From 267d9a07255d96a564da64ce5c819ebc4701d5f1 Mon Sep 17 00:00:00 2001
From: Jonathan McCrohan <jmccrohan@gmail.com>
Date: Mon, 12 Mar 2012 23:37:21 +0000
Subject: Force log upon startup
---
src/modbuslog.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/src/modbuslog.c b/src/modbuslog.c
index 4c8ac60..5142646 100644
--- a/src/modbuslog.c
+++ b/src/modbuslog.c
@@ -141,6 +141,10 @@ int main(int argc, char *argv[]) {
int rc;
int i;
+ // used to force a reading 2 mins after power on
+ int firstrun;
+ firstrun = 1;
+
// SIGALRM used to wake for loop up every 60 secs
// sleep puts whole thread to sleep which isn't what we want
// other methods involve CPU spinlocks which are inefficient
@@ -201,8 +205,8 @@ int main(int argc, char *argv[]) {
else
intervalduration = intervalvalue * 60;
- // if we match the required time for the reading
- if (unixtime_min % intervalduration == 0) {
+ // if we match the required time for the reading or first run
+ if ((unixtime_min % intervalduration == 0)||firstrun) {
//printf("specified minute. %d %d\n", unixtime_min,
// intervalduration);
@@ -383,6 +387,8 @@ int main(int argc, char *argv[]) {
}
//printf("%d ", slaveid);
}
+ // revert to normal timing
+ firstrun=0;
//printf("%d\n", unixtime_min);
}
}
--
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