Relay. bit4 bit5 bit6 bit7

Size: px

Start display at page:

Download "Relay. bit4 bit5 bit6 bit7"

Isabella Chapman
5 years ago
Views:

1 /************************************************* LC METER INTERNAL OSC 1602 display by 4 bit with PIC16 16F By nobcha all right reserved Ver /29 29/ for pic16 16f88 V2.0 02/10 10/2012 for PIC16 16F Hitech C & MPLAB PIC16 16F LCD PIN Assign #1 RA2:comparator input c1+ c #2 RA3:comparator c1outc #3 RA4:comparator c2out c t0ckit #4 RA5/MCLR MCLR:CLEAR CLEAR SW #6 RB0:EN #7 RB1:RS RS #8 RB2:none #9 RB3:Relay Relay #10 RB4:bit bit4 #11 RB5:bit bit5 #12 RB6:bit bit6 #13 RB7:bit bit7 #15 RA6:MON LED #16 RA7:L/C select #17 RA0:comparator c1-c #18 RA1:comparator c2-c TMR0 is counter with 1/2 prescaler TMR1 is gate time controller as set 10ms ms( ) OSC INTERNAL 8MHz Development Circumstance MPLAB IDE V8.73 V 73a HiTECH C V9.83V Counter data is put on TMR0 input. TMR1 is worked for 10mS gate. TMR0 is 8 bits counter It is counted TMR0 overflow on count_1. **************************************************/ #define pic_clk clk #define MHz #define _XTAL XTAL_FREQ 8MHz ページ (1)

2 #define CAL_LOW LOW LATB3 // Calibration ON RELAY PORT #define CAL_SW RA7 // Calibration status switch #define CHK_LED LATA6 // Operation check LED #define c_cal c cal // 1000pF is calibration capacitor <htc htc.h> "delay delay.h" <pic pic.h> <stdio stdio.h> "lcd lcd.h" CONFIG CONFIG( FOSC_INTOSC & WDTE_OFF & PWRTE_ON & MCLRE_ON & CP_OFF & CPD_OFF & BOREN_OFF OFF & CLKOUTEN_OFF OFF & IESO_OFF OFF & FCMEN_OFF ); CONFIG CONFIG( WRT_OFF & PLLEN_OFF & STVREN_ON & LVP_OFF ); unsigned short freq3, freq2, freq1; unsigned short ci=0,li li=0,test value,freqcal freqcal; float l_inv l inv,l_int int,c_int int,f_sq sq; unsigned char timeup, count_l,mmm mmm=0,chk chk_led led,err err=0; void cnt_setup setup(void void){ TRISA = 0b ; // RA4 disable RA0,1,2,5,7 input TMR0 = 0 ; // TMR0 clear TMR1L = 0; // Clear Low Byte of TMR1 TMR1H = 177; // Set 177* =45312 TMR1L = 224; // Set ( ) = = // This is 10mS gate time settinng T0IF IF=0; // TMR0 flag off TMR1IF IF=0; // TMR1 flag off TMR1IE IE=1; // TMR1 INT ENABLE T0IE IE=1; // TMR0 INT ENABLE timeup=0; // Reset timeup flag count_l=0; // Reset overtime flag INTCON=0b ; // GIE 1,PEIE 1,TMR TMR0IE 1,INT INT0IE IE 0,RBIE TMR0IF 0,INT INT0IF IF 0,RBIF 0 ページ (2)

