📄 main.c
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/*任意波形发生程序*/
/*此程序设定波形频率，幅度，类型并显示*/
//包含头文件
#include<STC89C51RC_RD_PLUS.H>
#include<absacc.h>
#include<intrins.h>
sbit p10=P1^0;
sbit p12=P1^2;
//自定义数据类型
#define uchar unsigned char
#define uint unsigned int
//定义各个端口地址
#define COM XBYTE [0x0001] //8279的命令状态口
#define DAT XBYTE [0X0000] //8279的数据口
#define RAM XBYTE [0X8001] //8279的RAM地址
#define CS_DAC XBYTE [0X0400] //DAC选通口地址
#define CS_7132 XBYTE [0X0800] //7C142选通口地址
#define CS_FPGA XBYTE [0X0C00] //FPGA选通口地址1
//#define CS_FPGA1 XBYTE [0X0C01] //FPGA选通地址2
#define CS_RAM XBYTE[0X1000] //双口RAM选通地址
#define CS_TEMP XBYTE[0X2400] //无用地址空间
///////////////////////////////////////////////////////////////////////宏定义
// 宏定义以
/* 定义常量 */
#define ERROR 0
#define OK 1
/* 定义Flash 操作等待时间 */
//#define WAIT_TIME 0x00 //mcu clock 40mhz
//#define WAIT_TIME 0x01 //mcu clock 20mhz
#define WAIT_TIME 0x02 //mcu clock 10mhz
//#define WAIT_TIME 0x03 //mcu clock 5mhz
#define bits 512 //波形表格字节数
#define save_sector 0xE200 //定义波形存储空间
#define save_mag 0xE400 //定义幅度存储空间
#define save_freq 0xE401 //freq存储
#define save_count 0xe403 //存储显示周期个数
//////////////////////////////////////////////////////////////////////////////定义各种常量表
//定义各种常量表
/*共阴的七段数码管译码0 1 2 3 4 5 6 7 8 9*/
uchar code seg[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
//0级键值表 正弦波 方波 三角波 组合波
uchar code tb0[]={0x40,0x48,0x50,0x58,0x19};
//1级键值表
uchar code tb1[]={0x01,0x02,0x03};
//2级键值表
uchar code tb2[]={0x5a,0x5b,0x1a,0x1b};
//波形系数键值表
uchar code xishu[]={0x59,0x41,0x42,0x43,0x49,0x4a,0x4b,0x51,0x52,0x53};
//正弦波形表
uchar code sin[]={127,129,130,132,133,135,136,138,139,141,143,144,146,147,149,150,152,153,155,156,158,159,161,163,164,166,167,168,170,171,173,174,176,177,179,180,182,183,184,186,187,188,190,191,193,194,195,197,198,199,200,202,203,204,205,207,208,209,210,211,213,214,215,216,217,218,219,220,221,223,224,225,226,227,228,228,229,230,231,232,233,234,235,236,236,237,238,239,239,240,241,242,242,243,244,244,245,245,246,247,247,248,248,249,249,249,250,250,251,251,251,252,252,252,253,253,253,253,254,254,254,254,254,254,254,254,254,254,255,254,254,254,254,254,254,254,254,254,254,253,253,253,253,252,252,252,251,251,251,250,250,249,249,249,248,248,247,247,246,245,245,244,244,243,242,242,241,240,239,239,238,237,236,236,235,234,233,232,231,230,229,228,228,227,226,225,224,223,221,220,219,218,217,216,215,214,213,211,210,209,208,207,205,204,203,202,200,199,198,197,195,194,193,191,190,188,187,186,184,183,182,180,179,177,176,174,173,171,170,168,167,166,164,163,161,159,158,156,155,153,152,150,149,147,146,144,143,141,139,138,136,135,133,132,130,129,127,125,124,122,121,119,118,116,115,113,111,110,108,107,105,104,102,101,99,98,96,95,93,91,90,88,87,86,84,83,81,80,78,77,75,74,72,71,70,68,67,66,64,63,61,60,59,57,56,55,54,52,51,50,49,47,46,45,44,43,41,40,39,38,37,36,35,34,33,31,30,29,28,27,26,26,25,24,23,22,21,20,19,18,18,17,16,15,15,14,13,12,12,11,10,10,9,9,8,7,7,6,6,5,5,5,4,4,3,3,3,2,2,2,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,3,3,3,4,4,5,5,5,6,6,7,7,8,9,9,10,10,11,12,12,13,14,15,15,16,17,18,18,19,20,21,22,23,24,25,26,26,27,28,29,30,31,33,34,35,36,37,38,39,40,41,43,44,45,46,47,49,50,51,52,54,55,56,57,59,60,61,63,64,66,67,68,70,71,72,74,75,77,78,80,81,83,84,86,87,88,90,91,93,95,96,98,99,101,102,104,105,107,108,110,111,113,115,116,118,119,121,122,124,125};
