435 lines
16 KiB
C
435 lines
16 KiB
C
/************************************************************************************
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* arch/arm/src/stm32/stm32f0_uart.h
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*
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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* Alan Carvalho de Assis <acassis@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_STC_STM32F0_STM32F0_UART_H
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#define __ARCH_ARM_STC_STM32F0_STM32F0_UART_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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#include "chip/stm32f0_uart.h"
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* Make sure that we have not enabled more U[S]ARTs than are supported by the
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* device.
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*/
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#if STM32F0_NUSART < 8 || !defined(CONFIG_STM32F0_HAVE_USART8)
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# undef CONFIG_STM32F0_USART8
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#endif
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#if STM32F0_NUSART < 7 || !defined(CONFIG_STM32F0_HAVE_USART7)
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# undef CONFIG_STM32F0_USART7
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#endif
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#if STM32F0_NUSART < 6 || !defined(CONFIG_STM32F0_HAVE_USART6)
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# undef CONFIG_STM32F0_USART6
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#endif
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#if STM32F0_NUSART < 5 || !defined(CONFIG_STM32F0_HAVE_USART5)
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# undef CONFIG_STM32F0_USART5
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#endif
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#if STM32F0_NUSART < 4 || !defined(CONFIG_STM32F0_HAVE_USART4)
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# undef CONFIG_STM32F0_USART4
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#endif
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#if STM32F0_NUSART < 3 || !defined(CONFIG_STM32F0_HAVE_USART3)
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# undef CONFIG_STM32F0_USART3
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#endif
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#if STM32F0_NUSART < 2
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# undef CONFIG_STM32F0_USART2
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#endif
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#if STM32F0_NUSART < 1
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# undef CONFIG_STM32F0_USART1
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#endif
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/* Is there a USART enabled? */
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#if defined(CONFIG_STM32F0_USART1) || defined(CONFIG_STM32F0_USART2) || \
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defined(CONFIG_STM32F0_USART3) || defined(CONFIG_STM32F0_USART4) || \
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defined(CONFIG_STM32F0_USART5)
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# define HAVE_UART 1
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#endif
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/* Sanity checks */
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#if !defined(CONFIG_STM32F0_USART1)
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# undef CONFIG_STM32F0_USART1_SERIALDRIVER
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# undef CONFIG_STM32F0_USART1_1WIREDRIVER
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#endif
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#if !defined(CONFIG_STM32F0_USART2)
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# undef CONFIG_STM32F0_USART2_SERIALDRIVER
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# undef CONFIG_STM32F0_USART2_1WIREDRIVER
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#endif
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#if !defined(CONFIG_STM32F0_USART3)
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# undef CONFIG_STM32F0_USART3_SERIALDRIVER
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# undef CONFIG_STM32F0_USART3_1WIREDRIVER
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#endif
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#if !defined(CONFIG_STM32F0_USART4)
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# undef CONFIG_STM32F0_USART4_SERIALDRIVER
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# undef CONFIG_STM32F0_USART4_1WIREDRIVER
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#endif
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#if !defined(CONFIG_STM32F0_USART5)
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# undef CONFIG_STM32F0_USART5_SERIALDRIVER
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# undef CONFIG_STM32F0_USART5_1WIREDRIVER
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#endif
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#if !defined(CONFIG_STM32F0_USART6)
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# undef CONFIG_STM32F0_USART6_SERIALDRIVER
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# undef CONFIG_STM32F0_USART6_1WIREDRIVER
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#endif
