kopia lustrzana https://github.com/rs1729/RS
893 wiersze
27 KiB
C
893 wiersze
27 KiB
C
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/* big endian forest
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*
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* gcc m1x12_20170424.c -lm
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* 2017-04-24 Ury
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* M10 w/ G.top GPS
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#ifdef CYGWIN
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#include <fcntl.h> // cygwin: _setmode()
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#include <io.h>
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#endif
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typedef unsigned char ui8_t;
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typedef unsigned short ui16_t;
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typedef struct {
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int lat; int lon; int alt;
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int vE; int vN; int vU;
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double vH; double vD; double vV;
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int date; int time;
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char SN[12];
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} datum_t;
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datum_t datum;
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int option_verbose = 0, // ausfuehrliche Anzeige
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option_raw = 0, // rohe Frames
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option_inv = 0, // invertiert Signal
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option_res = 0, // genauere Bitmessung
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option_b = 0,
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option_color = 0,
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wavloaded = 0;
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int wav_channel = 0; // audio channel: left
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/* -------------------------------------------------------------------------- */
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#define BAUD_RATE 9616 //2*4800
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int sample_rate = 0, bits_sample = 0, channels = 0;
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float samples_per_bit = 0;
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int findstr(char *buf, char *str, int pos) {
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int i;
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for (i = 0; i < 4; i++) {
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if (buf[(pos+i)%4] != str[i]) break;
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}
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return i;
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}
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int read_wav_header(FILE *fp) {
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char txt[4+1] = "\0\0\0\0";
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unsigned char dat[4];
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int byte, p=0;
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if (fread(txt, 1, 4, fp) < 4) return -1;
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if (strncmp(txt, "RIFF", 4)) return -1;
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if (fread(txt, 1, 4, fp) < 4) return -1;
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// pos_WAVE = 8L
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if (fread(txt, 1, 4, fp) < 4) return -1;
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if (strncmp(txt, "WAVE", 4)) return -1;
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// pos_fmt = 12L
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for ( ; ; ) {
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if ( (byte=fgetc(fp)) == EOF ) return -1;
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txt[p % 4] = byte;
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p++; if (p==4) p=0;
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if (findstr(txt, "fmt ", p) == 4) break;
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}
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if (fread(dat, 1, 4, fp) < 4) return -1;
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if (fread(dat, 1, 2, fp) < 2) return -1;
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if (fread(dat, 1, 2, fp) < 2) return -1;
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channels = dat[0] + (dat[1] << 8);
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if (fread(dat, 1, 4, fp) < 4) return -1;
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memcpy(&sample_rate, dat, 4); //sample_rate = dat[0]|(dat[1]<<8)|(dat[2]<<16)|(dat[3]<<24);
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if (fread(dat, 1, 4, fp) < 4) return -1;
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if (fread(dat, 1, 2, fp) < 2) return -1;
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//byte = dat[0] + (dat[1] << 8);
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if (fread(dat, 1, 2, fp) < 2) return -1;
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bits_sample = dat[0] + (dat[1] << 8);
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// pos_dat = 36L + info
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for ( ; ; ) {
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if ( (byte=fgetc(fp)) == EOF ) return -1;
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txt[p % 4] = byte;
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p++; if (p==4) p=0;
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if (findstr(txt, "data", p) == 4) break;
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}
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if (fread(dat, 1, 4, fp) < 4) return -1;
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fprintf(stderr, "sample_rate: %d\n", sample_rate);
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fprintf(stderr, "bits : %d\n", bits_sample);
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fprintf(stderr, "channels : %d\n", channels);
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if ((bits_sample != 8) && (bits_sample != 16)) return -1;
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samples_per_bit = sample_rate/(float)BAUD_RATE;
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fprintf(stderr, "samples/bit: %.2f\n", samples_per_bit);
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return 0;
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}
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#define EOF_INT 0x1000000
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unsigned long sample_count = 0;
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double bitgrenze = 0;
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int read_signed_sample(FILE *fp) { // int = i32_t
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int byte, i, sample=0, s=0; // EOF -> 0x1000000
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for (i = 0; i < channels; i++) {
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// i = 0: links bzw. mono
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byte = fgetc(fp);
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if (byte == EOF) return EOF_INT;
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if (i == wav_channel) sample = byte;
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if (bits_sample == 16) {
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byte = fgetc(fp);
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if (byte == EOF) return EOF_INT;
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if (i == wav_channel) sample += byte << 8;
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}
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}
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if (bits_sample == 8) s = sample-128; // 8bit: 00..FF, centerpoint 0x80=128
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if (bits_sample == 16) s = (short)sample;
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sample_count++;
