Fix USB, DOS line endings, integrate and reorganize project
[rapper.git] / new_cmsis / usb / usbcore.c
diff --git a/new_cmsis/usb/usbcore.c b/new_cmsis/usb/usbcore.c
deleted file mode 100755 (executable)
index f80c7ee..0000000
+++ /dev/null
@@ -1,1112 +0,0 @@
-/*----------------------------------------------------------------------------\r
- *      U S B  -  K e r n e l\r
- *----------------------------------------------------------------------------\r
- * Name:    usbcore.c\r
- * Purpose: USB Core Module\r
- * Version: V1.20\r
- *----------------------------------------------------------------------------\r
- *      This software is supplied "AS IS" without any warranties, express,\r
- *      implied or statutory, including but not limited to the implied\r
- *      warranties of fitness for purpose, satisfactory quality and\r
- *      noninfringement. Keil extends you a royalty-free right to reproduce\r
- *      and distribute executable files created using this software for use\r
- *      on NXP Semiconductors LPC family microcontroller devices only. Nothing\r
- *      else gives you the right to use this software.\r
- *\r
- * Copyright (c) 2009 Keil - An ARM Company. All rights reserved.\r
- *----------------------------------------------------------------------------\r
- * History:\r
- *          V1.20 Added vendor specific requests\r
- *                Changed string descriptor handling\r
- *                Reworked Endpoint0\r
- *          V1.00 Initial Version\r
- *----------------------------------------------------------------------------*/\r
-#include "lpc_types.h"\r
-\r
-#include "usb.h"\r
-#include "usbcfg.h"\r
-#include "usbhw.h"\r
-#include "usbcore.h"\r
-#include "usbdesc.h"\r
-#include "usbuser.h"\r
-\r
-#if (USB_CLASS)\r
-\r
-#if (USB_AUDIO)\r
-#include "audio.h"\r
-#include "adcuser.h"\r
-#endif\r
-\r
-#if (USB_HID)\r
-#include "hid.h"\r
-#include "hiduser.h"\r
-#endif\r
-\r
-#if (USB_MSC)\r
-#include "msc.h"\r
-#include "mscuser.h"\r
-extern MSC_CSW CSW;\r
-#endif\r
-\r
-#if (USB_CDC)\r
-#include "cdc.h"\r
-#include "cdcuser.h"\r
-#endif\r
-\r
-#endif\r
-\r
-#if (USB_VENDOR)\r
-#include "vendor.h"\r
-#endif\r
-\r
-#if defined   (  __CC_ARM  )\r
-#pragma diag_suppress 111,1441\r
-#endif\r
-\r
-#if defined   (  __GNUC__  )\r
-#define __packed __attribute__((__packed__))\r
-#endif\r
-\r
-uint16_t  USB_DeviceStatus;\r
-uint8_t  USB_DeviceAddress;\r
-uint8_t  USB_Configuration;\r
-uint32_t USB_EndPointMask;\r
-uint32_t USB_EndPointHalt;\r
-uint32_t USB_EndPointStall;                         /* EP must stay stalled */\r
-uint8_t  USB_NumInterfaces;\r
-uint8_t  USB_AltSetting[USB_IF_NUM];\r
-\r
-uint8_t  EP0Buf[USB_MAX_PACKET0];\r
-\r
-\r
-USB_EP_DATA EP0Data;\r
-\r
-USB_SETUP_PACKET SetupPacket;\r
-\r
-\r
-/*\r
- *  Reset USB Core\r
- *    Parameters:      None\r
- *    Return Value:    None\r
- */\r
-\r
-void USB_ResetCore (void) {\r
-\r
-  USB_DeviceStatus  = USB_POWER;\r
-  USB_DeviceAddress = 0;\r
-  USB_Configuration = 0;\r
-  USB_EndPointMask  = 0x00010001;\r
-  USB_EndPointHalt  = 0x00000000;\r
-  USB_EndPointStall = 0x00000000;\r
-}\r
-\r
-\r
-/*\r
- *  USB Request - Setup Stage\r
- *    Parameters:      None (global SetupPacket)\r
- *    Return Value:    None\r
- */\r
-\r
-void USB_SetupStage (void) {\r
-  USB_ReadEP(0x00, (uint8_t *)&SetupPacket);\r
-}\r
-\r
-\r
-/*\r
- *  USB Request - Data In Stage\r
- *    Parameters:      None (global EP0Data)\r
- *    Return Value:    None\r
- */\r
-\r
-void USB_DataInStage (void) {\r
-  uint32_t cnt;\r
-\r
-  if (EP0Data.Count > USB_MAX_PACKET0) {\r
-    cnt = USB_MAX_PACKET0;\r
-  } else {\r
-    cnt = EP0Data.Count;\r
-  }\r
-  cnt = USB_WriteEP(0x80, EP0Data.pData, cnt);\r
-  EP0Data.pData += cnt;\r
-  EP0Data.Count -= cnt;\r
-}\r
-\r
-\r
-/*\r
- *  USB Request - Data Out Stage\r
- *    Parameters:      None (global EP0Data)\r
- *    Return Value:    None\r
- */\r
-\r
-void USB_DataOutStage (void) {\r
-  uint32_t cnt;\r
-\r
-  cnt = USB_ReadEP(0x00, EP0Data.pData);\r
-  EP0Data.pData += cnt;\r
-  EP0Data.Count -= cnt;\r
-}\r
-\r
-\r
-/*\r
- *  USB Request - Status In Stage\r
- *    Parameters:      None\r
- *    Return Value:    None\r
- */\r
-\r
-void USB_StatusInStage (void) {\r
-  USB_WriteEP(0x80, NULL, 0);\r
-}\r
-\r
-\r
-/*\r
- *  USB Request - Status Out Stage\r
- *    Parameters:      None\r
- *    Return Value:    None\r
- */\r
-\r
-void USB_StatusOutStage (void) {\r
-  USB_ReadEP(0x00, EP0Buf);\r
-}\r
-\r
-\r
-/*\r
- *  Get Status USB Request\r
- *    Parameters:      None (global SetupPacket)\r
- *    Return Value:    TRUE - Success, FALSE - Error\r
- */\r
-\r
-#if defined (  __IAR_SYSTEMS_ICC__  )\r
-inline uint32_t USB_ReqGetStatus (void) {\r
-#else  \r
-__inline uint32_t USB_ReqGetStatus (void) {\r
-#endif\r
-  uint32_t n, m;\r
-\r
-  switch (SetupPacket.bmRequestType.BM.Recipient) {\r
-    case REQUEST_TO_DEVICE:\r
-      EP0Data.pData = (uint8_t *)&USB_DeviceStatus;\r
-      break;\r
-    case REQUEST_TO_INTERFACE:\r
-      if ((USB_Configuration != 0) && (SetupPacket.wIndex.WB.L < USB_NumInterfaces)) {\r
