STSW-STLKT01: Projects/SensorTile/Applications/DataLog/Src/usbd_desc.c Source File

STSW-STLKT01

 
 /* 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_FS_STRING "STM32 Virtual ComPort in FS Mode"
 #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__ ) 
  #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__ ) 
  #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__ ) 
  #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);
 
 uint8_t *USBD_VCP_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
 {
  *length = sizeof(USBD_DeviceDesc);
  return (uint8_t*)USBD_DeviceDesc;
 }
 
 uint8_t *USBD_VCP_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
 {
  *length = sizeof(USBD_LangIDDesc); 
  return (uint8_t*)USBD_LangIDDesc;
 }
 
 uint8_t *USBD_VCP_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
 { 
  USBD_GetString((uint8_t *)USBD_PRODUCT_FS_STRING, USBD_StrDesc, length);
  return USBD_StrDesc;
 }
 
 uint8_t *USBD_VCP_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
 {
  USBD_GetString((uint8_t *)USBD_MANUFACTURER_STRING, USBD_StrDesc, length);
  return USBD_StrDesc;
 }
 
 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;
 }
 
 uint8_t *USBD_VCP_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
 { 
  USBD_GetString((uint8_t *)USBD_CONFIGURATION_FS_STRING, USBD_StrDesc, length);
  return USBD_StrDesc; 
 }
 
 uint8_t *USBD_VCP_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
 {
  USBD_GetString((uint8_t *)USBD_INTERFACE_FS_STRING, USBD_StrDesc, length);
  return USBD_StrDesc; 
 }
 
 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);
  }
 }
 
 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****/
 
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