Initial

1 files changed, 65 insertions, 0 deletions

diff --git a/include/device.h b/include/device.h
new file mode 100644
index 0000000..b2d83b5
--- /dev/null
+++ b/include/device.h
@@ -0,0 +1,65 @@
+#ifndef DEVICE_H
+#define DEVICE_H
+#include <chrono>
+#include <hidapi/hidapi.h>
+#include "inttypes.h"
+
+#define HID_REPORT_SIZE 65
+
+// TODO !! SEMAPHORE
+
+namespace device {
+enum class CommError 
+{
+	ERR_NO_ERROR = 0,
+	ERR_NOT_CONNECTED = -1,
+	ERR_WRONG_RESPONSE_CRC = -2,
+	ERR_SENDING = -3,
+	ERR_STATUS_NOT_OK = -4
+};
+
+class Device {
+public:
+	Device();
+
+	// lack of device is not actually an error,
+	// so it doesn't throw
+	virtual bool connect(); 
+
+	/*
+	 *	Sends packet of HID_REPORT_SIZE.
+	 */
+	virtual CommError send(const void *packet);
+
+	/*
+	 *	Gets packet of HID_REPORT_SIZE.
+	 *	Can sleep. See below.
+	 */
+	virtual CommError recv(void *packet);
+
+protected:
+	uint16_t m_vid;
+	uint16_t m_pid;
+
+	/*
+	 *	While the project uses Signal11 portable HIDAPI
+	 *	library, there's no way of doing it asynchronously,
+	 *	hence polling.
+	 */
+	int m_retry_count;
+	std::chrono::milliseconds m_retry_timeout;
+
+	hid_device *mp_devhandle;
+};
+
+class Stick10 : public Device {
+public:
+	Stick10();
+};
+
+class Stick20 : public Device {
+public:
+	Stick20();
+};
+}
+#endif