From d6eacce827a8ebffb5e82b48d4c88eb097594c1e Mon Sep 17 00:00:00 2001 From: Martin Mueller Date: Thu, 4 Nov 2010 00:41:49 +0100 Subject: add standard request --- examples/stm32-h103/usb_cdcacm/cdc.h | 128 +++++++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100644 examples/stm32-h103/usb_cdcacm/cdc.h (limited to 'examples/stm32-h103/usb_cdcacm/cdc.h') diff --git a/examples/stm32-h103/usb_cdcacm/cdc.h b/examples/stm32-h103/usb_cdcacm/cdc.h new file mode 100644 index 0000000..c67b5e9 --- /dev/null +++ b/examples/stm32-h103/usb_cdcacm/cdc.h @@ -0,0 +1,128 @@ +/* + * This file is part of the libopenstm32 project. + * + * Copyright (C) 2010 Gareth McMullin + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ +#ifndef __CDC_H +#define __CDC_H + +/* Definitions of Communications Device Class from + * "Universal Serial Bus Class Definitions for Communications Devices + * Revision 1.2" + */ + +/* Table 2: Communications Device Class Code */ +#define USB_CLASS_CDC 0x02 + +/* Table 4: Class Subclass Code */ +#define USB_CDC_SUBCLASS_DLCM 0x01 +#define USB_CDC_SUBCLASS_ACM 0x02 +/* ... */ + +/* Table 5 Communications Interface Class Control Protocol Codes */ +#define USB_CDC_PROTOCOL_NONE 0x00 +#define USB_CDC_PROTOCOL_AT 0x01 +/* ... */ + +/* Table 6: Data Interface Class Code */ +#define USB_CLASS_DATA 0x0A + +/* Table 12: Type Values for the bDescriptorType Field */ +#define CS_INTERFACE 0x24 +#define CS_ENDPOINT 0x25 + +/* Table 13: bDescriptor SubType in Communications Class Functional + * Descriptors */ +#define USB_CDC_TYPE_HEADER 0x00 +#define USB_CDC_TYPE_CALL_MANAGEMENT 0x01 +#define USB_CDC_TYPE_ACM 0x02 +/* ... */ +#define USB_CDC_TYPE_UNION 0x06 +/* ... */ + +/* Table 15: Class-Specific Descriptor Header Format */ +struct usb_cdc_header_descriptor { + uint8_t bFunctionLength; + uint8_t bDescriptorType; + uint8_t bDescriptorSubtype; + uint16_t bcdCDC; +} __attribute__((packed)); + +/* Table 16: Union Interface Functional Descriptor */ +struct usb_cdc_union_descriptor { + uint8_t bFunctionLength; + uint8_t bDescriptorType; + uint8_t bDescriptorSubtype; + uint8_t bControlInterface; + uint8_t bSubordinateInterface0; + /* ... */ +} __attribute__((packed)); + + +/* Definitions for Abstract Control Model devices from: + * "Universal Serial Bus Communications Class Subclass Specification for + * PSTN Devices" + */ + +/* Table 3: Call Management Functional Descriptor */ +struct usb_cdc_call_management_descriptor { + uint8_t bFunctionLength; + uint8_t bDescriptorType; + uint8_t bDescriptorSubtype; + uint8_t bmCapabilities; + uint8_t bDataInterface; +} __attribute__((packed)); + +/* Table 4: Abstract Control Management Functional Descriptor */ +struct usb_cdc_acm_descriptor { + uint8_t bFunctionLength; + uint8_t bDescriptorType; + uint8_t bDescriptorSubtype; + uint8_t bmCapabilities; +} __attribute__((packed)); + +/* Table 13: Class-Specific Request Codes for PSTN subclasses */ +/* ... */ +#define USB_CDC_REQ_SET_LINE_CODING 0x20 +/* ... */ +#define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22 +/* ... */ + +/* Table 17: Line Coding Structure */ +struct usb_cdc_line_coding { + uint32_t dwDTERate; + uint8_t bCharFormat; + uint8_t bParityType; + uint8_t bDataBits; +} __attribute__((packed)); + +/* Table 30: Class-Specific Notification Codes for PSTN subclasses */ +/* ... */ +#define USB_CDC_NOTIFY_SERIAL_STATE 0x28 +/* ... */ + + +/* Notification Structure */ +struct usb_cdc_notification { + uint8_t bmRequestType; + uint8_t bNotification; + uint16_t wValue; + uint16_t wIndex; + uint16_t wLength; +} __attribute__((packed)); + +#endif + -- cgit v1.2.3