C++ (Cpp) I2C1_Repeated_Start示例

示例#1

文件： initialize.c 项目： XenoMehdi/Horloge_7seg

void setup_ds1621()
{
    I2C1_Start();
    I2C1_Wr(0x90);             // connect to DS1621 (#0)
    I2C1_Wr(0xAC);                            // Access Config
    I2C1_Wr(0x02);                            // set for continuous conversion
    I2C1_Repeated_Start();
    I2C1_Wr(0x90);             // restart
    I2C1_Wr(0xEE);                            // start conversions
    I2C1_Stop();
}

示例#2

unsigned short le(unsigned short address)
{
 unsigned short dado;
 I2C1_Start();
 I2C1_Wr(0xA0); //endereco disp + escrever
 I2C1_Wr(address); //aponta p/ endereco dado
 I2C1_Repeated_Start();
 I2C1_Wr(0xA1); //endereco disp + ler
 dado = I2C1_Rd(0u);//no acknowledge ?
 I2C1_Stop();
 return (dado);
}

示例#3

文件： DS1307 Reader.c 项目： tskvivekmani/PIC-Tutor

//Address reference
//https://electrosome.com/wp-content/uploads/2012/05/Time-Keeper-Registers.png
//https://electrosome.com/wp-content/uploads/2012/05/Reading-Data-from-DS1307.jpg
unsigned short read_ds1307(unsigned short address)
{
  unsigned short temp;
  I2C1_Start();
  I2C1_Wr(0xD0);
  I2C1_Wr(address);
  I2C1_Repeated_Start();
  I2C1_Wr(0xD1);
  temp = I2C1_Rd(0);
  I2C1_Stop();
  return(temp);
}

示例#4

文件： CoreTime.c 项目： bangonkali/Chron

void Read_Time(unsigned char *sec, unsigned char *min, unsigned char *hr, unsigned char *week_day, unsigned char *day, unsigned char *mn, unsigned char *year) {
	I2C1_Start();
	I2C1_Wr(DEVICEID_DS1307);
	I2C1_Wr(0);
	I2C1_Repeated_Start();
	I2C1_Wr(0xD1);
	*sec =I2C1_Rd(1);
	*min =I2C1_Rd(1);
	*hr =I2C1_Rd(1);
	*week_day =I2C1_Rd(1);
	*day =I2C1_Rd(1);
	*mn =I2C1_Rd(1);
	*year =I2C1_Rd(0);
	I2C1_Stop();
}

示例#5

文件： Pix-Cell-Maxbotix.c 项目： armgit5/UControl-Microcontroller

//***********************************************************
unsigned char MemRd(unsigned int address)
 {
  unsigned char data_m,Add_H,Add_L;
  Add_H=((address&0xff00)>>8);
  Add_L=(address&0x00FF);
  I2C1_Init(100000);
  I2C1_Start();
  I2C1_Wr(0xA0);
  I2C1_Wr(Add_H);
  I2C1_Wr(Add_L);
  I2C1_Repeated_Start();
  I2C1_Wr(0xA1);
  data_m = I2C1_Rd(0u);
  I2C1_Stop();
  return data_m;
 }//MemRd

示例#6

文件： Magno_1.c 项目： milindasf/RobofestRobot

void Read_Compass(){

         //Lcd_Out(1,1,"Read_Compass");
         //delay_ms(1000);
         I2C1_Start();
         I2C1_Wr(0x3C);   //sellecting magnatometer
         I2C1_Wr(0x02);
         I2C1_Wr(0x00); //single mode readinh
         I2C1_Stop();

          I2C1_Start();
          Delay_ms(15);
          if(I2c1_Is_Idle())
          {
                    I2C1_Wr(0x3C);
                    I2C1_Wr(0x03);
                    I2C1_Repeated_Start();
                    I2C1_Wr(0x3D);
                    x_h=I2c1_Rd(0)   ;
          }
          I2C1_Stop();


          I2C1_Start();
          Delay_ms(15);
          if(I2c1_Is_Idle())
          {
                    I2C1_Wr(0x3C);
                    I2C1_Wr(0x04);
                    I2C1_Repeated_Start();
                    I2C1_Wr(0x3D);
                    x_l=I2c1_Rd(0);
          }
          I2C1_Stop();


          I2C1_Start();
          Delay_ms(15);
          if(I2c1_Is_Idle())
          {
                    I2C1_Wr(0x3C);
                    I2C1_Wr(0x05);
                    I2C1_Repeated_Start();
                    I2C1_Wr(0x3D);
                    z_h=I2c1_Rd(0);
          }
          I2C1_Stop();


          I2C1_Start();
          Delay_ms(15);
          if(I2c1_Is_Idle())
          {
                    I2C1_Wr(0x3C);
                    I2C1_Wr(0x06);
                    I2C1_Repeated_Start();
                    I2C1_Wr(0x3D);
                    z_l=I2c1_Rd(0)   ;
          }
          I2C1_Stop();


          I2C1_Start();
          Delay_ms(15);
          if(I2c1_Is_Idle())
          {
                    I2C1_Wr(0x3C);
                    I2C1_Wr(0x07);
                    I2C1_Repeated_Start();
                    I2C1_Wr(0x3D);
                    y_h=I2c1_Rd(0)   ;
          }
          I2C1_Stop();

          I2C1_Start();
          Delay_ms(15);
          if(I2c1_Is_Idle())
          {
                    I2C1_Wr(0x3C);
                    I2C1_Wr(0x08);
                    I2C1_Repeated_Start();
                    I2C1_Wr(0x3D);
                    y_l=I2c1_Rd(0)   ;
          }
          I2C1_Stop();

    X_Value=convert(x_h,x_l);
    Y_Value=convert(y_h,y_l);
   // WordToStr(X_Value,to_LCD);
   // Lcd_Out(1,1,to_LCD);

    if(X_Value>=0 && Y_Value>=0){
     //1
     angle=atan((((double)Y_Value/(double)X_Value)));
     angle=angle*((180)/(3.14159265));

     }else if(X_Value<0 && Y_Value>=0){
      //2

     angle=atan((((double)Y_Value/((double)(-1)*X_Value))));
     angle=angle*((180)/(3.14159265));
     angle=180-angle;



    }else if(X_Value<0 && Y_Value<0){
      //3
     angle=atan((((double)Y_Value/(double)X_Value)));
     angle=angle*((180)/(3.14159265));
     angle=angle+180;



    }else if(X_Value>=0 && Y_Value<0){
      //4
     angle=atan(((((double)(-1)*Y_Value)/(double)X_Value)));
     angle=angle*((180)/(3.14159265));
     angle=360-angle;


    }

    if(X_value>=0){

    }else{
     X_value=(-1)*X_value;

    }
    if(Y_value>=0){

    }else{
     Y_value=(-1)*Y_value;

    }
    Delay_ms(100);
}