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, (portTickType)portMAX_DELAY)) { 10 ESP_LOGI(TAG, "uart[%d] event:", uart_num...
intuart_read_bytes(uart_port_tuart_num,void*buf,uint32_tlength, TickType_t ticks_to_wait);//参数 : uart_num:串口编号 可查看uart.h,进行选择// buf:接收数组名// length:接收到的数据长度// ticks_to_wait:读取等待的RTOS滴答个数//返回 : -1:表示错误// 其他:表示从uart的接收fifo读取到...
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。函数原型如下: AI检测代码解析 EventBits_t xEventGroupSetBits(EventGroup...
staticvoiduart_event_task(void*pvParameters){uart_event_t event;for(;;){//阻塞接收串口队列,//这个队列在底层发送,用户只需在应用层接收即可if(xQueueReceive(uart_queue,(void*)&event,(portTickType)portMAX_DELAY)){switch(event.type){//各种串口事件caseUART_DATA:ESP_LOGI(TAG,"[UART DATA]: %...
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, (...
Event_Create_init() { Event_Handle = xEventGroupCreate(); if (NULL != Event_Handle) { printf("事件创建成功\r\n"); } } void Event_SetBits_Function(void *arg) { BaseType_t xReturn = pdPASS; while (1) { if (gpio_get_level(Key_GPIO) == 0) { xEventGroupSetBits(...
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...
esp_err_tesp_timer_create(constesp_timer_create_args_t*create_args,esp_timer_handle_t*out_handle); create_args:参数,也就是2.1中的变量类型;out_handle:定时器句柄;esp_err_t:返回值,ESP_OK表示创建成功,其他表示失败。 2.4、启动一个周期定时器 ...
// Setup UART buffered IO with event queueconstintuart_buffer_size=(1024*2);QueueHandle_tuart_queue;// Install UART driver using an event queue hereESP_ERROR_CHECK(uart_driver_install(UART_NUM_2,uart_buffer_size,\uart_buffer_size,10,&uart_queue,0)); 5. 运行UART通信uart_write_bytes()...
与使用可解析地址进行广播一样,使用静态随机地址进行广播也需要将 esp_ble_adv_params_t 成员 own_addr_type 设置为 BLE_ADDR_TYPE_RANDOM。 BLE 广播类型介绍 BLE 广播主要有 5 种类型, 可连接可扫描非定向广播 (Connectable scannable undirected event type) 可连接可扫描非定向广播是指可被任何设备发现...