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return s;
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}
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int par=1, par_alt=1;
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int read_bits_fsk(FILE *fp, int *bit, int *len) {
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static int sample;
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int n, y0;
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float l, x1;
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static float x0;
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n = 0;
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do{
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y0 = sample;
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sample = read_signed_sample(fp);
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if (sample == EOF_INT) return EOF;
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//sample_count++; // in read_signed_sample()
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par_alt = par;
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par = (sample >= 0) ? 1 : -1; // 8bit: 0..127,128..255 (-128..-1,0..127)
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n++;
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} while (par*par_alt > 0);
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if (!option_res) l = (float)n / samples_per_bit;
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else { // genauere Bitlaengen-Messung
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x1 = sample/(float)(sample-y0); // hilft bei niedriger sample rate
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l = (n+x0-x1) / samples_per_bit; // meist mehr frames (nicht immer)
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x0 = x1;
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}
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*len = (int)(l+0.5);
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if (!option_inv) *bit = (1+par_alt)/2; // oben 1, unten -1
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else *bit = (1-par_alt)/2; // sdr#<rev1381?, invers: unten 1, oben -1
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// *bit = (1+inv*par_alt)/2; // ausser inv=0
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/* Y-offset ? */
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return 0;
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}
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int bitstart = 0;
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unsigned long scount = 0;
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int read_rawbit(FILE *fp, int *bit) {
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int sample;
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int sum;
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sum = 0;
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if (bitstart) {
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scount = 0; // eigentlich scount = 1
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bitgrenze = 0; // oder bitgrenze = -1
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bitstart = 0;
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}
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bitgrenze += samples_per_bit;
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do {
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sample = read_signed_sample(fp);
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if (sample == EOF_INT) return EOF;
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//sample_count++; // in read_signed_sample()
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//par = (sample >= 0) ? 1 : -1; // 8bit: 0..127,128..255 (-128..-1,0..127)
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sum += sample;
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scount++;
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} while (scount < bitgrenze); // n < samples_per_bit
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if (sum >= 0) *bit = 1;
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else *bit = 0;
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if (option_inv) *bit ^= 1;
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return 0;
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}
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int read_rawbit2(FILE *fp, int *bit) {
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int sample;
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int sum;
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sum = 0;
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if (bitstart) {
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scount = 0; // eigentlich scount = 1
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bitgrenze = 0; // oder bitgrenze = -1
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bitstart = 0;
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}
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bitgrenze += samples_per_bit;
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do {
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sample = read_signed_sample(fp);
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if (sample == EOF_INT) return EOF;
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//sample_count++; // in read_signed_sample()
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//par = (sample >= 0) ? 1 : -1; // 8bit: 0..127,128..255 (-128..-1,0..127)
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sum += sample;
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scount++;
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} while (scount < bitgrenze); // n < samples_per_bit
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bitgrenze += samples_per_bit;
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do {
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sample = read_signed_sample(fp);
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if (sample == EOF_INT) return EOF;
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//sample_count++; // in read_signed_sample()
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//par = (sample >= 0) ? 1 : -1; // 8bit: 0..127,128..255 (-128..-1,0..127)
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sum -= sample;
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scount++;
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} while (scount < bitgrenze); // n < samples_per_bit
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if (sum >= 0) *bit = 1;
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else *bit = 0;
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if (option_inv) *bit ^= 1;
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return 0;
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}
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/* -------------------------------------------------------------------------- */
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/*
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Header = Sync-Header + Sonde-Header:
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1100110011001100 1010011001001100 1101010011010011 0100110101010101 0011010011001100
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uudduudduudduudd ududduuddudduudd uudududduududduu dudduudududududu dduududduudduudd (oder:)
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dduudduudduudduu duduudduuduudduu ddududuudduduudd uduuddududududud uudduduudduudduu (komplement)
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0 0 0 0 0 0 0 0 1 1 - - - 0 0 0 0 1 1 0 0 1 0 0 1 0 0 1 1 1 1 1 0 0 1 0 0 0 0 0
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*/
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#define BITS 8
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#define HEADLEN 32 // HEADLEN+HEADOFS=32 <= strlen(header)
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#define HEADOFS 0
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// Sync-Header (raw) // Sonde-Header (bits)
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//char head[] = "11001100110011001010011001001100"; //"011001001001111100100000"; // M10: 64 9F 20 , M2K2: 64 8F 20
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//"011101101001111100100000"; // M10: 76 9F 20 , aux-data?
