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posted on 2014/05/23 05:15:31 PM CEST
helle,
i need code that can help to understand the ADC with choice of Frequency oscillator and how to chose the coeeficient of Tad by two way pleas:
1-wethout using function Read_ADC()
2-with using function ADC_read
i have tried the two method with different oscillator frequency and using datasheet but it's didn't work and i had problem with Tad and didn't work on simulation
thank you very much
posted on 2014/04/27 07:50:59 PM CEST
Hello to all,
I need on to build a thermo-hygrometer with Sensor AM2321 using the I2C bus with a pic 16f876 using mikroBasic. The datasheet is only in Chinese (?) And trying again and again even though I can not receive data from the sensor. Anyone used it?
Thank you all,
Stefano.
posted on 2014/04/16 05:52:19 PM CEST
In my program I can able to read 3 adc ports simultaneously
but when i read 5 ports simultaneously it does not reads it freezes.in proteous simulation
my code is below............ please help i need it to read 5 ports simultaneously ...
// LCD module connections
sbit LCD_RS at RB4_bit;
sbit LCD_EN at RB5_bit;
sbit LCD_D4 at RB0_bit;
sbit LCD_D5 at RB1_bit;
sbit LCD_D6 at RB2_bit;
sbit LCD_D7 at RB3_bit;
sbit LCD_RS_Direction at TRISB4_bit;
sbit LCD_EN_Direction at TRISB5_bit;
sbit LCD_D4_Direction at TRISB0_bit;
sbit LCD_D5_Direction at TRISB1_bit;
sbit LCD_D6_Direction at TRISB2_bit;
sbit LCD_D7_Direction at TRISB3_bit;
char look(int a)
{
switch(a)
{
case 0:
return '0';
case 1:
return '1';
case 2:
return '2';
case 3:
return '3';
case 4:
return '4';
case 5:
return '5';
case 6:
return '6';
case 7:
return '7';
case 8:
return '8';
case 9:
return '9';
default:
return '.';
}
}
unsigned long int vr,vy,vb;
unsigned long int cr,cy;
//unsigned long int j;
char voltr[] = "000";
char volty[] = "000";
char voltb[] = "000";
char curtr[] = "00";
char curty[] = "00";
void get()
{
vr=adc_read(0);
vy=adc_read(1);
vb=adc_read(2);
cr=adc_read(6);
cy=adc_read(7);
}
// End LCD module connections
void calculate_curr()
{
cr=((cr*4.89)*12);
curtr[0] = look(cr/10000);
curtr[1] = look((cr/1000)%10);
}
void calculate_cury()
{
cy=((cy*4.89)*12);
curty[0] = look(cy/10000);
curty[1] = look((cy/1000)%10);
}
void cal_voltr()
{
vr=((vr*4.89)/20)*2020;
voltr[0] = look((vr/100000));
voltr[1] = look((vr/10000)%10);
voltr[2] = look((vr/1000)%10);
}
void cal_volty()
{
vy=((vy*4.89)/20)*2020;
volty[0] = look((vy/100000));
volty[1] = look((vy/10000)%10);
volty[2] = look((vy/1000)%10);
}
void cal_voltb()
{
vb=((vb*4.89)/20)*2020;
voltb[0] = look((vb/100000));
voltb[1] = look((vb/10000)%10);
voltb[2] = look((vb/1000)%10);
}
void dis_volt1()
{
//Lcd_Out_Cp("THREE PHASE VOLT");
Lcd_Out(1,1,"R");
Lcd_Out(1,2,voltr);
}
void dis_volt2()
{
Lcd_Out(1,7,"Y");
Lcd_Out(1,8,volty);
}
void dis_volt3()
{
Lcd_Out(1,13,"B");
Lcd_Out(1,14,voltb);
}
void dis_cur1()
{
//Lcd_Out(1,1,"CURRENT APMS");
Lcd_Out(2,1,"CR=");
Lcd_Out(2,5,curtr);
}
void dis_cur2()
{
Lcd_Out(2,8,"CY=");
Lcd_Out(2,11,curty);
}
void main()
{
TRISA = 0xFF; // ' set PORTA as input
TRISE = 0x07; // ' set RE0 (AN5), RE0 (AN6) and RE2(AN7) as input //' Turn off comparators
TRISD.f0=0xFF;
TRISD.f1=0xFF;
Lcd_Init();
Lcd_Cmd(_LCD_CURSOR_OFF);
while(1)
{
get();
cal_voltr();
dis_volt1();
cal_volty();
dis_volt2();
cal_voltb();
dis_volt3();
//calculate_curr();
//dis_cur1();
//calculate_cury();
//dis_cur2();
}
}
posted on 2014/02/27 10:52:08 PM CET
compass click example for mikro c pic16f887 or pic18f45k22
posted on 2014/02/24 12:32:14 PM CET
hello,
i want to develop this project with pic18f4550 and MPXV5050GP i facing the problem on programming on i.e. calibrating the sensor so can anyone help me
I used PIN AN0 and AN1 as input signal and LCD pins are connected to D port
