📄 chap_9.c

📁 周立功dp1581usb2.0实验仪
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void get_config(void)
{
	D14_Cntrl_Reg.D14_ENDPT_INDEX = 1;
	D14_Cntrl_Reg.D14_DATA_PORT_LSB = Device_Config_Value;
	D14_Cntrl_Reg.D14_CONTROL_FUNCTION.BITS.VENDP = 1;
	wait_ep0tx();
	ep0out_ack();
}	

//Clear_Feature特性清除
void clear_feature(void)
{
	unsigned char bRecipient = USB_Device_Request.bmRequestType & 0x0f;
	//端点
	if(bRecipient == 0x02 &&USB_Device_Request.wValue == 0x0000)
	{
		switch(USB_Device_Request.wIndex)
		{
		case  0x8000   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 1;
			break;
		case  0x0000   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 0;
			break;
		case  0x8100   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 3;
			break;
		case  0x0100   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 2;
			break;
		case  0x8200   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 5;
			break;
		case  0x0200   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 4;
			break;
		case  0x8300   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 7;
			break;
		case  0x0300   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 6;
			break;
		case  0x8400   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 9;
			break;
		case  0x0400   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 8;
			break;
		case  0x8500   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 11;
			break;
		case  0x0500   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 10;
			break;
		case  0x8600   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 13;
			break;
		case  0x0600   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 12;
			break;
		case  0x8700   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 15;
			break;
		case  0x0700   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 14;
			break;
		default        :  
			break;
		}                                                                                                      
		D14_Cntrl_Reg.D14_CONTROL_FUNCTION.BITS.STALL = 0;
		Kernel_Flag.BITS.Endpt_Stall = 0;
		D14_Cntrl_Reg.D14_ENDPT_TYPE.BITS.ENABLE = OFF;			//disable FIFO
		D14_Cntrl_Reg.D14_ENDPT_TYPE.BITS.ENABLE = ON;			//disable FIFO
		ep0in_ack();
		USB_Device.BITS.Halt = 0;
	}   											
	else if(bRecipient == 0x00 && USB_Device_Request.wValue == 0x0100)
	{	//远程唤醒
		USB_Device.BITS.Remote_Wakeup = 0;
		ep0in_ack();
	}
	else
	{
		D14_Cntrl_Reg.D14_ENDPT_INDEX = 1;
		D14_Cntrl_Reg.D14_CONTROL_FUNCTION.BITS.STALL = 1;
		while(!USB_Int_Flag.BITS.EP0SETUP)
		{
			//读取ISP1581中断寄存器
			USB_Int_Flag.VALUE |= D14_Cntrl_Reg.D14_INT.VALUE;
			//回写ISP1581中断寄存器
			D14_Cntrl_Reg.D14_INT.VALUE = USB_Int_Flag.VALUE;
			if(USB_Int_Flag.BITS.SUSP || USB_Int_Flag.BITS.RESET)
				return;
		}
		USB_Int_Flag.BITS.EP0TX = 0;
	}
}	

//Get_Status获取设备状态
void get_status(void)
{
	if(USB_Device_Request.bmRequestType == 0x80)
	{
		//端点0IN返回0x01,0x00两字节
		D14_Cntrl_Reg.D14_ENDPT_INDEX = 1;
		D14_Cntrl_Reg.D14_BUFFER_LENGTH_LSB = 2;
		D14_Cntrl_Reg.D14_BUFFER_LENGTH_MSB = 0;
		D14_Cntrl_Reg.D14_DATA_PORT_LSB = 1;
		D14_Cntrl_Reg.D14_DATA_PORT_MSB = 0;
		//等待发送完毕
		wait_ep0tx();
		ep0out_ack();
	}

	if(USB_Device_Request.bmRequestType == 0x81)
	{
		//端点0IN返回0x00,0x00两字节
		D14_Cntrl_Reg.D14_ENDPT_INDEX = 1;
		D14_Cntrl_Reg.D14_BUFFER_LENGTH_LSB = 2;
		D14_Cntrl_Reg.D14_BUFFER_LENGTH_MSB = 0;
		D14_Cntrl_Reg.D14_DATA_PORT_LSB = 0;
		D14_Cntrl_Reg.D14_DATA_PORT_MSB = 0;
		wait_ep0tx();
		ep0out_ack();
	}

	if(USB_Device_Request.bmRequestType == 0x82)
	{
		Temp = 0;
		Temp = USB_Device.BITS.Halt;
		D14_Cntrl_Reg.D14_ENDPT_INDEX = 1;
		D14_Cntrl_Reg.D14_BUFFER_LENGTH_LSB = 2;
		D14_Cntrl_Reg.D14_BUFFER_LENGTH_MSB = 0;
		D14_Cntrl_Reg.D14_DATA_PORT_LSB = (UC) Temp;
		D14_Cntrl_Reg.D14_DATA_PORT_MSB = (UC) (Temp >> 8);
		wait_ep0tx();
		ep0out_ack();
	}
}	



