ].packetID[0] = (unsigned char) (APID_TM_SCIENCE_SBM1_SBM2 >> 8);
headerCWF[ i ].packetID[1] = (unsigned char) (APID_TM_SCIENCE_SBM1_SBM2);
}
else
{
headerCWF[ i ].packetID[0] = (unsigned char) (APID_TM_SCIENCE_NORMAL_BURST >> 8);
headerCWF[ i ].packetID[1] = (unsigned char) (APID_TM_SCIENCE_NORMAL_BURST);
}
headerCWF[ i ].packetSequenceControl[0] = TM_PACKET_SEQ_CTRL_STANDALONE;
headerCWF[ i ].packetLength[0] = (unsigned char) (TM_LEN_SCI_CWF_336 >> 8);
headerCWF[ i ].packetLength[1] = (unsigned char) (TM_LEN_SCI_CWF_336 );
headerCWF[ i ].blkNr[0] = (unsigned char) (BLK_NR_CWF >> 8);
headerCWF[ i ].blkNr[1] = (unsigned char) (BLK_NR_CWF );
headerCWF[ i ].packetSequenceControl[1] = TM_PACKET_SEQ_CNT_DEFAULT;
// DATA FIELD HEADER
headerCWF[ i ].spare1_pusVersion_spare2 = DEFAULT_SPARE1_PUSVERSION_SPARE2;
headerCWF[ i ].serviceType = TM_TYPE_LFR_SCIENCE; // service type
headerCWF[ i ].serviceSubType = TM_SUBTYPE_LFR_SCIENCE; // service subtype
headerCWF[ i ].destinationID = TM_DESTINATION_ID_GROUND;
// AUXILIARY DATA HEADER
headerCWF[ i ].sid = sid;
headerCWF[ i ].hkBIA = DEFAULT_HKBIA;
headerCWF[ i ].time[0] = 0x00;
headerCWF[ i ].time[0] = 0x00;
headerCWF[ i ].time[0] = 0x00;
headerCWF[ i ].time[0] = 0x00;
headerCWF[ i ].time[0] = 0x00;
headerCWF[ i ].time[0] = 0x00;
}
return return_value;
}
int init_header_continuous_cwf3_light_table( Header_TM_LFR_SCIENCE_CWF_t *headerCWF )
{
unsigned int i;
int return_value;
return_value = LFR_SUCCESSFUL;
for (i=0; i<NB_PACKETS_PER_GROUP_OF_CWF_LIGHT; i++)
{
headerCWF[ i ].targetLogicalAddress = CCSDS_DESTINATION_ID;
headerCWF[ i ].protocolIdentifier = CCSDS_PROTOCOLE_ID;
headerCWF[ i ].reserved = DEFAULT_RESERVED;
headerCWF[ i ].userApplication = CCSDS_USER_APP;
headerCWF[ i ].packetID[0] = (unsigned char) (APID_TM_SCIENCE_NORMAL_BURST >> 8);
headerCWF[ i ].packetID[1] = (unsigned char) (APID_TM_SCIENCE_NORMAL_BURST);
headerCWF[ i ].packetSequenceControl[0] = TM_PACKET_SEQ_CTRL_STANDALONE;
headerCWF[ i ].packetLength[0] = (unsigned char) (TM_LEN_SCI_CWF_672 >> 8);
headerCWF[ i ].packetLength[1] = (unsigned char) (TM_LEN_SCI_CWF_672 );
headerCWF[ i ].blkNr[0] = (unsigned char) (BLK_NR_CWF_SHORT_F3 >> 8);
headerCWF[ i ].blkNr[1] = (unsigned char) (BLK_NR_CWF_SHORT_F3 );
headerCWF[ i ].packetSequenceControl[1] = TM_PACKET_SEQ_CNT_DEFAULT;
// DATA FIELD HEADER
headerCWF[ i ].spare1_pusVersion_spare2 = DEFAULT_SPARE1_PUSVERSION_SPARE2;
headerCWF[ i ].serviceType = TM_TYPE_LFR_SCIENCE; // service type
headerCWF[ i ].serviceSubType = TM_SUBTYPE_LFR_SCIENCE; // service subtype
headerCWF[ i ].destinationID = TM_DESTINATION_ID_GROUND;
// AUXILIARY DATA HEADER
headerCWF[ i ].sid = SID_NORM_CWF_F3;
headerCWF[ i ].hkBIA = DEFAULT_HKBIA;
headerCWF[ i ].time[0] = 0x00;
headerCWF[ i ].time[0] = 0x00;
headerCWF[ i ].time[0] = 0x00;
headerCWF[ i ].time[0] = 0x00;
headerCWF[ i ].time[0] = 0x00;
headerCWF[ i ].time[0] = 0x00;
}
return return_value;
}
int send_waveform_SWF( volatile int *waveform, unsigned int sid,
Header_TM_LFR_SCIENCE_SWF_t *headerSWF, rtems_id queue_id )
{
/** This function sends SWF CCSDS packets (F2, F1 or F0).
