| 24 | } |
| 25 | |
| 26 | void SerialReadingDelegateDemo::onData(Stream& stream, char arrivedChar, unsigned short availableCharsCount) |
| 27 | { |
| 28 | Serial << _F("Class Delegate Demo Time = ") << micros() << _F(" char = 0x") << String(arrivedChar, HEX, 2) |
| 29 | << _F(" available = ") << availableCharsCount << endl; |
| 30 | |
| 31 | // Error detection |
| 32 | unsigned status = serial->getStatus(); |
| 33 | if(status != 0) { |
| 34 | if(bitRead(status, eSERS_Overflow)) { |
| 35 | serial->println(_F("** RECEIVE OVERFLOW **")); |
| 36 | } |
| 37 | if(bitRead(status, eSERS_BreakDetected)) { |
| 38 | serial->println(_F("** BREAK DETECTED **")); |
| 39 | } |
| 40 | if(bitRead(status, eSERS_FramingError)) { |
| 41 | serial->println(_F("** FRAMING ERROR **")); |
| 42 | } |
| 43 | if(bitRead(status, eSERS_ParityError)) { |
| 44 | serial->println(_F("** PARITY ERROR **")); |
| 45 | } |
| 46 | // Discard what is likely to be garbage |
| 47 | serial->clear(SERIAL_RX_ONLY); |
| 48 | return; |
| 49 | } |
| 50 | |
| 51 | numCallback++; |
| 52 | |
| 53 | /* |
| 54 | * A more functional serial command-line interface can be implemented using the `LineBuffer` class. |
| 55 | * See `Basic_DateTime` sample application for a demonstration. |
| 56 | */ |
| 57 | |
| 58 | if(arrivedChar == '\n') // Lets show data! |
| 59 | { |
| 60 | serial->println(_F("<New line received>")); |
| 61 | // Read the string into a line |
| 62 | String line; |
| 63 | line.reserve(availableCharsCount); |
| 64 | while(availableCharsCount--) { |
| 65 | char cur = stream.read(); |
| 66 | charReceived++; |
| 67 | serial->print(cur); |
| 68 | if(cur != '\n' && cur != '\r') { |
| 69 | line += cur; |
| 70 | } |
| 71 | } |
| 72 | serial->println(); |
| 73 | |
| 74 | if(callback) { |
| 75 | callback(line); |
| 76 | } |
| 77 | } |
| 78 | } |