2023/10/12 10:51

Gravity: IIC to dual UART module Wiki - DFRobot

https://wiki.dfrobot.com/Gravity: IIC to Dual UART Module SKU: DFR0627

10/16

Serial.println("Serial to print UART1 and UART2's receive data.");//print the data received by UART1 and UART2

}

void loop() {

char c;

if(iicSerial1.available()){/*available return the number of byte in UART1 receive buffer, none- return 0*/

flag = 0;

while(iicSerial1.available()){

if(flag == 0){

Serial.print("\nUART1 receive data: ");

flag = 1;

}

c = iicSerial1.read();/*Read data of UART1 receive buffer */

Serial.print(c);

}

}

if(iicSerial2.available()){

flag = 0;

while(iicSerial2.available()){

if(flag == 0){

Serial.print("\nUART2 receive data: ");

flag = 1;

}

Serial.print(iicSerial2.read());/*Read and print the data of Sub UART2 receive buffer*/

}

}

delay(1000);

}

Expected Result

Serial print the following information.