main.c

2.4G无线音箱的接收程序,采用ATMEGA8单片机和STS公司的无线模块完成

/******************************************************************************
*
* Purpose:     Example Code for different applications
*
*		the different applications are configured by 3 config bytes
*
*	ConfigByte 1:
*		Bit 0-4	: Application selection 
*		Bit 5 	: 1 = MU, 0 = CU
*		Bit 6	: 1 = MAXIM 2830 Revision 1 (should always be zero)
*		Bit 7	: 1 = Startup Sniffer on
*
*	ConfigByte 2:
*		Bit 0-3	: Stream Enable
*		Bit 4	: 1 = Auto Snooze enable auto powerdown when no audio is detected
*		Bit 5   : Reserved (Production) (should always be zero)
*		Bit 6   : 1 = Use SPDIF as Audio Interface | 0 = I2S
*		Bit 7   : 1 = Use Compressed during audio transfer.
*
*	ConfigByte 3:
*		Bit 0	: 1 = CU_With_Standalone_MU
*		Bit 1	: free
*		Bit 2	: 1 = Monitor_Func
*		Bit 3	: 1 = MUCU Swap function active i.s.o. sniff
*		Bit 4-7	: free
*
* Creator:      Rob Lansbergen
*
* Version:		$Revision: 5 $
*
* File Name:	$Workfile: main.c $
*
* Author:		Rob Lansbergen
*
* Check in:		$Author: Chong.cheeleong $
*
* The information is provided 揳s is?without any express or implied warranty  
* of any kind, * including warranties of merchantability, noninfringement of   
* intellectual property, or fitness for any particular purpose. In no event sha
* Wireless Sound Solutions and/or its affiliate companies, or its suppliers be 
* liable for any damages whatsoever arising out of the use of or inability to  
* use the information or the materials. Wireless Sound Solutions, its affiliate
* companies, and its suppliers further do not warrant the accuracy or          
* completeness of information, text, graphics, or other items contained within 
* materials. Wireless Sound Solutions, Inc., may make changes to materials, or 
* the products described within, at any time, without notice.                  
* ?007 Wireless Sound Solutions. All rights reserved. Wireless Sound Solutions
* STS and STS-wireless are trademarks of Wireless Sound Solutions.        
*******************************************************************************/

/*
** Include files
** -------------
*/
#include <ina90.h>
#include <stdio.h>
#include "defines.h"
int Key_PB2,PB0_Delay_High_Count;
char key_low,key_high,key_state;
char pb0_mute_delay_count0,pb0_mute_delay_count1;	//delay 0.5s

/** For more information about this code check the Application node 2 **/


void MCU_Sleep_Idle(void);

void main(void)
{
	Key_PB2=0;
    PB0_Delay_High_Count=0;
	pb0_mute_delay_count0=0;
	pb0_mute_delay_count1=0;
	key_low=0;
	key_high=0;
	key_state=0;
    MCU_init();
  DDRB = DDRB | 0x03;  /* set PB 0, 1 to high 		OUT*/
  DDRB = DDRB & 0xFB;  /* 1111 1011 set PB 2  to LOW			IN   */
  PORTB = PORTB & 0xFE;	//PB0=0//
  PORTB = PORTB | 0x02;	//PB1=1//
  pd5_mute_ctrl(0);
  
#ifdef CONT_TXRX		

    Cont_TX_RX(1, 3, 0); /* CONT_TX | RF3 | Ant A */
    
#else        
    
	/* This define is declared in MCU_Func.h */
	FILL_CONFIG_BYTES;	/* Fills the 3 config bytes to define application see top of source code */
	
	init_application();
	
	/* start DFE loop */
	while (1)
	{

        if(PB0_Delay_High_Count!=300)    //delay 3s
        {
          PB0_Delay_High_Count=PB0_Delay_High_Count+1;
          if(PB0_Delay_High_Count==300)
          {
            PORTB=PORTB | 0x01;
          }
        }
        Key_PB2=Key_PB2+1;
		
        if(Key_PB2==20)
        {
          if(VOL_Close_Open_SW==0)
          	{
          	key_low=1;
			key_high=0;
          	}
		  else
		  	{
		  	key_high=1;
			if((key_low==1) &&(key_high==1))
				{
				if (!key_state)
					{
					key_state=1;
					PORTB = PORTB & 0xFD;		//PB1=0; mute
					}
				else
					{
					key_state=0;
					PORTB = PORTB | 0x02;		//PB1=1; no mute
					}
				}
			key_low=0;
		  	}
		  
		  Key_PB2=0;
		  
        }
		SetVolume_CS4341(0x00, 0x00);
		
		Check_Application_Events();
		/* Poll interrupt */
		if (CHECK_INTERRUPT_PIN)
		{
			DARR_Interrupt_Handler();
		}
                
//        MCU_Sleep_Idle();
        
	}
    
#endif    
    
} /* end main */

void Write_Eeprom(void)
{
	/*** This function should program the configuration bytes to Eeprom ***/
}
void MCU_Sleep_Idle(void)
{
    MCUCR = MCUCR | 0x80; /* Set Sleep to Idle Mode */  
    _SLEEP();             /* Enter Sleep */
    /* Important note: */
    /* During Idle mode, ADC will automatically start to run in single conversion mode when CPU halts */
    /* Analog input ADC6 is used to acquire battery level. */
    /* When battery level falls below 2.8V, Codec shuts down and LED blinks */
    
}