3 Star 0 Fork 0

mirrors_rogerclarkmelbourne/STM32duino-bootloader

加入 Gitee
与超过 1400万 开发者一起发现、参与优秀开源项目,私有仓库也完全免费 :)
免费加入
文件
该仓库未声明开源许可证文件(LICENSE),使用请关注具体项目描述及其代码上游依赖。
克隆/下载
usb_regs.c 27.20 KB
一键复制 编辑 原始数据 按行查看 历史
Grant Miller 提交于 2017-08-01 17:14 +08:00 . Move contents of STM32F1 to main directory
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748
/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
* File Name : usb_regs.c
* Author : MCD Application Team
* Version : V2.2.1
* Date : 09/22/2008
* Description : Interface 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.
*******************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "usb_lib.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Extern variables ----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : SetCNTR.
* Description : Set the CNTR register value.
* Input : wRegValue: new register value.
* Output : None.
* Return : None.
*******************************************************************************/
void SetCNTR(u16 wRegValue)
{
_SetCNTR(wRegValue);
}
/*******************************************************************************
* Function Name : GetCNTR.
* Description : returns the CNTR register value.
* Input : None.
* Output : None.
* Return : CNTR register Value.
*******************************************************************************/
u16 GetCNTR(void)
{
return(_GetCNTR());
}
/*******************************************************************************
* Function Name : SetISTR.
* Description : Set the ISTR register value.
* Input : wRegValue: new register value.
* Output : None.
* Return : None.
*******************************************************************************/
void SetISTR(u16 wRegValue)
{
_SetISTR(wRegValue);
}
/*******************************************************************************
* Function Name : GetISTR
* Description : Returns the ISTR register value.
* Input : None.
* Output : None.
* Return : ISTR register Value
*******************************************************************************/
u16 GetISTR(void)
{
return(_GetISTR());
}
/*******************************************************************************
* Function Name : GetFNR
* Description : Returns the FNR register value.
* Input : None.
* Output : None.
* Return : FNR register Value
*******************************************************************************/
u16 GetFNR(void)
{
return(_GetFNR());
}
/*******************************************************************************
* Function Name : SetDADDR
* Description : Set the DADDR register value.
* Input : wRegValue: new register value.
* Output : None.
* Return : None.
*******************************************************************************/
void SetDADDR(u16 wRegValue)
{
_SetDADDR(wRegValue);
}
/*******************************************************************************
* Function Name : GetDADDR
* Description : Returns the DADDR register value.
* Input : None.
* Output : None.
* Return : DADDR register Value
*******************************************************************************/
u16 GetDADDR(void)
{
return(_GetDADDR());
}
/*******************************************************************************
* Function Name : SetBTABLE
* Description : Set the BTABLE.
* Input : wRegValue: New register value.
* Output : None.
* Return : None.
*******************************************************************************/
void SetBTABLE(u16 wRegValue)
{
_SetBTABLE(wRegValue);
}
/*******************************************************************************
* Function Name : GetBTABLE.
* Description : Returns the BTABLE register value.
* Input : None.
* Output : None.
* Return : BTABLE address.
*******************************************************************************/
u16 GetBTABLE(void)
{
return(_GetBTABLE());
}
/*******************************************************************************
* Function Name : SetENDPOINT
* Description : Setthe Endpoint register value.
* Input : bEpNum: Endpoint Number.
* wRegValue.
* Output : None.
* Return : None.
*******************************************************************************/
void SetENDPOINT(u8 bEpNum, u16 wRegValue)
{
_SetENDPOINT(bEpNum, wRegValue);
}
/*******************************************************************************
* Function Name : GetENDPOINT
* Description : Return the Endpoint register value.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Endpoint register value.
*******************************************************************************/
u16 GetENDPOINT(u8 bEpNum)
{
return(_GetENDPOINT(bEpNum));
}
/*******************************************************************************
* Function Name : SetEPType
* Description : sets the type in the endpoint register.
