From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 20 Nov 2013 20:23:37 +0000 (+0200)
Subject: Avoid hogging the serial link with S88 read commands
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=7ff47d1f59711542f4943aef02655d1bee51a8f6;p=r2c2.git

Avoid hogging the serial link with S88 read commands
---

diff --git a/source/libr2c2/arducontrol.cpp b/source/libr2c2/arducontrol.cpp
index 2361d85..dd4e057 100644
--- a/source/libr2c2/arducontrol.cpp
+++ b/source/libr2c2/arducontrol.cpp
@@ -721,11 +721,17 @@ void ArduControl::RefreshTask::advance()
 ArduControl::S88Task::S88Task(ArduControl &c):
 	control(c),
 	n_octets(0),
-	octets_remaining(0)
+	octets_remaining(0),
+	delay(0)
 { }
 
 bool ArduControl::S88Task::get_work(PendingCommand &cmd)
 {
+	if(delay)
+	{
+		--delay;
+		return false;
+	}
 	if(octets_remaining || !n_octets)
 		return false;
 
@@ -734,6 +740,8 @@ bool ArduControl::S88Task::get_work(PendingCommand &cmd)
 	cmd.command[1] = octets_remaining;
 	cmd.length = 2;
 
+	delay = 4;
+
 	return true;
 }
 
diff --git a/source/libr2c2/arducontrol.h b/source/libr2c2/arducontrol.h
index 1f45534..a8bdfa7 100644
--- a/source/libr2c2/arducontrol.h
+++ b/source/libr2c2/arducontrol.h
@@ -269,6 +269,7 @@ private:
 		ArduControl &control;
 		unsigned n_octets;
 		unsigned octets_remaining;
+		unsigned delay;
 
 	public:
 		S88Task(ArduControl &);