Diff: IRremoteInt.h

Revision:

0:70c8e56bac45

Child:

3:17440cf7ab90

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/IRremoteInt.h	Sat Jan 23 06:16:48 2016 +0000
@@ -0,0 +1,602 @@
+//******************************************************************************
+// IRremote
+// Version 2.0.1 June, 2015
+// Copyright 2009 Ken Shirriff
+// For details, see http://arcfn.com/2009/08/multi-protocol-infrared-remote-library.html
+//
+// Modified by Paul Stoffregen <paul@pjrc.com> to support other boards and timers
+//
+// Interrupt code based on NECIRrcv by Joe Knapp
+// http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1210243556
+// Also influenced by http://zovirl.com/2008/11/12/building-a-universal-remote-with-an-arduino/
+//
+// JVC and Panasonic protocol added by Kristian Lauszus (Thanks to zenwheel and other people at the original blog post)
+// Whynter A/C ARC-110WD added by Francesco Meschia
+//******************************************************************************
+
+#ifndef IRremoteint_h
+#define IRremoteint_h
+
+//------------------------------------------------------------------------------
+// Include the right Arduino header
+//
+#if defined(ARDUINO) && (ARDUINO >= 100)
+#	include <Arduino.h>
+#else
+#	if !defined(IRPRONTO)
+#		include <WProgram.h>
+#	endif
+#endif
+
+//------------------------------------------------------------------------------
+// This handles definition and access to global variables
+//
+#ifdef IR_GLOBAL
+#	define EXTERN
+#else
+#	define EXTERN extern
+#endif
+
+//------------------------------------------------------------------------------
+// Information for the Interrupt Service Routine
+//
+#define RAWBUF  101  // Maximum length of raw duration buffer
+
+typedef
+	struct {
+		// The fields are ordered to reduce memory over caused by struct-padding
+		uint8_t       rcvstate;        // State Machine state
+		uint8_t       recvpin;         // Pin connected to IR data from detector
+		uint8_t       blinkpin;
+		uint8_t       blinkflag;       // true -> enable blinking of pin on IR processing
+		uint8_t       rawlen;          // counter of entries in rawbuf
+		unsigned int  timer;           // State timer, counts 50uS ticks.
+		unsigned int  rawbuf[RAWBUF];  // raw data
+		uint8_t       overflow;        // Raw buffer overflow occurred
+	}
+irparams_t;
+
+// ISR State-Machine : Receiver States
+#define STATE_IDLE      2
+#define STATE_MARK      3
+#define STATE_SPACE     4
+#define STATE_STOP      5
+#define STATE_OVERFLOW  6
+
+// Allow all parts of the code access to the ISR data
+// NB. The data can be changed by the ISR at any time, even mid-function
+// Therefore we declare it as "volatile" to stop the compiler/CPU caching it
+EXTERN  volatile irparams_t  irparams;
+
+//------------------------------------------------------------------------------
+// Defines for blinking the LED
+//
+
+#if defined(CORE_LED0_PIN)
+#	define BLINKLED        CORE_LED0_PIN
+#	define BLINKLED_ON()   (digitalWrite(CORE_LED0_PIN, HIGH))
+#	define BLINKLED_OFF()  (digitalWrite(CORE_LED0_PIN, LOW))
+
+#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+#	define BLINKLED        13
+#	define BLINKLED_ON()   (PORTB |= B10000000)
+#	define BLINKLED_OFF()  (PORTB &= B01111111)
+
+#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
+#	define BLINKLED        0
+#	define BLINKLED_ON()   (PORTD |= B00000001)
+#	define BLINKLED_OFF()  (PORTD &= B11111110)
+
+#else
+#	define BLINKLED        13
+	#define BLINKLED_ON()  (PORTB |= B00100000)
+#	define BLINKLED_OFF()  (PORTB &= B11011111)
+#endif
+
+//------------------------------------------------------------------------------
+// CPU Frequency
+//
+#ifdef F_CPU
+#	define SYSCLOCK  F_CPU     // main Arduino clock
+#else
+#	define SYSCLOCK  16000000  // main Arduino clock
+#endif
+
+//------------------------------------------------------------------------------
+// Defines for setting and clearing register bits
+//
+#ifndef cbi
+#	define cbi(sfr, bit)  (_SFR_BYTE(sfr) &= ~_BV(bit))
+#endif
+
+#ifndef sbi
+#	define sbi(sfr, bit)  (_SFR_BYTE(sfr) |= _BV(bit))
+#endif
+
+//------------------------------------------------------------------------------
+// Pulse parms are ((X*50)-100) for the Mark and ((X*50)+100) for the Space.
