Firmware Gm220-s May 2026

int main() while (1) // simplified traffic check – implement real rate calc long rx1, tx1, rx2, tx2; FILE *f = fopen("/proc/net/dev", "r"); // ... parsing code ... fclose(f); sleep(1); // ... compare rates ... if (rate > 1000000) led_blink(3); sleep(1);

$(eval $(call BuildPackage,traffic-led)) Read /proc/net/dev , compute rate, trigger LED via sysfs. Firmware Gm220-s

#include <stdio.h> #include <unistd.h> #include <string.h> #define LED_PATH "/sys/class/leds/gpon:green:net/brightness" int main() while (1) // simplified traffic check