1
0
Fork 0
mirror of https://github.com/betaflight/betaflight.git synced 2025-07-15 04:15:44 +03:00

Add VCP driver (work in progress)

This commit is contained in:
Dominic Clifton 2014-06-02 01:54:25 +01:00
parent 294f09bc91
commit 3f8a6c0e20
39 changed files with 6912 additions and 7 deletions

File diff suppressed because it is too large Load diff

View file

@ -0,0 +1,76 @@
/**
******************************************************************************
* @file usb_init.c
* @author MCD Application Team
* @version V4.0.0
* @date 28-August-2012
* @brief Initialization routines & global variables
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2012 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "usb_lib.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* The number of current endpoint, it will be used to specify an endpoint */
uint8_t EPindex;
/* The number of current device, it is an index to the Device_Table */
/* uint8_t Device_no; */
/* Points to the DEVICE_INFO structure of current device */
/* The purpose of this register is to speed up the execution */
DEVICE_INFO *pInformation;
/* Points to the DEVICE_PROP structure of current device */
/* The purpose of this register is to speed up the execution */
DEVICE_PROP *pProperty;
/* Temporary save the state of Rx & Tx status. */
/* Whenever the Rx or Tx state is changed, its value is saved */
/* in this variable first and will be set to the EPRB or EPRA */
/* at the end of interrupt process */
uint16_t SaveState ;
uint16_t wInterrupt_Mask;
DEVICE_INFO Device_Info;
USER_STANDARD_REQUESTS *pUser_Standard_Requests;
/* Extern variables ----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : USB_Init
* Description : USB system initialization
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void USB_Init(void)
{
pInformation = &Device_Info;
pInformation->ControlState = 2;
pProperty = &Device_Property;
pUser_Standard_Requests = &User_Standard_Requests;
/* Initialize devices one by one */
pProperty->Init();
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

