پاسخ : نحوه خواندان ولتاژ از ct
استاد کوهستانی کمکم می کنی این رو به میکرو مثل کنم ؟؟
استاد کوهستانی کمکم می کنی این رو به میکرو مثل کنم ؟؟
sbit CS5460ADin = P1^5; // CS4560A serial data in sbit CS5460ADout = P1^6; // CS4560A serial data out sbit CS5460AClk = P1^7; // CS4560A serial clock //CS5460A register addresses #define CS5460A_REG_CONFIG 0x00 #define CS5460A_REG_AIN1_OFFSET 0x02 #define CS5460A_REG_AIN1_GAIN 0x04 #define CS5460A_REG_AIN2_OFFSET 0x06 #define CS5460A_REG_AIN2_GAIN 0x08 #define CS5460A_REG_CYCLE 0x0A #define CS5460A_REG_PULSE 0x0C #define CS5460A_REG_CURRENT 0x0E #define CS5460A_REG_VOLT 0x12 #define CS5460A_REG_POWER 0x14 #define CS5460A_REG_ENERGY 0x16 #define CS5460A_REG_IRMS 0x18 #define CS5460A_REG_VRMS 0x1A #define CS5460A_REG_TBC 0x1C #define CS5460A_REG_PWR_OFFSET 0x1E #define CS5460A_REG_STATUS 0x20 #define CS5460A_REG_IACOFFSET 0x22 #define CS5460A_REG_VACOFFSET 0x24 #define CS5460A_REG_MASK 0x34 #define CS5460A_REG_CONTROL 0x38 //CS5460A commands #define CONVERT_CONTINOUS 0xE8 #define CONVERT_ONCE 0xE0 #define CS5460A_SYNC0 0xFE #define CS5460A_SYNC1 0xFF #define POWER_UP_HALT 0xA0 #define CAL_AIN1_DC_GAIN 0xCA #define CAL_AIN1_DC_OFFSET 0xC9 #define CAL_AIN2_DC_GAIN 0xD2 #define CAL_AIN2_DC_OFFSET 0xD1 #define CS5460A_WRITE 0x40 #define CS5460A_READ 0x3E //config data #define CLOCK_DIVIDER 0x00000004 #define AIN1_GAIN_10 0x00000000 #define AIN1_GAIN_50 0x00010000 #define SOFT_RESET 0x00000080 #define MASK_NO_INTERRUPTS 0x00000000 #define STATUS_CLR_CRDY 0x00100000 #define STATUS_CLR_DRDY 0x00800000 #define STATUS_CLR_ALL 0x00FFFFFF #define CONTROL_DEFAULT 0x00000000 #define CURRENT_GAIN_DEFAULT 0x00100000 #define VOLT_GAIN_DEFAULT 0x00100000 #define COMPUTATION_CYCLE 0x00000FA0 #define TIME_BASE 0x00800000 //=========================================================================== bit CS5460AReadDRDYBit(void) { bit ReadyBit; Byte4 xdata StatusRegister; StatusRegister=CS5460ARead24Bits(CS5460A_REG_STATUS); if(StatusRegister & 0x00800000){ReadyBit=1;}else{ReadyBit=0;}//get DRDY bit return(ReadyBit); } //=========================================================================== bit CS5460AReadCRDYBit(void) { bit ReadyBit; Byte4 xdata StatusRegister; StatusRegister=CS5460ARead24Bits(CS5460A_REG_STATUS); if(StatusRegister & 0x00100000){ReadyBit=1;}else{ReadyBit=0;}//get CRDY bit return(ReadyBit); } //=========================================================================== void CS5460AResetConfigure(void) { CS5460AReset(); CS5460AWrite24Bits((CLOCK_DIVIDER |AIN1_GAIN_10),CS5460A_REG_CONFIG);//Ain1 CS5460AWrite24Bits(CONTROL_DEFAULT,CS5460A_REG_CONTROL);//write default CS5460AWrite24Bits(STATUS_CLR_ALL,CS5460A_REG_STATUS);//clear all status CS5460AWrite24Bits(MASK_NO_INTERRUPTS,CS5460A_REG_MASK);//no interrupts //gain is 10, clock divider is 4 CS5460AWrite24Bits(CURRENT_GAIN_DEFAULT,CS5460A_REG_AIN1_GAIN);//Ain1 gain CS5460AWrite24Bits(VOLT_GAIN_DEFAULT,CS5460A_REG_AIN2_GAIN);//Ain2 gain CS5460AWrite24Bits(COMPUTATION_CYCLE,CS5460A_REG_CYCLE);//rms cycle CS5460AWrite24Bits(TIME_BASE,CS5460A_REG_TBC);//default time base CS5460AWriteCommand(CONVERT_CONTINOUS);//start conversions return; } //=========================================================================== void CS5460AReset(void) { Byte