DSP TMS320C5509A之DAC8164

DAC8164，16位四通道SPI接口DAC，发热量较大，不推荐使用，程序如下：

#include <csl.h>
#include <csl_mcbsp.h>
#include "Inc\DAC.h"


void SENDtoAUDIO_DAC(Uint16 Value);
void IniDAC8164D(void);
void SendToDAC8164(Uint16 DAC_PORTX,Uint16 Value);

MCBSP_Handle hDAC8164,hAudioDAC;


/* */
MCBSP_Config DAC8164_Mcbsp2=  {
 MCBSP_SPCR1_RMK(
    MCBSP_SPCR1_DLB_OFF,                   
    MCBSP_SPCR1_RJUST_RZF,                
    MCBSP_SPCR1_CLKSTP_NODELAY,//MCBSP_SPCR1_CLKSTP_DELAY           
    MCBSP_SPCR1_DXENA_NA,                 
    MCBSP_SPCR1_ABIS_DISABLE,             
    MCBSP_SPCR1_RINTM_RRDY,               
    0,                                    
    MCBSP_SPCR1_RRST_DISABLE              
   ),
 MCBSP_SPCR2_RMK(
    MCBSP_SPCR2_FREE_NO,                  
    MCBSP_SPCR2_SOFT_NO,                  
    MCBSP_SPCR2_FRST_RESET,               
    MCBSP_SPCR2_GRST_RESET,               
    MCBSP_SPCR2_XINTM_XRDY,               
    0,                                    
    MCBSP_SPCR2_XRST_DISABLE              
   ),
 MCBSP_RCR1_RMK(
  MCBSP_RCR1_RFRLEN1_OF(0),               
  MCBSP_RCR1_RWDLEN1_24BIT                
  ),
 MCBSP_RCR2_RMK(   
    MCBSP_RCR2_RPHASE_SINGLE,             
    MCBSP_RCR2_RFRLEN2_OF(0),             
    MCBSP_RCR2_RWDLEN2_8BIT,              
    MCBSP_RCR2_RCOMPAND_MSB,              
    MCBSP_RCR2_RFIG_YES,                  
    MCBSP_RCR2_RDATDLY_1BIT               
    ), 
 MCBSP_XCR1_RMK(   
    MCBSP_XCR1_XFRLEN1_OF(0),             
    MCBSP_RCR1_RWDLEN1_24BIT              
   
 ),  
 MCBSP_XCR2_RMK(  
    MCBSP_XCR2_XPHASE_SINGLE,             
    MCBSP_XCR2_XFRLEN2_OF(0),             
    MCBSP_XCR2_XWDLEN2_8BIT,              
    MCBSP_XCR2_XCOMPAND_MSB,              
    MCBSP_XCR2_XFIG_YES,                  
    MCBSP_XCR2_XDATDLY_1BIT               
  ),           
 MCBSP_SRGR1_RMK(
   MCBSP_SRGR1_FWID_OF(1),               
   MCBSP_SRGR1_CLKGDV_OF(1)						//200M/(CLKGDV+1) = 200/(1+1) = 100M              
 ),  
 MCBSP_SRGR2_RMK( 
    MCBSP_SRGR2_GSYNC_FREE,               
    MCBSP_SRGR2_CLKSP_RISING,             
    MCBSP_SRGR2_CLKSM_INTERNAL,           
    MCBSP_SRGR2_FSGM_DXR2XSR,             
    MCBSP_SRGR2_FPER_OF(15)               
 ), 
 MCBSP_MCR1_DEFAULT,   
 MCBSP_MCR2_DEFAULT,
 MCBSP_PCR_RMK(
   0,											//IDLEEN   = 0
   MCBSP_PCR_XIOEN_SP,                    
   MCBSP_PCR_RIOEN_SP,                    
   MCBSP_PCR_FSXM_INTERNAL,               
   MCBSP_PCR_FSRM_EXTERNAL,               
   MCBSP_PCR_CLKXM_OUTPUT,                
   MCBSP_PCR_CLKRM_INPUT,                 
   MCBSP_PCR_SCLKME_NO,                   
   0,                                     
   MCBSP_PCR_FSXP_ACTIVELOW,             
   MCBSP_PCR_FSRP_ACTIVEHIGH,             
   MCBSP_PCR_CLKXP_RISING,                
   MCBSP_PCR_CLKRP_FALLING                
 ),
 MCBSP_RCERA_DEFAULT,
 MCBSP_RCERB_DEFAULT, 
 MCBSP_RCERC_DEFAULT,
 MCBSP_RCERD_DEFAULT,
 MCBSP_RCERE_DEFAULT,
 MCBSP_RCERF_DEFAULT,
 MCBSP_RCERG_DEFAULT,
 MCBSP_RCERH_DEFAULT,
 MCBSP_XCERA_DEFAULT,
 MCBSP_XCERB_DEFAULT,
 MCBSP_XCERC_DEFAULT,
 MCBSP_XCERD_DEFAULT, 
 MCBSP_XCERE_DEFAULT,
 MCBSP_XCERF_DEFAULT, 
 MCBSP_XCERG_DEFAULT,
 MCBSP_XCERH_DEFAULT
}; 