View file

@ -0,0 +1,195 @@
/**
******************************************************************************
* @file usb_int.c
* @author MCD Application Team
* @version V4.0.0
* @date 28-August-2012
* @brief Endpoint CTR (Low and High) interrupt's service routines
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2012 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "usb_lib.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
__IO uint16_t SaveRState;
__IO uint16_t SaveTState;
/* Extern variables ----------------------------------------------------------*/
extern void (*pEpInt_IN[7])(void); /* Handles IN interrupts */
extern void (*pEpInt_OUT[7])(void); /* Handles OUT interrupts */
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : CTR_LP.
* Description : Low priority Endpoint Correct Transfer interrupt's service
* routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void CTR_LP(void)
{
__IO uint16_t wEPVal = 0;
/* stay in loop while pending interrupts */
while (((wIstr = _GetISTR()) & ISTR_CTR) != 0)
{
/* extract highest priority endpoint number */
EPindex = (uint8_t)(wIstr & ISTR_EP_ID);
if (EPindex == 0)
{
/* Decode and service control endpoint interrupt */
/* calling related service routine */
/* (Setup0_Process, In0_Process, Out0_Process) */
/* save RX & TX status */
/* and set both to NAK */
SaveRState = _GetENDPOINT(ENDP0);
SaveTState = SaveRState & EPTX_STAT;
SaveRState &= EPRX_STAT;
_SetEPRxTxStatus(ENDP0,EP_RX_NAK,EP_TX_NAK);
/* DIR bit = origin of the interrupt */
if ((wIstr & ISTR_DIR) == 0)
{
/* DIR = 0 */
/* DIR = 0 => IN int */
/* DIR = 0 implies that (EP_CTR_TX = 1) always */
_ClearEP_CTR_TX(ENDP0);
In0_Process();
/* before terminate set Tx & Rx status */
_SetEPRxTxStatus(ENDP0,SaveRState,SaveTState);
return;
}
else
{
/* DIR = 1 */
/* DIR = 1 & CTR_RX => SETUP or OUT int */
/* DIR = 1 & (CTR_TX | CTR_RX) => 2 int pending */
wEPVal = _GetENDPOINT(ENDP0);
if ((wEPVal &EP_SETUP) != 0)
{
_ClearEP_CTR_RX(ENDP0); /* SETUP bit kept frozen while CTR_RX = 1 */
Setup0_Process();
/* before terminate set Tx & Rx status */
_SetEPRxTxStatus(ENDP0,SaveRState,SaveTState);
return;
}
else if ((wEPVal & EP_CTR_RX) != 0)
{
_ClearEP_CTR_RX(ENDP0);
Out0_Process();
/* before terminate set Tx & Rx status */
_SetEPRxTxStatus(ENDP0,SaveRState,SaveTState);
return;
}
}
}/* if(EPindex == 0) */
else
{
/* Decode and service non control endpoints interrupt */
/* process related endpoint register */
wEPVal = _GetENDPOINT(EPindex);
if ((wEPVal & EP_CTR_RX) != 0)
{
/* clear int flag */
_ClearEP_CTR_RX(EPindex);
/* call OUT service function */
(*pEpInt_OUT[EPindex-1])();
} /* if((wEPVal & EP_CTR_RX) */
if ((wEPVal & EP_CTR_TX) != 0)
{
/* clear int flag */
_ClearEP_CTR_TX(EPindex);
/* call IN service function */
(*pEpInt_IN[EPindex-1])();
} /* if((wEPVal & EP_CTR_TX) != 0) */
}/* if(EPindex == 0) else */
}/* while(...) */
}
/*******************************************************************************
* Function Name : CTR_HP.
* Description : High Priority Endpoint Correct Transfer interrupt's service
* routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void CTR_HP(void)
{
uint32_t wEPVal = 0;
while (((wIstr = _GetISTR()) & ISTR_CTR) != 0)
{
_SetISTR((uint16_t)CLR_CTR); /* clear CTR flag */
/* extract highest priority endpoint number */
EPindex = (uint8_t)(wIstr & ISTR_EP_ID);
/* process related endpoint register */
wEPVal = _GetENDPOINT(EPindex);
if ((wEPVal & EP_CTR_RX) != 0)
{
/* clear int flag */
_ClearEP_CTR_RX(EPindex);
/* call OUT service function */
(*pEpInt_OUT[EPindex-1])();
} /* if((wEPVal & EP_CTR_RX) */
else if ((wEPVal & EP_CTR_TX) != 0)
{
/* clear int flag */
_ClearEP_CTR_TX(EPindex);
/* call IN service function */
(*pEpInt_IN[EPindex-1])();
} /* if((wEPVal & EP_CTR_TX) != 0) */
}/* while(...) */
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

View file

@ -0,0 +1,87 @@
/**
******************************************************************************
* @file usb_mem.c
* @author MCD Application Team
* @version V4.0.0
* @date 28-August-2012
* @brief Utility functions for memory transfers to/from PMA
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2012 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "usb_lib.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Extern variables ----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : UserToPMABufferCopy
* Description : Copy a buffer from user memory area to packet memory area (PMA)
* Input : - pbUsrBuf: pointer to user memory area.
* - wPMABufAddr: address into PMA.
* - wNBytes: no. of bytes to be copied.
* Output : None.
* Return : None .
*******************************************************************************/
void UserToPMABufferCopy(uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
{
uint32_t n = (wNBytes + 1) >> 1; /* n = (wNBytes + 1) / 2 */
uint32_t i, temp1, temp2;
uint16_t *pdwVal;
pdwVal = (uint16_t *)(wPMABufAddr * 2 + PMAAddr);
for (i = n; i != 0; i--)
{
temp1 = (uint16_t) * pbUsrBuf;
pbUsrBuf++;
temp2 = temp1 | (uint16_t) * pbUsrBuf << 8;
*pdwVal++ = temp2;
pdwVal++;
pbUsrBuf++;
}
}
/*******************************************************************************
* Function Name : PMAToUserBufferCopy
* Description : Copy a buffer from user memory area to packet memory area (PMA)
* Input : - pbUsrBuf = pointer to user memory area.
* - wPMABufAddr = address into PMA.
* - wNBytes = no. of bytes to be copied.
* Output : None.
* Return : None.
*******************************************************************************/
void PMAToUserBufferCopy(uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
{
uint32_t n = (wNBytes + 1) >> 1;/* /2*/
uint32_t i;
uint32_t *pdwVal;
pdwVal = (uint32_t *)(wPMABufAddr * 2 + PMAAddr);
for (i = n; i != 0; i--)
{
*(uint16_t*)pbUsrBuf++ = *pdwVal++;
pbUsrBuf++;
}
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

