diff options
Diffstat (limited to 'libsowatch/metawatch.cpp')
-rw-r--r-- | libsowatch/metawatch.cpp | 409 |
1 files changed, 0 insertions, 409 deletions
diff --git a/libsowatch/metawatch.cpp b/libsowatch/metawatch.cpp deleted file mode 100644 index b968fad..0000000 --- a/libsowatch/metawatch.cpp +++ /dev/null @@ -1,409 +0,0 @@ -#include <QtCore/QDebug> -#include <QtCore/QDateTime> - -#include "metawatchpaintengine.h" -#include "metawatch.h" - -using namespace sowatch; -QTM_USE_NAMESPACE - -#define SINGLE_LINE_UPDATE 0 - -const quint8 MetaWatch::bitRevTable[16] = { - 0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15 -}; - -const quint16 MetaWatch::crcTable[256] = { - 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7, - 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef, - 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6, - 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de, - 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485, - 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d, - 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4, - 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc, - 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823, - 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b, - 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12, - 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a, - 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41, - 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49, - 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70, - 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78, - 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f, - 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067, - 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e, - 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256, - 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d, - 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, - 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c, - 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634, - 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab, - 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3, - 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a, - 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92, - 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9, - 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1, - 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8, - 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0 -}; - -#if 0 /* This snippet was used to build the table seen above. */ - quint16 remainder; - int dividend; - quint8 bit; - - for (dividend = 0; dividend < 256; dividend++) { - remainder = dividend << 8; - for (bit = 8; bit > 0; bit--) { - if (remainder & 0x8000) { - remainder = (remainder << 1) ^ 0x1021; - } else { - remainder = (remainder << 1); - } - } - if ((dividend % 8) == 0) { - printf(",\n0x%04hx", remainder); - } else { - printf(", 0x%04hx", remainder); - } - } -#endif - -MetaWatch::MetaWatch(const QBluetoothAddress& address, QObject *parent) : - Watch(QImage(96, 96, QImage::Format_MonoLSB), parent), - _socket(new QBluetoothSocket(QBluetoothSocket::RfcommSocket)), - _sendTimer(new QTimer(this)) -{ - connect(_socket, SIGNAL(connected()), SLOT(socketConnected())); - connect(_socket, SIGNAL(disconnected()), SLOT(socketDisconnected())); - connect(_socket, SIGNAL(readyRead()), SLOT(socketData())); - connect(_socket, SIGNAL(error(QBluetoothSocket::SocketError)), - SLOT(socketError(QBluetoothSocket::SocketError))); - connect(_socket, SIGNAL(stateChanged(QBluetoothSocket::SocketState)), - SLOT(socketState(QBluetoothSocket::SocketState))); - - _sendTimer->setInterval(30); - connect(_sendTimer, SIGNAL(timeout()), SLOT(timedSend())); - - _socket->connectToService(address, 1, QIODevice::ReadWrite | QIODevice::Unbuffered); -} - -QPaintEngine* MetaWatch::paintEngine() const -{ - if (!