64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
/*
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* This file is part of the Black Magic Debug project.
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*
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* MIT License
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*
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* Copyright (c) 2021 Koen De Vleeschauwer
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef INCLUDE_RTT_IF_H
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#define INCLUDE_RTT_IF_H
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/* rtt i/o to terminal */
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/* default buffer sizes, 8 bytes added to up buffer for alignment and padding */
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/* override RTT_UP_BUF_SIZE and RTT_DOWN_BUF_SIZE in platform.h if needed */
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#if !defined(RTT_UP_BUF_SIZE) || !defined(RTT_DOWN_BUF_SIZE)
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#if (PC_HOSTED == 1)
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#define RTT_UP_BUF_SIZE (4096 + 8)
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#define RTT_DOWN_BUF_SIZE (512)
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#elif defined(STM32F7)
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#define RTT_UP_BUF_SIZE (4096 + 8)
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#define RTT_DOWN_BUF_SIZE (2048)
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#elif defined(STM32F4)
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#define RTT_UP_BUF_SIZE (2048 + 8)
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#define RTT_DOWN_BUF_SIZE (256)
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#else /* stm32f103 */
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#define RTT_UP_BUF_SIZE (1024 + 8)
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#define RTT_DOWN_BUF_SIZE (256)
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#endif
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#endif
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/* hosted initialisation */
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int rtt_if_init(void);
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/* hosted teardown */
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int rtt_if_exit(void);
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/* target to host: write len bytes from the buffer starting at buf. return number bytes written */
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uint32_t rtt_write(const char *buf, uint32_t len);
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/* host to target: read one character, non-blocking. return character, -1 if no character */
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int32_t rtt_getchar();
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/* host to target: true if no characters available for reading */
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bool rtt_nodata();
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#endif /* INCLUDE_RTT_IF_H */
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