/*
 * ltcusb_init.c
 *
 *  Created on: 23-Aug-2023
 *      Author: Satyam
 */

#include "ltcusb.h"
#include "descriptor.h"
#include "usb_reset_seq.h"
#include "device_soft_rst.h"
#include "initialization_on_USB_reset.h"
#include "Initialization_on_Connect_Done.h"
#include "event_fifo.h"

int ltcusb_init()
{
	//Device Descriptor
	device_descriptor_data.bLength = 0x12;
	device_descriptor_data.bDescriptorType = 0x01;
	device_descriptor_data.bcdUSB = 0x0200;
	device_descriptor_data.bDeviceClass = 0xFF;
	device_descriptor_data.bDeviceSubClass = 0xFF;
	device_descriptor_data.bDeviceProtocol = 0xFF;
	device_descriptor_data.bMaxPacketSize0 = 0x40;
	device_descriptor_data.idVendor = 0x2AC1;
	device_descriptor_data.idProduct = 0x20C8;
	device_descriptor_data.bcdDevice = 0x0600;
	device_descriptor_data.iManufacturer = 0x01;
	device_descriptor_data.iProduct = 0x02;
	device_descriptor_data.iSerialNumber = 0x03;
	device_descriptor_data.bNumConfigurations = 0x01;

	//Configuration Descriptor
	config_descriptor_data.bLength = 0x09;
	config_descriptor_data.bDescriptorType = 0x02;
	config_descriptor_data.wTotalLength = 0x002e;
	config_descriptor_data.bNumInterfaces = 0x01;
	config_descriptor_data.bConfigurationValue = 0x01;
	config_descriptor_data.iConfiguration = 0x00;
	config_descriptor_data.bmAttributes = 0xc0;
	config_descriptor_data.bMaxPower = 0xfa;

	//Interface Descriptor
	interface_descriptor_data.bLength = 0x09;
	interface_descriptor_data.bDescriptorType = 0x04;
	interface_descriptor_data.bInterfaceNumber = 0x00;
	interface_descriptor_data.bAlternateSetting = 0x00;
	interface_descriptor_data.bNumEndpoints = 0x04;
	interface_descriptor_data.bInterfaceClass = 0xff;
	interface_descriptor_data.bInterfaceSubClass = 0xff;
	interface_descriptor_data.bInterfaceProtocol = 0xff;
	interface_descriptor_data.iInterface = 0x00;

	//Endpoint Descriptor
	endpoint_descriptor_bin_1_data.bLength = 0x07;
	endpoint_descriptor_bin_1_data.bDescriptorType = 0x05;
	endpoint_descriptor_bin_1_data.bEndpointAddress = 0x81;
	endpoint_descriptor_bin_1_data.bmAttributes = 0x02;
	if(USB_SPEED == high_speed_usb)
	{
		endpoint_descriptor_bin_1_data.wMaxPacketSize = 0x0200;
	}
	else
	{
		endpoint_descriptor_bin_1_data.wMaxPacketSize = 0x0040;
	}
	endpoint_descriptor_bin_1_data.bInterval = 0x00;


	endpoint_descriptor_bout_1_data.bLength = 0x07;
	endpoint_descriptor_bout_1_data.bDescriptorType = 0x05;
	endpoint_descriptor_bout_1_data.bEndpointAddress = 0x01;
	endpoint_descriptor_bout_1_data.bmAttributes = 0x02;

	if(USB_SPEED == high_speed_usb)
	{
		endpoint_descriptor_bout_1_data.wMaxPacketSize = 0x0200;
	}
	else
	{
		endpoint_descriptor_bout_1_data.wMaxPacketSize = 0x0040;
	}
	endpoint_descriptor_bout_1_data.bInterval = 0x00;


	endpoint_descriptor_iin_5_data.bLength = 0x07;
	endpoint_descriptor_iin_5_data.bDescriptorType = 0x05;
	endpoint_descriptor_iin_5_data.bEndpointAddress = 0x85;
	endpoint_descriptor_iin_5_data.bmAttributes = 0x03;

	if(USB_SPEED == high_speed_usb)
	{
		endpoint_descriptor_iin_5_data.wMaxPacketSize = 0x0400;
	}
	else
	{
		endpoint_descriptor_iin_5_data.wMaxPacketSize = 0x0040;
	}

	endpoint_descriptor_iin_5_data.bInterval = 0x00;


	endpoint_descriptor_iout_5_data.bLength = 0x07;
	endpoint_descriptor_iout_5_data.bDescriptorType = 0x05;
	endpoint_descriptor_iout_5_data.bEndpointAddress = 0x05;
	endpoint_descriptor_iout_5_data.bmAttributes = 0x03;

	if(USB_SPEED == high_speed_usb)
	{
		endpoint_descriptor_iout_5_data.wMaxPacketSize = 0x0400;
	}
	else
	{
		endpoint_descriptor_iout_5_data.wMaxPacketSize = 0x0040;
	}

	endpoint_descriptor_iout_5_data.bInterval = 0x00;

	//device_qualifier_descriptor
	device_qualifier_descriptor_data.bLength = 0x0A;
	device_qualifier_descriptor_data.bDescriptorType= 0x06;
	device_qualifier_descriptor_data.bcdUSB = 0x0200;
	device_qualifier_descriptor_data.bDeviceClass = 0x00;
	device_qualifier_descriptor_data.bDeviceSubClass = 0x00;
	device_qualifier_descriptor_data.bDeviceProtocol = 0x00;
	device_qualifier_descriptor_data.bMaxPacketSize0 = 0x08;
	device_qualifier_descriptor_data.bNumConfigurations = 0x01;
	device_qualifier_descriptor_data.bReserved = 0x00;

	//string_language_descriptor
	string_language_descriptor_data.bLength = 0x04;
	string_language_descriptor_data.bDescriptorType = 0x03;
	string_language_descriptor_data.wLANGID_0 = 0x0409;


	int result = 0;

	//USB Reset Sequence
	result = usb_reset_seq();

	if(result)
	{
		return result;
	}

	//Power on and Soft Reset Sequence
	result = device_power_on_soft_rst();

	if(result)
	{
		return result;
	}

//	//USB Reset Event Sequence
//	result = event_while(device_event_USBRst,0,0);
//
//	if(result)
//	{
//		return result;
//	}
//
//	result = Initialization_on_USB_Reset();
//
//	if(result)
//	{
//		return result;
//	}
//
//	//USB Connect Done Event Sequence
//	result = event_while(device_event_ConnectDone,0,0);
//
//	if(result)
//	{
//		return result;
//	}
//
//	result = Initialization_onConnect_Done();
//
//	if(result)
//	{
//		return result;
//	}

	return 0;
}