با سلام
برنامه راه اندازی سنسور sht75 رو با کدویژن و سون سگمنت رو نوشتم ولی هر کار میکنم پرش اعداد روی سون سگمنت خیلی زیاده ؟
راه حلش چیه و چه جوری بنویسم؟ ممنون
این قسمت نمایش دما
برنامه راه اندازی سنسور sht75 رو با کدویژن و سون سگمنت رو نوشتم ولی هر کار میکنم پرش اعداد روی سون سگمنت خیلی زیاده ؟
راه حلش چیه و چه جوری بنویسم؟ ممنون
این قسمت نمایش دما
کد:
b=a%10;
c=a/10;
c=c%10;
d=a/100;
d=d%10;
e=a/1000;
PORTC.0=1;
PORTD=seg[e];
delay_ms(10);
PORTC.0=0;
PORTC.1=1;
PORTD=seg[d];
delay_ms(10);
PORTC.1=0;
PORTC.2=1;
PORTD=seg[c];
delay_ms(10);
PORTC.2=0;
PORTC.3=1;
PORTD=seg[b];
delay_ms(10);
PORTC.3=0;
delay_ms(1);
این تمام برنامه
#include <mega16.h>
#include <stdio.h>
#include <delay.h>
#include <math.h>
#include <stdlib.h>
/*
#asm
.equ __lcd_port=0x12
#endasm
#include <lcd.h>
*/
typedef union
{ unsigned int i; float f;} value;
int a;
int b=0;
int c=0;
int d=0;
int e=0;
//float f,g,h,ff,gg,hh;
char seg[10]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10};
enum {TEMP,HUMI};
sfrb PINB = 0x16;
sfrb PORTB = 0x18;
sfrb DDRB = 0x17;
#define SHT_DATA_OUT DDRB.0
#define SHT_DATA_IN PINB.0
#define SHT_SCK PORTB.1
#define noACK 0
#define ACK 1
//adr command r/w
#define STATUS_REG_W 0x06 //000 0011 0
#define STATUS_REG_R 0x07 //000 0011 1
#define MEASURE_TEMP 0x03 //000 0001 1
#define MEASURE_HUMI 0x05 //000 0010 1
#define RESET 0x1e //000 1111 0
char str_hum_temp[100];
/*
const float C1=-4.0; // for 12 Bit
const float C2=+0.0405; // for 12 Bit
const float C3=-0.0000028; // for 12 Bit
const float T1=+0.01; // for 14 Bit @ 5V
const float T2=+0.00008; // for 14 Bit @ 5V
*/
float C1=-4.0; // for 12 Bit
float C2=+0.0405; // for 12 Bit
float C3=-0.0000028; // for 12 Bit
float T1=+0.01; // for 14 Bit @ 5V
float T2=+0.00008; // for 14 Bit @ 5V
char v;
float dew_point;
//SHT Functions
char SHT_WriteByte(unsigned char value);
char SHT_ReadByte(unsigned char ack);
void s_transstart(void);
void s_connectionreset(void);
//void setting(void);
char s_softreset(void);
char s_measure(unsigned char *p_value, unsigned char *p_checksum, unsigned char mode);
void calc_sth11(float *p_humidity ,float *p_temperature);
float calc_dewpoint(float h,float t);
//void set(void);
/*
unsigned char key=16,uch_TempTime_Number=0;
int intTemp1=0,intTime1=0,intTemp2=0,intTime2=0,intTemp3=0,intTime3=0;
int intTemp4=0,intTime4=0,intTemp5=0,intTime5=0,intTemp6=0,intTime6=0;
*/
value humi_val, temp_val;
void print_temp_humy (void)
{
//int a;
//int b=0;
//int c=0;
//int d=0;
//int e=0;
//float f,g,h,ff,gg,hh;
//char seg[10]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10};
unsigned char error, checksum;// status;
a=humi_val.f*100;
error=0;
error+=s_measure((unsigned char*) &humi_val.i,&checksum,HUMI);
error+=s_measure((unsigned char*) &temp_val.i,&checksum,TEMP);
if(error!=0) s_connectionreset();
else{
humi_val.f=(float)humi_val.i; //converts integer to float
temp_val.f=(float)temp_val.i; //converts integer to float
calc_sth11(&humi_val.f,&temp_val.f); //calculate humidity, temperature
dew_point=calc_dewpoint(humi_val.f,temp_val.f); //calculate dew point
}
#asm("wdr");
b=a%10;
c=a/10;
c=c%10;
d=a/100;
d=d%10;
e=a/1000;
PORTC.0=1;
PORTD=seg[e];
delay_ms(10);
PORTC.0=0;
PORTC.1=1;
PORTD=seg[d];
delay_ms(10);
PORTC.1=0;
PORTC.2=1;
PORTD=seg[c];