MCBSP_Config Audio_Mcbsp1= {
  MCBSP_SPCR1_RMK(
    MCBSP_SPCR1_DLB_OFF,                   
    MCBSP_SPCR1_RJUST_RZF,                
    MCBSP_SPCR1_CLKSTP_DELAY,	//MCBSP_SPCR1_CLKSTP_DISABLE           
    MCBSP_SPCR1_DXENA_NA,                 
    MCBSP_SPCR1_ABIS_DISABLE,             
    MCBSP_SPCR1_RINTM_RRDY,               
    0,                                    
    MCBSP_SPCR1_RRST_DISABLE              
   ),
    MCBSP_SPCR2_RMK(
    MCBSP_SPCR2_FREE_NO,                  
    MCBSP_SPCR2_SOFT_NO,                  
    MCBSP_SPCR2_FRST_RESET,               
    MCBSP_SPCR2_GRST_RESET,               
    MCBSP_SPCR2_XINTM_XRDY,               
    0,                                    
    MCBSP_SPCR2_XRST_DISABLE              
   ),
  MCBSP_RCR1_RMK(
  MCBSP_RCR1_RFRLEN1_OF(0),               
  MCBSP_RCR1_RWDLEN1_16BIT                
  ),
 MCBSP_RCR2_RMK(   
    MCBSP_RCR2_RPHASE_SINGLE,             
    MCBSP_RCR2_RFRLEN2_OF(0),             
    MCBSP_RCR2_RWDLEN2_8BIT,              
    MCBSP_RCR2_RCOMPAND_MSB,              
    MCBSP_RCR2_RFIG_YES,                  
    MCBSP_RCR2_RDATDLY_1BIT               
    ), 
   MCBSP_XCR1_RMK(   
    MCBSP_XCR1_XFRLEN1_OF(0),             
    MCBSP_XCR1_XWDLEN1_16BIT              
   
 ),  
 MCBSP_XCR2_RMK(  
    MCBSP_XCR2_XPHASE_SINGLE,             
    MCBSP_XCR2_XFRLEN2_OF(0),             
    MCBSP_XCR2_XWDLEN2_8BIT,              
    MCBSP_XCR2_XCOMPAND_MSB,              
    MCBSP_XCR2_XFIG_YES,                  
    MCBSP_XCR2_XDATDLY_1BIT               
  ),           
 MCBSP_SRGR1_RMK(
   MCBSP_SRGR1_FWID_OF(1),               
   MCBSP_SRGR1_CLKGDV_OF(1)              
 ),  
 MCBSP_SRGR2_RMK( 
    MCBSP_SRGR2_GSYNC_FREE,               
    MCBSP_SRGR2_CLKSP_RISING,             
    MCBSP_SRGR2_CLKSM_INTERNAL,           
    MCBSP_SRGR2_FSGM_DXR2XSR,             
    MCBSP_SRGR2_FPER_OF(15)               
 ), 
 MCBSP_MCR1_DEFAULT,   
 MCBSP_MCR2_DEFAULT,
 MCBSP_PCR_RMK(
   0,						//IDLEEN   = 0
   MCBSP_PCR_XIOEN_SP,                    
   MCBSP_PCR_RIOEN_SP,                    
   MCBSP_PCR_FSXM_INTERNAL,               
   MCBSP_PCR_FSRM_EXTERNAL,               
   MCBSP_PCR_CLKXM_OUTPUT,                
   MCBSP_PCR_CLKRM_INPUT,                 
   MCBSP_PCR_SCLKME_NO,                   
   0,                                     
   MCBSP_PCR_FSXP_ACTIVELOW,             
   MCBSP_PCR_FSRP_ACTIVEHIGH,             
   MCBSP_PCR_CLKXP_RISING,                
   MCBSP_PCR_CLKRP_FALLING                
 ),
 MCBSP_RCERA_DEFAULT,
 MCBSP_RCERB_DEFAULT, 
 MCBSP_RCERC_DEFAULT,
 MCBSP_RCERD_DEFAULT,
 MCBSP_RCERE_DEFAULT,
 MCBSP_RCERF_DEFAULT,
 MCBSP_RCERG_DEFAULT,
 MCBSP_RCERH_DEFAULT,
 MCBSP_XCERA_DEFAULT,
 MCBSP_XCERB_DEFAULT,
 MCBSP_XCERC_DEFAULT,
 MCBSP_XCERD_DEFAULT, 
 MCBSP_XCERE_DEFAULT,
 MCBSP_XCERF_DEFAULT, 
 MCBSP_XCERG_DEFAULT,
 MCBSP_XCERH_DEFAULT
};





