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authorKinsey Moore <kmoore@digium.com>2012-03-22 19:51:16 +0000
committerKinsey Moore <kmoore@digium.com>2012-03-22 19:51:16 +0000
commitc5b3db1956a3db2446b0310b3a7d59961fe3e089 (patch)
tree530b55034f5adfb0c7106ae1194679a031afc888 /main/fskmodem_float.c
parent1d1c28ac4b09df2b663123e55239e411b8f5ad26 (diff)
Kill off red blobs in most of main/*
Everything still compiled after making these changes, so I assume these whitespace-only changes didn't break anything (and shouldn't have). git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@360190 65c4cc65-6c06-0410-ace0-fbb531ad65f3
Diffstat (limited to 'main/fskmodem_float.c')
-rw-r--r--main/fskmodem_float.c84
1 files changed, 42 insertions, 42 deletions
diff --git a/main/fskmodem_float.c b/main/fskmodem_float.c
index bc873eac5..6bf2c7553 100644
--- a/main/fskmodem_float.c
+++ b/main/fskmodem_float.c
@@ -4,7 +4,7 @@
* Copyright (C) 1999 - 2005, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
- *
+ *
* Includes code and algorithms from the Zapata library.
*
* See http://www.asterisk.org for more information about
@@ -20,7 +20,7 @@
/*! \file
*
- * \brief FSK Modulator/Demodulator
+ * \brief FSK Modulator/Demodulator
*
* \author Mark Spencer <markster@digium.com>
*
@@ -58,23 +58,23 @@ static inline float get_sample(short **buffer, int *len)
#define GET_SAMPLE get_sample(&buffer, len)
/*! \brief Coefficients for input filters
- * Coefficients table, generated by program "mkfilter"
+ * Coefficients table, generated by program "mkfilter"
* mkfilter is part of the zapatatelephony.org distribution
* Format: coef[IDX_FREC][IDX_BW][IDX_COEF]
- * IDX_COEF = 0 => 1/GAIN
- * IDX_COEF = 1-6 => Coefficientes y[n]
+ * IDX_COEF = 0 => 1/GAIN
+ * IDX_COEF = 1-6 => Coefficientes y[n]
*/
static double coef_in[NF][NBW][8] = {
{
- { 1.8229206611e-04,-7.8997325866e-01,2.2401819940e+00,-4.6751353581e+00,5.5080745712e+00,-5.0571565772e+00,2.6215820004e+00,0.0000000000e+00, },
- { 9.8532175289e-02,-5.6297236492e-02,3.3146713415e-01,-9.2239200436e-01,1.4844365184e+00,-2.0183258642e+00,2.0074154497e+00,0.0000000000e+00, },
- },
- {
- { 1.8229206610e-04,-7.8997325866e-01,7.7191410839e-01,-2.8075643964e+00,1.6948618347e+00,-3.0367273700e+00,9.0333559408e-01,0.0000000000e+00, } ,
- { 9.8531161839e-02,-5.6297236492e-02,1.1421579050e-01,-4.8122536483e-01,4.0121072432e-01,-7.4834487567e-01,6.9170822332e-01,0.0000000000e+00, },
+ { 1.8229206611e-04,-7.8997325866e-01,2.2401819940e+00,-4.6751353581e+00,5.5080745712e+00,-5.0571565772e+00,2.6215820004e+00,0.0000000000e+00, },
+ { 9.8532175289e-02,-5.6297236492e-02,3.3146713415e-01,-9.2239200436e-01,1.4844365184e+00,-2.0183258642e+00,2.0074154497e+00,0.0000000000e+00, },
+ },
+ {
+ { 1.8229206610e-04,-7.8997325866e-01,7.7191410839e-01,-2.8075643964e+00,1.6948618347e+00,-3.0367273700e+00,9.0333559408e-01,0.0000000000e+00, },