+// First MARK is the one after the long gap
+// Pulse parameters in uSec
+//
+
+// Due to sensor lag, when received, Marks  tend to be 100us too long and
+//                                   Spaces tend to be 100us too short
+#define MARK_EXCESS    100
+
+// microseconds per clock interrupt tick
+#define USECPERTICK    50
+
+// Upper and Lower percentage tolerances in measurements
+#define TOLERANCE       25
+#define LTOL            (1.0 - (TOLERANCE/100.))
+#define UTOL            (1.0 + (TOLERANCE/100.))
+
+// Minimum gap between IR transmissions
+#define _GAP            5000
+#define GAP_TICKS       (_GAP/USECPERTICK)
+
+#define TICKS_LOW(us)   ((int)(((us)*LTOL/USECPERTICK)))
+#define TICKS_HIGH(us)  ((int)(((us)*UTOL/USECPERTICK + 1)))
+
+//------------------------------------------------------------------------------
+// IR detector output is active low
+//
+#define MARK   0
+#define SPACE  1
+
+//------------------------------------------------------------------------------
+// Define which timer to use
+//
+// Uncomment the timer you wish to use on your board.
+// If you are using another library which uses timer2, you have options to
+//   switch IRremote to use a different timer.
+//
+
+// Arduino Mega
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+	//#define IR_USE_TIMER1   // tx = pin 11
+	#define IR_USE_TIMER2     // tx = pin 9
+	//#define IR_USE_TIMER3   // tx = pin 5
+	//#define IR_USE_TIMER4   // tx = pin 6
+	//#define IR_USE_TIMER5   // tx = pin 46
+
+// Teensy 1.0
+#elif defined(__AVR_AT90USB162__)
+	#define IR_USE_TIMER1     // tx = pin 17
+
+// Teensy 2.0
+#elif defined(__AVR_ATmega32U4__)
+	//#define IR_USE_TIMER1   // tx = pin 14
+	//#define IR_USE_TIMER3   // tx = pin 9
+	#define IR_USE_TIMER4_HS  // tx = pin 10
+
+// Teensy 3.0 / Teensy 3.1
+#elif defined(__MK20DX128__) || defined(__MK20DX256__)
+	#define IR_USE_TIMER_CMT  // tx = pin 5
+
+// Teensy-LC
+#elif defined(__MKL26Z64__)
+  #define IR_USE_TIMER_TPM1 // tx = pin 16
+
+// Teensy++ 1.0 & 2.0
+#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__)
+	//#define IR_USE_TIMER1   // tx = pin 25
+	#define IR_USE_TIMER2     // tx = pin 1
+	//#define IR_USE_TIMER3   // tx = pin 16
+
+// Sanguino
+#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
+	//#define IR_USE_TIMER1   // tx = pin 13
+	#define IR_USE_TIMER2     // tx = pin 14
+
+// Atmega8
+#elif defined(__AVR_ATmega8P__) || defined(__AVR_ATmega8__)
+	#define IR_USE_TIMER1     // tx = pin 9
+
+// ATtiny84
+#elif defined(__AVR_ATtiny84__)
+  #define IR_USE_TIMER1     // tx = pin 6
+
+//ATtiny85
+#elif defined(__AVR_ATtiny85__)
+  #define IR_USE_TIMER_TINY0   // tx = pin 1
+
+// Arduino Duemilanove, Diecimila, LilyPad, Mini, Fio, Nano, etc
+#else
+	//#define IR_USE_TIMER1   // tx = pin 9
+	#define IR_USE_TIMER2     // tx = pin 3
+
+#endif
+
+//------------------------------------------------------------------------------
+// Defines for Timer
