uartBulkdataSend

#define intArraySize 64

union intq {
  uint16_t i[intArraySize];
  char b[intArraySize * 2];
} data;

void setup() {
  Serial1.begin(380000,SERIAL_8N1 );
  for (int i = 0; i < intArraySize; i++) {
    data.i[i] = i;
  }
}

void sendData() {
  for (uint8_t i = 0; i < intArraySize; i++) {
    data.i[i]++;
  }

 /*char *pdatab = data.b; // Send data one byte at a time
  for (uint8_t i = 0; i < intArraySize*2; i++) {
    Serial1.write(*pdatab++);
 } */

  Serial1.print((char*)data.b); // Send it all at once
}

uint16_t nsv = 0;
void loop() {
  while (Serial1.available() > 0) {
    char inChar = Serial1.read();
    if (inChar == 'S') {
      sendData();
    }
  }
}