Etepic

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <delay.h> // Include delay library for delay functions
#include <input.h> // Include input library for input functions

#define PHASE_1_DELAY 6.66 // Define the delay for phase 1 in milliseconds
#define RESET_SWITCH PIN_B0 // Define the reset switch input pin

// Functions for initializing and controlling the LCD display
void lcd_init();
void lcd_print(char *str);

// Functions for controlling the 3-phase motor
void set_phase_1();
void set_phase_2();
void set_phase_3();

int main()
{
    // Initialize the LCD display
    lcd_init();

    // Set the initial phase to phase 1
    set_phase_1();

    while (1)
    {
        // Check the reset switch input
        if (input(RESET_SWITCH))
        {
            // Reset the phase sequence
            set_phase_1();
        }

        // Delay for the defined time
        delay_ms(PHASE_1_DELAY);

        // Set the next phase
        set_phase_2();

        // Delay for the defined time
        delay_ms(PHASE_1_DELAY);

        // Set the next phase
        set_phase_3();

        // Delay for the defined time
        delay_ms(PHASE_1_DELAY);

        // Set the next phase (back to phase 1)
        set_phase_1();

        // Check the input on ports R0, E0, and E1
        if (input(PIN_R0) && !input(PIN_E0) && !input(PIN_E1))
        {
            // Phase sequence is correct
            lcd_print("Phase sequence: correct");
        }
        else
        {
            // Phase sequence is incorrect
            lcd_print("Phase sequence: incorrect");
        }
    }

    return 0;
}

void lcd_init()
{
    // Initialize the LCD display
    // ...
}

void lcd_print(char *str)
{
    // Print the given string to the LCD display
    // ...
}

void set_phase_1()
{
    // Set the 3-phase motor to phase 1
    // ...
}

void set_phase_2()
{
    // Set the 3-phase motor to phase 2
    // ...
}

void set_phase_3()
{
    // Set the 3-phase motor to phase 3
    // ...
}

// define constants for R0, E0, and E1
const int R0 = 2;
const int E0 = 3;
const int E1 = 4;

// define constants for LCD pins
const int LCD_RS = 5;
const int LCD_EN = 6;
const int LCD_D4 = 7;
const int LCD_D5 = 8;
const int LCD_D6 = 9;
const int LCD_D7 = 10;

void setup() {
  // initialize LCD
  lcd.begin(16, 2);

  // set pin modes for R0, E0, and E1
  pinMode(R0, INPUT);
  pinMode(E0, INPUT);
  pinMode(E1, INPUT);
}

void loop() {
  // wait for R0 to go high
  while (digitalRead(R0) == LOW) {
    delay(10);
  }

  // introduce a 6.66 millisecond delay
  delay(6.66);

  // check if E0 is high
  if (digitalRead(E0) == HIGH) {
    // introduce another 6.66 millisecond delay
    delay(6.66);

    // check if E1 is high
    if (digitalRead(E1) == HIGH) {
      // correct phase sequence
      lcd.print("Correct phase sequence");
    } else {
      // incorrect phase sequence
      lcd.print("Incorrect phase sequence");
    }
  } else {
    // incorrect phase sequence
    lcd.print("Incorrect phase sequence");
  }

  // check if E0 and E1 are both low
  if (digitalRead(E0) == LOW && digitalRead(E1) == LOW) {
    // phase is missing or disconnected
    lcd.print("Phase missing or disconnected");
  }
}

#include <16F887.h>
#device *=16
#fuses NOWDT, HS, NOPROTECT
#use delay(clock=20000000)
#include <lcd.c>

// define constants for R0, E0, and E1
#define R0 2
#define E0 3
#define E1 4

// define constants for LCD pins
#define LCD_RS 5
#define LCD_EN 6
#define LCD_D4 7
#define LCD_D5 8
#define LCD_D6 9
#define LCD_D7 10

void main()
{
   // initialize LCD
   lcd_init();

   // set pin modes for R0, E0, and E1
   set_tris_b(get_tris_b() | (1<<R0) | (1<<E0) | (1<<E1));

   while(1)
   {
      // wait for R0 to go high
      while (input(R0) == 0)
      {
         delay_ms(10);
      }

      // introduce a 6.66 millisecond delay
      delay_ms(6.66);

      // check if E0 is high
      if (input(E0) == 1)
      {
         // introduce another 6.66 millisecond delay
         delay_ms(6.66);

         // check if E1 is high
         if (input(E1) == 1)
         {
            // correct phase sequence
            printf(lcd_putc, "Correct phase sequence");
         }
         else
         {
            // incorrect phase sequence
            printf(lcd_putc, "Incorrect phase sequence");
         }
      }
      else
      {
         // incorrect phase sequence
         printf(lcd_putc, "Incorrect phase sequence");
      }

      // check if E0 and E1 are both low
      if (input(E0) == 0 && input(E1) == 0)
      {
         // phase is missing or disconnected
         printf(lcd_putc, "Phase missing or disconnected");
      }
   }
}