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#if !defined(CONFIG_STM32F0_USART7)
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# undef CONFIG_STM32F0_USART7_SERIALDRIVER
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# undef CONFIG_STM32F0_USART7_1WIREDRIVER
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#endif
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#if !defined(CONFIG_STM32F0_USART8)
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# undef CONFIG_STM32F0_USART8_SERIALDRIVER
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# undef CONFIG_STM32F0_USART8_1WIREDRIVER
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#endif
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/* Check 1-Wire and U(S)ART conflicts */
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#if defined(CONFIG_STM32F0_USART1_1WIREDRIVER) && defined(CONFIG_STM32F0_USART1_SERIALDRIVER)
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# error Both CONFIG_STM32F0_USART1_1WIREDRIVER and CONFIG_STM32F0_USART1_SERIALDRIVER defined
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# undef CONFIG_STM32F0_USART1_1WIREDRIVER
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#endif
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#if defined(CONFIG_STM32F0_USART2_1WIREDRIVER) && defined(CONFIG_STM32F0_USART2_SERIALDRIVER)
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# error Both CONFIG_STM32F0_USART2_1WIREDRIVER and CONFIG_STM32F0_USART2_SERIALDRIVER defined
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# undef CONFIG_STM32F0_USART2_1WIREDRIVER
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#endif
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#if defined(CONFIG_STM32F0_USART3_1WIREDRIVER) && defined(CONFIG_STM32F0_USART3_SERIALDRIVER)
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# error Both CONFIG_STM32F0_USART3_1WIREDRIVER and CONFIG_STM32F0_USART3_SERIALDRIVER defined
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# undef CONFIG_STM32F0_USART3_1WIREDRIVER
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#endif
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#if defined(CONFIG_STM32F0_USART4_1WIREDRIVER) && defined(CONFIG_STM32F0_USART4_SERIALDRIVER)
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# error Both CONFIG_STM32F0_USART4_1WIREDRIVER and CONFIG_STM32F0_USART4_SERIALDRIVER defined
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# undef CONFIG_STM32F0_USART4_1WIREDRIVER
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#endif
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#if defined(CONFIG_STM32F0_USART5_1WIREDRIVER) && defined(CONFIG_STM32F0_USART5_SERIALDRIVER)
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# error Both CONFIG_STM32F0_USART5_1WIREDRIVER and CONFIG_STM32F0_USART5_SERIALDRIVER defined
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# undef CONFIG_STM32F0_USART5_1WIREDRIVER
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#endif
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#if defined(CONFIG_STM32F0_USART6_1WIREDRIVER) && defined(CONFIG_STM32F0_USART6_SERIALDRIVER)
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# error Both CONFIG_STM32F0_USART6_1WIREDRIVER and CONFIG_STM32F0_USART6_SERIALDRIVER defined
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# undef CONFIG_STM32F0_USART6_1WIREDRIVER
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#endif
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#if defined(CONFIG_STM32F0_USART7_1WIREDRIVER) && defined(CONFIG_STM32F0_USART7_SERIALDRIVER)
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# error Both CONFIG_STM32F0_USART7_1WIREDRIVER and CONFIG_STM32F0_USART7_SERIALDRIVER defined
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# undef CONFIG_STM32F0_USART7_1WIREDRIVER
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#endif
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#if defined(CONFIG_STM32F0_USART8_1WIREDRIVER) && defined(CONFIG_STM32F0_USART8_SERIALDRIVER)
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# error Both CONFIG_STM32F0_USART8_1WIREDRIVER and CONFIG_STM32F0_USART8_SERIALDRIVER defined
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# undef CONFIG_STM32F0_USART8_1WIREDRIVER
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#endif
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/* Is the serial driver enabled? */
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#if defined(CONFIG_STM32F0_USART1_SERIALDRIVER) || defined(CONFIG_STM32F0_USART2_SERIALDRIVER) || \
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defined(CONFIG_STM32F0_USART3_SERIALDRIVER) || defined(CONFIG_STM32F0_USART4_SERIALDRIVER) || \
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defined(CONFIG_STM32F0_USART5_SERIALDRIVER) || defined(CONFIG_STM32F0_USART6_SERIALDRIVER) || \
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defined(CONFIG_STM32F0_USART7_SERIALDRIVER) || defined(CONFIG_STM32F0_USART8_SERIALDRIVER)
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# define HAVE_SERIALDRIVER 1
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#endif
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/* Is the 1-Wire driver? */
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#if defined(CONFIG_STM32F0_USART1_1WIREDRIVER) || defined(CONFIG_STM32F0_USART2_1WIREDRIVER) || \
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defined(CONFIG_STM32F0_USART3_1WIREDRIVER) || defined(CONFIG_STM32F0_USART4_1WIREDRIVER) || \
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defined(CONFIG_STM32F0_USART5_1WIREDRIVER) || defined(CONFIG_STM32F0_USART6_1WIREDRIVER) || \
