![](/media/cache/profiles/dc960c46c38bd16e953d97cdeefdbc68.50x50_q85.jpg)
Port of Keils USBCDC example, compiles ok. Gets stuck at init
usbhw.h
- Committer:
- tecnosys
- Date:
- 2010-07-05
- Revision:
- 0:0b777ff85deb
File content as of revision 0:0b777ff85deb:
/*---------------------------------------------------------------------------- * U S B - K e r n e l *---------------------------------------------------------------------------- * Name: usbhw.h * Purpose: USB Hardware Layer Definitions * 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 family 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 USB_ClearEPBuf * V1.00 Initial Version *----------------------------------------------------------------------------*/ #ifndef __USBHW_H__ #define __USBHW_H__ /* USB RAM Definitions */ #define USB_RAM_ADR 0x20080000 /* USB RAM Start Address */ #define USB_RAM_SZ 0x00004000 /* USB RAM Size (4kB) */ /* DMA Endpoint Descriptors */ #define DD_NISO_CNT 16 /* Non-Iso EP DMA Descr. Count (max. 32) */ #define DD_ISO_CNT 8 /* Iso EP DMA Descriptor Count (max. 32) */ #define DD_NISO_SZ (DD_NISO_CNT * 16) /* Non-Iso DMA Descr. Size */ #define DD_ISO_SZ (DD_ISO_CNT * 20) /* Iso DMA Descriptor Size */ #define DD_NISO_ADR (USB_RAM_ADR + 128) /* Non-Iso DMA Descr. Address */ #define DD_ISO_ADR (DD_NISO_ADR + DD_NISO_SZ) /* Iso DMA Descr. Address */ #define DD_SZ (128 + DD_NISO_SZ + DD_ISO_SZ) /* Descr. Size */ /* DMA Buffer Memory Definitions */ #define DMA_BUF_ADR (USB_RAM_ADR + DD_SZ) /* DMA Buffer Start Address */ #define DMA_BUF_SZ (USB_RAM_SZ - DD_SZ) /* DMA Buffer Size */ /* USB Error Codes */ #define USB_ERR_PID 0x0001 /* PID Error */ #define USB_ERR_UEPKT 0x0002 /* Unexpected Packet */ #define USB_ERR_DCRC 0x0004 /* Data CRC Error */ #define USB_ERR_TIMOUT 0x0008 /* Bus Time-out Error */ #define USB_ERR_EOP 0x0010 /* End of Packet Error */ #define USB_ERR_B_OVRN 0x0020 /* Buffer Overrun */ #define USB_ERR_BTSTF 0x0040 /* Bit Stuff Error */ #define USB_ERR_TGL 0x0080 /* Toggle Bit Error */ /* USB DMA Status Codes */ #define USB_DMA_INVALID 0x0000 /* DMA Invalid - Not Configured */ #define USB_DMA_IDLE 0x0001 /* DMA Idle - Waiting for Trigger */ #define USB_DMA_BUSY 0x0002 /* DMA Busy - Transfer in progress */ #define USB_DMA_DONE 0x0003 /* DMA Transfer Done (no Errors)*/ #define USB_DMA_OVER_RUN 0x0004 /* Data Over Run */ #define USB_DMA_UNDER_RUN 0x0005 /* Data Under Run (Short Packet) */ #define USB_DMA_ERROR 0x0006 /* Error */ #define USB_DMA_UNKNOWN 0xFFFF /* Unknown State */ /* USB DMA Descriptor */ typedef struct _USB_DMA_DESCRIPTOR { uint32_t BufAdr; /* DMA Buffer Address */ uint16_t BufLen; /* DMA Buffer Length */ uint16_t MaxSize; /* Maximum Packet Size */ uint32_t InfoAdr; /* Packet Info Memory Address */ union { /* DMA Configuration */ struct { uint32_t Link : 1; /* Link to existing Descriptors */ uint32_t IsoEP : 1; /* Isonchronous Endpoint */ uint32_t ATLE : 1; /* ATLE (Auto Transfer Length Extract) */ uint32_t Rsrvd : 5; /* Reserved */ uint32_t LenPos : 8; /* Length Position (ATLE) */ } Type; uint32_t Val; } Cfg; } USB_DMA_DESCRIPTOR; /* USB Hardware Functions */ extern void USB_Init (void); extern void USB_Connect (uint32_t con); extern void USB_Reset (void); extern void USB_Suspend (void); extern void USB_Resume (void); extern void USB_WakeUp (void); extern void USB_WakeUpCfg (uint32_t cfg); extern void USB_SetAddress (uint32_t adr); extern void USB_Configure (uint32_t cfg); extern void USB_ConfigEP (USB_ENDPOINT_DESCRIPTOR *pEPD); extern void USB_DirCtrlEP (uint32_t dir); extern void USB_EnableEP (uint32_t EPNum); extern void USB_DisableEP (uint32_t EPNum); extern void USB_ResetEP (uint32_t EPNum); extern void USB_SetStallEP (uint32_t EPNum); extern void USB_ClrStallEP (uint32_t EPNum); extern void USB_ClearEPBuf (uint32_t EPNum); extern uint32_t USB_ReadEP (uint32_t EPNum, uint8_t *pData); extern uint32_t USB_WriteEP (uint32_t EPNum, uint8_t *pData, uint32_t cnt); extern uint32_t USB_DMA_Setup (uint32_t EPNum, USB_DMA_DESCRIPTOR *pDD); extern void USB_DMA_Enable (uint32_t EPNum); extern void USB_DMA_Disable(uint32_t EPNum); extern uint32_t USB_DMA_Status (uint32_t EPNum); extern uint32_t USB_DMA_BufAdr (uint32_t EPNum); extern uint32_t USB_DMA_BufCnt (uint32_t EPNum); extern uint32_t USB_GetFrame (void); extern void USB_IRQHandler (void); #endif /* __USBHW_H__ */