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kakl |
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//******** Mrakomer ********** |
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#define VERSION "2.0" |
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kakl |
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#define ID "$Id: irmrak.c 418 2006-12-29 19:37:29Z kakl $" |
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kakl |
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//**************************** |
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#include "irmrak.h" |
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#include <string.h> |
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#use rs232(baud=9600,parity=N,xmit=PIN_A6,bits=8) |
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#define TXo PIN_A3 // To the transmitter modulator |
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#include "AX25.c" // Podprogram pro prenos telemetrie |
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char AXstring[50]; // Buffer pro prenos telemetrie |
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char G[5]; |
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char S45[5]; |
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char S90[5]; |
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char S135[5]; |
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char VER[4]=VERSION; |
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#define TRESHOLD 8 // nebo 9 |
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// nad_diodou=H je + teplota |
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// pod_diodou=L je - teplota |
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#define MINUS !C1OUT // je kladny impuls z IR teplomeru |
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#define PLUS C2OUT // je zaporny impuls z IR teplomeru |
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#define HALL PIN_A4 // Hallova sonda pro zjisteni natoceni dolu |
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// topeni je na RB3 (vystup PWM) |
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#define MAX_TEMP 10000 |
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int port; // stav brany B pro krokove motory |
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int j; // pro synchronisaci fazi |
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unsigned int16 n, prodleva; // pocitadlo prodlevy mezi merenimi |
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unsigned int16 nn; // pocitadlo mereni |
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unsigned int8 topit; // na jaky vykon se ma topit? |
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unsigned int16 teplota; // prectena teplota |
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int1 sign; // nad nulou / pod nulou |
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void krok(int n) |
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{ |
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while((n--)>0) |
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{ |
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if (1==(j&1)) {port^=0b11000000;} else {port^=0b00110000;}; |
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output_B(port); |
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delay_ms(40); |
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j++; |
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} |
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} |
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void dolu() |
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{ |
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unsigned int8 err; // pocitadlo pro zjisteni zaseknuti otaceni |
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err=0; |
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while(!input(HALL)) // otoceni trubky dolu az na hall |
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{ |
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krok(1); |
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err++; |
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if(40==err) // do 40-ti kroku by se melo podarit otocit dolu |
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{ |
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output_B(0); // vypnuti motoru |
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sprintf(AXstring,"Error movement."); |
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SendPacket(&AXstring[0]); |
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printf("%s\n\r", AXstring); |
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err=0; |
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} |
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}; |
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delay_ms(700); // cas na ustaleni trubky |
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output_B(0); // vypnuti motoru |
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} |
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void prevod() |
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{ |
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unsigned int16 t; // cas |
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unsigned int16 tt; |
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t=0; |
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while(!PLUS && !MINUS) |
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{ |
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t++; |
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if(t>65000) |
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{ |
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sprintf(AXstring,"Error thermometer."); |
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SendPacket(&AXstring[0]); |
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printf("%s\n\r", AXstring); |
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teplota=0; |
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sign=true; |
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return; |
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} |
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}; // ceka se na 0 |
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teplota=0; |
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sign=false; |
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for(t=0;t<=MAX_TEMP;t++) |
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{ |
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if(PLUS || MINUS) // ceka se na + nebo - |
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{ |
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if(MINUS) sign=true; |
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for(tt=1;tt<=MAX_TEMP;tt++) |
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{ |
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if(!PLUS && !MINUS) {teplota=tt; break;}; // ceka se na 0 |
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} |
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break; |
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} |
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} |
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teplota=teplota*19/100; // 1 stupen celsia je asi 10us |
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} |
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void main() |
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{ |
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unsigned int8 ble; |
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setup_oscillator(OSC_4MHZ|OSC_INTRC); // 4 MHz interni RC oscilator |
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setup_adc_ports(NO_ANALOGS|VSS_VDD); |
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setup_adc(ADC_OFF); |
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setup_spi(FALSE); |
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setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1); // Casovac pro PWM |
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setup_timer_1(T1_DISABLED); |
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setup_ccp1(CCP_OFF); |
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setup_comparator(A0_VR_A1_VR); // inicializace komparatoru |
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setup_vref(VREF_HIGH|TRESHOLD); // 32 kroku od 0.25 do 0.75 Vdd |
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// nastav PWM pro topeni |
