404 lines
12 KiB
C
404 lines
12 KiB
C
/**
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**************************************************************************
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* @file printer_desc.c
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* @brief usb printer 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 "stdio.h"
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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 "printer_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_printer_desc
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* @brief usb device printer descriptor
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* @{
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*/
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/** @defgroup USB_printer_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 printer_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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0x00, /* bDeviceClass */
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0x00, /* bDeviceSubClass */
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0x00, /* bDeviceProtocol */
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USB_MAX_EP0_SIZE, /* bMaxPacketSize */
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LBYTE(USBD_PRINTER_VENDOR_ID), /* idVendor */
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HBYTE(USBD_PRINTER_VENDOR_ID), /* idVendor */
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LBYTE(USBD_PRINTER_PRODUCT_ID), /* idProduct */
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HBYTE(USBD_PRINTER_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_PRINTER_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_PRINTER_CONFIG_DESC_SIZE), /* wTotalLength: bytes returned */
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HBYTE(USBD_PRINTER_CONFIG_DESC_SIZE), /* wTotalLength: bytes returned */
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0x01, /* bNumInterfaces: 1 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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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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0x00, /* 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_PRINTER, /* bInterfaceClass: printer class code */
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0x01, /* bInterfaceSubClass: subclass code*/
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PRINTER_PROTOCOL_BI_DIRECTIONAL, /* bInterfaceProtocol: printer interface type */
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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_PRINTER_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_PRINTER_IN_MAXPACKET_SIZE),
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HBYTE(USBD_PRINTER_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_PRINTER_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_PRINTER_OUT_MAXPACKET_SIZE),
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HBYTE(USBD_PRINTER_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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};
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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_PRINTER_SIZ_STRING_LANGID] ALIGNED_TAIL =
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{
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USBD_PRINTER_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_PRINTER_SIZ_STRING_SERIAL] ALIGNED_TAIL =
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{
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USBD_PRINTER_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_PRINTER_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_PRINTER_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_PRINTER_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] = (uint8_t)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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}
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/**
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* @brief get device descriptor
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* @param none
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* @retval usbd_desc
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*/
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static usbd_desc_t *get_device_descriptor(void)
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{
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return &device_descriptor;
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}
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/**
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* @brief get device qualifier
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* @param none
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* @retval usbd_desc
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*/
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static usbd_desc_t * get_device_qualifier(void)
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{
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return NULL;
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}
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/**
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* @brief get config descriptor
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* @param none
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* @retval usbd_desc
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*/
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static usbd_desc_t *get_device_configuration(void)
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{
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return &config_descriptor;
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}
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/**
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* @brief get other speed descriptor
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* @param none
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* @retval usbd_desc
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*/
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static usbd_desc_t *get_device_other_speed(void)
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{
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return NULL;
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}
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/**
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* @brief get lang id descriptor
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* @param none
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* @retval usbd_desc
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*/
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static usbd_desc_t *get_device_lang_id(void)
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{
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return &langid_descriptor;
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}
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/**
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* @brief get manufacturer descriptor
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* @param none
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* @retval usbd_desc
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*/
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static usbd_desc_t *get_device_manufacturer_string(void)
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{
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vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_PRINTER_DESC_MANUFACTURER_STRING, g_usbd_desc_buffer);
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vp_desc.descriptor = g_usbd_desc_buffer;
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return &vp_desc;
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}
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/**
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* @brief get product descriptor
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* @param none
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* @retval usbd_desc
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*/
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static usbd_desc_t *get_device_product_string(void)
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{
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vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_PRINTER_DESC_PRODUCT_STRING, g_usbd_desc_buffer);
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vp_desc.descriptor = g_usbd_desc_buffer;
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return &vp_desc;
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}
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/**
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* @brief get serial descriptor
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* @param none
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* @retval usbd_desc
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*/
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static usbd_desc_t *get_device_serial_string(void)
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{
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get_serial_num();
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return &serial_descriptor;
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}
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/**
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* @brief get interface descriptor
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* @param none
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* @retval usbd_desc
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*/
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static usbd_desc_t *get_device_interface_string(void)
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{
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vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_PRINTER_DESC_INTERFACE_STRING, g_usbd_desc_buffer);
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vp_desc.descriptor = g_usbd_desc_buffer;
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return &vp_desc;
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}
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/**
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* @brief get device config descriptor
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* @param none
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* @retval usbd_desc
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*/
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static usbd_desc_t *get_device_config_string(void)
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{
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vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_PRINTER_DESC_CONFIGURATION_STRING, g_usbd_desc_buffer);
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vp_desc.descriptor = g_usbd_desc_buffer;
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return &vp_desc;
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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