ESP_ERROR_CHECK(uart_driver_install(ECHO_UART_PORT_NUM, BUF_SIZE * 2, 0, 0, NULL, intr_alloc_flags)); //安装 UART 驱动程序并将 UART 设置为默认配置 ESP_ERROR_CHECK(uart_param_config(ECHO_UART_PORT_NUM, &uart_config)); //设置
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 *) &uart1_event, 0)) { uart_event_handle(UAR...
.date_bits = UART_DATA_8_BITS, .parity = UART_PARITY_DISABLE, .stop_bits = UART_STOP_BITS_1, .flow_ctrl = UART_HW_FLOWCTRL_CTS_RTS, .rx_flow_ctrl_thress = 122,};// Configure UART parametersESP_ERROR_CHECK(uart_param_config(uart_num, &uart_config));2. 专用...
19 //For UART0, we can just use the default pins. 20 //uart_set_pin(uart_num, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE); 21 //Set uart pattern detect function. 22 uart_enable_pattern_det_intr(uart_num, '+', 3, 10000, 10, 10); 23...
xTaskCreate(uart_task,"uart_task",2048, NULL,10, NULL); } 如果想配置串口0或者串口2 把以下变量的最后一个数字改为0或者2即可 关于模式匹配和485方向控制,参考 https://docs.espressif.com/projects/esp-idf/zh_CN/latest/esp32/api-reference/peripherals/uart.html?highlight=uart_pattern_det# ...
< UART RX frame error event*/UART_PARITY_ERR,/*!< UART RX parity event*/UART_DATA_BREAK,/*!< UART TX data and break event*/UART_PATTERN_DET,/*!< UART pattern detected */UART_EVENT_MAX,/*!< UART event max index*/}uart_event_type_t;...
UART_PIN_NO_CHANGE,UART_PIN_NO_CHANGE,UART_PIN_NO_CHANGE);//Set uart pattern detect function.uart_enable_pattern_det_baud_intr(EX_UART_NUM,'+',PATTERN_CHR_NUM,9,0,0);//Reset the pattern queue length to record at most 20 pattern positions.uart_pattern_queue_reset(EX_UART_NUM,20);...
UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE); uart_driver_install(EX_UART_NUM, BUF_SIZE * 2, BUF_SIZE * 2, 20, &uart0_queue, 0); uart_enable_pattern_det_intr(EX_UART_NUM, '+', PATTERN_CHR_NUM, 10000, 10, 10); uart_pattern_queue_reset(EX_UART_NUM, 20)...
//接收缓存满(建议加大缓存BUF_SIZE)uart_flush_input(UART_NUM_1);xQueueReset(QueueHandle_t_uart1);break;caseUART_BREAK://检测到接收数据中断break;caseUART_PARITY_ERR://数据校验错误break;caseUART_FRAME_ERR://数据帧错误break;caseUART_PATTERN_DET://接收到相匹配的字符(没用到)break;default:...
uart_enable_pattern_det_baud_intr(uart_port, '\n', 1, 9, 0, 0); 代码中Pattern Queue Size是20, RING_BUFFER_SIZE是2048, 但是一直显示以下warning,会丢失数据 Code:Select all W(8464)uart1:RingBufferFullW(8514)uart1:PatternQueueSizetoosmallW(8614)uart1:pos:83W(8714)uart1:pos:147W(8814...