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//"011001000100100100001001"; // M10-dop: 64 49 09
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//"011001001010111100000010"; // M10gtop: 64 AF 02
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char header[] = "10011001100110010100110010011001";
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#define FRAME_LEN (100+1) // 0x64+1
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#define BITFRAME_LEN (FRAME_LEN*BITS)
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#define RAWBITFRAME_LEN (BITFRAME_LEN*2)
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char buf[HEADLEN];
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int bufpos = -1;
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#define FRAMESTART 0
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#define AUX_LEN 20
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#define BITAUX_LEN (AUX_LEN*BITS)
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#define RAWBITAUX_LEN (BITAUX_LEN*2)
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ui8_t frame_bytes[FRAME_LEN+AUX_LEN+2];
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char frame_rawbits[RAWBITFRAME_LEN+RAWBITAUX_LEN+16]; // frame_rawbits-32="11001100110011001010011001001100";
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char frame_bits[BITFRAME_LEN+BITAUX_LEN+8];
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int auxlen = 0; // 0 .. 0x76-0x64
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void inc_bufpos() {
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bufpos = (bufpos+1) % HEADLEN;
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}
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char cb_inv(char c) {
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if (c == '0') return '1';
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if (c == '1') return '0';
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return c;
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}
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// Gefahr bei Manchester-Codierung: inverser Header wird leicht fehl-erkannt
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// da manchester1 und manchester2 nur um 1 bit verschoben
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int compare2() {
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int i, j;
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i = 0;
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j = bufpos;
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while (i < HEADLEN) {
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if (j < 0) j = HEADLEN-1;
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if (buf[j] != header[HEADOFS+HEADLEN-1-i]) break;
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j--;
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i++;
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}
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if (i == HEADLEN) return 1;
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i = 0;
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j = bufpos;
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while (i < HEADLEN) {
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if (j < 0) j = HEADLEN-1;
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if (buf[j] != cb_inv(header[HEADOFS+HEADLEN-1-i])) break;
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j--;
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i++;
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}
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if (i == HEADLEN) return -1;
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return 0;
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}
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int bits2bytes(char *bitstr, ui8_t *bytes) {
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int i, bit, d, byteval;
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int bitpos, bytepos;
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bitpos = 0;
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bytepos = 0;
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while (bytepos < FRAME_LEN+AUX_LEN) {
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byteval = 0;
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d = 1;
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for (i = 0; i < BITS; i++) {
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//bit=*(bitstr+bitpos+i); /* little endian */
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bit=*(bitstr+bitpos+7-i); /* big endian */
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// bit == 'x' ?
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if (bit == '1') byteval += d;
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else /*if ((bit == '0') || (bit == 'x'))*/ byteval += 0;
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d <<= 1;
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}
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bitpos += BITS;
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bytes[bytepos++] = byteval & 0xFF;
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}
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//while (bytepos < FRAME_LEN+AUX_LEN) bytes[bytepos++] = 0;
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return 0;
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}
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/* -------------------------------------------------------------------------- */
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// PSK (bzw. biphase-M (oder differential Manchester?))
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// nach Synchronisation: 00,11->0 ; 01,10->1 (Phasenwechsel)
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void psk_bpm(char* frame_rawbits, char *frame_bits) {
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int i;
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char bit;
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//int err = 0;
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for (i = 0; i < BITFRAME_LEN+BITAUX_LEN; i++) {
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//if (i > 0 && (frame_rawbits[2*i] == frame_rawbits[2*i-1])) err = 1;
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if (frame_rawbits[2*i] == frame_rawbits[2*i+1]) bit = '0';
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else bit = '1';
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//if (err) frame_bits[i] = 'x'; else
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frame_bits[i] = bit;
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//err = 0;
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}
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}
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/*
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Header = Sync-Header + Sonde-Header:
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1100110011001100 1010011001001100 1101010011010011 0100110101010101 0011010011001100
