Add CSV logging

1 files changed, 12 insertions, 1 deletions

diff --git a/argparse.c b/argparse.c
index 7df1239..75ca20d 100644
--- a/argparse.c
+++ b/argparse.c
@@ -14,6 +14,9 @@ void printhelp()
   "Usage: %s <options>\n"
   "\n"
   "Options:\n"
+  "-c <file>      Write CSV log for later analysis to file. Append data if the\n"
+  "               file already exists\n"
+  "-C <file>      Same as -c but overwrite existing file\n"
   "-f <frequency> Fallback frequency in KHz, used when everything fails\n"
   "               Default: %ld\n"
   "-g <governor>  cpufreq governor to use, use \"keep\" to keep current governor\n"
@@ -56,11 +59,19 @@ void argparse(int argc, char **argv)
  memcpy(&userconfig,&config,sizeof(struct s_config));
 
 // Parse options
- while((opt=getopt(argc,argv,"f:g:hi:l:mp:s:t:"))!=-1)
+ while((opt=getopt(argc,argv,"c:C:f:g:hi:l:mp:s:t:"))!=-1)
  {
   DEBUG1_ARGPARSE("Argument: %c Value: %s\n",opt,optarg);
   switch(opt)
   {
+   case 'c':
+    strncpy(userconfig.csvlog,optarg,sizeof(userconfig.csvlog));
+    userconfig.csvoverwrite=0;
+    break;
+   case 'C':
+    strncpy(userconfig.csvlog,optarg,sizeof(userconfig.csvlog));
+    userconfig.csvoverwrite=1;
+    break;
    case 'f':
     userconfig.fallback_freq=strtoll(optarg,NULL,10);
     break;