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85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
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/*
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* include/atusb/ep0.h - EP0 extension protocol
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*
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* Written 2008-2011 by Werner Almesberger
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* Copyright 2008-2011 Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef EP0_H
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#define EP0_H
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/*
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* Direction bRequest wValue wIndex wLength
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*
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* ->host ATUSB_ID - - 3
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* ->host ATUSB_BUILD - - #bytes
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* host-> ATUSB_RESET - - 0
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*
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* host-> ATUSB_RF_RESET - - 0
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* ->host ATUSB_POLL_INT - - 1
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* host-> ATUSB_TEST - - 0
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*
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* host-> ATUSB_REG_WRITE value addr 0
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* ->host ATUSB_REG_READ - addr 1
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* host-> ATUSB_BUF_WRITE - - #bytes
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* ->host ATUSB_BUF_READ - - #bytes
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* host-> ATUSB_SRAM_WRITE - addr #bytes
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* ->host ATUSB_SRAM_READ - addr #bytes
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*/
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/*
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* EP0 protocol:
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*
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* 0.0 initial release
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* 0.1 addition of ATUSB_TEST
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*/
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#define EP0ATUSB_MAJOR 0 /* EP0 protocol, major revision */
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#define EP0ATUSB_MINOR 1 /* EP0 protocol, minor revision */
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#define HW_TYPE_100813 0 /* 2010-08-13 */
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#define HW_TYPE_101216 1 /* 2010-12-16 */
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#define HW_TYPE_110131 2 /* 2011-01-31, ATmega32U2-based */
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/*
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* bmRequestType:
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*
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* D7 D6..5 D4...0
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* | | |
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* direction (0 = host->dev)
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* type (2 = vendor)
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* recipient (0 = device)
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*/
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#define ATUSB_TO_DEV(req) (0x40 | (req) << 8)
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#define ATUSB_FROM_DEV(req) (0xc0 | (req) << 8)
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enum atspi_requests {
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ATUSB_ID = 0x00,
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ATUSB_BUILD,
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ATUSB_RESET,
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ATUSB_RF_RESET = 0x10,
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ATUSB_POLL_INT,
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ATUSB_TEST,
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ATUSB_REG_WRITE = 0x20,
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ATUSB_REG_READ,
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ATUSB_BUF_WRITE,
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ATUSB_BUF_READ,
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ATUSB_SRAM_WRITE,
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ATUSB_SRAM_READ,
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};
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void ep0_init(void);
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#endif /* !EP0_H */
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