ESP32 Forum

Code: Led.c Select all

#define CONFIG_GREEN_LED_GPIO 28

#define CONFIG_RED_LED_GPIO 37



#define GREEN_LED_GPIO CONFIG_GREEN_LED_GPIO

#define RED_LED_GPIO CONFIG_RED_LED_GPIO



#define Led_Set_Red_On() gpio_set_level(RED_LED_GPIO, 0)

#define Led_Set_Green_On() gpio_set_level(GREEN_LED_GPIO, 0)

#define Led_Set_Red_Off() gpio_set_level(RED_LED_GPIO, 1)

#define Led_Set_Green_Off() gpio_set_level(GREEN_LED_GPIO, 1)



    gpio_config_t cfg = { .pin_bit_mask = BIT64(GREEN_LED_GPIO),

                        .mode = GPIO_MODE_OUTPUT,

        //for powersave reasons, the GPIO should not be floating

        .pull_up_en = false,

        .pull_down_en = false,

        .intr_type = GPIO_INTR_DISABLE, };



    Led_Set_Green_On();

    gpio_config(&cfg);

    gpio_set_drive_capability(GREEN_LED_GPIO, GPIO_DRIVE_CAP_3);

    gpio_hold_dis(GREEN_LED_GPIO);

    gpio_hold_en(GREEN_LED_GPIO);



    Led_Set_Red_On();

    cfg.pin_bit_mask = BIT64(RED_LED_GPIO);

    gpio_config(&cfg);

    gpio_set_drive_capability(RED_LED_GPIO, GPIO_DRIVE_CAP_3);

    gpio_hold_dis(RED_LED_GPIO);

    gpio_hold_en(RED_LED_GPIO);