Adding K30 Support

K30Device.cpp

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2016 Clément Vuchener
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "K30Device.h"
+
+K30Device::K30Device (libusb_device *dev):
+	CorsairDevice (dev, sizeof (K30Status))
+{
+}
+
+unsigned int K30Device::getBacklightBrightness ()
+{
+	std::vector<uint8_t> raw_status = getRawStatus ();
+	K30Status *status = reinterpret_cast<K30Status *> (raw_status.data ());
+	return status->backlight_brightness;
+}
+
+void K30Device::setBacklightBrightness (unsigned int brightness)
+{
+	int ret;
+	if (brightness > 3)
+		brightness = 3;
+	ret = libusb_control_transfer (_dev, RequestOutType, SetBacklightBrightness,
+				       brightness << 8, 0, nullptr, 0, 0);
+	if (ret < 0) {
+		throw std::runtime_error (libusb_error_name (ret));
+	}
+}
+
+unsigned int K30Device::getCurrentProfile ()
+{
+	std::vector<uint8_t> raw_status = getRawStatus ();
+	K30Status *status = reinterpret_cast<K30Status *> (raw_status.data ());
+	return status->current_profile;
+}
+
+Color K30Device::getProfileColor (unsigned int profile_index)
+{
+	throw FeatureNotSupported ();
+}
+
+void K30Device::setProfileColor (unsigned int profile_index, Color color)
+{
+	throw FeatureNotSupported ();
+}
+

K30Device.h

@@ -0,0 +1,58 @@
+/*
+ * Copyright 2016 Clément Vuchener
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef K30_DEVICE_H
+#define K30_DEVICE_H
+
+#include "CorsairDevice.h"
+
+class K30Device: public CorsairDevice
+{
+public:
+	K30Device (libusb_device *dev);
+
+	virtual unsigned int getBacklightBrightness ();
+	virtual void setBacklightBrightness (unsigned int brightness);
+
+	virtual unsigned int getCurrentProfile ();
+
+	virtual Color getProfileColor (unsigned int profile_index);
+	virtual void setProfileColor (unsigned int profile_index, Color color);
+
+private:
+	enum K30Request: uint8_t {
+		SetBacklightBrightness = 48,
+		SetBacklightColor = 51,
+		SetBacklightColorMode = 56,
+		SetBacklightAnimation = 49,
+		DoCycleAnimation = 52,
+	};
+
+	struct K30Status {
+		uint8_t unk1;
+		uint8_t backlight_brightness;
+		uint8_t unk2[2];
+		Color color;
+		uint8_t current_profile;
+		uint8_t unk3;
+		uint8_t color_mode;
+	} __attribute__ ((packed));
+};
+
+#endif
+

Makefile

@@ -9,6 +9,7 @@ SRC= \
 	CorsairDevice.cpp \
 	K90Device.cpp \
 	K40Device.cpp \
+	K30Device.cpp \
 	JsonMacros.cpp \
 	KeyUsage.cpp \
 	main.cpp

README.md

@@ -4,6 +4,7 @@ Corsair USB configuration tool
 This is configuration tool for Corsair gaming keyboards using the older USB protocol (not the newer using pure HID configuration, e.g. RGB keyboards, supported by [ckb](https://github.com/ccMSC/ckb)). Currently supported devices are:
  - Vengeance K90
  - Raptor K40
+ - Raptor K30
 
 Compilation
 -----------

main.cpp

@@ -19,6 +19,7 @@
 #include "CorsairDevice.h"
 #include "K90Device.h"
 #include "K40Device.h"
+#include "K30Device.h"
 
 #include "KeyUsage.h"
 #include "JsonMacros.h"
@@ -42,6 +43,7 @@ constexpr uint16_t CORSAIR_VENDOR_ID = 0x1b1c;
 enum ProductID: uint16_t {
 	CORSAIR_K90_ID = 0x1b02,
 	CORSAIR_K40_ID = 0x1b0e,
+	CORSAIR_K30_ID = 0x1b0a,
 };
 
 struct DeviceInfo {
@@ -56,6 +58,10 @@ struct DeviceInfo {
 		{ CORSAIR_K40_ID },
 		[] (libusb_device *dev) { return new K40Device (dev); }
 	},
+	{
+		{ CORSAIR_K30_ID },
+		[] (libusb_device *dev) { return new K30Device (dev); }
+	},
 };
 
 static const char *usage = R"(Usage: %s [options] command