I wanted to put them in tasks for better performance, but that'n I started getting an error as `uart: uart_get_buffered_data_len(1339): uart driver error ` here is some code: Code: Select all Logger mainLog; CanHandler can; #ifdef LIN_ENABLED #include "./LinHandler.h" LinHandler...
ESP_ERROR_CHECK( uart_set_pin(UART_NUM_0, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE) ); //Install UART driver, and get the queue. ESP_ERROR_CHECK( uart_driver_install(UART_NUM_0, uart_buffer_size, \ uart_buffer_size, 20, &uart0_queue, ...
Uart driver Install fail - ESP_ERR_NOT_FOUND Postbytaruroy»Mon Apr 29, 2024 8:28 pm Chip: ESP32S3 IDF: 4.4 When calling Code:Select all uart_driver_install(UART_NUM_1, rx_buf, tx_buf, q_size, &queue, 0); The call fails with ESP_ERR_NOT_FOUND about 5% of the times. ...
uart_driver_install(uart_num , uart_buffer_size, uart_buffer_size, 10, &uart_queue, 0)); // uart_isr_free(uart_num ); //释放中断服务函数 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 2、发送示例: char* test_str = "Hel...
ESP_ERROR_CHECK(uart_set_pin(UART_NUM_2, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE, 18, 19)); 1. 2. 3 安装uart驱动 使用uart_driver_install()函数安装,函数原型如下: esp_err_t uart_driver_install(uart_port_t uart_num, int rx_buffer_size, int tx_buffer_size, int queue_size, Queue...
4. 安装驱动程序uart_driver_install()参数：Tx 环形缓冲区的大小Rx 环形缓冲区的大小事件队列句柄和大小分配中断的标志示例：// Setup UART buffered IO with event queueconst int uart_buffer_size = (1024 * 2);QueueHandle_t uart_queue;// Install UART driver using an event queue hereESP_ERROR_CHECK...
UART驱动使用的是CP210x下载地址:CP210x USB to UART Bridge VCP Drivers - Silicon Labs (silabs.com) JTAG驱动使用的是乐鑫官方驱动下载地址:Configure ESP32-S3 Built-in JTAG Interface - ESP32-S3 - — ESP-IDF 编程指南 latest 文档 (espressif.com) ...
在components/driver/include/driver/uart.h中可以查看api; 在examples/peripherals/uart中也可以参考官方的各种串口例程。 2.1、安装uart驱动 代码语言:javascript 代码运行次数:0 运行 AI代码解释 esp_err_tuart_driver_install(uart_port_t uart_num,int rx_buffer_size,int tx_buffer_size,int queue_size,Queue...
#include<stdio.h>#include"freertos/FreeRTOS.h"#include"freertos/task.h"#include"driver/gpio.h"#include"sdkconfig.h"#defineDHT11_PIN(21)//可通过宏定义,修改引脚#defineDHT11_CLRgpio_set_level(DHT11_PIN,0)#defineDHT11_SETgpio_set_level(DHT11_PIN,1)#defineDHT11_INgpio_set_direction(DHT...
#include "driver/uart.h" static const char *TAG = "MQTT_EXAMPLE"; #define EX_UART_NUM UART_NUM_0 #define PATTERN_CHR_NUM (3) /*!< Set the number of consecutive and identical characters received by receiver which defines a UART pattern*/ ...