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

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void loop() {

int n = iicSerial2.available();//Read the number of bytes in UART2

int i = 0;

if(n){

while(iicSerial2.available()){

if((char)iicSerial2.peek() != 'A'){//Use peek function to read the character without deleting the data in buffer

rx_buffer[i++] = iicSerial2.read();//Use read function to read character and delete the data in buffer.

if((i > (sizeof(rx_buffer) - 1)))

break;

}else{

iicSerial2.read();//Put read function here to remove a char "A" in buffer.

}

}

Serial.print("Parsed string: ");

for(int j = 0; j < i; j++){

Serial.print(rx_buffer[j]);

}

Serial.println();

}

delay(1000);

}