[hamradio-commits] [dump1090] 113/389: Change default for error correction to OFF

[Matthew Ernisse]

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mernisse-guest pushed a commit to branch master
in repository dump1090.

commit 4d370bd247c8feedb05cb0d16abe16a4029848da
Author: Malcolm Robb <Support at ATTAvionics.com>
Date:   Fri Apr 26 10:12:47 2013 +0100

    Change default for error correction to OFF
    
    Add a --fix command line switch to enable error correction using CRC.
    Change the default to OFF/Disabled.
    
    Error correction can very occasionally result in an incorrect solution
    to the crc equation.  It also takes significant CPU work for very few
    corrected results. Therefore, the default has been changed to OFF, but
    you can re-enable it if you wish by using the --fix command line switch.
---
 dump1090.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/dump1090.c b/dump1090.c
index 9244024..f4ed3dd 100644
--- a/dump1090.c
+++ b/dump1090.c
@@ -56,7 +56,7 @@
 // MinorVer changes when additional features are added, but not for bug fixes (range 00-99)
 // DayDate & Year changes for all changes, including for bug fixes. It represent the release date of the update
 //
-#define MODES_DUMP1090_VERSION     "1.02.2504.13"
+#define MODES_DUMP1090_VERSION     "1.02.2604.13"
 
 #define MODES_DEFAULT_RATE         2000000
 #define MODES_DEFAULT_FREQ         1090000000
@@ -326,7 +326,7 @@ void modesInitConfig(void) {
     Modes.ppm_error = 0;
     Modes.freq = MODES_DEFAULT_FREQ;
     Modes.filename = NULL;
-    Modes.fix_errors = 1;
+    Modes.fix_errors = 0;
     Modes.check_crc = 1;
     Modes.raw = 0;
     Modes.beast = 0;
@@ -3313,6 +3313,7 @@ void showHelp(void) {
 "--net-ri-port <port>     TCP raw input listen port  (default: 30001)\n"
 "--net-http-port <port>   HTTP server port (default: 8080)\n"
 "--net-sbs-port <port>    TCP BaseStation output listen port (default: 30003)\n"
+"--fix                    Enable single-bits error correction using CRC\n"
 "--no-fix                 Disable single-bits error correction using CRC\n"
 "--no-crc-check           Disable messages with broken CRC (discouraged)\n"
 "--aggressive             More CPU for more messages (two bits fixes, ...)\n"
@@ -3385,6 +3386,8 @@ int main(int argc, char **argv) {
             Modes.freq = (int) strtoll(argv[++j],NULL,10);
         } else if (!strcmp(argv[j],"--ifile") && more) {
             Modes.filename = strdup(argv[++j]);
+        } else if (!strcmp(argv[j],"--fix")) {
+            Modes.fix_errors = 1;
         } else if (!strcmp(argv[j],"--no-fix")) {
             Modes.fix_errors = 0;
         } else if (!strcmp(argv[j],"--no-crc-check")) {

-- 
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