549 lines
21 KiB
C
549 lines
21 KiB
C
/**
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**************************************************************************
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* @file cdc_keyboard_desc.c
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* @brief usb cdc and keyboard device descriptor
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**************************************************************************
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* Copyright notice & Disclaimer
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*
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* The software Board Support Package (BSP) that is made available to
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* download from Artery official website is the copyrighted work of Artery.
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* Artery authorizes customers to use, copy, and distribute the BSP
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* software and its related documentation for the purpose of design and
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* development in conjunction with Artery microcontrollers. Use of the
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* software is governed by this copyright notice and the following disclaimer.
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*
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* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
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* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
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* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
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* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
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* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
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*
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**************************************************************************
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*/
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#include "usb_std.h"
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#include "usbd_sdr.h"
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#include "usbd_core.h"
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#include "cdc_keyboard_desc.h"
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/** @addtogroup AT32F435_437_middlewares_usbd_class
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* @{
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*/
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/** @defgroup USB_cdc_keyboard_desc
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* @brief usb device cdc keyboard descriptor
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* @{
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*/
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/** @defgroup USB_cdc_keyboard_desc_private_functions
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* @{
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*/
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static usbd_desc_t *get_device_descriptor(void);
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static usbd_desc_t *get_device_qualifier(void);
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static usbd_desc_t *get_device_configuration(void);
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static usbd_desc_t *get_device_other_speed(void);
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static usbd_desc_t *get_device_lang_id(void);
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static usbd_desc_t *get_device_manufacturer_string(void);
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static usbd_desc_t *get_device_product_string(void);
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static usbd_desc_t *get_device_serial_string(void);
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static usbd_desc_t *get_device_interface_string(void);
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static usbd_desc_t *get_device_config_string(void);
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static uint16_t usbd_unicode_convert(uint8_t *string, uint8_t *unicode_buf);
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static void usbd_int_to_unicode (uint32_t value , uint8_t *pbuf , uint8_t len);
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static void get_serial_num(void);
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static uint8_t g_usbd_desc_buffer[256];
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/**
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* @brief device descriptor handler structure
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*/
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usbd_desc_handler cdc_keyboard_desc_handler =
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{
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get_device_descriptor,
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get_device_qualifier,
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get_device_configuration,
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get_device_other_speed,
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get_device_lang_id,
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get_device_manufacturer_string,
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get_device_product_string,
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get_device_serial_string,
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get_device_interface_string,
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get_device_config_string,
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};
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/**
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* @brief usb device standard descriptor
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*/
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#if defined ( __ICCARM__ ) /* iar compiler */
