From 7021adc50a041bfb69bc4432b712aa07ef710ca3 Mon Sep 17 00:00:00 2001 From: "ajmeyer@mit.edu" Date: Sat, 19 Dec 2009 08:03:54 +0000 Subject: added USB support (TX over virtual com port), the linker modifications to work with the bootloader, a modified libcs-lanchon-stm32.a, and the arduino-required main.cxx and WProgram.h git-svn-id: https://leaflabs.googlecode.com/svn/trunk/library@72 749a229e-a60e-11de-b98f-4500b42dc123 --- src/lib/usb.c | 56 +++++ src/lib/usb.h | 33 +++ src/lib/usb_regs.h | 555 ++++++++++++++++++++++++++++++++++++++++++++++++++ src/main.cxx | 21 ++ src/wiring/WProgram.h | 18 ++ src/wiring/wiring.c | 8 +- src/wiring/wiring.h | 3 + 7 files changed, 693 insertions(+), 1 deletion(-) create mode 100644 src/lib/usb.c create mode 100644 src/lib/usb.h create mode 100644 src/lib/usb_regs.h create mode 100644 src/main.cxx create mode 100644 src/wiring/WProgram.h (limited to 'src') 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 + +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 +#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****/ diff --git a/src/main.cxx b/src/main.cxx new file mode 100644 index 0000000..7734d6e --- /dev/null +++ b/src/main.cxx @@ -0,0 +1,21 @@ +int main(void) +{ + init(); + setup(); + + while (1) { + loop(); + } + return 0; +} + + +/* Implemented: + * void pinMode(pin, mode) + * void digitalWrite(pin, value) + * uint32_t digitalRead(pin) + * uint32_t analogRead(pin) + * void randomSeed(seed) + * long random(max) + * long random(min, max) + * */ diff --git a/src/wiring/WProgram.h b/src/wiring/WProgram.h new file mode 100644 index 0000000..111c7dc --- /dev/null +++ b/src/wiring/WProgram.h @@ -0,0 +1,18 @@ +#include "stm32f10x_map.h" +#include "stm32f10x_lib.h" +#include "stm32f10x_flash.h" +#include "stm32f10x_usart.h" +#include "Serial.h" +#include "timers.h" +#include "wiring.h" +#include "util.h" +#include "systick.h" +#include "adc.h" +#include "gpio.h" +#include "pwm.h" +#include "ext_interrupts.h" +#include "usart.h" +#include "usb.h" + +void setup(); +void loop(); diff --git a/src/wiring/wiring.c b/src/wiring/wiring.c index 83679c7..bedce55 100644 --- a/src/wiring/wiring.c +++ b/src/wiring/wiring.c @@ -33,8 +33,14 @@ void init(void) { } void NVIC_Configuration(void) { +#ifdef VECT_TAB_ROM + NVIC_SetVectorTable(USER_ADDR_ROM, 0x0); +#elifdef VECT_TAB_RAM + NVIC_SetVectorTable(USER_ADDR_RAM, 0x0); +#else // VECT_TAB_BASE /* Set the Vector Table base location at 0x08000000 */ - NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0); + NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0); +#endif } diff --git a/src/wiring/wiring.h b/src/wiring/wiring.h index 789e697..4bf93bc 100644 --- a/src/wiring/wiring.h +++ b/src/wiring/wiring.h @@ -26,6 +26,9 @@ extern "C"{ #define LSBFIRST 0 #define MSBFIRST 1 +#define USER_ADDR_ROM 0x08005000 +#define USER_ADDR_RAM 0x20000C00 + #define lowByte(w) ((w) & 0xff) #define highByte(w) ((w) >> 8) #define bitRead(value, bit) (((value) >> (bit)) & 0x01) -- cgit v1.2.3