From 18d67880cbc09256f37c8257a9635c3d3f98ad73 Mon Sep 17 00:00:00 2001
From: Yuval Adam <yuv.adm@gmail.com>
Date: Sun, 27 Jan 2013 23:33:58 +0200
Subject: Rename, add data processing thread and internal state

---
 dumpocsag.c | 90 -------------------------------------------------------------
 1 file changed, 90 deletions(-)
 delete mode 100644 dumpocsag.c

(limited to 'dumpocsag.c')

diff --git a/dumpocsag.c b/dumpocsag.c
deleted file mode 100644
index f3527b2..0000000
--- a/dumpocsag.c
+++ /dev/null
@@ -1,90 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <pthread.h>
-#include <stdint.h>
-#include <errno.h>
-#include <unistd.h>
-#include <math.h>
-#include <sys/time.h>
-#include <signal.h>
-#include <fcntl.h>
-#include <ctype.h>
-#include "rtl-sdr.h"
-
-/* POCSAG parameters */
-#define POCSAG_ID "POCSAG"
-#define POCSAG_SYM_RATE 1200
-#define POCSAG_FM_DEV 4500
-#define POCSAG_SPS 8
-#define POCSAG_STD_SYNC 0x7cd215d8
-#define POCSAG_STD_IDLE 0x7a89c197
-#define POCSAG_WORDSIZE 32
-#define POCSAG_SOFTTHRESHOLD 2
-#define POCSAG_MAXWORD 16
-
-/* BCH parameters */
-#define POCSAG_BCH_POLY 0x769
-#define POCSAG_BCH_N 31
-#define POCSAG_BCH_K 21
-
-/* POCASG states */
-#define POCSAG_SEARCH_PREAMBLE_START 0
-#define POCSAG_SEARCH_PREAMBLE_END 1
-#define POCSAG_SYNC 2
-#define POCSAG_SEARCH_SYNC 3
-#define POCSAG_SYNCHED 4
-
-
-int hammingWeight(int n) {
-    unsigned int c;
-    for (c = 0; n; c++)
-        n &= n - 1;
-    return c;
-}
-
-int evenParity(int n) {
-    return hammingWeight(n) & 1;
-}
-
-int bchSyndrome(int data, int poly, int n, int k) {
-    int mask = 1 << (n - 1);
-    int coeff = poly << (k - 1);
-    n = k;
-
-    int s = data >> 1;
-    while (n > 0) {
-        if (s & mask)
-            s ^= coeff;
-        n -= 1;
-        mask >>= 1;
-        coeff >>= 1;
-    }
-
-    if (evenParity(data))
-        s |= 1 << (n - k);
-
-    return s;
-}
-
-int bchFix(int data, int poly, int n, int k) {
-    int i, j;
-    for (i=0; i<32; i++) {
-        int t = data ^ (1 << i);
-        if (!bchSyndrome(t, poly, n, k))
-            return t;
-    }
-    for (i=0; i<32; i++) {
-        for (j=i+1; j<32; j++) {
-            int t = data ^ ((1 << i) | (1 << j));
-            if (!bchSyndrome(t, poly, n, k))
-                return t;
-        }
-    }
-    return data;
-}
-
-int main(int argc, char **argv) {
-    printf("Dumpocsag v0.1\n");
-    exit(0);
-}
-- 
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