_paintEngine) { - _paintEngine = new MetaWatchPaintEngine(const_cast<MetaWatch*>(this), - const_cast<QImage*>(&_image)); - } - - return _paintEngine; -} - -QString MetaWatch::model() const -{ - return "metawatch-digital"; -} - -bool MetaWatch::isConnected() const -{ - return _socket->state() == QBluetoothSocket::ConnectedState; -} - -bool MetaWatch::busy() const -{ - return _socket->state() != QBluetoothSocket::ConnectedState || - _toSend.size() > 20; -} - -void MetaWatch::update(const QList<QRect> &rects) -{ - if (_socket->state() != QBluetoothSocket::ConnectedState) return; - const QRect imageRect = _image.rect(); - QVector<bool> lines(_image.height(), false); - - foreach (const QRect& rect, rects) { - QRect r = rect.intersect(imageRect); - for (int i = r.top(); i <= r.bottom(); i++) { - lines[i] = true; - } - } - - updateLines(ApplicationMode, _image, lines); - updateDisplay(ApplicationMode); -} - -void MetaWatch::clear(bool white) -{qDebug() << "MWclear" << white; - if (_socket->state() != QBluetoothSocket::ConnectedState) return; - loadTemplate(ApplicationMode, white ? 1 : 0); -} - -void MetaWatch::vibrate(bool on) -{ - -} - -void MetaWatch::setDateTime(const QDateTime &dateTime) -{ - Message msg(SetRealTimeClock, QByteArray(10, 0)); - const QDate& date = dateTime.date(); - const QTime& time = dateTime.time(); - - msg.data[0] = date.year() & 0xF00; - msg.data[1] = date.year() & 0xFF; - msg.data[2] = date.month(); - msg.data[3] = date.day(); - msg.data[4] = date.dayOfWeek() - 1; - msg.data[5] = time.hour(); - msg.data[6] = time.minute(); - msg.data[7] = time.second(); - msg.data[8] = 1; - msg.data[9] = 1; - - send(msg); -} - -quint16 MetaWatch::calcCrc(const QByteArray &data, int size) -{ - quint16 remainder = 0xFFFF; - - for (int i = 0; i < size; i++) { - quint8 byte = data[i]; - byte = (bitRevTable[byte & 0xF] << 4) | bitRevTable[(byte & 0xF0) >> 4]; - remainder = crcTable[byte ^ (remainder >> 8)] ^ (remainder << 8); - } - - return remainder; -} - -quint16 MetaWatch::calcCrc(const Message& msg) -{ - QByteArray data; - const int msgSize = msg.data.size(); - - data.resize(msgSize + 4); - data[0] = 0x01; - data[1] = msgSize + 6; - data[2] = msg.type; - data[3] = msg.options; - data.replace(4, msgSize, msg.data); - - return calcCrc(data, msgSize + 4); -} - -void MetaWatch::send(const Message &msg) -{ - _toSend.enqueue(msg); - if (!_sendTimer->isActive()) { - _sendTimer->start(); - } -} - -void MetaWatch::handleMessage(const Message &msg) -{ - switch (msg.type) { - case StatusChangeEvent: - handleStatusChange(msg); - break; - case ButtonEvent: - handleButtonEvent(msg); - break; - default: - qWarning() << "Unknown message of type" << msg.type << "received"; - break; - } -} - -void MetaWatch::updateLine(Mode mode, const QImage& image, int line) -{ - Message msg(WriteBuffer, QByteArray(13, 0), (1 << 4) | (mode & 0xF)); - const char * scanLine = (const char *) image.constScanLine(line); - - msg.data[0] = line; - msg.data.replace(1, 12, scanLine, 12); - - send(msg); -} - -void MetaWatch::updateLines(Mode mode, const QImage& image, int lineA, int lineB) -{ - Message msg(WriteBuffer, QByteArray(26, 0), mode & 0xF); - const char * scanLine = (const char *) image.constScanLine(lineA); - - msg.data[0] = lineA; - msg.data.replace(1, 12, scanLine, 12); - - scanLine = (const char *) image.constScanLine(lineB); - msg.data[13] = lineB; - msg.data.replace(14, 12, scanLine, 12); - - send(msg); -} - -void MetaWatch::updateLines(Mode mode, const QImage& image, const QVector<bool>& lines) -{ - int lineCount = lines.count(true); - int lineA = -1; - - if (lineCount == 0) return; - - for (int line = 0; line < lines.size(); line++) { - if (lines[line]) { - lineCount--; -#if SINGLE_LINE_UPDATE - updateLine(mode, image, line); - continue; -#endif - if (lineA >= 0) { - // We have a pair of lines to send. - updateLines(mode, image, lineA, line); - lineA = -1; - } else if (lineCount > 0) { - // Still another line to send. - lineA = line; - } else { - updateLine(mode, image, line); - break; // No more lines - } - } - } -} - -void MetaWatch::configureWatchMode(Mode mode, int timeout, bool invert) -{ - Message msg(ConfigureMode, QByteArray(2, 0), mode & 0xF); - msg.data[0] = timeout; - msg.data[1] = invert ? 1 : 0; - send(msg); -} - -void MetaWatch::updateDisplay(Mode mode, bool copy) -{ - Message msg(UpdateDisplay, QByteArray(), - (copy ? 0x10 : 0) | (mode & 0xF)); - send(msg); -} - -void MetaWatch::loadTemplate(Mode mode, int templ) -{ - Message msg(LoadTemplate, QByteArray(1, templ), mode & 0xF); - send(msg); -} - -void MetaWatch::handleStatusChange(const Message &msg) -{ - qDebug() << "watch status changed" << msg.data.size(); -} - -void MetaWatch::handleButtonEvent(const Message &msg) -{ - if (msg.data.size() < 1) return; - quint8 button = msg.data[0]; - - emit buttonPressed(button); // TODO This is completely broken -} - -void MetaWatch::socketConnected() -{ - qDebug() << "connected"; - _partialReceived.type = NoMessage; - _partialReceived.data.clear(); - _buttonState = 0; - setDateTime(QDateTime::currentDateTime()); - configureWatchMode(ApplicationMode); - emit connected(); -} - -void MetaWatch::socketDisconnected() -{ - _toSend.clear(); - _sendTimer->stop(); - emit disconnected(); -} - -void MetaWatch::socketData() -{ - qint64 dataRead; - - if (_partialReceived.type == 0) { - if (_socket->bytesAvailable() < 4) return; /* Wait for more. */ - char header[4]; - - dataRead = _socket->read(header, 4); - if (dataRead < 4 || header[0] != 0x01) { - qWarning() << "TODO: Resync/Handle Garbage"; - return; - } - - _partialReceived.type = static_cast<MessageType>(header[2]); - _partialReceived.data.resize(header[1] - 6); - _partialReceived.options = header[3]; - } - if (_socket->bytesAvailable() < _partialReceived.data.size() + 2) { - return; /* Wait for more. */ - } - dataRead = _socket->read(_partialReceived.data.data(), _partialReceived.data.size()); - if (dataRead < _partialReceived.data.size()) { - qWarning() << "Short read"; - return; - } - - char tail[2]; - dataRead = _socket->read(tail, 2); - if (dataRead < 2) { - qWarning() << "Short read"; - return; - } - - quint16 realCrc = calcCrc(_partialReceived); - quint16 expectedCrc = tail[1] << 8 | (tail[0] & 0xFFU); - if (realCrc == expectedCrc) { - handleMessage(_partialReceived); - } else { - qWarning() << "CRC error?"; - } - - _partialReceived.data.clear(); - _partialReceived.type = NoMessage; -} - -void MetaWatch::socketError(QBluetoothSocket::SocketError error) -{ - qWarning() << "Socket error:" << error; -} - -void MetaWatch::socketState(QBluetoothSocket::SocketState error) -{ - qDebug() << "socket is in" << error; -} - -void MetaWatch::timedSend() -{ - if (_toSend.count() > 0) { - realSend(_toSend.dequeue()); - } - if (_toSend.count() == 0) { - _sendTimer->stop(); - } -} - -void MetaWatch::realSend(const Message &msg) -{ - const int msgSize = msg.data.size(); - QByteArray data; - quint16 crc; - - data.resize(msgSize + 6); - data[0] = 0x01; - data[1] = msgSize + 6; - data[2] = msg.type; - data[3] = msg.options; - data.replace(4, msgSize, msg.data); - crc = calcCrc(data, msgSize + 4); - data[msgSize+4] = crc & 0xFF; - data[msgSize+5] = crc >> 8; - - //qDebug() << "Sending" << data.toHex(); - - _socket->write(data); -} |