Source code for Wind Turbine Generator in Train System

***coding for charging circuit

#include <16F877a.h>  //use pic16f877a

#device adc=10  //use 10bit adc detect bat voltage

#use delay(clock=20000000) //clock speed=20mhz

#fuses hs,noprotect,nowdt  //default setting

#define use_portb_lcd TRUE //use portb for lcd

#include <lcd.c>  //call lcd.c library

//enable port a, b, c, d, e

#byte PORTA=5

#byte PORTB=6

#byte PORTC=7

#byte PORTD=8

#byte PORTE=9

long int adc1;

long int adc2;

int mycount=40;

float mybat, mywind;

void main()

{

   //initialize system

   set_tris_a(0b11111111);

   set_tris_b(0b00000000);

   set_tris_c(0b00000000);

   set_tris_d(0b00000000);

   set_tris_e(0b00000000);

   setup_port_a(ALL_ANALOG);

   setup_adc(ADC_CLOCK_INTERNAL);

   output_low(pin_d2);  //stop charging

  

   output_high(pin_d5); //on green led

   output_high(pin_d4); //on red led

   delay_ms(1000);

   output_low(pin_d5); //off green led

   output_low(pin_d4); //off red led

   lcd_init();

   lcd_putc("\f");

   do

   {

      if(mycount==40)

      {

         mycount=0;

     

         //cutoff charging

         output_low(pin_d2);

         delay_ms(200);

         //read solar volt

         set_adc_channel(0);

         delay_ms(10);

         adc1=read_adc();

         mywind=adc1/65.41;         

         delay_ms(10);

         //read  battery volt

         set_adc_channel(1);

         delay_ms(10);

         adc2=read_adc();

         mybat=adc2/65.41;        

         delay_ms(10);

         //display output

         printf(lcd_putc,"\fB:%.2f W:%.2f ",mybat, mywind);

         if(mybat<12)  //if battery < 12V

         {

            output_low(pin_d5); //off green led

            output_high(pin_d4); //on red led

            output_high(pin_d2);  //charge battery

            printf(lcd_putc,"\nBat Charging    ");

         }

         else   //if battery >= 12V

         {

            output_high(pin_d5); //on green led

            output_low(pin_d4); //off red led

            output_low(pin_d2);  //stop charge battery       

            printf(lcd_putc,"\nBat Not Charging");

         }

      }

      else

      {

         mycount=mycount+1;   //increase counter

      }

      delay_ms(250);

   }while(1);

}