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uudduudduudduudd ududduuddudduudd uudududduududduu dudduudududududu dduududduudduudd (oder:)
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dduudduudduudduu duduudduuduudduu ddududuudduduudd uduuddududududud uudduduudduudduu (komplement)
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0 0 0 0 0 0 0 0 1 1 - - - 0 0 0 0 1 1 0 0 1 0 0 1 0 0 1 1 1 1 1 0 0 1 0 0 0 0 0
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*/
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/*
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110101001101001101001101010101010011010011001100
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101010011010011010011010101010100110100110011001011001100101011001100110011001100110011001100101100110011001100110011001100101010101010101010101010101101010100110011010011001011001011010101010010101100110100110010101100110011001011001100110100101011010101001100101010101101010011001010101100110010110100110010101100101100101100110101010011001100110010110011001100110011001100110100101011010101001101010100101100101100110011001100110011001100110011001100110011001011001101010011001100110011010101001100101100110100110011001010101101001100110010110011010100110100110011010100110011001010101101001100110010101100110011010101001100110101001100110011001100101100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011010011010100110100110011001100110011001100110011001100101101001011010100101101001101001100110100110100110010110010110101010010110010110011001011001010101010101010110011001100110011010011010100110011001011001100110011001100110011001100110011001100110011001100110101001011010011010010110010110010101010110010110011001101001101010101010011010100110011010011010011010100110101001100110011010100110010110011001010110101001101001100110100101011001100110011010011001100110011001100110010101011001100110011001100110100110101001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011010101001101001011001100101010101100110101001011001100110011001100110101001010110011001100110010110011001010110011001100110011001100110011001011001100101011010100101100110010110101001101001011001101001011001101010011010010110101001010101100110011001101010100110011001100000
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*/
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int dpsk_bpm(char* frame_rawbits, char *frame_bits, int len) {
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int i;
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char bit;
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char bit0;
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//int err = 0;
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bit0 = (frame_rawbits[0] & 1) ^ 1;
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for (i = 0; i < len/2; i++) {
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if ((frame_rawbits[2*i ] & 1) == 1 &&
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(frame_rawbits[2*i+1] & 1) == 0 ) bit = 1;
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else if ((frame_rawbits[2*i ] & 1) == 0 &&
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(frame_rawbits[2*i+1] & 1) == 1 ) bit = 0;
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else {
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bit = 2;
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frame_bits[i] = 'x';
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bit0 = bit&1;
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continue;
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//err = 1;
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}
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if (bit0 == bit) frame_bits[i] = '1';
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else frame_bits[i] = '0';
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// frame_bits[i] = 0x31 ^ (bit0 ^ bit);
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bit0 = bit;
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}
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return bit0;
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}
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/* -------------------------------------------------------------------------- */
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#define stdFLEN 0x64 // pos[0]=0x64
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#define pos_GPSlat 0x04 // 4 byte
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#define pos_GPSlon 0x08 // 4 byte
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#define pos_GPSalt 0x0C // 3 byte
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#define pos_GPSvE 0x0F // 2 byte
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#define pos_GPSvN 0x11 // 2 byte
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#define pos_GPSvU 0x13 // 2 byte
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#define pos_GPStime 0x15 // 3 byte
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#define pos_GPSdate 0x18 // 3 byte
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#define pos_SN 0x5D // 2+3 byte
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#define pos_Check (stdFLEN-1) // 2 byte
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#define ANSI_COLOR_RESET "\x1b[0m"
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#define col_GPSdate "\x1b[38;5;20m" // 3 byte
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#define col_GPStime "\x1b[38;5;27m" // 3 byte
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#define col_GPSlat "\x1b[38;5;34m" // 4 byte
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#define col_GPSlon "\x1b[38;5;70m" // 4 byte
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#define col_GPSalt "\x1b[38;5;82m" // 4 byte
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#define col_GPSvel "\x1b[38;5;36m" // 6 byte
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#define col_SN "\x1b[38;5;58m" // 3 byte
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#define col_Check "\x1b[38;5;11m" // 2 byte
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#define col_TXT "\x1b[38;5;244m"
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#define col_FRTXT "\x1b[38;5;244m"
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#define col_CSok "\x1b[38;5;2m"
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#define col_CSno "\x1b[38;5;1m"
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/* -------------------------------------------------------------------------- */
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int get_GPSpos() {
|
|
int i;
|
|
ui8_t bytes[4];
|
|
int val;
|
|
|
|
for (i = 0; i < 4; i++) bytes[i] = frame_bytes[pos_GPSlat + i];
|
|
val = 0;
|
|
for (i = 0; i < 4; i++) val |= bytes[i] << (8*(3-i));
|
|
datum.lat = val;
|
|
|
|
for (i = 0; i < 4; i++) bytes[i] = frame_bytes[pos_GPSlon + i];
|
|
val = 0;
|
|
for (i = 0; i < 4; i++) val |= bytes[i] << (8*(3-i));
|
|
datum.lon = val;
|
|
|
|
for (i = 0; i < 3; i++) bytes[i] = frame_bytes[pos_GPSalt + i];
|
|
val = 0;
|
|
for (i = 0; i < 3; i++) val |= bytes[i] << (8*(2-i));
|
|
if (val & 0x800000) val -= 0x1000000; // alt: signed 24bit?