View file

@ -0,0 +1,760 @@
/**
******************************************************************************
* @file usb_regs.c
* @author MCD Application Team
* @version V4.0.0
* @date 28-August-2012
* @brief Interface functions to USB cell registers
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2012 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* 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(uint16_t wRegValue)
{
_SetCNTR(wRegValue);
}
/*******************************************************************************
* Function Name : GetCNTR.
* Description : returns the CNTR register value.
* Input : None.
* Output : None.
* Return : CNTR register Value.
*******************************************************************************/
uint16_t GetCNTR(void)
{
return(_GetCNTR());
}
/*******************************************************************************
* Function Name : SetISTR.
* Description : Set the ISTR register value.
* Input : wRegValue: new register value.
* Output : None.
* Return : None.
*******************************************************************************/
void SetISTR(uint16_t wRegValue)
{
_SetISTR(wRegValue);
}
/*******************************************************************************
* Function Name : GetISTR
* Description : Returns the ISTR register value.
* Input : None.
* Output : None.
* Return : ISTR register Value
*******************************************************************************/
uint16_t GetISTR(void)
{
return(_GetISTR());
}
/*******************************************************************************
* Function Name : GetFNR
* Description : Returns the FNR register value.
* Input : None.
* Output : None.
* Return : FNR register Value
*******************************************************************************/
uint16_t GetFNR(void)
{
return(_GetFNR());
}
/*******************************************************************************
* Function Name : SetDADDR
* Description : Set the DADDR register value.
* Input : wRegValue: new register value.
* Output : None.
* Return : None.
*******************************************************************************/
void SetDADDR(uint16_t wRegValue)
{
_SetDADDR(wRegValue);
}
/*******************************************************************************
* Function Name : GetDADDR
* Description : Returns the DADDR register value.
* Input : None.
* Output : None.
* Return : DADDR register Value
*******************************************************************************/
uint16_t GetDADDR(void)
{
return(_GetDADDR());
}
/*******************************************************************************
* Function Name : SetBTABLE
* Description : Set the BTABLE.
* Input : wRegValue: New register value.
* Output : None.
* Return : None.
*******************************************************************************/
void SetBTABLE(uint16_t wRegValue)
{
_SetBTABLE(wRegValue);
}
/*******************************************************************************
* Function Name : GetBTABLE.
* Description : Returns the BTABLE register value.
* Input : None.
* Output : None.
* Return : BTABLE address.
*******************************************************************************/
uint16_t GetBTABLE(void)
{
return(_GetBTABLE());
}
/*******************************************************************************
* Function Name : SetENDPOINT
* Description : Set the Endpoint register value.
* Input : bEpNum: Endpoint Number.
* wRegValue.
* Output : None.
* Return : None.
*******************************************************************************/
void SetENDPOINT(uint8_t bEpNum, uint16_t wRegValue)
{
_SetENDPOINT(bEpNum, wRegValue);
}
/*******************************************************************************
* Function Name : GetENDPOINT
* Description : Return the Endpoint register value.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Endpoint register value.
*******************************************************************************/
uint16_t GetENDPOINT(uint8_t 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(uint8_t bEpNum, uint16_t wType)
{
_SetEPType(bEpNum, wType);
}
/*******************************************************************************
* Function Name : GetEPType
* Description : Returns the endpoint type.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Endpoint Type
*******************************************************************************/
uint16_t GetEPType(uint8_t 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(uint8_t bEpNum, uint16_t 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(uint8_t bEpNum, uint16_t 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(uint8_t bEpNum, uint8_t bDir)
{
uint16_t 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
*******************************************************************************/
uint16_t GetEPTxStatus(uint8_t bEpNum)
{
return(_GetEPTxStatus(bEpNum));
}
/*******************************************************************************
* Function Name : GetEPRxStatus
* Description : Returns the endpoint Rx status.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Endpoint RX Status
*******************************************************************************/
uint16_t GetEPRxStatus(uint8_t bEpNum)
{
return(_GetEPRxStatus(bEpNum));
}
/*******************************************************************************
* Function Name : SetEPTxValid
* Description : Valid the endpoint Tx Status.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
