EventBits_t xEventGroupWaitBits(EventGroupHandle_t xEventGroup, EventBits_t uxBitsToWaitFor, BaseType_t xClearOnExit, BaseType_t xWaitForAllBits, TickType_t xTicksToWait); 1. 3. xEventGroupSetBits() 用于设置一组事件。
#include< freertos/FreeRTOS.h >#include< freertos/queue.h >#include< freertos/task.h >#include< driver/gpio.h >#include< driver/uart.h >#include< esp_log.h >#include< string.h >#defineLOG_EVENT_TAG"uart"QueueHandle_t uart_queue =NULL;#defineRX_BUFF_SIZE 1024#defineUART_PORT UART...
33 uart_flush(uart_num); 34 break; 35 //Event of UART RX break detected 36 case UART_BREAK: 37 ESP_LOGI(TAG, "uart rx break\n"); 38 break; 39 //Event of UART parity check error 40 case UART_PARITY_ERR: 41 ESP_LOGI(TAG, "uart parity error\n"); 42 break; 43 //Event of ...
// Setup UART buffered IO with event queue const int uart_buffer_size = (1024 * 2); QueueHandle_t uart_queue; // Install UART driver using an event queue here ESP_ERROR_CHECK(uart_driver_install(UART_NUM_2, uart_buffer_size, \ uart_buffer_size, 10, &uart_queue, 0)); 5. 运行U...
2. struct uart_event_t的timeout_flag的使用：timeout_flag是一个标志位，用于指示是否发生了接收超时...
3.基于我的这种应用需求(接收不定长数据),是推荐直接开uart接收空闲中断还是使用ESP-IDF中已经定义好uart event实现? 如果使用uart接收空闲中断有相关例程吗?\esp-idf-v4.4\components\driver\test\test_uart.c 只有一个发送空闲中断。Andy_Zhou7 Posts: 2 Joined: Sun Feb 20, 2022 12:28 pm Re...
(UART0_Task_Function, //任务函数 "UART0_Task", //任务名称 2048, //任务栈大小 NULL, //任务入口函数参数 2, //任务优先级 &UART0_Task_Handle); //句柄 if (pdPASS == xReturn) { // printf("Event_WaitBits_Task任务创建成功\r\n"); } // printf("删除...
1 void uart_task(void *pvParameters) 2 { 3 int uart_num = (int) pvParameters; 4 uart_event_t event; 5 size_t buffered_size; 6 uint8_t* dtmp = (uint8_t*) malloc(BUF_SIZE); 7 for(;;) { 8 //Waiting for UART event. 9 if(xQueueReceive(uart0_queue, (void * )&event, (...
staticvoiduart_event_task(void*pvParameters){uart_event_tevent;size_tbuffered_size;uint8_t*dtmp=(uint8_t*)malloc(RD_BUF_SIZE);for(;;){//Waiting for UART event.if(xQueueReceive(uart0_queue,(void*)&event,(portTickType)portMAX_DELAY)){bzero(dtmp,RD_BUF_SIZE);// ESP_LOGI(TAG, "...
uart.h"//串口#include"driver/i2c.h"//I2C//#include "ble_ancs.h"#include"esp_wifi.h"#include"nvs_flash.h"//蓝牙头文件#include"esp_bt.h"#include"esp_gap_ble_api.h"#include"esp_gatts_api.h"#include"esp_bt_defs.h"#include"esp_bt_main.h"#include"esp_gatt_common_api.h"//#...