Implement dj::Receiver class

Again, many things were done here.
2020-06-19 03:58:00 -04:00
parent 47db60fad8
commit b41649b0de
18 changed files with 819 additions and 26 deletions
@@ -0,0 +1,125 @@
+#ifndef LOGID_BACKEND_DJ_RECEIVER_H
+#define LOGID_BACKEND_DJ_RECEIVER_H
+
+#include <cstdint>
+#include "../raw/RawDevice.h"
+#include "Report.h"
+#include "../hidpp/Report.h"
+#include "../hidpp10/Device.h"
+
+namespace logid {
+namespace backend {
+namespace dj
+{
+    class InvalidReceiver : public std::exception
+    {
+    public:
+        enum Reason
+        {
+            NoDJReports
+        };
+        explicit InvalidReceiver(Reason reason);
+        virtual const char* what() const noexcept;
+        Reason code() const noexcept;
+    private:
+        Reason _reason;
+    };
+
+    class Receiver
+    {
+    public:
+        explicit Receiver(std::string path);
+
+        enum DjEvents : uint8_t
+        {
+            DeviceDisconnection = 0x40,
+            DeviceConnection = 0x41,
+            ConnectionStatus = 0x42
+        };
+
+        enum DjCommands : uint8_t
+        {
+            SwitchAndKeepAlive = 0x80,
+            GetPairedDevices = 0x81
+        };
+
+        void enumerate();
+
+        /* The following functions deal with HID++ 1.0 features.
+         * While these are not technically DJ functions, it is redundant
+         * to have a separate hidpp10::Receiver class for these functions.
+         */
+
+        enum HidppEvents : uint8_t
+        {
+            // These events are identical to their DJ counterparts
+            // DeviceDisconnection = 0x40,
+            // DeviceConnection = 0x41,
+            LockingChange = 0x4a
+        };
+
+        enum HidppRegisters : uint8_t
+        {
+            EnableHidppNotifications = 0x00,
+            ConnectionState = 0x02,
+            DevicePairing = 0xb2,
+            DeviceActivity = 0xb3,
+            PairingInfo = 0xb5
+        };
+
+        struct notification_flags
+        {
+            bool device_battery_status;
+            bool receiver_wireless_notifications;
+            bool receiver_software_present;
+        };
+
+        notification_flags getHidppNotifications();
+        void enableHidppNotifications(notification_flags flags);
+
+        ///TODO: Understand output of this function
+        uint8_t getConnectionState(hidpp::DeviceIndex index);
+
+        void startPairing(uint8_t timeout = 0);
+        void stopPairing();
+        void disconnect(hidpp::DeviceIndex index);
+
+        std::map<hidpp::DeviceIndex, uint8_t> getDeviceActivity();
+
+        struct pairing_info
+        {
+            uint8_t destination_id;
+            uint8_t report_interval;
+            uint16_t pid;
+            uint8_t device_type; ///TODO: Create enum for DeviceType
+        };
+
+        struct extended_pairing_info
+        {
+            uint32_t serial_number;
+            uint8_t report_types[4];
+            uint8_t power_switch_location; ///TODO: Create enum
+        };
+
+        pairing_info getPairingInfo(hidpp::DeviceIndex index);
+        extended_pairing_info getExtendedPairingInfo(hidpp::DeviceIndex index);
+
+        std::string getDeviceName(hidpp::DeviceIndex index);
+
+        hidpp::DeviceIndex deviceConnectionEvent(hidpp::Report& report);
+        hidpp::DeviceIndex deviceDisconnectionEvent(hidpp::Report& report);
+
+        void handleDjEvent(dj::Report& report);
+        void handleHidppEvent(hidpp::Report& report);
+
+        void listen();
+    private:
+        void sendDjRequest(hidpp::DeviceIndex index, uint8_t function,
+                const std::vector<uint8_t>&& params);
+
+        std::shared_ptr<raw::RawDevice> raw_device;
+        hidpp10::Device _hidpp10_device;
+    };
+}}}
+
+#endif //LOGID_BACKEND_DJ_RECEIVER_H