* Input : bEpNum: Endpoint Number.
* wType: type definition.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPType(u8 bEpNum, u16 wType)
{
_SetEPType(bEpNum, wType);
}
/*******************************************************************************
* Function Name : GetEPType
* Description : Returns the endpoint type.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Endpoint Type
*******************************************************************************/
u16 GetEPType(u8 bEpNum)
{
return(_GetEPType(bEpNum));
}
/*******************************************************************************
* Function Name : SetEPTxStatus
* Description : Set the status of Tx endpoint.
* Input : bEpNum: Endpoint Number.
* wState: new state.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPTxStatus(u8 bEpNum, u16 wState)
{
_SetEPTxStatus(bEpNum, wState);
}
/*******************************************************************************
* Function Name : SetEPRxStatus
* Description : Set the status of Rx endpoint.
* Input : bEpNum: Endpoint Number.
* wState: new state.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPRxStatus(u8 bEpNum, u16 wState)
{
_SetEPRxStatus(bEpNum, wState);
}
/*******************************************************************************
* Function Name : SetDouBleBuffEPStall
* Description : sets the status for Double Buffer Endpoint to STALL
* Input : bEpNum: Endpoint Number.
* bDir: Endpoint direction.
* Output : None.
* Return : None.
*******************************************************************************/
void SetDouBleBuffEPStall(u8 bEpNum, u8 bDir)
{
u16 Endpoint_DTOG_Status;
Endpoint_DTOG_Status = GetENDPOINT(bEpNum);
if (bDir == EP_DBUF_OUT)
{ /* OUT double buffered endpoint */
_SetENDPOINT(bEpNum, Endpoint_DTOG_Status & ~EPRX_DTOG1);
}
else if (bDir == EP_DBUF_IN)
{ /* IN double buffered endpoint */
_SetENDPOINT(bEpNum, Endpoint_DTOG_Status & ~EPTX_DTOG1);
}
}
/*******************************************************************************
* Function Name : GetEPTxStatus
* Description : Returns the endpoint Tx status.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Endpoint TX Status
*******************************************************************************/
u16 GetEPTxStatus(u8 bEpNum)
{
return(_GetEPTxStatus(bEpNum));
}
/*******************************************************************************
* Function Name : GetEPRxStatus
* Description : Returns the endpoint Rx status.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Endpoint RX Status
*******************************************************************************/
u16 GetEPRxStatus(u8 bEpNum)
{
return(_GetEPRxStatus(bEpNum));
}
/*******************************************************************************
* Function Name : SetEPTxValid
* Description : Valid the endpoint Tx Status.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPTxValid(u8 bEpNum)
{
_SetEPTxStatus(bEpNum, EP_TX_VALID);
}
/*******************************************************************************
* Function Name : SetEPRxValid
* Description : Valid the endpoint Rx Status.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPRxValid(u8 bEpNum)
{
_SetEPRxStatus(bEpNum, EP_RX_VALID);
}
/*******************************************************************************
* Function Name : SetEP_KIND
* Description : Clear the EP_KIND bit.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEP_KIND(u8 bEpNum)
{
_SetEP_KIND(bEpNum);
}
/*******************************************************************************
* Function Name : ClearEP_KIND
* Description : set the EP_KIND bit.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
void ClearEP_KIND(u8 bEpNum)
{
_ClearEP_KIND(bEpNum);
}
/*******************************************************************************
* Function Name : Clear_Status_Out
* Description : Clear the Status Out of the related Endpoint
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
void Clear_Status_Out(u8 bEpNum)
{
_ClearEP_KIND(bEpNum);
}
/*******************************************************************************
* Function Name : Set_Status_Out
* Description : Set the Status Out of the related Endpoint
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
void Set_Status_Out(u8 bEpNum)
{
_SetEP_KIND(bEpNum);
}
/*******************************************************************************
* Function Name : SetEPDoubleBuff
* Description : Enable the double buffer feature for the endpoint.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPDoubleBuff(u8 bEpNum)
{
_SetEP_KIND(bEpNum);
}
/*******************************************************************************
* Function Name : ClearEPDoubleBuff
* Description : Disable the double buffer feature for the endpoint.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
void ClearEPDoubleBuff(u8 bEpNum)
{
_ClearEP_KIND(bEpNum);
}
/*******************************************************************************
* Function Name : GetTxStallStatus
* Description : Returns the Stall status of the Tx endpoint.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Tx Stall status.
