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pic18f4550 程式設定

#include <xc.h>

#pragma config CPUDIV = OSC1_PLL2, FOSC = HS

#pragma config WDT = OFF, PBADEN = OFF, XINST = OFF, LVP = OFF

#include <xc.h>

void delay_ms(unsigned int ms);

void init_TMR0(void);

void TMR0_INTEN(void);

extern unsigned char sta;

//---

void led_scan(void);

//---

unsigned char sta=0;

void dipsw(void){

unsigned char r;

TRISE = 0x07;

r = PORTEbits.RE0*4;

r += PORTEbits.RE1*2;

r += PORTEbits.RE2*1;

sta = r;

}

//---

volatile unsigned int tick;

void interrupt HighISR(void)

{

if (TMR0IE && TMR0IF)

{

TMR0H = (65536-4000)/256;

TMR0L = (65536-4000)&0xFF;

TMR0IF = 0;

led_scan();

dipsw();

tick++;

}

}

void delay_ms(unsigned int ms){

ms += tick;

while(ms!=tick){}

}

void init_TMR0(void){

T0CON = 0x88;

TMR0H = (65536-4000)/256;

TMR0L = (65536-4000)&0xFF;

TMR0IF=0;

}

void TMR0_INTEN(void){

TMR0IF = 0;

TMR0IE = 1;

TMR0IP = 1;

IPEN =1;

GIEL =1;

GIEH =1;

}

#include <xc.h>

void pwm0_on(unsigned char p);

void pwm0_off(void);

void pwm1_on(unsigned char p);

void pwm1_off(void);

//---- PWM

void pwm0_on(unsigned char p){

unsigned int r16;

//--- TMR2

TRISC2 = 0;

T2CON = 6;

//--- PWM

CCP1CON = 12; //RC2 -- D3

CCPR1L = 58;

PR2 = 83-1;

r16 = PR2 * p;

r16 = (r16+50)/100;

CCPR1L = r16;

}

void pwm0_off(void){

//T2CON=0;

CCP1CON=0;

TRISC2 = 0;

LATC2 = 0;

}

void pwm1_on(unsigned char p){

unsigned int r16;

//--- TMR2

TRISC1 = 0;

T2CON = 6;

//--- PWM

CCP2CON = 12; //RC2 -- D3

CCPR2L = 58;

PR2 = 83-1;

r16 = PR2 * p /2;

r16 = (r16+50)/100;

CCPR2L = r16;

}

void pwm1_off(void){

//T2CON

CCP2CON=0;

TRISC1 = 0;

LATC1 = 0;

}

//----

#include <xc.h>

void led_scan(void);

void led_dec(unsigned char hh, unsigned char ll);

void led_dot(unsigned char n);

void led_lv(unsigned char n);

const unsigned char seg[]={

0b11111100,

0b01100000,

0b11011010,

0b11110010,

0b01100110,

0b10110110,

0b10111110,

0b11100000,

0b11111110,

0b11110110

};

unsigned char li=0, tp=0;

unsigned char D1=2,D2=0,D3=1,D4=7;

unsigned char LV=3;

void led_scan(void){

unsigned char dot;

TRISD = 0;

TRISB &= 0xF0;

LATB |= 0x0F;

dot = 1;

switch(li){

case 0: //--- D1

if (tp & 0b1000){ dot = 0; }

LATD = ~seg[D1];

LATB3=0;

break;

case 1: //--- D2

if (tp & 0b0100){ dot = 0; }

LATD = ~seg[D2];

LATB2=0;

break;

case 2: //--- D3

if (tp & 0b0010){ dot = 0; }

LATD = ~seg[D3];

LATB1=0;

break;

case 3: //--- D4

if (tp & 0b0001){ dot = 0; }

LATD = ~seg[D4];

LATB0=0;

break;

}

li++;

if(li>12){ li=12; }

if(li>LV){ li=0; }

LATD0 = dot;

}

void led_dec(unsigned char hh, unsigned char ll){

D1 = hh/10; D2 = hh%10;

D3 = ll/10; D4 = ll%10;

}

void led_dot(unsigned char n){

tp = n;

}

void led_lv(unsigned char n){

switch(n){

case 0: LV=16-1; break;

case 1: LV=12-1; break;

case 2: LV=8-1; break;

case 3: LV=4-1; break;

}

}

#include <xc.h>

unsigned int get_adc(unsigned char n);

unsigned int get_adc(unsigned char n){

TRISA |= 0x0F;

ADCON0 = 0b00000001;

ADCON1 = 0b00001011;

ADCON2 = 0b10111101;

switch(n){

case 0: ADCON0 = 0b00000001; break;

case 1: ADCON0 = 0b00000101; break;

case 2: ADCON0 = 0b00001001; break;

case 3: ADCON0 = 0b00001101; break;

}

GO = 1;

while(GO==1){}

return ADRES;

}

#include <xc.h>

void led_on(unsigned char n);

void led_off(unsigned char n);

void led_tgl(unsigned char n);

void led_on(unsigned char n){

switch(n){

case 1: TRISB4=0; LATB4=1; break;

case 2: TRISB5=0; LATB5=1; break;

case 3: TRISC2=0; LATC2=1; break;

case 100: LATB4=LATB5=LATC2=1; break;

}

}

void led_off(unsigned char n){

switch(n){

case 1: TRISB4=0; LATB4=0; break;

case 2: TRISB5=0; LATB5=0; break;

case 3: TRISC2=0; LATC2=0; break;

case 100: LATB4=LATB5=LATC2=0; break;

}

}

void led_tgl(unsigned char n){

switch(n){

case 1: TRISB4=0; LATB4^=1; break;

case 2: TRISB5=0; LATB5^=1; break;

case 3: TRISC2=0; LATC2^=1; break;

case 100:

