kopia lustrzana https://github.com/espressif/esp-idf
51 wiersze
1.9 KiB
C
51 wiersze
1.9 KiB
C
// Copyright 2019-2020 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// USB persistence flags.
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//This bit indicates persistence has been enabled, that is, the USB initialization routines should not
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//reset the USB device as the device still is initialized and the host detected it with the same cdcacm/dfu
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//descriptor as the ROM uses; we can just re-initialize the software side and have at 'er.
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#define USBDC_PERSIST_ENA (1<<31)
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//This bit indicates to the ROM that we rebooted because of a request to go into DFU mode; the ROM should
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//honour this request.
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#define USBDC_BOOT_DFU (1<<30)
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//This being non-0 indicates a memory location where a 'testament' is stored, aka a piece of text that should be output
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//after a reboot. Can contain core dump info or something.
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#define USBDC_TESTAMENT_LOC_MASK 0x7FFFF //bits 19-0; this is added to a base address of 0x3FF80000.
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//The testament is a FIFO. The ROM will output all data between textstart and textend; if textend is lower than textstart it will
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//output everything from textstart to memend, then memstart to textend.
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typedef struct {
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char *memstart; //start of memory region
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char *memend; //end of memory region
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char *textstart; //start of text to output
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char *textend;
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} usbdc_testament_t;
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#ifdef __cplusplus
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}
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#endif
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