*******************************************************************************/
u16 GetTxStallStatus(u8 bEpNum)
{
return(_GetTxStallStatus(bEpNum));
}
/*******************************************************************************
* Function Name : GetRxStallStatus
* Description : Returns the Stall status of the Rx endpoint.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Rx Stall status.
*******************************************************************************/
u16 GetRxStallStatus(u8 bEpNum)
{
return(_GetRxStallStatus(bEpNum));
}
/*******************************************************************************
* Function Name : ClearEP_CTR_RX
* Description : Clear the CTR_RX bit.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
void ClearEP_CTR_RX(u8 bEpNum)
{
_ClearEP_CTR_RX(bEpNum);
}
/*******************************************************************************
* Function Name : ClearEP_CTR_TX
* Description : Clear the CTR_TX bit.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
void ClearEP_CTR_TX(u8 bEpNum)
{
_ClearEP_CTR_TX(bEpNum);
}
/*******************************************************************************
* Function Name : ToggleDTOG_RX
* Description : Toggle the DTOG_RX bit.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
void ToggleDTOG_RX(u8 bEpNum)
{
_ToggleDTOG_RX(bEpNum);
}
/*******************************************************************************
* Function Name : ToggleDTOG_TX
* Description : Toggle the DTOG_TX bit.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
void ToggleDTOG_TX(u8 bEpNum)
{
_ToggleDTOG_TX(bEpNum);
}
/*******************************************************************************
* Function Name : ClearDTOG_RX.
* Description : Clear the DTOG_RX bit.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
void ClearDTOG_RX(u8 bEpNum)
{
_ClearDTOG_RX(bEpNum);
}
/*******************************************************************************
* Function Name : ClearDTOG_TX.
* Description : Clear the DTOG_TX bit.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
void ClearDTOG_TX(u8 bEpNum)
{
_ClearDTOG_TX(bEpNum);
}
/*******************************************************************************
* Function Name : SetEPAddress
* Description : Set the endpoint address.
* Input : bEpNum: Endpoint Number.
* bAddr: New endpoint address.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPAddress(u8 bEpNum, u8 bAddr)
{
_SetEPAddress(bEpNum, bAddr);
}
/*******************************************************************************
* Function Name : GetEPAddress
* Description : Get the endpoint address.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Endpoint address.
*******************************************************************************/
u8 GetEPAddress(u8 bEpNum)
{
return(_GetEPAddress(bEpNum));
}
/*******************************************************************************
* Function Name : SetEPTxAddr
* Description : Set the endpoint Tx buffer address.
* Input : bEpNum: Endpoint Number.
* wAddr: new address.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPTxAddr(u8 bEpNum, u16 wAddr)
{
_SetEPTxAddr(bEpNum, wAddr);
}
/*******************************************************************************
* Function Name : SetEPRxAddr
* Description : Set the endpoint Rx buffer address.
* Input : bEpNum: Endpoint Number.
* wAddr: new address.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPRxAddr(u8 bEpNum, u16 wAddr)
{
_SetEPRxAddr(bEpNum, wAddr);
}
/*******************************************************************************
* Function Name : GetEPTxAddr
* Description : Returns the endpoint Tx buffer address.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Rx buffer address.
*******************************************************************************/
u16 GetEPTxAddr(u8 bEpNum)
{
return(_GetEPTxAddr(bEpNum));
}
/*******************************************************************************
* Function Name : GetEPRxAddr.