-        *((__packed uint16_t *)EP0Buf) = 0;\r
-         *((uint16_t *)EP0Buf) = 0;\r
-        EP0Data.pData = EP0Buf;\r
-      } else {\r
-        return (FALSE);\r
-      }\r
-      break;\r
-    case REQUEST_TO_ENDPOINT:\r
-      n = SetupPacket.wIndex.WB.L & 0x8F;\r
-      m = (n & 0x80) ? ((1 << 16) << (n & 0x0F)) : (1 << n);\r
-      if (((USB_Configuration != 0) || ((n & 0x0F) == 0)) && (USB_EndPointMask & m)) {\r
-        *((__packed uint16_t *)EP0Buf) = (USB_EndPointHalt & m) ? 1 : 0;\r
-         *((uint16_t *)EP0Buf) = (USB_EndPointHalt & m) ? 1 : 0;\r
-        EP0Data.pData = EP0Buf;\r
-      } else {\r
-        return (FALSE);\r
-      }\r
-      break;\r
-    default:\r
-      return (FALSE);\r
-  }\r
-  return (TRUE);\r
-}\r
-\r
-\r
-/*\r
- *  Set/Clear Feature USB Request\r
- *    Parameters:      sc:    0 - Clear, 1 - Set\r
- *                            (global SetupPacket)\r
- *    Return Value:    TRUE - Success, FALSE - Error\r
- */\r
-\r
-#if defined (  __IAR_SYSTEMS_ICC__  )\r
-inline uint32_t USB_ReqSetClrFeature (uint32_t sc) {\r
-#else\r
-__inline uint32_t USB_ReqSetClrFeature (uint32_t sc) {\r
-#endif\r
-  uint32_t n, m;\r
-\r
-  switch (SetupPacket.bmRequestType.BM.Recipient) {\r
-    case REQUEST_TO_DEVICE:\r
-      if (SetupPacket.wValue.W == USB_FEATURE_REMOTE_WAKEUP) {\r
-        if (sc) {\r
-          USB_WakeUpCfg(TRUE);\r
-          USB_DeviceStatus |=  USB_GETSTATUS_REMOTE_WAKEUP;\r
-        } else {\r
-          USB_WakeUpCfg(FALSE);\r
-          USB_DeviceStatus &= ~USB_GETSTATUS_REMOTE_WAKEUP;\r
-        }\r
-      } else {\r
-        return (FALSE);\r
-      }\r
-      break;\r
-    case REQUEST_TO_INTERFACE:\r
-      return (FALSE);\r
-    case REQUEST_TO_ENDPOINT:\r
-      n = SetupPacket.wIndex.WB.L & 0x8F;\r
-      m = (n & 0x80) ? ((1 << 16) << (n & 0x0F)) : (1 << n);\r
-      if ((USB_Configuration != 0) && ((n & 0x0F) != 0) && (USB_EndPointMask & m)) {\r
-        if (SetupPacket.wValue.W == USB_FEATURE_ENDPOINT_STALL) {\r
-          if (sc) {\r
-            USB_SetStallEP(n);\r
-            USB_EndPointHalt |=  m;\r
-          } else {\r
-            if ((USB_EndPointStall & m) != 0) {\r
-              return (TRUE);\r
-            }\r
-            USB_ClrStallEP(n);\r
-#if (USB_MSC)\r
-            if ((n == MSC_EP_IN) && ((USB_EndPointHalt & m) != 0)) {\r
-              /* Compliance Test: rewrite CSW after unstall */\r
-              if (CSW.dSignature == MSC_CSW_Signature) {\r
-                USB_WriteEP(MSC_EP_IN, (uint8_t *)&CSW, sizeof(CSW));\r
-              }\r
-            }\r
-#endif\r
-            USB_EndPointHalt &= ~m;\r
-          }\r
-        } else {\r
-          return (FALSE);\r
-        }\r
-      } else {\r
-        return (FALSE);\r
-      }\r
-      break;\r
-    default:\r
-      return (FALSE);\r
-  }\r
-  return (TRUE);\r
-}\r
-\r
-\r
-/*\r
- *  Set Address USB Request\r
- *    Parameters:      None (global SetupPacket)\r
- *    Return Value:    TRUE - Success, FALSE - Error\r
- */\r
-\r
-#if defined (  __IAR_SYSTEMS_ICC__  )\r
-inline uint32_t USB_ReqSetAddress (void) {\r
-#else\r
-__inline uint32_t USB_ReqSetAddress (void) {\r
-#endif\r
-  switch (SetupPacket.bmRequestType.BM.Recipient) {\r
-    case REQUEST_TO_DEVICE:\r
-      USB_DeviceAddress = 0x80 | SetupPacket.wValue.WB.L;\r
-      break;\r
-    default:\r
-      return (FALSE);\r
-  }\r
-  return (TRUE);\r
-}\r
-\r
-\r
-/*\r
- *  Get Descriptor USB Request\r
- *    Parameters:      None (global SetupPacket)\r
- *    Return Value:    TRUE - Success, FALSE - Error\r
- */\r
-\r
-#if defined (  __IAR_SYSTEMS_ICC__  )\r
-inline uint32_t USB_ReqGetDescriptor (void) {\r
-#else\r
-__inline uint32_t USB_ReqGetDescriptor (void) {\r
-#endif\r
-  uint8_t  *pD;\r
-  uint32_t len, n;\r
-\r
-  switch (SetupPacket.bmRequestType.BM.Recipient) {\r
-    case REQUEST_TO_DEVICE:\r
-      switch (SetupPacket.wValue.WB.H) {\r
-        case USB_DEVICE_DESCRIPTOR_TYPE:\r
-          EP0Data.pData = (uint8_t *)USB_DeviceDescriptor;\r
-          len = USB_DEVICE_DESC_SIZE;\r
-          break;\r
-        case USB_CONFIGURATION_DESCRIPTOR_TYPE:\r
-          pD = (uint8_t *)USB_ConfigDescriptor;\r
-          for (n = 0; n != SetupPacket.wValue.WB.L; n++) {\r
-            if (((USB_CONFIGURATION_DESCRIPTOR *)pD)->bLength != 0) {\r
-              pD += ((USB_CONFIGURATION_DESCRIPTOR *)pD)->wTotalLength;\r
-            }\r
-          }\r
-          if (((USB_CONFIGURATION_DESCRIPTOR *)pD)->bLength == 0) {\r
-            return (FALSE);\r
-          }\r
-          EP0Data.pData = pD;\r
-          len = ((USB_CONFIGURATION_DESCRIPTOR *)pD)->wTotalLength;\r
-          break;\r
-        case USB_STRING_DESCRIPTOR_TYPE:\r
-          pD = (uint8_t *)USB_StringDescriptor;\r
-          for (n = 0; n != SetupPacket.wValue.WB.L; n++) {\r
-            if (((USB_STRING_DESCRIPTOR *)pD)->bLength != 0) {\r
-              pD += ((USB_STRING_DESCRIPTOR *)pD)->bLength;\r
-            }\r
-          }\r
-          if (((USB_STRING_DESCRIPTOR *)pD)->bLength == 0) {\r
