diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/usb.c | 56 | ||||
| -rw-r--r-- | src/lib/usb.h | 33 | ||||
| -rw-r--r-- | src/lib/usb_regs.h | 555 |
3 files changed, 644 insertions, 0 deletions
diff --git a/src/lib/usb.c b/src/lib/usb.c new file mode 100644 index 0000000..e0d7d42 --- /dev/null +++ b/src/lib/usb.c @@ -0,0 +1,56 @@ +#include "usb.h" +#include <inttypes.h> + +void usb_lpIRQHandler(void) +{ + typedef void (*funcPtr)(void); + + const uint32_t usbIsrAddr = *(uint32_t*)(USB_ISR_ADDR); + void (*ptrToUsbISR)(void) = (funcPtr) usbIsrAddr; + ptrToUsbISR(); +} + +void UserToPMABufferCopy(u8 *pbUsrBuf, u16 wPMABufAddr, u16 wNBytes) +{ + u32 n = (wNBytes + 1) >> 1; /* n = (wNBytes + 1) / 2 */ + u32 i, temp1, temp2; + u16 *pdwVal; + pdwVal = (u16 *)(wPMABufAddr * 2 + PMAAddr); + for (i = n; i != 0; i--) + { + temp1 = (u16) * pbUsrBuf; + pbUsrBuf++; + temp2 = temp1 | (u16) * pbUsrBuf << 8; + *pdwVal++ = temp2; + pdwVal++; + pbUsrBuf++; + } +} + +void PMAToUserBufferCopy(u8 *pbUsrBuf, u16 wPMABufAddr, u16 wNBytes) +{ + u32 n = (wNBytes + 1) >> 1;/* /2*/ + u32 i; + u32 *pdwVal; + pdwVal = (u32 *)(wPMABufAddr * 2 + PMAAddr); + for (i = n; i != 0; i--) + { + *(u16*)pbUsrBuf++ = *pdwVal++; + pbUsrBuf++; + } +} + +void serialWriteStr(char* outStr) { + u8 offset=0; + while ((outStr[offset] != 0) + && (offset < USB_SERIAL_BUF_SIZE)) { + offset++; + } + + while (_GetEPTxCount(USB_SERIAL_ENDP_TX) > 0) {} + + UserToPMABufferCopy(outStr,USB_SERIAL_ENDP_TXADDR,offset); + _SetEPTxCount(USB_SERIAL_ENDP_TX,offset); + _SetEPTxValid(USB_SERIAL_ENDP_TX); +} + diff --git a/src/lib/usb.h b/src/lib/usb.h new file mode 100644 index 0000000..be632dd --- /dev/null +++ b/src/lib/usb.h @@ -0,0 +1,33 @@ +#ifndef _USB_H_ +#define _USB_H_ + +#include <inttypes.h> +#include "util.h" +#include "cortexm3_macro.h" +#include "usb_regs.h" + +#ifdef __cpluscplus +extern "C" { +#endif + +#define USB_ISR_ADDR (0x08000090) +#define USB_SERIAL_ENDP_TXADDR ((uint32_t) 0xC0) +#define USB_SERIAL_ENDP_RXADDR ((uint32_t) 0x110) +#define USB_SERIAL_ENDP_TX ((uint16_t) 0x1) +#define USB_SERIAL_ENDP_RX ((uint16_t) 0x3) +#define USB_SERIAL_BUF_SIZE (0x40) + +void usb_lpIRQHandler(void); +void usb_userToPMABufferCopy(uint8_t *pbUsrBuf, + uint16_t *wPMABufAddr, + uint16_t *wNBytes); +void usb_PMABToUserufferCopy(uint8_t *pbUsrBuf, + uint16_t *wPMABufAddr, + uint16_t *wNBytes); +void usb_serialWriteStr(char* str); + + +#ifdef __cpluscplus +} // extern "C" +#endif +#endif //_USB_H diff --git a/src/lib/usb_regs.h b/src/lib/usb_regs.h new file mode 100644 index 0000000..135d645 --- /dev/null +++ b/src/lib/usb_regs.h @@ -0,0 +1,555 @@ +/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
+* File Name : usb_regs.h
+* Author : MCD Application Team
+* Version : V2.2.1
+* Date : 09/22/2008
+* Description : Interface prototype functions to USB cell registers
+********************************************************************************
+* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
+* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
+* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
+* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
+* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+*******************************************************************************/
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USB_REGS_H