* Description : Returns the endpoint Rx buffer address.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Rx buffer address.
*******************************************************************************/
u16 GetEPRxAddr(u8 bEpNum)
{
return(_GetEPRxAddr(bEpNum));
}
/*******************************************************************************
* Function Name : SetEPTxCount.
* Description : Set the Tx count.
* Input : bEpNum: Endpoint Number.
* wCount: new count value.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPTxCount(u8 bEpNum, u16 wCount)
{
_SetEPTxCount(bEpNum, wCount);
}
/*******************************************************************************
* Function Name : SetEPCountRxReg.
* Description : Set the Count Rx Register value.
* Input : *pdwReg: point to the register.
* wCount: the new register value.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPCountRxReg(u32 *pdwReg, u16 wCount)
{
_SetEPCountRxReg(dwReg, wCount);
}
/*******************************************************************************
* Function Name : SetEPRxCount
* Description : Set the Rx count.
* Input : bEpNum: Endpoint Number.
* wCount: the new count value.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPRxCount(u8 bEpNum, u16 wCount)
{
_SetEPRxCount(bEpNum, wCount);
}
/*******************************************************************************
* Function Name : GetEPTxCount
* Description : Get the Tx count.
* Input : bEpNum: Endpoint Number.
* Output : None
* Return : Tx count value.
*******************************************************************************/
u16 GetEPTxCount(u8 bEpNum)
{
return(_GetEPTxCount(bEpNum));
}
/*******************************************************************************
* Function Name : GetEPRxCount
* Description : Get the Rx count.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Rx count value.
*******************************************************************************/
u16 GetEPRxCount(u8 bEpNum)
{
return(_GetEPRxCount(bEpNum));
}
/*******************************************************************************
* Function Name : SetEPDblBuffAddr
* Description : Set the addresses of the buffer 0 and 1.
* Input : bEpNum: Endpoint Number.
* wBuf0Addr: new address of buffer 0.
* wBuf1Addr: new address of buffer 1.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPDblBuffAddr(u8 bEpNum, u16 wBuf0Addr, u16 wBuf1Addr)
{
_SetEPDblBuffAddr(bEpNum, wBuf0Addr, wBuf1Addr);
}
/*******************************************************************************
* Function Name : SetEPDblBuf0Addr
* Description : Set the Buffer 1 address.
* Input : bEpNum: Endpoint Number
* wBuf0Addr: new address.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPDblBuf0Addr(u8 bEpNum, u16 wBuf0Addr)
{
_SetEPDblBuf0Addr(bEpNum, wBuf0Addr);
}
/*******************************************************************************
* Function Name : SetEPDblBuf1Addr
* Description : Set the Buffer 1 address.
* Input : bEpNum: Endpoint Number
* wBuf1Addr: new address.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPDblBuf1Addr(u8 bEpNum, u16 wBuf1Addr)
{
_SetEPDblBuf1Addr(bEpNum, wBuf1Addr);
}
/*******************************************************************************
* Function Name : GetEPDblBuf0Addr
* Description : Returns the address of the Buffer 0.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
u16 GetEPDblBuf0Addr(u8 bEpNum)
{
return(_GetEPDblBuf0Addr(bEpNum));
}
/*******************************************************************************
* Function Name : GetEPDblBuf1Addr
* Description : Returns the address of the Buffer 1.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Address of the Buffer 1.
*******************************************************************************/
u16 GetEPDblBuf1Addr(u8 bEpNum)
{
return(_GetEPDblBuf1Addr(bEpNum));
}
/*******************************************************************************
* Function Name : SetEPDblBuffCount
* Description : Set the number of bytes for a double Buffer
* endpoint.
* Input : bEpNum,bDir, wCount
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPDblBuffCount(u8 bEpNum, u8 bDir, u16 wCount)
{
_SetEPDblBuffCount(bEpNum, bDir, wCount);
}
/*******************************************************************************
* Function Name : SetEPDblBuf0Count
* Description : Set the number of bytes in the buffer 0 of a double Buffer
* endpoint.
