sys_info.c

#include <ncurses.h> //TUI


// CPU Temp
void get_cpu_temp(int *row, int *col) {
    int temp_raw;

    FILE *f = fopen("/sys/class/thermal/thermal_zone7/temp", "r");
    if (f) {
        fscanf(f, "%d", &temp_raw);
        fclose(f);
    }
    float celsius = temp_raw / 1000.0;

    mvprintw((*row)++, *col, "CPU Temp: %.1f°C", celsius);
}

// Load avg
void get_load_avg(int *row, int *col) {
    double load1, load5, load15;

    FILE *f = fopen("/proc/loadavg", "r");

    if (f) {
        fscanf(f, "%lf %lf %lf", &load1, &load5, &load15);
        fclose(f);
    }


    mvprintw((*row)++, *col, "Load Avg: %.2f (1m) %.2f (5m) %.2f (15m)", load1, load5, load15);
}

void get_sys_info(void) {
    
    // to draw
    int row=3, col=5;

    get_cpu_temp(&row, &col);

    get_load_avg(&row, &col);
}