dac.h

来自「本测试程序是针对TMS320LF2407 EVM的性能测试而设计开发的。程序运行」· C头文件 代码 · 共 64 行

/*--------------------------------------------------------*/
/*  WQ21ST SOFTWARE	STUDIO.			                  	  */
/*--------------------------------------------------------*/
/*
   Offchip DAC	test include file for EVM320LF2407

   This test requires a loopback connector

   filename:    dac.h
   original:	08/20/2001   by: WQ
   last update: 08/28/2001   by: WQ
*/

#define DAC_DELAY_CNT  0x0100

#define LOW_BYTE_MASK  0x00FF

#define MIN_DAC_VAL    0x0000
#define MAX_DAC_VAL    0x1000       /* 12 bit, 0-4095 */

#define MIN_ADC_VAL    0x0000
#define MAX_ADC_VAL    0x0400       /* 10 bit, 0-1024 */



/*
  Write Only
*/
#define DAC0	  0	    /* 1st digital to analog converter	*/
#define DAC1	  1	    /* 2nd digital to analog converter	*/
#define DAC2	  2	    /* 3rd digital to analog converter	*/
#define DAC3	  3	    /* 4th digital to analog converter	*/
#define DAC_XFER  4	    /* transfer data */

/*
  Macro Expansion Declarations
*/
#define _DAC_BASE  00000h

/*
  Write Only
*/
#define _DAC0     _DAC_BASE+0		    /* 1st digital to analog converter	*/
#define _DAC1     _DAC_BASE+1		    /* 2nd digital to analog converter	*/
#define _DAC2     _DAC_BASE+2		    /* 3rd digital to analog converter	*/
#define _DAC3     _DAC_BASE+3		    /* 4th digital to analog converter	*/
#define _DAC_XFER _DAC_BASE+4         /* transfer data */

/*
  Macro definitions
*/

#define STR(x) #x

#define OUTMAC(address,data)  \
 asm("        LDPK    _"STR(data));  \
 asm("        OUT     _"STR(data) "," STR(address))

#define INMAC(address,data)   \
 asm("        LDPK    _"STR(data));  \
 asm("        IN      _"STR(data) "," STR(address))