#define lcd_rs_pin pin_d1 // Define the pin connected to the RS pin of the LCD
#define lcd_rw_pin pin_d2 // Define the pin connected to the RW pin of the LCD
#define lcd_enable_pin pin_d3 // Define the pin connected to the Enable pin of the LCD
#define lcd_data4 pin_d4 // Define the pin for LCD data line D4
#define lcd_data5 pin_d5 // Define the pin for LCD data line D5
#define lcd_data6 pin_d6 // Define the pin for LCD data line D6
#define lcd_data7 pin_d7 // Define the pin for LCD data line D7
#include <16f877a.h>
#device adc = 10 // Configure ADC to use 10-bit resolution
#use delay (clock = 8M) // Set the microcontroller clock frequency to 8 MHz
#include <lcd.C> // Include the LCD driver library
#include <kbd.C> // Include the keyboard (keypad) driver library
#include <math.h> // Include the math library for advanced calculations
#use RS232 (baud=9600, xmit=pin_c6, rcv=pin_c7) // Configure UART communication
#use rtos (timer=n, minor_cycle=m)
unsigned int16 ...; // Placeholder for a 16-bit unsigned integer variable
int ...; // Placeholder for an integer variable
float ...; // Placeholder for a floating-point variable
char ...; // Placeholder for a character variable
double ...; // Placeholder for a double-precision floating-point
variable
int seg[... , ...] = { {... , ...} , {... , ...} }; // Placeholder for a 2D integer array
initialization
#int_RDA // Interrupt
void RDA() {
k = getc(); // Read a character from the Terminal
printf("\n \r caractere recu : %c", k); // Print the received character in the Terminal
...
}
#int_TIMER0 // Interrupt for Timer 0
void timer0_isr() {
set_timer0(PRC);
if (k++ == 250) {
}
...
}
#task(rate=n, max=m, queue=p)
void any_task () {
rtos_wait(sem); // P (Wait on semaphore 'sem')
... // Critical Section
rtos_signal(sem); // V (Signal the semaphore 'sem')
if (rtos_msg_poll() > 0) { // Check if there are any messages in the task's queue.
rtos_msg_read(); // Read a message from the queue if one is available.
}
rtos_msg_send(reciver_name,message_send); // Send a message to another task
rtos_terminate(); // Terminate the task and retuen to the void main()
}
void main() {
while (1) { // Infinite loop for the main program
// Main code logic here
}
set_tris_a(0xff); // Set Port A as input (0xff = all pins input)
set_tris_b(0x00); // Set Port B as output (0x00 = all pins output)
output_b(0x00); // Initialize Port B to 0
output_low(pin_c0); // Set Pin C0 to low
output_high(pin_c0); // Set Pin C0 to high
output_bit(pin_c1,S1); // Set Pin C1 to S1 value
A = input(pin_d1); // Read input from Pin D1
A = input_d(); // Read all inputs from Port D
delay_ms(...); // Placeholder for a delay in milliseconds
enable_interrupts(int_RDA); // Enable receive interrupt
enable_interrupts(GLOBAL); // Enable global interrupts
setup_timer_0(RTCC_INTERNAL | RTCC_DIV_PRD); // Configure Timer 0 with internal clock
and prescaler
enable_interrupts(int_timer0); // Enable Timer 0 interrupt
enable_interrupts(GLOBAL); // Enable global interrupts again
sem = 1;
rtos_run();
setup_adc(adc_clock_internal); // Configure ADC to use internal clock
setup_adc_ports(an0); // Set AN0 as the ADC input channel
set_adc_channel(0); // Select ADC channel 0
V = read_adc(); // Read the ADC value
V = V * 5.00 / 1024; // Convert ADC value to voltage (assuming a 5V reference)
lcd_init(); // Initialize the LCD
lcd_putc('\f'); // Clear the LCD screen
lcd_putc('\a'); // Set cursor position to upper left
lcd_putc('\b'); // Move the cursor one position back
lcd_putc('\n'); // Move the cursor to the next line
lcd_gotoxy(1,1); // Move the LCD cursor to the first row, first column
printf(lcd_putc, "\f \a \b \n ... %3.2f %d %c", ...); // Print formatted data to the
LCD
kbd_init(); // Initialize the keypad
k = kbd_getc(); // Get a character from the keypad
if (k != 0) { // Check if a key was pressed
switch (k) { // Handle keypad input
case ('0'): ...; break; // Action for '0'
case ('1'): ...; break; // Action for '1'
// Cases for other keys
case ('9'): ...; break; // Action for '9'
}
}
if ( ... == ... ) {} // Example conditional statement
if ( ... <= ... ) {} // Example conditional statement
if ( ... >= ... ) {} // Example conditional statement
if ( ... != ... ) {} // Example conditional statement
if ( ... || ... ) {} // Logical OR condition
if ( ... && ... ) {} // Logical AND condition
int i; // Declare a loop counter
for (i = 0; i < 10; i++) { // Loop from 0 to 9
// Loop body
}
}
// keypad blue : rows : 4, 7, 1, 5 ; columns : 2, 3, 6
// 7 seg : E = 0x79 / F = 0x71 / 0 = 0x3F / 1 = 0x06 / 2 = 0x5B / 3 = 0x4F / 4 = 0x66 /
5 = 0x6D / 6 = 0x7D / 7 = 0x07 / 8 = 0x7F / 9 = 0x6F
