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88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
/**
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*
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* \file
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*
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* \brief USART Serial driver functions.
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*
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*
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* Copyright (c) 2010-2015 Atmel Corporation. All rights reserved.
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*
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* \asf_license_start
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*
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* \page License
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted 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,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. The name of Atmel may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* 4. This software may only be redistributed and used in connection with an
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* Atmel microcontroller product.
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*
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* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* \asf_license_stop
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*
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*/
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/*
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* Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
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*/
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#include "serial.h"
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/**
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* \brief Send a sequence of bytes to USART device
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*
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* \param usart Base address of the USART instance.
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* \param data Data buffer to read
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* \param len Length of data
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*
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*/
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status_code_t usart_serial_write_packet(usart_if usart, const uint8_t *data,
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size_t len)
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{
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while (len) {
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usart_serial_putchar(usart, *data);
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len--;
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data++;
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}
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return STATUS_OK;
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}
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/**
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* \brief Receive a sequence of bytes from USART device
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*
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* \param usart Base address of the USART instance.
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* \param data Data buffer to write
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* \param len Length of data
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*
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*/
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status_code_t usart_serial_read_packet(usart_if usart, uint8_t *data,
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size_t len)
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{
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while (len) {
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usart_serial_getchar(usart, data);
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len--;
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data++;
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}
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return STATUS_OK;
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}
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