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defined(CONFIG_STM32F0_USART7_1WIREDRIVER) || defined(CONFIG_STM32F0_USART8_1WIREDRIVER)
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# define HAVE_1WIREDRIVER 1
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#endif
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/* Is there a serial console? */
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#if defined(CONFIG_USART1_SERIAL_CONSOLE) && defined(CONFIG_STM32F0_USART1_SERIALDRIVER)
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# undef CONFIG_USART2_SERIAL_CONSOLE
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# undef CONFIG_USART3_SERIAL_CONSOLE
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# undef CONFIG_USART4_SERIAL_CONSOLE
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# undef CONFIG_USART5_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_USART7_SERIAL_CONSOLE
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# undef CONFIG_USART8_SERIAL_CONSOLE
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# define CONSOLE_USART 1
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# define HAVE_CONSOLE 1
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#elif defined(CONFIG_USART2_SERIAL_CONSOLE) && defined(CONFIG_STM32F0_USART2_SERIALDRIVER)
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# undef CONFIG_USART1_SERIAL_CONSOLE
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# undef CONFIG_USART3_SERIAL_CONSOLE
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# undef CONFIG_USART4_SERIAL_CONSOLE
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# undef CONFIG_USART5_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_USART7_SERIAL_CONSOLE
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# undef CONFIG_USART8_SERIAL_CONSOLE
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# define CONSOLE_USART 2
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# define HAVE_CONSOLE 1
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#elif defined(CONFIG_USART3_SERIAL_CONSOLE) && defined(CONFIG_STM32F0_USART3_SERIALDRIVER)
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# undef CONFIG_USART1_SERIAL_CONSOLE
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# undef CONFIG_USART2_SERIAL_CONSOLE
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# undef CONFIG_USART4_SERIAL_CONSOLE
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# undef CONFIG_USART5_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_USART7_SERIAL_CONSOLE
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# undef CONFIG_USART8_SERIAL_CONSOLE
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# define CONSOLE_USART 3
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# define HAVE_CONSOLE 1
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#elif defined(CONFIG_USART4_SERIAL_CONSOLE) && defined(CONFIG_STM32F0_USART4_SERIALDRIVER)
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# undef CONFIG_USART1_SERIAL_CONSOLE
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# undef CONFIG_USART2_SERIAL_CONSOLE
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# undef CONFIG_USART3_SERIAL_CONSOLE
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# undef CONFIG_USART5_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_USART7_SERIAL_CONSOLE
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# undef CONFIG_USART8_SERIAL_CONSOLE
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# define CONSOLE_USART 4
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# define HAVE_CONSOLE 1
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#elif defined(CONFIG_USART5_SERIAL_CONSOLE) && defined(CONFIG_STM32F0_USART5_SERIALDRIVER)
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# undef CONFIG_USART1_SERIAL_CONSOLE
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# undef CONFIG_USART2_SERIAL_CONSOLE
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# undef CONFIG_USART3_SERIAL_CONSOLE
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# undef CONFIG_USART4_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_USART7_SERIAL_CONSOLE
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# undef CONFIG_USART8_SERIAL_CONSOLE
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# define CONSOLE_USART 5
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# define HAVE_CONSOLE 1
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#elif defined(CONFIG_USART6_SERIAL_CONSOLE) && defined(CONFIG_STM32F0_USART6_SERIALDRIVER)
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# undef CONFIG_USART1_SERIAL_CONSOLE
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# undef CONFIG_USART2_SERIAL_CONSOLE
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# undef CONFIG_USART3_SERIAL_CONSOLE
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# undef CONFIG_USART4_SERIAL_CONSOLE
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# undef CONFIG_USART5_SERIAL_CONSOLE
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# undef CONFIG_USART7_SERIAL_CONSOLE
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# undef CONFIG_USART8_SERIAL_CONSOLE
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# define CONSOLE_USART 6
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# define HAVE_CONSOLE 1
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#elif defined(CONFIG_USART7_SERIAL_CONSOLE) && defined(CONFIG_STM32F0_USART7_SERIALDRIVER)
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# undef CONFIG_USART1_SERIAL_CONSOLE
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# undef CONFIG_USART2_SERIAL_CONSOLE
