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/** Functions and tasks related to waveform packet generation.
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*
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* @file
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* @author P. LEROY
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*
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* A group of functions to handle waveforms, in snapshot or continuous format.\n
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*
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*/
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#include "wf_handler.h"
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//***************
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// waveform rings
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// F0
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ring_node waveform_ring_f0[NB_RING_NODES_F0];
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ring_node *current_ring_node_f0;
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ring_node *ring_node_to_send_swf_f0;
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// F1
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ring_node waveform_ring_f1[NB_RING_NODES_F1];
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ring_node *current_ring_node_f1;
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ring_node *ring_node_to_send_swf_f1;
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ring_node *ring_node_to_send_cwf_f1;
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// F2
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ring_node waveform_ring_f2[NB_RING_NODES_F2];
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ring_node *current_ring_node_f2;
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ring_node *ring_node_to_send_swf_f2;
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ring_node *ring_node_to_send_cwf_f2;
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// F3
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ring_node waveform_ring_f3[NB_RING_NODES_F3];
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ring_node *current_ring_node_f3;
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ring_node *ring_node_to_send_cwf_f3;
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char wf_cont_f3_light[ (NB_SAMPLES_PER_SNAPSHOT) * NB_BYTES_CWF3_LIGHT_BLK ];
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bool extractSWF1 = false;
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bool extractSWF2 = false;
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bool swf0_ready_flag_f1 = false;
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bool swf0_ready_flag_f2 = false;
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bool swf1_ready = false;
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bool swf2_ready = false;
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int swf1_extracted[ (NB_SAMPLES_PER_SNAPSHOT * NB_WORDS_SWF_BLK) ];
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int swf2_extracted[ (NB_SAMPLES_PER_SNAPSHOT * NB_WORDS_SWF_BLK) ];
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ring_node ring_node_swf1_extracted;
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ring_node ring_node_swf2_extracted;
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typedef enum resynchro_state_t
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{
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MEASURE,
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CORRECTION
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} resynchro_state;
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//*********************
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// Interrupt SubRoutine
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ring_node * getRingNodeToSendCWF( unsigned char frequencyChannel)
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{
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ring_node *node;
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node = NULL;
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switch ( frequencyChannel ) {
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case 1:
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node = ring_node_to_send_cwf_f1;
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break;
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case 2:
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node = ring_node_to_send_cwf_f2;
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break;
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case 3:
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node = ring_node_to_send_cwf_f3;
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break;
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default:
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break;
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}
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return node;
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}
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ring_node * getRingNodeToSendSWF( unsigned char frequencyChannel)
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{
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ring_node *node;
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node = NULL;
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switch ( frequencyChannel ) {
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case 0:
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node = ring_node_to_send_swf_f0;
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break;
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case 1:
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node = ring_node_to_send_swf_f1;
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break;
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case 2:
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node = ring_node_to_send_swf_f2;
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break;
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default:
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break;
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}
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return node;
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}
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void reset_extractSWF( void )
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{
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extractSWF1 = false;
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extractSWF2 = false;
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swf0_ready_flag_f1 = false;
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swf0_ready_flag_f2 = false;
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swf1_ready = false;
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swf2_ready = false;
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}
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inline void waveforms_isr_f3( void )
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{
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rtems_status_code spare_status;
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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
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|| (lfrCurrentMode == LFR_MODE_SBM1) || (lfrCurrentMode == LFR_MODE_SBM2) )
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{ // in modes other than STANDBY and BURST, send the CWF_F3 data
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//***
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// F3
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if ( (waveform_picker_regs->status & 0xc0) != 0x00 ) { // [1100 0000] check the f3 full bits
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ring_node_to_send_cwf_f3 = current_ring_node_f3->previous;
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current_ring_node_f3 = current_ring_node_f3->next;
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if ((waveform_picker_regs->status & 0x40) == 0x40){ // [0100 0000] f3 buffer 0 is full
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ring_node_to_send_cwf_f3->coarseTime = waveform_picker_regs->f3_0_coarse_time;
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ring_node_to_send_cwf_f3->fineTime = waveform_picker_regs->f3_0_fine_time;
