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Location: therm/libraries/USB/usb_sil.c
8f02a0213d08
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Added gpio, spi, and clock init. May need to swap stdperiph to the one thrown out by the cube
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | /**
******************************************************************************
* @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>© 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****/
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