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consolidate all repos to one for archive

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This commit is contained in:
Nikola Petrov
2025-01-28 13:46:42 +01:00
commit a6610fbc7a
5350 changed files with 2705721 additions and 0 deletions
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16
semester_5/nacrtovanje_racunalniskih_sistemov/naloga_2_1_cli/include/serial.h Normal file
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#pragma once
#include <cstdint>
class serial
{
public:
serial();
~serial();
bool init(const char *path);
int swrite(uint8_t *data, int size);
int sread(uint8_t *data, int size);
int sioctl();
private:
int serial_port = 0;
};

101
semester_5/nacrtovanje_racunalniskih_sistemov/naloga_2_1_cli/main.cpp Normal file
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#include "serial.h"
#include <string>
#include <iostream>
#include <string.h>
void print_man()
{
printf("Commands:\n");
printf(" 0: Exit\n");
printf(" 1: LED_ON\n");
printf(" 2: LED_OFF\n");
printf(" 3: ANIMATE_ON\n");
printf(" 4: ANIMATE_OFF\n");
}
int print_led_num()
{
int led = 1;
printf("Enter LED number [0..7] or 8 for all: ");
std::cin >> led;
while (led > 8)
{
printf("Invalid LED number.\n");
printf("Enter LED number [0..7] or 8 for all: ");
std::cin >> led;
}
led = 1 << led;
if (led == 256)
led--;
return led;
}
int main()
{
serial s;
if (!s.init("/dev/ttyACM0"))
return 1;
uint8_t txbuff[5] = {0xAA, 0x55, 0, 0, 0};
uint8_t rxbuff[4] = {0};
s.swrite(txbuff, 3);
s.sread(rxbuff, sizeof(rxbuff));
int r = *(int *)rxbuff;
if (r != 1)
{
printf("No hand shake\n");
return 1;
}
bool running = true;
int cmd = 0;
int size = 0;
while (running)
{
print_man();
printf("Enter command: ");
std::cin >> cmd;
switch (cmd)
{
case 0:
running = false;
txbuff[2] = 0;
size = 3;
break;
case 1:
txbuff[2] = 2;
txbuff[3] = 1;
txbuff[4] = print_led_num();
size = 5;
break;
case 2:
txbuff[2] = 2;
txbuff[3] = 2;
txbuff[4] = print_led_num();
size = 5;
break;
case 3:
txbuff[2] = 1;
txbuff[3] = 3;
size = 4;
break;
case 4:
txbuff[2] = 1;
txbuff[3] = 4;
size = 4;
break;
default:
break;
}
s.swrite(txbuff, size);
s.sread(rxbuff, sizeof(rxbuff));
r = rxbuff[0];
if (r != 1)
printf("No ack\n");
}
return 0; // success
};

27
semester_5/nacrtovanje_racunalniskih_sistemov/naloga_2_1_cli/makefile Normal file
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CC=g++
CFLAGS= -std=c++23
INCLUDE_DIR= include
SRC_DIR= src
# Get all cpp files from src directory
SRCS := $(wildcard $(SRC_DIR)/*.cpp)
all: main run
main: main.cpp $(SRCS)
$(CC) $(CFLAGS) -o3 -I$(INCLUDE_DIR) $(SRCS) main.cpp -o main
debug: main.cpp $(SRCS)
$(CC) $(CFLAGS) -I$(INCLUDE_DIR) $(SRCS) -g main.cpp -o main
run: main
./main
zip:
zip -r main.zip main.cpp $(INCLUDE_DIR) $(SRC_DIR) makefile
clean:
rm main

97
semester_5/nacrtovanje_racunalniskih_sistemov/naloga_2_1_cli/src/serial.cpp Normal file
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#include "serial.h"
// C library headers
#include <stdio.h>
#include <string.h>
// Linux headers
#include <fcntl.h> // Contains file controls like O_RDWR
#include <errno.h> // Error integer and strerror() function
#include <termios.h> // Contains POSIX terminal control definitions
#include <unistd.h> // write(), read(), close()
#include <sys/ioctl.h>
serial::serial()
{
}
serial::~serial()
{
close(serial_port);
}
bool serial::init(const char *path)
{
// Open the serial port. Change device path as needed (currently set to an standard FTDI USB-UART cable type device)
serial_port = open(path, O_RDWR);
if (serial_port < 0)
{
printf("Error %i from open: %s\n", errno, strerror(errno));
return false;
}
// Create new termios struct, we call it 'tty' for convention
struct termios tty;
// Read in existing settings, and handle any error
if (tcgetattr(serial_port, &tty) != 0)
{
printf("Error %i from tcgetattr: %s\n", errno, strerror(errno));
return false;
}
tty.c_cflag &= ~PARENB; // Clear parity bit, disabling parity (most common)
tty.c_cflag &= ~CSTOPB; // Clear stop field, only one stop bit used in communication (most common)
tty.c_cflag &= ~CSIZE; // Clear all bits that set the data size
tty.c_cflag |= CS8; // 8 bits per byte (most common)
tty.c_cflag &= ~CRTSCTS; // Disable RTS/CTS hardware flow control (most common)
tty.c_cflag |= CREAD | CLOCAL; // Turn on READ & ignore ctrl lines (CLOCAL = 1)
tty.c_lflag &= ~ICANON;
tty.c_lflag &= ~ECHO; // Disable echo
tty.c_lflag &= ~ECHOE; // Disable erasure
tty.c_lflag &= ~ECHONL; // Disable new-line echo
tty.c_lflag &= ~ISIG; // Disable interpretation of INTR, QUIT and SUSP
tty.c_iflag &= ~(IXON | IXOFF | IXANY); // Turn off s/w flow ctrl
tty.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL); // Disable any special handling of received bytes
tty.c_oflag &= ~OPOST; // Prevent special interpretation of output bytes (e.g. newline chars)
tty.c_oflag &= ~ONLCR; // Prevent conversion of newline to carriage return/line feed
// tty.c_oflag &= ~OXTABS; // Prevent conversion of tabs to spaces (NOT PRESENT ON LINUX)
// tty.c_oflag &= ~ONOEOT; // Prevent removal of C-d chars (0x004) in output (NOT PRESENT ON LINUX)
tty.c_cc[VTIME] = 10; // Wait for up to 1s (10 deciseconds), returning as soon as any data is received.
tty.c_cc[VMIN] = 0;
// Set in/out baud rate to be 9600
cfsetispeed(&tty, 48000);
cfsetospeed(&tty, 48000);
// Save tty settings, also checking for error
if (tcsetattr(serial_port, TCSANOW, &tty) != 0)
{
printf("Error %i from tcsetattr: %s\n", errno, strerror(errno));
return false;
}
return true;
// Here we assume we received ASCII data, but you might be sending raw bytes (in that case, don't try and
// print it to the screen like this!)
}
int serial::swrite(uint8_t *data, int size)
{
return write(serial_port, data, size);
}
int serial::sread(uint8_t *data, int size)
{
return read(serial_port, data, size);
}
int serial::sioctl()
{
int bytes;
ioctl(serial_port, FIONREAD, &bytes);
return bytes;
}