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87 lines
1.3 KiB
C
87 lines
1.3 KiB
C
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/*
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* boot/dfu.h - DFU protocol constants and data structures
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*
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* Written 2008 by Werner Almesberger
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* Copyright 2008 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 DFU_H
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#define DFU_H
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#include <stdint.h>
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enum dfu_request {
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DFU_DETACH,
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DFU_DNLOAD,
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DFU_UPLOAD,
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DFU_GETSTATUS,
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DFU_CLRSTATUS,
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DFU_GETSTATE,
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DFU_ABORT,
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};
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enum dfu_status {
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OK,
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errTARGET,
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errFILE,
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errWRITE,
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errERASE,
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errCHECK_ERASED,
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errPROG,
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errVERIFY,
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errADDRESS,
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errNOTDONE,
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errFIRMWARE,
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errVENDOR,
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errUSBR,
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errPOR,
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errUNKNOWN,
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errSTALLEDPKT,
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};
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enum dfu_state {
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appIDLE,
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appDETACH,
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dfuIDLE,
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dfuDNLOAD_SYNC,
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dfuDNBUSY,
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dfuDNLOAD_IDLE,
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dfuMANIFEST_SYNC,
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dfuMANIFEST,
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dfuMANIFEST_WAIT_RESET,
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dfuUPLOAD_IDLE,
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dfuERROR
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};
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#define DFU_DT_FUNCTIONAL 0x21 /* DFU FUNCTIONAL descriptor type */
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#define DFU_TO_DEV(req) (0x21 | (req) << 8)
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#define DFU_FROM_DEV(req) (0xa1 | (req) << 8)
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struct dfu {
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uint8_t status; /* bStatus */
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uint8_t toL, toM, toH; /* bwPollTimeout */
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uint8_t state; /* bState */
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uint8_t iString;
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};
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extern struct dfu dfu;
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void dfu_init(void);
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#endif /* !DFU_H */
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