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58 lines
2.6 KiB
C
58 lines
2.6 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause */
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/* See the end of this file for copyright, licensing, and warranty information. */
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#pragma once
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#include <ardix/serial.h>
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int arch_serial_init(struct serial_interface *interface);
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void arch_serial_exit(struct serial_interface *interface);
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/**
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* Notify the serial interface about new data in the TX buffer.
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* This is required because if the transmitter is sleeping due to the TX queue being empty,
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* we need some way to tell it to turn on and fire interrupts again.
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*
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* @param interface: The serial interface to notify about new data.
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*/
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void arch_serial_notify(struct serial_interface *interface);
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/**
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* Copy the current TX ring buffer content to a new hardware buffer.
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*
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* @param interface: The serial interface to rotate the hardware buffer of.
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* @returns 0 on success, or a negative number on failure.
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*/
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int arch_serial_txbuf_rotate(struct serial_interface *interface);
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#ifdef ARCH_AT91SAM3X8E
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#include <arch/at91sam3x8e/serial.h>
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#else
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#error "Unsupported architecture"
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#endif
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/*
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* Copyright (c) 2020 Felix Kopp <sandtler@sandtler.club>
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted
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* provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its contributors may be
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* used to endorse or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
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* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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