+
+//---------------------------------------------------------
+// Timer2 (8 bits)
+//
+#if defined(IR_USE_TIMER2)
+
+#define TIMER_RESET
+#define TIMER_ENABLE_PWM    (TCCR2A |= _BV(COM2B1))
+#define TIMER_DISABLE_PWM   (TCCR2A &= ~(_BV(COM2B1)))
+#define TIMER_ENABLE_INTR   (TIMSK2 = _BV(OCIE2A))
+#define TIMER_DISABLE_INTR  (TIMSK2 = 0)
+#define TIMER_INTR_NAME     TIMER2_COMPA_vect
+
+#define TIMER_CONFIG_KHZ(val) ({ \
+	const uint8_t pwmval = SYSCLOCK / 2000 / (val); \
+	TCCR2A               = _BV(WGM20); \
+	TCCR2B               = _BV(WGM22) | _BV(CS20); \
+	OCR2A                = pwmval; \
+	OCR2B                = pwmval / 3; \
+})
+
+#define TIMER_COUNT_TOP  (SYSCLOCK * USECPERTICK / 1000000)
+
+//-----------------
+#if (TIMER_COUNT_TOP < 256)
+#	define TIMER_CONFIG_NORMAL() ({ \
+		TCCR2A = _BV(WGM21); \
+		TCCR2B = _BV(CS20); \
+		OCR2A  = TIMER_COUNT_TOP; \
+		TCNT2  = 0; \
+	})
+#else
+#	define TIMER_CONFIG_NORMAL() ({ \
+		TCCR2A = _BV(WGM21); \
+		TCCR2B = _BV(CS21); \
+		OCR2A  = TIMER_COUNT_TOP / 8; \
+		TCNT2  = 0; \
+	})
+#endif
+
+//-----------------
+#if defined(CORE_OC2B_PIN)
+#	define TIMER_PWM_PIN  CORE_OC2B_PIN  // Teensy
+#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+#	define TIMER_PWM_PIN  9              // Arduino Mega
+#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
+#	define TIMER_PWM_PIN  14             // Sanguino
+#else
+#	define TIMER_PWM_PIN  3              // Arduino Duemilanove, Diecimila, LilyPad, etc
+#endif
+
+//---------------------------------------------------------
+// Timer1 (16 bits)
+//
+#elif defined(IR_USE_TIMER1)
+
+#define TIMER_RESET
+#define TIMER_ENABLE_PWM   (TCCR1A |= _BV(COM1A1))
+#define TIMER_DISABLE_PWM  (TCCR1A &= ~(_BV(COM1A1)))
+
+//-----------------
+#if defined(__AVR_ATmega8P__) || defined(__AVR_ATmega8__)
+#	define TIMER_ENABLE_INTR   (TIMSK |= _BV(OCIE1A))
+#	define TIMER_DISABLE_INTR  (TIMSK &= ~_BV(OCIE1A))
+#else
+#	define TIMER_ENABLE_INTR   (TIMSK1 = _BV(OCIE1A))
+#	define TIMER_DISABLE_INTR  (TIMSK1 = 0)
+#endif
+
+//-----------------
+#define TIMER_INTR_NAME       TIMER1_COMPA_vect
+
+#define TIMER_CONFIG_KHZ(val) ({ \
+	const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
+	TCCR1A                = _BV(WGM11); \
+	TCCR1B                = _BV(WGM13) | _BV(CS10); \
+	ICR1                  = pwmval; \
+	OCR1A                 = pwmval / 3; \
+})
+
+#define TIMER_CONFIG_NORMAL() ({ \
+	TCCR1A = 0; \
+	TCCR1B = _BV(WGM12) | _BV(CS10); \
+	OCR1A  = SYSCLOCK * USECPERTICK / 1000000; \
+	TCNT1  = 0; \
+})
+
+//-----------------
+#if defined(CORE_OC1A_PIN)
+#	define TIMER_PWM_PIN  CORE_OC1A_PIN  // Teensy
+#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+#	define TIMER_PWM_PIN  11             // Arduino Mega
+#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
+#	define TIMER_PWM_PIN  13             // Sanguino
+#elif defined(__AVR_ATtiny84__)
+# define TIMER_PWM_PIN  6
+#else