|
|
datum.alt = val;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int get_GPSvel() {
|
|
int i;
|
|
ui8_t bytes[2];
|
|
short vel16;
|
|
double vx, vy, vz, dir;
|
|
|
|
for (i = 0; i < 2; i++) bytes[i] = frame_bytes[pos_GPSvE + i];
|
|
vel16 = bytes[0] << 8 | bytes[1];
|
|
datum.vE = vel16;
|
|
vx = vel16 / 1e2; // east
|
|
|
|
for (i = 0; i < 2; i++) bytes[i] = frame_bytes[pos_GPSvN + i];
|
|
vel16 = bytes[0] << 8 | bytes[1];
|
|
datum.vN = vel16;
|
|
vy= vel16 / 1e2; // north
|
|
|
|
for (i = 0; i < 2; i++) bytes[i] = frame_bytes[pos_GPSvU + i];
|
|
vel16 = bytes[0] << 8 | bytes[1];
|
|
datum.vU = vel16;
|
|
vz = vel16 / 1e2; // up
|
|
|
|
datum.vH = sqrt(vx*vx+vy*vy);
|
|
dir = atan2(vx, vy) * 180 / M_PI;
|
|
if (dir < 0) dir += 360;
|
|
datum.vD = dir;
|
|
datum.vV = vz;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int get_GPStime() {
|
|
int i;
|
|
ui8_t bytes[4];
|
|
int val;
|
|
|
|
for (i = 0; i < 3; i++) bytes[i] = frame_bytes[pos_GPStime + i];
|
|
val = 0;
|
|
for (i = 0; i < 3; i++) val |= bytes[i] << (8*(2-i));
|
|
datum.time = val;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int get_GPSdate() {
|
|
int i;
|
|
ui8_t bytes[4];
|
|
int val;
|
|
|
|
for (i = 0; i < 3; i++) bytes[i] = frame_bytes[pos_GPSdate + i];
|
|
val = 0;
|
|
for (i = 0; i < 3; i++) val |= bytes[i] << (8*(2-i));
|
|
datum.date = val;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* -------------------------------------------------------------------------- */
|
|
|
|
int get_SN() {
|
|
int i;
|
|
unsigned byte;
|
|
ui8_t sn_bytes[5];
|
|
|
|
for (i = 0; i < 11; i++) datum.SN[i] = ' '; datum.SN[11] = '\0';
|
|
|
|
for (i = 0; i < 5; i++) {
|
|
byte = frame_bytes[pos_SN + i];
|
|
sn_bytes[i] = byte;
|
|
}
|
|
|
|
byte = sn_bytes[2];
|
|
sprintf(datum.SN, "%1X%02u", (byte>>4)&0xF, byte&0xF);
|
|
byte = sn_bytes[3] | (sn_bytes[4]<<8);
|
|
sprintf(datum.SN+3, " %1X %1u%04u", sn_bytes[0]&0xF, (byte>>13)&0x7, byte&0x1FFF);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* -------------------------------------------------------------------------- */
|
|
/*
|
|
g : F^n -> F^16 // checksum, linear
|
|
g(m||b) = f(g(m),b)
|
|
|
|
// update checksum
|
|
f : F^16 x F^8 -> F^16 linear
|
|
|
|
010100001000000101000000
|
|
001010000100000010100000
|
|
000101000010000001010000
|
|
000010100001000000101000
|
|
000001010000100000010100
|
|
100000100000010000001010
|
|
000000011010100000000100
|
|
100000000101010000000010
|
|
000000001000000000000000
|
|
000000000100000000000000
|
|
000000000010000000000000
|
|
000000000001000000000000
|
|
000000000000100000000000
|
|
000000000000010000000000
|
|
000000000000001000000000
|
|
000000000000000100000000
|
|
*/
|
|
|
|
int update_checkM10(int c, ui8_t b) {
|
|
int c0, c1, t, t6, t7, s;
|
|
|
|
c1 = c & 0xFF;
|
|
|
|
