/* Use this function to track memory allocation performance.
* This function does not depend on your implementation,
* but on the functions you wrote above.
*/
void print_memory_status()
{
printf("%d out of %d bytes allocated.\n",mem_allocated(),mem_total());
printf("%d bytes are free in %d holes; maximum allocatable block is %d bytes.\n",mem_free(),mem_holes(),mem_largest_free());
printf("Average hole size is %f.\n\n",((float)mem_free())/mem_holes());
}
int main(void) {
cpu_interval = 0;
int mem_load;
int display_mode = mode_CPU;
char tmp_value[20];
mem_tot = mem_total()/1024;
lcd_line(" RPi i2c test");
lcd_line(" Copyright (C)");
lcd_line(" 2013");
lcd_line("Jesper Stockenstrand");
usleep(5000000);
for(;;) {
int cpu_l;
switch (display_mode) {
case mode_CPU:
cpu_l = cpu_load();
sprintf(tmp_value," %d%%",cpu_l);
lcd_line(" CPU LOAD ");
lcd_line(tmp_value);
lcd_line(" ");
lcd_line(">CPU<[MEM][NET][UPT]");
break;
case mode_MEM:
mem_load = (int)(((double)mem_used()/(double)mem_tot)*100);
lcd_line(" MEM USAGE ");
sprintf(tmp_value," %d/%dMb",mem_used(),mem_tot);
lcd_line(tmp_value);
sprintf(tmp_value," %d%%",mem_load);
lcd_line(tmp_value);
lcd_line("[CPU]>MEM<[NET][UPT]");
break;
case mode_NET:
lcd_line(" IP ADDRESS ");
sprintf(tmp_value," %s", net_address());
lcd_line(tmp_value);
lcd_line(" ");
lcd_line("[CPU][MEM]>NET<[UPT]");
break;
case mode_UPT:
lcd_line(" UP TIME ");
sprintf(tmp_value," %d sec",uptime());
lcd_line(tmp_value);
lcd_line(" ");
lcd_line("[CPU][MEM][NET]>UPT<");
break;
default:
display_mode = mode_CPU;
}
switch (checkButton()) {
case 1:
display_mode = mode_CPU;
break;
case 2:
display_mode = mode_MEM;
break;
case 3:
display_mode = mode_NET;
break;
case 4:
display_mode = mode_UPT;
break;
}
usleep(10000);
}
return(0);
}
