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DAC 的代码
board.h
/******************************************************************************
Copyright (c) 2003 MStar Semiconductor, Inc.
All rights reserved.
[Module Name]: board.h
[Date]: 25-Jun
fiq.lst
ARM COMPILER V2.32a, fiq 08/08/05 09:50:23 PAGE 1
ARM COMPILER V2.32a, COMPILATION OF MODULE fiq
OBJECT MODULE PLACED IN f
ptr.h
#ifndef __PTR_h__
#define __PTR_h__
// write your header here
#define P_IOA_Data (volatile unsigned int *)0x7000
#define P_IOA_Buffer (volatile unsigned int *)0x7001
#define P_IOA_Dir (
ac97_codec.ver
#define __ver_ac97_restore_state _ver_str(9cc8c30e)
#define ac97_restore_state _set_ver(ac97_restore_state)
#define __ver_ac97_read_proc _ver_str(bae4da72)
#define ac97_read_proc _set_ver(ac97_read_pr
main.asm
//*****************************************************************************/
// 描述： 实现正弦波、三角波、锯齿波三种波形输出，
// 用3个按键实现不同波形的输出。
//****************************************************************
hadac.h
#ifndef __HADAC_H__
#define __HADAC_H__
#ifdef __cplusplus
extern "C"{
#endif
void HAL_ADAC_Set(BYTE bSampleFreq, BYTE bBitResolution);
#define HAL_DAC_PCM1723 0
#define HAL_DAC_W6630
main.h
extern unsigned int value;
extern unsigned int *p;
extern unsigned char DAC4_value;
extern float K0;
extern float K1;
extern unsigned int ADC;
extern unsigned int DAC;
ex
main._h
extern unsigned int value;
extern unsigned int *p;
extern unsigned char DAC4_value;
extern float K0;
extern float K1;
extern unsigned int ADC;
extern unsigned int DAC;
ex
main.c
/***************************************************************
程序功能：控制DAC输出模拟电压
----------------------------------------------------------------
跳线设置：可以将跳线座J1的1脚和2脚（靠上面的两个）短接，
用DAC输出电压
main.c
/***************************************************************
程序功能：控制DAC输出模拟电压
----------------------------------------------------------------
跳线设置：可以将跳线座J1的1脚和2脚（靠上面的两个）短接，
用DAC输出电压