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#pragma data_alignment=4
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#endif
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ALIGNED_HEAD static uint8_t g_usbd_descriptor[USB_DEVICE_DESC_LEN] ALIGNED_TAIL =
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{
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USB_DEVICE_DESC_LEN, /* bLength */
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USB_DESCIPTOR_TYPE_DEVICE, /* bDescriptorType */
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0x00, /* bcdUSB */
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0x02,
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0xEF, /* bDeviceClass */
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0x02, /* bDeviceSubClass */
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0x01, /* bDeviceProtocol */
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USB_MAX_EP0_SIZE, /* bMaxPacketSize */
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LBYTE(USBD_VCPKYBRD_VENDOR_ID), /* idVendor */
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HBYTE(USBD_VCPKYBRD_VENDOR_ID), /* idVendor */
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LBYTE(USBD_VCPKYBRD_PRODUCT_ID), /* idProduct */
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HBYTE(USBD_VCPKYBRD_PRODUCT_ID), /* idProduct */
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0x00, /* bcdDevice rel. 2.00 */
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0x02,
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USB_MFC_STRING, /* Index of manufacturer string */
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USB_PRODUCT_STRING, /* Index of product string */
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USB_SERIAL_STRING, /* Index of serial number string */
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1 /* bNumConfigurations */
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};
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/**
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* @brief usb configuration standard descriptor
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*/
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#if defined ( __ICCARM__ ) /* iar compiler */
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#pragma data_alignment=4
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#endif
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ALIGNED_HEAD static uint8_t g_usbd_configuration[USBD_VCPKYBRD_CONFIG_DESC_SIZE] ALIGNED_TAIL =
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{
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USB_DEVICE_CFG_DESC_LEN, /* bLength: configuration descriptor size */
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USB_DESCIPTOR_TYPE_CONFIGURATION, /* bDescriptorType: configuration */
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LBYTE(USBD_VCPKYBRD_CONFIG_DESC_SIZE), /* wTotalLength: bytes returned */
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HBYTE(USBD_VCPKYBRD_CONFIG_DESC_SIZE), /* wTotalLength: bytes returned */
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0x03, /* bNumInterfaces: 2 interface */
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0x01, /* bConfigurationValue: configuration value */
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0x00, /* iConfiguration: index of string descriptor describing
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the configuration */
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0xC0, /* bmAttributes: self powered */
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0x32, /* MaxPower 100 mA: this current is used for detecting vbus */
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0x08, /* bLength */
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0x0B, /* bDescriptorType */
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0x00, /* bFirstInterface */
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0x02, /* bInterfaceCount */
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0x02, /* bFunctionClass */
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0x02, /* bFunctionSubClass */
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0x01, /* bFunctionProtocol */
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0x00, /* iFunction (Index of string descriptor describing this function) */
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USB_DEVICE_IF_DESC_LEN, /* bLength: interface descriptor size */
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USB_DESCIPTOR_TYPE_INTERFACE, /* bDescriptorType: interface descriptor type */
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VCPKYBRD_CDC_INTERFACE, /* bInterfaceNumber: number of interface */
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0x00, /* bAlternateSetting: alternate set */
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0x01, /* bNumEndpoints: number of endpoints */
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USB_CLASS_CODE_CDC, /* bInterfaceClass: CDC class code */
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0x02, /* bInterfaceSubClass: subclass code, Abstract Control Model*/
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0x01, /* bInterfaceProtocol: protocol code, AT Command */
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0x00, /* iInterface: index of string descriptor */
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0x05, /* bFunctionLength: size of this descriptor in bytes */
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USBD_CDC_CS_INTERFACE, /* bDescriptorType: CDC interface descriptor type */
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USBD_CDC_SUBTYPE_HEADER, /* bDescriptorSubtype: Header function Descriptor 0x00*/
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LBYTE(VCPKYBRD_BCD_NUM),
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HBYTE(VCPKYBRD_BCD_NUM), /* bcdCDC: USB class definitions for communications */
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0x05, /* bFunctionLength: size of this descriptor in bytes */
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USBD_CDC_CS_INTERFACE, /* bDescriptorType: CDC interface descriptor type */
