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crashtest-r0ket/openbeacon/lpc13xx/usbcdc-storage/src/usbcore.c

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added code from openbeacon.org
2011-06-12 02:18:11 +00:00
/*----------------------------------------------------------------------------
* U S B - K e r n e l
*----------------------------------------------------------------------------
* Name: usbcore.c
* Purpose: USB Core Module
* Version: V1.20
*----------------------------------------------------------------------------
* This software is supplied "AS IS" without any warranties, express,
* implied or statutory, including but not limited to the implied
* warranties of fitness for purpose, satisfactory quality and
* noninfringement. Keil extends you a royalty-free right to reproduce
* and distribute executable files created using this software for use
* on NXP Semiconductors LPC microcontroller devices only. Nothing else
* gives you the right to use this software.
*
* Copyright (c) 2009 Keil - An ARM Company. All rights reserved.
*----------------------------------------------------------------------------
* History:
* V1.20 Added vendor specific requests
* Changed string descriptor handling
* Reworked Endpoint0
* V1.00 Initial Version
*----------------------------------------------------------------------------*/
#include "type.h"
#include "usb.h"
#include "usbcfg.h"
#include "usbhw.h"
#include "usbcore.h"
#include "usbdesc.h"
#include "usbuser.h"
#if (USB_CLASS)
#if (USB_AUDIO)
#include "audio.h"
#include "adcuser.h"
#endif
#if (USB_HID)
#include "hid.h"
#include "hiduser.h"
#endif
#if (USB_MSC)
#include "msc.h"
#include "mscuser.h"
extern MSC_CSW CSW;
#endif
#if (USB_CDC)
#include "cdc.h"
#include "cdcuser.h"
#endif
#endif
#if (USB_VENDOR)
#include "vendor.h"
#endif
uint16_t USB_DeviceStatus;
uint8_t USB_DeviceAddress;
uint8_t USB_Configuration;
uint32_t USB_EndPointMask;
uint32_t USB_EndPointHalt;
uint32_t USB_EndPointStall; /* EP must stay stalled */
uint8_t USB_NumInterfaces;
uint8_t USB_AltSetting[USB_IF_NUM];
uint8_t EP0Buf[USB_MAX_PACKET0];
USB_EP_DATA EP0Data;
USB_SETUP_PACKET SetupPacket;
/*
* Reset USB Core
* Parameters: None
* Return Value: None
*/
void
USB_ResetCore (void)
{
USB_DeviceStatus = USB_POWER;
USB_DeviceAddress = 0;
USB_Configuration = 0;
USB_EndPointMask = 0x00010001;
USB_EndPointHalt = 0x00000000;
USB_EndPointStall = 0x00000000;
}
/*
* USB Request - Setup Stage
* Parameters: None (global SetupPacket)
* Return Value: None
*/
void
USB_SetupStage (void)
{
USB_ReadEP (0x00, (uint8_t *) & SetupPacket);
}
/*
* USB Request - Data In Stage
* Parameters: None (global EP0Data)
* Return Value: None
*/
void
USB_DataInStage (void)
{
uint32_t cnt;
if (EP0Data.Count > USB_MAX_PACKET0)
{
cnt = USB_MAX_PACKET0;
}
else
{
cnt = EP0Data.Count;
}
cnt = USB_WriteEP (0x80, EP0Data.pData, cnt);
EP0Data.pData += cnt;
EP0Data.Count -= cnt;
}
/*
* USB Request - Data Out Stage
* Parameters: None (global EP0Data)
