Diff: usbd_desc.c

Revision:

1:3a73d77c2cef

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbd_desc.c	Thu Jun 29 20:11:00 2017 +0000
@@ -0,0 +1,279 @@
+/**
+  ******************************************************************************
+  * @file    umart_lite_plus_teste/src/usbd_desc.c
+  * @author  MCD Application Team
+  * @version V1.2.0
+  * @date    26-December-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_PRODUCT_FS_STRING        "STM32 Virtual ComPort in FS Mode"
+#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 ---------------------------------------------------------*/
+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 uint8_t USBD_DeviceDesc[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 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),
+};
+
+uint8_t USBD_StringSerial[USB_SIZ_STRING_SERIAL] =
+{
+  USB_SIZ_STRING_SERIAL,
+  USB_DESC_TYPE_STRING,
+};
+
+#if defined ( __ICCARM__ ) /*!< IAR Compiler */
+  #pragma data_alignment=4
+#endif
+__ALIGN_BEGIN uint8_t USBD_StrDesc[USBD_MAX_STR_DESC_SIZ] __ALIGN_END;
+
+/* Private functions ---------------------------------------------------------*/
+static void IntToUnicode (uint32_t value , uint8_t *pbuf , uint8_t len);
+static void Get_SerialNum(void);
+
+/**
+  * @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(USBD_DeviceDesc);
+  return (uint8_t*)USBD_DeviceDesc;
+}
+
+/**
+  * @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 (uint8_t*)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)
+{
+  *length = USB_SIZ_STRING_SERIAL;
+
+  /* Update the serial number string descriptor with the data from the unique ID*/
+  Get_SerialNum();
+
+  return (uint8_t*)USBD_StringSerial;
+}
+
+/**
+  * @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;
+}
+
+/**
+  * @brief  Create the serial number string descriptor
+  * @param  None
+  * @retval None
+  */
+static void Get_SerialNum(void)
+{
+  uint32_t deviceserial0, deviceserial1, deviceserial2;
+
+  deviceserial0 = *(uint32_t*)DEVICE_ID1;
+  deviceserial1 = *(uint32_t*)DEVICE_ID2;
+  deviceserial2 = *(uint32_t*)DEVICE_ID3;
+
+  deviceserial0 += deviceserial2;
+
+  if (deviceserial0 != 0)
+  {
+    IntToUnicode (deviceserial0, &USBD_StringSerial[2] ,8);
+    IntToUnicode (deviceserial1, &USBD_StringSerial[18] ,4);
+  }
+}
+
+/**
+  * @brief  Convert Hex 32Bits value into char
+  * @param  value: value to convert
+  * @param  pbuf: pointer to the buffer
+  * @param  len: buffer length
+  * @retval None
+  */
+static void IntToUnicode (uint32_t value , uint8_t *pbuf , uint8_t len)
+{
+  uint8_t idx = 0;
+
+  for( idx = 0; idx < len; idx ++)
+  {
+    if( ((value >> 28)) < 0xA )
+    {
+      pbuf[ 2* idx] = (value >> 28) + '0';
+    }
+    else
+    {
+      pbuf[2* idx] = (value >> 28) + 'A' - 10;
+    }
+
+    value = value << 4;
+
+    pbuf[ 2* idx + 1] = 0;
+  }
+}
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/