3 T1CON = 0b ; // T1RUN 1,T1CKPS 00,T1OSCDIS OSCDIS,T1SYNC SYNC 1,TMR TMR1CS TMR1ON 1 TRISA = 0b ; // RA4 enable void interrupt cnt_int int(void void){ GIE=0; if(t0if IF){ count_l++ ++; // Counter0 overflow occured T0IF IF=0; GIE=1; if(tmr TMR1IF IF){ TRISA = 0b ; // Stop count RA4 disable timeup=1; // Gate time over TMR1IF =0; short freq_count count(void void){ // Frequency counting cnt_setup setup() (); // Counter start set up // Waiting gate off 10ms GIE=1; // Interrupt enable while(timeup timeup== ==0){ // Gate time up waiting timeup=0; // Reset flag GIE=0; // Interrupt disable // Return frequency return(( ((short short)(( )((TMR TMR0+count count_l* ))* ))*2); // (tmr ( tmr0+( +(overflow count_1* ))* ))*prescaler // Stand for nnnn.n n khz void freq_display display(unsigned short freq){ // Display freq on LCD char k=0, k data; // nnnn.n n khz short decimal = 10000; // Get modulo by deviding char zero_sup sup=1; // Zero suppres flag if(freq freq> ){ freq= ; while(k<5){ // 5 digits data = ((char char)(( )((freq freq/decimal decimal)%10 %10)) 0x30 30; // Get digit data if(( ((disp data== ==0x30 30)&zero zero_sup & k!=!=3 ){ data=0x20 20; // zero suppres ページ (3)

4 release 1827l_lcm_main else{ zero_sup sup=0; // zero suppres putch(disp data ); // Display digit ms(5); if(k== ==3){lcd putch(0x2e); // Display DP ms(2); // decimal = decimal / 10; // 10->1 k++ ++; void test_display display(unsigned short value, char dp){ // Test data display char j=0, j data; // nnnnn uh or pf short decimal = 10000; // Get modulo by deviding char zero_sup sup=1; // Zero suppres flag while(j<5){ // 5 digits data = ((char char)(( )((value value/decimal decimal)%10 %10)) 0x30 30; // Get digit data release if(( ((disp data== ==0x30 30)&zero zero_sup & j!=(!=(dp dp)) )){ // except dp digit data=0x20 20; // zero suppres else{ zero_sup sup=0; // zero suppres // putch(disp data ); // Display digit if (j== ==dp & dp!=!=4 ){ putch(0x2e); // Display DP decimal = decimal / 10; // 10->1 j++ ++; float freq_cal cal(short f1, f short f2){ f // Coefficient calculating return(( ((float )(f1)/( )/(float )(f2)*( )*(float )(f1)/( )/(float )(f2)- )-1); ページ (4)

5 void main() (){ unsigned char i,l_power i power, l_digi digi, l_unit unit, c_power power, c_digi digi, c_unit unit; TRISA = 0b ; // RA3,6 output the others input RA4 control CM1CON CON0 = 0b ; // Comparator 0 CM2CON CON0 = 0b ; // Comparator 1 is not used CM1CON CON1 = 0b ; // cxpch:11 C12 12IN IN+: +:RA RA2 C12 12IN IN0- CM2CON CON1 = 0b ; // C1PCH PCH:10 FVR,C12 12IN IN1-: -:01 FVRCON = 0b ; // FVR ENABLE 2.048V ANSELA = 0b ; TRISB = 0b ; // All output ANSELB = 0b ; PORTA = 0b ; // PORTA clear PORTB = 0b ; // PORTB CLEAR OPTION_REG REG=0b ; // PORTB pullup,intedg 0,TOCS T0CKI T 1,ToSE ToSE1,PSA TIMER0,1/4 OSCCON = 0x70 70; // Internel 8MHz GIE=0; // INT off T1CON = 0; // Timer1 off INTCON=0b ; // GIE 0,PEIE 1,TMR TMR0IE 1,INT INT0IE IE 0,RBIE TMR0IF 0,INT INT0IF IF 0,RBIF 0 PIE1 = 0b ; // ADIE 0,RCIE 0,TXIE 0,SSPIE 0,CCP CCP1IE TMR2IE TMR1IE 1 PIR1 = 0b ; // ADIF 0,RCIF 0,TXIF 0,SSPIF 0,CCP CCP1IF TMR2IF TMR1IF 1 T2CON = 0x0; // No use while(1){ lcd_init init() (); goto(0); // select first line ("LCM F1:") F :"); // LCD display ("SET CALSW") "); // Ask cal SW on for(i=0;i<50 50;i++) ++){ // START SWITCH CHECK // If caliblration ページ (5)

