51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
// gKeyMapper daemon - raw USB HID access to the keyboard's vendor interface.
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#ifndef GKEYMAPPER_DAEMON_GKEY_DEVICE_H
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#define GKEYMAPPER_DAEMON_GKEY_DEVICE_H
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#include <cstdint>
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#include "device_tables.h"
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struct libusb_context;
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struct libusb_device_handle;
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namespace gkeymapper::daemon {
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class GKeyDevice {
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public:
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GKeyDevice() = default;
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~GKeyDevice();
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GKeyDevice(const GKeyDevice&) = delete;
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GKeyDevice& operator=(const GKeyDevice&) = delete;
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// Finds a supported keyboard, opens it and detaches the kernel driver from
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// the vendor interface. Returns false (and logs) if none is found.
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bool open();
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void close();
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bool is_open() const { return handle_ != nullptr; }
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// Sends the "stop mapping G-keys to F-keys" command if the model needs it.
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bool disable_binding();
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// Reads one interrupt report. Returns the number of bytes (>0), 0 on
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// timeout, or a negative value on error.
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int read_report(uint8_t* buffer, int length, int timeoutMs);
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const DeviceProfile* profile() const { return profile_; }
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private:
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bool find_endpoint();
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libusb_context* context_ = nullptr;
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libusb_device_handle* handle_ = nullptr;
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const DeviceProfile* profile_ = nullptr;
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uint8_t endpoint_ = 0;
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int claimed_interface_ = -1;
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bool detached_kernel_driver_ = false;
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};
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} // namespace gkeymapper::daemon
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#endif // GKEYMAPPER_DAEMON_GKEY_DEVICE_H
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