*
* @param waveform points to the buffer containing the data that will be send.
* @param sid is the source identifier of the data that will be sent.
* @param headerSWF points to a table of headers that have been prepared for the data transmission.
* @param queue_id is the id of the rtems queue to which spw_ioctl_pkt_send structures will be send. The structures
* contain information to setup the transmission of the data packets.
*
* One group of 2048 samples is sent as 7 consecutive packets, 6 packets containing 340 blocks and 8 packets containing 8 blocks.
*
*/
unsigned int i;
int ret;
unsigned int coarseTime;
unsigned int fineTime;
rtems_status_code status;
spw_ioctl_pkt_send spw_ioctl_send_SWF;
spw_ioctl_send_SWF.hlen = TM_HEADER_LEN + 4 + 12; // + 4 is for the protocole extra header, + 12 is for the auxiliary header
spw_ioctl_send_SWF.options = 0;
ret = LFR_DEFAULT;
coarseTime = waveform[0];
fineTime = waveform[1];
for (i=0; i<7; i++) // send waveform
{
spw_ioctl_send_SWF.data = (char*) &waveform[ (i * BLK_NR_304 * NB_WORDS_SWF_BLK) + TIME_OFFSET];
spw_ioctl_send_SWF.hdr = (char*) &headerSWF[ i ];
// BUILD THE DATA
if (i==6) {
spw_ioctl_send_SWF.dlen = BLK_NR_224 * NB_BYTES_SWF_BLK;
}
else {
spw_ioctl_send_SWF.dlen = BLK_NR_304 * NB_BYTES_SWF_BLK;
}
// SET PACKET SEQUENCE COUNTER
increment_seq_counter_source_id( headerSWF[ i ].packetSequenceControl, sid );
// SET PACKET TIME
compute_acquisition_time( coarseTime, fineTime, sid, i, headerSWF[ i ].acquisitionTime );
//
headerSWF[ i ].time[0] = headerSWF[ i ].acquisitionTime[0];
headerSWF[ i ].time[1] = headerSWF[ i ].acquisitionTime[1];
headerSWF[ i ].time[2] = headerSWF[ i ].acquisitionTime[2];
headerSWF[ i ].time[3] = headerSWF[ i ].acquisitionTime[3];
headerSWF[ i ].time[4] = headerSWF[ i ].acquisitionTime[4];
headerSWF[ i ].time[5] = headerSWF[ i ].acquisitionTime[5];
// SEND PACKET
status = rtems_message_queue_send( queue_id, &spw_ioctl_send_SWF, ACTION_MSG_SPW_IOCTL_SEND_SIZE);
if (status != RTEMS_SUCCESSFUL) {
printf("%d-%d, ERR %d\n", sid, i, (int) status);
ret = LFR_DEFAULT;
}
rtems_task_wake_after(TIME_BETWEEN_TWO_SWF_PACKETS); // 300 ms between each packet => 7 * 3 = 21 packets => 6.3 seconds
}
return ret;
}
int send_waveform_CWF(volatile int *waveform, unsigned int sid,
Header_TM_LFR_SCIENCE_CWF_t *headerCWF, rtems_id queue_id)
{
/** This function sends CWF CCSDS packets (F2, F1 or F0).
*
* @param waveform points to the buffer containing the data that will be send.
* @param sid is the source identifier of the data that will be sent.
* @param headerCWF points to a table of headers that have been prepared for the data transmission.
* @param queue_id is the id of the rtems queue to which spw_ioctl_pkt_send structures will be send. The structures
* contain information to setup the transmission of the data packets.
*
* One group of 2048 samples is sent as 7 consecutive packets, 6 packets containing 340 blocks and 8 packets containing 8 blocks.