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USBD_CDC_SUBTYPE_CMF, /* bDescriptorSubtype: Call Management function descriptor subtype 0x01 */
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0x00, /* bmCapabilities: 0x00*/
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0x01, /* bDataInterface: interface number of data class interface optionally used for call management */
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0x04, /* bFunctionLength: size of this descriptor in bytes */
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USBD_CDC_CS_INTERFACE, /* bDescriptorType: CDC interface descriptor type */
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USBD_CDC_SUBTYPE_ACM, /* bDescriptorSubtype: Abstract Control Management functional descriptor subtype 0x02 */
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0x02, /* bmCapabilities: Support Set_Line_Coding and Get_Line_Coding 0x02 */
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0x05, /* bFunctionLength: size of this descriptor in bytes */
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USBD_CDC_CS_INTERFACE, /* bDescriptorType: CDC interface descriptor type */
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USBD_CDC_SUBTYPE_UFD, /* bDescriptorSubtype: Union Function Descriptor subtype 0x06 */
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0x00, /* bControlInterface: The interface number of the communications or data class interface 0x00 */
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0x01, /* bSubordinateInterface0: interface number of first subordinate interface in the union */
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USB_DEVICE_EPT_LEN, /* bLength: size of endpoint descriptor in bytes */
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USB_DESCIPTOR_TYPE_ENDPOINT, /* bDescriptorType: endpoint descriptor type */
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USBD_VCPKYBRD_CDC_INT_EPT, /* bEndpointAddress: the address of endpoint on usb device described by this descriptor */
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USB_EPT_DESC_INTERRUPT, /* bmAttributes: endpoint attributes */
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LBYTE(USBD_VCPKYBRD_CMD_MAXPACKET_SIZE),
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HBYTE(USBD_VCPKYBRD_CMD_MAXPACKET_SIZE), /* wMaxPacketSize: maximum packe size this endpoint */
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VCPKYBRD_HID_BINTERVAL_TIME, /* bInterval: interval for polling endpoint for data transfers */
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USB_DEVICE_IF_DESC_LEN, /* bLength: interface descriptor size */
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USB_DESCIPTOR_TYPE_INTERFACE, /* bDescriptorType: interface descriptor type */
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VCPKYBRD_CDC_DATA_INTERFACE, /* bInterfaceNumber: number of interface */
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0x00, /* bAlternateSetting: alternate set */
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0x02, /* bNumEndpoints: number of endpoints */
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USB_CLASS_CODE_CDCDATA, /* bInterfaceClass: CDC-data class code */
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0x00, /* bInterfaceSubClass: Data interface subclass code 0x00*/
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0x00, /* bInterfaceProtocol: data class protocol code 0x00 */
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0x00, /* iInterface: index of string descriptor */
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USB_DEVICE_EPT_LEN, /* bLength: size of endpoint descriptor in bytes */
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USB_DESCIPTOR_TYPE_ENDPOINT, /* bDescriptorType: endpoint descriptor type */
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USBD_VCPKYBRD_CDC_BULK_IN_EPT, /* bEndpointAddress: the address of endpoint on usb device described by this descriptor */
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USB_EPT_DESC_BULK, /* bmAttributes: endpoint attributes */
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LBYTE(USBD_VCPKYBRD_IN_MAXPACKET_SIZE),
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HBYTE(USBD_VCPKYBRD_IN_MAXPACKET_SIZE), /* wMaxPacketSize: maximum packe size this endpoint */
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0x00, /* bInterval: interval for polling endpoint for data transfers */
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USB_DEVICE_EPT_LEN, /* bLength: size of endpoint descriptor in bytes */
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USB_DESCIPTOR_TYPE_ENDPOINT, /* bDescriptorType: endpoint descriptor type */
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USBD_VCPKYBRD_CDC_BULK_OUT_EPT, /* bEndpointAddress: the address of endpoint on usb device described by this descriptor */
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USB_EPT_DESC_BULK, /* bmAttributes: endpoint attributes */
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LBYTE(USBD_VCPKYBRD_OUT_MAXPACKET_SIZE),
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HBYTE(USBD_VCPKYBRD_OUT_MAXPACKET_SIZE),/* wMaxPacketSize: maximum packe size this endpoint */
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0x00, /* bInterval: interval for polling endpoint for data transfers */
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0x08, /* bLength */
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0x0B, /* bDescriptorType */
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0x02, /* bFirstInterface */
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0x01, /* bInterfaceCount */
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0x03, /* bFunctionClass */
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0x00, /* bFunctionSubClass */
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0x01, /* bFunctionProtocol */
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0x00, /* iFunction (Index of string descriptor describing this function) */
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USB_DEVICE_IF_DESC_LEN, /* bLength: interface descriptor size */