* Return Value: None
*/
void
USB_DataOutStage (void)
{
uint32_t cnt;
cnt = USB_ReadEP (0x00, EP0Data.pData);
EP0Data.pData += cnt;
EP0Data.Count -= cnt;
}
/*
* USB Request - Status In Stage
* Parameters: None
* Return Value: None
*/
void
USB_StatusInStage (void)
{
USB_WriteEP (0x80, NULL, 0);
}
/*
* USB Request - Status Out Stage
* Parameters: None
* Return Value: None
*/
void
USB_StatusOutStage (void)
{
USB_ReadEP (0x00, EP0Buf);
}
/*
* Get Status USB Request
* Parameters: None (global SetupPacket)
* Return Value: TRUE - Success, FALSE - Error
*/
__inline uint32_t
USB_ReqGetStatus (void)
{
uint32_t n, m;
switch (SetupPacket.bmRequestType.BM.Recipient)
{
case REQUEST_TO_DEVICE:
EP0Data.pData = (uint8_t *) & USB_DeviceStatus;
break;
case REQUEST_TO_INTERFACE:
if ((USB_Configuration != 0) && (SetupPacket.wIndex.WB.L < USB_NumInterfaces))
{
*((uint16_t __attribute__ ((packed)) *) EP0Buf) = 0;
EP0Data.pData = EP0Buf;
}
else
{
return (FALSE);
}
break;
case REQUEST_TO_ENDPOINT:
n = SetupPacket.wIndex.WB.L & 0x8F;
m = (n & 0x80) ? ((1 << 16) << (n & 0x0F)) : (1 << n);
if (((USB_Configuration != 0) || ((n & 0x0F) == 0)) && (USB_EndPointMask & m))
{
*((uint16_t __attribute__ ((packed)) *) EP0Buf) = (USB_EndPointHalt & m) ? 1 : 0;
EP0Data.pData = EP0Buf;
}
else
{
return (FALSE);
}
break;
default:
return (FALSE);
}
return (TRUE);
}
/*
* Set/Clear Feature USB Request
* Parameters: sc: 0 - Clear, 1 - Set
* (global SetupPacket)
* Return Value: TRUE - Success, FALSE - Error
*/
__inline uint32_t
USB_ReqSetClrFeature (uint32_t sc)
{
uint32_t n, m;
switch (SetupPacket.bmRequestType.BM.Recipient)
{
case REQUEST_TO_DEVICE:
if (SetupPacket.wValue.W == USB_FEATURE_REMOTE_WAKEUP)
{
if (sc)
{
USB_WakeUpCfg (TRUE);
USB_DeviceStatus |= USB_GETSTATUS_REMOTE_WAKEUP;
}
else
{
USB_WakeUpCfg (FALSE);
USB_DeviceStatus &= ~USB_GETSTATUS_REMOTE_WAKEUP;
}
}
else
{
return (FALSE);
}
break;
case REQUEST_TO_INTERFACE:
return (FALSE);
case REQUEST_TO_ENDPOINT:
n = SetupPacket.wIndex.WB.L & 0x8F;
m = (n & 0x80) ? ((1 << 16) << (n & 0x0F)) : (1 << n);
if ((USB_Configuration != 0) && ((n & 0x0F) != 0) && (USB_EndPointMask & m))
{
if (SetupPacket.wValue.W == USB_FEATURE_ENDPOINT_STALL)
{
if (sc)
{
USB_SetStallEP (n);
USB_EndPointHalt |= m;
}
else
{
if ((USB_EndPointStall & m) != 0)
{
return (TRUE);
}
USB_ClrStallEP (n);
#if (USB_MSC)
if ((n == MSC_EP_IN) && ((USB_EndPointHalt & m) != 0))
{
/* Compliance Test: rewrite CSW after unstall */
if (CSW.dSignature == MSC_CSW_Signature)
{
USB_WriteEP (MSC_EP_IN, (uint8_t *) & CSW, sizeof (CSW));
}
}
#endif
USB_EndPointHalt &= ~m;
}
}
else
{
return (FALSE);
}
}
else
{
return (FALSE);
}
break;
default:
return (FALSE);
}
return (TRUE);
}
/*
* Set Address USB Request
* Parameters: None (global SetupPacket)
* Return Value: TRUE - Success, FALSE - Error
*/
__inline uint32_t
USB_ReqSetAddress (void)
{
switch (SetupPacket.bmRequestType.BM.Recipient)
{
case REQUEST_TO_DEVICE:
USB_DeviceAddress = 0x80 | SetupPacket.wValue.WB.L;
break;
default:
return (FALSE);
