From 6b41f23d59ad81a7b82a69635db57e5504177304 Mon Sep 17 00:00:00 2001
From: Harald Pichler <harald@the-develop.net>
Date: Tue, 15 Sep 2015 09:52:06 +0200
Subject: [PATCH] make mcusleep variable, use mcusleepcycle

---
 core/net/mac/contikimac/contikimac.c     | 4 +++-
 examples/osd/arduino-climate3/sketch.pde | 9 +++++++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/core/net/mac/contikimac/contikimac.c b/core/net/mac/contikimac/contikimac.c
index 7362fb527..2a28905d4 100644
--- a/core/net/mac/contikimac/contikimac.c
+++ b/core/net/mac/contikimac/contikimac.c
@@ -333,6 +333,8 @@ powercycle_turn_radio_on(void)
   }
 }
 /*---------------------------------------------------------------------------*/
+volatile uint8_t mcusleepcycle=16;
+
 static char
 powercycle(struct rtimer *t, void *ptr)
 {
@@ -458,7 +460,7 @@ powercycle(struct rtimer *t, void *ptr)
 	 be blocked until a packet is detected */
 #if RDC_CONF_MCU_SLEEP
       static uint8_t sleepcycle;
-      if((sleepcycle++ < 16) && !we_are_sending && !radio_is_on) {
+      if((sleepcycle++ < mcusleepcycle) && !we_are_sending && !radio_is_on) {
         rtimer_arch_sleep(CYCLE_TIME - (RTIMER_NOW() - cycle_start));
       } else {
         sleepcycle = 0;
diff --git a/examples/osd/arduino-climate3/sketch.pde b/examples/osd/arduino-climate3/sketch.pde
index a36d4ff94..9de6d6717 100644
--- a/examples/osd/arduino-climate3/sketch.pde
+++ b/examples/osd/arduino-climate3/sketch.pde
@@ -18,10 +18,11 @@ extern "C" {
 
 #include "rest-engine.h"
 
+extern volatile uint8_t mcusleepcycle;  // default 16
+
 Adafruit_HTU21DF htu = Adafruit_HTU21DF();
 
 extern resource_t res_htu21dtemp, res_htu21dhum, res_battery;
-
 float htu21d_hum;
 float htu21d_temp;
 char  htu21d_hum_s[8];
@@ -50,10 +51,14 @@ void setup (void)
 // LOOP_INTERVAL		(10 * CLOCK_SECOND)
 void loop (void)
 {
+      mcusleepcycle=0;  // dont sleep
       htu21d_temp = htu.readTemperature();
       htu21d_hum = htu.readHumidity();
+      mcusleepcycle=32; // sleep, wakeup every 32 cycles
       dtostrf(htu21d_temp , 6, 2, htu21d_temp_s );   
-      dtostrf(htu21d_hum , 6, 2, htu21d_hum_s );   
+      dtostrf(htu21d_hum , 6, 2, htu21d_hum_s );
+      
+//  debug only   
 //	  printf("Temp: %s",htu21d_temp_s);
 //    printf("\t\tHum: %s\n",htu21d_hum_s);
 }