ESP32-C3-S32的TWAI问题

[reypowerlu]

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1. 目前使用ESP32-C3-S32芯片的TWAI功能，使用例程测试GPIO2/GPIO3引脚是否输出时，出现IO无数据波形的情况，请问有人知道是什么问题吗？

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1. void app_main(void)
2. {
3.     twai_message_t message;
4.  
5.     //Initialize configuration structures using macro initializers
6.     twai_general_config_t g_config = TWAI_GENERAL_CONFIG_DEFAULT(TX_GPIO_NUM, RX_GPIO_NUM, TWAI_MODE_NORMAL);
7.     twai_timing_config_t t_config = TWAI_TIMING_CONFIG_500KBITS();
8.     twai_filter_config_t f_config = TWAI_FILTER_CONFIG_ACCEPT_ALL();
9.  
10.     //Install TWAI driver
11.     if (twai_driver_install(&g_config, &t_config, &f_config) == ESP_OK)
12.     {
13.         ESP_LOGI(EXAMPLE_TAG, "Driver installed\n");
14.     }
15.     else
16.     {
17.         ESP_LOGI(EXAMPLE_TAG, "Failed to install driver\n");
18.         return;
19.     }
20.  
21.     //Start TWAI driver
22.     if (twai_start() == ESP_OK)
23.     {
24.         ESP_LOGI(EXAMPLE_TAG, "Driver started\n");
25.     }
26.     else
27.     {
28.         ESP_LOGI(EXAMPLE_TAG, "Failed to start driver\n");
29.         return;
30.     }
31.  
32.     message.identifier = 0xAAAA;
33.     message.extd = 1;
34.     message.data_length_code = 8;
35.     for (int i = 0; i < 8; i++)
36.     {
37.         message.data[i] = 0x0A;
38.     }
39.  
40.     while(1)
41.     {
42.         //Queue message for transmission
43.         if (twai_transmit(&message, pdMS_TO_TICKS(10000)) == ESP_OK)
44.         {
45.             ESP_LOGI(EXAMPLE_TAG,"Message queued for transmission\n");
46.         }
47.         else
48.         {
49.             ESP_LOGI(EXAMPLE_TAG,"Failed to queue message for transmission\n");
50.         }
51.        
52.         vTaskDelay(pdMS_TO_TICKS(10000));
53.     }
54.     vTaskDelete(NULL);
55. }

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