//Set_Feature特性设置
//不支持测试模式
void set_feature(void)
{
	unsigned char bRecipient = USB_Device_Request.bmRequestType & 0x0f;
	//端点
	if(bRecipient == 0x02 && USB_Device_Request.wValue == 0x0000)
	{
		switch(USB_Device_Request.wIndex)
		{
		case  0x8000   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 1;
			break;
		case  0x0000   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 0;
			break;
		case  0x8100   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 3;
			break;
		case  0x0100   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 2;
			break;
		case  0x8200   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 5;
			break;
		case  0x0200   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 4;
			break;
		case  0x8300   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 7;
			break;
		case  0x0300   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 6;
			break;
		case  0x8400   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 9;
			break;
		case  0x0400   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 8;
			break;
		case  0x8500   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 11;
			break;
		case  0x0500   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 10;
			break;
		case  0x8600   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 13;
			break;
		case  0x0600   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 12;
			break;
		case  0x8700   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 15;
			break;
		case  0x0700   :
			D14_Cntrl_Reg.D14_ENDPT_INDEX = 14;
			break;
		default        :  
			break;
		}                                                                                                      
		D14_Cntrl_Reg.D14_CONTROL_FUNCTION.BITS.STALL = 1;
		Kernel_Flag.BITS.Endpt_Stall = 1;
		D14_Cntrl_Reg.D14_ENDPT_TYPE.BITS.ENABLE = OFF;			//disable FIFO
		//D14_Cntrl_Reg.D14_ENDPT_TYPE.BITS.ENABLE = ON;			//disable FIFO
		ep0in_ack();
		USB_Device.BITS.Halt = 0;
	}   											
	else if(bRecipient == 0x00 && USB_Device_Request.wValue == 0x0100)
	{	//远程唤醒
		USB_Device.BITS.Remote_Wakeup = 1;
		ep0in_ack();
	}
	else
	{
		D14_Cntrl_Reg.D14_ENDPT_INDEX = 1;
		D14_Cntrl_Reg.D14_CONTROL_FUNCTION.BITS.STALL = 1;
		while(!USB_Int_Flag.BITS.EP0SETUP)
		{
			//读取ISP1581中断寄存器
			USB_Int_Flag.VALUE |= D14_Cntrl_Reg.D14_INT.VALUE;
			//回写ISP1581中断寄存器
			D14_Cntrl_Reg.D14_INT.VALUE = USB_Int_Flag.VALUE;
			if(USB_Int_Flag.BITS.SUSP || USB_Int_Flag.BITS.RESET)
				return;
		}
		USB_Int_Flag.BITS.EP0TX = 0;
	}
}


//Get_Interface	获取接口状态
void get_interface(void)
{
	if(USB_Device_Request.wValue != 0)
	{
		D14_Cntrl_Reg.D14_CONTROL_FUNCTION.BITS.STALL = 1;
		while(!USB_Int_Flag.BITS.EP0SETUP)
		{
			//读取ISP1581中断寄存器
			USB_Int_Flag.VALUE |= D14_Cntrl_Reg.D14_INT.VALUE;
			//回写ISP1581中断寄存器
			D14_Cntrl_Reg.D14_INT.VALUE = USB_Int_Flag.VALUE;
			if(USB_Int_Flag.BITS.SUSP || USB_Int_Flag.BITS.RESET)
				return;
		}
		USB_Int_Flag.BITS.EP0TX = 0;
	}
	else
	{
		D14_Cntrl_Reg.D14_ENDPT_INDEX = 1;
		D14_Cntrl_Reg.D14_BUFFER_LENGTH_LSB = 1;
		D14_Cntrl_Reg.D14_BUFFER_LENGTH_MSB = 0;
		if(!USB_Device.BITS.Alter_Interface)
			D14_Cntrl_Reg.D14_DATA_PORT_LSB = 0;
		else
			D14_Cntrl_Reg.D14_DATA_PORT_LSB = 1;
		wait_ep0tx();
		ep0in_ack();
	}
}


//Set_Interface 设置接口状态
void set_interface(void)
{
	if(USB_Device_Request.wIndex == 0 && USB_Device_Request.wValue == 0x0100)
		USB_Device.BITS.Alter_Interface = 1;
	
	if(USB_Device_Request.wIndex == 0x0100 && USB_Device_Request.wValue == 0)
		USB_Device.BITS.Alter_Interface = 0;
	
	if(USB_Device_Request.wIndex == 0 && USB_Device_Request.wValue == 0)
		USB_Device.BITS.Alter_Interface = 0;

	ep0in_ack();
}



//端点0IN状态响应
void ep0in_ack(void)
{
	D14_Cntrl_Reg.D14_ENDPT_INDEX = 1;
	D14_Cntrl_Reg.D14_CONTROL_FUNCTION.BITS.STATUS = 1;
	wait_ep0tx();
}