*
*/
unsigned int i;
int ret;
unsigned int coarseTime;
unsigned int fineTime;
rtems_status_code status;
spw_ioctl_pkt_send spw_ioctl_send_CWF;
spw_ioctl_send_CWF.hlen = TM_HEADER_LEN + 4 + 10; // + 4 is for the protocole extra header, + 10 is for the auxiliary header
spw_ioctl_send_CWF.options = 0;
ret = LFR_DEFAULT;
coarseTime = waveform[0];
fineTime = waveform[1];
for (i=0; i<NB_PACKETS_PER_GROUP_OF_CWF; i++) // send waveform
{
spw_ioctl_send_CWF.data = (char*) &waveform[ (i * BLK_NR_CWF * NB_WORDS_SWF_BLK) + TIME_OFFSET];
spw_ioctl_send_CWF.hdr = (char*) &headerCWF[ i ];
// BUILD THE DATA
spw_ioctl_send_CWF.dlen = BLK_NR_CWF * NB_BYTES_SWF_BLK;
// SET PACKET SEQUENCE COUNTER
increment_seq_counter_source_id( headerCWF[ i ].packetSequenceControl, sid );
// SET PACKET TIME
compute_acquisition_time( coarseTime, fineTime, sid, i, headerCWF[ i ].acquisitionTime);
//
headerCWF[ i ].time[0] = headerCWF[ i ].acquisitionTime[0];
headerCWF[ i ].time[1] = headerCWF[ i ].acquisitionTime[1];
headerCWF[ i ].time[2] = headerCWF[ i ].acquisitionTime[2];
headerCWF[ i ].time[3] = headerCWF[ i ].acquisitionTime[3];
headerCWF[ i ].time[4] = headerCWF[ i ].acquisitionTime[4];
headerCWF[ i ].time[5] = headerCWF[ i ].acquisitionTime[5];
// SEND PACKET
if (sid == SID_NORM_CWF_LONG_F3)
{
status = rtems_message_queue_send( queue_id, &spw_ioctl_send_CWF, sizeof(spw_ioctl_send_CWF));
if (status != RTEMS_SUCCESSFUL) {
printf("%d-%d, ERR %d\n", sid, i, (int) status);
ret = LFR_DEFAULT;
}
rtems_task_wake_after(TIME_BETWEEN_TWO_CWF3_PACKETS);
}
else
{
status = rtems_message_queue_send( queue_id, &spw_ioctl_send_CWF, sizeof(spw_ioctl_send_CWF));
if (status != RTEMS_SUCCESSFUL) {
printf("%d-%d, ERR %d\n", sid, i, (int) status);
ret = LFR_DEFAULT;
}
}
}
return ret;
}
int send_waveform_CWF3_light(volatile int *waveform, Header_TM_LFR_SCIENCE_CWF_t *headerCWF, rtems_id queue_id)
{
/** This function sends CWF_F3 CCSDS packets without the b1, b2 and b3 data.
*
* @param waveform points to the buffer containing the data that will be send.
* @param headerCWF points to a table of headers that have been prepared for the data transmission.
* @param queue_id is the id of the rtems queue to which spw_ioctl_pkt_send structures will be send. The structures
* contain information to setup the transmission of the data packets.
*
* By default, CWF_F3 packet are send without the b1, b2 and b3 data. This function rebuilds a data buffer
* from the incoming data and sends it in 7 packets, 6 containing 340 blocks and 1 one containing 8 blocks.
*
*/
unsigned int i;
int ret;
unsigned int coarseTime;
unsigned int fineTime;
rtems_status_code status;
spw_ioctl_pkt_send spw_ioctl_send_CWF;
char *sample;
spw_ioctl_send_CWF.hlen = TM_HEADER_LEN + 4 + 10; // + 4 is for the protocole extra header, + 10 is for the auxiliary header
spw_ioctl_send_CWF.options = 0;
ret = LFR_DEFAULT;
//**********************
// BUILD CWF3_light DATA
for ( i=0; i< NB_SAMPLES_PER_SNAPSHOT; i++)
{
sample = (char*) &waveform[ (i * NB_WORDS_SWF_BLK) + TIME_OFFSET ];
wf_cont_f3_light[ (i * NB_BYTES_CWF3_LIGHT_BLK) + TIME_OFFSET_IN_BYTES ] = sample[ 0 ];
wf_cont_f3_light[ (i * NB_BYTES_CWF3_LIGHT_BLK) + 1 + TIME_OFFSET_IN_BYTES ] = sample[ 1 ];
wf_cont_f3_light[ (i * NB_BYTES_CWF3_LIGHT_BLK) + 2 + TIME_OFFSET_IN_BYTES ] = sample[ 2 ];
wf_cont_f3_light[ (i * NB_BYTES_CWF3_LIGHT_BLK) + 3 + TIME_OFFSET_IN_BYTES ] = sample[ 3 ];
wf_cont_f3_light[ (i * NB_BYTES_CWF3_LIGHT_BLK) + 4 + TIME_OFFSET_IN_BYTES ] = sample[ 4 ];
wf_cont_f3_light[ (i * NB_BYTES_CWF3_LIGHT_BLK) + 5 + TIME_OFFSET_IN_BYTES ] = sample[ 5 ];
}
coarseTime = waveform[0];
fineTime = waveform[1];