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waveform_picker_regs->addr_data_f3_0 = current_ring_node_f3->buffer_address;
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waveform_picker_regs->status = waveform_picker_regs->status & 0x00008840; // [1000 1000 0100 0000]
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}
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else if ((waveform_picker_regs->status & 0x80) == 0x80){ // [1000 0000] f3 buffer 1 is full
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ring_node_to_send_cwf_f3->coarseTime = waveform_picker_regs->f3_1_coarse_time;
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ring_node_to_send_cwf_f3->fineTime = waveform_picker_regs->f3_1_fine_time;
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waveform_picker_regs->addr_data_f3_1 = current_ring_node_f3->buffer_address;
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waveform_picker_regs->status = waveform_picker_regs->status & 0x00008880; // [1000 1000 1000 0000]
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}
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if (rtems_event_send( Task_id[TASKID_CWF3], RTEMS_EVENT_0 ) != RTEMS_SUCCESSFUL) {
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spare_status = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_0 );
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}
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}
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}
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}
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inline void waveforms_isr_burst( void )
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{
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unsigned char status;
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rtems_status_code spare_status;
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status = (waveform_picker_regs->status & 0x30) >> 4; // [0011 0000] get the status bits for f2
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switch(status)
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{
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case 1:
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ring_node_to_send_cwf_f2 = current_ring_node_f2->previous;
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ring_node_to_send_cwf_f2->sid = SID_BURST_CWF_F2;
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ring_node_to_send_cwf_f2->coarseTime = waveform_picker_regs->f2_0_coarse_time;
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ring_node_to_send_cwf_f2->fineTime = waveform_picker_regs->f2_0_fine_time;
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current_ring_node_f2 = current_ring_node_f2->next;
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waveform_picker_regs->addr_data_f2_0 = current_ring_node_f2->buffer_address;
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if (rtems_event_send( Task_id[TASKID_CWF2], RTEMS_EVENT_MODE_BURST ) != RTEMS_SUCCESSFUL) {
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spare_status = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_0 );
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}
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waveform_picker_regs->status = waveform_picker_regs->status & 0x00004410; // [0100 0100 0001 0000]
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break;
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case 2:
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ring_node_to_send_cwf_f2 = current_ring_node_f2->previous;
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ring_node_to_send_cwf_f2->sid = SID_BURST_CWF_F2;
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ring_node_to_send_cwf_f2->coarseTime = waveform_picker_regs->f2_1_coarse_time;
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ring_node_to_send_cwf_f2->fineTime = waveform_picker_regs->f2_1_fine_time;
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current_ring_node_f2 = current_ring_node_f2->next;
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waveform_picker_regs->addr_data_f2_1 = current_ring_node_f2->buffer_address;
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if (rtems_event_send( Task_id[TASKID_CWF2], RTEMS_EVENT_MODE_BURST ) != RTEMS_SUCCESSFUL) {
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spare_status = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_0 );
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}
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waveform_picker_regs->status = waveform_picker_regs->status & 0x00004420; // [0100 0100 0010 0000]
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break;
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default:
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break;
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}
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}
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inline void waveform_isr_normal_sbm1_sbm2( void )
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{
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rtems_status_code status;
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//***
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// F0
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if ( (waveform_picker_regs->status & 0x03) != 0x00 ) // [0000 0011] check the f0 full bits
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{
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swf0_ready_flag_f1 = true;
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swf0_ready_flag_f2 = true;
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ring_node_to_send_swf_f0 = current_ring_node_f0->previous;
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current_ring_node_f0 = current_ring_node_f0->next;
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if ( (waveform_picker_regs->status & 0x01) == 0x01)
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{
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ring_node_to_send_swf_f0->coarseTime = waveform_picker_regs->f0_0_coarse_time;
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ring_node_to_send_swf_f0->fineTime = waveform_picker_regs->f0_0_fine_time;
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waveform_picker_regs->addr_data_f0_0 = current_ring_node_f0->buffer_address;
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waveform_picker_regs->status = waveform_picker_regs->status & 0x00001101; // [0001 0001 0000 0001]
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}
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else if ( (waveform_picker_regs->status & 0x02) == 0x02)
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{
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ring_node_to_send_swf_f0->coarseTime = waveform_picker_regs->f0_1_coarse_time;
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ring_node_to_send_swf_f0->fineTime = waveform_picker_regs->f0_1_fine_time;
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waveform_picker_regs->addr_data_f0_1 = current_ring_node_f0->buffer_address;
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waveform_picker_regs->status = waveform_picker_regs->status & 0x00001102; // [0001 0001 0000 0010]
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}
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// send an event to the WFRM task for resynchro activities
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status = rtems_event_send( Task_id[TASKID_WFRM], RTEMS_EVENT_SWF_RESYNCH );
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}
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//***
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// F1
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if ( (waveform_picker_regs->status & 0x0c) != 0x00 ) { // [0000 1100] check the f1 full bits
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// (1) change the receiving buffer for the waveform picker
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ring_node_to_send_cwf_f1 = current_ring_node_f1->previous;
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current_ring_node_f1 = current_ring_node_f1->next;
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if ( (waveform_picker_regs->status & 0x04) == 0x04)
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{
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ring_node_to_send_cwf_f1->coarseTime = waveform_picker_regs->f1_0_coarse_time;