xdata BitCounter; //Cirrus Logic data sheet page 43 for(BitCounter=0;BitCounter<3;BitCounter++)//send 3 SYNC1 bytes { CS5460AWriteCommand(CS5460A_SYNC1); } CS5460AWriteCommand(CS5460A_SYNC0);//send 1 SYNC0 byte CS5460AWrite24Bits(SOFT_RESET,CS5460A_REG_CONFIG);//issue soft reset return; } //=========================================================================== void CS5460AWriteCommand(Byte Command) { Byte xdata WriteByte; Byte xdata BitCounter; WriteByte=Command; for(BitCounter=0;BitCounter<8;BitCounter++) { if(WriteByte & 0x80){CS5460ADin=1;}else{CS5460ADin=0;} CS5460APulseClock();WriteByte=WriteByte<<1; } return; } //=========================================================================== void CS5460AWrite24Bits(Byte4 RegisterData, Byte AdcRegisterAddress) { Byte xdata BitCounter; Byte xdata WriteByte; Byte4 xdata WriteLong; WriteLong=RegisterData; WriteByte=(CS5460A_WRITE | AdcRegisterAddress);//write command with reg address for(BitCounter=0;BitCounter<8;BitCounter++)//send command { if(WriteByte & 0x80){CS5460ADin=1;}else{CS5460ADin=0;} CS5460APulseClock(); WriteByte=WriteByte<<1; } for(BitCounter=0;BitCounter<24;BitCounter++)//write 24 bits { if(WriteLong & 0x00800000){CS5460ADin=1;}else{CS5460ADin=0;} CS5460APulseClock(); WriteLong=WriteLong<<1; } return; } //=========================================================================== Byte4 CS5460ARead24Bits(Byte AdcRegisterAddress) { Byte xdata BitCounter=0; //send read command with register address Byte xdata WriteByte=CS5460A_READ & AdcRegisterAddress; Byte4 xdata Data24Bits=0; Byte4 xdata ThreeSync0=0x00FEFEFE; CS5460ADout=1;//pull up port pin for a read for(BitCounter=0;BitCounter<8;BitCounter++) { if(WriteByte & 0x80){CS5460ADin=1;}else{CS5460ADin=0;} CS5460APulseClock(); WriteByte=WriteByte<<1; } for(BitCounter=0;BitCounter<24;BitCounter++)//read 24 bits { if(ThreeSync0 & 0x00800000){CS5460ADin=1;}else{CS5460ADin=0;}//SYNC0 command on SDI CS5460APulseClock(); ThreeSync0=ThreeSync0<<1; if(CS5460ADout){Data24Bits=((Data24Bits<<1)| 0x1);}//get msb and other bits else{Data24Bits=Data24Bits<<1;} } return(Data24Bits>>1 & 0x00FFFFFF); } //=========================================================================== void CS5460APulseClock(void){CS5460AClk=1;CS5460AClk=0;return;} //=========================================================================== // MAIN Routine //=========================================================================== void main (void) { CS5460AClk=0; CS5460AResetConfigure(); Delay10MilliSec(100); if(CS5460AReadCRDYBit()){Va=1;} Gain=CS5460ARead24Bits(CS5460A_REG_VOLT);//dummy read //=========================================================================== while(1) { if(CS5460AReadCRDYBit()) { //CS5460AWrite24Bits(STATUS_CLR_DRDY,CS5460A_REG_STATUS);//clear DRDY //Test=CS5460ARead24Bits(CS5460A_REG_IRMS); Test=CS5460ARead24Bits(CS5460A_REG_CURRENT); Volt=CS5460ARead24Bits(CS5460A_REG_VOLT); CS5460AWrite24Bits(STATUS_CLR_CRDY,CS5460A_REG_STATUS);//clear CRDY } }//end of while }//end of main //=========================================================================== //end of main //===========================================================================
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