#define NoOfSendModes 14
char mode_01[] = {0x01};
const char* SendModes[] = {"S", "SI", "SIR", "SR", "SX", "SXI", "SXI", "RN", "RM", "FP0", "GB1", "P", "FP", mode_01};

void setup() {  
  Serial.begin(115200);
  CheckCharValues();
}

void loop() {
  
}

void CheckCharValues(){
  for(int i = 0; i < NoOfSendModes; i++){
    Serial.print(SendModes[i]);
    Serial.print(": ");
    uint8_t ModeLen = strlen(SendModes[i]);
    ModeLen = ModeLen == 0 ? 1 : ModeLen;    
    for(int j = 0; j < ModeLen; j++){                  
      Serial.print(" 0x");
      Serial.print(GetHex(SendModes[i][j]));
    }
    Serial.println();
  }
}

String GetHex(uint8_t data) {
  String str;
  if (data < 0x10)
    str = "0";
  str.concat(String(data, HEX));
  str.toUpperCase();
  return str;
}