// B
|
|
b = (b >> 1) | ((b & 1) << 7);
|
|
b ^= (b >> 2) & 0xFF;
|
|
|
|
// A1
|
|
t6 = ( c & 1) ^ ((c>>2) & 1) ^ ((c>>4) & 1);
|
|
t7 = ((c>>1) & 1) ^ ((c>>3) & 1) ^ ((c>>5) & 1);
|
|
t = (c & 0x3F) | (t6 << 6) | (t7 << 7);
|
|
|
|
// A2
|
|
s = (c >> 7) & 0xFF;
|
|
s ^= (s >> 2) & 0xFF;
|
|
|
|
|
|
c0 = b ^ t ^ s;
|
|
|
|
return ((c1<<8) | c0) & 0xFFFF;
|
|
}
|
|
|
|
int checkM10(ui8_t *msg, int len) {
|
|
int i, cs;
|
|
|
|
cs = 0;
|
|
for (i = 0; i < len; i++) {
|
|
cs = update_checkM10(cs, msg[i]);
|
|
}
|
|
|
|
return cs & 0xFFFF;
|
|
}
|
|
|
|
/* -------------------------------------------------------------------------- */
|
|
|
|
int print_pos(int csOK) {
|
|
int err;
|
|
|
|
err = 0;
|
|
err |= get_GPSpos();
|
|
err |= get_GPSvel();
|
|
err |= get_GPStime();
|
|
err |= get_GPSdate();
|
|
|
|
if (!err) {
|
|
|
|
if (option_color) {
|
|
fprintf(stdout, col_TXT);
|
|
fprintf(stdout, " "col_GPSdate"%02d-%02d-%02d"col_TXT, datum.date/10000, (datum.date%10000)/100, datum.date%100);
|
|
fprintf(stdout, " "col_GPStime"%02d:%02d:%02d "col_TXT, datum.time/10000, (datum.time%10000)/100, (datum.time%100)/1);
|
|
|
|
fprintf(stdout, " lat: "col_GPSlat"%.6f"col_TXT"° ", datum.lat/1e6);
|
|
fprintf(stdout, " lon: "col_GPSlon"%.6f"col_TXT"° ", datum.lon/1e6);
|
|
fprintf(stdout, " alt: "col_GPSalt"%.2f"col_TXT"m ", datum.alt/1e2);
|
|
|
|
//fprintf(stdout, " (%.1f , %.1f , %.1f) ", datum.vE/1e2, datum.vN/1e2, datum.vU/1e2);
|
|
fprintf(stdout, " vH: "col_GPSvel"%.1f"col_TXT"m/s D: "col_GPSvel"%.1f"col_TXT"° vV: "col_GPSvel"%.1f"col_TXT"m/s", datum.vH, datum.vD, datum.vV);
|
|
|
|
if (option_verbose >= 2) {
|
|
get_SN();
|
|
fprintf(stdout, " SN: "col_SN"%s"col_TXT, datum.SN);
|
|
fprintf(stdout, " # ");
|
|
if (csOK) fprintf(stdout, " "col_CSok"[OK]"col_TXT);
|
|
else fprintf(stdout, " "col_CSno"[NO]"col_TXT);
|
|
}
|
|
fprintf(stdout, ANSI_COLOR_RESET"");
|
|
}
|
|
else {
|
|
fprintf(stdout, " %02d-%02d-%02d", datum.date/10000, (datum.date%10000)/100, datum.date%100);
|
|
fprintf(stdout, " %02d:%02d:%02d ", datum.time/10000, (datum.time%10000)/100, (datum.time%100)/1);
|
|
|
|
fprintf(stdout, " lat: %.6f° ", datum.lat/1e6);
|
|
fprintf(stdout, " lon: %.6f° ", datum.lon/1e6);
|
|
fprintf(stdout, " alt: %.2fm ", datum.alt/1e2);
|
|
|
|
//fprintf(stdout, " (%.1f , %.1f , %.1f) ", datum.vE/1e2, datum.vN/1e2, datum.vU/1e2);
|
|
fprintf(stdout, " vH: %.1fm/s D: %.1f° vV: %.1fm/s", datum.vH, datum.vD, datum.vV);
|
|
|
|
if (option_verbose >= 2) {
|
|
get_SN();
|
|
fprintf(stdout, " SN: %s", datum.SN);
|
|
fprintf(stdout, " # ");
|
|
if (csOK) fprintf(stdout, " [OK]"); else fprintf(stdout, " [NO]");
|
|
}
|
|
}
|
|
}
|
|
fprintf(stdout, "\n");
|
|
|
|
return err;
|
|
}
|
|
|
|
void print_frame(int pos) {
|
|
int i;
|
|
ui8_t byte;
|
|
int cs1, cs2;
|
|
