jkb.rar_MAX5417_sensor

#include "c8051f020.h" #include "stdio.h" #include <intrins.h> //----------------------------------------------------------------------------- // C8051F02X 的16 位SFR 定义 //----------------------------------------------------------------------------- sfr16 DP = 0x82; // 数据指针 sfr16 TMR3RL = 0x92; // 定时器3 重装值 sfr16 TMR3 = 0x94; // 定时器3 计数器 sfr16 ADC0 = 0xbe; // ADC0 数据 sfr16 ADC0GT = 0xc4; // ADC0 大于窗口 sfr16 ADC0LT = 0xc6; // ADC0 小于窗口 //----------------------------------------------------------------------------- //全局常量 //----------------------------------------------------------------------------- #define SYSCLK 12000000 //系统时钟频率12MHz #define BAUDRATE 9600 // UART 波特率9600bps #define FLASH_SCRATCHSIZE=128//FLASH为128字节 #define SCLCLK=300000//SMB时钟为300KHz sbit DQ=P2^0; sbit sda=P0^6; sbit scl=P0^7; //sbit DataPortDS1820=P2^0; //----------------------------------------------------------------------------- // 函数原型 //----------------------------------------------------------------------------- void SYSCLK_Init (void);//时钟初始化 void PORT_Init (void);//端口初始化 void UART0_Init (void);//串口初始化 void SMB0_Init(void);//SMB0us初始化 void ADC0_Init (void);//模数转换初始化 float cu50(float); float cu100(float); float pt100(float); float dj(float); float dk(float); float dt(float); float de(float); float dr(float); float ds(float); float db(float); float dn(float); int chaiyang(void);//采样 float chaiyangjishuan(int);//将采样值计算成相应的电阻或电压 void tongdao_init(void);//单通道配置 void spi_send(float);//SPI接口发送 void flash_scratch_write(unsigned dest,char *src,unsigned num);//FLASH写 void flash_scratch_read(unsigned src,unsigned num);//FLASH读 void flash_scratch_erase(void);//FLASH擦除 void i2o_write(unsigned short,unsigned short );//数字电位器写 void i2o_read();//数字电位器读 void chan(int t);//通道增益配置参数设置 void delay(word );//延时 void Read_Temperature(void);//读冷端的温度值 //void Delay1us(unsigned char ) ; //void Delay15us(void); //void Delay10us(void); //bit RstDS1820(void); //void WriteDS1820(unsigned char ); //unsigned char ReadDS1820(void); //unsigned char ReadDS1820(void); //void StartADC(void); // float GetTempValue(void); //----------------------------------------------------------------------------- // 全局变量 //----------------------------------------------------------------------------- int chanel_chanshu[24]={0x0002,0x0000,0x07ff,0x0002,0x0000,0x07ff,0x0002,0x0000,0x07ff,0x0002,0x0000,0x07ff,0x0002,0x0000,0x07ff,0x0002,0x0000,0x07ff,0x0002,0x0000,0x07ff,0x0002,0x0000,0x07ff}; typedef unsigned char data byte; typedef unsigned int data word; int data lenduan; int *ptrl; char *ptrlchar; int data minlin; char data COMMAND; //7位从地址+W/R字节 char data WORD; //命令字节 char data OP_CODE; //数据字节 //----------------------------------------------------------------------------- //主程序 //----------------------------------------------------------------------------- void main(void) { short int data m,n; float data wendu,dianzu; int data