}
return (TRUE);
}
/*
* Get Descriptor USB Request
* Parameters: None (global SetupPacket)
* Return Value: TRUE - Success, FALSE - Error
*/
__inline uint32_t
USB_ReqGetDescriptor (void)
{
uint8_t *pD;
uint32_t len, n;
switch (SetupPacket.bmRequestType.BM.Recipient)
{
case REQUEST_TO_DEVICE:
switch (SetupPacket.wValue.WB.H)
{
case USB_DEVICE_DESCRIPTOR_TYPE:
EP0Data.pData = (uint8_t *) USB_DeviceDescriptor;
len = USB_DEVICE_DESC_SIZE;
break;
case USB_CONFIGURATION_DESCRIPTOR_TYPE:
pD = (uint8_t *) USB_ConfigDescriptor;
for (n = 0; n != SetupPacket.wValue.WB.L; n++)
{
if (((USB_CONFIGURATION_DESCRIPTOR *) pD)->bLength != 0)
{
pD += ((USB_CONFIGURATION_DESCRIPTOR *) pD)->wTotalLength;
}
}
if (((USB_CONFIGURATION_DESCRIPTOR *) pD)->bLength == 0)
{
return (FALSE);
}
EP0Data.pData = pD;
len = ((USB_CONFIGURATION_DESCRIPTOR *) pD)->wTotalLength;
break;
case USB_STRING_DESCRIPTOR_TYPE:
pD = (uint8_t *) USB_StringDescriptor;
for (n = 0; n != SetupPacket.wValue.WB.L; n++)
{
if (((USB_STRING_DESCRIPTOR *) pD)->bLength != 0)
{
pD += ((USB_STRING_DESCRIPTOR *) pD)->bLength;
}
}
if (((USB_STRING_DESCRIPTOR *) pD)->bLength == 0)
{
return (FALSE);
}
EP0Data.pData = pD;
len = ((USB_STRING_DESCRIPTOR *) EP0Data.pData)->bLength;
break;
default:
return (FALSE);
}
break;
case REQUEST_TO_INTERFACE:
switch (SetupPacket.wValue.WB.H)
{
#if USB_HID
case HID_HID_DESCRIPTOR_TYPE:
if (SetupPacket.wIndex.WB.L != USB_HID_IF_NUM)
{
return (FALSE); /* Only Single HID Interface is supported */
}
EP0Data.pData = (uint8_t *) USB_ConfigDescriptor + HID_DESC_OFFSET;
len = HID_DESC_SIZE;
break;
case HID_REPORT_DESCRIPTOR_TYPE:
if (SetupPacket.wIndex.WB.L != USB_HID_IF_NUM)
{
return (FALSE); /* Only Single HID Interface is supported */
}
EP0Data.pData = (uint8_t *) HID_ReportDescriptor;
len = HID_ReportDescSize;
break;
case HID_PHYSICAL_DESCRIPTOR_TYPE:
return (FALSE); /* HID Physical Descriptor is not supported */
#endif
default:
return (FALSE);
}
break;
default:
return (FALSE);
}
if (EP0Data.Count > len)
{
EP0Data.Count = len;
}
return (TRUE);
}
/*
* Get Configuration USB Request
* Parameters: None (global SetupPacket)
* Return Value: TRUE - Success, FALSE - Error
*/
__inline uint32_t
USB_ReqGetConfiguration (void)
{
switch (SetupPacket.bmRequestType.BM.Recipient)
{
case REQUEST_TO_DEVICE:
EP0Data.pData = &USB_Configuration;
break;
default:
return (FALSE);
}
return (TRUE);
}
/*
* Add a number of bytes to a pointer's address
* Harder than you might think. Some compilers say:
* Expected an lvalue -- Assignment expects its first operand to be
* an lvalue. Please note that a cast removes the lvaluedness of an
* expression.
*
* vpptr = void pointer to pointer
* n = number of bytes to add to pointer
* Call looks like: AddPtr((void **)&myPointer, 8);
*/
__inline void
UsbAddPtr (void **vpptr, uint32_t n)
{
/* Declare a pointer to a pointer to a byte. Only a byte pointer
* can be incremented by a number of bytes. Other pointers will
* increment by a multiple of what they point to.