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ring_node_to_send_cwf_f1->fineTime = waveform_picker_regs->f1_0_fine_time;
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waveform_picker_regs->addr_data_f1_0 = current_ring_node_f1->buffer_address;
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waveform_picker_regs->status = waveform_picker_regs->status & 0x00002204; // [0010 0010 0000 0100] f1 bits = 0
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}
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else if ( (waveform_picker_regs->status & 0x08) == 0x08)
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{
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ring_node_to_send_cwf_f1->coarseTime = waveform_picker_regs->f1_1_coarse_time;
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ring_node_to_send_cwf_f1->fineTime = waveform_picker_regs->f1_1_fine_time;
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waveform_picker_regs->addr_data_f1_1 = current_ring_node_f1->buffer_address;
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waveform_picker_regs->status = waveform_picker_regs->status & 0x00002208; // [0010 0010 0000 1000] f1 bits = 0
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}
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// (2) send an event for the the CWF1 task for transmission (and snapshot extraction if needed)
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status = rtems_event_send( Task_id[TASKID_CWF1], RTEMS_EVENT_MODE_NORM_S1_S2 );
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}
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//***
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// F2
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if ( (waveform_picker_regs->status & 0x30) != 0x00 ) { // [0011 0000] check the f2 full bit
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// (1) change the receiving buffer for the waveform picker
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ring_node_to_send_cwf_f2 = current_ring_node_f2->previous;
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ring_node_to_send_cwf_f2->sid = SID_SBM2_CWF_F2;
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current_ring_node_f2 = current_ring_node_f2->next;
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if ( (waveform_picker_regs->status & 0x10) == 0x10)
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{
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ring_node_to_send_cwf_f2->coarseTime = waveform_picker_regs->f2_0_coarse_time;
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ring_node_to_send_cwf_f2->fineTime = waveform_picker_regs->f2_0_fine_time;
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waveform_picker_regs->addr_data_f2_0 = current_ring_node_f2->buffer_address;
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waveform_picker_regs->status = waveform_picker_regs->status & 0x00004410; // [0100 0100 0001 0000]
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}
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else if ( (waveform_picker_regs->status & 0x20) == 0x20)
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{
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ring_node_to_send_cwf_f2->coarseTime = waveform_picker_regs->f2_1_coarse_time;
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ring_node_to_send_cwf_f2->fineTime = waveform_picker_regs->f2_1_fine_time;
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waveform_picker_regs->addr_data_f2_1 = current_ring_node_f2->buffer_address;
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waveform_picker_regs->status = waveform_picker_regs->status & 0x00004420; // [0100 0100 0010 0000]
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}
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// (2) send an event for the waveforms transmission
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status = rtems_event_send( Task_id[TASKID_CWF2], RTEMS_EVENT_MODE_NORM_S1_S2 );
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}
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}
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rtems_isr waveforms_isr( rtems_vector_number vector )
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{
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/** This is the interrupt sub routine called by the waveform picker core.
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*
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* This ISR launch different actions depending mainly on two pieces of information:
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* 1. the values read in the registers of the waveform picker.
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* 2. the current LFR mode.
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*
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*/
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// STATUS
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// new error error buffer full
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// 15 14 13 12 11 10 9 8
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// f3 f2 f1 f0 f3 f2 f1 f0
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//
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// ready buffer
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// 7 6 5 4 3 2 1 0
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// f3_1 f3_0 f2_1 f2_0 f1_1 f1_0 f0_1 f0_0
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rtems_status_code spare_status;
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waveforms_isr_f3();
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//*************************************************
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// copy the status bits in the housekeeping packets
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housekeeping_packet.hk_lfr_vhdl_iir_cal =
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(unsigned char) ((waveform_picker_regs->status & 0xff00) >> 8);
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if ( (waveform_picker_regs->status & 0xff00) != 0x00) // [1111 1111 0000 0000] check the error bits
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{
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spare_status = rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_10 );
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}
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switch(lfrCurrentMode)
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{
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//********
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// STANDBY
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case LFR_MODE_STANDBY:
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break;
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//**************************
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// LFR NORMAL, SBM1 and SBM2
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case LFR_MODE_NORMAL:
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case LFR_MODE_SBM1:
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case LFR_MODE_SBM2:
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waveform_isr_normal_sbm1_sbm2();
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break;
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//******
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// BURST
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case LFR_MODE_BURST:
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waveforms_isr_burst();
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break;
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//********
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// DEFAULT
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default:
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break;
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}
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}
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//************
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// RTEMS TASKS
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rtems_task wfrm_task(rtems_task_argument argument) //used with the waveform picker VHDL IP
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{
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/** This RTEMS task is dedicated to the transmission of snapshots of the NORMAL mode.
