From e8afc8a166bb66fc17eb96461b36fee159b0a14f Mon Sep 17 00:00:00 2001
From: robertl <robertl>
Date: Sun, 20 Jan 2008 23:42:32 +0000
Subject: [PATCH] Add option to Garmin to set GPS time to computer's time. 
 (For broken Vista GPS...)

---
 garmin.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/garmin.c b/garmin.c
index 4f4ac84db..b9cb2cd57 100644
--- a/garmin.c
+++ b/garmin.c
@@ -37,6 +37,7 @@ static GPS_PTrack *tx_tracklist;
 static GPS_PTrack *cur_tx_tracklist_entry;
 static char *getposn = NULL;
 static char *poweroff = NULL;
+static char *resettime = NULL;
 static char *snlen = NULL;
 static char *snwhiteopt = NULL;
 static char *deficon = NULL;
@@ -58,6 +59,8 @@ arglist_t garmin_args[] = {
 		NULL, ARGTYPE_BOOL, ARG_NOMINMAX},
 	{ "power_off", &poweroff, "Command unit to power itself down", 
 		NULL, ARGTYPE_BOOL, ARG_NOMINMAX},
+	{ "resettime", &resettime, "Sync GPS time to computer time", 
+		NULL, ARGTYPE_BOOL, ARG_NOMINMAX},
 	{ "category", &category, "Category number to use for written waypoints", 
 		NULL, ARGTYPE_INT, "1", "16"},
 	ARG_TERMINATOR
@@ -90,6 +93,16 @@ rw_init(const char *fname)
 		return;
 	}
 
+	/*
+ 	 * THis is Gross. The B&W Vista sometimes sets its time decades into
+	 * the future with no way to reset it.  This apparently can "cure"
+	 * an affected unit.
+	 */
+	if (resettime) {
+		GPS_Command_Send_Time(fname, current_time());
+		return;
+	}
+
         if (GPS_Init(fname) < 0) {
 		fatal(MYNAME ":Can't init %s\n", fname);
 	}
-- 
2.30.2