-            return (FALSE);\r
-          }\r
-          EP0Data.pData = pD;\r
-          len = ((USB_STRING_DESCRIPTOR *)EP0Data.pData)->bLength;\r
-          break;\r
-        default:\r
-          return (FALSE);\r
-      }\r
-      break;\r
-    case REQUEST_TO_INTERFACE:\r
-      switch (SetupPacket.wValue.WB.H) {\r
-#if USB_HID\r
-        case HID_HID_DESCRIPTOR_TYPE:\r
-          if (SetupPacket.wIndex.WB.L != USB_HID_IF_NUM) {\r
-            return (FALSE);    /* Only Single HID Interface is supported */\r
-          }\r
-          EP0Data.pData = (uint8_t *)USB_ConfigDescriptor + HID_DESC_OFFSET;\r
-          len = HID_DESC_SIZE;\r
-          break;\r
-        case HID_REPORT_DESCRIPTOR_TYPE:\r
-          if (SetupPacket.wIndex.WB.L != USB_HID_IF_NUM) {\r
-            return (FALSE);    /* Only Single HID Interface is supported */\r
-          }\r
-          EP0Data.pData = (uint8_t *)HID_ReportDescriptor;\r
-          len = HID_ReportDescSize;\r
-          break;\r
-        case HID_PHYSICAL_DESCRIPTOR_TYPE:\r
-          return (FALSE);      /* HID Physical Descriptor is not supported */\r
-#endif\r
-        default:\r
-          return (FALSE);\r
-      }\r
-//      break;\r
-    default:\r
-      return (FALSE);\r
-  }\r
-\r
-  if (EP0Data.Count > len) {\r
-    EP0Data.Count = len;\r
-  }\r
-\r
-  return (TRUE);\r
-}\r
-\r
-\r
-/*\r
- *  Get Configuration USB Request\r
- *    Parameters:      None (global SetupPacket)\r
- *    Return Value:    TRUE - Success, FALSE - Error\r
- */\r
-\r
-#if defined (  __IAR_SYSTEMS_ICC__  )\r
-inline uint32_t USB_ReqGetConfiguration (void) {\r
-#else\r
-__inline uint32_t USB_ReqGetConfiguration (void) {\r
-#endif\r
-  switch (SetupPacket.bmRequestType.BM.Recipient) {\r
-    case REQUEST_TO_DEVICE:\r
-      EP0Data.pData = &USB_Configuration;\r
-      break;\r
-    default:\r
-      return (FALSE);\r
-  }\r
-  return (TRUE);\r
-}\r
-\r
-\r
-/*\r
- *  Set Configuration USB Request\r
- *    Parameters:      None (global SetupPacket)\r
- *    Return Value:    TRUE - Success, FALSE - Error\r
- */\r
-\r
-#if defined (  __IAR_SYSTEMS_ICC__  )\r
-inline uint32_t USB_ReqSetConfiguration (void) {\r
-#else\r
-__inline uint32_t USB_ReqSetConfiguration (void) {\r
-#endif\r
-  USB_COMMON_DESCRIPTOR *pD;\r
-  uint32_t alt = 0;\r
-  uint32_t n, m;\r
-  uint32_t tmp;\r
-\r
-  switch (SetupPacket.bmRequestType.BM.Recipient) {\r
-    case REQUEST_TO_DEVICE:\r
-\r
-      if (SetupPacket.wValue.WB.L) {\r
-        pD = (USB_COMMON_DESCRIPTOR *)USB_ConfigDescriptor;\r
-        while (pD->bLength) {\r
-          switch (pD->bDescriptorType) {\r
-            case USB_CONFIGURATION_DESCRIPTOR_TYPE:\r
-              if (((USB_CONFIGURATION_DESCRIPTOR *)pD)->bConfigurationValue == SetupPacket.wValue.WB.L) {\r
-                USB_Configuration = SetupPacket.wValue.WB.L;\r
-                USB_NumInterfaces = ((USB_CONFIGURATION_DESCRIPTOR *)pD)->bNumInterfaces;\r
-                for (n = 0; n < USB_IF_NUM; n++) {\r
-                  USB_AltSetting[n] = 0;\r
-                }\r
-                for (n = 1; n < 16; n++) {\r
-                  if (USB_EndPointMask & (1 << n)) {\r
-                    USB_DisableEP(n);\r
-                  }\r
-                  if (USB_EndPointMask & ((1 << 16) << n)) {\r
-                    USB_DisableEP(n | 0x80);\r
-                  }\r
-                }\r
-                USB_EndPointMask = 0x00010001;\r
-                USB_EndPointHalt = 0x00000000;\r
-                USB_EndPointStall= 0x00000000;\r
-                USB_Configure(TRUE);\r
-                if (((USB_CONFIGURATION_DESCRIPTOR *)pD)->bmAttributes & USB_CONFIG_POWERED_MASK) {\r
-                  USB_DeviceStatus |=  USB_GETSTATUS_SELF_POWERED;\r
-                } else {\r
-                  USB_DeviceStatus &= ~USB_GETSTATUS_SELF_POWERED;\r
-                }\r
-              } else {\r
-//                (uint8_t *)pD += ((USB_CONFIGURATION_DESCRIPTOR *)pD)->wTotalLength;\r
-                 tmp = (uint32_t)pD;\r
-                 tmp += ((USB_CONFIGURATION_DESCRIPTOR *)pD)->wTotalLength;\r
-                 pD = (USB_COMMON_DESCRIPTOR *)tmp;\r
-                 continue;\r
-              }\r
-              break;\r
-            case USB_INTERFACE_DESCRIPTOR_TYPE:\r
-              alt = ((USB_INTERFACE_DESCRIPTOR *)pD)->bAlternateSetting;\r
-              break;\r
-            case USB_ENDPOINT_DESCRIPTOR_TYPE:\r
-              if (alt == 0) {\r
-                n = ((USB_ENDPOINT_DESCRIPTOR *)pD)->bEndpointAddress & 0x8F;\r
-                m = (n & 0x80) ? ((1 << 16) << (n & 0x0F)) : (1 << n);\r
-                USB_EndPointMask |= m;\r
-                USB_ConfigEP((USB_ENDPOINT_DESCRIPTOR *)pD);\r
-                USB_EnableEP(n);\r
-                USB_ResetEP(n);\r
-              }\r
-              break;\r
-          }\r
-//          (uint8_t *)pD += pD->bLength;\r
-                       tmp = (uint32_t)pD;\r
-                       tmp += pD->bLength;\r
-                       pD = (USB_COMMON_DESCRIPTOR *)tmp;\r
