Coding camera

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <termios.h>

int main() {
    // The path to the serial device might be different on your machine
    const char *serial_port_path = "/dev/ttyUSB0";
    double sensor_clock_frequency_hz = ...; // You need to fill in the actual clock frequency here
    double exposure_time_microseconds = 0.33;
    int serial_port;

    // Open the serial port
    serial_port = open(serial_port_path, O_RDWR);

    if (serial_port < 0) {
        fprintf(stderr, "Error opening %s: %s\n", serial_port_path, strerror(errno));
        return EXIT_FAILURE;
    }

    // Configure the serial port
    struct termios tty;
    memset(&tty, 0, sizeof tty);

    // Error Handling
    if (tcgetattr(serial_port, &tty) != 0) {
        fprintf(stderr, "Error %d from tcgetattr: %s\n", errno, strerror(errno));
        return EXIT_FAILURE;
    }

    // Set baud rate to 115200 bps
    cfsetospeed(&tty, B115200);
    cfsetispeed(&tty, B115200);

    // ... (rest of serial port configuration)

    // Save TTY settings
    if (tcsetattr(serial_port, TCSANOW, &tty) != 0) {
        fprintf(stderr, "Error %d from tcsetattr: %s\n", errno, strerror(errno));
        return EXIT_FAILURE;
    }

    // Calculate the number of clock cycles for the desired exposure time
    int clock_cycles = (int)(exposure_time_microseconds * sensor_clock_frequency_hz);

    // Construct and send the command to set the exposure time
    char command[256];
    sprintf(command, "SENS:EXPPER %d\r\n", clock_cycles);
    write(serial_port, command, strlen(command));

    // ... (You would need to implement reading the response here)

    // Send the command to save the SOC settings
    write(serial_port, "SOC:SAVE\r\n", strlen("SOC:SAVE\r\n"));

    // Close the serial port
    close(serial_port);

    return EXIT_SUCCESS;
}