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📄 复件 d12int.h

📁 44b0+PDIUSBD12开发的USB鼠标源代码
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#include "D12Def.h" 
#include "UsbDesc.h"
 
#include "Terminal.h"

#define	STATUS_ERR	1
#define	STATUS_OK	0

static U8 usb_remote_wake;
static U8 usb_config;
static U8 UsbSendDescF;

static int send_remain;
static U32 send_ptr;

//void Delay(U32 Time);

U8 UsbInit()
{
	UsbSendDescF = 0;

	if(D12RdChipId()!=0x1210 ){
		return STATUS_ERR;
	}

	D12SetDma(MyD12DmaCfg);
	if(D12GetDma()!=MyD12DmaCfg){
		Tmn_StatusPrintStr("ERROR in D12Int!");
		return STATUS_ERR;
	}

	D12SetMode(MyD12EpCfgOff, D12Pll24M);
	UDelay(100);/********!!!!!!!!!!!!!!!!!!!!!!*********/
	D12SetMode(MyD12EpCfgOn, D12Pll24M);

	return STATUS_OK;
}

///////////////////////////////

#define	UsbDevDescType	1
#define	UsbCfgDescType	2
#define	UsbStrDescType	3
#define	UsbItfDescType	4
#define	UsbEndpDescType	5
#define	UsbPwrDescType	6

#define	UsbDevDescSize	18
#define	UsbCfgDescSize	9
#define	UsbItfDescSize	9
#define	UsbEndpDescSize	7

#define	UsbEndpControl		0
#define	UsbEndpIsochronous	1
#define	UsbEndpBulk			2
#define	UsbEndpInterrupt	3	

////////////////////////////////////////

#define	UsbClassMassStorage	8

#define	UsbSubClassRbc		1
#define	UsbSubClassSff8020i	2
#define	UsbSubClassQic157	3
#define	UsbSubClassUfi		4
#define	UsbSubClassSff8070i	5
#define	UsbSubClassScsi		6

#define	UsbProtocolCbi0	0
#define	UsbProtocolCbi1	1
#define	UsbProtocolBulk	0x50
////////////////////////////////////////

#define	Ep0PacketSize	16	//Ep0一次最大可发送16字节
#define	Ep2PacketSize	64  //Ep2一次最大可发送64字节
#define	EndpCnt	4
#define	UsbTotalCfgDescSize	UsbCfgDescSize+UsbItfDescSize+EndpCnt*UsbEndpDescSize
static __packed struct{		
	UsbDevDesc DevDesc;
	U8 CfgDesc[9];
	U8 ItfDesc[9];
	U8 EndpDesc[7];
	U8 HIDDesc[9];
	U8 ReportDesc[50];

