From: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Date: Fri, 22 May 2015 21:12:08 +0000 (+0200)
Subject: Timeout tuning
X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?p=openparking.git;a=commitdiff_plain;h=732666831f2b77bf96f272f184f426d0fff1ddab

Timeout tuning
---

diff --git a/firmware/firmware.c b/firmware/firmware.c
index bbba987..f77e67a 100644
--- a/firmware/firmware.c
+++ b/firmware/firmware.c
@@ -5,8 +5,8 @@
 #include "clock.h"
 #include "modbus.h"
 
-#define ECHO_TIMEOUT		(CLOCK_HZ/10)	// 10 ms
-#define MEASUREMENT_WAIT	(CLOCK_HZ/3)	// three triggers per second
+#define ECHO_TIMEOUT		(CLOCK_HZ/20)	// 50 ms
+#define MEASUREMENT_WAIT	(4*ECHO_TIMEOUT)
 
 #define N_TRIGGERS 3
 #define N_SENSORS 12