*/
uint8_t **bpptr;
/* Convert our void pointer to a pointer to a byte pointer to a pointer */
bpptr = (uint8_t **) vpptr;
/* Add 'n' bytes to our pointer value */
(*bpptr) += n;
}
/*
* Set Configuration USB Request
* Parameters: None (global SetupPacket)
* Return Value: TRUE - Success, FALSE - Error
*/
__inline uint32_t
USB_ReqSetConfiguration (void)
{
USB_COMMON_DESCRIPTOR *pD;
uint32_t alt = 0;
uint32_t n, m;
switch (SetupPacket.bmRequestType.BM.Recipient)
{
case REQUEST_TO_DEVICE:
if (SetupPacket.wValue.WB.L)
{
pD = (USB_COMMON_DESCRIPTOR *) USB_ConfigDescriptor;
while (pD->bLength)
{
switch (pD->bDescriptorType)
{
case USB_CONFIGURATION_DESCRIPTOR_TYPE:
if (((USB_CONFIGURATION_DESCRIPTOR *) pD)->bConfigurationValue == SetupPacket.wValue.WB.L)
{
USB_Configuration = SetupPacket.wValue.WB.L;
USB_NumInterfaces = ((USB_CONFIGURATION_DESCRIPTOR *) pD)->bNumInterfaces;
for (n = 0; n < USB_IF_NUM; n++)
{
USB_AltSetting[n] = 0;
}
for (n = 1; n < 16; n++)
{
if (USB_EndPointMask & (1 << n))
{
USB_DisableEP (n);
}
if (USB_EndPointMask & ((1 << 16) << n))
{
USB_DisableEP (n | 0x80);
}
}
USB_EndPointMask = 0x00010001;
USB_EndPointHalt = 0x00000000;
USB_EndPointStall = 0x00000000;
USB_Configure (TRUE);
if (((USB_CONFIGURATION_DESCRIPTOR *) pD)->bmAttributes & USB_CONFIG_POWERED_MASK)
{
USB_DeviceStatus |= USB_GETSTATUS_SELF_POWERED;
}
else
{
USB_DeviceStatus &= ~USB_GETSTATUS_SELF_POWERED;
}
}
else
{
UsbAddPtr ((void **) &pD, ((USB_CONFIGURATION_DESCRIPTOR *) pD)->wTotalLength);
continue;
}
break;
case USB_INTERFACE_DESCRIPTOR_TYPE:
alt = ((USB_INTERFACE_DESCRIPTOR *) pD)->bAlternateSetting;
break;
case USB_ENDPOINT_DESCRIPTOR_TYPE:
if (alt == 0)
{
n = ((USB_ENDPOINT_DESCRIPTOR *) pD)->bEndpointAddress & 0x8F;
m = (n & 0x80) ? ((1 << 16) << (n & 0x0F)) : (1 << n);
USB_EndPointMask |= m;
USB_ConfigEP ((USB_ENDPOINT_DESCRIPTOR *) pD);
USB_EnableEP (n);
USB_ResetEP (n);
}
break;
}
UsbAddPtr ((void **) &pD, pD->bLength);
}
}
else
{
USB_Configuration = 0;
for (n = 1; n < 16; n++)
{
if (USB_EndPointMask & (1 << n))
{
USB_DisableEP (n);
}
if (USB_EndPointMask & ((1 << 16) << n))
{
USB_DisableEP (n | 0x80);
}
}
USB_EndPointMask = 0x00010001;
USB_EndPointHalt = 0x00000000;
USB_EndPointStall = 0x00000000;
USB_Configure (FALSE);
}
if (USB_Configuration != SetupPacket.wValue.WB.L)
{
return (FALSE);
}
break;
default:
return (FALSE);
}
return (TRUE);
}
/*
* Get Interface USB Request
* Parameters: None (global SetupPacket)
* Return Value: TRUE - Success, FALSE - Error
*/
__inline uint32_t
USB_ReqGetInterface (void)
{
switch (SetupPacket.bmRequestType.BM.Recipient)
{
case REQUEST_TO_INTERFACE:
if ((USB_Configuration != 0) && (SetupPacket.wIndex.WB.L < USB_NumInterfaces))
{
EP0Data.pData = USB_AltSetting + SetupPacket.wIndex.WB.L;
}
else
{
return (FALSE);
}
break;
default:
return (FALSE);
}
return (TRUE);
}
/*
* Set Interface USB Request
* Parameters: None (global SetupPacket)
* Return Value: TRUE - Success, FALSE - Error
*/
__inline uint32_t
USB_ReqSetInterface (void)
{
USB_COMMON_DESCRIPTOR *pD;
uint32_t ifn = 0, alt = 0, old = 0, msk = 0;