+#define __USB_REGS_H
+
+/* Includes ------------------------------------------------------------------*/
+/* Exported types ------------------------------------------------------------*/
+#include "stm32f10x_type.h"
+
+typedef enum _EP_DBUF_DIR
+{
+ /* double buffered endpoint direction */
+ EP_DBUF_ERR,
+ EP_DBUF_OUT,
+ EP_DBUF_IN
+}EP_DBUF_DIR;
+
+/* endpoint buffer number */
+enum EP_BUF_NUM
+{
+ EP_NOBUF,
+ EP_BUF0,
+ EP_BUF1
+};
+
+/* Exported constants --------------------------------------------------------*/
+#define RegBase (0x40005C00L) /* USB_IP Peripheral Registers base address */
+#define PMAAddr (0x40006000L) /* USB_IP Packet Memory Area base address */
+
+/******************************************************************************/
+/* General registers */
+/******************************************************************************/
+
+/* Control register */
+#define CNTR ((volatile unsigned *)(RegBase + 0x40))
+/* Interrupt status register */
+#define ISTR ((volatile unsigned *)(RegBase + 0x44))
+/* Frame number register */
+#define FNR ((volatile unsigned *)(RegBase + 0x48))
+/* Device address register */
+#define DADDR ((volatile unsigned *)(RegBase + 0x4C))
+/* Buffer Table address register */
+#define BTABLE ((volatile unsigned *)(RegBase + 0x50))
+/******************************************************************************/
+/* Endpoint registers */
+/******************************************************************************/
+#define EP0REG ((volatile unsigned *)(RegBase)) /* endpoint 0 register address */
+
+/* endpoints enumeration */
+#define ENDP0 ((u8)0)
+#define ENDP1 ((u8)1)
+#define ENDP2 ((u8)2)
+#define ENDP3 ((u8)3)
+#define ENDP4 ((u8)4)
+#define ENDP5 ((u8)5)
+#define ENDP6 ((u8)6)
+#define ENDP7 ((u8)7)
+/******************************************************************************/
+/* ISTR interrupt events */
+/******************************************************************************/
+#define ISTR_CTR (0x8000) /* Correct TRansfer (clear-only bit) */
+#define ISTR_DOVR (0x4000) /* DMA OVeR/underrun (clear-only bit) */
+#define ISTR_ERR (0x2000) /* ERRor (clear-only bit) */
+#define ISTR_WKUP (0x1000) /* WaKe UP (clear-only bit) */
+#define ISTR_SUSP (0x0800) /* SUSPend (clear-only bit) */
+#define ISTR_RESET (0x0400) /* RESET (clear-only bit) */
+#define ISTR_SOF (0x0200) /* Start Of Frame (clear-only bit) */
+#define ISTR_ESOF (0x0100) /* Expected Start Of Frame (clear-only bit) */
+
+
+#define ISTR_DIR (0x0010) /* DIRection of transaction (read-only bit) */
+#define ISTR_EP_ID (0x000F) /* EndPoint IDentifier (read-only bit) */
+
+#define CLR_CTR (~ISTR_CTR) /* clear Correct TRansfer bit */
+#define CLR_DOVR (~ISTR_DOVR) /* clear DMA OVeR/underrun bit*/
+#define CLR_ERR (~ISTR_ERR) /* clear ERRor bit */
+#define CLR_WKUP (~ISTR_WKUP) /* clear WaKe UP bit */
+#define CLR_SUSP (~ISTR_SUSP) /* clear SUSPend bit */
+#define CLR_RESET (~ISTR_RESET) /* clear RESET bit */
+#define CLR_SOF (~ISTR_SOF) /* clear Start Of Frame bit */
+#define CLR_ESOF (~ISTR_ESOF) /* clear Expected Start Of Frame bit */
+
+/******************************************************************************/
+/* CNTR control register bits definitions */
+/******************************************************************************/
+#define CNTR_CTRM (0x8000) /* Correct TRansfer Mask */
