/*
   //*************************************************************************
   //
   //                  P H I L I P S   P R O P R I E T A R Y
   //
   //           COPYRIGHT (c)   1999 BY PHILIPS SINGAPORE.
   //                     --  ALL RIGHTS RESERVED  --
   //
   // File Name:	    CHAP_9.C
   // Author:           Hilbert Zhang ZhenYu
   // Created:          Oct. 1 99
   // Modified:
   // Revision: 		0.0.
   //
   //*************************************************************************
*/

#include <reg51.h>                /* special function register declarations   */

#undef   GLOBAL_EXT

#include "SysCnfg.h"
#include "BasicTyp.H"

#include "usb100.h"

#include "Common.h"
#include "Hal4Sys.h"
#include "Hal4d12.h"
#include "mainloop.h"
#include "chap_9.h"

/*
   //*************************************************************************
   // Public Data
   //*************************************************************************
*/

// bit Flags
STRUC_EXT BITFLAGS BDATA_SEG  bFlags;

// MCU Timer bit flags
BIT_EXT     MCUBF_Timer;
INT8_EXT   Hal4Sys_ClockTicks;

// D12 bit flags
BIT_EXT     D12BF_SetupOverwritten;
BIT_EXT     D12BF_Configuration;

//USB
// DefaultControlPipe Finite State Machine [One-Hot]
INT8_EXT BDATA_SEG DCPFSMstate;
BIT_EXT     DCPFSM_SetupProc;
BIT_EXT     DCPFSM_DataIn;
BIT_EXT     DCPFSM_DataOut;
BIT_EXT     DCPFSM_COhandshake;
BIT_EXT     DCPFSM_CIhandshake;
BIT_EXT     DCPFSM_Stall;
//      DCP FSM
//      SETUP Stage -> SETUP Proc -> DATA OUT Stage -> CONTROL OUT Handshake -> STATUS Stage -> IDLE
//      SETUP Stage -> SETUP Proc -> CONTROL OUT Handshake -> STATUS Stage -> IDLE
//      SETUP Stage -> SETUP Proc -> DATA IN Stage-> CONTROL IN Handshake ->STATUS Stage -> IDLE
//


// USB Device Request
STRUC_EXT   DEVICE_REQUEST DCPDeviceRequest;
INT8_EXT    UsbReq_Recipient;
INT8_EXT    UsbReq_Type;
INT8_EXT    UsbReq_Request;
BIT_EXT     REQBF_DCPRequest_dir;
BIT_EXT     REQBF_StallDCPRequest;
BIT_EXT     REQBF_DCPRequest_EPdir;


// Default Control Pipe Tansfer DCPXfer
INT8_EXT BDATA_SEG Xfer_Space;
BIT_EXT     DCPXfer_atMCUCODE;
BIT_EXT     DCPXfer_atMCURAM;
BIT_EXT     DCPXfer_atEEROM;
BIT_EXT     DCPXfer_atATA;

INT16_EXT  DCPXfer_wResidue;
INT8_EXT   * DCPXfer_pData;

// Bulk-Only TP Finite State Machine [One-Hot]
INT8_EXT BDATA_SEG BOTFSMstate;
BIT_EXT     BOTFSM_CBWProc;
BIT_EXT     BOTFSM_DataIn;
BIT_EXT     BOTFSM_DataOut;
BIT_EXT     BOTFSM_CSWProc;
BIT_EXT     BOTFSM_CSW;
BIT_EXT     BOTFSM_IDLE;
BIT_EXT     BOTFSM_Stall;
//      BOT FSM
//      IDLE Stage ->  CBW -> CBW Proc -> DATA OUT Stage -> CSW Proc -> CSW Stage -> IDLE
//      IDLE Stage ->  CBW -> CBW Proc -> DATA IN Stage -> CSW Proc -> CSW Stage -> IDLE
//      STALL Stage ->  IDLE
//
BIT_EXT     BOTBF_StallAtBulkOut;
BIT_EXT     BOTBF_StallAtBulkIn;

BIT_EXT     BOTXfer_atRAM;
BIT_EXT     BOTXfer_atATA;
BIT_EXT     BOTXfer_atROM;


/*
//*************************************************************************
//  Public temp var
//*************************************************************************
*/

//  Public temp var
STRUC_EXT   FLEXI_INT32 tempvars4UsbReq;
INT8_EXT BDATA_SEG FlexByte;
BIT_EXT     FlexByte_b0 ;
BIT_EXT     FlexByte_b1;
BIT_EXT     FlexByte_b2;
BIT_EXT     FlexByte_b3;
BIT_EXT     FlexByte_b4;
BIT_EXT     FlexByte_b5;
BIT_EXT     FlexByte_b6;
BIT_EXT     FlexByte_b7;


/*
   //*************************************************************************
   // Private temp var
   //*************************************************************************
*/

/*
   //*************************************************************************
   // USB Device Descriptor
   //*************************************************************************
*/
//設備描述符
code USB_DEVICE_DESCRIPTOR DeviceDescr =
{
	sizeof(USB_DEVICE_DESCRIPTOR),         // 設備描述符長度
	USB_DEVICE_DESCRIPTOR_TYPE,            // 設備描述符類型=01
	SWAP(0x0100),                          // 協議版本
    0,                                     // 測試設備類型
	0,                                     // 設備子類
    0,                                     // 設備協議
	EP0_PACKET_SIZE,                       // 端點0最大數據包大小，=10H
   
    SWAP(0x0693),
    SWAP(0x0003),

    SWAP(0x0100),               // 設備系列號
    STR_INDEX_MANUFACTURER,     // 廠商描述符字符串索引,=01H
	STR_INDEX_PRODUCT,          // 產品描述符字符串索引,=02H
	STR_INDEX_SERIALNUMBER,     // 設序列號字符串索引,=03H
    1                           // 可能備置數
};

