+/*----------------------------------------------------------------------------\r
+ * U S B - K e r n e l\r
+ *----------------------------------------------------------------------------\r
+ * Name: usbhw.h\r
+ * Purpose: USB Hardware Layer Definitions\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 USB_ClearEPBuf\r
+ * V1.00 Initial Version\r
+ *----------------------------------------------------------------------------*/\r
+\r
+#ifndef __USBHW_H__\r
+#define __USBHW_H__\r
+#include "lpc_types.h"\r
+\r
+/* USB RAM Definitions */\r
+#define USB_RAM_ADR 0x20080000 /* USB RAM Start Address */\r
+#define USB_RAM_SZ 0x00004000 /* USB RAM Size (4kB) */\r
+\r
+/* DMA Endpoint Descriptors */\r
+#define DD_NISO_CNT 16 /* Non-Iso EP DMA Descr. Count (max. 32) */\r
+#define DD_ISO_CNT 8 /* Iso EP DMA Descriptor Count (max. 32) */\r
+#define DD_NISO_SZ (DD_NISO_CNT * 16) /* Non-Iso DMA Descr. Size */\r
+#define DD_ISO_SZ (DD_ISO_CNT * 20) /* Iso DMA Descriptor Size */\r
+#define DD_NISO_ADR (USB_RAM_ADR + 128) /* Non-Iso DMA Descr. Address */\r
+#define DD_ISO_ADR (DD_NISO_ADR + DD_NISO_SZ) /* Iso DMA Descr. Address */\r
+#define DD_SZ (128 + DD_NISO_SZ + DD_ISO_SZ) /* Descr. Size */\r
+\r
+/* DMA Buffer Memory Definitions */\r
+#define DMA_BUF_ADR (USB_RAM_ADR + DD_SZ) /* DMA Buffer Start Address */\r
+#define DMA_BUF_SZ (USB_RAM_SZ - DD_SZ) /* DMA Buffer Size */\r
+\r
+/* USB Error Codes */\r
+#define USB_ERR_PID 0x0001 /* PID Error */\r
+#define USB_ERR_UEPKT 0x0002 /* Unexpected Packet */\r
+#define USB_ERR_DCRC 0x0004 /* Data CRC Error */\r
+#define USB_ERR_TIMOUT 0x0008 /* Bus Time-out Error */\r
+#define USB_ERR_EOP 0x0010 /* End of Packet Error */\r
+#define USB_ERR_B_OVRN 0x0020 /* Buffer Overrun */\r
+#define USB_ERR_BTSTF 0x0040 /* Bit Stuff Error */\r
+#define USB_ERR_TGL 0x0080 /* Toggle Bit Error */\r
+\r
+/* USB DMA Status Codes */\r
+#define USB_DMA_INVALID 0x0000 /* DMA Invalid - Not Configured */\r
+#define USB_DMA_IDLE 0x0001 /* DMA Idle - Waiting for Trigger */\r
+#define USB_DMA_BUSY 0x0002 /* DMA Busy - Transfer in progress */\r
+#define USB_DMA_DONE 0x0003 /* DMA Transfer Done (no Errors)*/\r
+#define USB_DMA_OVER_RUN 0x0004 /* Data Over Run */\r
+#define USB_DMA_UNDER_RUN 0x0005 /* Data Under Run (Short Packet) */\r
+#define USB_DMA_ERROR 0x0006 /* Error */\r
+#define USB_DMA_UNKNOWN 0xFFFF /* Unknown State */\r
+\r
+/* USB DMA Descriptor */\r
+typedef struct _USB_DMA_DESCRIPTOR {\r
+ uint32_t BufAdr; /* DMA Buffer Address */\r
+ uint16_t BufLen; /* DMA Buffer Length */\r
+ uint16_t MaxSize; /* Maximum Packet Size */\r
+ uint32_t InfoAdr; /* Packet Info Memory Address */\r
+ union { /* DMA Configuration */\r
+ struct {\r
+ uint32_t Link : 1; /* Link to existing Descriptors */\r
+ uint32_t IsoEP : 1; /* Isonchronous Endpoint */\r
+ uint32_t ATLE : 1; /* ATLE (Auto Transfer Length Extract) */\r
+ uint32_t Rsrvd : 5; /* Reserved */\r
+ uint32_t LenPos : 8; /* Length Position (ATLE) */\r
+ } Type;\r
+ uint32_t Val;\r
+ } Cfg;\r
+} USB_DMA_DESCRIPTOR;\r
+\r
+/* USB Hardware Functions */\r
+extern void USB_Init (void);\r
+extern void USB_Connect (uint32_t con);\r
+extern void USB_Reset (void);\r
+extern void USB_Suspend (void);\r
+extern void USB_Resume (void);\r
+extern void USB_WakeUp (void);\r
+extern void USB_WakeUpCfg (uint32_t cfg);\r
+extern void USB_SetAddress (uint32_t adr);\r
+extern void USB_Configure (uint32_t cfg);\r
+extern void USB_ConfigEP (USB_ENDPOINT_DESCRIPTOR *pEPD);\r
+extern void USB_DirCtrlEP (uint32_t dir);\r
+extern void USB_EnableEP (uint32_t EPNum);\r
+extern void USB_DisableEP (uint32_t EPNum);\r
+extern void USB_ResetEP (uint32_t EPNum);\r
+extern void USB_SetStallEP (uint32_t EPNum);\r
+extern void USB_ClrStallEP (uint32_t EPNum);\r
+extern void USB_ClearEPBuf (uint32_t EPNum);\r
+extern uint32_t USB_ReadEP (uint32_t EPNum, uint8_t *pData);\r
+extern uint32_t USB_WriteEP (uint32_t EPNum, uint8_t *pData, uint32_t cnt);\r
+extern uint32_t USB_DMA_Setup (uint32_t EPNum, USB_DMA_DESCRIPTOR *pDD);\r
+extern void USB_DMA_Enable (uint32_t EPNum);\r
+extern void USB_DMA_Disable(uint32_t EPNum);\r
+extern uint32_t USB_DMA_Status (uint32_t EPNum);\r
+extern uint32_t USB_DMA_BufAdr (uint32_t EPNum);\r
+extern uint32_t USB_DMA_BufCnt (uint32_t EPNum);\r
+extern uint32_t USB_GetFrame (void);\r
+extern void USB_IRQHandler (void);\r
+\r
+\r
+#endif /* __USBHW_H__ */\r
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