uint32_t n, m;
uint32_t set;
switch (SetupPacket.bmRequestType.BM.Recipient)
{
case REQUEST_TO_INTERFACE:
if (USB_Configuration == 0)
return (FALSE);
set = FALSE;
pD = (USB_COMMON_DESCRIPTOR *) USB_ConfigDescriptor;
while (pD->bLength)
{
switch (pD->bDescriptorType)
{
case USB_CONFIGURATION_DESCRIPTOR_TYPE:
if (((USB_CONFIGURATION_DESCRIPTOR *) pD)->bConfigurationValue != USB_Configuration)
{
UsbAddPtr ((void **) &pD, ((USB_CONFIGURATION_DESCRIPTOR *) pD)->wTotalLength);
continue;
}
break;
case USB_INTERFACE_DESCRIPTOR_TYPE:
ifn = ((USB_INTERFACE_DESCRIPTOR *) pD)->bInterfaceNumber;
alt = ((USB_INTERFACE_DESCRIPTOR *) pD)->bAlternateSetting;
msk = 0;
if ((ifn == SetupPacket.wIndex.WB.L) && (alt == SetupPacket.wValue.WB.L))
{
set = TRUE;
old = USB_AltSetting[ifn];
USB_AltSetting[ifn] = (uint8_t) alt;
}
break;
case USB_ENDPOINT_DESCRIPTOR_TYPE:
if (ifn == SetupPacket.wIndex.WB.L)
{
n = ((USB_ENDPOINT_DESCRIPTOR *) pD)->bEndpointAddress & 0x8F;
m = (n & 0x80) ? ((1 << 16) << (n & 0x0F)) : (1 << n);
if (alt == SetupPacket.wValue.WB.L)
{
USB_EndPointMask |= m;
USB_EndPointHalt &= ~m;
USB_ConfigEP ((USB_ENDPOINT_DESCRIPTOR *) pD);
USB_EnableEP (n);
USB_ResetEP (n);
msk |= m;
}
else if ((alt == old) && ((msk & m) == 0))
{
USB_EndPointMask &= ~m;
USB_EndPointHalt &= ~m;
USB_DisableEP (n);
}
}
break;
}
UsbAddPtr ((void **) &pD, pD->bLength);
}
break;
default:
return (FALSE);
}
return (set);
}
/*
* USB Endpoint 0 Event Callback
* Parameters: event
* Return Value: none
*/
void
USB_EndPoint0 (uint32_t event)
{
switch (event)
{
case USB_EVT_SETUP:
USB_SetupStage ();
USB_DirCtrlEP (SetupPacket.bmRequestType.BM.Dir);
EP0Data.Count = SetupPacket.wLength; /* Number of bytes to transfer */
switch (SetupPacket.bmRequestType.BM.Type)
{
case REQUEST_STANDARD:
switch (SetupPacket.bRequest)
{
case USB_REQUEST_GET_STATUS:
if (!USB_ReqGetStatus ())
{
goto stall_i;
}
USB_DataInStage ();
break;
case USB_REQUEST_CLEAR_FEATURE:
if (!USB_ReqSetClrFeature (0))
{
goto stall_i;
}
USB_StatusInStage ();
#if USB_FEATURE_EVENT
USB_Feature_Event ();
#endif
break;
case USB_REQUEST_SET_FEATURE:
if (!USB_ReqSetClrFeature (1))
{
goto stall_i;
}
USB_StatusInStage ();
#if USB_FEATURE_EVENT
USB_Feature_Event ();
#endif
break;
case USB_REQUEST_SET_ADDRESS:
if (!USB_ReqSetAddress ())
{
goto stall_i;
}
USB_StatusInStage ();
break;
case USB_REQUEST_GET_DESCRIPTOR:
if (!USB_ReqGetDescriptor ())
{
goto stall_i;
}
USB_DataInStage ();
break;
case USB_REQUEST_SET_DESCRIPTOR:
/*stall_o: */ USB_SetStallEP (0x00);
/* not supported */
EP0Data.Count = 0;
break;
case USB_REQUEST_GET_CONFIGURATION:
if (!USB_ReqGetConfiguration ())
{
goto stall_i;
}
USB_DataInStage ();
break;
case USB_REQUEST_SET_CONFIGURATION:
if (!USB_ReqSetConfiguration ())
{
goto stall_i;
}
USB_StatusInStage ();
#if USB_CONFIGURE_EVENT
USB_Configure_Event ();
#endif
break;
case USB_REQUEST_GET_INTERFACE:
if (!USB_ReqGetInterface ())
{
goto stall_i;
}
USB_DataInStage ();
break;
case USB_REQUEST_SET_INTERFACE:
if (!USB_ReqSetInterface ())
{
goto stall_i;
}
USB_StatusInStage ();