int flen = stdFLEN; // stdFLEN=0x64, auxFLEN=0x76
|
|
|
|
if (option_b < 2) {
|
|
dpsk_bpm(frame_rawbits, frame_bits, RAWBITFRAME_LEN+RAWBITAUX_LEN);
|
|
}
|
|
bits2bytes(frame_bits, frame_bytes);
|
|
flen = frame_bytes[0];
|
|
if (flen == stdFLEN) auxlen = 0;
|
|
else {
|
|
auxlen = flen - stdFLEN;
|
|
if (auxlen < 0 || auxlen > AUX_LEN) auxlen = 0;
|
|
}
|
|
|
|
cs1 = (frame_bytes[pos_Check] << 8) | frame_bytes[pos_Check+1];
|
|
cs2 = checkM10(frame_bytes, pos_Check);
|
|
|
|
if (option_raw) {
|
|
|
|
if (option_color && frame_bytes[1] != 0x49) {
|
|
fprintf(stdout, col_FRTXT);
|
|
for (i = 0; i < FRAME_LEN+auxlen; i++) {
|
|
byte = frame_bytes[i];
|
|
if ((i >= pos_GPSlat) && (i < pos_GPSlat+4)) fprintf(stdout, col_GPSlat);
|
|
if ((i >= pos_GPSlon) && (i < pos_GPSlon+4)) fprintf(stdout, col_GPSlon);
|
|
if ((i >= pos_GPSalt) && (i < pos_GPSalt+3)) fprintf(stdout, col_GPSalt);
|
|
if ((i >= pos_GPSvE) && (i < pos_GPSvE+6)) fprintf(stdout, col_GPSvel);
|
|
if ((i >= pos_GPStime) && (i < pos_GPStime+3)) fprintf(stdout, col_GPStime);
|
|
if ((i >= pos_GPSdate) && (i < pos_GPSdate+3)) fprintf(stdout, col_GPSdate);
|
|
if ((i >= pos_SN) && (i < pos_SN+5)) fprintf(stdout, col_SN);
|
|
if ((i >= pos_Check) && (i < pos_Check+2)) fprintf(stdout, col_Check);
|
|
fprintf(stdout, "%02x", byte);
|
|
fprintf(stdout, col_FRTXT);
|
|
}
|
|
if (option_verbose) {
|
|
fprintf(stdout, " # "col_Check"%04x"col_FRTXT, cs2);
|
|
if (cs1 == cs2) fprintf(stdout, " "col_CSok"[OK]"col_TXT);
|
|
else fprintf(stdout, " "col_CSno"[NO]"col_TXT);
|
|
}
|
|
fprintf(stdout, ANSI_COLOR_RESET"\n");
|
|
}
|
|
else {
|
|
for (i = 0; i < FRAME_LEN+auxlen; i++) {
|
|
byte = frame_bytes[i];
|
|
fprintf(stdout, "%02x", byte);
|
|
}
|
|
if (option_verbose) {
|
|
fprintf(stdout, " # %04x", cs2);
|
|
if (cs1 == cs2) fprintf(stdout, " [OK]"); else fprintf(stdout, " [NO]");
|
|
}
|
|
fprintf(stdout, "\n");
|
|
}
|
|
|
|
}
|
|
else print_pos(cs1 == cs2);
|
|
|
|
}
|
|
|
|
/* -------------------------------------------------------------------------- */
|
|
|
|
|
|
int main(int argc, char **argv) {
|
|
|
|
FILE *fp;
|
|
char *fpname;
|
|
int i, len;
|
|
int bit, bit0;
|
|
int pos;
|
|
int header_found = 0;
|
|
|
|
|
|
#ifdef CYGWIN
|
|
_setmode(fileno(stdin), _O_BINARY); // _setmode(_fileno(stdin), _O_BINARY);
|
|
#endif
|
|
setbuf(stdout, NULL);
|
|
|
|
fpname = argv[0];
|
|
++argv;
|
|
while ((*argv) && (!wavloaded)) {
|
|
if ( (strcmp(*argv, "-h") == 0) || (strcmp(*argv, "--help") == 0) ) {
|
|
fprintf(stderr, "%s [options] audio.wav\n", fpname);
|
|
fprintf(stderr, " options:\n");
|
|
//fprintf(stderr, " -v, --verbose\n");
|
|
fprintf(stderr, " -r, --raw\n");
|
|
fprintf(stderr, " -c, --color\n");
|
|
//fprintf(stderr, " -o, --offset\n");
|
|
return 0;
|
|
}
|
|
else if ( (strcmp(*argv, "-v") == 0) || (strcmp(*argv, "--verbose") == 0) ) {