}ThisDevDesc =
				{
					{					//设备描述符
						UsbDevDescSize,
						UsbDevDescType,
						0x0100,			//bcdUSB(USB版本号)**************
						0, 0, 0,		//bDeviceClass,bDeviceSubClass,bDeviceProtocol
						Ep0PacketSize,//*****************
						0x471,			//idVendor
						0x222,			//idProduct
						0x113,			//bcdDevice(设备出场编号)
						1, 0, 2,		//iMannufacture,iProduct,iSerialNumber,
						1				//bNumConfiguration
					},
					{					//配置描述符
						UsbCfgDescSize,
						UsbCfgDescType,
						0x22, 0,//wTotalLength
						1,				//bNumInterface
						1,				//bConfigurationValue
						4,  			//iConfiguration
						0x80,			//bmAttributes(供电模式选择) |7|	　 |6|		|5|		　|4 0|
						0x32			//MaxPower				/*保留恒为一　自供电　远程唤醒　无意义恒为零*/　　
					},
					{					//接口描述符
						UsbItfDescSize,
						UsbItfDescType,
						0,				//bInterfaceNumber(该接口编号)
						0,				//bAlternateSetting(备用的接口描述符编号)
						1,		//EndpCnt=2, bNumEndpoints(不包括端点０)
						3,//bInterfaceClass
						1,		//bInterfaceSubClass
						2,//bInterfaceProtocol
						5				//iInterface
					},
					{					//端点描述符
						UsbEndpDescSize,
						UsbEndpDescType,//					   |7|	    |654|	　|3 0|
						0x81,			//bEndpointAdrress 方向(1 OUT) 保留为０　端口号
						3,	//bmAttributes	|7..2|					　|10|	
						Ep2PacketSize,0,//wMaxPacketSize 保留　00控制传输,01同步传输,10批量传输,11中断传输　　
						0x0a				//bInterval 中断端点－轮询间隔,同步端点－固定为1,批量控制端点忽略该字段
					},
					{
						9,0x21,0,1,0,
						1,0x22,50,0
					},
					{
						5,1,9,2,0xa1,1,9,1,
						0xa1,0,5,9,0x19,1,0x29,3,
						0x15,0,0x25,1,0x95,3,0x75,1,
						0x81,2,0x95,1,0x75,5,0x81,1,
						5,1,9,0x30,	9,0x31,0x15,0x81,
						0x25,0x7f,0x75,8,
						0x95,2,0x81,6,0xc0,0xc0,			
					}
									
				};

/****************** standard device request ****************/
U8 UsbGetStatus(U8 *SetupPkt)
{
	if(SetupPkt[2]|SetupPkt[3]|SetupPkt[5]|SetupPkt[7])
		return 1;
	if(SetupPkt[6]!=2)
		return 1;
	if(SetupPkt[0]==0x80)
	{
		if(SetupPkt[4])
			return 1;
		SetupPkt[0] = usb_remote_wake?2:1;//猜想1:0是措的;
		SetupPkt[1] = 0;
	}
	else
	if(SetupPkt[0]==0x81)
	{
		if(SetupPkt[4])
			return 1;
		SetupPkt[0] = 0;
		SetupPkt[1] = 0;		
	}
	else
	if(SetupPkt[0]==0x82)
	{
		D12SelEp((SetupPkt[4]*2)|((SetupPkt[4]&0x80)?1:0)); 
		SetupPkt[1] = (D12Dat&2)?1:0;
		SetupPkt[0] = 0;
	}
	else
		return 1;

	D12WrEp(1, SetupPkt, 2);//Ep1控制输入
	return 0;		
}

U8 UsbClrFeature(U8 *SetupPkt)
{

	if(SetupPkt[0]&0x80)
		return STATUS_ERR;
	if(SetupPkt[3]|SetupPkt[5]|SetupPkt[6]|SetupPkt[7])	
		return STATUS_ERR;
		
	if(SetupPkt[0]&0x1f)
	{
		if((SetupPkt[0]&0x1f)!=2)
			return STATUS_ERR;	
		D12SetEpStat((SetupPkt[4]*2)|((SetupPkt[4]&0x80)?1:0),0); 
	}							
	else
	{
		if(SetupPkt[4])
			return STATUS_ERR;
		usb_remote_wake = 0;
	}
	
	D12WrEp(1, SetupPkt, 0);//清空Ep1缓冲区
	return STATUS_OK;
}

U8 UsbSetFeature(U8 *SetupPkt)
{
	if(!(SetupPkt[0]&0x80))
		return STATUS_ERR;
	if(SetupPkt[3]|SetupPkt[5]|SetupPkt[6]|SetupPkt[7])
		return STATUS_ERR;
		
	if(SetupPkt[0]&0x1f)
	{
		if((SetupPkt[0]&0x1f)!=2)
			return STATUS_ERR;
		D12SetEpStat((SetupPkt[4]*2)|((SetupPkt[4]&0x80)?1:0),1); 
	}								
	else
	{
		if(SetupPkt[4])
			return STATUS_ERR;
		usb_remote_wake = 1;
	}
	
