#include <16F876A.h>
#device adc=10
#FUSES NOWDT //No Watch Dog Timer
#FUSES NOLVP,NOPROTECT,XT,NOBROWNOUT
#use delay(clock=4000000)
//#define EEPROM_SCL PIN_C3
//#define EEPROM_SDA PIN_C4
#use rs232(baud=9600,xmit=PIN_C6,disable_ints)
//#use i2c(Master,Fast,sda=PIN_C4,scl=PIN_C3)
#define LCD_RS PIN_C7 // rizeni registru LCD displeje <lcd.c>
#define LCD_E PIN_B7 // enable LCD displeje <lcd.c>
#define LCD_D0 PIN_B3 // data LCD <lcd.c>
#define LCD_D1 PIN_B2
#define LCD_D2 PIN_B1
#define LCD_D3 PIN_B0
#define PWM_OUT PIN_C2 // kontrast LCD - menic
#define LCD_ENABLE PIN_A1
#define GM_PIN PIN_A4 // vstup od GMT
#define HV_ENABLE PIN_A3 // start 400V
#define CHARGE PIN_A2 // nabijeni baterie
#define KBD_K4 0 //tlacitko na PIN_B7 neexistuje <kbd.c>
#define TL3 0x10 //tlacitko PIN_B4 -ostatni default, viz <kbd.c>
#define TL2 0x20 //tlacitko PIN_B5 <kbd.c>
#define TL1 0x40 //tlacitko PIN_B6 <kbd.c>
#define KBD_CALMTIME 1 //x*40ms - doba na zakmity tlacitek <kbd.c>
#define KEYDELAY 30 //x*40ms - doba podrzeni tlacitka do opakovani
#define KEYREPEAT 6 //x*40ms - doba opakovani stiskleho tlacitka
#define LOG_PERIOD 30 //perioda logovani v min
#define TIME_TO_SLEEP 19 //x*16s - doba do uspani, pokud zadny stisk a HV nebezi
#define MAX_EEPROM 255 //max velikost vnitrni ee pameti
#define EE_LOG_SWITCH 1 //misto v ee, kam se uklada zpusob logovani
#define EE_LOG_OFFSET 0 //misto v ee, kde je ulozen offset dalsiho volneho mista
#define ECHO_MAX_CYCLE 700 //ryhlost hlavni smyèky za 40ms /cca 20kHz/ (700)
#define ECHO_PIN1 PIN_C4 //piezo
#define ECHO_PIN2 PIN_C5 //piezo
#define TEST_V_BATT 0x0f //maska minut pro test baterie
#define BATT_ENABLE 525 //1024/ADC*1.5+0.18 ADC=525 .. Ubat=3.1V; jeli Ubat nizsi pak sleep
#include <lcd.c>
#include <kbd.c>
int8 ms7RTC,sRTC,mRTC,hRTC,dRTC,mdRTC,yRTC; //promenne RTC
int1 vypocet,refresh,counters,sleep,log,piezo; //povoleni vypoctu,zobrazeni,citani,uspani,logovani,cvak pieza
int16 avg,bkg,min,max,dif; //hlavni zobrazované promìnne
int32 gmcount,mincount; //citac trubice GM,citac minut od startu
int8 timer_n,timer_s; //citace pulzù do 40ms, v celych 40ms, v predchozi 40ms
int32 gmcount_p; //pocet pulzu od zapnuti v predchozi cele minute
int32 gmcount_sm; //pocet pulzu od zapnuti precteno v cele minute
int8 s25tik,sTIK; //tiky pro casovani trubice 25tiku do sekundy, 60s do min
int8 key_timer,save_key,keyp; //pomocny citac pro tlacitka,ulozeni stiskleho tlacitka,provedeni akce stiskleho tl.
