+/*----------------------------------------------------------------------------\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
git.asbjorn.biz / rapper.git / commitdiff