//*********************
// SEND CWF3_light DATA
for (i=0; i<NB_PACKETS_PER_GROUP_OF_CWF_LIGHT; i++) // send waveform
{
spw_ioctl_send_CWF.data = (char*) &wf_cont_f3_light[ (i * BLK_NR_CWF_SHORT_F3 * NB_BYTES_CWF3_LIGHT_BLK) + TIME_OFFSET_IN_BYTES];
spw_ioctl_send_CWF.hdr = (char*) &headerCWF[ i ];
// BUILD THE DATA
spw_ioctl_send_CWF.dlen = BLK_NR_CWF_SHORT_F3 * NB_BYTES_CWF3_LIGHT_BLK;
// SET PACKET SEQUENCE COUNTER
increment_seq_counter_source_id( headerCWF[ i ].packetSequenceControl, SID_NORM_CWF_F3 );
// SET PACKET TIME
compute_acquisition_time( coarseTime, fineTime, SID_NORM_CWF_F3, i, headerCWF[ i ].acquisitionTime );
//
headerCWF[ i ].time[0] = headerCWF[ i ].acquisitionTime[0];
headerCWF[ i ].time[1] = headerCWF[ i ].acquisitionTime[1];
headerCWF[ i ].time[2] = headerCWF[ i ].acquisitionTime[2];
headerCWF[ i ].time[3] = headerCWF[ i ].acquisitionTime[3];
headerCWF[ i ].time[4] = headerCWF[ i ].acquisitionTime[4];
headerCWF[ i ].time[5] = headerCWF[ i ].acquisitionTime[5];
// SEND PACKET
status = rtems_message_queue_send( queue_id, &spw_ioctl_send_CWF, sizeof(spw_ioctl_send_CWF));
if (status != RTEMS_SUCCESSFUL) {
printf("%d-%d, ERR %d\n", SID_NORM_CWF_F3, i, (int) status);
ret = LFR_DEFAULT;
}
rtems_task_wake_after(TIME_BETWEEN_TWO_CWF3_PACKETS);
}
return ret;
}
void compute_acquisition_time( unsigned int coarseTime, unsigned int fineTime,
unsigned int sid, unsigned char pa_lfr_pkt_nr, unsigned char * acquisitionTime )
{
unsigned long long int acquisitionTimeAsLong;
unsigned char localAcquisitionTime[6];
double deltaT;
deltaT = 0.;
localAcquisitionTime[0] = (unsigned char) ( coarseTime >> 24 );
localAcquisitionTime[1] = (unsigned char) ( coarseTime >> 16 );
localAcquisitionTime[2] = (unsigned char) ( coarseTime >> 8 );
localAcquisitionTime[3] = (unsigned char) ( coarseTime );
localAcquisitionTime[4] = (unsigned char) ( fineTime >> 8 );
localAcquisitionTime[5] = (unsigned char) ( fineTime );
acquisitionTimeAsLong = ( (unsigned long long int) localAcquisitionTime[0] << 40 )
+ ( (unsigned long long int) localAcquisitionTime[1] << 32 )
+ ( (unsigned long long int) localAcquisitionTime[2] << 24 )
+ ( (unsigned long long int) localAcquisitionTime[3] << 16 )
+ ( (unsigned long long int) localAcquisitionTime[4] << 8 )
+ ( (unsigned long long int) localAcquisitionTime[5] );
switch( sid )
{
case SID_NORM_SWF_F0:
deltaT = ( (double ) (pa_lfr_pkt_nr) ) * BLK_NR_304 * 65536. / 24576. ;
break;
case SID_NORM_SWF_F1:
deltaT = ( (double ) (pa_lfr_pkt_nr) ) * BLK_NR_304 * 65536. / 4096. ;
break;
case SID_NORM_SWF_F2:
deltaT = ( (double ) (pa_lfr_pkt_nr) ) * BLK_NR_304 * 65536. / 256. ;
break;
case SID_SBM1_CWF_F1:
deltaT = ( (double ) (pa_lfr_pkt_nr) ) * BLK_NR_CWF * 65536. / 4096. ;
break;
case SID_SBM2_CWF_F2:
deltaT = ( (double ) (pa_lfr_pkt_nr) ) * BLK_NR_CWF * 65536. / 256. ;
break;
case SID_BURST_CWF_F2:
deltaT = ( (double ) (pa_lfr_pkt_nr) ) * BLK_NR_CWF * 65536. / 256. ;
break;
case SID_NORM_CWF_F3:
deltaT = ( (double ) (pa_lfr_pkt_nr) ) * BLK_NR_CWF_SHORT_F3 * 65536. / 16. ;
break;
case SID_NORM_CWF_LONG_F3:
deltaT = ( (double ) (pa_lfr_pkt_nr) ) * BLK_NR_CWF * 65536. / 16. ;
break;
default:
PRINTF1("in compute_acquisition_time *** ERR unexpected sid %d", sid)
deltaT = 0.;
break;
}
acquisitionTimeAsLong = acquisitionTimeAsLong + (unsigned long long int) deltaT;
//
acquisitionTime[0] = (unsigned char) (acquisitionTimeAsLong >> 40);
acquisitionTime[1] = (unsigned char) (acquisitionTimeAsLong >> 32);
acquisitionTime[2] = (unsigned char) (acquisitionTimeAsLong >> 24);
acquisitionTime[3] = (unsigned char) (acquisitionTimeAsLong >> 16);