//方波波形表
uchar code rec[]={255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
//三角波波形表
uchar code tri[]={0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,255,254,253,252,251,250,249,248,247,246,245,244,243,242,241,240,239,238,237,236,235,234,233,232,231,230,229,228,227,226,225,224,223,222,221,220,219,218,217,216,215,214,213,212,211,210,209,208,207,206,205,204,203,202,201,200,199,198,197,196,195,194,193,192,191,190,189,188,187,186,185,184,183,182,181,180,179,178,177,176,175,174,173,172,171,170,169,168,167,166,165,164,163,162,161,160,159,158,157,156,155,154,153,152,151,150,149,148,147,146,145,144,143,142,141,140,139,138,137,136,135,134,133,132,131,130,129,128,127,126,125,124,123,122,121,120,119,118,117,116,115,114,113,112,111,110,109,108,107,106,105,104,103,102,101,100,99,98,97,96,95,94,93,92,91,90,89,88,87,86,85,84,83,82,81,80,79,78,77,76,75,74,73,72,71,70,69,68,67,66,65,64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0};
//组合波形表
//uchar code junc[]={1};
//暂定表
//uchar temp_jun[512]={1};
uchar xdata temp_jun[511]={1};
///////////////////////////////////////////////////////////////////////////////////定义全局变量
//定义全局变量
sbit clflag=ACC^7;
bit int_flag=0; /*中断标志位*/
uchar key_value;/*中断返回键值*/
uchar value; //系数寄存器
//uchar freq_step=10; //频率步进
//uchar mag_step=1; //幅度步进
uint cycle_count; //周期个数
uchar baiwei; //百位
uchar shiwei; //十位
uchar gewei; //个位
uchar count_cycle=0;
uint freq=65500; //频率寄存器
uchar mag=100; //幅度寄存器
//uchar indicate; //定义频率，幅度flag,indicate=0:freq;indicate=1:mag.
uchar a; //正弦波的波形系数
uchar b; //方波的波形系数
uchar c; //三角波的波形系数
uchar state0=0; //0级状态
uchar state1=0; //1级状态
uchar state2=0; //2级状态
bit ok=0; //ok=1为确认
uchar count=0; //记顺序按键植
/////////////////////////////////////////////////////////////////////////定义个功能子函数
//定义个功能子函数
void save(uchar *reg_temp);
/* 打开 ISP,IAP 功能 */
void ISP_EN(void)
{
EA = 0; // 关中断
ISP_CONTR = ISP_CONTR & 0x18; // 0001,1000
ISP_CONTR = ISP_CONTR | WAIT_TIME;
ISP_CONTR = ISP_CONTR | 0x80; // 1000,0000
}
/* 关闭 ISP,IAP 功能 */
void ISP_DI(void)
{
ISP_CONTR = ISP_CONTR & 0x7f; // 0111,1111
ISP_TRIG = 0x00;
EA = 1; // 开中断
}
/* 字节读 *//* 程序执行时间15us,指令周期为0.12us */
uchar Byte_read(uint byte_addr)
{
ISP_ADDRH = (uchar)(byte_addr >> 8);
ISP_ADDRL = (uchar)(byte_addr & 0x00ff);
ISP_CMD = ISP_CMD & 0xf8; // 1111,1000
ISP_CMD = ISP_CMD | 0x01; // 0000,0001 字节读数据存储区
ISP_EN();
ISP_TRIG = 0x46;
ISP_TRIG = 0xb9;
_nop_();
ISP_DI();
return (ISP_DATA);
}
/* 扇区擦除 *//* 程序执行时间10ms,指令周期为0.12us */
void Sector_erase(uint Sector_addr)
{
uchar addre;
addre = (uchar)(Sector_addr >> 8); // 1111,1110,0000,0000; 取扇区地址
ISP_ADDRH = addre&0xfe;
ISP_ADDRL = 0x00;
