void FCDevice::writeFirmwareConfiguration(const Value &config)
{
/*
* Send a device configuration settings packet, using values based on a JSON
* configuration.
*/
if (!config.IsObject()) {
std::clog << "Firmware configuration is not a JSON object\n";
return;
}
const Value &led = config["led"];
const Value &dither = config["dither"];
const Value &interpolate = config["interpolate"];
if (!(led.IsTrue() || led.IsFalse() || led.IsNull())) {
std::clog << "LED configuration must be true (always on), false (always off), or null (default).\n";
}
mFirmwareConfig.data[0] =
(led.IsNull() ? 0 : CFLAG_NO_ACTIVITY_LED) |
(led.IsTrue() ? CFLAG_LED_CONTROL : 0) |
(dither.IsFalse() ? CFLAG_NO_DITHERING : 0) |
(interpolate.IsFalse() ? CFLAG_NO_INTERPOLATION : 0) ;
writeFirmwareConfiguration();
}
void FCDevice::writeMessage(Document &msg)
{
/*
* Dispatch a device-specific JSON command.
*
* This can be used to send frames or settings directly to one device,
* bypassing the mapping we use for Open Pixel Control clients. This isn't
* intended to be the fast path for regular applications, but it can be used
* by configuration tools that need to operate regardless of the mapping setup.
*/
const char *type = msg["type"].GetString();
if (!strcmp(type, "device_options")) {
/*
* TODO: Eventually this should turn into the same thing as
* loadConfiguration() and it shouldn't be device-specific,
* but for now most of fcserver assumes the configuration is static.
*/
writeFirmwareConfiguration(msg["options"]);
return;
}
if (!strcmp(type, "device_pixels")) {
// Write raw pixels, without any mapping
writeDevicePixels(msg);
return;
}
// Chain to default handler
USBDevice::writeMessage(msg);
}
void FCDevice::loadConfiguration(const Value &config)
{
mConfigMap = findConfigMap(config);
// Initial firmware configuration from our device options
writeFirmwareConfiguration(config);
}
void FCDevice::opcSetFirmwareConfiguration(const OPCSink::Message &msg)
{
/*
* Raw firmware configuration packet
*/
memcpy(mFirmwareConfig.data, msg.data + 4, std::min<size_t>(sizeof mFirmwareConfig.data, msg.length() - 4));
writeFirmwareConfiguration();
}
void FCDevice::configureDevice(const Value &config)
{
/*
* Send a device configuration settings packet, using the default values in our
* JSON config file. This can be overridden over OPC later on.
*/
const Value &led = config["led"];
if (!(led.IsTrue() || led.IsFalse() || led.IsNull())) {
std::clog << "LED configuration must be true (always on), false (always off), or null (default).\n";
}
mFirmwareConfig.data[0] =
(led.IsNull() ? 0 : CFLAG_NO_ACTIVITY_LED) |
(led.IsTrue() ? CFLAG_LED_CONTROL : 0) ;
writeFirmwareConfiguration();
}