int8 menu_A,menu_B; //vektor pro pohyb v menu na LCD
int8 log_interval; //minutovy citac do dalsiho logu
int8 log_switch; //prepinac zpusobu logovani
int8 ee_offset; //kam v ee ulozit dalsi zaznam
int8 echo_switch,echo_tik; //povolení echa,poèet tiku za 40ms
int16 echo_timer,echo_cycle; //èitaè rychlosti smyèky pro echo,cvaknuti v cyklu
int8 pwm; //kontrast
int8 tik_to_sleep; //casovac pro uspani
float analog; //napeti baterie
int1 test_batt; //test napeti baterie
int1 test; //pokus
int8 timertest; //pokus
#priority timer2,timer1,rb
#int_TIMER2 //nastaven presne na 40ms,cte casovac timer0 GMT
TIMER2_isr()
{
kbd_ticktimer();
if (key_timer) key_timer--;
if (!counters) {set_timer0(0);s25TIK=0;sTIK=0;return;}
if (echo_switch) echo_switch=2;
timer_n=get_timer0();
s25TIK++;
if (timer_n!=timer_s) //nastala zmena v citaci,pak proved pricteni puslu
{
if (timer_n < timer_s) {timer_s=256-timer_s+timer_n;gmcount=gmcount+timer_s;} //test preteceni casovace
else {timer_s=timer_n-timer_s;gmcount=gmcount+timer_s;}
echo_tik=timer_s;
timer_s=timer_n;
if (menu_A==1 && menu_B==0) refresh=true;
}
else echo_tik=0;
if (s25TIK==25) //cela sekunda
{
s25TIK=0;
sTIK++;
if (menu_A==1 && menu_B==5) refresh=true;
if (sTIK==60) //cela minuta
{
sTIK=0;
mincount++;
vypocet=true;
gmcount_sm=gmcount;
}
}
}
#int_RB
RB_isr()
{
kbd_pullkbd();
tik_to_sleep = TIME_TO_SLEEP;
}
int8 modulo(int8 h,int8 m) //pomocna fce pro modulo x
{
if (h<m) return (h);
return(h-m);
}
void clear_lcd()
{
printf(lcd_putc,"\f");
}
void set_date() //citac datumu
{
dRTC++;
switch (mdRTC)
{
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12: if(dRTC>=32) {dRTC=1;mdRTC++;if(mdRTC==13) {mdRTC =1;yRTC=modulo(yRTC++,100);}} break;
case 4:
case 6:
case 9:
case 11: if(dRTC>=31) {dRTC=1;mdRTC++;} break;
case 2: if (dRTC >= 30) {dRTC=1;mdRTC++;break;}
if (dRTC ==29) {if (!(yRTC & 0x03)) break;dRTC=1;mdRTC++;}
}
}
#int_TIMER1 // RTC
TIMER1_isr()
{
sRTC=sRTC+16;
if (sRTC >= 60)
{
mRTC++;sRTC=modulo(sRTC,60); //1min
if (mRTC>=60) {hRTC++;mRTC=0;} //1hod
if ((mRTC & TEST_V_BATT) == TEST_V_BATT) test_batt=true;
if (hRTC>=24) {hRTC=0;set_date();} //1den
}
refresh=true;
if (tik_to_sleep) tik_to_sleep--;
}
void ee_head() //ulozeni hlavicky do ee cas,datum,zpusob logovani
{ //v ee 100hhhhh /hodiny/,l0mmmmmm /log + minuty/,000ddddd /den/,yyyymmmm /rok-7,mesic/
int8 data;
log=true;
if (!log_switch) return;
if (ee_offset>5) {
data=read_eeprom(ee_offset-4);
if (bit_test(data,7)) ee_offset=ee_offset-4;
}
if (ee_offset>=(MAX_EEPROM-5)) {log=false;return;}
log_interval=0;
data=hRTC;
bit_set(data,7);
write_eeprom(ee_offset++,data);
data=mRTC;
if (bit_test(log_switch,0)) bit_set(data,7);
write_eeprom(ee_offset++,data);
write_eeprom(ee_offset++,dRTC);
data=((yRTC-7) << 4)|mdRTC;
write_eeprom(ee_offset++,data);
}
void menu_proces(int8 key) //menu zobrazene na LCD pri citani
{
switch (key)
{
case TL1: menu_A=2;refresh=true;clear_lcd();return;