-        }\r
-      }\r
-      else {\r
-        USB_Configuration = 0;\r
-        for (n = 1; n < 16; n++) {\r
-          if (USB_EndPointMask & (1 << n)) {\r
-            USB_DisableEP(n);\r
-          }\r
-          if (USB_EndPointMask & ((1 << 16) << n)) {\r
-            USB_DisableEP(n | 0x80);\r
-          }\r
-        }\r
-        USB_EndPointMask  = 0x00010001;\r
-        USB_EndPointHalt  = 0x00000000;\r
-        USB_EndPointStall = 0x00000000;\r
-        USB_Configure(FALSE);\r
-      }\r
-\r
-      if (USB_Configuration != SetupPacket.wValue.WB.L) {\r
-        return (FALSE);\r
-      }\r
-      break;\r
-    default:\r
-      return (FALSE);\r
-  }\r
-  return (TRUE);\r
-}\r
-\r
-\r
-/*\r
- *  Get Interface USB Request\r
- *    Parameters:      None (global SetupPacket)\r
- *    Return Value:    TRUE - Success, FALSE - Error\r
- */\r
-\r
-#if defined (  __IAR_SYSTEMS_ICC__  )\r
-inline uint32_t USB_ReqGetInterface (void) {\r
-#else\r
-__inline uint32_t USB_ReqGetInterface (void) {\r
-#endif\r
-  switch (SetupPacket.bmRequestType.BM.Recipient) {\r
-    case REQUEST_TO_INTERFACE:\r
-      if ((USB_Configuration != 0) && (SetupPacket.wIndex.WB.L < USB_NumInterfaces)) {\r
-        EP0Data.pData = USB_AltSetting + SetupPacket.wIndex.WB.L;\r
-      } else {\r
-        return (FALSE);\r
-      }\r
-      break;\r
-    default:\r
-      return (FALSE);\r
-  }\r
-  return (TRUE);\r
-}\r
-\r
-\r
-/*\r
- *  Set Interface USB Request\r
- *    Parameters:      None (global SetupPacket)\r
- *    Return Value:    TRUE - Success, FALSE - Error\r
- */\r
-#if defined (  __IAR_SYSTEMS_ICC__  )\r
-inline uint32_t USB_ReqSetInterface (void) {\r
-#else\r
-__inline uint32_t USB_ReqSetInterface (void) {\r
-#endif\r
-  USB_COMMON_DESCRIPTOR *pD;\r
-  uint32_t ifn = 0, alt = 0, old = 0, msk = 0;\r
-  uint32_t n, m;\r
-  uint32_t set;\r
-  uint32_t tmp;\r
-\r
-  switch (SetupPacket.bmRequestType.BM.Recipient) {\r
-    case REQUEST_TO_INTERFACE:\r
-      if (USB_Configuration == 0) return (FALSE);\r
-      set = FALSE;\r
-      pD  = (USB_COMMON_DESCRIPTOR *)USB_ConfigDescriptor;\r
-      while (pD->bLength) {\r
-        switch (pD->bDescriptorType) {\r
-          case USB_CONFIGURATION_DESCRIPTOR_TYPE:\r
-            if (((USB_CONFIGURATION_DESCRIPTOR *)pD)->bConfigurationValue != USB_Configuration) {\r
-//              (uint8_t *)pD += ((USB_CONFIGURATION_DESCRIPTOR *)pD)->wTotalLength;\r
-               tmp = (uint32_t)pD;\r
-               tmp += ((USB_CONFIGURATION_DESCRIPTOR *)pD)->wTotalLength;\r
-               pD = (USB_COMMON_DESCRIPTOR *)tmp;\r
-\r
-              continue;\r
-            }\r
-            break;\r
-          case USB_INTERFACE_DESCRIPTOR_TYPE:\r
-            ifn = ((USB_INTERFACE_DESCRIPTOR *)pD)->bInterfaceNumber;\r
-            alt = ((USB_INTERFACE_DESCRIPTOR *)pD)->bAlternateSetting;\r
-            msk = 0;\r
-            if ((ifn == SetupPacket.wIndex.WB.L) && (alt == SetupPacket.wValue.WB.L)) {\r
-              set = TRUE;\r
-              old = USB_AltSetting[ifn];\r
-              USB_AltSetting[ifn] = (uint8_t)alt;\r
-            }\r
-            break;\r
-          case USB_ENDPOINT_DESCRIPTOR_TYPE:\r
-            if (ifn == SetupPacket.wIndex.WB.L) {\r
-              n = ((USB_ENDPOINT_DESCRIPTOR *)pD)->bEndpointAddress & 0x8F;\r
-              m = (n & 0x80) ? ((1 << 16) << (n & 0x0F)) : (1 << n);\r
-              if (alt == SetupPacket.wValue.WB.L) {\r
-                USB_EndPointMask |=  m;\r
-                USB_EndPointHalt &= ~m;\r
-                USB_ConfigEP((USB_ENDPOINT_DESCRIPTOR *)pD);\r
-                USB_EnableEP(n);\r
-                USB_ResetEP(n);\r
-                msk |= m;\r
-              }\r
-              else if ((alt == old) && ((msk & m) == 0)) {\r
-                USB_EndPointMask &= ~m;\r
-                USB_EndPointHalt &= ~m;\r
-                USB_DisableEP(n);\r
-              }\r
-            }\r
-           break;\r
-        }\r
-//        (uint8_t *)pD += pD->bLength;\r
-                       tmp = (uint32_t)pD;\r
-                       tmp += pD->bLength;\r
-                       pD = (USB_COMMON_DESCRIPTOR *)tmp;\r
-      }\r
-      break;\r
-    default:\r
-      return (FALSE);\r
-  }\r
-\r
-  return (set);\r
-}\r
-\r
-\r
-/*\r
- *  USB Endpoint 0 Event Callback\r
- *    Parameters:      event\r
- *    Return Value:    none\r
- */\r
-\r
-void USB_EndPoint0 (uint32_t event) {\r
-\r
-  switch (event) {\r
-    case USB_EVT_SETUP:\r
-      USB_SetupStage();\r
-      USB_DirCtrlEP(SetupPacket.bmRequestType.BM.Dir);\r
-      EP0Data.Count = SetupPacket.wLength;     /* Number of bytes to transfer */\r
-      switch (SetupPacket.bmRequestType.BM.Type) {\r
-\r
-        case REQUEST_STANDARD:\r
-          switch (SetupPacket.bRequest) {\r
-            case USB_REQUEST_GET_STATUS:\r
-              if (!USB_ReqGetStatus()) {\r
-                goto stall_i;\r
-              }\r
-              USB_DataInStage();\r
-              break;\r
-\r
-            case USB_REQUEST_CLEAR_FEATURE:\r