	D12WrEp(1, SetupPkt, 0);//清空Ep1缓冲区
	return STATUS_OK;
}

U8 UsbSetAddress(U8 *SetupPkt)
{

	if(SetupPkt[0]|SetupPkt[3]|SetupPkt[4]|SetupPkt[5]|SetupPkt[6]|SetupPkt[7])
		return STATUS_ERR;
		
	D12SetAddr(SetupPkt[2]|0x80);//最高位为使能位
	D12WrEp(1, SetupPkt, 0);
	return STATUS_OK;	
}

void UsbSendDesc()
{
 

	UsbSendDescF = send_remain>=Ep0PacketSize;	
	D12WrEp(1, (U8 *)send_ptr, (send_remain>Ep0PacketSize)?Ep0PacketSize:send_remain);
	

		
	send_remain -= Ep0PacketSize;
	send_ptr    += Ep0PacketSize;
	
}

U8 UsbGetDescriptor(U8 *SetupPkt)
{
	
	if(SetupPkt[0]!=0x80)
		return STATUS_ERR;
		
	switch	(SetupPkt[3])
	{
	case UsbDevDescType:
		send_ptr = (U32)&ThisDevDesc;
		send_remain = UsbDevDescSize;
		break;
	case UsbCfgDescType:
		send_ptr = (U32)&ThisDevDesc.CfgDesc;
		send_remain = UsbTotalCfgDescSize;
		break;
	case 0x22:
		send_ptr = (U32)&ThisDevDesc.ReportDesc;//获取报告描述符
		send_remain = 50;
		break;
	case UsbStrDescType:		
		return STATUS_ERR;	
	default:
		return STATUS_ERR;	
	}

	if(!SetupPkt[7]&&(SetupPkt[6]<send_remain))//当描述符大小大于WLength字段值时，只发送主机所要求的大小
		send_remain = SetupPkt[6];

	UsbSendDesc();	
	return STATUS_OK;	
}

U8 UsbGetConfiguration(U8 *SetupPkt)
{
	if(SetupPkt[0]!=0x80)
		return STATUS_ERR;
	if(SetupPkt[2]|SetupPkt[3]|SetupPkt[4]|SetupPkt[5]|SetupPkt[7])
		return STATUS_ERR;
	if(SetupPkt[6]!=1)
		return STATUS_ERR;
		
	SetupPkt[0] = usb_config?1:0;
	D12WrEp(1, SetupPkt, 1);	
	return STATUS_OK;	
}

U8 UsbSetConfiguration(U8 *SetupPkt)
{
	if(SetupPkt[0]|SetupPkt[3]|SetupPkt[4]|SetupPkt[5]|SetupPkt[6]|SetupPkt[7])
		return STATUS_ERR;
	if(SetupPkt[2]&0xfe)//即wValue值只能为0或1
		return STATUS_ERR;
		
	usb_config = SetupPkt[2]&1;
	D12SetEp(usb_config);
	D12SetEpStat(4, usb_config^1);
	D12SetEpStat(5, usb_config^1);
	D12WrEp(1, SetupPkt, 0);
	
	return STATUS_OK;
}

U8 UsbGetInterface(U8 *SetupPkt)
{
	if(SetupPkt[0]!=0x81)
		return STATUS_ERR;
	if(SetupPkt[2]|SetupPkt[3]|SetupPkt[4]|SetupPkt[5]|SetupPkt[7])
		return STATUS_ERR;
	if(SetupPkt[6]!=1)
		return STATUS_ERR;
		