case TL2: if (log) log=false;
else ee_head();
break;
case TL3: menu_B=modulo(++menu_B,6);break;
}
printf(lcd_putc,"\rdif=%lu ",dif);
lcd_gotoxy(11,1);
if (log) printf(lcd_putc,"L"); //pokud se loguje, zobraz L
else printf(lcd_putc," ");
if (bkg) printf(lcd_putc,"B"); //pokud jiz je BKG,zobraz B
lcd_gotoxy(14,1);
printf(lcd_putc,"%3u\n",(int8)(MAX_EEPROM-ee_offset)/2); //zbivajici misto v ee
switch (menu_B)
{
case 0: printf(lcd_putc,"n=%lu",gmcount);break;
case 1: printf(lcd_putc,"min=%Lu",min);break;
case 2: printf(lcd_putc,"max=%lu",max);break;
case 3: printf(lcd_putc,"avg=%lu",avg);break;
case 4: printf(lcd_putc,"bkg=%lu",bkg);break;
case 5: printf(lcd_putc,"ontime=%lu:%02d ",mincount,sTIK);break;
}
}
void send_data() //posle data z ee na rs232 9600 8N1
{
int8 i;
int16 data;
int8 *adr;
for (i=2;i<ee_offset;i)
{
adr=&data;
*adr=read_eeprom(i++);
if (bit_test(*adr,7)) //test, zda se nejedna o hlavicku v ee
{
bit_clear(*adr,7);
printf("\r\n%d:",*adr);
*adr=read_eeprom(i++);
printf("%02d ",(0x3f&*adr));
adr++;*adr=read_eeprom(i++);
printf("%d/",*adr);
*adr=read_eeprom(i++);
printf("%02d/",*adr&0x0f);
*adr=(*adr>>4)+7;
printf("%02d ",*adr);
adr--;
if (bit_test(*adr,7)) printf("1min");
else {*adr=LOG_PERIOD;printf("%umin",*adr);}
}
else{
data=data<<8;
*adr=read_eeprom(i++);
printf("\r\n%lu",data);
}
}
}
void display(int8 key) //zobrazeni na LCD - zakladni menu
{
int8 mon,year; //pomocne promenne
if (key) clear_lcd();
keyp=0;
refresh=false;
if (menu_A>1) { //zmena pri stisku tl spolecna pro vetsinu menu_A
if (key==TL3) {menu_A++;if (menu_A>11) menu_A=2;} //TL3 pak rolluj v menu_A
if ( ( menu_A != 10 ) && ( menu_A != 6 ) && (menu_A != 11) )
{
if (key==TL1)
{
if (counters) menu_A=1;
else menu_A=0;
key=0;
}
else printf(lcd_putc,"\r\nesc cr roll\r");
}
}
switch (menu_A) //hlavni menu
{
case 0: min=0xffff; //zakladni menu po resetu, nastaveni promennych
max=gmcount=gmcount_sm=gmcount_p=timer_s=timer_n=mincount=dif=avg=bkg=0;
vypocet=sleep=counters=log=echo_switch=false;
test_batt = true;
log_switch=read_eeprom(EE_LOG_SWITCH);
ee_offset=read_eeprom(EE_LOG_OFFSET);
output_high(HV_ENABLE);
printf(lcd_putc,"\r%d:%02d %d.%d.%02d \nmenu off start",hRTC,mRTC,dRTC,mdRTC,yRTC);
switch (key)
{
case TL1: menu_A=2;break;
case TL2: menu_A=menu_B=0;sleep=true;break;
case TL3: menu_A=1;menu_B=0;
output_low(HV_ENABLE);
printf(lcd_putc,"\fSTART HV 400V");
delay_ms(2000);
counters=true;
break;
}
if (key) {refresh=true;clear_lcd();}
break;
case 1: menu_proces(key);break; //skok na menu zobrazujici vypoctene a nacitane promenne
case 3: if (key==TL2) {log_switch=modulo(++log_switch,3);write_eeprom(EE_LOG_SWITCH,log_switch);log=false;}
switch (log_switch)
{
case 0: printf(lcd_putc,"log \176 rs232");break;
case 1: printf(lcd_putc,"log \176 eeprom 1m");break;
case 2: mon=LOG_PERIOD;printf(lcd_putc,"log \176 eeprom %um",mon);break;
