Print version number of device 1 on each raw dev.

Only works on HID++ >=2.0 so far. Also solves a race condition where the wrong response can be sent to a request.
2020-06-18 01:34:25 -04:00
parent 14d07c220e
commit c21a923ab2
19 changed files with 518 additions and 123 deletions
@@ -0,0 +1,39 @@
+#ifndef LOGID_BACKEND_HIDPP20_ERROR_H
+#define LOGID_BACKEND_HIDPP20_ERROR_H
+
+#include <stdexcept>
+#include <cstdint>
+
+namespace logid {
+namespace backend {
+namespace hidpp20 {
+    static constexpr uint8_t ErrorID = 0xFF;
+
+    class Error: public std::exception
+    {
+    public:
+        enum ErrorCode: uint8_t {
+            NoError = 0,
+            Unknown = 1,
+            InvalidArgument = 2,
+            OutOfRange = 3,
+            HardwareError = 4,
+            LogitechInternal = 5,
+            InvalidFeatureIndex = 6,
+            InvalidFunctionID = 7,
+            Busy = 8,
+            Unsupported = 9,
+            UnknownDevice = 10
+        };
+
+        Error(uint8_t code);
+
+        virtual const char* what() const noexcept;
+        uint8_t code() const noexcept;
+
+    private:
+        uint8_t _code;
+    };
+}}}
+
+#endif //LOGID_BACKEND_HIDPP20_ERROR_H