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All modes partially implemented...
All modes partially implemented HK packets improved, information added => software version => current mode => last tc received => last tc rejected
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fsw_processing.c
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#include <fsw_processing.h>
#include <math.h>
#include <fsw_processing_globals.c>
//***********************************************************
// Interrupt Service Routine for spectral matrices processing
rtems_isr spectral_matrices_isr( rtems_vector_number vector )
{
if (rtems_event_send( Task_id[TASKID_SMIQ], RTEMS_EVENT_0 ) != RTEMS_SUCCESSFUL) {
printf("in spectral_matrices_isr *** Error sending event to AVF0\n");
}
}
//************
// RTEMS TASKS
rtems_task smiq_task(rtems_task_argument argument) // process the Spectral Matrices IRQ
{
rtems_event_set event_out;
unsigned char nb_interrupt_f0 = 0;
PRINTF("in SMIQ *** \n")
while(1){
rtems_event_receive(RTEMS_EVENT_0, RTEMS_WAIT, RTEMS_NO_TIMEOUT, &event_out); // wait for an RTEMS_EVENT0
nb_interrupt_f0 = nb_interrupt_f0 + 1;
if (nb_interrupt_f0 == (NB_SM_TO_RECEIVE_BEFORE_AVF0-1) ){
if (rtems_event_send( Task_id[TASKID_AVF0], RTEMS_EVENT_0 ) != RTEMS_SUCCESSFUL)
printf("in SMIQ *** Error sending event to AVF0\n");
nb_interrupt_f0 = 0;
}
}
}
rtems_task spw_bppr_task(rtems_task_argument argument)
{
rtems_status_code status;
rtems_event_set event_out;
static int Nb_average_f0 = 0;
//static int nb_average_f1 = 0;
//static int nb_average_f2 = 0;
spectral_matrices_regs = (struct spectral_matrices_regs_str *) REGS_ADDR_SPECTRAL_MATRICES;
spectral_matrices_regs->address0 = (volatile int) spec_mat_f0_a;
spectral_matrices_regs->address1 = (volatile int) spec_mat_f0_b;
printf("in BPPR ***\n");
while(true){ // wait for an event to begin with the processing
status = rtems_event_receive(RTEMS_EVENT_0, RTEMS_WAIT, RTEMS_NO_TIMEOUT, &event_out);
if (status == RTEMS_SUCCESSFUL) {
if ((spectral_matrices_regs->ctrl & 0x00000001)==1) {
matrix_average(spec_mat_f0_a, averaged_spec_mat_f0);
spectral_matrices_regs->ctrl = spectral_matrices_regs->ctrl & 0xfffffffe;
//printf("f0_a\n");
Nb_average_f0++;
}
if (((spectral_matrices_regs->ctrl>>1) & 0x00000001)==1) {
matrix_average(spec_mat_f0_b, compressed_spec_mat_f0);
spectral_matrices_regs->ctrl = spectral_matrices_regs->ctrl & 0xfffffffd;
//printf("f0_b\n");
Nb_average_f0++;
}
if (Nb_average_f0 == NB_AVERAGE_NORMAL_f0) {
matrix_compression(averaged_spec_mat_f0, 0, compressed_spec_mat_f0);
//printf("f0 compressed\n");
Nb_average_f0 = 0;
matrix_reset(averaged_spec_mat_f0);
}
}
}
}
rtems_task avf0_task(rtems_task_argument argument){
int i;
static int nb_average;
rtems_event_set event_out;
rtems_status_code status;