|
|
option_verbose = 1;
|
|
}
|
|
else if ( (strcmp(*argv, "-vv") == 0) ) option_verbose = 2;
|
|
else if ( (strcmp(*argv, "-r") == 0) || (strcmp(*argv, "--raw") == 0) ) {
|
|
option_raw = 1;
|
|
}
|
|
else if ( (strcmp(*argv, "-i") == 0) || (strcmp(*argv, "--invert") == 0) ) {
|
|
option_inv = 1; // nicht noetig
|
|
}
|
|
else if ( (strcmp(*argv, "-c") == 0) || (strcmp(*argv, "--color") == 0) ) {
|
|
option_color = 1;
|
|
}
|
|
else if (strcmp(*argv, "--res") == 0) { option_res = 1; }
|
|
else if (strcmp(*argv, "-b" ) == 0) { option_b = 1; }
|
|
else if (strcmp(*argv, "-b2") == 0) { option_b = 2; }
|
|
else if (strcmp(*argv, "--ch2") == 0) { wav_channel = 1; } // right channel (default: 0=left)
|
|
else {
|
|
fp = fopen(*argv, "rb");
|
|
if (fp == NULL) {
|
|
fprintf(stderr, "%s konnte nicht geoeffnet werden\n", *argv);
|
|
return -1;
|
|
}
|
|
wavloaded = 1;
|
|
}
|
|
++argv;
|
|
}
|
|
if (!wavloaded) fp = stdin;
|
|
|
|
|
|
i = read_wav_header(fp);
|
|
if (i) {
|
|
fclose(fp);
|
|
return -1;
|
|
}
|
|
|
|
|
|
pos = FRAMESTART;
|
|
|
|
while (!read_bits_fsk(fp, &bit, &len)) {
|
|
|
|
if (len == 0) { // reset_frame();
|
|
if (pos > (pos_GPSdate+4)*2*BITS) {
|
|
for (i = pos; i < RAWBITFRAME_LEN+RAWBITAUX_LEN; i++) frame_rawbits[i] = 0x30 + 0;
|
|
print_frame(pos);//byte_count
|
|
header_found = 0;
|
|
pos = FRAMESTART;
|
|
}
|
|
//inc_bufpos();
|
|
//buf[bufpos] = 'x';
|
|
continue; // ...
|
|
}
|
|
|
|
for (i = 0; i < len; i++) {
|
|
|
|
inc_bufpos();
|
|
buf[bufpos] = 0x30 + bit; // Ascii
|
|
|
|
if (!header_found) {
|
|
header_found = compare2();
|
|
}
|
|
else {
|
|
frame_rawbits[pos] = 0x30 + bit; // Ascii
|
|
pos++;
|
|
|
|
if (pos == RAWBITFRAME_LEN+RAWBITAUX_LEN) {
|
|
frame_rawbits[pos] = '\0';
|
|
print_frame(pos);//FRAME_LEN
|
|
header_found = 0;
|
|
pos = FRAMESTART;
|
|
}
|
|
}
|
|
|
|
}
|
|
if (header_found && option_b==1) {
|
|
bitstart = 1;
|
|
|
|
while ( pos < RAWBITFRAME_LEN+RAWBITAUX_LEN ) {
|
|
if (read_rawbit(fp, &bit) == EOF) break;
|
|
frame_rawbits[pos] = 0x30 + bit;
|
|
pos++;
|
|
}
|
|
frame_rawbits[pos] = '\0';
|
|
print_frame(pos);
|
|
header_found = 0;
|
|
pos = FRAMESTART;
|
|
}
|
|
if (header_found && option_b>=2) {
|
|
bitstart = 1;
|
|
bit0 = 0;
|
|
|
|
if (pos%2) {
|
|
if (read_rawbit(fp, &bit) == EOF) break;
|
|
frame_rawbits[pos] = 0x30 + bit;
|
|
pos++;
|
|
}
|
|
|
|
bit0 = dpsk_bpm(frame_rawbits, frame_bits, pos);
|
|
pos /= 2;
|
|
|
|
while ( pos < BITFRAME_LEN+BITAUX_LEN ) {
|
|
if (read_rawbit2(fp, &bit) == EOF) break;
|
|
frame_bits[pos] = 0x31 ^ (bit0 ^ bit);
|
|
pos++;
|
|
bit0 = bit;
|
|
}
|
|
frame_bits[pos] = '\0';
|
|
print_frame(pos);
|
|
header_found = 0;
|
|
pos = FRAMESTART;
|
|
}
|
|
}
|
|
|
|
fprintf(stdout, "\n");
|
|
|
|
fclose(fp);
|
|
|
|
return 0;
|
|
}
|
|
|