- #include "STC15F2K60S2.h"
- #include "oled.h"
- //#include "bmp.h"
- #include "DS.h"
- u32 speed=70;
- bit status=0;
- sbit SB1 = P0^3; //按钮定义
- sbit SB2 = P0^2;
- sbit SB3 = P2^5;
- sbit SB4 = P2^4;
- unsigned char n=0;
- sbit ENA=P1^3;///L298N的ENA
- sbit IN1=P1^4;
- sbit IN2=P1^5;
- //unsigned char a;
- //unsigned char send_data[]="01\n";
- //unsigned char send_data1[]="1\n";
- extern unsigned int idata Temperature;
- //void Timer0_Init();
- //void delay(int time)
- //{
- // int k,j;
- // for(k=0;k<time;k++)
- // for(j=0;j<1000;j++);
- //}
- //
- //void uart_send_byte(unsigned char dat)
- //{
- // SBUF=dat;
- // while(!TI);
- // TI=0;
- //}
- //
- //void uart_send_str(unsigned char *s)
- //{
- // while(*s!='\0')
- // {
- // uart_send_byte(*s);
- // s++;
- // }
- //}
- int main(void)
- {
- // SCON=0x50;
- // AUXR|=0x40;
- // AUXR&=0xFE;
- // TMOD&=0x0F;
- // TMOD|=0x20;
- // TL1=0xE0;
- // TH1=0xFE;
- // ET1=0;
- // TR1=1;
- // ES=1;
- // REN=1;
- // TL0 = 0x00; //设定定时器初值
- // TH0 = 0xDC; //设定定时器初值
- // TMOD = (TMOD & 0xF0)|0x01;
- // TMOD |= 0x01;
- // TL0 = (65536-5000)%256; //设定定时器初值
- // TH0 = (65536-5000)/256; //设定定时器初值
-
- AUXR |= 0x80; //定时器时钟1T模式
- // TMOD &= 0xF0; //设置定时器模式
- TMOD = (TMOD & 0xF0)|0x01;
- TL0 = 0xff; //设置定时初值
- TH0 = 0x10; //设置定时初值
- TF0 = 0; //清除TF0标志
- TR0 = 1; //定时器0开始计时
- EA = 1; //总中断打开
- ET0 = 1; //定时器0中断打开
- ENA=1;
- //Timer0_Init();
- OLED_Init(); //初始化OLED
- OLED_On();
- delay_ms(100);
- OLED_Clear();
- OLED_ShowCHinese(0,2,3);//电
- OLED_ShowCHinese(18,2,4);//子
- OLED_ShowString(36,2,"1802",16);//1802
- OLED_ShowCHinese(72,2,14);
- OLED_ShowCHinese(90,2,15);
- OLED_ShowCHinese(108,2,16);
- OLED_ShowCHinese(36,4,0);
- OLED_ShowCHinese(54,4,1);
- OLED_ShowCHinese(72,4,2);
- OLED_ShowCHinese(90,4,5);
- delay_ms(100);
- OLED_Clear();
-
- while(1)
- {
-
- OLED_ShowString(0,2,"status",16);
- OLED_ShowString(54,2,":",16);
- OLED_ShowString(0,0,"speed",16);
- OLED_ShowString(54,0,":",16);
- OLED_ShowString(0,4,"Temp",16);
- OLED_ShowString(36,4,":",16);
- OLED_ShowString(0,6,"time",16);
- OLED_ShowString(36,6,":",16);
-
- if(SB1==0)
- {
- delay_ms(1);
- if(SB1==0)
- {
- while(!SB1);
- status=!status;
- // uart_send_str(send_data);
- }
- }
- if(SB2==0)
- {
- delay_ms(1);
- if(SB2==0)
- {
- while(!SB2);
- speed-=5;
- // uart_send_str(send_data1);
-
- }
- }
- // if(SB3==0)
- // {
- // delay_ms(1);
- // if(SB3==0)
- // {
- // while(!SB3);
- //
- // }
- // }
- // if(SB4==0)
- // {
- // delay_ms(1);
- // if(SB4==0)
- // {
- // while(!SB4);
- //
- // }
- // }
- if( status==1||Temperature>=29)
-
- OLED_ShowString(64,2,"start",16);
- else if(status==0||Temperature<=29)
- OLED_ShowString(64,2,"stop ",16);
-
- // if(a=='a')
- // status=!status;
- // OLED_ShowString(64,2,"start",16);
- // if(a=='b')
- // speed-=5;
- // OLED_ShowString(64,2,"stop ",16);
-
-
- if(speed==45)
- speed=70;
- if( speed==50)
- OLED_ShowString(82,0,"1",16);
- if( speed==55)
- OLED_ShowString(82,0,"2",16);
- if( speed==60)
- OLED_ShowString(82,0,"3",16);
- if( speed==65)
- OLED_ShowString(82,0,"4",16);
- if( speed==70)