#define NUM_ENDPOINTS	2         //定義除主控端點外的端點數

#define CONFIG_DESCRIPTOR_LENGTH    (sizeof(USB_CONFIGURATION_DESCRIPTOR) + sizeof(USB_INTERFACE_DESCRIPTOR) + (NUM_ENDPOINTS * sizeof(USB_ENDPOINT_DESCRIPTOR)))

//設備配置描述符
code USB_CONFIGURATION_DESCRIPTOR ConfigDescr =
{
    sizeof(USB_CONFIGURATION_DESCRIPTOR),
    USB_CONFIGURATION_DESCRIPTOR_TYPE,      // 類型，=02H
    SWAP(CONFIG_DESCRIPTOR_LENGTH),         // 返回整個數據長度。包括該配置所返回的所有描述符（配置、接口、端點和類型或供應商）=20H
	1,                                      // 配置所支持的接口數
	1,                                      // 作為Set Configuration 的一個參數選擇配置值 
    0,      //STR_INDEX_CONFIGURATION,      // 用于描述該配置字符串描述符的索引
	0x80,                                   // 配置特性：總線供電
	0x32     // zero power consumption
};

//接口描述符
code USB_INTERFACE_DESCRIPTOR InterfaceDescr =
{
    sizeof(USB_INTERFACE_DESCRIPTOR),
    USB_INTERFACE_DESCRIPTOR_TYPE,              // 接口描述符類型0x04
    0,                                          // 接口數，只有1個
    0,                                          // 可選配置，只有1個
	NUM_ENDPOINTS,                              // 除端點0的端點過索引數目，=02H
    
    //0xdc,0x0a,0xb0,//調試模式	
	USB_CLASS_CODE_MASSSTORAGE_CLASS_DEVICE,    // 類型代號（由USB指定），=08H
	USB_SUBCLASS_CODE_SCSI,                     // 子類型代碼（由USB指定）=06H
	USB_PROTOCOL_CODE_BULK,                     // 協議代碼（由廠商指定）=50H 
    0                                           // 字符串描述符索引
};


// 端點2發送描述符
code USB_ENDPOINT_DESCRIPTOR EP1_TXDescr =
{
	sizeof(USB_ENDPOINT_DESCRIPTOR),
	USB_ENDPOINT_DESCRIPTOR_TYPE,          // 端點描述符類型，=05H
	0x82,                                  // 端點2 IN
	USB_ENDPOINT_TYPE_BULK,                // 端點屬性為批量，=02H
	SWAP(EP2_PACKET_SIZE),                 // 端點發送的最大數據包64
	0                                      // 傳輸間隔時間(批量傳輸該值無效)
};


//端點2接收描述符
code USB_ENDPOINT_DESCRIPTOR EP2_RXDescr =
{
	sizeof(USB_ENDPOINT_DESCRIPTOR),   
	USB_ENDPOINT_DESCRIPTOR_TYPE,        // 端點描述符類型，=05H
	0x2,                                 // 端點2 OUT
	USB_ENDPOINT_TYPE_BULK,              // 端點屬性為批量，=02H
	SWAP(EP2_PACKET_SIZE),               // 端點發送的最大數據包64
	0                                    // 傳輸間隔時間(批量傳輸該值無效)
};


//設備代碼
code USB_STRING_LANGUAGE_DESCRIPTOR  strLanguage =
{
	sizeof(USB_STRING_LANGUAGE_DESCRIPTOR),
	USB_STRING_DESCRIPTOR_TYPE,
	//SWAP(0x0409)
	SWAP(0x0410)
};


//廠商描述符
code USB_STRING_MANUFACTURER_DESCRIPTOR  strManufacturer =
{
	sizeof(USB_STRING_MANUFACTURER_DESCRIPTOR),
	USB_STRING_DESCRIPTOR_TYPE,
	{
	'P', 0,
	'h', 0,
	'i', 0,
	'l', 0,
	'i', 0,
	'p', 0,
	's', 0,
	' ', 0,
	'A', 0,
	'P', 0,
	'I', 0,
	'C', 0}
};


//產品描述符
code USB_STRING_PRODUCT_DESCRIPTOR  strProduct =
{
	sizeof(USB_STRING_PRODUCT_DESCRIPTOR),
	USB_STRING_DESCRIPTOR_TYPE,
	{
	'U', 0,
	'S', 0,
	'B', 0,
	'-', 0,
	'I', 0,
	'D', 0,
	'E', 0,
	' ', 0,
	'A', 0,
	'd', 0,
	'a', 0,
	'p', 0,
	't', 0,
	'e', 0,
    'r', 0}
};


//設備出廠編碼
code USB_STRING_SERIALNUMBER_DESCRIPTOR  strSerialNum =
{
	sizeof(strSerialNum),
	USB_STRING_DESCRIPTOR_TYPE,
   {
	'0',0,
	'0',0,
	'0',0,
	'0',0,

	'0',0,
	'0',0,
	'0',0,
	'0',0,

	'0',0,
	'0',0,
	'0',0,
	'1',0}
};


/*
   //*************************************************************************
   // USB standard device requests
   //*************************************************************************
*/
void Chap9_SetAddress(void)
{
    Hal4D12_SetAddressEnable((INT8)(DCPDeviceRequest.wValue &
	    DEVICE_ADDRESS_MASK), 1);
    Chap9sup_SingleTransmitEP0(0,0);
}


void Chap9_GetInterface(void)
{
	tempvars4UsbReq.chars.tx0 = 0;        /* Only/Current interface = 0 */
    Chap9sup_SingleTransmitEP0(&tempvars4UsbReq.chars.tx0,1);
}