chap_9.c

6711a板程序的傅立叶变换

#include "epphal.h"
#include "d12ci.h"
#include "mainloop.h"
#include "usb100.h"
#include "chap_9.h"

#define NUM_ENDPOINTS	4

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

extern CONTROL_XFER ControlData;
extern IO_REQUEST idata ioRequest;
extern EPPFLAGS bEPPflags;

code USB_DEVICE_DESCRIPTOR DeviceDescr =
{
	sizeof(USB_DEVICE_DESCRIPTOR),
    USB_DEVICE_DESCRIPTOR_TYPE,
    SWAP(0x0100),
    USB_CLASS_CODE_TEST_CLASS_DEVICE,
    0, 0,
	EP0_PACKET_SIZE,
	SWAP(0x0471),
#ifndef __C51__
	//SWAP(0x0222),
	SWAP(0x0888),
#else
	SWAP(0x0888),
#endif
	SWAP(0x0100),
    0, 0, 0,
    1
};

/*
unsigned int DeviceDescr[18]=
{
0x12,
0x01,
0x00,0x01,
0xdc,
0x00,
0x00,
0x10,
0x71,0x4,
0x22,0x2,
0x00,0x01,
0x00,
0x0,
0x0,
0x1};
*/
/*
code USB_CONFIGURATION_DESCRIPTOR ConfigDescr =
{
   // sizeof(USB_CONFIGURATION_DESCRIPTOR),
    9,
    USB_CONFIGURATION_DESCRIPTOR_TYPE,
    //SWAP(CONFIG_DESCRIPTOR_LENGTH),
    0x2e,
    1,
	1,
    0,
	0x60,
	0x1
};
*/



/*
code USB_INTERFACE_DESCRIPTOR InterfaceDescr =
{
    sizeof(USB_INTERFACE_DESCRIPTOR),
    USB_INTERFACE_DESCRIPTOR_TYPE,
    0,
    0,
	NUM_ENDPOINTS,
	USB_CLASS_CODE_TEST_CLASS_DEVICE,
	USB_SUBCLASS_CODE_TEST_CLASS_D12,
	USB_PROTOCOL_CODE_TEST_CLASS_D12,
	0
};
*/
unsigned char ConfigDescr[0x2e] =
{9,2,0x2e,00,1,1,0,0x60,0x1,
9,4,0,0,4,0xdc,0xa0,0xb0,0,
7,5,0x81,3,0x10,0,0xa,
7,5,1,3,0x10,0,0xa,
7,5,0x82,2,0x40,00,0xa,
7,5,2,2,0x40,0,0xa};
//unsigned char InterfaceDescr[9]=
//unsigned char EP1_TXDescr[7]=
//unsigned char EP1_RXDescr[7]=
//unsigned char EP2_TXDescr[7]=
//unsigned char EP2_RXDescr[7]=
/*
code USB_ENDPOINT_DESCRIPTOR EP1_TXDescr =
{
	//sizeof(USB_ENDPOINT_DESCRIPTOR),
	7,
	USB_ENDPOINT_DESCRIPTOR_TYPE,
	0x81,
	USB_ENDPOINT_TYPE_INTERRUPT,
	SWAP(EP1_PACKET_SIZE),
	10
};

code USB_ENDPOINT_DESCRIPTOR EP1_RXDescr =
{
	//sizeof(USB_ENDPOINT_DESCRIPTOR),
	7,
	USB_ENDPOINT_DESCRIPTOR_TYPE,
	0x1,
	USB_ENDPOINT_TYPE_INTERRUPT,
	SWAP(EP1_PACKET_SIZE),
	10
};

code USB_ENDPOINT_DESCRIPTOR EP2_TXDescr =
{
	//sizeof(USB_ENDPOINT_DESCRIPTOR),
	7,
	USB_ENDPOINT_DESCRIPTOR_TYPE,
	0x82,
	USB_ENDPOINT_TYPE_BULK,
	SWAP(EP2_PACKET_SIZE),
	10
};

code USB_ENDPOINT_DESCRIPTOR EP2_RXDescr =
{
	//sizeof(USB_ENDPOINT_DESCRIPTOR),
	7,
	USB_ENDPOINT_DESCRIPTOR_TYPE,
	0x2,
	USB_ENDPOINT_TYPE_BULK,
	SWAP(EP2_PACKET_SIZE),
	10
};
*/
#ifndef __C51__
extern unsigned char far *dmaBuffer;
#endif