#if USB_INTERFACE_EVENT
USB_Interface_Event ();
#endif
break;
default:
goto stall_i;
}
break; /* end case REQUEST_STANDARD */
#if USB_CLASS
case REQUEST_CLASS:
switch (SetupPacket.bmRequestType.BM.Recipient)
{
case REQUEST_TO_DEVICE:
goto stall_i; /* not supported */
case REQUEST_TO_INTERFACE:
#if USB_HID
if (SetupPacket.wIndex.WB.L == USB_HID_IF_NUM)
{ /* IF number correct? */
switch (SetupPacket.bRequest)
{
case HID_REQUEST_GET_REPORT:
if (HID_GetReport ())
{
EP0Data.pData = EP0Buf; /* point to data to be sent */
USB_DataInStage (); /* send requested data */
goto setup_class_ok;
}
break;
case HID_REQUEST_SET_REPORT:
EP0Data.pData = EP0Buf; /* data to be received */
goto setup_class_ok;
case HID_REQUEST_GET_IDLE:
if (HID_GetIdle ())
{
EP0Data.pData = EP0Buf; /* point to data to be sent */
USB_DataInStage (); /* send requested data */
goto setup_class_ok;
}
break;
case HID_REQUEST_SET_IDLE:
if (HID_SetIdle ())
{
USB_StatusInStage (); /* send Acknowledge */
goto setup_class_ok;
}
break;
case HID_REQUEST_GET_PROTOCOL:
if (HID_GetProtocol ())
{
EP0Data.pData = EP0Buf; /* point to data to be sent */
USB_DataInStage (); /* send requested data */
goto setup_class_ok;
}
break;
case HID_REQUEST_SET_PROTOCOL:
if (HID_SetProtocol ())
{
USB_StatusInStage (); /* send Acknowledge */
goto setup_class_ok;
}
break;
}
}
#endif /* USB_HID */
#if USB_MSC
if (SetupPacket.wIndex.WB.L == USB_MSC_IF_NUM)
{ /* IF number correct? */
switch (SetupPacket.bRequest)
{
case MSC_REQUEST_RESET:
if ((SetupPacket.wValue.W == 0) && /* RESET with invalid parameters -> STALL */
(SetupPacket.wLength == 0))
{
if (MSC_Reset ())
{
USB_StatusInStage ();
goto setup_class_ok;
}
}
break;
case MSC_REQUEST_GET_MAX_LUN:
if ((SetupPacket.wValue.W == 0) && /* GET_MAX_LUN with invalid parameters -> STALL */
(SetupPacket.wLength == 1))
{
if (MSC_GetMaxLUN ())
{
EP0Data.pData = EP0Buf;
USB_DataInStage ();
goto setup_class_ok;
}
}
break;
}
}
#endif /* USB_MSC */
#if USB_AUDIO
if ((SetupPacket.wIndex.WB.L == USB_ADC_CIF_NUM) || /* IF number correct? */
(SetupPacket.wIndex.WB.L == USB_ADC_SIF1_NUM) || (SetupPacket.wIndex.WB.L == USB_ADC_SIF2_NUM))
{
switch (SetupPacket.bRequest)
{
case AUDIO_REQUEST_GET_CUR:
case AUDIO_REQUEST_GET_MIN:
case AUDIO_REQUEST_GET_MAX:
case AUDIO_REQUEST_GET_RES:
if (ADC_IF_GetRequest ())
{
EP0Data.pData = EP0Buf; /* point to data to be sent */
USB_DataInStage (); /* send requested data */
goto setup_class_ok;
}
break;
case AUDIO_REQUEST_SET_CUR:
// case AUDIO_REQUEST_SET_MIN:
// case AUDIO_REQUEST_SET_MAX:
// case AUDIO_REQUEST_SET_RES:
EP0Data.pData = EP0Buf; /* data to be received */
goto setup_class_ok;
}
}
#endif /* USB_AUDIO */
#if USB_CDC
if ((SetupPacket.wIndex.WB.L == USB_CDC_CIF_NUM) || /* IF number correct? */
(SetupPacket.wIndex.WB.L == USB_CDC_DIF_NUM))
{
switch (SetupPacket.bRequest)
{
case CDC_SEND_ENCAPSULATED_COMMAND:
EP0Data.pData = EP0Buf; /* data to be received, see USB_EVT_OUT */
goto setup_class_ok;
case CDC_GET_ENCAPSULATED_RESPONSE:
if (CDC_GetEncapsulatedResponse ())
{
EP0Data.pData = EP0Buf; /* point to data to be sent */