delay_ms(10);
PORTC.2=0;
PORTC.3=1;
PORTD=seg[b];
delay_ms(10);
PORTC.3=0;
delay_ms(1);
#asm("wdr");
if(temp_val.f>limit_temp)
{
delay_ms(300);
PORTA.6=1;
PORTA.4=1;
}
if(humi_val.f>limit_humi)
{
PORTA.7=1;
PORTA.5=1;
}
//********//**
if(temp_val.f<limit_temp-0.3)
{
PORTA.6=0;
PORTA.4=0;
}
if(humi_val.f<limit_humi-1)
{
PORTA.7=0;
PORTA.5=0;
}
}
void main(void)
{
PORTA=0xff;
DDRA=0xf0;
PORTB=32;
DDRB=0x00;
PORTC=0x00;
DDRC=0xFF;
PORTD=0x00;
DDRD=0xFF;
TCCR0=0x00;
TCNT0=0x00;
TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
ASSR=0x08;
TCCR2=0x05;
TCNT2=0x00;
OCR2=0x00;
//GIMSK=0x00;
MCUCR=0x00;
TIMSK=0x40;
ACSR=0x80;
// Setup Sensibus Pins
PORTB.1 = 0; // ClockLow
DDRB.1 = 1; // SCK is an output
PORTB.0 = 0; // Always Zero
// Toggle DDRB.0 for Data
// LCD module initialization
//lcd_init(16);
//Start:
WDTCR=0x1E;
WDTCR=0x0E;
s_softreset();
print_temp_humy();
while (1)
{
/*
b=a%10;
c=a/10;
c=c%10;
d=a/100;
d=d%10;
e=a/1000;
PORTC.0=1;
PORTD=seg[e];
delay_ms(4);
PORTC.0=0;
PORTC.1=1;
PORTD=seg[d];
delay_ms(4);
PORTC.1=0;
PORTC.2=1;
PORTD=seg[c];
delay_ms(4);
PORTC.2=0;
PORTC.3=1;
PORTD=seg[b];
delay_ms(4);
PORTC.3=0;
delay_ms(4);
*/
if(PINB.5==0){
delay_ms(200);
// setting();
}
else{
delay_ms(500);
#asm("wdr");
print_temp_humy();
s_softreset();
}
}
}
char SHT_WriteByte(unsigned char value)
{
unsigned char i,error=0;
for (i=0x80;i>0;i/=2)
{
if (i & value) SHT_DATA_OUT=0;
else SHT_DATA_OUT=1;
SHT_SCK=1;
delay_us(5); //pulswith approx. 5 us
SHT_SCK=0;
}
SHT_DATA_OUT=0; //release DATA-line
SHT_SCK=1; //clk #9 for ack
error=SHT_DATA_IN; //check ack (DATA will be pulled down by SHT11)
SHT_SCK=0;
return error;
#asm("wdr"); //error=1 in case of no acknowledge
}
//----------------------------------------------------------------------------------
// baca byte dari SHT, dan berikan ACK
//----------------------------------------------------------------------------------
char SHT_ReadByte(unsigned char ack)
{
unsigned char i,val=0;
SHT_DATA_OUT=0; //release DATA-line
for (i=0x80;i>0;i/=2)
{
SHT_SCK=1;
if (SHT_DATA_IN) val=(val | i); //read bit
SHT_SCK=0;
}
SHT_DATA_OUT=ack; //in case of "ack==1" pull down DATA-Line
SHT_SCK=1; //clk #9 for ack
delay_us(5); //pulswith approx. 5 us
SHT_SCK=0;
SHT_DATA_OUT=0; //release DATA-line
return val;
#asm("wdr");
}
//----------------------------------------------------------------------------------
// kondisi start
// _____ ________
// DATA: |_______|
// ___ ___
// SCK : ___| |___| |______
//----------------------------------------------------------------------------------
//----------------------------------------------------------------------------------
// reset koneksi, 9 clock diikuti dengan kondisi start
// _____________________________________________________ ________
// DATA: |_______|
// _ _ _ _ _ _ _ _ _ ___ ___
// SCK : __| |__| |__| |__| |__| |__| |__| |__| |__| |______| |___| |______
//----------------------------------------------------------------------------------
void s_connectionreset(void)
{
unsigned char i;
SHT_DATA_OUT=0; SHT_SCK=0; //Initial state
for(i=0;i<9;i++) //9 SCK cycles
{
SHT_SCK=1;
delay_us(4);
SHT_SCK=0;
#asm("wdr");
}
s_transstart(); //transmission start
}
//----------------------------------------------------------------------------------
// reset SHT-nya !!
