dizhen.rar_dizhen_上位机震动_地震传感_自制地震_震动传感器

#include "stc12c5A60S2.h" #include <stdio.h> #include "intrins.h" #define uint unsigned char #define uchar unsigned int unsigned char num1; float a=0; unsigned char sd[7]={0xfa,0x00,0x00,0x00,0xaf,0xA9,0x16}; void AD_init(); void serial_init(); void delay(unsigned int b); void sent(unsigned char dat); unsigned int adc_result; float AD_work(); unsigned int AD_get(); // int word; // char i; void main() { AD_init(); serial_init(); sent(0x01) ; while(1) { delay(1000); a=AD_work(); a=a-0.09; if(a<0)a=0; ES=0; TI=1; printf("The P1.7 voltage is %f\n",a); ES=1; TI=0; } } unsigned int AD_get( )//10位ad { ADC_CONTR|=0xe0; //开电源和设置转换时间11100000b delay(100); ADC_CONTR |= 0x08;//启动A/D转开始adc_start=1;1000b nop_(); nop_(); nop_(); nop_(); while(!(ADC_CONTR&0x10)); //转换完成标志位ADC_FLAG清0 ADC_CONTR&=0xe7; adc_result=ADC_RES;//传送10位结果的高八位 adc_result=(adc_result <<2) | ADC_RESL;//低二位 return adc_result; } float AD_work() { float AD_val; AD_val=AD_get();//p1.7 AD_val=(AD_val*12)/1024; return AD_val; } //------------------------------------------------------------------------------ void delay(unsigned int a) //1ms { unsigned int i; while (--a!=0) for(i=600;i>0;i--); } //------------------------------------------------------------------------------ void serial_init() { TMOD=0x21; TH1=0xfd; TL1=0xfd; TH0=(-50000)/256; TL0=(-50000)%256; SCON=0x50; TR1=1; TR0=1; REN=1; EA=1; ES=0; } //------------------------------------------------------------------------------ void AD_init() { P1ASF=0x80; //p1.7口全为ad转换 AUXR1=0x00; ADC_RES=0; //高8位 ADC_RESL=0; //低2位 ADC_CONTR=0x87;//ADC_POWER打开,P1.7为AD转换口 delay(20); // } void sent(unsigned char dat) { ES=0; TI=0; SBUF=dat; while(TI == 0); TI = 0; ES=1; } void time0() interrupt 1 { TH0=(-50000)/256; TL0=(-50000)%256;//设置定时初值 50ms num1++; } //void sent() //{ // char i,a; // a=AD_work(); //// a=a*10-0.43; ////if(a<0)a=0; //// a=a*10; // if(a<0.6)sd[1]=0x00; // if(4>a>0.6)sd[1]=0x01; // if(4<a<8)sd[1]=0x05; // if(20>a>8)sd[1]=0x03; // if(a>20)sd[1]=0x04; // sd[5]=sd[0]+sd[1]+sd[2]+sd[3]+sd[4]; // ES=0; // for(i=0;i<7;i++) // { // SBUF=sd[i]; // while (!TI); // TI = 0; // } // ES=1; //} /*#include <stc12c5A60S2.h> #include <intrins.h> void DELAY_MS (unsigned int a) { unsigned int i; while( --a != 0){ for(i = 0; i < 600; i++); } } void UART_init (void) { EA=1; ES=1; ET1=0; TMOD |= 0x20; //???T/C1????2 SCON = 0x50; //??????1,??????(SCON = 0x40 ???????) TH1 = 0xFd; //??????8??? TL1 = 0xFd; // PCON = 0x80; TR1 = 1; } void UART_T (unsigned char UART_data) { SBUF = UART_data; // while(TI == 0); // TI = 0; // } void Read_init (unsigned char CHA) { unsigned char AD_FIN=0; //??A/D???? CHA &= 0x01; //??ADC?8???????(0000 0111 ?0?5?) ADC_CONTR = 0x40; //ADC?????(0XX0 0000 ??XX????,?????????) _nop_(); ADC_CONTR |= CHA; //??A/D???? _nop_(); ADC_CONTR |= 0x80; //??A/D?? DELAY_MS(1); //?????????(1ms??) } unsigned char Read (void) { unsigned char AD_FIN=0; //??A/D???? ADC_CONTR |= 0x08; //??A/D??(0000 1000 ?ADCS = 1) _nop_(); _nop_(); _nop_(); _nop_(); while (AD_FIN ==0) //??A/D???? { AD_FIN = (ADC_CONTR & 0x10); //0001 0000??A/D????? } ADC_CONTR &= 0xE7; //1111 0111 ?ADC_FLAG?, ??A/D??, return (ADC_RES); //??A/D????(8?) } void main (void) { unsigned char R; UART_init();// Read_init(0);//ADC??? //P1M0 = 0x01; //P1.7~.0:0000 0001(??)//??:??ADC??????????IO?????????? //P1M1 = 0x00; //P1.7~.0:0000 0000(??) while(1) { R = Read (); UART_T (R); //?????,?ADC????????? } }*/