+#	define TIMER_PWM_PIN  9              // Arduino Duemilanove, Diecimila, LilyPad, etc
+#endif
+
+//---------------------------------------------------------
+// Timer3 (16 bits)
+//
+#elif defined(IR_USE_TIMER3)
+
+#define TIMER_RESET
+#define TIMER_ENABLE_PWM     (TCCR3A |= _BV(COM3A1))
+#define TIMER_DISABLE_PWM    (TCCR3A &= ~(_BV(COM3A1)))
+#define TIMER_ENABLE_INTR    (TIMSK3 = _BV(OCIE3A))
+#define TIMER_DISABLE_INTR   (TIMSK3 = 0)
+#define TIMER_INTR_NAME      TIMER3_COMPA_vect
+
+#define TIMER_CONFIG_KHZ(val) ({ \
+  const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
+  TCCR3A = _BV(WGM31); \
+  TCCR3B = _BV(WGM33) | _BV(CS30); \
+  ICR3 = pwmval; \
+  OCR3A = pwmval / 3; \
+})
+
+#define TIMER_CONFIG_NORMAL() ({ \
+  TCCR3A = 0; \
+  TCCR3B = _BV(WGM32) | _BV(CS30); \
+  OCR3A = SYSCLOCK * USECPERTICK / 1000000; \
+  TCNT3 = 0; \
+})
+
+//-----------------
+#if defined(CORE_OC3A_PIN)
+#	define TIMER_PWM_PIN  CORE_OC3A_PIN  // Teensy
+#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+#	define TIMER_PWM_PIN  5              // Arduino Mega
+#else
+#	error "Please add OC3A pin number here\n"
+#endif
+
+//---------------------------------------------------------
+// Timer4 (10 bits, high speed option)
+//
+#elif defined(IR_USE_TIMER4_HS)
+
+#define TIMER_RESET
+#define TIMER_ENABLE_PWM    (TCCR4A |= _BV(COM4A1))
+#define TIMER_DISABLE_PWM   (TCCR4A &= ~(_BV(COM4A1)))
+#define TIMER_ENABLE_INTR   (TIMSK4 = _BV(TOIE4))
+#define TIMER_DISABLE_INTR  (TIMSK4 = 0)
+#define TIMER_INTR_NAME     TIMER4_OVF_vect
+
+#define TIMER_CONFIG_KHZ(val) ({ \
+	const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
+	TCCR4A                = (1<<PWM4A); \
+	TCCR4B                = _BV(CS40); \
+	TCCR4C                = 0; \
+	TCCR4D                = (1<<WGM40); \
+	TCCR4E                = 0; \
+	TC4H                  = pwmval >> 8; \
+	OCR4C                 = pwmval; \
+	TC4H                  = (pwmval / 3) >> 8; \
+	OCR4A                 = (pwmval / 3) & 255; \
+})
+
+#define TIMER_CONFIG_NORMAL() ({ \
+	TCCR4A = 0; \
+	TCCR4B = _BV(CS40); \
+	TCCR4C = 0; \
+	TCCR4D = 0; \
+	TCCR4E = 0; \
+	TC4H   = (SYSCLOCK * USECPERTICK / 1000000) >> 8; \
+	OCR4C  = (SYSCLOCK * USECPERTICK / 1000000) & 255; \
+	TC4H   = 0; \
+	TCNT4  = 0; \
+})
+
+//-----------------
+#if defined(CORE_OC4A_PIN)
+#	define TIMER_PWM_PIN  CORE_OC4A_PIN  // Teensy
+#elif defined(__AVR_ATmega32U4__)
+#	define TIMER_PWM_PIN  13             // Leonardo
+#else
+#	error "Please add OC4A pin number here\n"
+#endif
+
+//---------------------------------------------------------
+// Timer4 (16 bits)
+//
+#elif defined(IR_USE_TIMER4)
+
+#define TIMER_RESET
+#define TIMER_ENABLE_PWM    (TCCR4A |= _BV(COM4A1))
+#define TIMER_DISABLE_PWM   (TCCR4A &= ~(_BV(COM4A1)))
+#define TIMER_ENABLE_INTR   (TIMSK4 = _BV(OCIE4A))
+#define TIMER_DISABLE_INTR  (TIMSK4 = 0)
+#define TIMER_INTR_NAME     TIMER4_COMPA_vect
+
