KeyBoard_QT/inc/keyboard_proto.h

#ifndef KEYBOARD_PROTO_H__
#define KEYBOARD_PROTO_H__

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

#include <pb_decode.h>
#include <pb_encode.h>

#include "KeyBorad/proto/keyboard.pb.h"

#define KEYBOARD_PROTO_MAX_BODY_SIZE   64U
#define KEYBOARD_PROTO_MAX_FRAME_SIZE  128U
#define KEYBOARD_PROTO_FUNCTION_BITMAP_SIZE 29U

enum keyboard_proto_transport {
	KEYBOARD_PROTO_TRANSPORT_CDC = 0,
	KEYBOARD_PROTO_TRANSPORT_GATT,
};

typedef bool (*keyboard_proto_send_body_fn)(
	const keyboard_cdc_CdcPacketBody *body,
	void *user_data);

bool keyboard_proto_encode_body(
	const keyboard_cdc_CdcPacketBody *body,
	uint8_t *buffer,
	size_t buffer_size,
	size_t *encoded_size);

bool keyboard_proto_decode_body(
	const uint8_t *buffer,
	size_t buffer_size,
	keyboard_cdc_CdcPacketBody *body);

bool keyboard_proto_encode_cdc_frame(
	uint32_t packet_type,
	const keyboard_cdc_CdcPacketBody *body,
	uint8_t *buffer,
	size_t buffer_size,
	size_t *encoded_size);

bool keyboard_proto_try_take_cdc_frame(
	uint8_t *buffer,
	size_t *buffer_size,
	keyboard_cdc_CdcFrame *frame);

bool keyboard_proto_build_function_key_event_body(
	uint16_t usage,
	bool pressed,
	keyboard_cdc_CdcPacketBody *body);

bool keyboard_proto_build_led_state_body(
	uint8_t led_mask,
	keyboard_cdc_CdcPacketBody *body);

bool keyboard_proto_handle_host_body(
	const keyboard_cdc_CdcPacketBody *body,
	enum keyboard_proto_transport transport,
	keyboard_proto_send_body_fn send_fn,
	void *user_data);

#endif /* KEYBOARD_PROTO_H__ */