+#define CNTR_DOVRM (0x4000) /* DMA OVeR/underrun Mask */
+#define CNTR_ERRM (0x2000) /* ERRor Mask */
+#define CNTR_WKUPM (0x1000) /* WaKe UP Mask */
+#define CNTR_SUSPM (0x0800) /* SUSPend Mask */
+#define CNTR_RESETM (0x0400) /* RESET Mask */
+#define CNTR_SOFM (0x0200) /* Start Of Frame Mask */
+#define CNTR_ESOFM (0x0100) /* Expected Start Of Frame Mask */
+
+
+#define CNTR_RESUME (0x0010) /* RESUME request */
+#define CNTR_FSUSP (0x0008) /* Force SUSPend */
+#define CNTR_LPMODE (0x0004) /* Low-power MODE */
+#define CNTR_PDWN (0x0002) /* Power DoWN */
+#define CNTR_FRES (0x0001) /* Force USB RESet */
+
+/******************************************************************************/
+/* FNR Frame Number Register bit definitions */
+/******************************************************************************/
+#define FNR_RXDP (0x8000) /* status of D+ data line */
+#define FNR_RXDM (0x4000) /* status of D- data line */
+#define FNR_LCK (0x2000) /* LoCKed */
+#define FNR_LSOF (0x1800) /* Lost SOF */
+#define FNR_FN (0x07FF) /* Frame Number */
+/******************************************************************************/
+/* DADDR Device ADDRess bit definitions */
+/******************************************************************************/
+#define DADDR_EF (0x80)
+#define DADDR_ADD (0x7F)
+/******************************************************************************/
+/* Endpoint register */
+/******************************************************************************/
+/* bit positions */
+#define EP_CTR_RX (0x8000) /* EndPoint Correct TRansfer RX */
+#define EP_DTOG_RX (0x4000) /* EndPoint Data TOGGLE RX */
+#define EPRX_STAT (0x3000) /* EndPoint RX STATus bit field */
+#define EP_SETUP (0x0800) /* EndPoint SETUP */
+#define EP_T_FIELD (0x0600) /* EndPoint TYPE */
+#define EP_KIND (0x0100) /* EndPoint KIND */
+#define EP_CTR_TX (0x0080) /* EndPoint Correct TRansfer TX */
+#define EP_DTOG_TX (0x0040) /* EndPoint Data TOGGLE TX */
+#define EPTX_STAT (0x0030) /* EndPoint TX STATus bit field */
+#define EPADDR_FIELD (0x000F) /* EndPoint ADDRess FIELD */
+
+/* EndPoint REGister MASK (no toggle fields) */
+#define EPREG_MASK (EP_CTR_RX|EP_SETUP|EP_T_FIELD|EP_KIND|EP_CTR_TX|EPADDR_FIELD)
+
+/* EP_TYPE[1:0] EndPoint TYPE */
+#define EP_TYPE_MASK (0x0600) /* EndPoint TYPE Mask */
+#define EP_BULK (0x0000) /* EndPoint BULK */
+#define EP_CONTROL (0x0200) /* EndPoint CONTROL */
+#define EP_ISOCHRONOUS (0x0400) /* EndPoint ISOCHRONOUS */
+#define EP_INTERRUPT (0x0600) /* EndPoint INTERRUPT */
+#define EP_T_MASK (~EP_T_FIELD & EPREG_MASK)
+
+
+/* EP_KIND EndPoint KIND */
+#define EPKIND_MASK (~EP_KIND & EPREG_MASK)
+
+/* STAT_TX[1:0] STATus for TX transfer */
+#define EP_TX_DIS (0x0000) /* EndPoint TX DISabled */
+#define EP_TX_STALL (0x0010) /* EndPoint TX STALLed */
+#define EP_TX_NAK (0x0020) /* EndPoint TX NAKed */
+#define EP_TX_VALID (0x0030) /* EndPoint TX VALID */
+#define EPTX_DTOG1 (0x0010) /* EndPoint TX Data TOGgle bit1 */
+#define EPTX_DTOG2 (0x0020) /* EndPoint TX Data TOGgle bit2 */
+#define EPTX_DTOGMASK (EPTX_STAT|EPREG_MASK)
+
+/* STAT_RX[1:0] STATus for RX transfer */
+#define EP_RX_DIS (0x0000) /* EndPoint RX DISabled */
+#define EP_RX_STALL (0x1000) /* EndPoint RX STALLed */
+#define EP_RX_NAK (0x2000) /* EndPoint RX NAKed */
+#define EP_RX_VALID (0x3000) /* EndPoint RX VALID */