acquisitionTime[4] = (unsigned char) (acquisitionTimeAsLong >> 8 );
acquisitionTime[5] = (unsigned char) (acquisitionTimeAsLong );
}
void build_snapshot_from_ring( ring_node *ring_node_to_send, unsigned char frequencyChannel )
{
unsigned int i;
unsigned long long int centerTime_asLong;
unsigned long long int acquisitionTimeF0_asLong;
unsigned long long int acquisitionTime_asLong;
unsigned long long int bufferAcquisitionTime_asLong;
unsigned char *ptr1;
unsigned char *ptr2;
unsigned char *timeCharPtr;
unsigned char nb_ring_nodes;
unsigned long long int frequency_asLong;
unsigned long long int nbTicksPerSample_asLong;
unsigned long long int nbSamplesPart1_asLong;
unsigned long long int sampleOffset_asLong;
unsigned int deltaT_F0;
unsigned int deltaT_F1;
unsigned long long int deltaT_F2;
deltaT_F0 = 2731; // (2048. / 24576. / 2.) * 65536. = 2730.667;
deltaT_F1 = 16384; // (2048. / 4096. / 2.) * 65536. = 16384;
deltaT_F2 = 262144; // (2048. / 256. / 2.) * 65536. = 262144;
sampleOffset_asLong = 0x00;
// (1) get the f0 acquisition time
build_acquisition_time( &acquisitionTimeF0_asLong, current_ring_node_f0 );
// (2) compute the central reference time
centerTime_asLong = acquisitionTimeF0_asLong + deltaT_F0;
// (3) compute the acquisition time of the current snapshot
switch(frequencyChannel)
{
case 1: // 1 is for F1 = 4096 Hz
acquisitionTime_asLong = centerTime_asLong - deltaT_F1;
nb_ring_nodes = NB_RING_NODES_F1;
frequency_asLong = 4096;
nbTicksPerSample_asLong = 16; // 65536 / 4096;
break;
case 2: // 2 is for F2 = 256 Hz
acquisitionTime_asLong = centerTime_asLong - deltaT_F2;
nb_ring_nodes = NB_RING_NODES_F2;
frequency_asLong = 256;
nbTicksPerSample_asLong = 256; // 65536 / 256;
break;
default:
acquisitionTime_asLong = centerTime_asLong;
frequency_asLong = 256;
nbTicksPerSample_asLong = 256;
break;
}
//****************************************************************************
// (4) search the ring_node with the acquisition time <= acquisitionTime_asLong
for (i=0; i<nb_ring_nodes; i++)
{
PRINTF1("%d ... ", i)
build_acquisition_time( &bufferAcquisitionTime_asLong, ring_node_to_send );
if (bufferAcquisitionTime_asLong <= acquisitionTime_asLong)
{
PRINTF1("buffer found with acquisition time = %llx\n", bufferAcquisitionTime_asLong)
break;
}
ring_node_to_send = ring_node_to_send->previous;
}
// (5) compute the number of samples to take in the current buffer
sampleOffset_asLong = ((acquisitionTime_asLong - bufferAcquisitionTime_asLong) * frequency_asLong ) >> 16;
nbSamplesPart1_asLong = NB_SAMPLES_PER_SNAPSHOT - sampleOffset_asLong;
PRINTF2("sampleOffset_asLong = %llx, nbSamplesPart1_asLong = %llx\n", sampleOffset_asLong, nbSamplesPart1_asLong)
// (6) compute the final acquisition time
acquisitionTime_asLong = bufferAcquisitionTime_asLong +
sampleOffset_asLong * nbTicksPerSample_asLong;
// (7) copy the acquisition time at the beginning of the extrated snapshot
ptr1 = (unsigned char*) &acquisitionTime_asLong;
ptr2 = (unsigned char*) wf_snap_extracted;
ptr2[0] = ptr1[ 0 + 2 ];
ptr2[1] = ptr1[ 1 + 2 ];
ptr2[2] = ptr1[ 2 + 2 ];
ptr2[3] = ptr1[ 3 + 2 ];
ptr2[6] = ptr1[ 4 + 2 ];
ptr2[7] = ptr1[ 5 + 2 ];
// re set the synchronization bit
timeCharPtr = (unsigned char*) ring_node_to_send->buffer_address;
ptr2[0] = ptr2[0] | (timeCharPtr[0] & 0x80); // [1000 0000]
if ( (nbSamplesPart1_asLong >= NB_SAMPLES_PER_SNAPSHOT) | (nbSamplesPart1_asLong < 0) )
{
nbSamplesPart1_asLong = 0;
}
// copy the part 1 of the snapshot in the extracted buffer
for ( i = 0; i < (nbSamplesPart1_asLong * NB_WORDS_SWF_BLK); i++ )
{
wf_snap_extracted[i + TIME_OFFSET] =
