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60 lines
2.6 KiB
C
60 lines
2.6 KiB
C
/**
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******************************************************************************
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* @file cpu/arm/stm32l152/uart.c
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* @author System LAB
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* @version V1.0.0
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* @date 17-June-2015
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* @brief Source file for UART read/write
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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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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* 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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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/*---------------------------------------------------------------------------*/
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#include "console.h"
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#include <stdio.h>
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/*---------------------------------------------------------------------------*/
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size_t
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_write(int handle, const unsigned char *buffer, size_t size)
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{
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int data_idx;
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for (data_idx = 0; data_idx < size; data_idx++) {
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__io_putchar( *buffer++ );
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}
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return size;
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}
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/*---------------------------------------------------------------------------*/
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size_t
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_read(int handle, unsigned char *buffer, size_t size)
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{
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/* scanf calls _read() with len=1024, so eat one character at time */
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*buffer = __io_getchar();
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return 1;
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}
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/*---------------------------------------------------------------------------*/
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