+#define EPRX_DTOG1 (0x1000) /* EndPoint RX Data TOGgle bit1 */
+#define EPRX_DTOG2 (0x2000) /* EndPoint RX Data TOGgle bit1 */
+#define EPRX_DTOGMASK (EPRX_STAT|EPREG_MASK)
+/* Exported macro ------------------------------------------------------------*/
+/* SetCNTR */
+#define _SetCNTR(wRegValue) (*CNTR = (u16)wRegValue)
+
+/* SetISTR */
+#define _SetISTR(wRegValue) (*ISTR = (u16)wRegValue)
+
+/* SetDADDR */
+#define _SetDADDR(wRegValue) (*DADDR = (u16)wRegValue)
+
+/* SetBTABLE */
+#define _SetBTABLE(wRegValue)(*BTABLE = (u16)(wRegValue & 0xFFF8))
+
+/* GetCNTR */
+#define _GetCNTR() ((u16) *CNTR)
+
+/* GetISTR */
+#define _GetISTR() ((u16) *ISTR)
+
+/* GetFNR */
+#define _GetFNR() ((u16) *FNR)
+
+/* GetDADDR */
+#define _GetDADDR() ((u16) *DADDR)
+
+/* GetBTABLE */
+#define _GetBTABLE() ((u16) *BTABLE)
+
+/* SetENDPOINT */
+#define _SetENDPOINT(bEpNum,wRegValue) (*(EP0REG + bEpNum)= \
+ (u16)wRegValue)
+
+/* GetENDPOINT */
+#define _GetENDPOINT(bEpNum) ((u16)(*(EP0REG + bEpNum)))
+
+/*******************************************************************************
+* Macro Name : SetEPType
+* Description : sets the type in the endpoint register(bits EP_TYPE[1:0])
+* Input : bEpNum: Endpoint Number.
+* wType
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _SetEPType(bEpNum,wType) (_SetENDPOINT(bEpNum,\
+ ((_GetENDPOINT(bEpNum) & EP_T_MASK) | wType)))
+
+/*******************************************************************************
+* Macro Name : GetEPType
+* Description : gets the type in the endpoint register(bits EP_TYPE[1:0])
+* Input : bEpNum: Endpoint Number.
+* Output : None.
+* Return : Endpoint Type
+*******************************************************************************/
+#define _GetEPType(bEpNum) (_GetENDPOINT(bEpNum) & EP_T_FIELD)
+
+/*******************************************************************************
+* Macro Name : SetEPTxStatus
+* Description : sets the status for tx transfer (bits STAT_TX[1:0]).
+* Input : bEpNum: Endpoint Number.
+* wState: new state
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _SetEPTxStatus(bEpNum,wState) {\
+ register u16 _wRegVal; \
+ _wRegVal = _GetENDPOINT(bEpNum) & EPTX_DTOGMASK;\
+ /* toggle first bit ? */ \
+ if((EPTX_DTOG1 & wState)!= 0) \
+ _wRegVal ^= EPTX_DTOG1; \
+ /* toggle second bit ? */ \
+ if((EPTX_DTOG2 & wState)!= 0) \
+ _wRegVal ^= EPTX_DTOG2; \
+ _SetENDPOINT(bEpNum, _wRegVal); \
+ } /* _SetEPTxStatus */
+
+/*******************************************************************************
+* Macro Name : SetEPRxStatus
+* Description : sets the status for rx transfer (bits STAT_TX[1:0])
+* Input : bEpNum: Endpoint Number.
+* wState: new state.
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _SetEPRxStatus(bEpNum,wState) {\
+ register u16 _wRegVal; \
+ \
+ _wRegVal = _GetENDPOINT(bEpNum) & EPRX_DTOGMASK;\
+ /* toggle first bit ? */ \
+ if((EPRX_DTOG1 & wState)!= 0) \
+ _wRegVal ^= EPRX_DTOG1; \
+ /* toggle second bit ? */ \
+ if((EPRX_DTOG2 & wState)!= 0) \
+ _wRegVal ^= EPRX_DTOG2; \
+ _SetENDPOINT(bEpNum, _wRegVal); \
+ } /* _SetEPRxStatus */
+/*******************************************************************************
+* Macro Name : GetEPTxStatus / GetEPRxStatus
+* Description : gets the status for tx/rx transfer (bits STAT_TX[1:0]
+* /STAT_RX[1:0])
+* Input : bEpNum: Endpoint Number.
+* Output : None.
+* Return : status .