((int*) ring_node_to_send->buffer_address)[i + (sampleOffset_asLong * NB_WORDS_SWF_BLK) + TIME_OFFSET];
}
// copy the part 2 of the snapshot in the extracted buffer
ring_node_to_send = ring_node_to_send->next;
for ( i = (nbSamplesPart1_asLong * NB_WORDS_SWF_BLK); i < (NB_SAMPLES_PER_SNAPSHOT * NB_WORDS_SWF_BLK); i++ )
{
wf_snap_extracted[i + TIME_OFFSET] =
((int*) ring_node_to_send->buffer_address)[(i-(nbSamplesPart1_asLong * NB_WORDS_SWF_BLK)) + TIME_OFFSET];
}
}
void build_acquisition_time( unsigned long long int *acquisitionTimeAslong, ring_node *current_ring_node )
{
unsigned char *acquisitionTimeCharPtr;
acquisitionTimeCharPtr = (unsigned char*) current_ring_node->buffer_address;
*acquisitionTimeAslong = 0x00;
*acquisitionTimeAslong = ( (unsigned long long int) (acquisitionTimeCharPtr[0] & 0x7f) << 40 ) // [0111 1111] mask the synchronization bit
+ ( (unsigned long long int) acquisitionTimeCharPtr[1] << 32 )
+ ( (unsigned long long int) acquisitionTimeCharPtr[2] << 24 )
+ ( (unsigned long long int) acquisitionTimeCharPtr[3] << 16 )
+ ( (unsigned long long int) acquisitionTimeCharPtr[6] << 8 )
+ ( (unsigned long long int) acquisitionTimeCharPtr[7] );
}
//**************
// wfp registers
void reset_wfp_burst_enable(void)
{
/** This function resets the waveform picker burst_enable register.
*
* The burst bits [f2 f1 f0] and the enable bits [f3 f2 f1 f0] are set to 0.
*
*/
waveform_picker_regs->run_burst_enable = 0x00; // burst f2, f1, f0 enable f3, f2, f1, f0
}
void reset_wfp_status( void )
{
/** This function resets the waveform picker status register.
*
* All status bits are set to 0 [new_err full_err full].
*
*/
waveform_picker_regs->status = 0x00; // burst f2, f1, f0 enable f3, f2, f1, f0
}
void reset_waveform_picker_regs(void)
{
/** This function resets the waveform picker module registers.
*
* The registers affected by this function are located at the following offset addresses:
* - 0x00 data_shaping
* - 0x04 run_burst_enable
* - 0x08 addr_data_f0
* - 0x0C addr_data_f1
* - 0x10 addr_data_f2
* - 0x14 addr_data_f3
* - 0x18 status
* - 0x1C delta_snapshot
* - 0x20 delta_f0
* - 0x24 delta_f0_2
* - 0x28 delta_f1
* - 0x2c delta_f2
* - 0x30 nb_data_by_buffer
* - 0x34 nb_snapshot_param
* - 0x38 start_date
* - 0x3c nb_word_in_buffer
*
*/
set_wfp_data_shaping(); // 0x00 *** R1 R0 SP1 SP0 BW
reset_wfp_burst_enable(); // 0x04 *** [run *** burst f2, f1, f0 *** enable f3, f2, f1, f0 ]
waveform_picker_regs->addr_data_f0 = current_ring_node_f0->buffer_address; // 0x08
waveform_picker_regs->addr_data_f1 = current_ring_node_f1->buffer_address; // 0x0c
waveform_picker_regs->addr_data_f2 = current_ring_node_f2->buffer_address; // 0x10
waveform_picker_regs->addr_data_f3 = current_ring_node_f3->buffer_address; // 0x14
reset_wfp_status(); // 0x18
//
set_wfp_delta_snapshot(); // 0x1c
set_wfp_delta_f0_f0_2(); // 0x20, 0x24
set_wfp_delta_f1(); // 0x28
set_wfp_delta_f2(); // 0x2c
DEBUG_PRINTF1("delta_snapshot %x\n", waveform_picker_regs->delta_snapshot)
DEBUG_PRINTF1("delta_f0 %x\n", waveform_picker_regs->delta_f0)
DEBUG_PRINTF1("delta_f0_2 %x\n", waveform_picker_regs->delta_f0_2)
DEBUG_PRINTF1("delta_f1 %x\n", waveform_picker_regs->delta_f1)
DEBUG_PRINTF1("delta_f2 %x\n", waveform_picker_regs->delta_f2)
// 2688 = 8 * 336
waveform_picker_regs->nb_data_by_buffer = 0xa7f; // 0x30 *** 2688 - 1 => nb samples -1
waveform_picker_regs->snapshot_param = 0xa80; // 0x34 *** 2688 => nb samples
waveform_picker_regs->start_date = 0x00; // 0x38
waveform_picker_regs->nb_word_in_buffer = 0x1f82; // 0x3c *** 2688 * 3 + 2 = 8066
}
void set_wfp_data_shaping( void )
{
/** This function sets the data_shaping register of the waveform picker module.
