diff options
Diffstat (limited to 'fw/cdc-dials/Src/usbd_desc.c')
| -rw-r--r-- | fw/cdc-dials/Src/usbd_desc.c | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/fw/cdc-dials/Src/usbd_desc.c b/fw/cdc-dials/Src/usbd_desc.c new file mode 100644 index 0000000..8cd1390 --- /dev/null +++ b/fw/cdc-dials/Src/usbd_desc.c @@ -0,0 +1,265 @@ +/**
+ ******************************************************************************
+ * @file USB_Device/CDC_Standalone/Src/usbd_desc.c
+ * @author MCD Application Team
+ * @brief This file provides the USBD descriptors and string formating method.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© Copyright (c) 2016 STMicroelectronics International N.V.
+ * All rights reserved.</center></h2>
+ *
+ * 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.
+ *
+ ******************************************************************************
+ */
+
+/* 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 "Otter-Iron"
+#define USBD_PRODUCT_FS_STRING "chirp :3"
+#define USBD_CONFIGURATION_FS_STRING "mau"
+#define USBD_INTERFACE_FS_STRING ":o"
+
+/* 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 */
+const uint8_t hUSBDDeviceDesc[USB_LEN_DEV_DESC]= {
+ 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 */
+const uint8_t USBD_LangIDDesc[USB_LEN_LANGID_STR_DESC]=
+{
+ 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,
+};
+
+uint8_t USBD_StrDesc[USBD_MAX_STR_DESC_SIZ];
+
+/* 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(hUSBDDeviceDesc);
+ return (uint8_t*)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 (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)
+{
+ 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 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)
+{
+ 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)
+{
+ 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****/
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