+*******************************************************************************/
+#define _GetEPTxStatus(bEpNum) ((u16)_GetENDPOINT(bEpNum) & EPTX_STAT)
+
+#define _GetEPRxStatus(bEpNum) ((u16)_GetENDPOINT(bEpNum) & EPRX_STAT)
+
+/*******************************************************************************
+* Macro Name : SetEPTxValid / SetEPRxValid
+* Description : sets directly the VALID tx/rx-status into the enpoint register
+* Input : bEpNum: Endpoint Number.
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _SetEPTxValid(bEpNum) (_SetEPTxStatus(bEpNum, EP_TX_VALID))
+
+#define _SetEPRxValid(bEpNum) (_SetEPRxStatus(bEpNum, EP_RX_VALID))
+
+/*******************************************************************************
+* Macro Name : GetTxStallStatus / GetRxStallStatus.
+* Description : checks stall condition in an endpoint.
+* Input : bEpNum: Endpoint Number.
+* Output : None.
+* Return : TRUE = endpoint in stall condition.
+*******************************************************************************/
+#define _GetTxStallStatus(bEpNum) (_GetEPTxStatus(bEpNum) \
+ == EP_TX_STALL)
+#define _GetRxStallStatus(bEpNum) (_GetEPRxStatus(bEpNum) \
+ == EP_RX_STALL)
+
+/*******************************************************************************
+* Macro Name : SetEP_KIND / ClearEP_KIND.
+* Description : set & clear EP_KIND bit.
+* Input : bEpNum: Endpoint Number.
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _SetEP_KIND(bEpNum) (_SetENDPOINT(bEpNum, \
+ (_GetENDPOINT(bEpNum) | EP_KIND) & EPREG_MASK))
+#define _ClearEP_KIND(bEpNum) (_SetENDPOINT(bEpNum, \
+ (_GetENDPOINT(bEpNum) & EPKIND_MASK)))
+
+/*******************************************************************************
+* Macro Name : Set_Status_Out / Clear_Status_Out.
+* Description : Sets/clears directly STATUS_OUT bit in the endpoint register.
+* Input : bEpNum: Endpoint Number.
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _Set_Status_Out(bEpNum) _SetEP_KIND(bEpNum)
+#define _Clear_Status_Out(bEpNum) _ClearEP_KIND(bEpNum)
+
+/*******************************************************************************
+* Macro Name : SetEPDoubleBuff / ClearEPDoubleBuff.
+* Description : Sets/clears directly EP_KIND bit in the endpoint register.
+* Input : bEpNum: Endpoint Number.
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _SetEPDoubleBuff(bEpNum) _SetEP_KIND(bEpNum)
+#define _ClearEPDoubleBuff(bEpNum) _ClearEP_KIND(bEpNum)
+
+/*******************************************************************************
+* Macro Name : ClearEP_CTR_RX / ClearEP_CTR_TX.
+* Description : Clears bit CTR_RX / CTR_TX in the endpoint register.
+* Input : bEpNum: Endpoint Number.
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _ClearEP_CTR_RX(bEpNum) (_SetENDPOINT(bEpNum,\
+ _GetENDPOINT(bEpNum) & 0x7FFF & EPREG_MASK))
+#define _ClearEP_CTR_TX(bEpNum) (_SetENDPOINT(bEpNum,\
+ _GetENDPOINT(bEpNum) & 0xFF7F & EPREG_MASK))
+
+/*******************************************************************************
+* Macro Name : ToggleDTOG_RX / ToggleDTOG_TX .
+* Description : Toggles DTOG_RX / DTOG_TX bit in the endpoint register.
+* Input : bEpNum: Endpoint Number.
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _ToggleDTOG_RX(bEpNum) (_SetENDPOINT(bEpNum, \
+ EP_DTOG_RX | _GetENDPOINT(bEpNum) & EPREG_MASK))
+#define _ToggleDTOG_TX(bEpNum) (_SetENDPOINT(bEpNum, \
+ EP_DTOG_TX | _GetENDPOINT(bEpNum) & EPREG_MASK))
+
+/*******************************************************************************
+* Macro Name : ClearDTOG_RX / ClearDTOG_TX.
+* Description : Clears DTOG_RX / DTOG_TX bit in the endpoint register.
+* Input : bEpNum: Endpoint Number.
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _ClearDTOG_RX(bEpNum) if((_GetENDPOINT(bEpNum) & EP_DTOG_RX) != 0)\
+ _ToggleDTOG_RX(bEpNum)
+#define _ClearDTOG_TX(bEpNum) if((_GetENDPOINT(bEpNum) & EP_DTOG_TX) != 0)\
+ _ToggleDTOG_TX(bEpNum)
+/*******************************************************************************
+* Macro Name : SetEPAddress.
