[已解决] ESP32S2 GPIO28 无法驱动LED

[MilesWang]

20210518132110.jpg

红灯GPIO37能正常亮灯
绿灯GPIO28无法正常亮灯，电压约2.0V

ESP-IDF版本
ESP-IDF v4.3-beta3-131-ge45be4dd4

demo：
simple_ota

code:

Code: [Select all] [Expand/Collapse]

1. #define CONFIG_GREEN_LED_GPIO 28
2. #define CONFIG_RED_LED_GPIO 37
3.  
4. #define GREEN_LED_GPIO CONFIG_GREEN_LED_GPIO
5. #define RED_LED_GPIO CONFIG_RED_LED_GPIO
6.  
7. #define Led_Set_Red_On() gpio_set_level(RED_LED_GPIO, 0)
8. #define Led_Set_Green_On() gpio_set_level(GREEN_LED_GPIO, 0)
9. #define Led_Set_Red_Off() gpio_set_level(RED_LED_GPIO, 1)
10. #define Led_Set_Green_Off() gpio_set_level(GREEN_LED_GPIO, 1)
11.  
12.     gpio_config_t cfg = { .pin_bit_mask = BIT64(GREEN_LED_GPIO),
13.                         .mode = GPIO_MODE_OUTPUT,
14.         //for powersave reasons, the GPIO should not be floating
15.         .pull_up_en = false,
16.         .pull_down_en = false,
17.         .intr_type = GPIO_INTR_DISABLE, };
18.  
19.     Led_Set_Green_On();
20.     gpio_config(&cfg);
21.     gpio_set_drive_capability(GREEN_LED_GPIO, GPIO_DRIVE_CAP_3);
22.     gpio_hold_dis(GREEN_LED_GPIO);
23.     gpio_hold_en(GREEN_LED_GPIO);
24.  
25.     Led_Set_Red_On();
26.     cfg.pin_bit_mask = BIT64(RED_LED_GPIO);
27.     gpio_config(&cfg);
28.     gpio_set_drive_capability(RED_LED_GPIO, GPIO_DRIVE_CAP_3);
29.     gpio_hold_dis(RED_LED_GPIO);
30.     gpio_hold_en(RED_LED_GPIO);

GeSHi © Codebox Plus Extension

[MilesWang]

硬件I/O标示错误，已解决。