*
* The value is read from one field of the parameter_dump_packet structure:\n
* bw_sp0_sp1_r0_r1
*
*/
unsigned char data_shaping;
// get the parameters for the data shaping [BW SP0 SP1 R0 R1] in sy_lfr_common1 and configure the register
// waveform picker : [R1 R0 SP1 SP0 BW]
data_shaping = parameter_dump_packet.bw_sp0_sp1_r0_r1;
waveform_picker_regs->data_shaping =
( (data_shaping & 0x10) >> 4 ) // BW
+ ( (data_shaping & 0x08) >> 2 ) // SP0
+ ( (data_shaping & 0x04) ) // SP1
+ ( (data_shaping & 0x02) << 2 ) // R0
+ ( (data_shaping & 0x01) << 4 ); // R1
}
void set_wfp_burst_enable_register( unsigned char mode )
{
/** This function sets the waveform picker burst_enable register depending on the mode.
*
* @param mode is the LFR mode to launch.
*
* The burst bits shall be before the enable bits.
*
*/
// [0000 0000] burst f2, f1, f0 enable f3 f2 f1 f0
// the burst bits shall be set first, before the enable bits
switch(mode) {
case(LFR_MODE_NORMAL):
waveform_picker_regs->run_burst_enable = 0x00; // [0000 0000] no burst enable
waveform_picker_regs->run_burst_enable = 0x0f; // [0000 1111] enable f3 f2 f1 f0
break;
case(LFR_MODE_BURST):
waveform_picker_regs->run_burst_enable = 0x40; // [0100 0000] f2 burst enabled
// waveform_picker_regs->run_burst_enable = waveform_picker_regs->run_burst_enable | 0x04; // [0100] enable f2
waveform_picker_regs->run_burst_enable = waveform_picker_regs->run_burst_enable | 0x0c; // [1100] enable f3 AND f2
break;
case(LFR_MODE_SBM1):
waveform_picker_regs->run_burst_enable = 0x20; // [0010 0000] f1 burst enabled
waveform_picker_regs->run_burst_enable = waveform_picker_regs->run_burst_enable | 0x0f; // [1111] enable f3 f2 f1 f0
break;
case(LFR_MODE_SBM2):
waveform_picker_regs->run_burst_enable = 0x40; // [0100 0000] f2 burst enabled
waveform_picker_regs->run_burst_enable = waveform_picker_regs->run_burst_enable | 0x0f; // [1111] enable f3 f2 f1 f0
break;
default:
waveform_picker_regs->run_burst_enable = 0x00; // [0000 0000] no burst enabled, no waveform enabled
break;
}
}
void set_wfp_delta_snapshot( void )
{
/** This function sets the delta_snapshot register of the waveform picker module.
*
* The value is read from two (unsigned char) of the parameter_dump_packet structure:
* - sy_lfr_n_swf_p[0]
* - sy_lfr_n_swf_p[1]
*
*/
unsigned int delta_snapshot;
unsigned int delta_snapshot_in_T2;
delta_snapshot = parameter_dump_packet.sy_lfr_n_swf_p[0]*256
+ parameter_dump_packet.sy_lfr_n_swf_p[1];
delta_snapshot_in_T2 = delta_snapshot * 256;
waveform_picker_regs->delta_snapshot = delta_snapshot_in_T2 - 1; // max 4 bytes
}
void set_wfp_delta_f0_f0_2( void )
{
unsigned int delta_snapshot;
unsigned int nb_samples_per_snapshot;
float delta_f0_in_float;
delta_snapshot = waveform_picker_regs->delta_snapshot;
nb_samples_per_snapshot = parameter_dump_packet.sy_lfr_n_swf_l[0] * 256 + parameter_dump_packet.sy_lfr_n_swf_l[1];
delta_f0_in_float =nb_samples_per_snapshot / 2. * ( 1. / 256. - 1. / 24576.) * 256.;
waveform_picker_regs->delta_f0 = delta_snapshot - floor( delta_f0_in_float );
waveform_picker_regs->delta_f0_2 = 0x7; // max 7 bits
}
void set_wfp_delta_f1( void )
{
unsigned int delta_snapshot;
unsigned int nb_samples_per_snapshot;
float delta_f1_in_float;
delta_snapshot = waveform_picker_regs->delta_snapshot;
nb_samples_per_snapshot = parameter_dump_packet.sy_lfr_n_swf_l[0] * 256 + parameter_dump_packet.sy_lfr_n_swf_l[1];
delta_f1_in_float = nb_samples_per_snapshot / 2. * ( 1. / 256. - 1. / 4096.) * 256.;
waveform_picker_regs->delta_f1 = delta_snapshot - floor( delta_f1_in_float );
}
void set_wfp_delta_f2()
{
unsigned int delta_snapshot;
unsigned int nb_samples_per_snapshot;
delta_snapshot = waveform_picker_regs->delta_snapshot;
nb_samples_per_snapshot = parameter_dump_packet.sy_lfr_n_swf_l[0] * 256 + parameter_dump_packet.sy_lfr_n_swf_l[1];
waveform_picker_regs->delta_f2 = delta_snapshot - nb_samples_per_snapshot / 2;
}
//*****************
// local parameters
void increment_seq_counter_source_id( unsigned char *packet_sequence_control, unsigned int sid )
{
/** This function increments the parameter "sequence_cnt" depending on the sid passed in argument.