+* Description : Sets address in an endpoint register.
+* Input : bEpNum: Endpoint Number.
+* bAddr: Address.
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _SetEPAddress(bEpNum,bAddr) _SetENDPOINT(bEpNum,\
+ _GetENDPOINT(bEpNum) & EPREG_MASK | bAddr)
+
+/*******************************************************************************
+* Macro Name : GetEPAddress.
+* Description : Gets address in an endpoint register.
+* Input : bEpNum: Endpoint Number.
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _GetEPAddress(bEpNum) ((u8)(_GetENDPOINT(bEpNum) & EPADDR_FIELD))
+
+#define _pEPTxAddr(bEpNum) ((u32 *)((_GetBTABLE()+bEpNum*8 )*2 + PMAAddr))
+#define _pEPTxCount(bEpNum) ((u32 *)((_GetBTABLE()+bEpNum*8+2)*2 + PMAAddr))
+#define _pEPRxAddr(bEpNum) ((u32 *)((_GetBTABLE()+bEpNum*8+4)*2 + PMAAddr))
+#define _pEPRxCount(bEpNum) ((u32 *)((_GetBTABLE()+bEpNum*8+6)*2 + PMAAddr))
+
+/*******************************************************************************
+* Macro Name : SetEPTxAddr / SetEPRxAddr.
+* Description : sets address of the tx/rx buffer.
+* Input : bEpNum: Endpoint Number.
+* wAddr: address to be set (must be word aligned).
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _SetEPTxAddr(bEpNum,wAddr) (*_pEPTxAddr(bEpNum) = ((wAddr >> 1) << 1))
+#define _SetEPRxAddr(bEpNum,wAddr) (*_pEPRxAddr(bEpNum) = ((wAddr >> 1) << 1))
+
+/*******************************************************************************
+* Macro Name : GetEPTxAddr / GetEPRxAddr.
+* Description : Gets address of the tx/rx buffer.
+* Input : bEpNum: Endpoint Number.
+* Output : None.
+* Return : address of the buffer.
+*******************************************************************************/
+#define _GetEPTxAddr(bEpNum) ((u16)*_pEPTxAddr(bEpNum))
+#define _GetEPRxAddr(bEpNum) ((u16)*_pEPRxAddr(bEpNum))
+
+/*******************************************************************************
+* Macro Name : SetEPCountRxReg.
+* Description : Sets counter of rx buffer with no. of blocks.
+* Input : pdwReg: pointer to counter.
+* wCount: Counter.
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _BlocksOf32(dwReg,wCount,wNBlocks) {\
+ wNBlocks = wCount >> 5;\
+ if((wCount & 0x1f) == 0)\
+ wNBlocks--;\
+ *pdwReg = (u32)((wNBlocks << 10) | 0x8000);\
+ }/* _BlocksOf32 */
+
+#define _BlocksOf2(dwReg,wCount,wNBlocks) {\
+ wNBlocks = wCount >> 1;\
+ if((wCount & 0x1) != 0)\
+ wNBlocks++;\
+ *pdwReg = (u32)(wNBlocks << 10);\
+ }/* _BlocksOf2 */
+
+#define _SetEPCountRxReg(dwReg,wCount) {\
+ u16 wNBlocks;\
+ if(wCount > 62){_BlocksOf32(dwReg,wCount,wNBlocks);}\
+ else {_BlocksOf2(dwReg,wCount,wNBlocks);}\
+ }/* _SetEPCountRxReg */
+
+
+
+#define _SetEPRxDblBuf0Count(bEpNum,wCount) {\
+ u32 *pdwReg = _pEPTxCount(bEpNum); \
+ _SetEPCountRxReg(pdwReg, wCount);\
+ }
+/*******************************************************************************
+* Macro Name : SetEPTxCount / SetEPRxCount.
+* Description : sets counter for the tx/rx buffer.
+* Input : bEpNum: endpoint number.
+* wCount: Counter value.
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _SetEPTxCount(bEpNum,wCount) (*_pEPTxCount(bEpNum) = wCount)
+#define _SetEPRxCount(bEpNum,wCount) {\
+ u32 *pdwReg = _pEPRxCount(bEpNum); \
+ _SetEPCountRxReg(pdwReg, wCount);\
+ }
+/*******************************************************************************
+* Macro Name : GetEPTxCount / GetEPRxCount.
