ad7606-51单片机例程

/* * This is a program for testing AD7606 used STC89C52RC * The line connecting AD7606 with STC89C52RC is: * STC89C52RC | AD7606 * P0 | DB[0:7] * P2 | DB[8:15] * OS0 | P1^0 * OS1 | P1^1 * OS2 | P1^2 * rage | P1^3 * convst | P1^4 * busy | P1^5 * rst | P1^6 * rd_and_cs | P1^7 * green_led | P3^6 * red_led | P3^7 * GND | GND * +5V | VCC * green_led | P3_6 * red_led | P3_7 * Author : jinming chen * Compang : Hongwei in dongguan * Date : Sep 1 ,2015 */ #include <reg52.h> #include <intrins.h> #include <stdio.h> #include "AD7076.h" #include "other.h" //uchar introduce1[] = "This is a program "; //uchar introduce2[] = "for testing AD7606\r\n"; uchar sampling[] = "The sampling data is : "; uchar newline[] = "\r\n"; uchar space[] = " "; uchar *DB_str[16] = {"0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"}; /* uchar *data_to_string(uchar Data) { uchar tmp; tmp = Data & 0x0f; str[1] =DB_str[binary_to_decimal(tmp)]; tmp = Data>>4; str[0] =DB_str[binary_to_decimal(tmp)]; return str; } */ void serial_init(void) { SCON = 0x50; //UART为模式一，8位数据，允许接收 TMOD |= 0x20; //定时器1为模式二，8位自动重装 PCON |= 0x80; //SMOD=1 TH1 =0xfd; //波特率为19200，晶振频率为11.0592MHz IE = 0x00; TR1 = 1; TI = 1; } /* //向串口发送一个函数 void serial_send_byte(uchar ch) { SBUF=ch; while (TI== 0); TI = 0 ; } */ //向串口发送一串字符数据 void serial_send_string(uchar *p) { while(*p != '\0') { SBUF = *p; while(TI == 0); TI = 0; p++; } } int main() { struct DB_data_struct *DB_data; uchar k,tmp; uchar DB_data_cmp[8]; serial_init(); AD7606_init(); while(1) { // DB_data = DB_str; // serial_send_string(introduce1); // serial_send_string(introduce2); AD7606_startconvst(); while((busy == 1)) //当busy为低电平时，数据转换完毕，此时可以读取数据 { // serial_send_byte(busy); // delay_ms(500); ; } DB_data = AD7606_read_data(); serial_send_string(sampling); for(k=0;k<8;k++) { tmp = (DB_data->DB_data_H>>4) & 0x0f; serial_send_string(DB_str[tmp]); tmp = (DB_data->DB_data_H) & 0x0f; serial_send_string(DB_str[tmp]); tmp = (DB_data->DB_data_L>>4) & 0x0f; serial_send_string(DB_str[tmp]); tmp = (DB_data->DB_data_L) & 0x0f; serial_send_string(DB_str[tmp]); serial_send_string(space); DB_data_cmp[k] = DB_data->DB_data_H; DB_data += 1; } if((DB_data_cmp[0]>0x7D)&&(DB_data_cmp[1]>0x7D)&&(DB_data_cmp[2]>0x7D)&&(DB_data_cmp[3]>0x7D) \ &&(DB_data_cmp[4]>0x7D)&&(DB_data_cmp[5]>0x7D)&&(DB_data_cmp[6]>0x7D)&&(DB_data_cmp[7]>0x7D)) { //电压检测为预定值，则绿灯亮 red_led = 0; green_led = 1; } else { //电压检测为非预定值，则红灯亮 green_led = 0; red_led = 1; } serial_send_string(newline); serial_send_string(newline); serial_send_string(newline); delay_ms(300); } return 0; }