//case 3: printf(lcd_putc,"log \176 off ");break;
}
break;
case 9: printf(lcd_putc,"OFF (stand by)");
if (key==TL2) {menu_A=menu_B=0;sleep=true;output_high(HV_ENABLE);}
break;
case 8: if (key==TL2) if (echo_switch) echo_switch=0;else echo_switch=1;
if (echo_switch) printf(lcd_putc,"echo on");
else printf(lcd_putc,"echo off");
break;
case 4: if (key==TL2) send_data();
printf(lcd_putc,"send log \176 rs232");
break;
case 5: if (key==TL2) {log=false;ee_offset=2;write_eeprom(EE_LOG_OFFSET,2);}
printf(lcd_putc,"erase eeprom %3u",(int8)(MAX_EEPROM-ee_offset)/2);
break;
case 2: printf(lcd_putc,"STOP & clear");
if (key==TL2) {menu_A=0;menu_B=0;refresh=true;}
break;
case 7: printf(lcd_putc,"batterie ");
//if (!input(CHARGE)) {printf(lcd_putc,"charge");break;}
if ( key == TL2 || counters )
{
if ( !counters ) {output_low(HV_ENABLE);delay_ms(30);}
analog = (float) (read_adc());
analog = 1024/analog*1.5 + 0.18;
if ( !counters ) output_float(HV_ENABLE);
printf(lcd_putc,"%1.2fV",analog);
}
break;
case 6: if (key == TL2) {pwm++;if (pwm > 10) pwm --;}
if (key == TL1) {pwm--;if (pwm < 2) pwm ++;}
set_pwm1_duty(pwm);
printf(lcd_putc,"contrast: %d\n - + roll",pwm);
break;
case 10: if (key==TL2) {set_timer1(0);sRTC=0;mRTC=modulo(++mRTC,60);}
if (key==TL1) hRTC=modulo(++hRTC,24);
printf(lcd_putc,"\rtime %2d:%02d\nhod min roll",hRTC,mRTC);
break;
case 11: if (key==TL1) {mon=mdRTC;year=yRTC;set_date();mdRTC=mon;year=yRTC;}
if (key==TL2) {mon=dRTC;year=yRTC;dRTC=32;set_date();year=yRTC;}
if (key==0x30) {mon=mdRTC;yRTC++;dRTC--;set_date();}
printf(lcd_putc,"\rdate %2d.%02d.%02d\nday mon roll",dRTC,mdRTC,yRTC);
break;
}
}
void counters_fce()
{
int8 *adr;
if (vypocet) //1x za minutu se provede vypocet a log
{
dif=gmcount_sm-gmcount_p;
gmcount_p=gmcount_sm;
avg=gmcount_sm/mincount;
if (dif>max) max=dif;
if (dif<min) min=dif;
if (mincount==5) bkg=gmcount_sm/5;
vypocet=false;
refresh=true;
if (log)
{
//if (log_switch && (ee_offset>(MAX_EEPROM-2))) {log=false;return;}
switch (log_switch)
{
case 0: printf("\n\r%d:%02d %2d/%02d/%02d dif=%lu",hRTC,mRTC,dRTC,mdRTC,yRTC,dif);break;
case 2: if (log_interval) break;
case 1: adr=&dif;adr++;bit_clear(*adr,7);
write_eeprom(ee_offset++,*adr);
write_eeprom(ee_offset++,*(--adr));
write_eeprom(EE_LOG_OFFSET,ee_offset);
if (ee_offset > (MAX_EEPROM-2)) log=false;
break;
}
log_interval=modulo(++log_interval,LOG_PERIOD);
}
}
}
void echo_fce()
{
int8 a,c;
int16 b;
if (!echo_tik || !counters) return;
//if (echo_switch==2) {echo_switch=1;echo_cycle=ECHO_MAX_CYCLE/echo_tik;echo_timer=0;}
if (echo_tik == 1)
{
for (a=0;a<2;a++) {output_high(ECHO_PIN1);delay_us(160);output_low(ECHO_PIN1);delay_us(160);}
echo_tik=0;
}
else /*if ((echo_timer == echo_cycle) || (!echo_timer))*/
{
echo_switch=1;
c=echo_tik;
if (echo_tik <40) {a=40/c;b=0;}
if ((echo_tik >=40) && (echo_tik < 60)) {a=0;b=40000/c;}
if (echo_tik >=60) {a=0;b=160;}
