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DAC 的代码
dac811.c
/************************************************************************************
filename: dac811.c
版权(c) 2003- 北京合众达电子技术有限责任公司 *
* 设计者： 戴展波
*************************
dac811.h
#ifndef _da
#define _da
/****************************************************************************
* 函数: extern void da_setup(int tongdao,int kind,int freq,int value,unsigned short noise
dac0832.c
#include"dac0832driver.h"
#include"LCD1602DRIVER.h"
#include"intrins.h"
uchar PWM,k,BChange,FChange;
uchar sin_flage,sanjiao_flage,fangbo_flage,any_flage;
uchar GBit,SBit,BBit,KBit;
uchar freq
dac_drv.c
/*C**************************************************************************
* NAME: dac_drv.c
*----------------------------------------------------------------------------
* Copyright (c)
dac.m51
BL51 BANKED LINKER/LOCATER V5.00 06/28/2002 15:36:03 PAGE 1
BL51 BANKED LINKER/LOCATER V5.00, INVOKED BY:
C:\KEIL\C51\BIN\BL51.EXE main.obj TO dac PAGEWIDTH (80) PAGELENGTH (80)
dac.uv2
### uVision2 Project, (C) Keil Software
### Do not modify !
Target (ADuC812), 0x0000 // Tools: 'MCS-51'
Target (ADuC814), 0x0000 // Tools: 'MCS-51'
Target (ADuC831), 0x0000 // Tools: 'MCS-51'
T
dac_sin.o
XL
H 2 areas C global symbols
M dac_sin.c
S _sinf Ref0000
S elpm32 Ref0000
S push_xgset003C Ref0000
S fpint Ref0000
S fpadd2 Ref0000
S fpcmp2 Ref0000
S pop_xgset003C Ref0000
S fpmule2 Ref000
dac_sin._c
#include
#include"math.h"
#define uchar unsigned char
#define uint unsigned int
//延时函数
void s_ms(unsigned int t)
{
for(;t>1;t--)
{
}
}
//SPI初始化
void spi_init()