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set_pwm1_duty(0); // Spust PWM, ale zatim s trvalou 0 na vystupu |
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setup_ccp1(CCP_PWM); |
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setup_timer_2(T2_DIV_BY_16,100,1); // perioda |
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output_B(0); // vypnuti motoru |
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sprintf(AXstring,"Mrakomer V%s (C) 2006 KAKL", VER); |
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SendPacket(&AXstring[0]); |
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printf("%s\n\r", AXstring); |
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if(input(HALL)) // pokud na zacatku byla trubka dolu, |
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{ // vysilej pro nastaveni prijimace rychle za sebou 10min |
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for(n=0; n<(10*60); n++) |
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{ |
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prevod(); |
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if(sign) |
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sprintf(AXstring,"Kalibrace: n %Lu, t -%Lu", n, teplota); |
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else |
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sprintf(AXstring,"Kalibrace: n %Lu, t %Lu", n, teplota); |
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delay_ms(1000); // 1s |
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SendPacket(&AXstring[0]); |
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printf("%s\n\r", AXstring); |
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if(!input(HALL)) break; // pokud nekdo hne trubkou, zacni merit |
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} |
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} |
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port=0b01010000; // vychozi nastaveni fazi pro rizeni motoru |
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j=0; // smer dolu |
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dolu(); // otoc trubku do vychozi pozice dolu |
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nn=0; // pocitadlo packetu |
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while(true) |
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{ |
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set_tris_B(0b00000111); // faze a topeni jako vystup |
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set_pwm1_duty(0); // netopit |
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port=0b01010000; // vychozi nastaveni fazi pro rizeni motoru |
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j=1; // smer, nahoru |
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delay_ms(1000); // pockej pro ustaleni napeti po vypnuti topeni |
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prevod(); // jeden prevod na prazdno pro synchnonisaci |
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prevod(); // zem |
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if(sign) |
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{ |
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sprintf(G,"-%Lu", teplota); |
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topit=10; |
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if (teplota>5) topit=20; |
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if (teplota>10) topit=50; |
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if (teplota>20) topit=80; |
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if (teplota>30) topit=100; |
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} |
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else |
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{ |
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sprintf(G,"%Lu", teplota); |
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topit=0; |
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} |
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krok(2); // sjeti z koncaku |
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delay_ms(1000); |
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krok(17); // 45 stupnu |
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delay_ms(200); |
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prevod(); |
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if(sign) |
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sprintf(S45,"-%Lu", teplota); |
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else |
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sprintf(S45,"%Lu", teplota); |
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strcpy(S90,"-"); |
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if (sign && (teplota>29)) |
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{ |
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krok(6); // 90 stupnu |
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delay_ms(300); |
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prevod(); |
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if(sign) |
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sprintf(S90,"-%Lu", teplota); |
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else |
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sprintf(S90,"%Lu", teplota); |
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} |
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strcpy(S135,"-"); |
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if (sign && (teplota>29)) |
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{ |
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krok(6); // 135 stupnu |
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delay_ms(300); |
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prevod(); |
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if(sign) |
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sprintf(S135,"-%Lu", teplota); |
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else |
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sprintf(S135,"%Lu", teplota); |
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} |
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j++; // reverz |
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dolu(); // znovu otoc trubku dolu do vychozi pozice |
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// odeslani vysledku mereni |
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sprintf(AXstring, |
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"n %Lu;G %s;S45 %s;S90 %s;S135 %s", nn, G, S45, S90, S135); |
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SendPacket(&AXstring[0]); |
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printf("%s\n\r", AXstring); |
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if (sign && (teplota>29)) // pauza do dalsiho mereni |
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{ |
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prodleva=60; // 1 min |
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nn++; |
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} |
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else |
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{ |
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prodleva=600; // 10 min pri teplote atmosfery vyzsi jak -30 stupnu |
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nn+=10; |
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} |
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if (nn>9999) nn=0; // pocitadlo mereni modulo 10000 |
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set_pwm1_duty(topit); // spust topeni |
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for(n=prodleva; n>0; n--) // cekej na dalsi mereni |
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{ |
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delay_ms(1000); |
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if (!input(HALL)) // znovuotoceni trubky dolu, kdyby ji vitr otocil |
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{ |
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set_pwm1_duty(0); // zastav topeni, aby byl odber do 1A |
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dolu(); |
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set_pwm1_duty(topit); // spust topeni |
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} |
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} |
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} |
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} |
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