spectral_matrices_regs = (struct spectral_matrices_regs_str *) REGS_ADDR_SPECTRAL_MATRICES;
spectral_matrices_regs->address0 = (volatile int) spec_mat_f0_a;
spectral_matrices_regs->address1 = (volatile int) spec_mat_f0_b;
nb_average = 0;
PRINTF("in AVFO *** \n")
while(1){
rtems_event_receive(RTEMS_EVENT_0, RTEMS_WAIT, RTEMS_NO_TIMEOUT, &event_out); // wait for an RTEMS_EVENT0
for(i=0; i<TOTAL_SIZE_SPEC_MAT; i++){
averaged_spec_mat_f0[i] = averaged_spec_mat_f0[i] + spec_mat_f0_a[i]
+ spec_mat_f0_b[i]
+ spec_mat_f0_c[i]
+ spec_mat_f0_d[i]
+ spec_mat_f0_e[i]
+ spec_mat_f0_f[i]
+ spec_mat_f0_g[i]
+ spec_mat_f0_h[i];
}
spectral_matrices_regs->ctrl = spectral_matrices_regs->ctrl & 0xfffffffe; // reset the appropriate bit in the register
nb_average = nb_average + NB_SM_TO_RECEIVE_BEFORE_AVF0;
if (nb_average == NB_AVERAGE_NORMAL_f0) {
nb_average = 0;
status = rtems_event_send( Task_id[7], RTEMS_EVENT_0 ); // sending an event to the task 7, BPF0
if (status != RTEMS_SUCCESSFUL) {
printf("iN TASK AVF0 *** Error sending RTEMS_EVENT_0, code %d\n", status);
}
}
}
}
rtems_task bpf0_task(rtems_task_argument argument){
rtems_event_set event_out;
PRINTF("in BPFO *** \n")
while(1){
rtems_event_receive(RTEMS_EVENT_0, RTEMS_WAIT, RTEMS_NO_TIMEOUT, &event_out); // wait for an RTEMS_EVENT0
matrix_compression(averaged_spec_mat_f0, 0, compressed_spec_mat_f0);
BP1_set(compressed_spec_mat_f0, NB_BINS_COMPRESSED_MATRIX_f0, LFR_BP1_F0);
//PRINTF("IN TASK BPF0 *** Matrix compressed, parameters calculated\n")
}
}
//*****************************
// Spectral matrices processing
void matrix_average(volatile int *spec_mat, float *averaged_spec_mat)
{
int i;
for(i=0; i<TOTAL_SIZE_SPEC_MAT; i++){
averaged_spec_mat[i] = averaged_spec_mat[i] + spec_mat_f0_a[i]
+ spec_mat_f0_b[i]
+ spec_mat_f0_c[i]
+ spec_mat_f0_d[i]
+ spec_mat_f0_e[i]
+ spec_mat_f0_f[i]
+ spec_mat_f0_g[i]
+ spec_mat_f0_h[i];
}
}
void matrix_reset(float *averaged_spec_mat)
{
int i;
for(i=0; i<TOTAL_SIZE_SPEC_MAT; i++){
averaged_spec_mat_f0[i] = 0;
}
}
void matrix_compression(float *averaged_spec_mat, unsigned char fChannel, float *compressed_spec_mat)
{
int i;
int j;
switch (fChannel){
case 0:
for(i=0;i<NB_BINS_COMPRESSED_MATRIX_f0;i++){
j = 17 + (i * 8);
compressed_spec_mat[i] = (averaged_spec_mat[j]
+ averaged_spec_mat[j+1]
+ averaged_spec_mat[j+2]
+ averaged_spec_mat[j+3]
+ averaged_spec_mat[j+4]
+ averaged_spec_mat[j+5]
+ averaged_spec_mat[j+6]
+ averaged_spec_mat[j+7])/(8*NB_AVERAGE_NORMAL_f0);
}
break;
case 1:
// case fChannel = f1 to be completed later
break;
case 2:
// case fChannel = f1 to be completed later
break;
default:
break;
}
}
void BP1_set(float * compressed_spec_mat, unsigned char nb_bins_compressed_spec_mat, unsigned char * LFR_BP1){
int i;
int j;
unsigned char tmp_u_char;
unsigned char * pt_char = NULL;
float PSDB, PSDE;
float NVEC_V0;
float NVEC_V1;
