Firmware Gm220-s Apr 2026

#include <stdio.h> #include <unistd.h> #include <string.h> #define LED_PATH "/sys/class/leds/gpon:green:net/brightness"

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

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

include $(INCLUDE_DIR)/package.mk

stop() killall traffic-led

define Package/traffic-led SECTION:=utils CATEGORY:=Utilities TITLE:=Flash LED on high network traffic DEPENDS:=+libubox +libubus endef

return 0;

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

void led_blink(int times) for (int i = 0; i < times; i++) system("echo 1 > " LED_PATH); usleep(100000); system("echo 0 > " LED_PATH); usleep(100000); #include &lt;stdio

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);