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1-wire driver based on U[S]ART in single-wire, half-duplex mode.
This commit is contained in:
Aleksandr Vyhovanec
committed by
Gregory Nutt
Gregory Nutt
parent
d58e4acf17
commit
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/************************************************************************************
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* arch/arm/src/stm32/stm32_1wire.h
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*
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* Copyright (C) 2016 Aleksandr Vyhovanec. All rights reserved.
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* Author: Aleksandr Vyhovanec <www.desh@gmail.com>
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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
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* 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
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* 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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************************************************************************************/
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#ifndef __ARCH_ARM_SRC_STM32_STM32_1WIRE_H
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#define __ARCH_ARM_SRC_STM32_STM32_1WIRE_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include "chip.h"
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#if defined(CONFIG_STM32_STM32L15XX)
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# include "chip/stm32l15xxx_uart.h"
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#elif defined(CONFIG_STM32_STM32F10XX)
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# include "chip/stm32f10xxx_uart.h"
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#elif defined(CONFIG_STM32_STM32F20XX)
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# include "chip/stm32f20xxx_uart.h"
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#elif defined(CONFIG_STM32_STM32F30XX) || defined(CONFIG_STM32_STM32F37XX)
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# include "chip/stm32f30xxx_uart.h"
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#elif defined(CONFIG_STM32_STM32F40XX)
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# include "chip/stm32f40xxx_uart.h"
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#else
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# error "Unsupported STM32 UART"
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#endif
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* Check 1-Wire and U(S)ART conflicting */
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#if defined(CONFIG_STM32_1WIRE1) && defined(CONFIG_STM32_USART1)
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# undef CONFIG_STM32_1WIRE1
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#endif
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#if defined(CONFIG_STM32_1WIRE2) && defined(CONFIG_STM32_USART2)
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# undef CONFIG_STM32_1WIRE2
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#endif
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#if defined(CONFIG_STM32_1WIRE3) && defined(CONFIG_STM32_USART3)
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# undef CONFIG_STM32_1WIRE3
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#endif
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#if defined(CONFIG_STM32_1WIRE4) && defined(CONFIG_STM32_UART4)
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# undef CONFIG_STM32_1WIRE4
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#endif
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#if defined(CONFIG_STM32_1WIRE5) && defined(CONFIG_STM32_UART5)
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# undef CONFIG_STM32_1WIRE5
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#endif
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#if defined(CONFIG_STM32_1WIRE6) && defined(CONFIG_STM32_USART6)
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# undef CONFIG_STM32_1WIRE6
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#endif
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#if defined(CONFIG_STM32_1WIRE7) && defined(CONFIG_STM32_UART7)
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# undef CONFIG_STM32_1WIRE7
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#endif
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#if defined(CONFIG_STM32_1WIRE8) && defined(CONFIG_STM32_UART8)
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# undef CONFIG_STM32_1WIRE8
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#endif
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/* Is there a 1-Wire enabled? */
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#if defined(CONFIG_STM32_1WIRE1) || defined(CONFIG_STM32_1WIRE2) || \
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defined(CONFIG_STM32_1WIRE3) || defined(CONFIG_STM32_1WIRE4) || \
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defined(CONFIG_STM32_1WIRE5) || defined(CONFIG_STM32_1WIRE6) || \
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defined(CONFIG_STM32_1WIRE7) || defined(CONFIG_STM32_1WIRE8)
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# define HAVE_1WIRE 1
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#endif
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/************************************************************************************
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* Public Types
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************************************************************************************/
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/************************************************************************************
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* Public Data
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************************************************************************************/
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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#endif /* __ARCH_ARM_SRC_STM32_STM32_1WIRE_H */
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