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226 lines
5.3 KiB
226 lines
5.3 KiB
/**
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******************************************************************************
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* @file usbd_cdc_if_template.c
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* @author MCD Application Team
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* @version V2.4.2
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* @date 11-December-2015
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* @brief Generic media access Layer.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT 2015 STMicroelectronics</center></h2>
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*
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* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
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* You may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.st.com/software_license_agreement_liberty_v2
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "usbd_cdc_if_template.h"
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/** @addtogroup STM32_USB_DEVICE_LIBRARY
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* @{
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*/
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/** @defgroup USBD_CDC
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* @brief usbd core module
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* @{
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*/
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/** @defgroup USBD_CDC_Private_TypesDefinitions
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup USBD_CDC_Private_Defines
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup USBD_CDC_Private_Macros
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup USBD_CDC_Private_FunctionPrototypes
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* @{
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*/
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static int8_t TEMPLATE_Init (void);
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static int8_t TEMPLATE_DeInit (void);
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static int8_t TEMPLATE_Control (uint8_t cmd, uint8_t* pbuf, uint16_t length);
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static int8_t TEMPLATE_Receive (uint8_t* pbuf, uint32_t *Len);
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USBD_CDC_ItfTypeDef USBD_CDC_Template_fops =
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{
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TEMPLATE_Init,
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TEMPLATE_DeInit,
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TEMPLATE_Control,
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TEMPLATE_Receive
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};
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USBD_CDC_LineCodingTypeDef linecoding =
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{
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115200, /* baud rate*/
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0x00, /* stop bits-1*/
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0x00, /* parity - none*/
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0x08 /* nb. of bits 8*/
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};
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/* Private functions ---------------------------------------------------------*/
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/**
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* @brief TEMPLATE_Init
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* Initializes the CDC media low layer
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* @param None
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* @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
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*/
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static int8_t TEMPLATE_Init(void)
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{
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/*
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Add your initialization code here
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*/
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return (0);
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}
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/**
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* @brief TEMPLATE_DeInit
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* DeInitializes the CDC media low layer
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* @param None
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* @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
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*/
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static int8_t TEMPLATE_DeInit(void)
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{
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/*
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Add your deinitialization code here
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*/
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return (0);
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}
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/**
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* @brief TEMPLATE_Control
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* Manage the CDC class requests
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* @param Cmd: Command code
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* @param Buf: Buffer containing command data (request parameters)
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* @param Len: Number of data to be sent (in bytes)
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* @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
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*/
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static int8_t TEMPLATE_Control (uint8_t cmd, uint8_t* pbuf, uint16_t length)
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{
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switch (cmd)
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{
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case CDC_SEND_ENCAPSULATED_COMMAND:
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/* Add your code here */
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break;
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case CDC_GET_ENCAPSULATED_RESPONSE:
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/* Add your code here */
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break;
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case CDC_SET_COMM_FEATURE:
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/* Add your code here */
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break;
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case CDC_GET_COMM_FEATURE:
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/* Add your code here */
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break;
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case CDC_CLEAR_COMM_FEATURE:
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/* Add your code here */
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break;
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case CDC_SET_LINE_CODING:
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linecoding.bitrate = (uint32_t)(pbuf[0] | (pbuf[1] << 8) |\
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(pbuf[2] << 16) | (pbuf[3] << 24));
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linecoding.format = pbuf[4];
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linecoding.paritytype = pbuf[5];
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linecoding.datatype = pbuf[6];
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/* Add your code here */
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break;
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case CDC_GET_LINE_CODING:
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pbuf[0] = (uint8_t)(linecoding.bitrate);
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pbuf[1] = (uint8_t)(linecoding.bitrate >> 8);
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pbuf[2] = (uint8_t)(linecoding.bitrate >> 16);
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pbuf[3] = (uint8_t)(linecoding.bitrate >> 24);
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pbuf[4] = linecoding.format;
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pbuf[5] = linecoding.paritytype;
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pbuf[6] = linecoding.datatype;
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/* Add your code here */
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break;
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case CDC_SET_CONTROL_LINE_STATE:
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/* Add your code here */
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break;
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case CDC_SEND_BREAK:
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/* Add your code here */
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break;
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default:
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break;
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}
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return (0);
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}
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/**
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* @brief TEMPLATE_Receive
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* Data received over USB OUT endpoint are sent over CDC interface
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* through this function.
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*
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* @note
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* This function will issue a NAK packet on any OUT packet received on
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* USB endpoint untill exiting this function. If you exit this function
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* before transfer is complete on CDC interface (ie. using DMA controller)
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* it will result in receiving more data while previous ones are still
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* not sent.
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*
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* @param Buf: Buffer of data to be received
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* @param Len: Number of data received (in bytes)
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* @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
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*/
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static int8_t TEMPLATE_Receive (uint8_t* Buf, uint32_t *Len)
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{
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return (0);
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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