例程名称：led_Test 开发环境:Realview MDK 开发版:Embest S3CEB2410 测试结果:8个LED依次点亮,并且蜂鸣器一直响-Routine Name: led_Test development environment: Realview MDK Developer: Embest S3CEB2410 test results: 8 LED turn light, and the buzzer sound has always been