| 0,0 → 1,185 |
|---|
| #include "reflow.h" |
| #include <math.h> |
| |
| // nastaveni teplot a casu |
| #define TEPLOTA_PREDEHREVU 120 |
| #define DOBA_PREDEHREVU 60 |
| |
| #define TEPLOTA_VRCHOLU 210 |
| #define DOBA_VRCHOLU 5 |
| |
| // CPU IO rozhrani |
| #define LCD_RS PIN_C1 // rizeni registru LCD displeje |
| #define LCD_E PIN_C2 // enable LCD displeje |
| #define LCD_DATA_LSB PIN_D0 // data LCD |
| #include "lcd.c" |
| |
| #define TL1 PIN_B3 // tlacitko S1 |
| #define TL2 PIN_B2 // tlacitko S2 |
| #define TL3 PIN_B1 // tlacitko S3 |
| #define TL4 PIN_B0 // tlacitko S4 |
| |
| #define POWER_T4 PIN_A5 // ovladani optotriaku T4 |
| #define POWER_T5 PIN_A4 // ovladani optotriaku T5 |
| |
| #define ADC_PIN PIN_A0 //info, nelze menit - pin pouzit jako input analog |
| #define ADC_PIN_NC PIN_A1 //info, nelze menit - pin pouzit jako input analog |
| #define REF_PIN PIN_A3 //info, nelze menit - pin pouzit jako input reference 2.5V |
| |
| // interni |
| #define PowerOn() output_low(POWER_T4);output_low(POWER_T5) |
| #define PowerOff() output_high(POWER_T4);output_high(POWER_T5) |
| |
| // globalni promenne |
| struct time |
| { |
| volatile unsigned int8 hod; |
| volatile unsigned int8 min; |
| volatile unsigned int8 sec; |
| }cas; |
| |
| // funkce |
| void GeneralCpuInit() |
| { |
| output_high(POWER_T4); |
| output_high(POWER_T5); |
| port_b_pullups(true); |
| |
| setup_psp(PSP_DISABLED); |
| setup_spi(SPI_SS_DISABLED); |
| |
| setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1); //nepouzit |
| setup_timer_1(T1_DISABLED); //nepouzit |
| setup_timer_2(T2_DIV_BY_16,249,10); //rtc 40ms |
| |
| setup_comparator(NC_NC_NC_NC); |
| setup_vref(FALSE); |
| |
| enable_interrupts(GLOBAL); |
| enable_interrupts(INT_TIMER2); |
| |
| setup_adc_ports(AN0_AN1_VSS_VREF); //A0 vstup cidla, A1 nepozit, A3 - ref. 2.5V |
| setup_adc(ADC_CLOCK_DIV_8); |
| SET_ADC_CHANNEL(0); //AN0, PIN_A0 |
| } |
| |
| unsigned int16 adc(void) |
| { |
| unsigned int16 analog; |
| unsigned int8 a; |
| |
| analog = 0; |
| for (a=0;a<32;a++) |
| { |
| analog += read_adc(); |
| delay_us(50); |
| } |
| return (analog >> 5 ); // prumer = analog/32 |
| } |
| |
| int16 teplota(void) |
| { |
| float32 Rpt; |
| float32 Tpt; |
| |
| Rpt = 1.0*adc()*2350.0/1024.0; //zapojeni OZ -> R=U/Iconst |
| |
| #define A 3.90802e-3 |
| #define B -5.802e-7 |
| |
| Tpt = (-A + sqrt(A*A - 4*B*(1.0 - Rpt/1000.0)))/2.0/B; |
| |
| return (unsigned int16)Tpt; |
| } |
| |
| void baterie(void) |
| { |
| static int8 stav=0; |
| switch (stav) |
| { |
| case 0: stav++; |
| lcd_define_char(0,LCD_CHAR_BAT0); |
| break; |
| case 1: stav++; |
| lcd_define_char(0,LCD_CHAR_BAT20); |
| break; |
| case 2: stav++; |
| lcd_define_char(0,LCD_CHAR_BAT40); |
| PowerOff(); |
| break; |
| case 3: stav++; |
| lcd_define_char(0,LCD_CHAR_BAT60); |
| break; |
| case 4: stav++; |
| lcd_define_char(0,LCD_CHAR_BAT80); |
| break; |
| case 5: stav=0; |
| lcd_define_char(0,LCD_CHAR_BAT100); |
| PowerOn(); |
| break; |
| default: stav=0; |
| } |
| } |
| |
| #int_TIMER2 |
| void Rtc(void) //40ms |
| { |
| static unsigned int8 ms40=0; |
| struct time* time; |
| |
| time=&cas; |
| if ( ++ms40 < 25) return; |
| |
| ms40=0; |
| if (++(time->sec) >= 60) |
| { |
| time->sec=0; //1min |
| if (++(time->min) >= 60) |
| { |
| time->min = 0; //1hod |
| (time->hod)++; |
| } |
| } |
| } |
| |
| void nullcas(struct time* time) |
| { |
| disable_interrupts(INT_TIMER2); |
| |
| time->sec=0; |
| time->hod=0; |
| time->min=0; |
| |
| enable_interrupts(INT_TIMER2); |
| } |
| |
| // start |
| void main() |
| { |
| int8 tmp; |
| |
| GeneralCpuInit(); |
| |
| PowerOff(); |
| |
| lcd_init(); |
| lcd_define_char(1,LCD_CHAR_STUPEN); |
| |
| printf(lcd_putc,"\fbatt: \20"); |
| |
| nullcas(&cas); |
| |
| for (;;){ |
| delay_ms(300); |
| |
| if (cas.sec != tmp){ |
| tmp=cas.sec; |
| lcd_gotoxy(9,1); |
| printf(lcd_putc,"%2u:%02u:%02u",cas.hod,cas.min,cas.sec); |
| } |
| |
| baterie(); |
| lcd_gotoxy(1,2); |
| printf(lcd_putc,"teplota: %ld\21C ",teplota()); |
| } |
| } |