   //*************************************************************************
   // USB Protocol Layer
   //*************************************************************************


void reserved(void)
{
	stall_ep0();
}


   //*************************************************************************
   // USB standard device requests
   //*************************************************************************


void get_status(void)
{
	unsigned char endp, txdat[2];
	unsigned char bRecipient = ControlData.DeviceRequest.bmRequestType & USB_RECIPIENT;
	unsigned char c;

	if (bRecipient == USB_RECIPIENT_DEVICE) {
		if(bEPPflags.bits.remote_wakeup == 1)
			txdat[0] = 3;
		else
			txdat[0] = 1;
		txdat[1]=0;
		single_transmit(txdat, 2);
	} else if (bRecipient == USB_RECIPIENT_INTERFACE) {
		txdat[0]=0;
		txdat[1]=0;
		single_transmit(txdat, 2);
	} else if (bRecipient == USB_RECIPIENT_ENDPOINT) {
		endp = (unsigned char)(ControlData.DeviceRequest.wIndex & MAX_ENDPOINTS);
		if (ControlData.DeviceRequest.wIndex & (unsigned char)USB_ENDPOINT_DIRECTION_MASK)
			c = D12_SelectEndpoint(endp*2 + 1);	/* Control-in */
		else
			c = D12_SelectEndpoint(endp*2);	/* Control-out */
		if(c & D12_STALL)
			txdat[0] = 1;
		else
			txdat[0] = 0;
		txdat[1] = 0;
		single_transmit(txdat, 2);
	} else
		stall_ep0();
}

void clear_feature(void)
{
	unsigned char endp;
	unsigned char bRecipient = ControlData.DeviceRequest.bmRequestType & USB_RECIPIENT;

	if (bRecipient == USB_RECIPIENT_DEVICE
		&& ControlData.DeviceRequest.wValue == USB_FEATURE_REMOTE_WAKEUP) {
		//DISABLE;
		bEPPflags.bits.remote_wakeup = 0;
		//ENABLE;
		single_transmit(0, 0);
	}
	else if (bRecipient == USB_RECIPIENT_ENDPOINT
		&& ControlData.DeviceRequest.wValue == USB_FEATURE_ENDPOINT_STALL) {
		endp = (unsigned char)(ControlData.DeviceRequest.wIndex & MAX_ENDPOINTS);
		if (ControlData.DeviceRequest.wIndex & (unsigned char)USB_ENDPOINT_DIRECTION_MASK)
			/* clear TX stall for IN on EPn. */
			D12_SetEndpointStatus(endp*2 + 1, 0);
		else
			/* clear RX stall for OUT on EPn. */
			D12_SetEndpointStatus(endp*2, 0);
		single_transmit(0, 0);
	} else
		stall_ep0();
}

void set_feature(void)
{
	unsigned char endp;
	unsigned char bRecipient = ControlData.DeviceRequest.bmRequestType & USB_RECIPIENT;

	if (bRecipient == USB_RECIPIENT_DEVICE
		&& ControlData.DeviceRequest.wValue == USB_FEATURE_REMOTE_WAKEUP) {
		//DISABLE;
		bEPPflags.bits.remote_wakeup = 1;
		//ENABLE;
		single_transmit(0, 0);
	}
	else if (bRecipient == USB_RECIPIENT_ENDPOINT
		&& ControlData.DeviceRequest.wValue == USB_FEATURE_ENDPOINT_STALL) {
		endp = (unsigned char)(ControlData.DeviceRequest.wIndex & MAX_ENDPOINTS);
		if (ControlData.DeviceRequest.wIndex & (unsigned char)USB_ENDPOINT_DIRECTION_MASK)
			/* clear TX stall for IN on EPn. */
			D12_SetEndpointStatus(endp*2 + 1, 1);
		else
			/* clear RX stall for OUT on EPn. */
			D12_SetEndpointStatus(endp*2, 1);
		single_transmit(0, 0);
	} else
		stall_ep0();
}

void set_address(void)
{
	D12_SetAddressEnable((unsigned char)(ControlData.DeviceRequest.wValue &
		DEVICE_ADDRESS_MASK), 1);
	single_transmit(0, 0);
}

void get_descriptor(void)
{
	unsigned char bDescriptor = MSB(ControlData.DeviceRequest.wValue);

	if (bDescriptor == USB_DEVICE_DESCRIPTOR_TYPE) {
		code_transmit((unsigned char code *)&DeviceDescr, sizeof(USB_DEVICE_DESCRIPTOR));
	} else if (bDescriptor == USB_CONFIGURATION_DESCRIPTOR_TYPE) {
		//code_transmit((unsigned char code *)&ConfigDescr, CONFIG_DESCRIPTOR_LENGTH);
		code_transmit((unsigned char code *)&ConfigDescr, 0x2e);//change
		
		
	} else
		stall_ep0();
}

void get_configuration(void)
{
	unsigned char c = bEPPflags.bits.configuration;

	single_transmit(&c, 1);
}

void set_configuration(void)
{
//	int i;
	if (ControlData.DeviceRequest.wValue == 0) {
		/* put device in unconfigured state */
		single_transmit(0, 0);
	//	DISABLE;
		bEPPflags.bits.configuration = 0;
	//	ENABLE;
		init_unconfig();
	//		init_config();
	} else if (ControlData.DeviceRequest.wValue == 1) {
		/* Configure device */
		single_transmit(0, 0);

		init_unconfig();
	    init_config();
		
	//	DISABLE;
		bEPPflags.bits.configuration = 1;
	//	ENABLE;
	} else
		stall_ep0();
}

void get_interface(void)
{
	unsigned char txdat = 0;        /* Only/Current interface = 0 */
	single_transmit(&txdat, 1);
}

void set_interface(void)
{
	if (ControlData.DeviceRequest.wValue == 0 && ControlData.DeviceRequest.wIndex == 0)
		single_transmit(0, 0);
	else
		stall_ep0();
}