AT89S52单片机与FPGA通信

//******************************// //**********主控部分程序********// //******************************// #include<reg52.h> #include<intrins.h> #include<LCD12864.h> //******参数设置引脚设置******// sbit guangbiao_jia =P2^3; sbit guangbiao_jian=P2^4; sbit shuzi_jia =P2^5; sbit shuzi_jian =P2^6; sbit queren =P2^7; uchar carry[]={'0','0','0','0','0','1','\0'}; //频率步进数组 uchar table_A[]={'0','0','0','0','1','0','0','0','\0'}; //A路频率数组 uchar table_B[]={'0','0','0','0','1','0','0','0','\0'}; //B路频率数组 uchar table_AM[]={'1','.','0','\0'}; //A路幅度数组 uchar table_BM[]={'1','.','0','\0'}; //B路幅度数组 uchar table_P[]={'0','0','0','\0'}; //相位差数组 uchar table_F[]={'1',':','1','\0'}; //频率比数组 uchar clear[]={' ','\0'}; //清除数据 unsigned long int count_carry=1; //频率步进初始值 unsigned long int count_fre_A=1000;//A路频率初始值 unsigned long int count_fre_B=1000;//B路频率初始值 unsigned long int Fre_A_Binary=0;//通道A二进制频率数 unsigned long int Fre_B_Binary=0;//通道B二进制频率数 unsigned int Phase_Binary=0; //二进制相位差 uchar count_AM=10; //A路幅度初始值1.0V uchar count_BM=10; //B路幅度初始值1.0V uchar count_Phase; //相位差之值 uchar fenzi=1,fenmu=1; //A,B路频率初始比值1:1 float amplitude_A,amplitude_B; //A,B最终幅度值 uchar guangbiao; //记录光标位置 bit flag; //记录闪烁条件 0----不闪 1----闪 bit mos_set; //跳出参数模式设置 0---跳出 1---进入调节 bit counter; //记录A、B频率单独变化还是同时（当调节频率比时）变化 // 0----单独变化 1-----同时变化 bit send; //数据发送标志位 0----不发送 1----发送 //=========================================// void delay_ms(uint z)//1ms延时 { uint x,y; for(x=z;x>0;x--) for(y=120;y>0;y--); } //**********基本参数符号显示***********// void base_show() { gotoxy(1,0); print("HZ"); mdelay(10); gotoxy(1,2); print("℃"); mdelay(10); gotoxy(1,4); print("V"); mdelay(10); gotoxy(2,0); print("A:"); mdelay(10); gotoxy(3,0); print("B:"); mdelay(10); gotoxy(4,0); print("P:"); mdelay(10); gotoxy(4,4); print("AB:"); mdelay(10); } //********参数显示函数**********// void data_show() { gotoxy(1,5); print(carry); mdelay(10); gotoxy(2,1); print(table_A); mdelay(10); gotoxy(2,6); print(table_AM); mdelay(10); gotoxy(3,1); print(table_B); mdelay(10); gotoxy(3,6); print(table_BM); mdelay(10); gotoxy(4,1); print(table_P); mdelay(10); gotoxy(4,6); print(table_F); mdelay(10); } //==========================================// //******数据发送函数**********// void send_data() { uchar MCU_data; /***********十进制量转成赋值二进制量****************/ Fre_A_Binary=count_fre_A*171.798692;//每HZ赋值 171.79869184 Fre_B_Binary=count_fre_B*171.798692; if(count_Phase%45==0)//能被45整除 { Phase_Binary=512*(count_Phase/45);//512的n倍 } else//非特殊角 { Phase_Binary=(unsigned int)(count_Phase*11.3777);//每°赋值 11.3777 } /***********十进制量转成赋值二进制量****************/ //测试通过！！ /***********发送数据固定流程***************/ MCU_data=0xff;//8'b1111_1111;//单片机默认高电平 P1=MCU_data; delay_ms(10); /***********-----A路频率------********/// 000 100 001 010 000 011 001 000 // MCU_data=0xe8 ;//1 5'b1110 1-000 MCU_data=0xe8|(Fre_A_Binary%8);//地址|数据 数据以三位三位的出 Fre_A_Binary=Fre_A_Binary/8;//舍弃处理完的低三位 P1=MCU_data; delay_ms(1); // MCU_data=0xe0 ;//2 5'b1110 0-000 MCU_data=0xe0|(Fre_A_Binary%8); Fre_A_Binary=Fre_A_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0xa2 ;//3 5'b1010 0-010 MCU_data=0xa0|(Fre_A_Binary%8); Fre_A_Binary=Fre_A_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0xac ;//4 5'b1010 1-100 MCU_data=0xa8|(Fre_A_Binary%8); Fre_A_Binary=Fre_A_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0xbb ;//5 