uart_set_pin(UART_NUM,UART_TX,UART_RX,UART_PIN_NO_CHANGE,UART_PIN_NO_CHANGE); } void UART_OTA_Init(void) { UART_Init(460800); xTaskCreate(UART_OTA_Task,"UART_OTA_Task",1024 * 6,NULL,3,NULL); } static void OTA_Ack(uint8_t ota_ack) { ota_table[0] = ota_ack; uart_write_...
通过uart_set_pin()设置串口的映射管脚,使用默认的话,可以用UART_PIN_NO_CHANGE,尽量指定一个吧,默认的貌似不太靠谱。uart_set_pin()参数从左到右分别是:TXD,RXD,RTS,CTS。 // Set UART pins(TX: IO16 (UART2 default), RX: IO17 (UART2 default), RTS: IO18, CTS: IO19) ESP_ERROR_CHECK(uart...
修改UART TX pin for console output为目标引脚(如GPIO2)。 (可选)禁用Bootloader init UART ROM message以避免早期日志仍从默认引脚输出。 代码中动态修改(可选): #include "driver/uart.h" void app_main() { uart_set_pin(UART_NUM_0, NEW_TX_PIN, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE, UART_...
esp_err_t uart_driver_delete(uart_port_t uart_num) 说明:卸载UART驱动 返回:ESP_OK 成功 ESP_FAIL 参数错误 参数:uart_num:UART端口数,最大端口数是UART_NUM_MAX-1 esp_err_t uart_set_pin(uart_port_t uart_num, int tx_io_num, int rx_io_num, int rst_io_num, int cst_io_num) 说明:...
uart_set_pin(UART_NUM_1, TXD_PIN, RXD_PIN, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE); }// int sendData(const char* logName, const char* data)// {// const int len = strlen(data);// const int txBytes = uart_write_bytes(UART_NUM_1, data, len);// // ESP_LOGI(logName, "Wr...
传输位uart_set_wod_length() 奇偶控制uart_set_parity() 停止位 :uart_set_stop_bits() 硬件流控模式:uart_set_hw_flow_ctrl() 通信模式:uart_set_mode() 如果要查询参数,可以把上面的_set_改成_get_。 3. 设置通信管脚uart_set_pin() 参数顺序: Tx,Rx,RTS,CTS。 保持不变的参数,使用宏: UART_...
esp_err_tuart_set_rx_full_threshold(uart_port_t uart_num,int threshold); 2.4、串口引脚设置 代码语言:javascript 代码运行次数:0 运行 AI代码解释 esp_err_tuart_set_pin(uart_port_t uart_num,int tx_io_num,int rx_io_num,int rts_io_num,int cts_io_num); ...
uart_set_pin(uart_port_t uart_num,inttx_io_num,intrx_io_num,intrts_io_num,intcts_io_num) 串口引脚设置,可以设置串口4个引脚,一般设置TX RX即可。 intuart_read_bytes(uart_port_t uart_num,void*buf, uint32_t length, TickType_t ticks_to_wait)intuart_write_bytes(uart_port_t uart_num...
// 引脚绑定uart_set_pin(UART_NUM_1, TX_PIN, RX_PIN, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE); 3、 注册uart中断驱动(配置可选) 通过注册uart中断,可以不用开一个任务实时的去读取串口,判断串口有没有数据发送过来,提高系统实时性。 中断驱动uart_driver_install函数参数说明如下: ...
uart_set_pin(EX_UART_NUM, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE); and following to \uart.c : Code: Select all esp_err_t uart_set_pin(uart_port_t uart_num, int tx_io_num, int rx_io_num, int rts_io_num, int cts_io_num) i real...