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*
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* @param unused is the starting argument of the RTEMS task
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*
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* The following data packets are sent by this task:
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* - TM_LFR_SCIENCE_NORMAL_SWF_F0
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* - TM_LFR_SCIENCE_NORMAL_SWF_F1
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* - TM_LFR_SCIENCE_NORMAL_SWF_F2
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*
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*/
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rtems_event_set event_out;
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rtems_id queue_id;
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rtems_status_code status;
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ring_node *ring_node_swf1_extracted_ptr;
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ring_node *ring_node_swf2_extracted_ptr;
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ring_node_swf1_extracted_ptr = (ring_node *) &ring_node_swf1_extracted;
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ring_node_swf2_extracted_ptr = (ring_node *) &ring_node_swf2_extracted;
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status = get_message_queue_id_send( &queue_id );
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if (status != RTEMS_SUCCESSFUL)
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{
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PRINTF1("in WFRM *** ERR get_message_queue_id_send %d\n", status);
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}
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BOOT_PRINTF("in WFRM ***\n");
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while(1){
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// wait for an RTEMS_EVENT
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rtems_event_receive(RTEMS_EVENT_MODE_NORMAL | RTEMS_EVENT_SWF_RESYNCH,
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RTEMS_WAIT | RTEMS_EVENT_ANY, RTEMS_NO_TIMEOUT, &event_out);
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if (event_out == RTEMS_EVENT_MODE_NORMAL)
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{
|
|
|
DEBUG_PRINTF("WFRM received RTEMS_EVENT_MODE_SBM2\n");
|
|
|
ring_node_to_send_swf_f0->sid = SID_NORM_SWF_F0;
|
|
|
ring_node_swf1_extracted_ptr->sid = SID_NORM_SWF_F1;
|
|
|
ring_node_swf2_extracted_ptr->sid = SID_NORM_SWF_F2;
|
|
|
status = rtems_message_queue_send( queue_id, &ring_node_to_send_swf_f0, sizeof( ring_node* ) );
|
|
|
status = rtems_message_queue_send( queue_id, &ring_node_swf1_extracted_ptr, sizeof( ring_node* ) );
|
|
|
status = rtems_message_queue_send( queue_id, &ring_node_swf2_extracted_ptr, sizeof( ring_node* ) );
|
|
|
}
|
|
|
if (event_out == RTEMS_EVENT_SWF_RESYNCH)
|
|
|
{
|
|
|
snapshot_resynchronization( (unsigned char *) &ring_node_to_send_swf_f0->coarseTime );
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
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;
|
|
|
ring_node ring_node_cwf3_light;
|
|
|
ring_node *ring_node_to_send_cwf;
|
|
|
|
|
|
status = get_message_queue_id_send( &queue_id );
|
|
|
if (status != RTEMS_SUCCESSFUL)
|
|
|
{
|
|
|
PRINTF1("in CWF3 *** ERR get_message_queue_id_send %d\n", status)
|
|
|
}
|
|
|
|
|
|
ring_node_to_send_cwf_f3->sid = SID_NORM_CWF_LONG_F3;
|
|
|
|
|
|
// init the ring_node_cwf3_light structure
|
|
|
ring_node_cwf3_light.buffer_address = (int) wf_cont_f3_light;
|
|
|
ring_node_cwf3_light.coarseTime = 0x00;
|
|
|
ring_node_cwf3_light.fineTime = 0x00;
|
|
|
ring_node_cwf3_light.next = NULL;
|
|
|
ring_node_cwf3_light.previous = NULL;
|
|
|
ring_node_cwf3_light.sid = SID_NORM_CWF_F3;
|
|
|
ring_node_cwf3_light.status = 0x00;
|
|
|
|
|
|
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) )
|
|
|
{
|
|
|
ring_node_to_send_cwf = getRingNodeToSendCWF( 3 );
|
|
|
if ( (parameter_dump_packet.sy_lfr_n_cwf_long_f3 & 0x01) == 0x01)
