usb_cdc.h

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/* usb_cdc.h - USB CDC-ACM and CDC-ECM public header */
 
/*
 * Copyright (c) 2017 PHYTEC Messtechnik GmbH
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
 
#ifndef ZEPHYR_INCLUDE_USB_CLASS_USB_CDC_H_
#define ZEPHYR_INCLUDE_USB_CLASS_USB_CDC_H_
 
#define CDC_SRN_1_20                    0x0120
 
#define ACM_SUBCLASS                    0x02
#define ECM_SUBCLASS                    0x06
#define EEM_SUBCLASS                    0x0c
 
#define AT_CMD_V250_PROTOCOL            0x01
#define EEM_PROTOCOL                    0x07
#define ACM_VENDOR_PROTOCOL             0xFF
 
#define DATA_INTERFACE_CLASS            0x0A
 
#define HEADER_FUNC_DESC                0x00
#define CALL_MANAGEMENT_FUNC_DESC       0x01
#define ACM_FUNC_DESC                   0x02
#define UNION_FUNC_DESC                 0x06
#define ETHERNET_FUNC_DESC              0x0F
 
#define CDC_SEND_ENC_CMD                0x00
#define CDC_GET_ENC_RSP                 0x01
#define SET_LINE_CODING                 0x20
#define GET_LINE_CODING                 0x21
#define SET_CONTROL_LINE_STATE          0x22
 
#define SET_CONTROL_LINE_STATE_RTS      0x02
#define SET_CONTROL_LINE_STATE_DTR      0x01
 
#define USB_CDC_LINE_CTRL_BAUD_RATE     UART_LINE_CTRL_BAUD_RATE
#define USB_CDC_LINE_CTRL_DCD           UART_LINE_CTRL_DCD
#define USB_CDC_LINE_CTRL_DSR           UART_LINE_CTRL_DSR
#define USB_CDC_LINE_CTRL_BREAK         BIT(5)
#define USB_CDC_LINE_CTRL_RING_SIGNAL   BIT(6)
#define USB_CDC_LINE_CTRL_FRAMING       BIT(7)
#define USB_CDC_LINE_CTRL_PARITY        BIT(8)
#define USB_CDC_LINE_CTRL_OVER_RUN      BIT(9)
 
#define SERIAL_STATE_OVER_RUN           0x40
#define SERIAL_STATE_PARITY             0x20
#define SERIAL_STATE_FRAMING            0x10
#define SERIAL_STATE_RING_SIGNAL        0x08
#define SERIAL_STATE_BREAK              0x04
#define SERIAL_STATE_TX_CARRIER         0x02
#define SERIAL_STATE_RX_CARRIER         0x01
 
#define SET_ETHERNET_MULTICAST_FILTERS  0x40
#define SET_ETHERNET_PM_FILTER          0x41
#define GET_ETHERNET_PM_FILTER          0x42
#define SET_ETHERNET_PACKET_FILTER      0x43
#define GET_ETHERNET_STATISTIC          0x44
 
#define PACKET_TYPE_MULTICAST           0x10
#define PACKET_TYPE_BROADCAST           0x08
#define PACKET_TYPE_DIRECTED            0x04
#define PACKET_TYPE_ALL_MULTICAST       0x02
#define PACKET_TYPE_PROMISCUOUS         0x01
 
struct cdc_header_descriptor {
        uint8_t bFunctionLength;
        uint8_t bDescriptorType;
        uint8_t bDescriptorSubtype;
        uint16_t bcdCDC;
} __packed;
 
struct cdc_union_descriptor {
        uint8_t bFunctionLength;
        uint8_t bDescriptorType;
        uint8_t bDescriptorSubtype;
        uint8_t bControlInterface;
        uint8_t bSubordinateInterface0;
} __packed;
 
struct cdc_cm_descriptor {
        uint8_t bFunctionLength;
        uint8_t bDescriptorType;
        uint8_t bDescriptorSubtype;
        uint8_t bmCapabilities;
        uint8_t bDataInterface;
} __packed;
 
struct cdc_acm_descriptor {
        uint8_t bFunctionLength;
        uint8_t bDescriptorType;
        uint8_t bDescriptorSubtype;
        uint8_t bmCapabilities;
} __packed;
 
struct cdc_acm_line_coding {
        uint32_t dwDTERate;
        uint8_t bCharFormat;
        uint8_t bParityType;
        uint8_t bDataBits;
} __packed;
 
struct cdc_acm_notification {
        uint8_t bmRequestType;
        uint8_t bNotificationType;
        uint16_t wValue;
        uint16_t wIndex;
        uint16_t wLength;
        uint16_t data;
} __packed;
 
struct cdc_ecm_descriptor {
        uint8_t bFunctionLength;
        uint8_t bDescriptorType;
        uint8_t bDescriptorSubtype;
        uint8_t iMACAddress;
        uint32_t bmEthernetStatistics;
        uint16_t wMaxSegmentSize;
        uint16_t wNumberMCFilters;
        uint8_t bNumberPowerFilters;
} __packed;
 
#endif /* ZEPHYR_INCLUDE_USB_CLASS_USB_CDC_H_ */