unsigned int GpioInit (void )
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unsigned int IoSetFunc (WifiIotIoName id, unsigned char val )
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unsigned int GpioSetDir (WifiIotGpioIdx id, WifiIotGpioDir dir )
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static void LedTask(void)
{
    GpioInit();//初始化GPIO
    IoSetFunc(WIFI_IOT_IO_NAME_GPIO_2, WIFI_IOT_IO_FUNC_GPIO_2_GPIO);//设置GPIO_2的复用功能为普通GPIO
    GpioSetDir(WIFI_IOT_IO_NAME_GPIO_2, WIFI_IOT_GPIO_DIR_OUT);//设置GPIO_2为输出模式
    
    while (1) 
        {
            GpioSetOutputVal(WIFI_IOT_IO_NAME_GPIO_2, 1);//设置GPIO_2输出高电平点亮LED灯
            usleep(1000000);//延时1s
            GpioSetOutputVal(WIFI_IOT_IO_NAME_GPIO_2, 0);//设置GPIO_2输出低电平熄灭LED灯
            usleep(1000000);//延时1s
        }
}
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"B1_basic_led_blink:led_example",
#"B2_basic_button:button_example",
#"B3_basic_pwm_led:pwm_example",
#"B4_basic_adc:adc_example",
#"B5_basic_i2c_nfc:i2c_example",
#"B6_basic_uart:uart_example",
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