USB_DataInStage (); /* send requested data */
goto setup_class_ok;
}
break;
case CDC_SET_COMM_FEATURE:
EP0Data.pData = EP0Buf; /* data to be received, see USB_EVT_OUT */
goto setup_class_ok;
case CDC_GET_COMM_FEATURE:
if (CDC_GetCommFeature (SetupPacket.wValue.W))
{
EP0Data.pData = EP0Buf; /* point to data to be sent */
USB_DataInStage (); /* send requested data */
goto setup_class_ok;
}
break;
case CDC_CLEAR_COMM_FEATURE:
if (CDC_ClearCommFeature (SetupPacket.wValue.W))
{
USB_StatusInStage (); /* send Acknowledge */
goto setup_class_ok;
}
break;
case CDC_SET_LINE_CODING:
EP0Data.pData = EP0Buf; /* data to be received, see USB_EVT_OUT */
goto setup_class_ok;
case CDC_GET_LINE_CODING:
if (CDC_GetLineCoding ())
{
EP0Data.pData = EP0Buf; /* point to data to be sent */
USB_DataInStage (); /* send requested data */
goto setup_class_ok;
}
break;
case CDC_SET_CONTROL_LINE_STATE:
if (CDC_SetControlLineState (SetupPacket.wValue.W))
{
USB_StatusInStage (); /* send Acknowledge */
goto setup_class_ok;
}
break;
case CDC_SEND_BREAK:
if (CDC_SendBreak (SetupPacket.wValue.W))
{
USB_StatusInStage (); /* send Acknowledge */
goto setup_class_ok;
}
break;
}
}
#endif /* USB_CDC */
goto stall_i; /* not supported */
/* end case REQUEST_TO_INTERFACE */
case REQUEST_TO_ENDPOINT:
#if USB_AUDIO
switch (SetupPacket.bRequest)
{
case AUDIO_REQUEST_GET_CUR:
case AUDIO_REQUEST_GET_MIN:
case AUDIO_REQUEST_GET_MAX:
case AUDIO_REQUEST_GET_RES:
if (ADC_EP_GetRequest ())
{
EP0Data.pData = EP0Buf; /* point to data to be sent */
USB_DataInStage (); /* send requested data */
goto setup_class_ok;
}
break;
case AUDIO_REQUEST_SET_CUR:
// case AUDIO_REQUEST_SET_MIN:
// case AUDIO_REQUEST_SET_MAX:
// case AUDIO_REQUEST_SET_RES:
EP0Data.pData = EP0Buf; /* data to be received */
goto setup_class_ok;
}
#endif /* USB_AUDIO */
goto stall_i;
/* end case REQUEST_TO_ENDPOINT */
default:
goto stall_i;
}
setup_class_ok: /* request finished successfully */
break; /* end case REQUEST_CLASS */
#endif /* USB_CLASS */
#if USB_VENDOR
case REQUEST_VENDOR:
switch (SetupPacket.bmRequestType.BM.Recipient)
{
case REQUEST_TO_DEVICE:
if (!USB_ReqVendorDev (TRUE))
{
goto stall_i; /* not supported */
}
break;
case REQUEST_TO_INTERFACE:
if (!USB_ReqVendorIF (TRUE))
{
goto stall_i; /* not supported */
}
break;
case REQUEST_TO_ENDPOINT:
if (!USB_ReqVendorEP (TRUE))
{
goto stall_i; /* not supported */
}
break;
default:
goto stall_i;
}
if (SetupPacket.wLength)
{
if (SetupPacket.bmRequestType.BM.Dir == REQUEST_DEVICE_TO_HOST)
{
USB_DataInStage ();
}
}
else
{
USB_StatusInStage ();
}
break; /* end case REQUEST_VENDOR */
#endif /* USB_VENDOR */
default:
stall_i:USB_SetStallEP (0x80);
EP0Data.Count = 0;
break;
}
break; /* end case USB_EVT_SETUP */
case USB_EVT_OUT:
if (SetupPacket.bmRequestType.BM.Dir == REQUEST_HOST_TO_DEVICE)
{
if (EP0Data.Count)
{ /* still data to receive ? */
USB_DataOutStage (); /* receive data */
if (EP0Data.Count == 0)
{ /* data complete ? */
switch (SetupPacket.bmRequestType.BM.Type)
{
case REQUEST_STANDARD:
goto stall_i; /* not supported */
#if (USB_CLASS)
