drvfmradiowrite.c

ecos FM radio driver

//===========================================================================
//      The information contained herein is the exclusive property of
//      Sunplus Technology Co。 And shall not be distributed, reproduced,
//      or disclosed in whole in part without prior written permission
//       (C) COPYRIGHT 2001   SUNPLUS TECHNOLOGY CO
//       ALL RIGHTS RESERVED
//       The entire notice above must be reproduced on all authorized copies
//===========================================================================
//  Filename   : DrvFMRadioWrite.c
//  Author     : guoquan
//  Tel        : 
//  Date       : 2005/11/21
//  Description: 将准备好的5字节数据写入到5767中
//  Reference  :
//
//  Version history:				   
//---------------------------------------------------------------------------
//  Version   YYYY-MM-DD-INDEX   Modified By         Description
//---------------------------------------------------------------------------
//  1.0.0	    2005-11-21		  guoquan	           初始版本
//===========================================================================

//===========================================================================
//include file list
//===========================================================================
#include ".\system\TypeDefine.h"
#include ".\system\SysAssert.h"
#include ".\Driver\FMRadio\DrvFMRadioPrivate.h"
#include ".\Driver\FMRadio\DrvFMRadio.h"

#ifdef __FMRadio_5767__
//===========================================================================
//Function   :	FMRadioWriteSTR
//Description: 	将准备好的5字节数据写入到5767中
//Syntax     :	void DrvFMRadioWrite(void)
//Parameters :	NONE
//Return     :	NONE
//Notes      :	NONE
//===========================================================================
void DrvFMRadioWrite(void)
{
    UCHAR ucCount;	
	
	//发送起始位
	FMRadioI2CSendStart();
	
	//发送5字节数据
	if(TRUE == FMRadioI2CSendByte(0xC0))
    {
        for (ucCount = 0; ucCount < 5; ucCount++)
        {
	    	if (FALSE == FMRadioI2CSendByte(g_ucFMRadioWriteData[ucCount])) 
           	{
            	break;
           	}
        }
    }
    
    //发送停止位
    FMRadioI2CSendStop(); 
              
    FMRadioI2CDelay(C_FMRadioDelayNum); 
}
#endif

#ifdef __FMRadio_NS953__
code UCHAR g_ucFMRadioSetData[14] = \
				{0x12, 0x00, 0xC0, 0x46, 0xC3, 0x61, 0x88, 0x5D, 0x0F, 0x8C, 0x28, 0x8C, 0x04, 0x00 };

//===========================================================================
//Function   :	FMRadioWriteSTR
//Description: 	将指定地址的数据写入到953中
//Syntax     :	void DrvFMRadioWrite(UCHAR ucAddr, UCHAR ucData)
//Parameters :	UCHAR ucAddr		地址
//				UCHAR ucData		数据
//Return     :	NONE
//Notes      :	NONE
//===========================================================================
void DrvFMRadioWrite(UCHAR ucAddr, UCHAR ucData)
{
	
	//发送起始位
	FMRadioI2CSendStart();
	
	FMRadioI2CSendByte(0xc8);
	FMRadioI2CSendByte(ucAddr); 
	FMRadioI2CSendByte(ucData); 	
	    
    //发送停止位
    FMRadioI2CSendStop(); 
              
    FMRadioI2CDelay(C_FMRadioDelayNum); 
}

//===========================================================================
//Function   :	FMRadioWriteSTR
//Description: 	将指定地址的数据写入到953中
//Syntax     :	void DrvFMRadioWrite(UCHAR ucAddr, UCHAR ucData)
//Parameters :	UCHAR ucAddr		地址
//				UCHAR ucData		数据
//Return     :	NONE
//Notes      :	NONE
//===========================================================================
void DrvFMRadioWriteAllData(void)
{	
	UCHAR ucCount;
		
	//发送起始位
	FMRadioI2CSendStart();
	
	FMRadioI2CSendByte(0xc8);
	FMRadioI2CSendByte(0x00); 	
	
	for(ucCount = 0; ucCount < 14; ucCount++)
	{
		FMRadioI2CSendByte(g_ucFMRadioSetData[ucCount]);	
	}    

    //发送停止位
    FMRadioI2CSendStop(); 
	
    FMRadioI2CDelay(C_FMRadioDelayNum);
}	 
#endif

#ifdef _LV2400_
//===========================================================================
//Function   :	IoWriteI2CBus0
//Description: 	Write 16 bit data to LV24200-device
//Syntax     :	unsigned char IoWriteI2CBus0(unsigned char byLow, unsigned char byHigh)
//Parameters :	unsigned char byLow			低位数据
//				unsigned char byHigh		高位数据
//Return     :	0               			成功
//				Others          			错误代码
//Notes      :	NONE
//===========================================================================
unsigned char DrvFMRadioWrite(unsigned char ucData, unsigned char ucAddr)
{
	unsigned char ucResult;

	//假定发生没有应答错误
	ucResult = LVLS_NO_DEV_ACK_ERR;

	//发送其始位
	FMRadioI2CSendStart();

	//开始发送，首先发送控制命令
	if(TRUE == FMRadioI2CSendByte(LV24200_I2C_ADDR_W))	
	{
		//发送地址
		if(TRUE == FMRadioI2CSendByte(ucAddr))
		{
			//发送数据
			if(TRUE == FMRadioI2CSendByte(ucData))
			{
				//发送成功
				ucResult = LVLS_NO_ERROR;
			}
			else
			{
				sysprintf("fm ack err1\n");
		
			}

		}
	}
	else
	{
	 	sysprintf("fm ack err0\n");

	}


    //发送停止位
   	FMRadioI2CSendStop(); 
   
   	FMRadioI2CDelay(C_FMRadioDelayNum);

	return(ucResult);
}

#endif