|
|
|
{
|
|
|
PRINTF("send CWF_LONG_F3\n");
|
|
|
ring_node_to_send_cwf_f3->sid = SID_NORM_CWF_LONG_F3;
|
|
|
status = rtems_message_queue_send( queue_id, &ring_node_to_send_cwf, sizeof( ring_node* ) );
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
PRINTF("send CWF_F3 (light)\n");
|
|
|
send_waveform_CWF3_light( ring_node_to_send_cwf, &ring_node_cwf3_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;
|
|
|
ring_node *ring_node_to_send;
|
|
|
unsigned long long int acquisitionTimeF0_asLong;
|
|
|
|
|
|
acquisitionTimeF0_asLong = 0x00;
|
|
|
|
|
|
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// send the snapshot when built
|
|
|
status = rtems_event_send( Task_id[TASKID_WFRM], RTEMS_EVENT_MODE_SBM2 );
|
|
|
rtems_event_receive( RTEMS_EVENT_MODE_NORM_S1_S2 | RTEMS_EVENT_MODE_BURST,
|
|
|
RTEMS_WAIT | RTEMS_EVENT_ANY, RTEMS_NO_TIMEOUT, &event_out);
|
|
|
ring_node_to_send = getRingNodeToSendCWF( 2 );
|
|
|
if (event_out == RTEMS_EVENT_MODE_BURST)
|
|
|
{ // data are sent whatever the transition time
|
|
|
status = rtems_message_queue_send( queue_id, &ring_node_to_send, sizeof( ring_node* ) );
|
|
|
}
|
|
|
else if (event_out == RTEMS_EVENT_MODE_NORM_S1_S2)
|
|
|
{
|
|
|
if ( lfrCurrentMode == LFR_MODE_SBM2 )
|
|
|
{
|
|
|
// data are sent depending on the transition time
|
|
|
if ( time_management_regs->coarse_time >= lastValidEnterModeTime)
|
|
|
{
|
|
|
status = rtems_message_queue_send( queue_id, &ring_node_to_send, sizeof( ring_node* ) );
|
|
|
}
|
|
|
}
|
|
|
// launch snapshot extraction if needed
|
|
|
if (extractSWF2 == 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, acquisitionTimeF0_asLong,
|
|
|
&ring_node_swf2_extracted, swf2_extracted );
|
|
|
extractSWF2 = false;
|
|
|
swf2_ready = true; // once the snapshot at f2 is ready the CWF1 task will send an event to WFRM
|
|
|
}
|
|
|
if (swf0_ready_flag_f2 == true)
|
|
|
{
|
|
|
extractSWF2 = true;
|
|
|
// record the acquition time of the f0 snapshot to use to build the snapshot at f2
|
|
|
acquisitionTimeF0_asLong = get_acquisition_time( (unsigned char *) &ring_node_to_send_swf_f0->coarseTime );
|
|
|
swf0_ready_flag_f2 = 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;
|
|
|
|
|
|
ring_node *ring_node_to_send_cwf;
|
|
|
|
|
|
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_NORM_S1_S2,
|
|
|
RTEMS_WAIT | RTEMS_EVENT_ANY, RTEMS_NO_TIMEOUT, &event_out);
|
|
|
ring_node_to_send_cwf = getRingNodeToSendCWF( 1 );
|
|
|
ring_node_to_send_cwf_f1->sid = SID_SBM1_CWF_F1;
|
|
|
if (lfrCurrentMode == LFR_MODE_SBM1)
|
|
|
{
|
|
|
// data are sent depending on the transition time
|
|
|
if ( time_management_regs->coarse_time >= lastValidEnterModeTime )
|
|
|
{
|
|
|
status = rtems_message_queue_send( queue_id, &ring_node_to_send_cwf, sizeof( ring_node* ) );
|
|
|
}
|
|
|
}
|
|
|
// launch snapshot extraction if needed
|
|
|
if (extractSWF1 == true)
|
|
|
{
|
|
|
ring_node_to_send_swf_f1 = ring_node_to_send_cwf;
|
|
|
// launch the snapshot extraction
|
|
|
status = rtems_event_send( Task_id[TASKID_SWBD], RTEMS_EVENT_MODE_NORM_S1_S2 );
|
|
|
extractSWF1 = false;
|
|
|
}
|
|
|
if (swf0_ready_flag_f1 == true)
|
|
|
{
|
|
|
extractSWF1 = true;
|
|
|
swf0_ready_flag_f1 = false; // this step shall be executed only one time
|
|
|
}
|
|
|
if ((swf1_ready == true) && (swf2_ready == true)) // swf_f1 is ready after the extraction
|
|
|
{
|
|
|
status = rtems_event_send( Task_id[TASKID_WFRM], RTEMS_EVENT_MODE_NORMAL );
|
|
|
swf1_ready = false;
|
|
|
swf2_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;
|
|
|
unsigned long long int acquisitionTimeF0_asLong;
|
|
|
|
|
|
acquisitionTimeF0_asLong = 0x00;
|
|
|
|
|
|
BOOT_PRINTF("in SWBD ***\n")
|
|
|
|
|
|
while(1){
|
|
|
// wait for an RTEMS_EVENT
|
|
|
rtems_event_receive( RTEMS_EVENT_MODE_NORM_S1_S2,
|
|
|
RTEMS_WAIT | RTEMS_EVENT_ANY, RTEMS_NO_TIMEOUT, &event_out);
|
|
|
if (event_out == RTEMS_EVENT_MODE_NORM_S1_S2)
|
|
|
{
|
|
|
acquisitionTimeF0_asLong = get_acquisition_time( (unsigned char *) &ring_node_to_send_swf_f0->coarseTime );
|
|
|
build_snapshot_from_ring( ring_node_to_send_swf_f1, 1, acquisitionTimeF0_asLong,
|
|
|
