32 lines
1.2 KiB
C
32 lines
1.2 KiB
C
/* 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 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/** library for USB CDC ACM communication (API)
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* @file usb_cdcacm.h
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* @author King Kévin <kingkevin@cuvoodoo.info>
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* @date 2016
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*/
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#pragma once
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/** flag set to true when user is connected to USB CDC ACM port (e.g. when a terminal is opened) */
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extern volatile bool usb_cdcacm_connecting;
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/** setup USB CDC ACM peripheral */
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void usb_cdcacm_setup(void);
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/** send character over USB (non-blocking)
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* @param[in] c character to send
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* @note blocks if transmit buffer is full, else puts in buffer and returns
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*/
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void usb_cdcacm_putchar(char c);
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