From 1b475c3656ae87f9f9d6cc9420b6c80f53eb00ef Mon Sep 17 00:00:00 2001
From: Bernhard Tittelbach <xro@realraum.at>
Date: Thu, 12 Aug 2010 06:36:57 +0000
Subject: [PATCH] try to fix irsend blueled timer/pwm mess

---
 rf433ctl/IRremote/IRremote.cpp |    2 +-
 rf433ctl/rf433ctl.pde          |   36 +++++++++++++++++++++++++-----------
 2 files changed, 26 insertions(+), 12 deletions(-)

diff --git a/rf433ctl/IRremote/IRremote.cpp b/rf433ctl/IRremote/IRremote.cpp
index 00ccebf..b632723 100644
--- a/rf433ctl/IRremote/IRremote.cpp
+++ b/rf433ctl/IRremote/IRremote.cpp
@@ -198,7 +198,7 @@ void IRsend::enableIROut(int khz) {
   TIMSK2 &= ~_BV(TOIE2); //Timer2 Overflow Interrupt
   
   pinMode(3, OUTPUT);
-  digitalWrite(3, HIGH); // When not sending PWM, we want it low
+  digitalWrite(3, HIGH); // When not sending PWM, we want it low (invertiert angeschlossen)
   
   // COM2A = 00: disconnect OC2A
   // COM2B = 00: disconnect OC2B; to send signal set to 10: OC2B non-inverted
diff --git a/rf433ctl/rf433ctl.pde b/rf433ctl/rf433ctl.pde
index 05ff60a..68d9f08 100644
--- a/rf433ctl/rf433ctl.pde
+++ b/rf433ctl/rf433ctl.pde
@@ -80,17 +80,6 @@ const char YAMAHA_EFFECT5 =0x91; //Effect Toggle 70mm Sci-Fi / 70mm Spectacle
 const char YAMAHA_EFFECT6 =0x51; //Effect Toggle 70mm General / 70mm Adventure
 const char YAMAHA_P5 =0xFB; //P5 PRT (1 Main Bypass)? (1587674115)
 
-
-void send_yamaha_ir_signal(char codebyte)
-{
-  unsigned long int code = codebyte & 0xFF;
-  code <<= 8;
-  code |= (0xff ^ codebyte) & 0xFF;
-  code |= YAMAHA_CODE_BASE;
-  irsend.sendNEC(code,YAMAHA_CODE_BITS);
-  Serial.println("Ok");  
-}
-
 //********************************************************************//
 
 typedef struct {
@@ -393,6 +382,31 @@ void flash_led(unsigned int times, unsigned int brightness_divisor, unsigned int
 
 //********************************************************************//
 
+void send_yamaha_ir_signal(char codebyte)
+{
+  unsigned long int code = codebyte & 0xFF;
+  code <<= 8;
+  code |= (0xff ^ codebyte) & 0xFF;
+  code |= YAMAHA_CODE_BASE;
+  
+  //irsend changes PWM Timer Frequency among other things
+  //.. doesn't go well with PWM output using the same timer
+  //.. thus we just set output to 255 so whatever frequency is used, led is off for the duration
+  unsigned int flash_prev_selected = flash_led_selected_; //save prev. selected leds
+  flash_led_selected_ &= !(1 << BLUELED_PWM_PIN); //prevent calculate_led_level() from setting blueled
+  analogWrite(BLUELED_PWM_PIN,255); // switch led off
+
+  irsend.sendNEC(code,YAMAHA_CODE_BITS);
+
+  analogWrite(BLUELED_PWM_PIN,255); // switch off led again to be sure
+  flash_led_selected_ = flash_prev_selected;  //restore led settings for calculate_led_level()
+                                      //is actually not necessary, since we are not multitasking/using interrupts, but just to be sure in case this might change
+
+  Serial.println("Ok");
+}
+
+//********************************************************************//
+
 void setup()
 {
   pinMode(RF_DATA_OUT_PIN, OUTPUT);
-- 
1.7.10.4