ir_nec.h

主要用于液晶电视解码,内置51单片机,全部代码用C编写,编译环境为KEILC

/******************************************************************************
 Copyright (c) 2003 MStar Semiconductor, Inc.
 All rights reserved.

 [Module Name]: Ir.h
 [Date]:
 [Comment]:
   Remote control header file.
 [Reversion History]:
*******************************************************************************/
#ifdef IR_NEC
#ifndef _IR_H
#define _IR_H

#include "mcu.h"

#include "irfunc.h"


#ifdef _IR_C_
#define _IRDEC_
#else
#define _IRDEC_ extern
#endif

///////////////////////
// IR Option
///////////////////////
//#define IR_DEBUG_EN

// IR user timer
#define IR_USE_TIMER1    0
#define IR_USE_TIMER2    1

  #define IR_TIMER_SEL     IR_USE_TIMER2

//////////////////////////////////////
// Definition
//////////////////////////////////////
#define pinIr    P3_3


#define IR_DELAY_TIME  (3000 / ISR_TIMER0_INTERVAL) // IR command start in INT1 to IR command end time
#define IR_DELAY_TIME0 (500 / ISR_TIMER0_INTERVAL)  // IR 1st command to repeat command delay time
#define IR_DELAY_TIME1 (100 / ISR_TIMER0_INTERVAL)  // IR command hold time after last repeat command

#define IR_REPEAT_START_TIME    (500 / ISR_TIMER0_INTERVAL)
#define IR_REPEAT_END_TIME      (550 / ISR_TIMER0_INTERVAL)

//////////////////////////////////////////////////////////////////
// Variables
//////////////////////////////////////////////////////////////////

// IR recieve action
_IRDEC_ bit g_bIrError;   // IR command receive error flag
_IRDEC_ bit g_bIrDetect;  // IR command detect flag
_IRDEC_ bit g_bIrCommand; // IR command input hold flag
_IRDEC_ bit g_bIrExecute; // IR command 1st execute busy flag
_IRDEC_ bit g_bIrTime;    // IR command end & start delay timer

_IRDEC_ bit g_bIrRepeat;  // IR command repeat flag
_IRDEC_ bit g_bIrCheckRepeat; // check repeat in MCU Timer0(delay to repeat)
_IRDEC_ bit g_bIrRepeatStatus;  // IR command repeat status

_IRDEC_ BYTE g_ucIrBitsCnt; // IR bits counter
_IRDEC_ WORD g_wIrPeriodCnt; // IR single period counter
_IRDEC_ BYTE g_ucIrDataFifo; // IR data FIFO

_IRDEC_ XDATA WORD g_wIrCycleTimer; // IR total cycle timer
#ifdef IR_DEBUG_EN
_IRDEC_ XDATA BYTE g_ucAddresCode0; // IR address code 0
_IRDEC_ XDATA BYTE g_ucAddresCode1; // IR address code 1
#endif
_IRDEC_ XDATA BYTE g_ucDataCode; // IR data code

_IRDEC_ XDATA BYTE g_ucIrCode; // IR code
_IRDEC_ XDATA WORD g_wIrTimer; // IR timer

//_IRDEC_ XDATA WORD g_wIrNumKeyTimer; // IR number key timer

//////////////////////////////////////
// Subroutines
//////////////////////////////////////
_IRDEC_ void irInterruptProcess_NewClk(void);
_IRDEC_ void irInterruptProcess(void);
_IRDEC_ void irDetectTimer0(void);
_IRDEC_ void irDetectTimer1(void);

_IRDEC_ void irDecodeRepaeat(WORD wRepeatTime);
_IRDEC_ void irDecodeEnd(void);

#ifdef IR_DEBUG_EN
_IRDEC_ void DebugIRHandler(void);
#endif

#if IRSEND_ENABLE
_IRDEC_ void IRSendHandle(void);
_IRDEC_ void IRSendInital(BYTE ComData);
#endif

#endif
#endif