osmo-clkgen-firmware/firmware/usb_cdc.h

230 lines
7.1 KiB
C

/*
* Copyright (c) 2017, Alex Taradov <alex@taradov.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
*/
#ifndef _USB_CDC_H_
#define _USB_CDC_H_
/*- Includes ----------------------------------------------------------------*/
#include <stdint.h>
#include <stdbool.h>
#include "utils.h"
#include "usb_std.h"
/*- Definitions -------------------------------------------------------------*/
enum
{
USB_CDC_SEND_ENCAPSULATED_COMMAND = 0x00,
USB_CDC_GET_ENCAPSULATED_RESPONSE = 0x01,
USB_CDC_SET_COMM_FEATURE = 0x02,
USB_CDC_GET_COMM_FEATURE = 0x03,
USB_CDC_CLEAR_COMM_FEATURE = 0x04,
USB_CDC_SET_AUX_LINE_STATE = 0x10,
USB_CDC_SET_HOOK_STATE = 0x11,
USB_CDC_PULSE_SETUP = 0x12,
USB_CDC_SEND_PULSE = 0x13,
USB_CDC_SET_PULSE_TIME = 0x14,
USB_CDC_RING_AUX_JACK = 0x15,
USB_CDC_SET_LINE_CODING = 0x20,
USB_CDC_GET_LINE_CODING = 0x21,
USB_CDC_SET_CONTROL_LINE_STATE = 0x22,
USB_CDC_SEND_BREAK = 0x23,
USB_CDC_SET_RINGER_PARMS = 0x30,
USB_CDC_GET_RINGER_PARMS = 0x31,
USB_CDC_SET_OPERATION_PARMS = 0x32,
USB_CDC_GET_OPERATION_PARMS = 0x33,
USB_CDC_SET_LINE_PARMS = 0x34,
USB_CDC_GET_LINE_PARMS = 0x35,
USB_CDC_DIAL_DIGITS = 0x36,
USB_CDC_SET_UNIT_PARAMETER = 0x37,
USB_CDC_GET_UNIT_PARAMETER = 0x38,
USB_CDC_CLEAR_UNIT_PARAMETER = 0x39,
USB_CDC_GET_PROFILE = 0x3a,
USB_CDC_NOTIFY_RING_DETECT = 0x09,
USB_CDC_NOTIFY_SERIAL_STATE = 0x20,
USB_CDC_NOTIFY_CALL_STATE_CHANGE = 0x28,
USB_CDC_NOTIFY_LINE_STATE_CHANGE = 0x29,
};
enum
{
USB_CDC_1_STOP_BIT = 0,
USB_CDC_1_5_STOP_BITS = 1,
USB_CDC_2_STOP_BITS = 2,
};
enum
{
USB_CDC_NO_PARITY = 0,
USB_CDC_ODD_PARITY = 1,
USB_CDC_EVEN_PARITY = 2,
USB_CDC_MARK_PARITY = 3,
USB_CDC_SPACE_PARITY = 4,
};
enum
{
USB_CDC_5_DATA_BITS = 5,
USB_CDC_6_DATA_BITS = 6,
USB_CDC_7_DATA_BITS = 7,
USB_CDC_8_DATA_BITS = 8,
USB_CDC_16_DATA_BITS = 16,
};
enum
{
USB_CDC_DEVICE_CLASS = 2, // USB Communication Device Class
USB_CDC_COMM_CLASS = 2, // CDC Communication Class Interface
USB_CDC_DATA_CLASS = 10, // CDC Data Class Interface
};
enum
{
USB_CDC_DLCM_SUBCLASS = 1, // Direct Line Control Model
USB_CDC_ACM_SUBCLASS = 2, // Abstract Control Model
USB_CDC_TCM_SUBCLASS = 3, // Telephone Control Model
USB_CDC_MCCM_SUBCLASS = 4, // Multi-Channel Control Model
USB_CDC_CCM_SUBCLASS = 5, // CAPI Control Model
USB_CDC_ETH_SUBCLASS = 6, // Ethernet Networking Control Model
USB_CDC_ATM_SUBCLASS = 7, // ATM Networking Control Model
};
enum
{
USB_CDC_HEADER_SUBTYPE = 0, // Header Functional Descriptor
USB_CDC_CALL_MGMT_SUBTYPE = 1, // Call Management
USB_CDC_ACM_SUBTYPE = 2, // Abstract Control Management
USB_CDC_UNION_SUBTYPE = 6, // Union Functional Descriptor
};
// USB CDC Call Management Capabilities
enum
{
USB_CDC_CALL_MGMT_SUPPORTED = (1 << 0),
USB_CDC_CALL_MGMT_OVER_DCI = (1 << 1),
};
// USB CDC ACM Capabilities
enum
{
// Device supports the request combination of Set_Comm_Feature,
// Clear_Comm_Feature, and Get_Comm_Feature.