* Input : bEpNum, bDir, wCount
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPDblBuf0Count(u8 bEpNum, u8 bDir, u16 wCount)
{
_SetEPDblBuf0Count(bEpNum, bDir, wCount);
}
/*******************************************************************************
* Function Name : SetEPDblBuf1Count
* Description : Set the number of bytes in the buffer 0 of a double Buffer
* endpoint.
* Input : bEpNum, bDir, wCount
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPDblBuf1Count(u8 bEpNum, u8 bDir, u16 wCount)
{
_SetEPDblBuf1Count(bEpNum, bDir, wCount);
}
/*******************************************************************************
* Function Name : GetEPDblBuf0Count
* Description : Returns the number of byte received in the buffer 0 of a double
* Buffer endpoint.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Endpoint Buffer 0 count
*******************************************************************************/
u16 GetEPDblBuf0Count(u8 bEpNum)
{
return(_GetEPDblBuf0Count(bEpNum));
}
/*******************************************************************************
* Function Name : GetEPDblBuf1Count
* Description : Returns the number of data received in the buffer 1 of a double
* Buffer endpoint.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Endpoint Buffer 1 count.
*******************************************************************************/
u16 GetEPDblBuf1Count(u8 bEpNum)
{
return(_GetEPDblBuf1Count(bEpNum));
}
/*******************************************************************************
* Function Name : GetEPDblBufDir
* Description : gets direction of the double buffered endpoint
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : EP_DBUF_OUT, EP_DBUF_IN,
* EP_DBUF_ERR if the endpoint counter not yet programmed.
*******************************************************************************/
EP_DBUF_DIR GetEPDblBufDir(u8 bEpNum)
{
if ((u16)(*_pEPRxCount(bEpNum) & 0xFC00) != 0)
return(EP_DBUF_OUT);
else if (((u16)(*_pEPTxCount(bEpNum)) & 0x03FF) != 0)
return(EP_DBUF_IN);
else
return(EP_DBUF_ERR);
}
/*******************************************************************************
* Function Name : FreeUserBuffer
* Description : free buffer used from the application realizing it to the line
toggles bit SW_BUF in the double buffered endpoint register
* Input : bEpNum, bDir
* Output : None.
* Return : None.
*******************************************************************************/
void FreeUserBuffer(u8 bEpNum, u8 bDir)
{
if (bDir == EP_DBUF_OUT)
{ /* OUT double buffered endpoint */
_ToggleDTOG_TX(bEpNum);
}
else if (bDir == EP_DBUF_IN)
{ /* IN double buffered endpoint */
_ToggleDTOG_RX(bEpNum);
}
}
/*******************************************************************************
* Function Name : ToWord
* Description : merge two byte in a word.
* Input : bh: byte high, bl: bytes low.
* Output : None.
* Return : resulted word.
*******************************************************************************/
u16 ToWord(u8 bh, u8 bl)
{
u16 wRet;
wRet = (u16)bl | ((u16)bh << 8);
return(wRet);
}
/*******************************************************************************
* Function Name : ByteSwap
* Description : Swap two byte in a word.
* Input : wSwW: word to Swap.
* Output : None.
* Return : resulted word.
*******************************************************************************/
u16 ByteSwap(u16 wSwW)
{
u8 bTemp;
u16 wRet;
bTemp = (u8)(wSwW & 0xff);
wRet = (wSwW >> 8) | ((u16)bTemp << 8);
return(wRet);
}
/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/
Loading...
马建仓 AI 助手
尝试更多
代码解读
代码找茬
代码优化
1
https://gitee.com/mirrors_rogerclarkmelbourne/STM32duino-bootloader.git
git@gitee.com:mirrors_rogerclarkmelbourne/STM32duino-bootloader.git
mirrors_rogerclarkmelbourne
STM32duino-bootloader
STM32duino-bootloader
master

搜索帮助