+ { 9.8531161839e-02,-5.6297236492e-02,1.1421579050e-01,-4.8122536483e-01,4.0121072432e-01,-7.4834487567e-01,6.9170822332e-01,0.0000000000e+00, },
},
{
- { 1.8229206611e-04,-7.8997325866e-01,2.9003821430e+00,-6.1082779024e+00,7.7169345751e+00,-6.6075999680e+00,3.3941838836e+00,0.0000000000e+00, },
+ { 1.8229206611e-04,-7.8997325866e-01,2.9003821430e+00,-6.1082779024e+00,7.7169345751e+00,-6.6075999680e+00,3.3941838836e+00,0.0000000000e+00, },
{ 9.8539686961e-02,-5.6297236492e-02,4.2915323820e-01,-1.2609358633e+00,2.2399213250e+00,-2.9928879142e+00,2.5990173742e+00,0.0000000000e+00, },
},
{
@@ -82,24 +82,24 @@ static double coef_in[NF][NBW][8] = {
{ 9.8531161839e-02,-5.6297236492e-02,-1.1421579050e-01,-4.8122536483e-01,-4.0121072432e-01,-7.4834487567e-01,-6.9170822332e-01,0.0000000000e+00, },
},
{
- { 1.8229206611e-04,-7.8997325866e-01,2.5782298908e+00,-5.3629717478e+00,6.5890882172e+00,-5.8012914776e+00,3.0171839130e+00,0.0000000000e+00, },
- { 9.8534230718e-02,-5.6297236492e-02,3.8148618075e-01,-1.0848760410e+00,1.8441165168e+00,-2.4860666655e+00,2.3103384142e+00,0.0000000000e+00, },
+ { 1.8229206611e-04,-7.8997325866e-01,2.5782298908e+00,-5.3629717478e+00,6.5890882172e+00,-5.8012914776e+00,3.0171839130e+00,0.0000000000e+00, },
+ { 9.8534230718e-02,-5.6297236492e-02,3.8148618075e-01,-1.0848760410e+00,1.8441165168e+00,-2.4860666655e+00,2.3103384142e+00,0.0000000000e+00, },
},
{
{ 1.8229206610e-04,-7.8997325866e-01,-3.8715051001e-01,-2.6192408538e+00,-8.3977994034e-01,-2.8329897913e+00,-4.5306444352e-01,0.0000000000e+00, },
{ 9.8531160936e-02,-5.6297236492e-02,-5.7284484199e-02,-4.3673866734e-01,-1.9564766257e-01,-6.2028156584e-01,-3.4692356122e-01,0.0000000000e+00, },
- },
+ },
};
/*! \brief Coefficients for output filter
* Coefficients table, generated by program "mkfilter"
- * Format: coef[IDX_BW][IDX_COEF]
- * IDX_COEF = 0 => 1/GAIN
+ * Format: coef[IDX_BW][IDX_COEF]
+ * IDX_COEF = 0 => 1/GAIN
* IDX_COEF = 1-6 => Coefficientes y[n]
*/
static double coef_out[NBW][8] = {
{ 1.3868644653e-08,-6.3283665042e-01,4.0895057217e+00,-1.1020074592e+01,1.5850766191e+01,-1.2835109292e+01,5.5477477340e+00,0.0000000000e+00, },
- { 3.1262119724e-03,-7.8390522307e-03,8.5209627801e-02,-4.0804129163e-01,1.1157139955e+00,-1.8767603680e+00,1.8916395224e+00,0.0000000000e+00, },
+ { 3.1262119724e-03,-7.8390522307e-03,8.5209627801e-02,-4.0804129163e-01,1.1157139955e+00,-1.8767603680e+00,1.8916395224e+00,0.0000000000e+00, },
};
@@ -109,12 +109,12 @@ static inline float filterM(fsk_data *fskd,float in)
int i, j;
double s;
double *pc;
-
+
pc = &coef_in[fskd->f_mark_idx][fskd->bw][0];
fskd->fmxv[(fskd->fmp+6)&7] = in*(*pc++);
-
+
s = (fskd->fmxv[(fskd->fmp + 6) & 7] - fskd->fmxv[fskd->fmp]) + 3 * (fskd->fmxv[(fskd->fmp + 2) & 7] - fskd->fmxv[(fskd->fmp + 4) & 7]);
- for (i = 0, j = fskd->fmp; i < 6; i++, j++)
+ for (i = 0, j = fskd->fmp; i < 6; i++, j++)
s += fskd->fmyv[j&7]*(*pc++);
fskd->fmyv[j&7] = s;
fskd->fmp++;