while (echo_tik && (echo_switch==1) && !kbd_press())
{
echo_timer=0;
output_high(ECHO_PIN1);
delay_us(160);
output_low(ECHO_PIN1);
piezo=~piezo;
delay_us(b);
delay_ms(a);
}
//output_bit(ECHO_PIN2,piezo);
}
echo_timer++;
}
void pin_set_sleep()
{
#use fast_IO(A)
set_tris_A(0x15);
output_A(0x2a);
#use standard_IO(A)
#use fast_IO(B)
set_tris_B(0x70);
output_B(0x8f);
#use standard_IO(B)
#use fast_IO(C)
set_tris_C(0x2);
output_C(0x84);
#use standard_IO(C)
}
void sleep_fce()
{
/*if (!input(CHARGE)) // pokud se nabiji, pak nespi
{
printf(lcd_putc,"\fcharged batt");
tik_to_sleep = 0;
while (!tik_to_sleep) if (input(CHARGE)) return;
kbd_getc();
sleep = false;
}
else */
{
//setup_timer_0(RTCC_DIV_1|RTCC_INTERNAL);
//setup_timer_1(T1_DISABLED);
//setup_timer_2(T2_DIV_BY_16,249,10);
counters=false;
printf(lcd_putc,"\fchrrr");
delay_ms(1000);
setup_adc_ports(ADC_OFF);
setup_ccp1(CCP_OFF);
//SET_TRIS_A(0xFF);
//SET_TRIS_B(0xFF);
//SET_TRIS_C(0xFF);
pin_set_sleep();
do {sleep();delay_cycles(1);} while ( kbd_state!=0x20 /*&& input(CHARGE)*/ );
#use fast_IO(B)
set_tris_B(0x70);
output_B(0);
#use standard_IO(B)
setup_adc_ports(AN0);
setup_adc(ADC_CLOCK_DIV_16);
set_adc_channel(0);
//setup_timer_0(RTCC_DIV_1|RTCC_EXT_L_TO_H);
//setup_timer_2(T2_DIV_BY_16,249,10);
//setup_ccp1(CCP_PWM);
menu_A=menu_B=0;
setup_ccp1(CCP_PWM);
set_PWM1_duty(pwm);
delay_ms(200);
output_low(LCD_ENABLE);
output_high(HV_ENABLE);
lcd_init();
//printf(lcd_putc,"\fhello");
delay_ms(1000);kbd_getc();
keyp=0;
sleep=false;
refresh=true;
}
}
void main()
{
setup_adc_ports(AN0);
setup_adc(ADC_CLOCK_DIV_16);
set_adc_channel(0);
setup_timer_0(RTCC_DIV_1|RTCC_EXT_L_TO_H);
setup_timer_1(T1_EXTERNAL|T1_DIV_BY_8|T1_CLK_OUT);
setup_timer_2(T2_DIV_BY_16,249,10);
setup_ccp1(CCP_PWM);
set_PWM1_duty(0x5);
enable_interrupts(INT_TIMER2);
enable_interrupts(INT_RB);
enable_interrupts(INT_TIMER1);
enable_interrupts(GLOBAL);
output_low(LCD_ENABLE);
KBD_init();
LCD_init();
pwm=5;
sRTC=0;
mRTC=0;
hRTC=0;
dRTC=18;
mdRTC=10;
yRTC=07;
menu_A=menu_B=0;
refresh=true;
keyp=0;
while (TRUE)
{
if (refresh) display(keyp); //povoleni zobrazeni(menu + fce tlacitek)
if (counters) { tik_to_sleep = TIME_TO_SLEEP;counters_fce();} //povoleni citacu,vypoctu a logovani
else if (! tik_to_sleep) sleep = true; //necita a zadny stisk tlacitek do TIME_TO_SLEEP pak sleep
if (echo_switch) echo_fce();
if (kbd_press()) //test stisku tlacitek,repeat, delay
{
if (!save_key) {save_key=kbd_getc();keyp=save_key;refresh=true;key_timer=KEYDELAY;} //delay key
if (!key_timer) {refresh=true;keyp=save_key;key_timer=KEYREPEAT;} //repeat key
}
else key_timer=save_key=keyp=0;
//echo (piezo)
if (test_batt && counters) //test napeti baterie
{
if (read_adc() > BATT_ENABLE)
{
printf(lcd_putc,"\flow batt");
delay_ms(2000);
sleep = true;
}
test_batt=false;
}
if (sleep) sleep_fce(); //sleep
//if (!timertest) {timertest=30;output_bit(PIN_C3,test);test=~test;}
//timertest--;
}
}