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USB_DESCIPTOR_TYPE_INTERFACE, /* bDescriptorType: interface descriptor type */
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VCPKYBRD_KEYBOARD_INTERFACE, /* bInterfaceNumber: number of interface */
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0x00, /* bAlternateSetting: alternate set */
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0x01, /* bNumEndpoints: number of endpoints */
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USB_CLASS_CODE_HID, /* bInterfaceClass: class code hid */
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0x01, /* bInterfaceSubClass: subclass code */
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0x01, /* bInterfaceProtocol: protocol code */
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0x00, /* iInterface: index of string descriptor */
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0x09, /* bLength: size of HID descriptor in bytes */
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HID_CLASS_DESC_HID, /* bDescriptorType: HID descriptor type */
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LBYTE(VCPKYBRD_BCD_NUM),
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HBYTE(VCPKYBRD_BCD_NUM), /* bcdHID: HID class specification release number */
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0x00, /* bCountryCode: hardware target conutry */
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0x01, /* bNumDescriptors: number of HID class descriptor to follow */
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HID_CLASS_DESC_REPORT, /* bDescriptorType: report descriptor type */
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LBYTE(sizeof(g_usbd_vcpkybrd_hid_report)),
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HBYTE(sizeof(g_usbd_vcpkybrd_hid_report)), /* wDescriptorLength: total length of reprot descriptor */
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USB_DEVICE_EPT_LEN, /* bLength: size of endpoint descriptor in bytes */
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USB_DESCIPTOR_TYPE_ENDPOINT, /* bDescriptorType: endpoint descriptor type */
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USBD_VCPKYBRD_HID_IN_EPT, /* bEndpointAddress: the address of endpoint on usb device described by this descriptor */
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USB_EPT_DESC_INTERRUPT, /* bmAttributes: endpoint attributes */
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LBYTE(USBD_VCPKYBRD_IN_MAXPACKET_SIZE),
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HBYTE(USBD_VCPKYBRD_IN_MAXPACKET_SIZE),/* wMaxPacketSize: maximum packe size this endpoint */
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VCPKYBRD_HID_BINTERVAL_TIME, /* bInterval: interval for polling endpoint for data transfers */
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};
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/**
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* @brief usb hid descriptor
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*/
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#if defined ( __ICCARM__ ) /* iar compiler */
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#pragma data_alignment=4
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#endif
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ALIGNED_HEAD uint8_t g_vcpkybrd_hid_usb_desc[9] ALIGNED_TAIL =
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{
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0x09, /* bLength: size of HID descriptor in bytes */
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HID_CLASS_DESC_HID, /* bDescriptorType: HID descriptor type */
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LBYTE(VCPKYBRD_BCD_NUM),
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HBYTE(VCPKYBRD_BCD_NUM), /* bcdHID: HID class specification release number */
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0x00, /* bCountryCode: hardware target conutry */
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0x01, /* bNumDescriptors: number of HID class descriptor to follow */
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HID_CLASS_DESC_REPORT, /* bDescriptorType: report descriptor type */
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LBYTE(sizeof(g_usbd_vcpkybrd_hid_report)),
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HBYTE(sizeof(g_usbd_vcpkybrd_hid_report)), /* wDescriptorLength: total length of reprot descriptor */
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};
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/**
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* @brief usb hid keyboard report descriptor
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*/
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#if defined ( __ICCARM__ ) /* iar compiler */
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#pragma data_alignment=4
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#endif
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ALIGNED_HEAD uint8_t g_usbd_vcpkybrd_hid_report[USBD_VCPKYBRD_HID_SIZ_REPORT_DESC] ALIGNED_TAIL =
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{
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0x05, 0x01, // USAGE_PAGE (Generic Desktop)
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0x09, 0x06, // USAGE (Keyboard)
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0xa1, 0x01, // COLLECTION (Application)
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0x05, 0x07, // USAGE_PAGE (Keyboard)
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0x19, 0xe0, // USAGE_MINIMUM (Keyboard LeftControl)
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0x29, 0xe7, // USAGE_MAXIMUM (Keyboard Right GUI)
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0x15, 0x00, // LOGICAL_MINIMUM (0)
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0x25, 0x01, // LOGICAL_MAXIMUM (1)
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0x75, 0x01, // REPORT_SIZE (1)
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0x95, 0x08, // REPORT_COUNT (8)
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0x81, 0x02, // INPUT (Data,Var,Abs)
