將字符串數組轉換爲無符號長字符時遇到了一些問題。 這是我對executeCommand()的輸入。將字符串轉換爲無符號長問題
0001000118218; 326
這就是我回來的。
接收到的命令:0001000118218; 326
發送代碼:1821
發射時段:32
我不明白爲什麼最後一位被丟棄......
#define id_length 4
#define command_length 4
const String my_id = "0001";
//Command execution methods
void executeCommand(String inputData) {
if(!my_id.equals(inputData.substring(0, id_length))) {
return;
}
Serial.print("Received command: ");
Serial.println(inputData);
String command = inputData.substring(id_length, id_length + command_length);
String parameters = inputData.substring(id_length + command_length);
for (int i = 0; i < 3; i++) {
if(command == "0001") { //RF power command
unsigned long rfid_long;
unsigned long periodid_long;
char rfid[parameters.indexOf(';')];
char periodid[3];
parameters.substring(0, parameters.indexOf(';')).toCharArray(rfid, parameters.indexOf(';'));
parameters.substring(parameters.indexOf(';') + 1).toCharArray(periodid, 3);
rfid_long = strtoul(rfid, NULL, 10);
periodid_long = strtoul(periodid, NULL, 10);
sendRF(rfid_long, periodid_long);
}
else {
Serial.println("Unknown command received");
}
delay(10);
}
}
void sendRF(unsigned long transmitCode, unsigned int transmitPeriod) {
//digitalWrite(transmitLedPin, HIGH);
Serial.print("transmit code: ");
Serial.println(transmitCode);
Serial.print("transmit period: ");
Serial.println(transmitPeriod);
RemoteSwitch::sendTelegram(generateTelegram(transmitCode, transmitPeriod), rfSubmitPin);
//digitalWrite(transmitLedPin, LOW);
}
這也不是C. – Eregrith 2012-02-04 21:58:20
*這是什麼語言? C,C#和Java之間的混合使用奇怪的縮進標準。 – 2012-02-04 22:44:17