float NVEC_V2;
//float significand;
//int exponent;
float aux;
float tr_SB_SB;
float tmp;
float sx_re;
float sx_im;
float nebx_re = 0;
float nebx_im = 0;
float ny = 0;
float nz = 0;
float bx_bx_star = 0;
for(i=0; i<nb_bins_compressed_spec_mat; i++){
//==============================================
// BP1 PSD == B PAR_LFR_SC_BP1_PE_FL0 == 16 bits
PSDB = compressed_spec_mat[i*30] // S11
+ compressed_spec_mat[(i*30) + 10] // S22
+ compressed_spec_mat[(i*30) + 18]; // S33
//significand = frexp(PSDB, &exponent);
pt_char = (unsigned char*) &PSDB;
LFR_BP1[(i*9) + 2] = pt_char[0]; // bits 31 downto 24 of the float
LFR_BP1[(i*9) + 3] = pt_char[1]; // bits 23 downto 16 of the float
//==============================================
// BP1 PSD == E PAR_LFR_SC_BP1_PB_FL0 == 16 bits
PSDE = compressed_spec_mat[(i*30) + 24] * K44_pe // S44
+ compressed_spec_mat[(i*30) + 28] * K55_pe // S55
+ compressed_spec_mat[(i*30) + 26] * K45_pe_re // S45
- compressed_spec_mat[(i*30) + 27] * K45_pe_im; // S45
pt_char = (unsigned char*) &PSDE;
LFR_BP1[(i*9) + 0] = pt_char[0]; // bits 31 downto 24 of the float
LFR_BP1[(i*9) + 1] = pt_char[1]; // bits 23 downto 16 of the float
//==============================================================================
// BP1 normal wave vector == PAR_LFR_SC_BP1_NVEC_V0_F0 == 8 bits
// == PAR_LFR_SC_BP1_NVEC_V1_F0 == 8 bits
// == PAR_LFR_SC_BP1_NVEC_V2_F0 == 1 bits
tmp = sqrt(
compressed_spec_mat[(i*30) + 3]*compressed_spec_mat[(i*30) + 3] //Im S12
+compressed_spec_mat[(i*30) + 5]*compressed_spec_mat[(i*30) + 5] //Im S13
+compressed_spec_mat[(i*30) + 13]*compressed_spec_mat[(i*30) + 13] //Im S23
);
NVEC_V0 = compressed_spec_mat[(i*30) + 13] / tmp; // Im S23
NVEC_V1 = -compressed_spec_mat[(i*30) + 5] / tmp; // Im S13
NVEC_V2 = compressed_spec_mat[(i*30) + 3] / tmp; // Im S12
LFR_BP1[(i*9) + 4] = (char) (NVEC_V0*127);
LFR_BP1[(i*9) + 5] = (char) (NVEC_V1*127);
pt_char = (unsigned char*) &NVEC_V2;
LFR_BP1[(i*9) + 6] = pt_char[0] & 0x80; // extract the sign of NVEC_V2
//=======================================================
// BP1 ellipticity == PAR_LFR_SC_BP1_ELLIP_F0 == 4 bits
aux = 2*tmp / PSDB; // compute the ellipticity
tmp_u_char = (unsigned char) (aux*(16-1)); // convert the ellipticity
LFR_BP1[i*9+6] = LFR_BP1[i*9+6] | ((tmp_u_char&0x0f)<<3); // keeps 4 bits of the resulting unsigned char
//==============================================================
// BP1 degree of polarization == PAR_LFR_SC_BP1_DOP_F0 == 3 bits
for(j = 0; j<NB_VALUES_PER_spec_mat;j++){
tr_SB_SB = compressed_spec_mat[i*30] * compressed_spec_mat[i*30]
+ compressed_spec_mat[(i*30) + 10] * compressed_spec_mat[(i*30) + 10]
+ compressed_spec_mat[(i*30) + 18] * compressed_spec_mat[(i*30) + 18]
+ 2 * compressed_spec_mat[(i*30) + 2] * compressed_spec_mat[(i*30) + 2]
