Problem with comparison.
//Designs/Tools/reflow2/SW/reflow.c |
---|
0,0 → 1,162 |
#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_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 |
} |
int16 teplota(void) |
{ |
BYTE CONST TEMP_CALLIBRATION[20] = {0x90,0xb7,0x19,0x15,0x36,0x54,0x50,0xb5,0,0x24}; |
int16 Temp; |
/* 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 Temp; |
} |
#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: %ld\21C ",teplota()); |
} |
} |