-              if (!USB_ReqSetClrFeature(0)) {\r
-                goto stall_i;\r
-              }\r
-              USB_StatusInStage();\r
-#if USB_FEATURE_EVENT\r
-              USB_Feature_Event();\r
-#endif\r
-              break;\r
-\r
-            case USB_REQUEST_SET_FEATURE:\r
-              if (!USB_ReqSetClrFeature(1)) {\r
-                goto stall_i;\r
-              }\r
-              USB_StatusInStage();\r
-#if USB_FEATURE_EVENT\r
-              USB_Feature_Event();\r
-#endif\r
-              break;\r
-\r
-            case USB_REQUEST_SET_ADDRESS:\r
-              if (!USB_ReqSetAddress()) {\r
-                goto stall_i;\r
-              }\r
-              USB_StatusInStage();\r
-              break;\r
-\r
-            case USB_REQUEST_GET_DESCRIPTOR:\r
-              if (!USB_ReqGetDescriptor()) {\r
-                goto stall_i;\r
-              }\r
-              USB_DataInStage();\r
-              break;\r
-\r
-            case USB_REQUEST_SET_DESCRIPTOR:\r
-/*stall_o:*/  USB_SetStallEP(0x00);            /* not supported */\r
-              EP0Data.Count = 0;\r
-              break;\r
-\r
-            case USB_REQUEST_GET_CONFIGURATION:\r
-              if (!USB_ReqGetConfiguration()) {\r
-                goto stall_i;\r
-              }\r
-              USB_DataInStage();\r
-              break;\r
-\r
-            case USB_REQUEST_SET_CONFIGURATION:\r
-              if (!USB_ReqSetConfiguration()) {\r
-                goto stall_i;\r
-              }\r
-              USB_StatusInStage();\r
-#if USB_CONFIGURE_EVENT\r
-              USB_Configure_Event();\r
-#endif\r
-              break;\r
-\r
-            case USB_REQUEST_GET_INTERFACE:\r
-              if (!USB_ReqGetInterface()) {\r
-                goto stall_i;\r
-              }\r
-              USB_DataInStage();\r
-              break;\r
-\r
-            case USB_REQUEST_SET_INTERFACE:\r
-              if (!USB_ReqSetInterface()) {\r
-                goto stall_i;\r
-              }\r
-              USB_StatusInStage();\r
-#if USB_INTERFACE_EVENT\r
-              USB_Interface_Event();\r
-#endif\r
-              break;\r
-\r
-            default:\r
-              goto stall_i;\r
-          }\r
-          break;  /* end case REQUEST_STANDARD */\r
-\r
-#if USB_CLASS\r
-        case REQUEST_CLASS:\r
-          switch (SetupPacket.bmRequestType.BM.Recipient) {\r
-\r
-            case REQUEST_TO_DEVICE:\r
-              goto stall_i;                                              /* not supported */\r
-\r
-            case REQUEST_TO_INTERFACE:\r
-#if USB_HID\r
-              if (SetupPacket.wIndex.WB.L == USB_HID_IF_NUM) {           /* IF number correct? */\r
-                switch (SetupPacket.bRequest) {\r
-                  case HID_REQUEST_GET_REPORT:\r
-                    if (HID_GetReport()) {\r
-                      EP0Data.pData = EP0Buf;                            /* point to data to be sent */\r
-                      USB_DataInStage();                                 /* send requested data */\r
-                      goto setup_class_ok;\r
-                    }\r
-                    break;\r
-                  case HID_REQUEST_SET_REPORT:\r
-                    EP0Data.pData = EP0Buf;                              /* data to be received */\r
-                    goto setup_class_ok;\r
-                  case HID_REQUEST_GET_IDLE:\r
-                    if (HID_GetIdle()) {\r
-                      EP0Data.pData = EP0Buf;                            /* point to data to be sent */\r
-                      USB_DataInStage();                                 /* send requested data */\r
-                      goto setup_class_ok;\r
-                    }\r
-                    break;\r
-                  case HID_REQUEST_SET_IDLE:\r
-                    if (HID_SetIdle()) {\r
-                      USB_StatusInStage();                               /* send Acknowledge */\r
-                      goto setup_class_ok;\r
-                    }\r
-                    break;\r
-                  case HID_REQUEST_GET_PROTOCOL:\r
-                    if (HID_GetProtocol()) {\r
-                      EP0Data.pData = EP0Buf;                            /* point to data to be sent */\r
-                      USB_DataInStage();                                 /* send requested data */\r
-                      goto setup_class_ok;\r
-                    }\r
-                    break;\r
-                  case HID_REQUEST_SET_PROTOCOL:\r
-                    if (HID_SetProtocol()) {\r
-                      USB_StatusInStage();                               /* send Acknowledge */\r
-                      goto setup_class_ok;\r
-                    }\r
-                    break;\r
-                }\r
-              }\r
-#endif  /* USB_HID */\r
-#if USB_MSC\r
-              if (SetupPacket.wIndex.WB.L == USB_MSC_IF_NUM) {           /* IF number correct? */\r
-                switch (SetupPacket.bRequest) {\r
-                  case MSC_REQUEST_RESET:\r