case REQUEST_CLASS:
switch (SetupPacket.bmRequestType.BM.Recipient)
{
case REQUEST_TO_DEVICE:
goto stall_i; /* not supported */
case REQUEST_TO_INTERFACE:
#if USB_HID
if (SetupPacket.wIndex.WB.L == USB_HID_IF_NUM)
{ /* IF number correct? */
switch (SetupPacket.bRequest)
{
case HID_REQUEST_SET_REPORT:
if (HID_SetReport ())
{
USB_StatusInStage (); /* send Acknowledge */
goto out_class_ok;
}
break;
}
}
#endif /* USB_HID */
#if USB_AUDIO
if ((SetupPacket.wIndex.WB.L == USB_ADC_CIF_NUM) || /* IF number correct? */
(SetupPacket.wIndex.WB.L == USB_ADC_SIF1_NUM) || (SetupPacket.wIndex.WB.L == USB_ADC_SIF2_NUM))
{
switch (SetupPacket.bRequest)
{
case AUDIO_REQUEST_SET_CUR:
// case AUDIO_REQUEST_SET_MIN:
// case AUDIO_REQUEST_SET_MAX:
// case AUDIO_REQUEST_SET_RES:
if (ADC_IF_SetRequest ())
{
USB_StatusInStage (); /* send Acknowledge */
goto out_class_ok;
}
break;
}
}
#endif /* USB_AUDIO */
#if USB_CDC
if ((SetupPacket.wIndex.WB.L == USB_CDC_CIF_NUM) || /* IF number correct? */
(SetupPacket.wIndex.WB.L == USB_CDC_DIF_NUM))
{
switch (SetupPacket.bRequest)
{
case CDC_SEND_ENCAPSULATED_COMMAND:
if (CDC_SendEncapsulatedCommand ())
{
USB_StatusInStage (); /* send Acknowledge */
goto out_class_ok;
}
break;
case CDC_SET_COMM_FEATURE:
if (CDC_SetCommFeature (SetupPacket.wValue.W))
{
USB_StatusInStage (); /* send Acknowledge */
goto out_class_ok;
}
break;
case CDC_SET_LINE_CODING:
if (CDC_SetLineCoding ())
{
USB_StatusInStage (); /* send Acknowledge */
goto out_class_ok;
}
break;
}
}
#endif /* USB_CDC */
goto stall_i;
/* end case REQUEST_TO_INTERFACE */
case REQUEST_TO_ENDPOINT:
#if USB_AUDIO
switch (SetupPacket.bRequest)
{
case AUDIO_REQUEST_SET_CUR:
// case AUDIO_REQUEST_SET_MIN:
// case AUDIO_REQUEST_SET_MAX:
// case AUDIO_REQUEST_SET_RES:
if (ADC_EP_SetRequest ())
{
USB_StatusInStage (); /* send Acknowledge */
goto out_class_ok;
}
break;
}
#endif /* USB_AUDIO */
goto stall_i;
/* end case REQUEST_TO_ENDPOINT */
default:
goto stall_i;
}
out_class_ok: /* request finished successfully */
break; /* end case REQUEST_CLASS */
#endif /* USB_CLASS */
#if USB_VENDOR
case REQUEST_VENDOR:
switch (SetupPacket.bmRequestType.BM.Recipient)
{
case REQUEST_TO_DEVICE:
if (!USB_ReqVendorDev (FALSE))
{
goto stall_i; /* not supported */
}
break;
case REQUEST_TO_INTERFACE:
if (!USB_ReqVendorIF (FALSE))
{
goto stall_i; /* not supported */
}
break;
case REQUEST_TO_ENDPOINT:
if (!USB_ReqVendorEP (FALSE))
{
goto stall_i; /* not supported */
}
break;
default:
goto stall_i;
}
USB_StatusInStage ();
break; /* end case REQUEST_VENDOR */
#endif /* USB_VENDOR */
default:
goto stall_i;
}
}
}
}
else
{
USB_StatusOutStage (); /* receive Acknowledge */
}
break; /* end case USB_EVT_OUT */
case USB_EVT_IN:
if (SetupPacket.bmRequestType.BM.Dir == REQUEST_DEVICE_TO_HOST)
{
USB_DataInStage (); /* send data */
}
else
{
if (USB_DeviceAddress & 0x80)
{
USB_DeviceAddress &= 0x7F;
USB_SetAddress (USB_DeviceAddress);
}
}
break; /* end case USB_EVT_IN */
case USB_EVT_OUT_STALL:
USB_ClrStallEP (0x00);
break;
case USB_EVT_IN_STALL:
USB_ClrStallEP (0x80);
break;
}
}