//端点0IN状态响应
void wait_ep0tx(void)
{
	//end of status stage
	while(!USB_Int_Flag.BITS.EP0TX)
	{
		//读取ISP1581中断寄存器
		USB_Int_Flag.VALUE |= D14_Cntrl_Reg.D14_INT.VALUE;
		//回写ISP1581中断寄存器
		D14_Cntrl_Reg.D14_INT.VALUE = USB_Int_Flag.VALUE;
		if(USB_Int_Flag.BITS.SUSP || USB_Int_Flag.BITS.RESET)
			return;
	}
	USB_Int_Flag.BITS.EP0TX = 0;
}

//端点0OUT状态响应
void ep0out_ack(void)
{
	//设置状态响应
	//acknowledge status stage
	D14_Cntrl_Reg.D14_ENDPT_INDEX = 0;
	D14_Cntrl_Reg.D14_CONTROL_FUNCTION.BITS.STATUS = 1;
//	D14_Cntrl_Reg.D14_CONTROL_FUNCTION.VALUE = 2;
	wait_ep0rx();
}

//端点0OUT状态响应
void wait_ep0rx(void)
{
	while(!USB_Int_Flag.BITS.EP0RX)
	{
		//读取ISP1581中断寄存器
		USB_Int_Flag.VALUE |= D14_Cntrl_Reg.D14_INT.VALUE;
		//回写ISP1581中断寄存器
		D14_Cntrl_Reg.D14_INT.VALUE = USB_Int_Flag.VALUE;
		if(USB_Int_Flag.BITS.SUSP || USB_Int_Flag.BITS.RESET)
			return;
	}		
	USB_Int_Flag.BITS.EP0RX = 0;
}

#pragma disable
/*
unsigned int read_endpoint(unsigned char endp,unsigned int len,unsigned char *buf)
{
	unsigned int datalen;
	D14_Cntrl_Reg.D14_ENDPT_INDEX = endp;
	len = D14_Cntrl_Reg.D14_BUFFER_LENGTH_MSB;
	len <<= 8;
	len += D14_Cntrl_Reg.D14_BUFFER_LENGTH_LSB;
	datalen=len;
	while(datalen-- != 0)
	{
		*buf = D14_Cntrl_Reg.D14_DATA_PORT_LSB;	//fill up FIFO
		buf++;
	}
	return len;
}

unsigned int write_endpoint(unsigned char endp,unsigned int len,unsigned char *buf)
{
	unsigned int datalen;
	D14_Cntrl_Reg.D14_ENDPT_INDEX = endp;
	D14_Cntrl_Reg.D14_BUFFER_LENGTH_LSB = (unsigned char) len;
	D14_Cntrl_Reg.D14_BUFFER_LENGTH_MSB = (unsigned char) (len>>8);
	datalen=len;
	while(datalen-- != 0)
	{
		D14_Cntrl_Reg.D14_DATA_PORT_LSB = *buf;	//fill up FIFO
		buf++;
	}
	return len;
	
}*/
void delay()
{
	UC i,j;
	for(i=0;i<200;i++)
		for(j=0;j<200;j++);
}
void rt2_process()
{
	UC  i,j;
	if(USB_Device_Request.wIndex==GET_SET_EEPROM_REQUEST)
	{
		USB_Device_Request.wValue=USB_Device_Request.wValue>>8;
		if(bytecouter>8)
		{
			j=bytecouter/8;
			for(i=0;i<j;i++)
			{
				ISendStr(0xa0,((UC)(USB_Device_Request.wValue+(i*8))),&Endpt_FIFO[i*8],8);
				delay();
			}
			j=bytecouter%8;
			ISendStr(0xa0,((UC)(USB_Device_Request.wValue+(i*8))),&Endpt_FIFO[i*8],j);
		}
		else
			ISendStr(0xa0,(UC)USB_Device_Request.wValue,Endpt_FIFO,bytecouter);
	}
	for(i=0;i<64;i++)
		Endpt_FIFO[i]=0;
	ZLG7289_SendBuf(disp_buf1);
}
void tt2_process()
{
	if(USB_Device_Request.wIndex==GET_SET_EEPROM_REQUEST)
	{
		USB_Device_Request.wValue=USB_Device_Request.wValue>>8;
		IRcvStr(0xa0,(UC)USB_Device_Request.wValue,Endpt_FIFO,bytecouter);
		ZLG7289_SendBuf(disp_buf0);
	}		
}
上一页 1 23
💿 文件大小 220 K
👤 上传用户 renyumeng
📂 所属分类嵌入式/单片机编程
🏷️ 相关标签

#1581 #2.0 #usb #dp
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