-                    if ((SetupPacket.wValue.W == 0) &&                  /* RESET with invalid parameters -> STALL */\r
-                        (SetupPacket.wLength  == 0)) {\r
-                      if (MSC_Reset()) {\r
-                        USB_StatusInStage();\r
-                        goto setup_class_ok;\r
-                      }\r
-                    }\r
-                    break;\r
-                  case MSC_REQUEST_GET_MAX_LUN:\r
-                    if ((SetupPacket.wValue.W == 0) &&                  /* GET_MAX_LUN with invalid parameters -> STALL */\r
-                        (SetupPacket.wLength  == 1)) {\r
-                      if (MSC_GetMaxLUN()) {\r
-                        EP0Data.pData = EP0Buf;\r
-                        USB_DataInStage();\r
-                        goto setup_class_ok;\r
-                      }\r
-                    }\r
-                    break;\r
-                }\r
-              }\r
-#endif  /* USB_MSC */\r
-#if USB_AUDIO\r
-              if ((SetupPacket.wIndex.WB.L == USB_ADC_CIF_NUM)  ||       /* IF number correct? */\r
-                  (SetupPacket.wIndex.WB.L == USB_ADC_SIF1_NUM) ||\r
-                  (SetupPacket.wIndex.WB.L == USB_ADC_SIF2_NUM)) {\r
-                switch (SetupPacket.bRequest) {\r
-                  case AUDIO_REQUEST_GET_CUR:\r
-                  case AUDIO_REQUEST_GET_MIN:\r
-                  case AUDIO_REQUEST_GET_MAX:\r
-                  case AUDIO_REQUEST_GET_RES:\r
-                    if (ADC_IF_GetRequest()) {\r
-                      EP0Data.pData = EP0Buf;                            /* point to data to be sent */\r
-                      USB_DataInStage();                                 /* send requested data */\r
-                      goto setup_class_ok;\r
-                    }\r
-                    break;\r
-                  case AUDIO_REQUEST_SET_CUR:\r
-//                case AUDIO_REQUEST_SET_MIN:\r
-//                case AUDIO_REQUEST_SET_MAX:\r
-//                case AUDIO_REQUEST_SET_RES:\r
-                    EP0Data.pData = EP0Buf;                              /* data to be received */\r
-                    goto setup_class_ok;\r
-                }\r
-              }\r
-#endif  /* USB_AUDIO */\r
-#if USB_CDC\r
-              if ((SetupPacket.wIndex.WB.L == USB_CDC_CIF_NUM)  ||       /* IF number correct? */\r
-                  (SetupPacket.wIndex.WB.L == USB_CDC_DIF_NUM)) {\r
-                switch (SetupPacket.bRequest) {\r
-                  case CDC_SEND_ENCAPSULATED_COMMAND:\r
-                    EP0Data.pData = EP0Buf;                              /* data to be received, see USB_EVT_OUT */\r
-                    goto setup_class_ok;\r
-                  case CDC_GET_ENCAPSULATED_RESPONSE:\r
-                    if (CDC_GetEncapsulatedResponse()) {\r
-                      EP0Data.pData = EP0Buf;                            /* point to data to be sent */\r
-                      USB_DataInStage();                                 /* send requested data */\r
-                      goto setup_class_ok;\r
-                    }\r
-                    break;\r
-                  case CDC_SET_COMM_FEATURE:\r
-                    EP0Data.pData = EP0Buf;                              /* data to be received, see USB_EVT_OUT */\r
-                    goto setup_class_ok;\r
-                  case CDC_GET_COMM_FEATURE:\r
-                    if (CDC_GetCommFeature(SetupPacket.wValue.W)) {\r
-                      EP0Data.pData = EP0Buf;                            /* point to data to be sent */\r
-                      USB_DataInStage();                                 /* send requested data */\r
-                      goto setup_class_ok;\r
-                    }\r
-                    break;\r
-                  case CDC_CLEAR_COMM_FEATURE:\r
-                    if (CDC_ClearCommFeature(SetupPacket.wValue.W)) {\r
-                      USB_StatusInStage();                               /* send Acknowledge */\r
-                      goto setup_class_ok;\r
-                    }\r
-                    break;\r
-                  case CDC_SET_LINE_CODING:\r
-                    EP0Data.pData = EP0Buf;                              /* data to be received, see USB_EVT_OUT */\r
-                    goto setup_class_ok;\r
-                  case CDC_GET_LINE_CODING:\r
-                    if (CDC_GetLineCoding()) {\r
-                      EP0Data.pData = EP0Buf;                            /* point to data to be sent */\r
-                      USB_DataInStage();                                 /* send requested data */\r
-                      goto setup_class_ok;\r
-                    }\r
-                    break;\r
-                  case CDC_SET_CONTROL_LINE_STATE:\r
-                    if (CDC_SetControlLineState(SetupPacket.wValue.W)) {\r
-                      USB_StatusInStage();                               /* send Acknowledge */\r
-                      goto setup_class_ok;\r
-                    }\r
-                    break;\r
-                  case CDC_SEND_BREAK:\r