5'b1011 1-011 MCU_data=0xb8|(Fre_A_Binary%8); Fre_A_Binary=Fre_A_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0xb0 ;//6 5'b1011 0-000 MCU_data=0xb0|(Fre_A_Binary%8); Fre_A_Binary=Fre_A_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x94 ;//7 5'b1001 0-100 MCU_data=0x90|(Fre_A_Binary%8); Fre_A_Binary=Fre_A_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x99 ;//8 5'b1001 1-001 MCU_data=0x98|(Fre_A_Binary%8); Fre_A_Binary=Fre_A_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x88 ;//9 5'b1000 1-000 MCU_data=0x88|(Fre_A_Binary%8); Fre_A_Binary=Fre_A_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x80 ;//10 5'b1000 0-000 MCU_data=0x80|(Fre_A_Binary%8); Fre_A_Binary=Fre_A_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x00 ;//11 5'b0000 0-000 MCU_data=0x00|(Fre_A_Binary%8); Fre_A_Binary=Fre_A_Binary/8; P1=MCU_data; delay_ms(1); /***********-----B路频率------********/ // MCU_data=0x08 ;//1 5'b0000 1- MCU_data=0x08|(Fre_B_Binary%8); MCU_data=0x08|(Fre_B_Binary%8); Fre_B_Binary=Fre_B_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x18 ;//2 5'b0001 1-000 MCU_data=0x18|(Fre_B_Binary%8); Fre_B_Binary=Fre_B_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x12 ;//3 5'b0001 0-010 MCU_data=0x10|(Fre_B_Binary%8); Fre_B_Binary=Fre_B_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x34 ;//4 5'b0011 0-100 MCU_data=0x30|(Fre_B_Binary%8); Fre_B_Binary=Fre_B_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x3b ;//5 5'b0011 1-011 MCU_data=0x38|(Fre_B_Binary%8); Fre_B_Binary=Fre_B_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x28 ;//6 5'b0010 1-000 MCU_data=0x28|(Fre_B_Binary%8); Fre_B_Binary=Fre_B_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x24 ;//7 5'b0010 0-100 MCU_data=0x20|(Fre_B_Binary%8); Fre_B_Binary=Fre_B_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x61 ;//8 5'b0110 0-001 MCU_data=0x60|(Fre_B_Binary%8); Fre_B_Binary=Fre_B_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x68 ;//9 5'b0110 1-000 MCU_data=0x68|(Fre_B_Binary%8); Fre_B_Binary=Fre_B_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x78 ;//10 5'b0111 1-000 MCU_data=0x78|(Fre_B_Binary%8); Fre_B_Binary=Fre_B_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x70 ;//11 5'b0111 0-000 MCU_data=0x70|(Fre_B_Binary%8); Fre_B_Binary=Fre_B_Binary/8; P1=MCU_data; delay_ms(1); /**************------相位差数据发送---------******/// 0 010 100 010 // MCU_data=0x50 ;//1 5'b0101 0- MCU_data=0x50|(Phase_Binary%8); Phase_Binary=Phase_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x58 ;//2 5'b0101 1-000 MCU_data=0x58|(Phase_Binary%8); Phase_Binary=Phase_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x48 ;//3 5'b0100 1-000 MCU_data=0x48|(Phase_Binary%8); Phase_Binary=Phase_Binary/8; P1=MCU_data; delay_ms(1); // MCU_data=0x42 ;//4 5'b0100 0-010 MCU_data=0x40|(Phase_Binary%8); Phase_Binary=Phase_Binary/8; P1=MCU_data; delay_ms(1); //-----------------------------------------------// MCU_data=0xf0 ;// 5'b1111 0-000 //输出更新置位 P1=MCU_data; delay_ms(1); MCU_data=0xff;//8'b1111_1111; P1=MCU_data; delay_ms(10); } //================================================// //*********幅度输出*************// void fudu() { P3=5*amplitude_A; } //********光标键盘扫描函数*********// void guangbiao_key_scan() { if(guangbiao_jia==0) { mdelay(120); if(guangbiao_jia==0) { guangbiao++; data_show();//防掉显