# HG changeset patch
# User viric <viriketo@gmail.com>
# Date 1324502780 -3600
# Node ID f85465640dd42cc120a0664467f9a43786010ad6
# Parent  021968512187eb168cd259c12e470d03063e093f
Making pce print timestamps in the download.

diff -r 021968512187 -r f85465640dd4 pce.c
--- a/pce.c	Wed Dec 21 21:41:32 2011 +0100
+++ b/pce.c	Wed Dec 21 22:26:20 2011 +0100
@@ -32,6 +32,11 @@
 int ep_in = 1;
 int ep_out = 2;
 
+
+/* Downloading, the base timestamp */
+time_t timestamp;
+int time_per_sample;
+
 enum
 {
     HELP,
@@ -157,19 +162,42 @@
 
 void parse_data(char *data)
 {
-    fprintf(outfile, "# Start: %hi-%hhi-%hhi %hhi:%hhi:%hhi\n",
-            *((short int *) (data + 16)),
-            *((unsigned char *) (data + 28))+1,
-            *((unsigned char *) (data + 29)),
-            *((unsigned char *) (data + 30)),
-            *((unsigned char *) (data + 31)),
-            *((unsigned char *) (data + 32)));
+    time_t now;
+    struct tm *tm_now;
+    struct tm tm;
+
+    now = time(0);
+
+    tm_now = localtime(&now);
+    memset(&tm, 0, sizeof(tm));
+
+    tm.tm_isdst = tm_now->tm_isdst;
+    tm.tm_year = *((short int *) (data + 16)) - 1900;
+    tm.tm_mon = *((unsigned char *) (data + 28));
+    tm.tm_mday = *((unsigned char *) (data + 29));
+    tm.tm_hour = *((unsigned char *) (data + 30));
+    tm.tm_min = *((unsigned char *) (data + 31));
+    tm.tm_sec = *((unsigned char *) (data + 32));
+
+    timestamp = mktime(&tm);
+
+    fprintf(outfile, "# Start: %i-%i-%i %i:%i:%i @%llu\n",
+            tm.tm_year + 1900,
+            tm.tm_mon+1,
+            tm.tm_mday,
+            tm.tm_hour,
+            tm.tm_min,
+            tm.tm_sec,
+            (unsigned long long) timestamp);
+
     fprintf(outfile, "# Num Samples: %hi\n",
             *((short int *) (data + 8))
             );
-    fprintf(outfile, "# Time between samples: %hi s\n",
-            *((short int *) (data + 12))
-            );
+
+    time_per_sample = *((short int *) (data + 12));
+
+    fprintf(outfile, "# Time between samples: %i s\n",
+            time_per_sample);
 }
 
 int
@@ -204,7 +232,7 @@
 
         parse_data(data);
 
-        int sec = 0;
+        int sample = 0;
         int block = 0;
         do
         {
@@ -234,8 +262,13 @@
                 {
                     float temp = *((short int *) (data + j)) / 10.;
                     float hum = *((short int *) (data + j + 2)) / 10.;
-                    fprintf(outfile, "%i %g %g\n", sec, temp, hum);
-                    sec++;
+
+                    time_t sampletime = timestamp + time_per_sample * sample;
+
+                    fprintf(outfile, "%i %llu %g %g\n", sample,
+                            (unsigned long long) sampletime,
+                            temp, hum);
+                    sample++;
                 }
                 num -= 64;
                 num_frames -= 1;