@@ -128,12 +128,12 @@ static inline float filterS(fsk_data *fskd,float in)
int i, j;
double s;
double *pc;
-
+
pc = &coef_in[fskd->f_space_idx][fskd->bw][0];
fskd->fsxv[(fskd->fsp+6)&7] = in*(*pc++);
-
+
s = (fskd->fsxv[(fskd->fsp + 6) & 7] - fskd->fsxv[fskd->fsp]) + 3 * (fskd->fsxv[(fskd->fsp + 2) & 7] - fskd->fsxv[(fskd->fsp + 4) & 7]);
- for (i = 0, j = fskd->fsp; i < 6; i++, j++)
+ for (i = 0, j = fskd->fsp; i < 6; i++, j++)
s += fskd->fsyv[j&7]*(*pc++);
fskd->fsyv[j&7] = s;
fskd->fsp++;
@@ -147,15 +147,15 @@ static inline float filterL(fsk_data *fskd,float in)
int i, j;
double s;
double *pc;
-
+
pc = &coef_out[fskd->bw][0];
- fskd->flxv[(fskd->flp + 6) & 7] = in * (*pc++);
-
+ fskd->flxv[(fskd->flp + 6) & 7] = in * (*pc++);
+
s = (fskd->flxv[fskd->flp] + fskd->flxv[(fskd->flp+6)&7]) +
6 * (fskd->flxv[(fskd->flp+1)&7] + fskd->flxv[(fskd->flp+5)&7]) +
15 * (fskd->flxv[(fskd->flp+2)&7] + fskd->flxv[(fskd->flp+4)&7]) +
- 20 * fskd->flxv[(fskd->flp+3)&7];
-
+ 20 * fskd->flxv[(fskd->flp+3)&7];
+
for (i = 0,j = fskd->flp;i<6;i++,j++)
s += fskd->flyv[j&7]*(*pc++);
fskd->flyv[j&7] = s;
@@ -169,14 +169,14 @@ static inline int demodulator(fsk_data *fskd, float *retval, float x)
float xS,xM;
fskd->cola_in[fskd->pcola] = x;
-
+
xS = filterS(fskd,x);
xM = filterM(fskd,x);
fskd->cola_filter[fskd->pcola] = xM-xS;
x = filterL(fskd,xM*xM - xS*xS);
-
+
fskd->cola_demod[fskd->pcola++] = x;
fskd->pcola &= (NCOLA-1);
@@ -190,7 +190,7 @@ static int get_bit_raw(fsk_data *fskd, short *buffer, int *len)
float x,spb,spb2,ds;
int f;
- spb = fskd->spb;
+ spb = fskd->spb;
if (fskd->spb == 7)
spb = 8000.0 / 1200.0;
ds = spb/32.;
@@ -257,7 +257,7 @@ int fsk_serial(fsk_data *fskd, short *buffer, int *len, int *outbyte)
return -1;
samples++;
for (;;) {
-search_startbit2:
+search_startbit2:
if (*len <= 0) {
fskd->state = STATE_SEARCH_STARTBIT2;
return 0;
@@ -267,11 +267,11 @@ search_startbit2:
return(-1);
#if 0
printf("x2 = %5.5f ", fskd->x2);
-#endif
+#endif
if (fskd->x2 < -0.5)
- break;
+ break;
}
-search_startbit3:
+search_startbit3:
/* We await for 0.5 bits before using DPLL */
i = fskd->spb/2;
if (*len < i) {
@@ -280,14 +280,14 @@ search_startbit3:
}
for (; i>0; i--) {
if (demodulator(fskd, &fskd->x1, GET_SAMPLE))
- return(-1);
+ return(-1);
#if 0
printf("x1 = %5.5f ", fskd->x1);
-#endif
+#endif
samples++;
}
- /* x1 must be negative (start bit confirmation) */
+ /* x1 must be negative (start bit confirmation) */
} while (fskd->x1 > 0);
fskd->state = STATE_GET_BYTE;
@@ -322,7 +322,7 @@ getbyte:
/* We read parity bit (if exists) and check parity */
if (fskd->parity) {
olen = *len;
- i = get_bit_raw(fskd, buffer, len);
+ i = get_bit_raw(fskd, buffer, len);
buffer += (olen - *len);
if (i == -1)
return(-1);
@@ -336,9 +336,9 @@ getbyte:
a |= 0x100; /* error */
}
}
-
+
/* We read STOP bits. All of them must be 1 */
-
+
for (j = fskd->nstop;j;j--) {
r = get_bit_raw(fskd, buffer, len);
if (r == -1)