void IniDAC8164D(void)
{
	//初始化DSP的相关寄存器
	hDAC8164=MCBSP_open(MCBSP_PORT2,MCBSP_OPEN_RESET);

	/*设置McBSP1*/
	MCBSP_config(hDAC8164,&DAC8164_Mcbsp2);


	MCBSP_start(hDAC8164, 
                MCBSP_SRGR_START | MCBSP_SRGR_FRAMESYNC,
    			0x300);
	
	MCBSP_start(hDAC8164, 
                MCBSP_XMIT_START,  
                0);	
                	
}
  

/* TMS320VC5501/5502/5509/5510 DSP           */
/* Multichannel Buffered Serial Port (McBSP) */
/* Reference Guide                           */
void IniAudioDAC(void)
{
	
	//初始化DSP的相关寄存器
	hAudioDAC=MCBSP_open(MCBSP_PORT1,MCBSP_OPEN_RESET);

	/*设置McBSP1*/
	MCBSP_config(hAudioDAC,&Audio_Mcbsp1);

	/*启动McBSP1*/
	//MCBSP_write16(hMcbsp1,0);			//发送数据

	MCBSP_start(hAudioDAC, 
                MCBSP_SRGR_START | MCBSP_SRGR_FRAMESYNC,
    			0x300);
	
	MCBSP_start(hAudioDAC, 
                MCBSP_XMIT_START,   
                0);	

}


void SendToDAC8164(Uint16 DAC_PORTX,Uint16 Value)
{
	Uint32 output = 0;

	output = DAC_PORTX;
	output = ((output<<17)|(Value<<2));

	while(0==MCBSP_xrdy(hDAC8164));		//1 = ready
	MCBSP_write32(hDAC8164,output);		//发送数据	
}

void SendToIF(Uint32 Value)
{
	while(0==MCBSP_xrdy(hDAC8164));		//1 = ready
	MCBSP_write32(hDAC8164,Value);		//发送数据	
}

/**/


/*
 *  FUNCTION: SENDtoAUDIO_DAC
 *
 *  PARAMETERS:
 			Value:输出的电压值
 			Gain:输出的增益系数，Q7
 *
 *  DESCRIPTION:发送数据到DAC，最终发送的数据是
				
 *
 *  RETURNS: 
 *


void SENDtoAUDIO_DAC(Uint16 Value)
{
	
 	//Value += 32768;
	//Value *= 10;
 	while(0==MCBSP_xrdy(hMcbsp1));		//1 = ready
	MCBSP_write16(hMcbsp1,Value);		//发送数据
		
}*/

头文件如下：

#include <csl.h>
#include <csl_mcbsp.h>

#ifndef __DAC_H__
#define __DAC_H__

#define DAC_PORTA	0x00
#define DAC_PORTB	0x01
#define DAC_PORTC	0x02
#define DAC_PORTD	0x03
#define DAC_MAX_OUT	8200


extern void IniADC(void);

extern void IniDAC8164D(void);
  

/* TMS320VC5501/5502/5509/5510 DSP           */
/* Multichannel Buffered Serial Port (McBSP) */
/* Reference Guide                           */
extern void IniAudioDAC(void);

extern void SendToDAC8164(Uint16 DAC_PORTX,Uint16 Value);

extern void SendToIF(Uint32 Value);


/*
 *  FUNCTION: SENDtoAUDIO_DAC
 *
 *  PARAMETERS:
 			Value:输出的电压值
 			Gain:输出的增益系数，Q7
 *
 *  DESCRIPTION:发送数据到DAC，最终发送的数据是
				
 *
 *  RETURNS: 
 *
*/

extern void SENDtoAUDIO_DAC(Uint16 Value);



#endif