+* Description : gets counter of the tx buffer.
+* Input : bEpNum: endpoint number.
+* Output : None.
+* Return : Counter value.
+*******************************************************************************/
+#define _GetEPTxCount(bEpNum)((u16)(*_pEPTxCount(bEpNum)) & 0x3ff)
+#define _GetEPRxCount(bEpNum)((u16)(*_pEPRxCount(bEpNum)) & 0x3ff)
+
+/*******************************************************************************
+* Macro Name : SetEPDblBuf0Addr / SetEPDblBuf1Addr.
+* Description : Sets buffer 0/1 address in a double buffer endpoint.
+* Input : bEpNum: endpoint number.
+* : wBuf0Addr: buffer 0 address.
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _SetEPDblBuf0Addr(bEpNum,wBuf0Addr) {_SetEPTxAddr(bEpNum, wBuf0Addr);}
+#define _SetEPDblBuf1Addr(bEpNum,wBuf1Addr) {_SetEPRxAddr(bEpNum, wBuf1Addr);}
+
+/*******************************************************************************
+* Macro Name : SetEPDblBuffAddr.
+* Description : Sets addresses in a double buffer endpoint.
+* Input : bEpNum: endpoint number.
+* : wBuf0Addr: buffer 0 address.
+* : wBuf1Addr = buffer 1 address.
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _SetEPDblBuffAddr(bEpNum,wBuf0Addr,wBuf1Addr) { \
+ _SetEPDblBuf0Addr(bEpNum, wBuf0Addr);\
+ _SetEPDblBuf1Addr(bEpNum, wBuf1Addr);\
+ } /* _SetEPDblBuffAddr */
+
+/*******************************************************************************
+* Macro Name : GetEPDblBuf0Addr / GetEPDblBuf1Addr.
+* Description : Gets buffer 0/1 address of a double buffer endpoint.
+* Input : bEpNum: endpoint number.
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _GetEPDblBuf0Addr(bEpNum) (_GetEPTxAddr(bEpNum))
+#define _GetEPDblBuf1Addr(bEpNum) (_GetEPRxAddr(bEpNum))
+
+/*******************************************************************************
+* Macro Name : SetEPDblBuffCount / SetEPDblBuf0Count / SetEPDblBuf1Count.
+* Description : Gets buffer 0/1 address of a double buffer endpoint.
+* Input : bEpNum: endpoint number.
+* : bDir: endpoint dir EP_DBUF_OUT = OUT
+* EP_DBUF_IN = IN
+* : wCount: Counter value
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _SetEPDblBuf0Count(bEpNum, bDir, wCount) { \
+ if(bDir == EP_DBUF_OUT)\
+ /* OUT endpoint */ \
+ {_SetEPRxDblBuf0Count(bEpNum,wCount);} \
+ else if(bDir == EP_DBUF_IN)\
+ /* IN endpoint */ \
+ *_pEPTxCount(bEpNum) = (u32)wCount; \
+ } /* SetEPDblBuf0Count*/
+
+#define _SetEPDblBuf1Count(bEpNum, bDir, wCount) { \
+ if(bDir == EP_DBUF_OUT)\
+ /* OUT endpoint */ \
+ {_SetEPRxCount(bEpNum,wCount);}\
+ else if(bDir == EP_DBUF_IN)\
+ /* IN endpoint */\
+ *_pEPRxCount(bEpNum) = (u32)wCount; \
+ } /* SetEPDblBuf1Count */
+
+#define _SetEPDblBuffCount(bEpNum, bDir, wCount) {\
+ _SetEPDblBuf0Count(bEpNum, bDir, wCount); \
+ _SetEPDblBuf1Count(bEpNum, bDir, wCount); \
+ } /* _SetEPDblBuffCount */
+
+/*******************************************************************************
+* Macro Name : GetEPDblBuf0Count / GetEPDblBuf1Count.
+* Description : Gets buffer 0/1 rx/tx counter for double buffering.
+* Input : bEpNum: endpoint number.
+* Output : None.
+* Return : None.
+*******************************************************************************/
+#define _GetEPDblBuf0Count(bEpNum) (_GetEPTxCount(bEpNum))
+#define _GetEPDblBuf1Count(bEpNum) (_GetEPRxCount(bEpNum))
+
+#endif
+/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/
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