- OLED_ShowString(82,0,"5",16);
-
- OLED_ShowNum(64,4,Temperature,3,16);
- TemperatuerResult();
-
-
-
- //}
- //}
-
-
- }
- }
- void int_tim0(void) interrupt 1
- {
- /* TH0 =(65536-500)/256;
- TL0 =(65536-500)%256;
- if( CT++==speed)
- {
- TIM=1;
- CT=0;
- } */
- // TL0 = 0x00; //设定定时器初值
- // TH0 = 0xDC; //设定定时器初值
- // TH0 =(65536-500)/256;
- //TL0=(65536-500)%256;
- TH0=0xff;
- TL0=0x10;
- n++;
- if(n==100)n=0;
- if(status==1&n>=speed||Temperature>=29)
- {IN1=1;
- IN2=0;}
- else
- {IN1=0;
- IN2=0;}
- }
-
- //void uart_int() interrupt 4
- //{
- //
- // EA=0; //关中断
- // RI=0; //RI由软件清0
- // a=SBUF; //接收数据
- //
- // EA=1; //开中断
- //
- //}
- //DS18B20
- #include "STC15F2K60S2.h"
- #include <intrins.h>
- #include "DS.h"
- sbit D18B20=P2^0; //数字温度计I/O端
- #define NOP() _nop_() /* 定义空指令 */
- #define _Nop() _nop_() /*定义空指令*/
- bit flag;
- unsigned int idata Temperature; //内部变量
- unsigned char idata temp_buff[9]; //存储读取的字节,read scratchpad为9字节,read rom ID为8字节
- unsigned char idata id_buff[8];
- unsigned char idata *p,CDG; //*p是定义字符型变量的指针变量
- unsigned char idata crc_data;
- unsigned char code CrcTable [256]={
- 0, 94, 188, 226, 97, 63, 221, 131, 194, 156, 126, 32, 163, 253, 31, 65,
- 157, 195, 33, 127, 252, 162, 64, 30, 95, 1, 227, 189, 62, 96, 130, 220,
- 35, 125, 159, 193, 66, 28, 254, 160, 225, 191, 93, 3, 128, 222, 60, 98,
- 190, 224, 2, 92, 223, 129, 99, 61, 124, 34, 192, 158, 29, 67, 161, 255,
- 70, 24, 250, 164, 39, 121, 155, 197, 132, 218, 56, 102, 229, 187, 89, 7,
- 219, 133, 103, 57, 186, 228, 6, 88, 25, 71, 165, 251, 120, 38, 196, 154,
- 101, 59, 217, 135, 4, 90, 184, 230, 167, 249, 27, 69, 198, 152, 122, 36,
- 248, 166, 68, 26, 153, 199, 37, 123, 58, 100, 134, 216, 91, 5, 231, 185,
- 140, 210, 48, 110, 237, 179, 81, 15, 78, 16, 242, 172, 47, 113, 147, 205,
- 17, 79, 173, 243, 112, 46, 204, 146, 211, 141, 111, 49, 178, 236, 14, 80,
- 175, 241, 19, 77, 206, 144, 114, 44, 109, 51, 209, 143, 12, 82, 176, 238,
- 50, 108, 142, 208, 83, 13, 239, 177, 240, 174, 76, 18, 145, 207, 45, 115,
- 202, 148, 118, 40, 171, 245, 23, 73, 8, 86, 180, 234, 105, 55, 213, 139,
- 87, 9, 235, 181, 54, 104, 138, 212, 149, 203, 41, 119, 244, 170, 72, 22,
- 233, 183, 85, 11, 136, 214, 52, 106, 43, 117, 151, 201, 74, 20, 246, 168,
- 116, 42, 200, 150, 21, 75, 169, 247, 182, 232, 10, 84, 215, 137, 107, 53};
- //
- /************************************************************
- *Function:延时处理 (功能)
- *parameter: (参数)
- *Return: (返回值)
- *Modify: (改变)
- *************************************************************/
- void TempDelay (unsigned char idata us)
- {
- while(us--);
- }
- /************************************************************
- *Function:18B20初始化
- *parameter:
- *Return:
- *Modify:
- *************************************************************/
- void Init18b20 (void) //发低电平脉冲,接收返回信号进行判断
- {
- D18B20=1;
- _nop_();
- D18B20=0;
- TempDelay(80); //delay 530 uS//80:要求拉低480~700uS
- _nop_();
- D18B20=1;
- TempDelay(14); //delay 100 uS//14;释放15-60us
- _nop_();
- _nop_();
- _nop_();
-
- if(D18B20==0)// 等待18b20会拉低总线60-240us
- flag = 1; //detect 1820 success!