USB_CDC_ACM_SUPPORT_FEATURE_REQUESTS = (1 << 0),
// Device supports the request combination of Set_Line_Coding, Set_Control_Line_State,
// Get_Line_Coding, and the notification Serial_State.
USB_CDC_ACM_SUPPORT_LINE_REQUESTS = (1 << 1),
// Device supports the request Send_Break.
USB_CDC_ACM_SUPPORT_SENDBREAK_REQUESTS = (1 << 2),
// Device supports the notification Network_Connection.
USB_CDC_ACM_SUPPORT_NOTIFY_REQUESTS = (1 << 3),
};
enum
{
USB_CDC_CTRL_SIGNAL_DTE_PRESENT = (1 << 0), // DTR
USB_CDC_CTRL_SIGNAL_ACTIVATE_CARRIER = (1 << 1), // RTS
};
enum
{
USB_CDC_SERIAL_STATE_DCD = (1 << 0),
USB_CDC_SERIAL_STATE_DSR = (1 << 1),
USB_CDC_SERIAL_STATE_BREAK = (1 << 2),
USB_CDC_SERIAL_STATE_RING = (1 << 3),
USB_CDC_SERIAL_STATE_FRAMING = (1 << 4),
USB_CDC_SERIAL_STATE_PARITY = (1 << 5),
USB_CDC_SERIAL_STATE_OVERRUN = (1 << 6),
};
/*- Types -------------------------------------------------------------------*/
typedef struct PACK
{
uint8_t bFunctionalLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubtype;
uint16_t bcdCDC;
} usb_cdc_header_functional_descriptor_t;
typedef struct PACK
{
uint8_t bFunctionalLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubtype;
uint8_t bmCapabilities;
} usb_cdc_abstract_control_managment_descriptor_t;
typedef struct PACK
{
uint8_t bFunctionalLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubtype;
uint8_t bmCapabilities;
uint8_t bDataInterface;
} usb_cdc_call_managment_functional_descriptor_t;
typedef struct PACK
{
uint8_t bFunctionalLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubtype;
uint8_t bMasterInterface;
uint8_t bSlaveInterface0;
} usb_cdc_union_functional_descriptor_t;
typedef struct PACK
{
uint32_t dwDTERate;
uint8_t bCharFormat;
uint8_t bParityType;
uint8_t bDataBits;
} usb_cdc_line_coding_t;
typedef struct PACK
{
usb_request_t request;
uint16_t value;
} usb_cdc_notify_serial_state_t;
/*- Prototypes --------------------------------------------------------------*/
void usb_cdc_init(void);
void usb_cdc_send(uint8_t *data, int size);
void usb_cdc_recv(uint8_t *data, int size);
void usb_cdc_set_state(int mask);
void usb_cdc_clear_state(int mask);
void usb_cdc_send_callback(void);
void usb_cdc_recv_callback(int size);
void usb_cdc_line_coding_updated(usb_cdc_line_coding_t *line_coding);
void usb_cdc_control_line_state_update(int line_state);
#endif // _USB_CDC_H_