&ring_node_swf1_extracted, swf1_extracted );
|
|
|
swf1_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_ring( waveform_ring_f0, NB_RING_NODES_F0, wf_buffer_f0, WFRM_BUFFER );
|
|
|
// F1 RING
|
|
|
init_ring( waveform_ring_f1, NB_RING_NODES_F1, wf_buffer_f1, WFRM_BUFFER );
|
|
|
// F2 RING
|
|
|
init_ring( waveform_ring_f2, NB_RING_NODES_F2, wf_buffer_f2, WFRM_BUFFER );
|
|
|
// F3 RING
|
|
|
init_ring( waveform_ring_f3, NB_RING_NODES_F3, wf_buffer_f3, WFRM_BUFFER );
|
|
|
|
|
|
ring_node_swf1_extracted.buffer_address = (int) swf1_extracted;
|
|
|
ring_node_swf2_extracted.buffer_address = (int) swf2_extracted;
|
|
|
|
|
|
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)
|
|
|
DEBUG_PRINTF1("wf_buffer_f0 @%x\n", (unsigned int) wf_buffer_f0)
|
|
|
DEBUG_PRINTF1("wf_buffer_f1 @%x\n", (unsigned int) wf_buffer_f1)
|
|
|
DEBUG_PRINTF1("wf_buffer_f2 @%x\n", (unsigned int) wf_buffer_f2)
|
|
|
DEBUG_PRINTF1("wf_buffer_f3 @%x\n", (unsigned int) wf_buffer_f3)
|
|
|
|
|
|
}
|
|
|
|
|
|
void WFP_reset_current_ring_nodes( void )
|
|
|
{
|
|
|
current_ring_node_f0 = waveform_ring_f0[0].next;
|
|
|
current_ring_node_f1 = waveform_ring_f1[0].next;
|
|
|
current_ring_node_f2 = waveform_ring_f2[0].next;
|
|
|
current_ring_node_f3 = waveform_ring_f3[0].next;
|
|
|
|
|
|
ring_node_to_send_swf_f0 = waveform_ring_f0;
|
|
|
ring_node_to_send_swf_f1 = waveform_ring_f1;
|
|
|
ring_node_to_send_swf_f2 = waveform_ring_f2;
|
|
|
|
|
|
ring_node_to_send_cwf_f1 = waveform_ring_f1;
|
|
|
ring_node_to_send_cwf_f2 = waveform_ring_f2;
|
|
|
ring_node_to_send_cwf_f3 = waveform_ring_f3;
|
|
|
}
|
|
|
|
|
|
int send_waveform_CWF3_light( ring_node *ring_node_to_send, ring_node *ring_node_cwf3_light, 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;
|
|
|
rtems_status_code status;
|
|
|
|
|
|
char *sample;
|
|
|
int *dataPtr;
|
|
|
|
|
|
ret = LFR_DEFAULT;
|
|
|
|
|
|
dataPtr = (int*) ring_node_to_send->buffer_address;
|
|
|
|
|
|
ring_node_cwf3_light->coarseTime = ring_node_to_send->coarseTime;
|
|
|
ring_node_cwf3_light->fineTime = ring_node_to_send->fineTime;
|
|
|
|
|
|
//**********************
|
|
|
// BUILD CWF3_light DATA
|
|
|
for ( i=0; i< NB_SAMPLES_PER_SNAPSHOT; i++)
|
|
|
{
|
|
|
sample = (char*) &dataPtr[ (i * NB_WORDS_SWF_BLK) ];
|
|
|
wf_cont_f3_light[ (i * NB_BYTES_CWF3_LIGHT_BLK) ] = sample[ 0 ];
|
|
|
wf_cont_f3_light[ (i * NB_BYTES_CWF3_LIGHT_BLK) + 1 ] = sample[ 1 ];
|
|
|
wf_cont_f3_light[ (i * NB_BYTES_CWF3_LIGHT_BLK) + 2 ] = sample[ 2 ];
|
|
|
wf_cont_f3_light[ (i * NB_BYTES_CWF3_LIGHT_BLK) + 3 ] = sample[ 3 ];
|
|
|
wf_cont_f3_light[ (i * NB_BYTES_CWF3_LIGHT_BLK) + 4 ] = sample[ 4 ];
|
|
|
wf_cont_f3_light[ (i * NB_BYTES_CWF3_LIGHT_BLK) + 5 ] = sample[ 5 ];
|
|
|
}
|
|
|
|
|
|
// SEND PACKET
|
|
|
status = rtems_message_queue_send( queue_id, &ring_node_cwf3_light, sizeof( ring_node* ) );
|
|
|
if (status != RTEMS_SUCCESSFUL) {
|
|
|
ret = LFR_DEFAULT;
|
|
|
}
|
|
|
|
|
|
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\n", 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 long long int acquisitionTimeF0_asLong,
|
|
|
ring_node *ring_node_swf_extracted,
|
|
|
int *swf_extracted)
|
|
|
{
|
|
|
unsigned int i;
|
|
|
unsigned long long int centerTime_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 => the value is passed in argument
|
|
|
|
|
|
// (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);
|
|
|
bufferAcquisitionTime_asLong = get_acquisition_time( (unsigned char *) &ring_node_to_send->coarseTime );
|
|
|
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 = %lld, nbSamplesPart1_asLong = %lld\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;
|
|
|
// fine time
|
|
|
ptr2 = (unsigned char*) &ring_node_swf_extracted->fineTime;
|
|
|
ptr2[2] = ptr1[ 4 + 2 ];
|
|
|
ptr2[3] = ptr1[ 5 + 2 ];
|
|
|
// coarse time
|
|
|
ptr2 = (unsigned char*) &ring_node_swf_extracted->coarseTime;
|
|
|
ptr2[0] = ptr1[ 0 + 2 ];
|
|
|
ptr2[1] = ptr1[ 1 + 2 ];
|
|
|
ptr2[2] = ptr1[ 2 + 2 ];
|
|
|
ptr2[3] = ptr1[ 3 + 2 ];
|
|
|
|
|
|
// re set the synchronization bit
|
|
|
timeCharPtr = (unsigned char*) &ring_node_to_send->coarseTime;
|
|
|
