Cypress Semiconductor AN6077 Manual do Utilizador descarregar pdf (Página 82)

}

break;

case SC_SET_FEATURE: // *** Set Feature

if(DR_SetFeature())

switch(SETUPDAT[0])

{

case FT_DEVICE: // Device

if(SETUPDAT[2] == 1)

Rwuen = TRUE; // Enable Remote Wakeup

else if(SETUPDAT[2] == 2)

// Set Feature Test Mode. The core handles this

request. However, it is

// necessary for the firmware to complete the

handshake phase of the

// control transfer before the chip will enter test

mode. It is also

// necessary for FX2 to be physically

disconnected (D+ and D-)

// from the host before it will enter test mode.

break;

else

EZUSB_STALL_EP0(); // Stall End Point 0

break;

case FT_ENDPOINT: // End Point

*(BYTE xdata *) epcs(SETUPDAT[4]) |=

bmEPSTALL;

break;

default:

EZUSB_STALL_EP0(); // Stall End Point 0

}

break;

default: // *** Invalid Command

if(DR_VendorCmnd())

EZUSB_STALL_EP0(); // Stall End Point 0

}

// Acknowledge handshake phase of device request

EP0CS |= bmHSNAK;

}

// Wake-up interrupt handler

void resume_isr(void) interrupt WKUP_VECT

{

EZUSB_CLEAR_RSMIRQ();

}

//-------------------------------------------------------------------------

// File: Manuel.c

// Contents: Hooks required to implement USB peripheral

function.

// $Archive: /USB/Examples/FX2LP/bulkloop/bulkloop.c $

// $Date: 3/23/05 2:55p $

// $Revision: 4 $

//-------------------------------------------------------------------------

#pragma NOIV // Do not generate interrupt vectors

#include "fx2.h"

#include "fx2regs.h"

#include "syncdly.h" // SYNCDELAY macro

#include "intrins.h" //Manuel

extern BOOL GotSUD; // Received setup data flag

extern BOOL Sleep;

extern BOOL Rwuen;

extern BOOL Selfpwr;

BYTE Configuration; // Current configuration

BYTE AlternateSetting; // Alternate settings

#define VR_NAKALL_ON 0xD0

#define VR_NAKALL_OFF 0xD1

//Vendor commands para el CAD

#define VR_COUNT_EN 0xFF

#define VR_TIMEBASE_1MS 0xFE

#define VR_TIMEBASE_10MS 0xFD

#define VR_TIMEBASE_100MS 0xFC

#define VR_TIMEBASE_1S 0xFB

#define VR_COUNT_DIS 0xFA

//Vendor commands para el CAD

#define VR_CAD_EN 0xF9

#define VR_CAD_DIS 0xF8

//Vendor commands para el CAD

//Vendor commands genericos

#define VR_STOP_ALL 0xF7

//Definiciones CAD

#define StartConversion ~bmBIT0

#define PortB0_OUTEN bmBIT0

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