+#define TIMER_CONFIG_KHZ(val) ({ \
+  const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
+  TCCR4A = _BV(WGM41); \
+  TCCR4B = _BV(WGM43) | _BV(CS40); \
+  ICR4 = pwmval; \
+  OCR4A = pwmval / 3; \
+})
+
+#define TIMER_CONFIG_NORMAL() ({ \
+  TCCR4A = 0; \
+  TCCR4B = _BV(WGM42) | _BV(CS40); \
+  OCR4A = SYSCLOCK * USECPERTICK / 1000000; \
+  TCNT4 = 0; \
+})
+
+//-----------------
+#if defined(CORE_OC4A_PIN)
+#	define TIMER_PWM_PIN  CORE_OC4A_PIN
+#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+#	define TIMER_PWM_PIN  6  // Arduino Mega
+#else
+#	error "Please add OC4A pin number here\n"
+#endif
+
+//---------------------------------------------------------
+// Timer5 (16 bits)
+//
+#elif defined(IR_USE_TIMER5)
+
+#define TIMER_RESET
+#define TIMER_ENABLE_PWM    (TCCR5A |= _BV(COM5A1))
+#define TIMER_DISABLE_PWM   (TCCR5A &= ~(_BV(COM5A1)))
+#define TIMER_ENABLE_INTR   (TIMSK5 = _BV(OCIE5A))
+#define TIMER_DISABLE_INTR  (TIMSK5 = 0)
+#define TIMER_INTR_NAME     TIMER5_COMPA_vect
+
+#define TIMER_CONFIG_KHZ(val) ({ \
+  const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
+  TCCR5A = _BV(WGM51); \
+  TCCR5B = _BV(WGM53) | _BV(CS50); \
+  ICR5 = pwmval; \
+  OCR5A = pwmval / 3; \
+})
+
+#define TIMER_CONFIG_NORMAL() ({ \
+  TCCR5A = 0; \
+  TCCR5B = _BV(WGM52) | _BV(CS50); \
+  OCR5A = SYSCLOCK * USECPERTICK / 1000000; \
+  TCNT5 = 0; \
+})
+
+//-----------------
+#if defined(CORE_OC5A_PIN)
+#	define TIMER_PWM_PIN  CORE_OC5A_PIN
+#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+#	define TIMER_PWM_PIN  46  // Arduino Mega
+#else
+#	error "Please add OC5A pin number here\n"
+#endif
+
+//---------------------------------------------------------
+// Special carrier modulator timer
+//
+#elif defined(IR_USE_TIMER_CMT)
+
+#define TIMER_RESET ({     \
+	uint8_t tmp = CMT_MSC; \
+	CMT_CMD2 = 30;         \
+})
+
+#define TIMER_ENABLE_PWM  do {                                         \
+	CORE_PIN5_CONFIG = PORT_PCR_MUX(2) | PORT_PCR_DSE | PORT_PCR_SRE;  \
+} while(0)
+
+#define TIMER_DISABLE_PWM  do {                                        \
+	CORE_PIN5_CONFIG = PORT_PCR_MUX(1) | PORT_PCR_DSE | PORT_PCR_SRE;  \
+} while(0)
+
+#define TIMER_ENABLE_INTR   NVIC_ENABLE_IRQ(IRQ_CMT)
+#define TIMER_DISABLE_INTR  NVIC_DISABLE_IRQ(IRQ_CMT)
+#define TIMER_INTR_NAME     cmt_isr
+
+//-----------------
+#ifdef ISR
+#	undef ISR
+#endif
+#define  ISR(f)  void f(void)
+
+//-----------------
+#if (F_BUS == 48000000)
+#	define CMT_PPS_VAL  5
+#else
+#	define CMT_PPS_VAL  2
+#endif
+
+//-----------------
+#define TIMER_CONFIG_KHZ(val) ({ 	 \
+	SIM_SCGC4 |= SIM_SCGC4_CMT;      \
+	SIM_SOPT2 |= SIM_SOPT2_PTD7PAD;  \
+	CMT_PPS    = CMT_PPS_VAL;        \
+	CMT_CGH1   = 2667 / val;         \
+	CMT_CGL1   = 5333 / val;         \
+	CMT_CMD1   = 0;                  \
+	CMT_CMD2   = 30;                 \
+	CMT_CMD3   = 0;                  \
+	CMT_CMD4   = 0;                  \
+	CMT_OC     = 0x60;               \