6 while(cal CAL_SW SW== ==0){ // CAL switch check while(cal CAL_SW SW== ==0){ // Check again /* Get frequency 1 and display */ goto(7); // Set position ms(2); freq1=freq freq_count count() (); // F1 get freq1=freq freq_count count() (); // F1 get again freq_display display(freq freq1); // display F1F ("khz khz") "); // // Sample measuring forever if not error while(err err== ==0){ /* Turn on CAL relay and get frequency 2 */ CAL_LOW LOW=1; // Calibration capasitor on ms( ); // Wait 100ms freq2=freq freq_count count() (); // Get F2F CAL_LOW LOW=0; // Capacitor off /* F2 displaying */ goto(40 40); // Move cursur to the top of 2nd line ms(1); // Wait 1ms freq_display display(freq freq2); // display F2F error while(freq freq2< ){ // too low (20 20kHz khz) freq2 goto(48 48); ms(10 10); if(freq freq2> ){ // If freq2< aborted /* Calculating C and L */ c_int int=( =(float )(c_cal cal)/ )/freq freq_cal cal(freq freq1,freq freq2); // Calcurate c_int c from F and F2F (F1*F1) f_sq sq=( =(float )(freq freq1)*( )*(float )(freq freq1)/+ )/ E+2; // l_inv inv=(+ =( E+1)* )*f_sq sq*c_int int; l_int int=(+ =( E+14 14)/ )/l_inv inv; // /* for debugging */ ページ (6)

7 value value test_display display(( ((short short)( )(c_int int),5); // Display c_int c // Wait 20ms test_display display(( ((short short)( )(l_int int),2); // Display l_int l for(i=0;i<50 50;i++) ++){ // Wait 1 second again while(cal CAL_SW SW== ==1){ // Check sw status for(i=0;i<10 10;i++) ++){ // Wait 0.2 second // calibration end /* Measuring starting message */ while(1){ CHK_LED LED=( =(chk chk_led led++) ++)&0x1; // LED on/off off for(i=0;i<50 50;i++) ++){ // Wait 1 second C goto(8); ("SET TEST") "); // Ask setting L or for(i=0;i<50 50;i++) ++){ // Wait 1 second goto(7); freq_display display(freq freq1); ("khz khz") "); // display F1F freq3=freq freq_count count() (); // Get F3F chk_led led!=!=chk chk_led led; // LED on/off off /* displaying value */ goto(40 40); // Move cursur to top of line ms(1); /* Metric unit changing */ ページ (7)

8 l_power power= ; l_digi digi=1; l_unit unit='m'; '; if(freq freq3== ==0){ ("no coil") "); else{ Under 2kHz error than 100kHz if(freq freq3<20 20){lcd ("err err") ");err err=1; // else if(freq freq3< ){ // If F3 F is lower // mh assigned else{ l_power power=1; l_digi digi=0; l_unit unit='u'; '; c_power power=1; c_digi digi=0; c_unit unit='p'; '; /* Calculating value */ if(cal CAL_SW SW== ==0){ // If RA0== ==1 L measuring value=( =(unsigned short)(( )((freq freq_cal cal(freq freq1,freq freq3))* ))*l_int int/10 10/l_power power); test_display display(test value,3-l_digi digi); // 5digits displaying ms(10 10); putch(l_unit unit); ("H") "); else{ value=( =(unsigned short)(( )((freq freq_cal cal(freq freq1,freq freq3))* ))*c_int int/c_power power); test_display display(test value,4-c_digi digi); // 5digits displaying ms(10 10); putch(c_unit unit); ("F") "); // If calibration_switch switch== ==0 C measuring F3 freq_display display(freq freq3); // display ページ (8)

9 1827l_lcm_main ("khz "); ページ (9)

Chapter 11: Interrupt On Change

Chapter 11: Interrupt On Change The last two chapters included examples that used the external interrupt on Port C, pin 1 to determine when a button had been pressed. This approach works very well on most