//----------------------------------------------------------------------------------
char s_softreset(void)
{
unsigned char error=0;
s_connectionreset(); //reset communication
error+=SHT_WriteByte(RESET); //send RESET-command to sensor
return error;
#asm("wdr"); //error=1 in case of no response form the sensor
}
//----------------------------------------------------------------------------------
// pengukuran data
//----------------------------------------------------------------------------------
char s_measure(unsigned char *p_value, unsigned char *p_checksum, unsigned char mode)
{
unsigned error=0;
unsigned int i;
s_transstart(); //transmission start
switch(mode){ //send command to sensor
case TEMP : error+=SHT_WriteByte(MEASURE_TEMP); break;
case HUMI : error+=SHT_WriteByte(MEASURE_HUMI); break;
default : break;
}
#asm("wdr");
for (i=0;i<65535;i++) if(SHT_DATA_IN==0) break; //wait until sensor has finished the measurement
if(SHT_DATA_IN) error+=1; // or timeout (~2 sec.) is reached
*(p_value+1) =SHT_ReadByte(ACK); //read the first byte (MSB)
*(p_value) =SHT_ReadByte(ACK); //read the second byte (LSB)
*p_checksum =SHT_ReadByte(noACK); //read checksum
return error;
}
//----------------------------------------------------------------------------------------
// hitung temperature [°C] and humidity [%RH]
// input : humi [Ticks] (12 bit)
// temp [Ticks] (14 bit)
// output: humi [%RH]
// temp [°C]
//----------------------------------------------------------------------------------------
void calc_sth11(float *p_humidity ,float *p_temperature)
{
//float rh=*p_humidity; // rh: Humidity [Ticks] 12 Bit
//float t=*p_temperature; // t: Temperature [Ticks] 14 Bit
float rh_lin; // rh_lin: Humidity linear
float rh_true; // rh_true: Temperature compensated humidity
float t_C; // t_C : Temperature [°C]
t_C=*p_temperature*0.01 - 40; //calc. temperature from ticks to [°C]
rh_lin=C3*(*p_humidity)*(*p_humidity) + C2*(*p_humidity) + C1; //calc. humidity from ticks to [%RH]
rh_true=(t_C-25)*(T1+T2*(*p_humidity))+rh_lin; //calc. temperature compensated humidity [%RH]
if(rh_true>100)rh_true=100; //cut if the value is outside of
if(rh_true<0.1)rh_true=0.1; //the physical possible range
*p_temperature=t_C; //return temperature [°C]
*p_humidity=rh_true; //return humidity[%RH]
#asm("wdr");
}
//--------------------------------------------------------------------
// calculates dew point
// input: humidity [%RH], temperature [°C]
// output: dew point [°C]
//--------------------------------------------------------------------
float calc_dewpoint(float h,float t)
{
float logEx,dew_point;
logEx=0.66077+7.5*t/(237.3+t)+(log10(h)-2);
dew_point = (logEx - 0.66077)*237.3/(0.66077+7.5-logEx);
return dew_point;
#asm("wdr");
}
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