STSW-STLKT01: Projects/SensorTile/Applications/DataLog/Src/usbd_cdc_interface.c File Reference

STSW-STLKT01

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Macros | Functions | Variables
usbd_cdc_interface.c File Reference

Source file for USBD CDC interface. More...

#include "usbd_cdc_interface.h" #include "main.h"

Go to the source code of this file.

Macros

#define APP_RX_DATA_SIZE   2048
 
#define APP_TX_DATA_SIZE   2048
 

Functions

static int8_t CDC_Itf_Init (void)
 CDC_Itf_Init Initializes the CDC media low layer. More...
 
static int8_t CDC_Itf_DeInit (void)
 CDC_Itf_DeInit DeInitializes the CDC media low layer. More...
 
static int8_t CDC_Itf_Control (uint8_t cmd, uint8_t *pbuf, uint16_t length)
 CDC_Itf_Control Manage the CDC class requests. More...
 
static int8_t CDC_Itf_Receive (uint8_t *Buf, uint32_t *Len)
 CDC_Itf_DataRx Data received over USB OUT endpoint are sent over CDC interface through this function. More...
 
static void Error_Handler (void)
 This function is executed in case of error occurrence. More...
 
static void TIM_Config (void)
 TIM_Config: Configure TIMx timer. More...
 
uint8_t CDC_Fill_Buffer (uint8_t *Buf, uint32_t TotalLen)
 Fill the usb tx buffer. More...
 
void HAL_TIM_PeriodElapsedCallback (TIM_HandleTypeDef *htim)
 TIM period elapsed callback. More...
 

Variables

USBD_CDC_LineCodingTypeDef LineCoding
 
uint8_t UserRxBuffer [APP_RX_DATA_SIZE]
 
uint8_t UserTxBuffer [APP_TX_DATA_SIZE]
 
uint32_t BuffLength
 
uint32_t UserTxBufPtrIn = 0
 
uint32_t UserTxBufPtrOut = 0
 
volatile uint8_t USB_RxBuffer [USB_RxBufferDim]
 
volatile uint16_t USB_RxBufferStart_idx = 0
 
TIM_HandleTypeDef TimHandle
 
USBD_HandleTypeDef USBD_Device
 
USBD_CDC_ItfTypeDef USBD_CDC_fops
 

Detailed Description

Source file for USBD CDC interface.

Author
MCD Application Team
Version
V1.3.0
Date
29-January-2016
Attention

© Copyright (c) 2016 STMicroelectronics International N.V. All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted, provided that the following conditions are met:

  1. Redistribution of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
  2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
  3. Neither the name of STMicroelectronics nor the names of other contributors to this software may be used to endorse or promote products derived from this software without specific written permission.
  4. This software, including modifications and/or derivative works of this software, must execute solely and exclusively on microcontroller or microprocessor devices manufactured by or for STMicroelectronics.
  5. Redistribution and use of this software other than as permitted under this license is void and will automatically terminate your rights under this license.

THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Definition in file usbd_cdc_interface.c.

Function Documentation

◆ CDC_Fill_Buffer()

uint8_t CDC_Fill_Buffer ( uint8_t *  Buf,
uint32_t  TotalLen 
)

Fill the usb tx buffer.

Parameters
Bufpointer to the tx buffer
TotalLennumber of bytes to be sent
Return values
Resultof the operation: USBD_OK if all operations are OK

Definition at line 224 of file usbd_cdc_interface.c.

◆ CDC_Itf_Control()

static int8_t CDC_Itf_Control ( uint8_t  cmd,
uint8_t *  pbuf,
uint16_t  length 
)
static

CDC_Itf_Control Manage the CDC class requests.

Parameters
CmdCommand code
BufBuffer containing command data (request parameters)
LenNumber of data to be sent (in bytes)
Return values
Resultof the operation: USBD_OK if all operations are OK else USBD_FAIL

Definition at line 158 of file usbd_cdc_interface.c.

◆ CDC_Itf_DeInit()

static int8_t CDC_Itf_DeInit ( void  )
static

CDC_Itf_DeInit DeInitializes the CDC media low layer.

Parameters
None
Return values
Resultof the operation: USBD_OK if all operations are OK else USBD_FAIL

Definition at line 144 of file usbd_cdc_interface.c.

◆ CDC_Itf_Init()

static int8_t CDC_Itf_Init ( void  )
static

CDC_Itf_Init Initializes the CDC media low layer.

Parameters
None
Return values
Resultof the operation: USBD_OK if all operations are OK else USBD_FAIL

Definition at line 108 of file usbd_cdc_interface.c.

◆ CDC_Itf_Receive()

static int8_t CDC_Itf_Receive ( uint8_t *  Buf,
uint32_t *  Len 
)
static

CDC_Itf_DataRx Data received over USB OUT endpoint are sent over CDC interface through this function.

Parameters
BufBuffer of data to be transmitted
LenNumber of data received (in bytes)
Return values
Resultof the operation: USBD_OK if all operations are OK else USBD_FAIL

Definition at line 281 of file usbd_cdc_interface.c.

◆ Error_Handler()

static void Error_Handler ( void  )
static

This function is executed in case of error occurrence.

Parameters
None
Return values
None

Definition at line 343 of file usbd_cdc_interface.c.

◆ HAL_TIM_PeriodElapsedCallback()

void HAL_TIM_PeriodElapsedCallback ( TIM_HandleTypeDef *  htim)

TIM period elapsed callback.

Parameters
htimTIM handle
Return values
None

Definition at line 241 of file usbd_cdc_interface.c.

◆ TIM_Config()

static void TIM_Config ( void  )
static

TIM_Config: Configure TIMx timer.

Parameters
None.
Return values
None.

Definition at line 315 of file usbd_cdc_interface.c.

Variable Documentation

◆ LineCoding

USBD_CDC_LineCodingTypeDef LineCoding
Initial value:
=
{
115200,
0x00,
0x00,
0x08
}

Definition at line 59 of file usbd_cdc_interface.c.

◆ USBD_CDC_fops

USBD_CDC_ItfTypeDef USBD_CDC_fops
Initial value:
=
{
CDC_Itf_Init,
CDC_Itf_DeInit,
CDC_Itf_Control,
CDC_Itf_Receive
}
CDC_Itf_DeInit
static int8_t CDC_Itf_DeInit(void)
CDC_Itf_DeInit DeInitializes the CDC media low layer.
Definition: usbd_cdc_interface.c:144
CDC_Itf_Control
static int8_t CDC_Itf_Control(uint8_t cmd, uint8_t *pbuf, uint16_t length)
CDC_Itf_Control Manage the CDC class requests.
Definition: usbd_cdc_interface.c:158
CDC_Itf_Init
static int8_t CDC_Itf_Init(void)
CDC_Itf_Init Initializes the CDC media low layer.
Definition: usbd_cdc_interface.c:108
CDC_Itf_Receive
static int8_t CDC_Itf_Receive(uint8_t *pbuf, uint32_t *Len)
CDC_Itf_DataRx Data received over USB OUT endpoint are sent over CDC interface through this function...
Definition: usbd_cdc_interface.c:281

Definition at line 92 of file usbd_cdc_interface.c.

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