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++ )
|
|
|
{
|
|
|
swf_extracted[i] =
|
|
|
((int*) ring_node_to_send->buffer_address)[ i + (sampleOffset_asLong * NB_WORDS_SWF_BLK) ];
|
|
|
}
|
|
|
// 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++ )
|
|
|
{
|
|
|
swf_extracted[i] =
|
|
|
((int*) ring_node_to_send->buffer_address)[ (i-(nbSamplesPart1_asLong * NB_WORDS_SWF_BLK)) ];
|
|
|
}
|
|
|
}
|
|
|
|
|
|
double computeCorrection( unsigned char *timePtr )
|
|
|
{
|
|
|
unsigned long long int acquisitionTime;
|
|
|
unsigned long long int centerTime;
|
|
|
unsigned long long int previousTick;
|
|
|
unsigned long long int nextTick;
|
|
|
unsigned long long int deltaPreviousTick;
|
|
|
unsigned long long int deltaNextTick;
|
|
|
double deltaPrevious_ms;
|
|
|
double deltaNext_ms;
|
|
|
double correctionInF2;
|
|
|
|
|
|
// get acquisition time in fine time ticks
|
|
|
acquisitionTime = get_acquisition_time( timePtr );
|
|
|
|
|
|
// compute center time
|
|
|
centerTime = acquisitionTime + 2731; // (2048. / 24576. / 2.) * 65536. = 2730.667;
|
|
|
previousTick = centerTime - (centerTime & 0xffff);
|
|
|
nextTick = previousTick + 65536;
|
|
|
|
|
|
deltaPreviousTick = centerTime - previousTick;
|
|
|
deltaNextTick = nextTick - centerTime;
|
|
|
|
|
|
deltaPrevious_ms = ((double) deltaPreviousTick) / 65536. * 1000.;
|
|
|
deltaNext_ms = ((double) deltaNextTick) / 65536. * 1000.;
|
|
|
|
|
|
PRINTF2(" delta previous = %.3f ms, delta next = %.2f ms\n", deltaPrevious_ms, deltaNext_ms);
|
|
|
|
|
|
// which tick is the closest?
|
|
|
if (deltaPreviousTick > deltaNextTick)
|
|
|
{
|
|
|
// the snapshot center is just before the second => increase delta_snapshot
|
|
|
correctionInF2 = + (deltaNext_ms * 256. / 1000. );
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
// the snapshot center is just after the second => decrease delta_snapshot
|
|
|
correctionInF2 = - (deltaPrevious_ms * 256. / 1000. );
|
|
|
}
|
|
|
|
|
|
PRINTF1(" correctionInF2 = %.2f\n", correctionInF2);
|
|
|
|
|
|
return correctionInF2;
|
|
|
}
|
|
|
|
|
|
void applyCorrection( double correction )
|
|
|
{
|
|
|
int correctionInt;
|
|
|
|
|
|
if (correction >= 0.)
|
|
|
{
|
|
|
if ( (1. > correction) && (correction > 0.5) )
|
|
|
{
|
|
|
correctionInt = 1;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
correctionInt = 2 * floor(correction);
|
|
|
}
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
if ( (-1. < correction) && (correction < -0.5) )
|
|
|
{
|
|
|
correctionInt = -1;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
correctionInt = 2 * ceil(correction);
|
|
|
}
|
|
|
}
|
|
|
waveform_picker_regs->delta_snapshot = waveform_picker_regs->delta_snapshot + correctionInt;
|
|
|
}
|
|
|
|
|
|
void snapshot_resynchronization( unsigned char *timePtr )
|
|
|
{
|
|
|
/** This function compute a correction to apply on delta_snapshot.
|
|
|
*
|
|
|
*
|
|
|
* @param timePtr is a pointer to the acquisition time of the snapshot being considered.
|
|
|
*
|
|
|
* @return void
|
|
|
*
|
|
|
*/
|
|
|
|
|
|
static double correction = 0.;
|
|
|
static resynchro_state state = MEASURE;
|
|
|
static unsigned int nbSnapshots = 0;
|
|
|
|
|
|
int correctionInt;
|
|
|
|
|
|
correctionInt = 0;
|
|
|
|
|
|
switch (state)
|
|
|
{
|
|
|
|
|
|
case MEASURE:
|
|
|
// ********
|
|
|
PRINTF1("MEASURE === %d\n", nbSnapshots);
|
|
|
state = CORRECTION;
|
|
|
correction = computeCorrection( timePtr );
|
|
|
PRINTF1("MEASURE === correction = %.2f\n", correction );
|
|
|
applyCorrection( correction );
|
|
|
PRINTF1("MEASURE === delta_snapshot = %d\n", waveform_picker_regs->delta_snapshot);
|
|
|
//****
|
|
|
break;
|
|
|
|
|
|
case CORRECTION:
|
|
|
//************
|
|
|
PRINTF1("CORRECTION === %d\n", nbSnapshots);
|
|
|
state = MEASURE;
|
|
|
computeCorrection( timePtr );
|
|
|
set_wfp_delta_snapshot();
|
|
|
PRINTF1("CORRECTION === delta_snapshot = %d\n", waveform_picker_regs->delta_snapshot);
|
|
|
//****
|
|
|
break;
|
|
|
|
|
|
default:
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
|
|
|
nbSnapshots++;
|
|
|
}
|
|
|
|
|
|
//**************
|
|
|
// 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.
