Diff: stm_usb_fs_lib/src/usb_sil.c
- Revision:
- 0:8f0d870509fe
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/stm_usb_fs_lib/src/usb_sil.c Mon Sep 04 12:04:13 2017 +0000 @@ -0,0 +1,126 @@ +/******************** (C) COPYRIGHT 2010 STMicroelectronics ******************** +* File Name : usb_sil.c +* Author : MCD Application Team +* Version : V3.2.1 +* Date : 07/05/2010 +* Description : Simplified Interface Layer for Global Initialization and +* Endpoint Rea/Write operations. +******************************************************************************** +* 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 : 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) +{ +#ifndef STM32F10X_CL + + /* USB interrupts initialization */ + /* clear pending interrupts */ + _SetISTR(0); + wInterrupt_Mask = IMR_MSK; + /* set interrupts mask */ + _SetCNTR(wInterrupt_Mask); + +#else + + /* Perform OTG Device initialization procedure (including EP0 init) */ + OTG_DEV_Init(); + +#endif /* STM32F10X_CL */ + + 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) +{ +#ifndef STM32F10X_CL + + /* 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); + +#else + + /* Use the PCD interface layer function to write to the selected endpoint */ + PCD_EP_Write (bEpAddr, pBufferPointer, wBufferSize); + +#endif /* STM32F10X_CL */ + + 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; + +#ifndef STM32F10X_CL + + /* 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); + +#else + + USB_OTG_EP *ep; + + /* Get the structure pointer of the selected Endpoint */ + ep = PCD_GetOutEP(bEpAddr); + + /* Get the number of received data */ + DataLength = ep->xfer_len; + + /* Use the PCD interface layer function to read the selected endpoint */ + PCD_EP_Read (bEpAddr, pBufferPointer, DataLength); + +#endif /* STM32F10X_CL */ + + /* Return the number of received data */ + return DataLength; +} + +/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/