Problem with comparison.
/Designs/Tools/reflow2/SW/reflow.c
0,0 → 1,144
#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_T3 PIN_A6 // ovladani optotriaku T3
#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
}
 
float teplota(void)
{
return (0.674201*adc() - 294.35);
}
 
 
#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);
nullcas(&cas);
while(true)
{
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);
}
lcd_gotoxy(1,2);
printf(lcd_putc,"teplota: %3.1f\21C ",teplota());
}
}