130 lines
4.2 KiB
C
130 lines
4.2 KiB
C
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/***************************************************************************
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*
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* Copyright(c) 2015,2016 Intel Corporation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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***************************************************************************/
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/**
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* @file
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* @brief CDC ACM device class driver header file
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*
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* Header file for USB CDC ACM device class driver
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*/
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#ifndef __CDC_ACM_H__
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#define __CDC_ACM_H__
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/* Data structure for GET_LINE_CODING / SET_LINE_CODING class requests */
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struct cdc_acm_line_coding {
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uint32_t dwDTERate;
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uint8_t bCharFormat;
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uint8_t bParityType;
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uint8_t bDataBits;
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} __packed;
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struct cdc_acm_notification {
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uint8_t bmRequestType;
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uint8_t bNotificationType;
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uint16_t wValue;
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uint16_t wIndex;
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uint16_t wLength;
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uint16_t data;
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} __packed;
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/* Intel vendor ID */
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#define CDC_VENDOR_ID 0x8086
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/* Product Id, random value */
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#define CDC_PRODUCT_ID 0xF8A1
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/* Max packet size for Bulk endpoints */
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#define CDC_BULK_EP_MPS 64
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/* Max packet size for Interrupt endpoints */
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#define CDC_INTERRUPT_EP_MPS 16
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/* Max CDC ACM class request max data size */
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#define CDC_CLASS_REQ_MAX_DATA_SIZE 8
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/* Number of configurations for the USB Device */
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#define CDC_NUM_CONF 0x01
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/* Number of interfaces in the configuration */
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#define CDC_NUM_ITF 0x02
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/* Number of Endpoints in the first interface */
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#define CDC1_NUM_EP 0x01
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/* Number of Endpoints in the second interface */
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#define CDC2_NUM_EP 0x02
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#define CDC_ENDP_INT 0x81
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#define CDC_ENDP_OUT 0x03
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#define CDC_ENDP_IN 0x84
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/* Decriptor size in bytes */
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#define USB_HFUNC_DESC_SIZE 5 /* Header Functional Descriptor */
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#define USB_CMFUNC_DESC_SIZE 5 /* Call Management Functional Descriptor */
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#define USB_ACMFUNC_DESC_SIZE 4 /* ACM Functional Descriptor */
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#define USB_UFUNC_DESC_SIZE 5 /* Union Functional Descriptor */
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/* Descriptor type */
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#define CS_INTERFACE 0x24
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#define CS_ENDPOINT 0x25
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/* Descriptor subtype */
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#define USB_HFUNC_SUBDESC 0x00
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#define USB_CMFUNC_SUBDESC 0x01
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#define USB_ACMFUNC_SUBDESC 0x02
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#define USB_UFUNC_SUBDESC 0x06
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/* Class specific request */
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#define CDC_SET_LINE_CODING 0x20
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#define CDC_GET_LINE_CODING 0x21
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#define CDC_SET_CONTROL_LINE_STATE 0x22
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/* Control line state signal bitmap */
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#define CDC_CONTROL_LINE_STATE_DTR 0x1
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#define CDC_CONTROL_LINE_STATE_RTS 0x2
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/* Serial state notification bitmap*/
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#define CDC_CONTROL_SERIAL_STATE_DCD 0x1
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#define CDC_CONTROL_SERIAL_STATE_DSR 0x2
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/* Serial state notification timeout */
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#define CDC_CONTROL_SERIAL_STATE_TIMEOUT_US 100000
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/* Size in bytes of the configuration sent to
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* the Host on GetConfiguration() request
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* For Communication Device: CONF + (2 x ITF) +
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* (3 x EP) + HF + CMF + ACMF + UF -> 67 bytes
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*/
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#define CDC_CONF_SIZE (USB_CONFIGURATION_DESC_SIZE + \
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(2 * USB_INTERFACE_DESC_SIZE) + (3 * USB_ENDPOINT_DESC_SIZE) + 19)
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#endif /* __CDC_ACM_H__ */
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