|
|
|
*
|
|
|
*/
|
|
|
|
|
|
// [1000 000] burst f2, f1, f0 enable f3, f2, f1, f0
|
|
|
waveform_picker_regs->run_burst_enable = waveform_picker_regs->run_burst_enable & 0x80;
|
|
|
}
|
|
|
|
|
|
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 = 0xffff;
|
|
|
}
|
|
|
|
|
|
void reset_wfp_buffer_addresses( void )
|
|
|
{
|
|
|
// F0
|
|
|
waveform_picker_regs->addr_data_f0_0 = current_ring_node_f0->previous->buffer_address; // 0x08
|
|
|
waveform_picker_regs->addr_data_f0_1 = current_ring_node_f0->buffer_address; // 0x0c
|
|
|
// F1
|
|
|
waveform_picker_regs->addr_data_f1_0 = current_ring_node_f1->previous->buffer_address; // 0x10
|
|
|
waveform_picker_regs->addr_data_f1_1 = current_ring_node_f1->buffer_address; // 0x14
|
|
|
// F2
|
|
|
waveform_picker_regs->addr_data_f2_0 = current_ring_node_f2->previous->buffer_address; // 0x18
|
|
|
waveform_picker_regs->addr_data_f2_1 = current_ring_node_f2->buffer_address; // 0x1c
|
|
|
// F3
|
|
|
waveform_picker_regs->addr_data_f3_0 = current_ring_node_f3->previous->buffer_address; // 0x20
|
|
|
waveform_picker_regs->addr_data_f3_1 = current_ring_node_f3->buffer_address; // 0x24
|
|
|
}
|
|
|
|
|
|
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 (obsolet parameter)
|
|
|
* - 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 ]
|
|
|
|
|
|
reset_wfp_buffer_addresses();
|
|
|
|
|
|
reset_wfp_status(); // 0x18
|
|
|
|
|
|
set_wfp_delta_snapshot(); // 0x1c *** 300 s => 0x12bff
|
|
|
|
|
|
set_wfp_delta_f0_f0_2(); // 0x20, 0x24
|
|
|
|
|
|
//the parameter delta_f1 [0x28] is not used anymore
|
|
|
|
|
|
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 = 0x7fffffff; // 0x38
|
|
|
//
|
|
|
// coarse time and fine time registers are not initialized, they are volatile
|
|
|
//
|
|
|
waveform_picker_regs->buffer_length = 0x1f8;// buffer length in burst = 3 * 2688 / 16 = 504 = 0x1f8
|
|
|
}
|
|
|
|
|
|
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.sy_lfr_common_parameters;
|
|
|
|
|
|
waveform_picker_regs->data_shaping =
|
|
|
( (data_shaping & 0x20) >> 5 ) // BW
|
|
|
+ ( (data_shaping & 0x10) >> 3 ) // SP0
|
|
|
+ ( (data_shaping & 0x08) >> 1 ) // SP1
|
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|
+ ( (data_shaping & 0x04) << 1 ) // R0
|
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|
+ ( (data_shaping & 0x02) << 3 ) // R1
|
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|
+ ( (data_shaping & 0x01) << 5 ); // R2
|
|
|
}
|
|
|
|
|
|
void set_wfp_burst_enable_register( unsigned char mode )
|
|
|
{
|
|
|
/** This function sets the waveform picker burst_enable register depending on the mode.
|
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|
*
|
|
|
* @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:
|
|
|
case LFR_MODE_SBM1:
|
|
|
case LFR_MODE_SBM2:
|
|
|
waveform_picker_regs->run_burst_enable = 0x60; // [0110 0000] enable f2 and f1 burst
|
|
|
waveform_picker_regs->run_burst_enable = waveform_picker_regs->run_burst_enable | 0x0f; // [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 | 0x0c; // [1100] enable f3 and f2
|
|
|
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 = 0x30; // 48 = 11 0000, max 7 bits
|
|
|
}
|
|
|
|
|
|
void set_wfp_delta_f1( void )
|
|
|
{
|
|
|
/** Sets the value of the delta_f1 parameter
|
|
|
*
|
|
|
* @param void
|
|
|
*
|
|
|
* @return void
|
|
|
*
|
|
|
* delta_f1 is not used, the snapshots are extracted from CWF_F1 waveforms.
|
|
|
*
|
|
|
*/
|
|
|
|
|
|
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( void ) // parameter not used, only delta_f0 and delta_f0_2 are used
|
|
|
{
|
|
|
/** Sets the value of the delta_f2 parameter
|
|
|
*
|
|
|
* @param void
|
|
|
*
|
|
|
* @return void
|
|
|
*
|
|
|
* delta_f2 is used only for the first snapshot generation, even when the snapshots are extracted from CWF_F2
|
|
|
* waveforms (see lpp_waveform_snapshot_controler.vhd for details).
|
|
|
*
|
|
|
*/
|
|
|
|
|
|
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 - 1;
|
|
|
}
|
|
|
|
|
|
//*****************
|
|
|
// 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;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
//*************************************
|
|
|
// RESTORE THE MODE OF THE CALLING TASK
|
|
|
status = rtems_task_mode( initial_mode_set, RTEMS_PREEMPT_MASK, ¤t_mode_set );
|
|
|
}
|
|
|
|