*
* @param packet_sequence_control is a pointer toward the parameter sequence_cnt to update.
* @param sid is the source identifier of the packet being updated.
*
* REQ-LFR-SRS-5240 / SSS-CP-FS-590
* The sequence counters shall wrap around from 2^14 to zero.
* The sequence counter shall start at zero at startup.
*
* REQ-LFR-SRS-5239 / SSS-CP-FS-580
* All TM_LFR_SCIENCE_ packets are sent to ground, i.e. destination id = 0
*
*/
unsigned short *sequence_cnt;
unsigned short segmentation_grouping_flag;
unsigned short new_packet_sequence_control;
rtems_mode initial_mode_set;
rtems_mode current_mode_set;
rtems_status_code status;
//******************************************
// CHANGE THE MODE OF THE CALLING RTEMS TASK
status = rtems_task_mode( RTEMS_NO_PREEMPT, RTEMS_PREEMPT_MASK, &initial_mode_set );
if ( (sid == SID_NORM_SWF_F0) || (sid == SID_NORM_SWF_F1) || (sid == SID_NORM_SWF_F2)
|| (sid == SID_NORM_CWF_F3) || (sid == SID_NORM_CWF_LONG_F3)
|| (sid == SID_BURST_CWF_F2)
|| (sid == SID_NORM_ASM_F0) || (sid == SID_NORM_ASM_F1) || (sid == SID_NORM_ASM_F2)
|| (sid == SID_NORM_BP1_F0) || (sid == SID_NORM_BP1_F1) || (sid == SID_NORM_BP1_F2)
|| (sid == SID_NORM_BP2_F0) || (sid == SID_NORM_BP2_F1) || (sid == SID_NORM_BP2_F2)
|| (sid == SID_BURST_BP1_F0) || (sid == SID_BURST_BP2_F0)
|| (sid == SID_BURST_BP1_F1) || (sid == SID_BURST_BP2_F1) )
{
sequence_cnt = (unsigned short *) &sequenceCounters_SCIENCE_NORMAL_BURST;
}
else if ( (sid ==SID_SBM1_CWF_F1) || (sid ==SID_SBM2_CWF_F2)
|| (sid == SID_SBM1_BP1_F0) || (sid == SID_SBM1_BP2_F0)
|| (sid == SID_SBM2_BP1_F0) || (sid == SID_SBM2_BP2_F0)
|| (sid == SID_SBM2_BP1_F1) || (sid == SID_SBM2_BP2_F1) )
{
sequence_cnt = (unsigned short *) &sequenceCounters_SCIENCE_SBM1_SBM2;
}
else
{
sequence_cnt = (unsigned short *) NULL;
PRINTF1("in increment_seq_counter_source_id *** ERR apid_destid %d not known\n", sid)
}
if (sequence_cnt != NULL)
{
segmentation_grouping_flag = TM_PACKET_SEQ_CTRL_STANDALONE << 8;
*sequence_cnt = (*sequence_cnt) & 0x3fff;
new_packet_sequence_control = segmentation_grouping_flag | (*sequence_cnt) ;
packet_sequence_control[0] = (unsigned char) (new_packet_sequence_control >> 8);
packet_sequence_control[1] = (unsigned char) (new_packet_sequence_control );
// increment the sequence counter
if ( *sequence_cnt < SEQ_CNT_MAX)
{
*sequence_cnt = *sequence_cnt + 1;
}
else
{
*sequence_cnt = 0;
}
}
//***********************************
// RESET THE MODE OF THE CALLING TASK
status = rtems_task_mode( initial_mode_set, RTEMS_PREEMPT_MASK, &current_mode_set );
}