+ 2 * compressed_spec_mat[(i*30) + 3] * compressed_spec_mat[(i*30) + 3]
+ 2 * compressed_spec_mat[(i*30) + 4] * compressed_spec_mat[(i*30) + 4]
+ 2 * compressed_spec_mat[(i*30) + 5] * compressed_spec_mat[(i*30) + 5]
+ 2 * compressed_spec_mat[(i*30) + 12] * compressed_spec_mat[(i*30) + 12]
+ 2 * compressed_spec_mat[(i*30) + 13] * compressed_spec_mat[(i*30) + 13];
}
aux = PSDB*PSDB;
tmp = sqrt( abs( ( 3*tr_SB_SB - aux ) / ( 2 * aux ) ) );
tmp_u_char = (unsigned char) (NVEC_V0*(8-1));
LFR_BP1[(i*9) + 6] = LFR_BP1[(i*9) + 6] | (tmp_u_char & 0x07); // keeps 3 bits of the resulting unsigned char
//=======================================================================================
// BP1 x-component of the normalized Poynting flux == PAR_LFR_SC_BP1_SZ_F0 == 8 bits (7+1)
sx_re = compressed_spec_mat[(i*30) + 20] * K34_sx_re
+ compressed_spec_mat[(i*30) + 6] * K14_sx_re
+ compressed_spec_mat[(i*30) + 8] * K15_sx_re
+ compressed_spec_mat[(i*30) + 14] * K24_sx_re
+ compressed_spec_mat[(i*30) + 16] * K25_sx_re
+ compressed_spec_mat[(i*30) + 22] * K35_sx_re;
sx_im = compressed_spec_mat[(i*30) + 21] * K34_sx_im
+ compressed_spec_mat[(i*30) + 7] * K14_sx_im
+ compressed_spec_mat[(i*30) + 9] * K15_sx_im
+ compressed_spec_mat[(i*30) + 15] * K24_sx_im
+ compressed_spec_mat[(i*30) + 17] * K25_sx_im
+ compressed_spec_mat[(i*30) + 23] * K35_sx_im;
LFR_BP1[(i*9) + 7] = ((unsigned char) (sx_re * 128)) & 0x7f; // cf DOC for the compression
if ( abs(sx_re) > abs(sx_im) ) {
LFR_BP1[(i*9) + 7] = LFR_BP1[(i*9) + 1] | (0x80); // extract the sector of sx
}
else {
LFR_BP1[(i*9) + 7] = LFR_BP1[(i*9) + 1] & (0x7f); // extract the sector of sx
}
//======================================================================
// BP1 phase velocity estimator == PAR_LFR_SC_BP1_VPHI_F0 == 8 bits (7+1)
ny = sin(Alpha_M)*NVEC_V1 + cos(Alpha_M)*NVEC_V2;
nz = NVEC_V0;
bx_bx_star = cos(Alpha_M) * cos(Alpha_M) * compressed_spec_mat[i*30+10] // re S22
+ sin(Alpha_M) * sin(Alpha_M) * compressed_spec_mat[i*30+18] // re S33
- 2 * sin(Alpha_M) * cos(Alpha_M) * compressed_spec_mat[i*30+12]; // re S23
nebx_re = ny * (compressed_spec_mat[(i*30) + 14] * K24_ny_re
+compressed_spec_mat[(i*30) + 16] * K25_ny_re
+compressed_spec_mat[(i*30) + 20] * K34_ny_re
+compressed_spec_mat[(i*30) + 22] * K35_ny_re)
+ nz * (compressed_spec_mat[(i*30) + 14] * K24_nz_re
+compressed_spec_mat[(i*30) + 16] * K25_nz_re
+compressed_spec_mat[(i*30) + 20] * K34_nz_re
+compressed_spec_mat[(i*30) + 22] * K35_nz_re);
nebx_im = ny * (compressed_spec_mat[(i*30) + 15]*K24_ny_re
+compressed_spec_mat[(i*30) + 17] * K25_ny_re
+compressed_spec_mat[(i*30) + 21] * K34_ny_re
+compressed_spec_mat[(i*30) + 23] * K35_ny_re)
+ nz * (compressed_spec_mat[(i*30) + 15] * K24_nz_im
+compressed_spec_mat[(i*30) + 17] * K25_nz_im
+compressed_spec_mat[(i*30) + 21] * K34_nz_im