ISP_CMD = ISP_CMD & 0xf8; // 1111,1000
ISP_CMD = ISP_CMD | 0x03; // 0000,0011 扇区擦除数据存储区
ISP_EN();
ISP_TRIG = 0x46; // 触发ISP_IAP命令
ISP_TRIG = 0xb9; // 触发ISP_IAP命令
_nop_();
ISP_DI();
}
/* 字节编程 *//* 程序执行时间64us,指令周期为0.12us */
void Byte_program(uint byte_addr, uchar DataBuf)
{
ISP_ADDRH = (uchar)(byte_addr >> 8);
ISP_ADDRL = (uchar)(byte_addr & 0x00ff);
ISP_CMD = ISP_CMD & 0xf8; // 1111,1000
ISP_CMD = ISP_CMD | 0x02; // 0000,0010 字节编程数据存储区
ISP_DATA = DataBuf;
ISP_EN();
ISP_TRIG = 0x46; // 触发ISP_IAP命令
ISP_TRIG = 0xb9; // 触发ISP_IAP命令
_nop_();
ISP_DI();
}
/* 字节编程并校验 */
uchar ByteProgramVerify(uint byte_addr, uchar DataBuf)
{
ISP_ADDRH = (uchar)(byte_addr >> 8);
ISP_ADDRL = (uchar)(byte_addr & 0x00ff);
ISP_CMD = ISP_CMD & 0xf8; // 1111,1000
ISP_CMD = ISP_CMD | 0x02; // 0000,0010 字节编程数据存储区
ISP_DATA = DataBuf;
ISP_EN();
ISP_TRIG = 0x46;
ISP_TRIG = 0xb9;
_nop_();
ISP_DATA = 0x00;
ISP_CMD = ISP_CMD & 0xf8; // 1111,1000
ISP_CMD = ISP_CMD | 0x01; // 0000,0001
ISP_TRIG = 0x46; // 触发ISP_IAP命令
ISP_TRIG = 0xb9; // 触发ISP_IAP命令
_nop_();
ISP_DI();
if(ISP_DATA==DataBuf) return OK;
else return ERROR;
}
//定义延时函数
void delay(void)
{
uchar i,j;
for(i=0;i<255;i++)
for(j=0;j<255;j++);
}
//定义显示函数
void display(void)
{
uint buff;
//频率输出
buff=freq;
COM=0X80;
DAT=seg[buff/10000];
COM=0X81;
DAT=seg[buff/1000%10];
COM=0X82;
DAT=seg[buff/100%10];
COM=0X83;
DAT=seg[buff/10%10];
COM=0X84;
DAT=seg[buff%10];
//幅度输出
buff=mag/5;
COM=0X85;
DAT=seg[buff/10]+0x80;
COM=0X86;
DAT=seg[buff%10];
//波的类型输出
COM=0X87;
DAT=seg[state0];
}
//定义波形产生函数
void create_base(uchar b_mag,uint b_freq,uchar b_type)
{
uchar temp;
uchar j;
uchar freqH=0,freqL=1;//频率控制字高低8位
uchar cycleH,cycleL;
uchar *D_RAM=&CS_7132;//双口RAM头地址
uchar *A_FPGA=&CS_FPGA;//频率控制字首地址
uint i;
//uint k;
uchar *table;
switch(b_type)
{
case 0:table=sin;break;//输出正弦波
case 1:table=rec;break;//输出方波
case 2:table=tri;break;//输出三角波
default:break;
}
//产生波形
//bit W_FPGA;//FPGA 写标志位
//uchar D_RAM=0x10000;//双口RAM头地址
//uchar CS_FPGA //FPGA enable
CS_DAC = b_mag;//输出D/A幅值
CS_TEMP=0;
CS_DAC=b_mag;
//p10=1;
//p12=0;
_nop_();
_nop_();
*A_FPGA=freqL;
*(A_FPGA+1)=freqH;
*(A_FPGA+2)=0;
*(A_FPGA+3)=0;
*(A_FPGA+4)=0;
*(A_FPGA+5)=0;
for(i=0;i<bits;i++)
{
temp=0x00;
*(D_RAM+i)=temp;//输出波形表到FPGA双口RAM
}
for(j=0;j<10;j++)
{
for(i=0;i<bits;i++)
{
temp=table[i];
_nop_();
*(D_RAM+i)=temp;//输出波形表到FPGA双口RAM
_nop_();
}
}
//输送16位频率控制字
//频率控制字16位，分为高8位freqH;低8位freqL
freqH=((b_freq&0xff00)>>8);//取出频率控制字高8位
freqL=(b_freq&0x00ff);//取出频率控制字低8位
cycleH=((cycle_count&0xff00)>>8);
cycleL=(cycle_count&0x00ff);
//送出频率控制字和周期个数
*A_FPGA=freqL;
*(A_FPGA+1)=freqH;
*(A_FPGA+2)=cycleL;
*(A_FPGA+3)=cycleH;
*(A_FPGA+4)=0;
*(A_FPGA+5)=0;
}
//组合波产生和存储
void create_combin(uchar c_mag,uint c_freq,uchar x_sin,uchar x_rec,uchar x_tri)
{
uchar temp;
uchar freqH=0,freqL=1;//频率控制字高低8位
uchar cycleH,cycleL;
uchar *D_RAM=&CS_7132;//双口RAM头地址
uchar *A_FPGA=&CS_FPGA;//频率控制字首地址
uint i;
uchar x_total=x_sin+x_rec+x_tri;//系数之和
//uchar table[bits];//存储生成的波形到rom
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