-                    if (CDC_SendBreak(SetupPacket.wValue.W)) {\r
-                      USB_StatusInStage();                               /* send Acknowledge */\r
-                      goto setup_class_ok;\r
-                    }\r
-                    break;\r
-                }\r
-              }\r
-#endif  /* USB_CDC */\r
-              goto stall_i;                                              /* not supported */\r
-              /* end case REQUEST_TO_INTERFACE */\r
-\r
-            case REQUEST_TO_ENDPOINT:\r
-#if USB_AUDIO\r
-              switch (SetupPacket.bRequest) {\r
-                case AUDIO_REQUEST_GET_CUR:\r
-                case AUDIO_REQUEST_GET_MIN:\r
-                case AUDIO_REQUEST_GET_MAX:\r
-                case AUDIO_REQUEST_GET_RES:\r
-                  if (ADC_EP_GetRequest()) {\r
-                    EP0Data.pData = EP0Buf;                              /* point to data to be sent */\r
-                    USB_DataInStage();                                   /* send requested data */\r
-                    goto setup_class_ok;\r
-                  }\r
-                  break;\r
-                case AUDIO_REQUEST_SET_CUR:\r
-//              case AUDIO_REQUEST_SET_MIN:\r
-//              case AUDIO_REQUEST_SET_MAX:\r
-//              case AUDIO_REQUEST_SET_RES:\r
-                  EP0Data.pData = EP0Buf;                                /* data to be received */\r
-                  goto setup_class_ok;\r
-              }\r
-#endif  /* USB_AUDIO */\r
-              goto stall_i;\r
-              /* end case REQUEST_TO_ENDPOINT */\r
-\r
-            default:\r
-              goto stall_i;\r
-          }\r
-setup_class_ok:                                                          /* request finished successfully */\r
-          break;  /* end case REQUEST_CLASS */\r
-#endif  /* USB_CLASS */\r
-\r
-#if USB_VENDOR\r
-        case REQUEST_VENDOR:\r
-          switch (SetupPacket.bmRequestType.BM.Recipient) {\r
-\r
-            case REQUEST_TO_DEVICE:\r
-              if (!USB_ReqVendorDev(TRUE)) {\r
-                goto stall_i;                                            /* not supported */\r
-              }\r
-              break;\r
-\r
-            case REQUEST_TO_INTERFACE:\r
-              if (!USB_ReqVendorIF(TRUE)) {\r
-                goto stall_i;                                            /* not supported */\r
-              }\r
-              break;\r
-\r
-            case REQUEST_TO_ENDPOINT:\r
-              if (!USB_ReqVendorEP(TRUE)) {\r
-                goto stall_i;                                            /* not supported */\r
-              }\r
-              break;\r
-\r
-            default:\r
-              goto stall_i;\r
-          }\r
-\r
-          if (SetupPacket.wLength) {\r
-            if (SetupPacket.bmRequestType.BM.Dir == REQUEST_DEVICE_TO_HOST) {\r
-              USB_DataInStage();\r
-            }\r
-          } else {\r
-            USB_StatusInStage();\r
-          }\r
-\r
-          break;  /* end case REQUEST_VENDOR */\r
-#endif  /* USB_VENDOR */\r
-\r
-        default:\r
-stall_i:  USB_SetStallEP(0x80);\r
-          EP0Data.Count = 0;\r
-          break;\r
-      }\r
-      break;  /* end case USB_EVT_SETUP */\r
-\r
-    case USB_EVT_OUT:\r
-      if (SetupPacket.bmRequestType.BM.Dir == REQUEST_HOST_TO_DEVICE) {\r
-        if (EP0Data.Count) {                                             /* still data to receive ? */\r
-          USB_DataOutStage();                                            /* receive data */\r
-          if (EP0Data.Count == 0) {                                      /* data complete ? */\r
-            switch (SetupPacket.bmRequestType.BM.Type) {\r
-\r
-              case REQUEST_STANDARD:\r
-                goto stall_i;                                            /* not supported */\r
-\r
-#if (USB_CLASS)\r
-              case REQUEST_CLASS:\r
-                switch (SetupPacket.bmRequestType.BM.Recipient) {\r
-                  case REQUEST_TO_DEVICE:\r
-                    goto stall_i;                                        /* not supported */\r
-\r
-                  case REQUEST_TO_INTERFACE:\r
-#if USB_HID\r
-                    if (SetupPacket.wIndex.WB.L == USB_HID_IF_NUM) {     /* IF number correct? */\r
-                      switch (SetupPacket.bRequest) {\r
-                        case HID_REQUEST_SET_REPORT:\r
-                          if (HID_SetReport()) {\r
-                            USB_StatusInStage();                         /* send Acknowledge */\r
-                            goto out_class_ok;\r
-                          }\r
-                          break;\r
-                      }\r
-                    }\r
-#endif  /* USB_HID */\r
-#if USB_AUDIO\r
-                    if ((SetupPacket.wIndex.WB.L == USB_ADC_CIF_NUM)  || /* IF number correct? */\r
-                        (SetupPacket.wIndex.WB.L == USB_ADC_SIF1_NUM) ||\r
-                        (SetupPacket.wIndex.WB.L == USB_ADC_SIF2_NUM)) {\r
-                      switch (SetupPacket.bRequest) {\r