void SetEPTxValid(uint8_t 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(uint8_t 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(uint8_t 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(uint8_t 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(uint8_t 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(uint8_t 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(uint8_t 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(uint8_t 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.
*******************************************************************************/
uint16_t GetTxStallStatus(uint8_t 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.
*******************************************************************************/
uint16_t GetRxStallStatus(uint8_t 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(uint8_t 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(uint8_t 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(uint8_t 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(uint8_t 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(uint8_t 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(uint8_t 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(uint8_t bEpNum, uint8_t bAddr)
{
_SetEPAddress(bEpNum, bAddr);
}
/*******************************************************************************
* Function Name : GetEPAddress
* Description : Get the endpoint address.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Endpoint address.
*******************************************************************************/
uint8_t GetEPAddress(uint8_t 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(uint8_t bEpNum, uint16_t 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(uint8_t bEpNum, uint16_t wAddr)
{
_SetEPRxAddr(bEpNum, wAddr);
}
/*******************************************************************************
* Function Name : GetEPTxAddr
* Description : Returns the endpoint Tx buffer address.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Rx buffer address.
*******************************************************************************/
uint16_t GetEPTxAddr(uint8_t bEpNum)
{
return(_GetEPTxAddr(bEpNum));
}
/*******************************************************************************
* Function Name : GetEPRxAddr.
* Description : Returns the endpoint Rx buffer address.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Rx buffer address.
*******************************************************************************/
uint16_t GetEPRxAddr(uint8_t 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(uint8_t bEpNum, uint16_t 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(uint32_t *pdwReg, uint16_t 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(uint8_t bEpNum, uint16_t wCount)
{
_SetEPRxCount(bEpNum, wCount);
}
/*******************************************************************************
* Function Name : GetEPTxCount
* Description : Get the Tx count.
* Input : bEpNum: Endpoint Number.
* Output : None
* Return : Tx count value.
*******************************************************************************/
uint16_t GetEPTxCount(uint8_t bEpNum)
{
return(_GetEPTxCount(bEpNum));
}
/*******************************************************************************
* Function Name : GetEPRxCount
* Description : Get the Rx count.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : Rx count value.
*******************************************************************************/
uint16_t GetEPRxCount(uint8_t 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(uint8_t bEpNum, uint16_t wBuf0Addr, uint16_t 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(uint8_t bEpNum, uint16_t 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(uint8_t bEpNum, uint16_t wBuf1Addr)
{
_SetEPDblBuf1Addr(bEpNum, wBuf1Addr);
}
/*******************************************************************************
* Function Name : GetEPDblBuf0Addr
* Description : Returns the address of the Buffer 0.
* Input : bEpNum: Endpoint Number.
* Output : None.
* Return : None.
*******************************************************************************/
uint16_t GetEPDblBuf0Addr(uint8_t 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.
*******************************************************************************/
uint16_t GetEPDblBuf1Addr(uint8_t 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(uint8_t bEpNum, uint8_t bDir, uint16_t 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(uint8_t bEpNum, uint8_t bDir, uint16_t 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(uint8_t bEpNum, uint8_t bDir, uint16_t 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
*******************************************************************************/
uint16_t GetEPDblBuf0Count(uint8_t 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.
*******************************************************************************/
uint16_t GetEPDblBuf1Count(uint8_t 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(uint8_t bEpNum)
{
if ((uint16_t)(*_pEPRxCount(bEpNum) & 0xFC00) != 0)
return(EP_DBUF_OUT);
else if (((uint16_t)(*_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(uint8_t bEpNum, uint8_t 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.
*******************************************************************************/
uint16_t ToWord(uint8_t bh, uint8_t bl)
{
uint16_t wRet;
wRet = (uint16_t)bl | ((uint16_t)bh << 8);
return(wRet);
}
/*******************************************************************************
* Function Name : ByteSwap
* Description : Swap two byte in a word.
* Input : wSwW: word to Swap.
* Output : None.
* Return : resulted word.
*******************************************************************************/
uint16_t ByteSwap(uint16_t wSwW)
{
uint8_t bTemp;
uint16_t wRet;
bTemp = (uint8_t)(wSwW & 0xff);
wRet = (wSwW >> 8) | ((uint16_t)bTemp << 8);
return(wRet);
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

