example, we directly flush the rx buffer here in order to read more data.uart_flush_input(EX_UART_NUM);xQueueReset(uart_queue);break;//Event of UART RX break detectedcaseUART_BREAK:ESP_LOGI(TAG,"uart rx break");
uart_pattern_queue_reset(UART_NUM_1, 20); uart_pattern_queue_reset(UART_NUM_2, 20); while (1) { if (xQueueReceive(uart0_queue, (uint32_t *) &uart0_event, 0)) { uart_event_handle(UART_NUM_0, uart0_queue, &uart0_event); } if (xQueueReceive(uart1_queue, (uint32_t *) ...
(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...
等待串口事件队列 if(xQueueReceive(uart0_queue, (void * )&event, (portTickType)portMAX_DELAY)) { bzero(dtmp, RD_BUF_SIZE); //清空动态申请的队列 ESP_LOGI(TAG, "uart[%d] event:", EX_UART_NUM); switch(event.type) { /*我们最好快速处理数据事件,会有更多的数据事件比其他类型 的事件。
/* UART Interrupt Example */ #include <stdio.h> #include <string.h> #include "freertos/FreeRTOS.h" #include "freertos/task.h" #include "freertos/queue.h" #include "driver/uart.h" #include "esp_log.h" #include "driver/gpio.h" #include "sdkconfig.h" #include "esp_intr_alloc.h...
RD_BUF_SIZE);for(;;){//Waiting for UART event.if(xQueueReceive(uart0_queue,(void*)&event,...
打开file-example-mpu6050-mpu6050_DMP6,有现成的实例代码。由于我的esp32的板载LED灯的pin number是2,修改#define LED_PIN 13为2。中断pin 2修改为#define INTERRUPT_PIN 13 //修改后 #define INTERRUPT_PIN 13 // use pin 2 on Arduino Uno & most boards #define LED_PIN 2 // (Arduino is 13, ...
16 in this example, we don't process data in event, but read data outside.*/ 17 case UART_DATA: 18 uart_get_buffered_data_len(uart_num, &buffered_size); 19 ESP_LOGI(TAG, "data, len: %d; buffered len: %d", event.size, buffered_size); 20 break; 21 //Event of HW FIFO ...
queue_size (UART event queue size) uart_queue (UART event queue handle) intr_alloc_flags (Flags to allocate an interrupt) esp_err_t uart_driver_install(uart_port_t uart_num, int rx_buffer_size, int tx_buffer_size, int queue_size, QueueHandle_t *uart_queue, int intr_alloc_flags) ...
ESP32-P4 UART Pin Definitions by @SuGlider in #10521 feat(uart): uart break example improvement by @SuGlider in #10525 feat(uart): adds Serial4 as a keyword - used by ESP32-P4 by @SuGlider in #10619 feat(uart): [IDF 5.3] fixes HardwareSerial::updateBaudRate() using a baud rat...