![]() Serial. I am not familiar with that particular sensor but Ive had similar issues. Serial.println("Serial1 Rxd1 is on pin: "+String(RXD1)) 1 Answer Sorted by: 0 I think you need to include a hard reset of the sensor when the ESP32 restarts. Serial.println("Serial1 Txd1 is on pin: "+String(TXD1)) Serial.println("Serial Rxd is on pin: "+String(RX)) Serial.println("Serial Txd is on pin: "+String(TX)) ![]() Serial.println("ESP32 hardware serial test on Serial1 and Serial2") Note the format for setting a serial port is as follows: Serial2.begin(baud-rate, protocol, RX pin, TX pin) #define RXD1 12 // for loopback jumper these pins * U2UXD is unused and can be used for your projects. Some boards use this port for SPI Flash access though * U1UXD is unused and can be used for your projects. * U0UXD is used to communicate with the ESP32 for programming and during reset/boot. * There are three serial ports on the ESP known as U0UXD, U1UXD and U2UXD. Testing ESP32 Serial1 and Serial2 using loopback // ESP32 serial1 and serial2 hardware loop back test Serial.print("LONG=") Serial.println((), 6) Serial.print("LAT=") Serial.println((), 6) Please have check for the code below: #include "TinyGPS++.h" Do you have software problems? Does the sketch compile but you don't get a signal on the pin?Īctually, I want to use GPS module on UART1 serial port and when run the code sketch it didn't work at all on UART1 serial port and when run the same code sketch on UART2 i.e. Learn to configure & handle ESP32 GPIO Interrupts along with Attaching Interrupt, Modes, Detaching Interrupt, ISR with IRAMATTR & Code with Explanation. You also don't tell us what "don't work" actually means. Using more than one serial port with an esp32. } //void fReceiveSerial_LIDAR( void * parameters ) XSemaphoreGive( sema_ReceiveSerial_LIDAR ) ![]() XEventGroupSetBits( eg, evtParseLIDAR_ReceivedSerial ) Use Interrupts - Triggering interrupts on. Run UART Communication - Sending/receiving data. XQueueOverwrite( xQ_LIDAR_Display_INFO, ( void * ) &sSerial ) Install Drivers - Allocating ESP32s resources for the UART driver. If ( xSemaphoreTake( sema_ParseLIDAR_ReceivedSerial, xSemaphoreTicksToWait10 ) = pdTRUE ) After installing the Arduino development environment of ESP32, we have integrated this serial operation library, which can be directly referenced in practical application. Void fReceiveSerial_LIDAR( void * parameters )ĮventBits_t xbit = 圎ventGroupWaitBits (eg, evtReceiveSerial_LIDAR, pdTRUE, pdTRUE, portMAX_DELAY) HardwareSerial library is a serial driver library written in c + + and applied to esp32 Arduino application environment. GPSSerial.begin ( GPS_DataBits, SERIAL_8N1, 2, 15 ) // begin GPS hardware serial LIDARSerial.begin ( SerialDataBits, SERIAL_8N1, 26, 25 )
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