#pragma once


#include <stdint.h>

#define CS_INTERFACE					0x24
#define CS_ENDPOINT						0x25

#define CS_SUB_HEADER					0x00
#define CS_SUB_ACM						0x02
#define CS_SUB_UNION					0x06


#define CDC_DEVICE_CLASS				0x02
#define CDC_INTERFACE_CLASS				0x02
#define CDC_INTERFACE_SUBCLASS_ACM		0x02

#define CDC_INTERFACE_DATA_CLASS		0x0A

#define CDC_REQUEST_GETLINECODING		0x21
#define CDC_REQUEST_SETLINECODING		0x20
#define CDC_REQUEST_SETCONTROL_LINE_STATE	0x22
#define CDC_REQUEST_SENDBREAK			0x23

struct usb_cdc_linecoding
{
	uint32_t	dwDTERate;
	uint8_t		bCharFormat;
	uint8_t		bParityType;
	uint8_t		bDataBits;
};


struct usb_cdc_functional_header
{
	uint8_t		bFunctionLength;
	uint8_t		bDescriptorType;
	uint8_t		bDescriptorSubtype;

	uint16_t	bcdCDC;
};

struct usb_cdc_functional_acm
{
	uint8_t		bFunctionLength;
	uint8_t		bDescriptorType;
	uint8_t		bDescriptorSubtype;

	uint8_t		bmCapabilities;	
};

struct usb_cdc_functional_union
{
	uint8_t		bFunctionLength;
	uint8_t		bDescriptorType;
	uint8_t		bDescriptorSubtype;

	uint8_t		bControlInterface;
	uint8_t		bSubordinateInterface0;
};

struct usb_cdc_functional_union_interface
{
	uint8_t		bSubordinateInterface0;
};

typedef struct {
	union {
		uint16_t	value;
		struct {
			uint16_t	dtr:1;
			uint16_t	rts:1;
		};
	};
} cdc_linestate_t;

extern cdc_linestate_t	_usb_cdc;

int usb_cdc_setup_request(int endpoint,usb_device_request_t *request);