LATB4^=1;

LATB5^=1;

LATC2^=1;

break;

}

}

#include <xc.h>

//--- tmr0.c

void delay_ms(unsigned int ms);

void init_TMR0(void);

void TMR0_INTEN(void);

extern unsigned char sta;

//--- 7seg.c

void led_scan(void);

void led_dec(unsigned char hh, unsigned char ll);

void led_dot(unsigned char n);

void led_lv(unsigned char n);

//--- led.c

void led_on(unsigned char n);

void led_off(unsigned char n);

void led_tgl(unsigned char n);

//--- adc.c

unsigned int get_adc(unsigned char n);

//--- pwm.c

void pwm0_on(unsigned char p);

void pwm0_off(void);

void pwm1_on(unsigned char p);

void pwm1_off(void);

void TASK_11(void){

led_dot(0b1000);

led_off(1);

led_on(2);

while(1){

unsigned int r16;

r16 = get_adc(1);

if(r16>1000){ r16=1000; }

r16 = r16 *5;

led_dec(r16/100, r16%100);

delay_ms(100);

//---

if(sta != 0){ break;}

}

}

void TASK_12(void){

led_dot(0b1000);

led_on(1); led_off(2);

while(1){

unsigned int r16;

r16 = get_adc(2);

if(r16>1000){ r16=1000; }

r16 = r16 *5;

led_dec(r16/100, r16%100);

delay_ms(100);

//---

if(sta != 1){ break;}

}

}

void TASK_13(void){

led_dot(0b1000);

led_on(1); led_on(2);

while(1){

unsigned int r16;

r16 = get_adc(3);

if(r16>1000){ r16=1000; }

r16 = r16 *5;

led_dec(r16/100, r16%100);

//---

if(sta != 2){ break;}

}

}

void TASK_2(void){

led_dot(0b0010);

led_on(1); led_off(2);

while(1){

unsigned int r16;

r16 = get_adc(2);

if(r16>1000){ r16=1000; }

pwm0_on(r16/10);

led_dec(r16/100, r16%100);

delay_ms(100);

//---

if(sta != 3){ break;}

}

//---

pwm0_off();

}

void TASK_3(void){

led_dot(0b0010);

led_on(1); led_off(2);

while(1){

unsigned int r16;

r16 = get_adc(3);

if(r16>1000){ r16=1000; }

if(r16>300){

r16=500;

pwm1_on(50);

}else{

r16=0;

pwm1_off();

}

led_dec(r16/100, r16%100);

delay_ms(100);

//---

if(sta != 4){ break;}

}

pwm1_off();

}

void TASK_4(void){

led_dot(0b0010);

led_on(1); led_on(2);

//---

while(1){

unsigned long r16;

r16 = get_adc(0);

r16 = r16 * 600;

r16 = (r16+512)/1023;

r16 = r16 + 200;

//---

led_dec(r16/100, r16%100);

delay_ms(100);

if(sta != 5){ break;}

}

//---

}

void TASK_5(void){

led_dot(0b1010);

while(1){

unsigned int r16;

r16 = get_adc(2);

r16 = r16 /256;

switch(r16){

case 0:

led_off(1); led_off(2);

led_lv(0);

break;

case 1:

led_off(1); led_on(2);

led_lv(1);

break;

case 2:

led_on(1); led_off(2);

led_lv(2);

break;

case 3:

led_on(1); led_on(2);

led_lv(3);

break;

}

led_dec(88,88);

delay_ms(100);

if(sta != 6){ break;}

}

//---

led_lv(3);

}

void TASK_6(void){

unsigned int t1,t2,t3,ff;

led_dot(0b0010);

led_on(1); led_off(2);

T1CON=0x81;

ADCON1=0x0F;

TRISA0 = 1;

while(1){

int i;

for(i=0;i<20;i++){

while(PORTAbits.RA0==1){} //Low

while(PORTAbits.RA0==0){} //High

t1 = TMR1L;

t1 = t1 + (unsigned int)TMR1H*256;

while(PORTAbits.RA0==1){} //Low

while(PORTAbits.RA0==0){} //High

t2 = TMR1L;

t2 = t2 + (unsigned int)TMR1H*256;

t3 = t2 - t1;

ff = 4000000ul*10 / t3 ;

if(ff>4999){ ff=4999; }

led_dec(ff/100, ff%100);

delay_ms(100);

}

led_on(1); led_off(2);

for(i=0;i<20;i++){

while(PORTAbits.RA0==1){} //Low

while(PORTAbits.RA0==0){} //High

t1 = TMR1L;

t1 = t1 + (unsigned int)TMR1H*256;

while(PORTAbits.RA0==1){} //Low

while(PORTAbits.RA0==0){} //High

t2 = TMR1L;

t2 = t2 + (unsigned int)TMR1H*256;

t3 = t2 - t1;

ff = 4000000ul*10 / t3 ;

if(ff>4999){ ff=4999; }

led_dec(ff/100, ff%100);

delay_ms(100);

}

led_off(1); led_on(2);

//---

if(sta != 7){ break;}

}

T1CON=0;

}

//-----

void init(void){

init_TMR0();

TMR0_INTEN();

ADCON1 = 0x0F;

}

void main(void) {

init();

while(1){

switch(sta){

case 0: TASK_11(); break;

case 1: TASK_12(); break;

case 2: TASK_13(); break;

case 3: TASK_2(); break;

case 4: TASK_3(); break;

case 5: TASK_4(); break;

case 6: TASK_5(); break;

case 7: TASK_6(); break;

}

}

}