chaiyangzhi; WDTCN=0xde; WDTCN=0xad; SYSCLK_Init (); // 初始化振荡器 PORT_Init (); // 初始化数据交叉开关和通用IO 口 SMB0_Init(); UART0_Init (); // 初始化UART0 ADC0_Init (); // 初始化和使能ADC ptrl=chanel_chanshu; ptrlchar=chanel_chanshu; flash_scratch_read(0x0000,12); EIE1 |=2;//SMB中断使能 EA=1;//开中断 BUSY=0; SI=0; m=0; for(n=1;n<9;n++) { if((chanel_chanshu[(n-1)*3]>0x0a)|(chanel_chanshu[(n-1)*3]<0)) {m=1;}//判断是否进行过传感器的配置 } if(m==1) {//没有进行则将传感器参数配置成原始值 for(n=1;n<9;n++) { chanel_chanshu[(n-1)*3]=0x0002; chanel_chanshu[(n-1)*3+1]=0x0011; chanel_chanshu[(n-1)*3+2]=0x07ff; } //printf("AA \n"); } ptrl=chanel_chanshu; ptrlchar=chanel_chanshu; P3=0xf0; while(1) { /* while(!SPIF); minlin=SPI0DAT; SPIF=0; switch(minlin) { case 0x55://单通道配置命令 tongdao_init(); flash_scratch_erase(); flash_scratch_write(0x0000,ptrlchar,96); ptrl=chanel_chanshu;//重新赋地址 ptrlchar=ptrl;//重新赋地址 break; case 0x66://单通道读数 while(!SPIF); minlin=SPI0DAT; m=minlin; SPIF=0; P3=0xf0+m-1; chan(minlin); dianzu=chaiyangjishuan(chaiyang()); switch(chanel_chanshu[((minlin-1)*3)]) { case 0: wendu=cu50(dianzu); break; case 1: wendu=cu100(dianzu); break; case 2: wendu=pt100(dianzu); break; case 3: wendu=dj(dianzu); break; case 4: wendu=dk(dianzu); break; case 5: wendu=dt(dianzu); break; case 6: wendu=de(dianzu); break; case 7: wendu=dr(dianzu); break; case 8: wendu=ds(dianzu); break; case 9: wendu=db(dianzu); break; case 10: wendu=dn(dianzu); break; default: break; } spi_send(wendu); break; case 0x77://多通道读数;即循环发送1至8通道貌岸然的温度值 for(minlin=1;minlin<9;minlin++) { P3=0XF0+minlin-1; m=minlin; //chan(minlin); chaiyangzhi=chaiyang(); dianzu=chaiyangjishuan(chaiyangzhi); switch(chanel_chanshu[(minlin-1)*3]) { case 0: wendu=cu50(dianzu); break; case 1: wendu=cu100(dianzu); break; case 2: wendu=pt100(dianzu); break; case 3: wendu=dj(dianzu); break; case 4: wendu=dk(dianzu); break; case 5: wendu=dt(dianzu); break; case 6: wendu=de(dianzu); break; case 7: wendu=dr(dianzu); break; case 8: wendu=ds(dianzu); break; case 9: wendu=db(dianzu); break; case 10: wendu=dn(dianzu); break; default: break; } SPIF=0; spi_send(wendu); while(!SPIF); } break; case 0x88://通道零点调整 while(!SPIF); minlin=SPI0DAT; m=minlin; SPIF=0; m=0xf0+m-1; P3=m; //chan(minlin); chanel_chanshu[(minlin-1)*3+1]=chaiyang(); flash_scratch_erase(); flash_scratch_write(0x0000,ptrlchar,96); ptrl=chanel_chanshu;//重新赋地址 ptrlchar=ptrl;//重新赋地址 P3=0XEF;//发送数据准备好中断 SPI0DAT=0xaa;//发送响应命令 SPIF=0; P3=0XFF;//收回中断 break; case 0x99://通道满量程调整 while(!SPIF); minlin=SPI0DAT; m=minlin; SPIF=0; m=0xf0+m-1; P3=m; //chan(minlin); chanel_chanshu[(minlin-1)*3+2]=chaiyang(); flash_scratch_erase(); flash_scratch_write(0x0000,ptrlchar,96); ptrl=chanel_chanshu;//重新赋地址 ptrlchar=ptrl;//重新赋地址 P3=0XEF;//发送数据准备好中断 SPI0DAT=0xaa;//发送响应命令 SPIF=0; P3=0XFF;//收回中断 break; default: break; }*/ minlin=1; m=minlin; //printf("AA \n"); SPIF=0; P3=0xf0+m-1; chan(minlin); chaiyangzhi=chaiyang(); printf("chaiyangzhi :%x\n",chaiyangzhi); dianzu=chaiyangjishuan(chaiyangzhi); printf("di