View file

@ -0,0 +1,103 @@
/**
******************************************************************************
* @file usb_sil.c
* @author MCD Application Team
* @version V4.0.0
* @date 28-August-2012
* @brief Simplified Interface Layer for Global Initialization and Endpoint
* Rea/Write operations.
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2012 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "usb_lib.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Extern variables ----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : USB_SIL_Init
* Description : Initialize the USB Device IP and the Endpoint 0.
* Input : None.
* Output : None.
* Return : Status.
*******************************************************************************/
uint32_t USB_SIL_Init(void)
{
/* USB interrupts initialization */
/* clear pending interrupts */
_SetISTR(0);
wInterrupt_Mask = IMR_MSK;
/* set interrupts mask */
_SetCNTR(wInterrupt_Mask);
return 0;
}
/*******************************************************************************
* Function Name : USB_SIL_Write
* Description : Write a buffer of data to a selected endpoint.
* Input : - bEpAddr: The address of the non control endpoint.
* - pBufferPointer: The pointer to the buffer of data to be written
* to the endpoint.
* - wBufferSize: Number of data to be written (in bytes).
* Output : None.
* Return : Status.
*******************************************************************************/
uint32_t USB_SIL_Write(uint8_t bEpAddr, uint8_t* pBufferPointer, uint32_t wBufferSize)
{
/* Use the memory interface function to write to the selected endpoint */
UserToPMABufferCopy(pBufferPointer, GetEPTxAddr(bEpAddr & 0x7F), wBufferSize);
/* Update the data length in the control register */
SetEPTxCount((bEpAddr & 0x7F), wBufferSize);
return 0;
}
/*******************************************************************************
* Function Name : USB_SIL_Read
* Description : Write a buffer of data to a selected endpoint.
* Input : - bEpAddr: The address of the non control endpoint.
* - pBufferPointer: The pointer to which will be saved the
* received data buffer.
* Output : None.
* Return : Number of received data (in Bytes).
*******************************************************************************/
uint32_t USB_SIL_Read(uint8_t bEpAddr, uint8_t* pBufferPointer)
{
uint32_t DataLength = 0;
/* Get the number of received data on the selected Endpoint */
DataLength = GetEPRxCount(bEpAddr & 0x7F);
/* Use the memory interface function to write to the selected endpoint */
PMAToUserBufferCopy(pBufferPointer, GetEPRxAddr(bEpAddr & 0x7F), DataLength);
/* Return the number of received data */
return DataLength;
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/