+	CMT_MSC    = 0x01;               \
+})
+
+#define TIMER_CONFIG_NORMAL() ({  \
+	SIM_SCGC4 |= SIM_SCGC4_CMT;   \
+	CMT_PPS    = CMT_PPS_VAL;     \
+	CMT_CGH1   = 1;               \
+	CMT_CGL1   = 1;               \
+	CMT_CMD1   = 0;               \
+	CMT_CMD2   = 30               \
+	CMT_CMD3   = 0;               \
+	CMT_CMD4   = 19;              \
+	CMT_OC     = 0;               \
+	CMT_MSC    = 0x03;            \
+})
+
+#define TIMER_PWM_PIN  5
+
+// defines for TPM1 timer on Teensy-LC
+#elif defined(IR_USE_TIMER_TPM1)
+#define TIMER_RESET          FTM1_SC |= FTM_SC_TOF;
+#define TIMER_ENABLE_PWM     CORE_PIN16_CONFIG = PORT_PCR_MUX(3)|PORT_PCR_DSE|PORT_PCR_SRE
+#define TIMER_DISABLE_PWM    CORE_PIN16_CONFIG = PORT_PCR_MUX(1)|PORT_PCR_SRE
+#define TIMER_ENABLE_INTR    NVIC_ENABLE_IRQ(IRQ_FTM1)
+#define TIMER_DISABLE_INTR   NVIC_DISABLE_IRQ(IRQ_FTM1)
+#define TIMER_INTR_NAME      ftm1_isr
+#ifdef ISR
+#undef ISR
+#endif
+#define ISR(f) void f(void)
+#define TIMER_CONFIG_KHZ(val) ({                     \
+	SIM_SCGC6 |= SIM_SCGC6_TPM1;                 \
+	FTM1_SC = 0;                                 \
+	FTM1_CNT = 0;                                \
+	FTM1_MOD = (F_PLL/2000) / val - 1;           \
+	FTM1_C0V = (F_PLL/6000) / val - 1;           \
+	FTM1_SC = FTM_SC_CLKS(1) | FTM_SC_PS(0);     \
+})
+#define TIMER_CONFIG_NORMAL() ({                     \
+	SIM_SCGC6 |= SIM_SCGC6_TPM1;                 \
+	FTM1_SC = 0;                                 \
+	FTM1_CNT = 0;                                \
+	FTM1_MOD = (F_PLL/40000) - 1;                \
+	FTM1_C0V = 0;                                \
+	FTM1_SC = FTM_SC_CLKS(1) | FTM_SC_PS(0) | FTM_SC_TOF | FTM_SC_TOIE; \
+})
+#define TIMER_PWM_PIN        16
+
+// defines for timer_tiny0 (8 bits)
+#elif defined(IR_USE_TIMER_TINY0)
+#define TIMER_RESET
+#define TIMER_ENABLE_PWM     (TCCR0A |= _BV(COM0B1))
+#define TIMER_DISABLE_PWM    (TCCR0A &= ~(_BV(COM0B1)))
+#define TIMER_ENABLE_INTR    (TIMSK |= _BV(OCIE0A))
+#define TIMER_DISABLE_INTR   (TIMSK &= ~(_BV(OCIE0A)))
+#define TIMER_INTR_NAME      TIMER0_COMPA_vect
+#define TIMER_CONFIG_KHZ(val) ({ \
+  const uint8_t pwmval = SYSCLOCK / 2000 / (val); \
+  TCCR0A = _BV(WGM00); \
+  TCCR0B = _BV(WGM02) | _BV(CS00); \
+  OCR0A = pwmval; \
+  OCR0B = pwmval / 3; \
+})
+#define TIMER_COUNT_TOP      (SYSCLOCK * USECPERTICK / 1000000)
+#if (TIMER_COUNT_TOP < 256)
+#define TIMER_CONFIG_NORMAL() ({ \
+  TCCR0A = _BV(WGM01); \
+  TCCR0B = _BV(CS00); \
+  OCR0A = TIMER_COUNT_TOP; \
+  TCNT0 = 0; \
+})
+#else
+#define TIMER_CONFIG_NORMAL() ({ \
+  TCCR0A = _BV(WGM01); \
+  TCCR0B = _BV(CS01); \
+  OCR0A = TIMER_COUNT_TOP / 8; \
+  TCNT0 = 0; \
+})
+#endif
+
+#define TIMER_PWM_PIN        1  /* ATtiny85 */
+
+//---------------------------------------------------------
+// Unknown Timer
+//
+#else
+#	error "Internal code configuration error, no known IR_USE_TIMER# defined\n"
+#endif
+#endif