- else
- flag = 0; //detect 1820 fail!
- TempDelay(20); //20
- _nop_();
- _nop_();
- D18B20 = 1;
- }
- /************************************************************
- *Function:向18B20写入一个字节
- *parameter:
- *Return:
- *Modify:
- *************************************************************/
- void WriteByte (unsigned char idata wr) //单字节写入
- {
- unsigned char idata i;
- for (i=0;i<8;i++)
- {
- D18B20 = 0;
- _nop_();
- D18B20=wr&0x01; //变量wr最低位写至18B20,wr非0,D18B20=1,wr为0,D18B20为0
- TempDelay(3); //delay 45 uS //5
- _nop_();
- _nop_();
- D18B20=1;
- wr >>= 1;
- }
- }
- /************************************************************
- *Function:读18B20的一个字节
- *parameter:
- *Return:
- *Modify:
- *************************************************************/
- unsigned char ReadByte (void) //读取单字节
- {
- unsigned char idata i,u=0;
- for(i=0;i<8;i++)
- {
- D18B20 = 0;
- u >>= 1;
- D18B20 = 1;
- if(D18B20==1)
- u |= 0x80;//otherwise??
- TempDelay (2);
- _nop_();
- }
- return(u);
- }
- /************************************************************
- *Function:读18B20
- *parameter:
- *Return:
- *Modify:
- *************************************************************/
- void read_bytes (unsigned char idata j)
- {
- unsigned char idata i;
- for(i=0;i<j;i++)
- {
- *p = ReadByte();//读入数据存入指针指向地址
- p++;
- }
- }
- /************************************************************
- *Function:CRC校验
- *parameter:
- *Return:
- *Modify:
- *************************************************************/
- unsigned char CRC (unsigned char j)
- {
- unsigned char idata i,crc_data=0;
- for(i=0;i<j;i++) //查表校验
- crc_data = CrcTable[crc_data^temp_buff[i]]; //异或运算
- return (crc_data);
- }
- /************************************************************
- *Function:读取温度
- *parameter:
- *Return:
- *Modify:
- *************************************************************/
- void GemTemp (void)
- {
- read_bytes (9);
- if (CRC(9)==0) //校验正确
- {
- Temperature = temp_buff[1]*0x100 + temp_buff[0];
- // Temperature *= 0.625;
- Temperature /= 16;
- TempDelay(1);
- }
- }
- /************************************************************
- *Function:内部配置
- *parameter:
- *Return:
- *Modify:
- *************************************************************/
- void Config18b20 (void) //重新配置报警限定值和分辨率
- {
- Init18b20();
- WriteByte(0xcc); //skip rom跳过ROM;1字节
- WriteByte(0x4e); //write scratchpad写中间结果暂存器;2字节
- WriteByte(0x19); //上限;3字节高温触发器TH,25
- WriteByte(0x1a); //下限;4字节低温触发器TL,26
- WriteByte(0x7f); //set 11 bit (0.125);R1=1,R0=1,分辨率12位,
- Init18b20();
- WriteByte(0xcc); //skip rom
- WriteByte(0x48); //保存设定值
- Init18b20();
- WriteByte(0xcc); //skip rom
- WriteByte(0xb8); //回调设定值
- }
- /************************************************************
- *Function:读18B20ID
- *parameter:
- *Return:
- *Modify:
- *************************************************************/
- void ReadID (void)//读取器件 id
- {
- Init18b20();
- WriteByte(0x33); //read rom
- read_bytes(8);
- }
- /************************************************************
- *Function:18B20ID全处理
- *parameter:
- *Return:
- *Modify:
- *************************************************************/
- void TemperatuerResult(void)
- {
- p = id_buff;
- ReadID();
- Config18b20();
- Init18b20 ();
- WriteByte(0xcc); //skip rom
- WriteByte(0x44); //Temperature convert
- Init18b20 ();
- WriteByte(0xcc); //skip rom
- WriteByte(0xbe); //read Temperature
- p = temp_buff;
- GemTemp();
- }
- void GetTemp()
- {
- if(CDG==1)
- { CDG=0;
- TemperatuerResult();
- }
- }
- /*************************************
- [ t1 (0.5ms)中断] 中断中做 PWM 输出
- ------------1000/(0.02ms*250)=200Hz
- *************************************/
- void T1zd(void) interrupt 3
- {
- TH1 = 0xfe; //11.0592
- TL1 = 0x33;
- CDG++;
- }
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