-                        case AUDIO_REQUEST_SET_CUR:\r
-//                      case AUDIO_REQUEST_SET_MIN:\r
-//                      case AUDIO_REQUEST_SET_MAX:\r
-//                      case AUDIO_REQUEST_SET_RES:\r
-                          if (ADC_IF_SetRequest()) {\r
-                            USB_StatusInStage();                         /* send Acknowledge */\r
-                            goto out_class_ok;\r
-                          }\r
-                          break;\r
-                      }\r
-                    }\r
-#endif  /* USB_AUDIO */\r
-#if USB_CDC\r
-                    if ((SetupPacket.wIndex.WB.L == USB_CDC_CIF_NUM)  || /* IF number correct? */\r
-                        (SetupPacket.wIndex.WB.L == USB_CDC_DIF_NUM)) {\r
-                      switch (SetupPacket.bRequest) {\r
-                        case CDC_SEND_ENCAPSULATED_COMMAND:\r
-                          if (CDC_SendEncapsulatedCommand()) {\r
-                            USB_StatusInStage();                         /* send Acknowledge */\r
-                            goto out_class_ok;\r
-                          }\r
-                          break;\r
-                        case CDC_SET_COMM_FEATURE:\r
-                          if (CDC_SetCommFeature(SetupPacket.wValue.W)) {\r
-                            USB_StatusInStage();                         /* send Acknowledge */\r
-                            goto out_class_ok;\r
-                          }\r
-                          break;\r
-                        case CDC_SET_LINE_CODING:\r
-                          if (CDC_SetLineCoding()) {\r
-                            USB_StatusInStage();                         /* send Acknowledge */\r
-                            goto out_class_ok;\r
-                          }\r
-                          break;\r
-                      }\r
-                    }\r
-#endif  /* USB_CDC */\r
-                    goto stall_i;\r
-                    /* end case REQUEST_TO_INTERFACE */\r
-\r
-                  case REQUEST_TO_ENDPOINT:\r
-#if USB_AUDIO\r
-                    switch (SetupPacket.bRequest) {\r
-                      case AUDIO_REQUEST_SET_CUR:\r
-//                    case AUDIO_REQUEST_SET_MIN:\r
-//                    case AUDIO_REQUEST_SET_MAX:\r
-//                    case AUDIO_REQUEST_SET_RES:\r
-                        if (ADC_EP_SetRequest()) {\r
-                          USB_StatusInStage();                           /* send Acknowledge */\r
-                          goto out_class_ok;\r
-                        }\r
-                        break;\r
-                    }\r
-#endif  /* USB_AUDIO */\r
-                    goto stall_i;\r
-                    /* end case REQUEST_TO_ENDPOINT */\r
-\r
-                  default:\r
-                    goto stall_i;\r
-                }\r
-out_class_ok:                                                            /* request finished successfully */\r
-                break; /* end case REQUEST_CLASS */\r
-#endif  /* USB_CLASS */\r
-\r
-#if USB_VENDOR\r
-              case REQUEST_VENDOR:\r
-                switch (SetupPacket.bmRequestType.BM.Recipient) {\r
-\r
-                  case REQUEST_TO_DEVICE:\r
-                    if (!USB_ReqVendorDev(FALSE)) {\r
-                      goto stall_i;                                      /* not supported */\r
-                    }\r
-                    break;\r
-\r
-                  case REQUEST_TO_INTERFACE:\r
-                    if (!USB_ReqVendorIF(FALSE)) {\r
-                      goto stall_i;                                      /* not supported */\r
-                    }\r
-                    break;\r
-\r
-                  case REQUEST_TO_ENDPOINT:\r
-                    if (!USB_ReqVendorEP(FALSE)) {\r
-                      goto stall_i;                                      /* not supported */\r
-                    }\r
-                    break;\r
-\r
-                  default:\r
-                    goto stall_i;\r
-                }\r
-\r
-                USB_StatusInStage();\r
-\r
-                break;  /* end case REQUEST_VENDOR */\r
-#endif  /* USB_VENDOR */\r
-\r
-              default:\r
-                goto stall_i;\r
-            }\r
-          }\r
-        }\r
-      } else {\r
-        USB_StatusOutStage();                                            /* receive Acknowledge */\r
-      }\r
-      break;  /* end case USB_EVT_OUT */\r
-\r
-    case USB_EVT_IN :\r
-      if (SetupPacket.bmRequestType.BM.Dir == REQUEST_DEVICE_TO_HOST) {\r
-        USB_DataInStage();                                               /* send data */\r
-      } else {\r
-        if (USB_DeviceAddress & 0x80) {\r
-          USB_DeviceAddress &= 0x7F;\r
-          USB_SetAddress(USB_DeviceAddress);\r
-        }\r
-      }\r
-      break;  /* end case USB_EVT_IN */\r
-\r
-    case USB_EVT_OUT_STALL:\r
-      USB_ClrStallEP(0x00);\r
-      break;\r
-\r
-    case USB_EVT_IN_STALL:\r
-      USB_ClrStallEP(0x80);\r
-      break;\r
-\r
-  }\r
-}\r