22 lines
683 B
C
22 lines
683 B
C
/** library for USB CDC ACM communication (API)
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* @file
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* @author King Kévin <kingkevin@cuvoodoo.info>
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* @copyright SPDX-License-Identifier: GPL-3.0-or-later
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* @date 2016-2019
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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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/** wait until all is transmitted (blocking)
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*/
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void usb_cdcacm_flush(void);
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