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0x95, 0x01, // REPORT_COUNT (1)
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0x75, 0x08, // REPORT_SIZE (8)
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0x81, 0x03, // INPUT (Cnst,Var,Abs)
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0x95, 0x05, // REPORT_COUNT (5)
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0x75, 0x01, // REPORT_SIZE (1)
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0x05, 0x08, // USAGE_PAGE (LEDs)
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0x19, 0x01, // USAGE_MINIMUM (Num Lock)
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0x29, 0x05, // USAGE_MAXIMUM (Kana)
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0x91, 0x02, // OUTPUT (Data,Var,Abs)
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0x95, 0x01, // REPORT_COUNT (1)
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0x75, 0x03, // REPORT_SIZE (3)
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0x91, 0x03, // OUTPUT (Cnst,Var,Abs)
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0x95, 0x06, // REPORT_COUNT (6)
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0x75, 0x08, // REPORT_SIZE (8)
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0x15, 0x00, // LOGICAL_MINIMUM (0)
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0x25, 0xFF, // LOGICAL_MAXIMUM (255)
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0x05, 0x07, // USAGE_PAGE (Keyboard)
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0x19, 0x00, // USAGE_MINIMUM (Reserved (no event indicated))
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0x29, 0x65, // USAGE_MAXIMUM (Keyboard Application)
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0x81, 0x00, // INPUT (Data,Ary,Abs)
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0xc0 // END_COLLECTION
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};
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/**
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* @brief usb string lang id
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*/
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#if defined ( __ICCARM__ ) /* iar compiler */
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#pragma data_alignment=4
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#endif
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ALIGNED_HEAD static uint8_t g_string_lang_id[USBD_VCPKYBRD_SIZ_STRING_LANGID] ALIGNED_TAIL =
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{
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USBD_VCPKYBRD_SIZ_STRING_LANGID,
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USB_DESCIPTOR_TYPE_STRING,
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0x09,
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0x04,
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};
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/**
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* @brief usb string serial
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*/
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#if defined ( __ICCARM__ ) /* iar compiler */
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#pragma data_alignment=4
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#endif
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ALIGNED_HEAD static uint8_t g_string_serial[USBD_VCPKYBRD_SIZ_STRING_SERIAL] ALIGNED_TAIL =
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{
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USBD_VCPKYBRD_SIZ_STRING_SERIAL,
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USB_DESCIPTOR_TYPE_STRING,
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};
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/* device descriptor */
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static usbd_desc_t device_descriptor =
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{
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USB_DEVICE_DESC_LEN,
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g_usbd_descriptor
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};
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/* config descriptor */
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static usbd_desc_t config_descriptor =
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{
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USBD_VCPKYBRD_CONFIG_DESC_SIZE,
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g_usbd_configuration
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};
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/* langid descriptor */
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static usbd_desc_t langid_descriptor =
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{
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USBD_VCPKYBRD_SIZ_STRING_LANGID,
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g_string_lang_id
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};
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/* serial descriptor */
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static usbd_desc_t serial_descriptor =
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{
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USBD_VCPKYBRD_SIZ_STRING_SERIAL,
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g_string_serial
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};
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static usbd_desc_t vp_desc;
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/**
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* @brief standard usb unicode convert
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* @param string: source string
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* @param unicode_buf: unicode buffer
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* @retval length
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*/
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static uint16_t usbd_unicode_convert(uint8_t *string, uint8_t *unicode_buf)
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{
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uint16_t str_len = 0, id_pos = 2;
