audet_m04_c2.c

sircs decoder, for amplifier.. this is to decode

/****************************************************************************************************/
/* $Header  : 																	  					
/* AUTHOR 	: 														  						
/* FILE NAME: AUDET_M04_C2.C														  						
/* PURPOSE	: AUDIO DETECTION CONTROL													  						
/* MODEL	: 2004 CIS 2-CH AMP 									  						
/* Copyright (c) 2003 Sony Corporation All Rights Reserved					  						
/****************************************************************************************************/
#define	_AUDET_C

#include "_main_M04_C2.h"
/****************************************************************************************************/
/* FUNCTION		:	AuDeTInitialize																		
/* PURPOSE		:	Audio Detection Initialize						  										
/* INPUT		:	None																			
/* RETURN VALUE	:	None																			
/****************************************************************************************************/
void AuDetInitialize(void)
{
	AU_DET.AuSense = CLEAR;
	AU_DET.AuSenFirst = SET;
	AU_DET.IRInput.flag = CLEAR;
	AU_DET._12VTrg = CLEAR;
	AU_DET.FirstOn = SET;
	AuSenseCntOff = CLEAR;
	AuSenseCntOn = CLEAR;
	_12TrigCntOff = CLEAR;	
	_12TrigCntOn = CLEAR;
	return;
}
/****************************************************************************************************/
/* FUNCTION		:	Audio Detection Control																		
/* PURPOSE		:	Audio Detection control 					  										
/* INPUT		:	None																			
/* RETURN VALUE	:	None																			
/****************************************************************************************************/
#define _ChatTime 3
void AuDetControl(void)
{	
		
	if (Is10msAInterval()) {
		if(PowWork.Prtc==ON){
			return;
		}else if(Bak.Buzy){				/* c/m for 1st time power on(eeprom blank) eeprom backup power off */
			return;
		}
		
		AU_DET.AuSense = CLEAR;
		AU_DET.IRInput.flag = CLEAR;
		AU_DET._12VTrg = CLEAR;
		/***   Detect mode info Get ***/
		if (P_SEL_AUDIO_SENSE == SET){
			AU_DET.AuSense = SET;
		}else if (P_SEL_IR_IN == SET){
			AU_DET.IRInput.flag = SET;
		}else if (P_SEL_12V_TRIG == SET){ 
			AU_DET._12VTrg = SET;
		}
		
		if (AU_DET.IRInput.flag == SET){
			AU_DET.FirstOn = CLEAR;
			AU_DET.AuSenFirst = SET;
			if(Power.Flag.PowOnSel != Power.Flag.PowOn){
				EventExecute(EV_IRINPUTPOWER, TRUE);  
			}
		}else if (AU_DET.AuSense == SET){
			AU_DET.FirstOn = CLEAR;
			if ((Power.Flag.PowOn == ON) && (P_AU_SENSEOFF == ON)){		
				if (AU_DET.AuSenFirst == ON){								/* Power OFF when 1st time ON */ 	 
					AU_DET.AuSenFirst = CLEAR;
					AuSenseCntOff = CLEAR;
					EventExecute(EV_POWEROFF, TRUE);  
				}else{
					if (Timer.A1Sec) {
						if (++AuSenseCntOff == _3min){					/* Power OFF if no audio signal detected for 3 minutes */ 	
							AuSenseCntOff = CLEAR;
							EventExecute(EV_POWEROFF, TRUE);
						}
					}
				}
			} else {
				AU_DET.AuSenFirst = CLEAR;
				AuSenseCntOff = CLEAR;
				if ((Power.Flag.PowOn == OFF)&& (P_AU_SENSEOFF == OFF)){/* Got Audio signal? */
					if (++AuSenseCntOn == _ChatTime){					/* Power ON after 3 times chattering */
						AuSenseCntOn = CLEAR;
						EventExecute(EV_POWERON, TRUE);
					}
				} else {
					AuSenseCntOn = CLEAR;
				}
			}
		} else if (AU_DET._12VTrg == SET){
			AU_DET.AuSenFirst = SET;
			if ((Power.Flag.PowOn == ON) && (P_12V_TRIG_IN == HIGH)){	
				if (AU_DET.FirstOn == ON){								/* Power OFF when 1st time ON */
					AU_DET.FirstOn = CLEAR;
					_12TrigCntOff = CLEAR;
					EventExecute(EV_POWEROFF, TRUE);  
				}else{
					if (++_12TrigCntOff == _ChatTime){					/* Power OFF after 3 times chattering */
						_12TrigCntOff = CLEAR;
						EventExecute(EV_POWEROFF, TRUE);
					}
				}
			} else {
				AU_DET.FirstOn = CLEAR;
				_12TrigCntOff = CLEAR;
				if ((Power.Flag.PowOn == OFF)&& (P_12V_TRIG_IN == LOW)){/* Got 12V Trigger? */ 
					if (++_12TrigCntOn == _ChatTime){					/* Power ON after 3 times chattering */
						_12TrigCntOn = CLEAR;
						EventExecute(EV_POWERON, TRUE);
					}
				} else {
					_12TrigCntOn = CLEAR;
				}
			}
		} 
						
	}
	return;
}