+compressed_spec_mat[(i*30) + 23] * K35_nz_im);
tmp = nebx_re / bx_bx_star;
LFR_BP1[(i*9) + 8] = ((unsigned char) (tmp * 128)) & 0x7f; // cf DOC for the compression
if ( abs(nebx_re) > abs(nebx_im) ) {
LFR_BP1[(i*9) + 8] = LFR_BP1[(i*9) + 8] | (0x80); // extract the sector of nebx
}
else {
LFR_BP1[(i*9) + 8] = LFR_BP1[(i*9) + 8] & (0x7f); // extract the sector of nebx
}
}
}
void BP2_set(float * compressed_spec_mat, unsigned char nb_bins_compressed_spec_mat){
// BP2 autocorrelation
int i;
int aux = 0;
for(i = 0; i<nb_bins_compressed_spec_mat; i++){
// S12
aux = sqrt(compressed_spec_mat[i*30]*compressed_spec_mat[(i*30) + 10]);
compressed_spec_mat[(i*30) + 2] = compressed_spec_mat[(i*30) + 2] / aux;
compressed_spec_mat[(i*30) + 3] = compressed_spec_mat[(i*30) + 3] / aux;
// S13
aux = sqrt(compressed_spec_mat[i*30]*compressed_spec_mat[(i*30) + 18]);
compressed_spec_mat[(i*30) + 4] = compressed_spec_mat[(i*30) + 4] / aux;
compressed_spec_mat[(i*30) + 5] = compressed_spec_mat[(i*30) + 5] / aux;
// S23
aux = sqrt(compressed_spec_mat[i*30+12]*compressed_spec_mat[(i*30) + 18]);
compressed_spec_mat[(i*30) + 12] = compressed_spec_mat[(i*30) + 12] / aux;
compressed_spec_mat[(i*30) + 13] = compressed_spec_mat[(i*30) + 13] / aux;
// S45
aux = sqrt(compressed_spec_mat[i*30+24]*compressed_spec_mat[(i*30) + 28]);
compressed_spec_mat[(i*30) + 26] = compressed_spec_mat[(i*30) + 26] / aux;
compressed_spec_mat[(i*30) + 27] = compressed_spec_mat[(i*30) + 27] / aux;
// S14
aux = sqrt(compressed_spec_mat[i*30]*compressed_spec_mat[(i*30) +24]);
compressed_spec_mat[(i*30) + 6] = compressed_spec_mat[(i*30) + 6] / aux;
compressed_spec_mat[(i*30) + 7] = compressed_spec_mat[(i*30) + 7] / aux;
// S15
aux = sqrt(compressed_spec_mat[i*30]*compressed_spec_mat[(i*30) + 28]);
compressed_spec_mat[(i*30) + 8] = compressed_spec_mat[(i*30) + 8] / aux;
compressed_spec_mat[(i*30) + 9] = compressed_spec_mat[(i*30) + 9] / aux;
// S24
aux = sqrt(compressed_spec_mat[i*10]*compressed_spec_mat[(i*30) + 24]);
compressed_spec_mat[(i*30) + 14] = compressed_spec_mat[(i*30) + 14] / aux;
compressed_spec_mat[(i*30) + 15] = compressed_spec_mat[(i*30) + 15] / aux;
// S25
aux = sqrt(compressed_spec_mat[i*10]*compressed_spec_mat[(i*30) + 28]);
compressed_spec_mat[(i*30) + 16] = compressed_spec_mat[(i*30) + 16] / aux;
compressed_spec_mat[(i*30) + 17] = compressed_spec_mat[(i*30) + 17] / aux;
// S34
aux = sqrt(compressed_spec_mat[i*18]*compressed_spec_mat[(i*30) + 24]);
compressed_spec_mat[(i*30) + 20] = compressed_spec_mat[(i*30) + 20] / aux;
compressed_spec_mat[(i*30) + 21] = compressed_spec_mat[(i*30) + 21] / aux;
// S35
aux = sqrt(compressed_spec_mat[i*18]*compressed_spec_mat[(i*30) + 28]);
compressed_spec_mat[(i*30) + 22] = compressed_spec_mat[(i*30) + 22] / aux;
compressed_spec_mat[(i*30) + 23] = compressed_spec_mat[(i*30) + 23] / aux;
}
}