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uint8_t *tmp_str = string;
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while(*tmp_str != '\0')
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{
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str_len ++;
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unicode_buf[id_pos ++] = *tmp_str ++;
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unicode_buf[id_pos ++] = 0x00;
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}
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str_len = str_len * 2 + 2;
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unicode_buf[0] = str_len;
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unicode_buf[1] = USB_DESCIPTOR_TYPE_STRING;
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return str_len;
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}
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/**
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* @brief usb int convert to unicode
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* @param value: int value
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* @param pbus: unicode buffer
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* @param len: length
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* @retval none
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*/
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static void usbd_int_to_unicode (uint32_t value , uint8_t *pbuf , uint8_t len)
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{
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uint8_t idx = 0;
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for( idx = 0 ; idx < len ; idx ++)
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{
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if( ((value >> 28)) < 0xA )
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{
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pbuf[ 2 * idx] = (value >> 28) + '0';
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}
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else
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{
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pbuf[2 * idx] = (value >> 28) + 'A' - 10;
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}
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value = value << 4;
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pbuf[2 * idx + 1] = 0;
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}
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}
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/**
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* @brief usb get serial number
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* @param none
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* @retval none
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*/
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static void get_serial_num(void)
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{
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uint32_t serial0, serial1, serial2;
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serial0 = *(uint32_t*)MCU_ID1;
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serial1 = *(uint32_t*)MCU_ID2;
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serial2 = *(uint32_t*)MCU_ID3;
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serial0 += serial2;
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if (serial0 != 0)
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{
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usbd_int_to_unicode (serial0, &g_string_serial[2] ,8);
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usbd_int_to_unicode (serial1, &g_string_serial[18] ,4);
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}
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}
|
|
|
|
/**
|
|
* @brief get device descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_descriptor(void)
|
|
{
|
|
return &device_descriptor;
|
|
}
|
|
|
|
/**
|
|
* @brief get device qualifier
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t * get_device_qualifier(void)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @brief get config descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_configuration(void)
|
|
{
|
|
return &config_descriptor;
|
|
}
|
|
|
|
/**
|
|
* @brief get other speed descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_other_speed(void)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @brief get lang id descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_lang_id(void)
|
|
{
|
|
return &langid_descriptor;
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief get manufacturer descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_manufacturer_string(void)
|
|
{
|
|
vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_VCPKYBRD_DESC_MANUFACTURER_STRING, g_usbd_desc_buffer);
|
|
vp_desc.descriptor = g_usbd_desc_buffer;
|
|
return &vp_desc;
|
|
}
|
|
|
|
/**
|
|
* @brief get product descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_product_string(void)
|
|
{
|
|
vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_VCPKYBRD_DESC_PRODUCT_STRING, g_usbd_desc_buffer);
|
|
vp_desc.descriptor = g_usbd_desc_buffer;
|
|
return &vp_desc;
|
|
}
|
|
|
|
/**
|
|
* @brief get serial descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_serial_string(void)
|
|
{
|
|
get_serial_num();
|
|
return &serial_descriptor;
|
|
}
|
|
|
|
/**
|
|
* @brief get interface descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_interface_string(void)
|
|
{
|
|
vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_VCPKYBRD_DESC_INTERFACE_STRING, g_usbd_desc_buffer);
|
|
vp_desc.descriptor = g_usbd_desc_buffer;
|
|
return &vp_desc;
|
|
}
|
|
|
|
/**
|
|
* @brief get device config descriptor
|
|
* @param none
|
|
* @retval usbd_desc
|
|
*/
|
|
static usbd_desc_t *get_device_config_string(void)
|
|
{
|
|
vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_VCPKYBRD_DESC_CONFIGURATION_STRING, g_usbd_desc_buffer);
|
|
vp_desc.descriptor = g_usbd_desc_buffer;
|
|
return &vp_desc;
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|