circuitpython/stmhal/usbd_desc_cdc_msc.c

229 lines
8.4 KiB
C

/**
******************************************************************************
* @file USB_Device/CDC_Standalone/Src/usbd_desc.c
* @author MCD Application Team
* @version V1.0.1
* @date 26-February-2014
* @brief This file provides the USBD descriptors and string formating method.
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT(c) 2014 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 "usbd_core.h"
#include "usbd_desc.h"
#include "usbd_conf.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define USBD_VID 0x0483
#define USBD_PID 0x5740
#define USBD_LANGID_STRING 0x409
#define USBD_MANUFACTURER_STRING "STMicroelectronics"
#define USBD_PRODUCT_HS_STRING "STM32 Virtual ComPort in HS Mode"
#define USBD_SERIALNUMBER_HS_STRING "00000000001A"
#define USBD_PRODUCT_FS_STRING "STM32 Virtual ComPort in FS Mode"
#define USBD_SERIALNUMBER_FS_STRING "00000000001B"
#define USBD_CONFIGURATION_HS_STRING "VCP Config"
#define USBD_INTERFACE_HS_STRING "VCP Interface"
#define USBD_CONFIGURATION_FS_STRING "VCP Config"
#define USBD_INTERFACE_FS_STRING "VCP Interface"
/* Private macro -------------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
uint8_t *USBD_VCP_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_VCP_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_VCP_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_VCP_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_VCP_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_VCP_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
uint8_t *USBD_VCP_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
#ifdef USB_SUPPORT_USER_STRING_DESC
uint8_t *USBD_VCP_USRStringDesc (USBD_SpeedTypeDef speed, uint8_t idx, uint16_t *length);
#endif /* USB_SUPPORT_USER_STRING_DESC */
/* Private variables ---------------------------------------------------------*/
const USBD_DescriptorsTypeDef VCP_Desc = {
USBD_VCP_DeviceDescriptor,
USBD_VCP_LangIDStrDescriptor,
USBD_VCP_ManufacturerStrDescriptor,
USBD_VCP_ProductStrDescriptor,
USBD_VCP_SerialStrDescriptor,
USBD_VCP_ConfigStrDescriptor,
USBD_VCP_InterfaceStrDescriptor,
};
/* USB Standard Device Descriptor */
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma data_alignment=4
#endif
__ALIGN_BEGIN static uint8_t hUSBDDeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END = {
0x12, /* bLength */
USB_DESC_TYPE_DEVICE, /* bDescriptorType */
0x00, /* bcdUSB */
0x02,
0x00, /* bDeviceClass */
0x00, /* bDeviceSubClass */
0x00, /* bDeviceProtocol */
USB_MAX_EP0_SIZE, /* bMaxPacketSize */
LOBYTE(USBD_VID), /* idVendor */
HIBYTE(USBD_VID), /* idVendor */
LOBYTE(USBD_PID), /* idVendor */
HIBYTE(USBD_PID), /* idVendor */
0x00, /* bcdDevice rel. 2.00 */
0x02,
USBD_IDX_MFC_STR, /* Index of manufacturer string */
USBD_IDX_PRODUCT_STR, /* Index of product string */
USBD_IDX_SERIAL_STR, /* Index of serial number string */
USBD_MAX_NUM_CONFIGURATION /* bNumConfigurations */
}; /* USB_DeviceDescriptor */
/* USB Standard Device Descriptor */
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma data_alignment=4
#endif
__ALIGN_BEGIN static uint8_t USBD_LangIDDesc[USB_LEN_LANGID_STR_DESC] __ALIGN_END = {
USB_LEN_LANGID_STR_DESC,
USB_DESC_TYPE_STRING,
LOBYTE(USBD_LANGID_STRING),
HIBYTE(USBD_LANGID_STRING),
};
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma data_alignment=4
#endif
__ALIGN_BEGIN static uint8_t USBD_StrDesc[USBD_MAX_STR_DESC_SIZ] __ALIGN_END;
/* Private functions ---------------------------------------------------------*/
/**
* @brief Returns the device descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t *USBD_VCP_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
*length = sizeof(hUSBDDeviceDesc);
return hUSBDDeviceDesc;
}
/**
* @brief Returns the LangID string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t *USBD_VCP_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
*length = sizeof(USBD_LangIDDesc);
return USBD_LangIDDesc;
}
/**
* @brief Returns the product string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t *USBD_VCP_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
if(speed == 0)
{
USBD_GetString((uint8_t *)USBD_PRODUCT_HS_STRING, USBD_StrDesc, length);
}
else
{
USBD_GetString((uint8_t *)USBD_PRODUCT_FS_STRING, USBD_StrDesc, length);
}
return USBD_StrDesc;
}
/**
* @brief Returns the manufacturer string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t *USBD_VCP_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
USBD_GetString((uint8_t *)USBD_MANUFACTURER_STRING, USBD_StrDesc, length);
return USBD_StrDesc;
}
/**
* @brief Returns the serial number string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t *USBD_VCP_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
if(speed == USBD_SPEED_HIGH)
{
USBD_GetString((uint8_t *)USBD_SERIALNUMBER_HS_STRING, USBD_StrDesc, length);
}
else
{
USBD_GetString((uint8_t *)USBD_SERIALNUMBER_FS_STRING, USBD_StrDesc, length);
}
return USBD_StrDesc;
}
/**
* @brief Returns the configuration string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t *USBD_VCP_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
if(speed == USBD_SPEED_HIGH)
{
USBD_GetString((uint8_t *)USBD_CONFIGURATION_HS_STRING, USBD_StrDesc, length);
}
else
{
USBD_GetString((uint8_t *)USBD_CONFIGURATION_FS_STRING, USBD_StrDesc, length);
}
return USBD_StrDesc;
}
/**
* @brief Returns the interface string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
uint8_t *USBD_VCP_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
{
if(speed == 0)
{
USBD_GetString((uint8_t *)USBD_INTERFACE_HS_STRING, USBD_StrDesc, length);
}
else
{
USBD_GetString((uint8_t *)USBD_INTERFACE_FS_STRING, USBD_StrDesc, length);
}
return USBD_StrDesc;
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/