initialize.h

DSP中实现的RS编码+MFSK调制的实现

void init_emif(void)
{

*EGCR=0x3060;       
*EMI_RST=0xFFFF;    	   

*CE0_1=0x300C;	   	   
*CE1_1=0x131A;     
*CE1_2=0xF31A;	   	 
*CE1_3=0x00FF;

*SDC1=0x71FF;	       
*SDC2=0x03FF;
*SDPER=0x0FFF;	   	   	     	
*INIT=0x07FF;	   	  
}

void init_mcBSP2(void)
{
//*SPCR1_2=0x3001;  //spcr1 DBL=0,
//*SPCR2_2=0x02E1;  //spcr2
*RCR1_2=0x0040;  //rcr1
*RCR2_2=0x0045;  //rcr2
*XCR1_2=0x0040;  //xcr1
*XCR2_2=0x0045;  //xcr2
*SRGR1_2=0x010E;  //srgr1
*SRGR2_2=0x2007;  //srgr2
*MCR1_2=0x0001;   //mcr1
*MCR2_2=0x0001;   //mcr2

*PCR2=0x0A0B;  //pcr

*XCERA_2=0x0001;  //xcera
  }
void open_mcBSP2()
{
*SPCR1_2=0x3001;  //spcr1 DBL=0,
*SPCR2_2=0x02E1;  //spcr2
}
void close_mcBSP2()
{
*SPCR1_2=0x0;  //spcr1 DBL=0,
*SPCR2_2=0x0;  //spcr2
}
void init_mcBSP1(void)
{
//*SPCR1_0=0x1001;  //spcr1 DBL=0,clkstp=11
//*SPCR2_0=0x0040;  //spcr2

*RCR1_1=0x0000;   //rcr1 单段帧，每帧一字，字长8bit,0bit数据延迟
*RCR2_1=0x0004;   //rcr2
*XCR1_1=0x0000;   //xcr1
*XCR2_1=0x0004;   //xcr2
*SRGR1_1=0x0001;
*SRGR2_1=0x2000;  //srgr2

*PCR1=0x0008;     //pcr 
*MCR1_1=0x0001;   //mcr1

*RCERA_1=0x0001;  //rcera
}
void open_mcBSP1()
{
*SPCR1_1=0x1001;  //spcr1 DBL=0,clkstp=11
*SPCR2_1=0x0040;  //spcr2
}
void close_mcBSP1()
{
*SPCR1_1=0x0;  //spcr1 DBL=0,clkstp=11
*SPCR2_1=0x0;  //spcr2
}
void init_timer0(void)
{
*TCR0=0x0130;
*TIM0=0x0;	   	 
*PRD0=0x684;  //修改PRD   	  	   	  
*PRSC0=0x0;   //修改TDDR
}
void open_timer0()
{
*TCR0=0x0120;
}
void close_timer0()
{
*TCR0=0x0130;
}