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extend Fadecandy driver (#109)

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* add functions to send sysEx (not working correctly atm)

* make new values avail via config
This commit is contained in:
redPanther
2016-07-12 22:37:45 +02:00
committed by brindosch
parent 7b9b9bcdef
commit 48d20529d3
3 changed files with 120 additions and 16 deletions
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69
libsrc/leddevice/LedDeviceFadeCandy.cpp
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@@ -2,17 +2,20 @@
static const signed MAX_NUM_LEDS = 10000; // OPC can handle 21845 leds - in theory, fadecandy device should handle 10000 leds
static const unsigned OPC_SET_PIXELS = 0; // OPC command codes
static const unsigned OPC_SYS_EX = 255; // OPC command codes
static const unsigned OPC_HEADER_SIZE = 4; // OPC header size
LedDeviceFadeCandy::LedDeviceFadeCandy(const std::string& host, const uint16_t port, const unsigned channel) :
_host(host), _port(port), _channel(channel)
LedDeviceFadeCandy::LedDeviceFadeCandy(const Json::Value &deviceConfig)
{
setConfig(deviceConfig);
_opc_data.resize( OPC_HEADER_SIZE );
_opc_data[0] = channel;
_opc_data[0] = _channel;
_opc_data[1] = OPC_SET_PIXELS;
_opc_data[2] = 0;
_opc_data[3] = 0;
}
@@ -21,6 +24,31 @@ LedDeviceFadeCandy::~LedDeviceFadeCandy()
_client.close();
}
bool LedDeviceFadeCandy::setConfig(const Json::Value &deviceConfig)
{
_host = deviceConfig.get("output", "127.0.0.1").asString();
_port = deviceConfig.get("port", 7890).asInt();
_channel = deviceConfig.get("channel", 0).asInt();
_gamma = deviceConfig.get("gamma", 1.0).asDouble();
_noDither = ! deviceConfig.get("dither", false).asBool();
_noInterp = ! deviceConfig.get("interpolation", false).asBool();
_manualLED = deviceConfig.get("manualLed", false).asBool();
_ledOnOff = deviceConfig.get("ledOn", false).asBool();
_whitePoint_r = 1.0;
_whitePoint_g = 1.0;
_whitePoint_b = 1.0;
const Json::Value whitePointConfig = deviceConfig["whitePoint"];
if ( whitePointConfig.isArray() && whitePointConfig.size() == 3 )
{
_whitePoint_r = whitePointConfig[0].asDouble();
_whitePoint_g = whitePointConfig[1].asDouble();
_whitePoint_b = whitePointConfig[2].asDouble();
}
return true;
}
bool LedDeviceFadeCandy::isConnected()
{
@@ -33,7 +61,10 @@ bool LedDeviceFadeCandy::tryConnect()
if ( _client.state() == QAbstractSocket::UnconnectedState ) {
_client.connectToHost( _host.c_str(), _port);
if ( _client.waitForConnected(1000) )
{
sendFadeCandyConfiguration();
Info(_log,"fadecandy/opc: connected to %s:%i on channel %i", _host.c_str(), _port, _channel);
}
}
return isConnected();
@@ -88,3 +119,35 @@ int LedDeviceFadeCandy::switchOff()
return ( transferData()<0 ? -1 : 0 );
}
int LedDeviceFadeCandy::sendSysEx(uint8_t systemId, uint8_t commandId, QByteArray msg)
{
if ( isConnected() )
{
QByteArray sysExData;
ssize_t data_size = msg.size() + 4;
sysExData.resize( 4 + OPC_HEADER_SIZE );
sysExData[0] = 0;
sysExData[1] = OPC_SYS_EX;
sysExData[2] = data_size >>8;
sysExData[3] = data_size &0xff;
sysExData[4] = systemId >>8;
sysExData[5] = systemId &0xff;
sysExData[6] = commandId >>8;
sysExData[7] = commandId &0xff;
sysExData += msg;
return _client.write( sysExData, sysExData.size() );
}
return -1;
}
void LedDeviceFadeCandy::sendFadeCandyConfiguration()
{
QString data = "{\"gamma\": "+QString::number(_gamma,'g',4)+", \"whitepoint\": ["+QString::number(_whitePoint_r,'g',4)+", "+QString::number(_whitePoint_g,'g',4)+", "+QString::number(_whitePoint_b,'g',4)+"]}";
sendSysEx(1, 1, data.toLocal8Bit() );
char firmware_data = ((uint8_t)_noDither | ((uint8_t)_noInterp << 1) | ((uint8_t)_manualLED << 2) | ((uint8_t)_ledOnOff << 3) );
sendSysEx(1, 2, QByteArray(1,firmware_data) );
}