	SetupPkt[0] = 0;
	D12WrEp(1, SetupPkt, 1);
	return STATUS_OK;
}

U8 UsbSetInterface(U8 *SetupPkt)
{
	return STATUS_ERR;
}

U8 UsbReserved(U8 *SetupPkt)
{
	return STATUS_ERR;	
}


U8 (*StdDevReq[])(U8 *SetupPkt) = {
	UsbGetStatus,
	UsbClrFeature,
	UsbReserved,
	UsbSetFeature,
	UsbReserved,
	UsbSetAddress,
	UsbGetDescriptor,
	UsbReserved,
	UsbGetConfiguration,
	UsbSetConfiguration,
	UsbGetInterface,
	UsbSetInterface,
	UsbReserved,
	UsbReserved,
	UsbReserved,
	UsbReserved
}; 
/******************HID特定类命令请求****************************/
U8	UsbGetReport(U8 *SetupPkt){
	//if(SetupPkt[1]==1)
	
	Tmn_StatusPrintNum(SetupPkt[1]);
	Tmn_StatusPrintStr("	ClassRequest!");
	return 0;
}
/***************************************************************/
/********************** D12 interrupt process ******************/
void D12Ep0IntProc()
{
	U8 SetupPkt[8];
	
	UsbSendDescF = 0;
	
	D12RdLastTrStat(0);//读最后处理状态寄存器
	if(D12Cmd&0x20)		 //为何不能用 !! D12Dat !! ????	
						 //表示最后成功接收的信息包有一个SETUP 标志
		if(D12RdEp(0, SetupPkt, 8)==8)
		{
			D12AckEp(0);
			D12AckEp(1);
			if(SetupPkt[1]==6)
			Tmn_StatusPrintNum(SetupPkt[3]);
			//if(SetupPkt[0]&0x60==0x00){	
				if(!StdDevReq[SetupPkt[1]&0xf](SetupPkt));//函数分支处理技巧
					return;	//返回值为0，成功处理，若为1，则出错！
			//}else{
				//UsbGetReport(SetupPkt);
				 
			//}
		}
					
	D12SetEpStat(0, D12EpStall);
	D12SetEpStat(1, D12EpStall);		
}

void D12Ep1IntProc()//Ep1控制输入，最大信息包规格16字节
{
	U8 i;

	i = D12RdLastTrStat(1);
	if(UsbSendDescF)	//信息描述大于16字节，需再发一次
		UsbSendDesc();
		
}

void D12Ep2IntProc()
{
	//D12SetEpStat(2, D12EpStall);
}

void D12Ep3IntProc()
{
	U8 SdData[4];
	
	SdData[0]=0x11;
	SdData[1]=0x22;
	SdData[2]=0x33;
	SdData[3]=0x44;
	
	D12WrEp(3, SdData, 4);
	//D12SetEpStat(3, D12EpStall);
}

void D12Ep4IntProc()//Ep4普通输出，最大信息包规格64字节
{
	U8 size;
	U8 Ep2OutBuf[Ep2PacketSize];

	D12RdLastTrStat(4);	
	size = D12RdEp(4, Ep2OutBuf, Ep2PacketSize);
	Tmn_StatusPrintNum(Ep2OutBuf[0]);
	Tmn_StatusPrintNum(Ep2OutBuf[1]);
	Tmn_StatusPrintNum(Ep2OutBuf[2]);
	Tmn_StatusPrintNum(Ep2OutBuf[3]);
	Tmn_StatusPrintNum(Ep2OutBuf[4]);
	Tmn_StatusPrintNum(Ep2OutBuf[5]);
	Tmn_StatusPrintNum(Ep2OutBuf[6]);
	
	if((size==6)&&(*(U32 *)Ep2OutBuf==0x12345678)) {
		//LedSet(Ep2OutBuf[4]);
		Tmn_StatusPrintStr("LedON");
		//printf("%x\n", Ep2OutBuf[4]+(Ep2OutBuf[5]<<8));
	}
}

void D12Ep5IntProc(){
	
	U8 SdData[4];
	
	SdData[0]=0x12;
	SdData[1]=0x34;
	SdData[2]=0x56;
	SdData[3]=0x78;
	
	D12WrEp(5, SdData, 4);
}

void D12BusRstProc()
{
}

void D12SuspChgProc()
{
}

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