Noolite::sendCommand was implemented

src/libusbdevice.cpp

@@ -6,11 +6,13 @@
 namespace noolitelib
 {
 
+constexpr auto DefaultTimeout = 1000;
+
 LibUsbDevice::LibUsbDevice()
 {
     auto status = libusb_init(&m_context);
     if (status) {
-        std::cout << "Error initializing context: " << libusb_strerror(status) << std::endl;
+        std::cerr << "Error initializing context: " << libusb_strerror(status) << std::endl;
     }
 }
 
@@ -33,10 +35,10 @@ void LibUsbDevice::close()
     }
 }
 
-bool LibUsbDevice::sendDataToDevice(const Data &data, std::chrono::milliseconds timeout)
+bool LibUsbDevice::sendDataToDevice(const Data &data)
 {
     if (!m_device) {
-        std::cout << "Device not opened" << std::endl;
+        std::cerr << "Device not opened" << std::endl;
     }
 
     auto requestType = LIBUSB_ENDPOINT_OUT | LIBUSB_REQUEST_TYPE_CLASS | LIBUSB_RECIPIENT_INTERFACE;
@@ -45,10 +47,10 @@ bool LibUsbDevice::sendDataToDevice(const Data &data, std::chrono::milliseconds
     unsigned char package[data.size()];
     std::copy(data.begin(), data.end(), package);
 
-    auto status = libusb_control_transfer(m_device, requestType, request, 0, 0, package, data.size(), timeout.count());
+    auto status = libusb_control_transfer(m_device, requestType, request, 0, 0, package, data.size(), DefaultTimeout);
 
     if (status) {
-        std::cout << "Sending data error: " << libusb_strerror(status) << std::endl;
+        std::cerr << "Sending data error: " << libusb_strerror(status) << std::endl;
         return false;
     }
 

src/libusbdevice.h

@@ -17,7 +17,7 @@ public:
 
     void openDevice(uint16_t vendorId, uint16_t productId) override;
     void close() override;
-    bool sendDataToDevice(const Data &data, std::chrono::milliseconds timeout = std::chrono::seconds(1)) override;
+    bool sendDataToDevice(const Data &data) override;
 
 private:
     libusb_context *m_context = nullptr;

src/noolite.cpp

@@ -13,6 +13,17 @@ constexpr auto PID = 0x05df;
 
 }
 
+namespace
+{
+
+constexpr char WorkMode = 0;
+constexpr char Bitrate = 2;
+constexpr char Repeats = 2;
+
+constexpr auto Mode = (Repeats << 5 | Bitrate << 3 | WorkMode);
+
+}
+
 Noolite::Noolite(IUsbDevice *device) :
     m_device(device ? device : new LibUsbDevice())
 {
@@ -25,14 +36,32 @@ Noolite::~Noolite()
     delete m_device;
 }
 
-bool Noolite::sendCommand(int channel, Command command, Params params)
+bool Noolite::sendCommand(unsigned char channel, Command command, const Params &params)
 {
-    (void) channel;
-    (void) command;
-    (void) params;
+    auto data = composeCommand(channel, command, params);
+
+    if (data) {
+        return m_device->sendDataToDevice(data.value());
+    }
 
     return false;
 }
 
+std::optional<Data> Noolite::composeCommand(unsigned char channel, Command command, const Params &params) const
+{
+    if (noolitelib::Set == command && !(params.size() == 1 || params.size() == 3)) {
+        return {};
+    }
+
+    unsigned char format = (noolitelib::Set == command) ? params.size() : (command > noolitelib::Bind ? 0x04: 0x00);
+
+    Data res { Mode, static_cast<unsigned char>(command), format, 0x0, channel, 0x0, 0x0, 0x0 };
+    for (int i = 0; i < params.size(); ++i) {
+        res[5 + i] = params[i];
+    }
+
+    return res;
+}
+
 }
 

src/noolite.h

@@ -2,6 +2,7 @@
 #define NOOLITE_H
 
 #include <vector>
+#include <optional>
 
 #include "interfaces/iusbdevice.h"
 
@@ -37,10 +38,12 @@ public:
     Noolite(IUsbDevice *device = nullptr);
     ~Noolite();
 
-    bool sendCommand(int channel, Command command, Params params = Params());
+    bool sendCommand(unsigned char channel, Command command, const Params &params = Params());
 
 private:
     IUsbDevice *m_device;
+
+    std::optional<Data> composeCommand(unsigned char channel, Command command, const Params &params) const;
 };
 
 }