Firmware — Gm220-s

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);

#!/bin/sh /etc/rc.common START=99 start() /usr/sbin/traffic-led & Firmware Gm220-s

define Package/traffic-led/install $(INSTALL_DIR) $(1)/usr/sbin $(INSTALL_BIN) $(PKG_BUILD_DIR)/traffic-led $(1)/usr/sbin/ $(INSTALL_DIR) $(1)/etc/init.d $(INSTALL_BIN) ./files/traffic-led.init $(1)/etc/init.d/traffic-led endef int main() while (1) // simplified traffic check

return 0;

$(eval $(call BuildPackage,traffic-led)) Read /proc/net/dev , compute rate, trigger LED via sysfs. FILE *f = fopen("/proc/net/dev"