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# undef CONFIG_USART3_SERIAL_CONSOLE
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# undef CONFIG_USART4_SERIAL_CONSOLE
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# undef CONFIG_USART5_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_USART5_SERIAL_CONSOLE
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# undef CONFIG_USART8_SERIAL_CONSOLE
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# define CONSOLE_USART 7
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# define HAVE_CONSOLE 1
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#elif defined(CONFIG_USART8_SERIAL_CONSOLE) && defined(CONFIG_STM32F0_USART8_SERIALDRIVER)
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# undef CONFIG_USART1_SERIAL_CONSOLE
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# undef CONFIG_USART2_SERIAL_CONSOLE
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# undef CONFIG_USART3_SERIAL_CONSOLE
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# undef CONFIG_USART4_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_USART7_SERIAL_CONSOLE
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# define CONSOLE_USART 8
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# define HAVE_CONSOLE 1
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#else
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# undef CONFIG_USART1_SERIAL_CONSOLE
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# undef CONFIG_USART2_SERIAL_CONSOLE
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# undef CONFIG_USART3_SERIAL_CONSOLE
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# undef CONFIG_USART4_SERIAL_CONSOLE
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# undef CONFIG_USART5_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_USART7_SERIAL_CONSOLE
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# undef CONFIG_USART8_SERIAL_CONSOLE
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# define CONSOLE_USART 0
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# undef HAVE_CONSOLE
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#endif
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/* DMA support is only provided if CONFIG_ARCH_DMA is in the NuttX configuration */
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#if !defined(HAVE_SERIALDRIVER) || !defined(CONFIG_ARCH_DMA)
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# undef CONFIG_USART1_RXDMA
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# undef CONFIG_USART2_RXDMA
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# undef CONFIG_USART3_RXDMA
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# undef CONFIG_USART4_RXDMA
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# undef CONFIG_USART5_RXDMA
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# undef CONFIG_USART6_RXDMA
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# undef CONFIG_USART7_RXDMA
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# undef CONFIG_USART8_RXDMA
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#endif
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/* Disable the DMA configuration on all unused USARTs */
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#ifndef CONFIG_STM32F0_USART1_SERIALDRIVER
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# undef CONFIG_USART1_RXDMA
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#endif
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#ifndef CONFIG_STM32F0_USART2_SERIALDRIVER
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# undef CONFIG_USART2_RXDMA
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#endif
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#ifndef CONFIG_STM32F0_USART3_SERIALDRIVER
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# undef CONFIG_USART3_RXDMA
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#endif
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#ifndef CONFIG_STM32F0_USART4_SERIALDRIVER
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# undef CONFIG_USART4_RXDMA
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#endif
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#ifndef CONFIG_STM32F0_USART5_SERIALDRIVER
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# undef CONFIG_USART5_RXDMA
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#endif
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#ifndef CONFIG_STM32F0_USART6_SERIALDRIVER
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# undef CONFIG_USART6_RXDMA
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#endif
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#ifndef CONFIG_STM32F0_USART7_SERIALDRIVER
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# undef CONFIG_USART7_RXDMA
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#endif
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#ifndef CONFIG_STM32F0_USART8_SERIALDRIVER
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# undef CONFIG_USART8_RXDMA
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#endif
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/* Is DMA available on any (enabled) USART? */
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#undef SERIAL_HAVE_DMA
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#if defined(CONFIG_USART1_RXDMA) || defined(CONFIG_USART2_RXDMA) || \
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defined(CONFIG_USART3_RXDMA) || defined(CONFIG_USART4_RXDMA) || \
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defined(CONFIG_USART5_RXDMA) || defined(CONFIG_USART6_RXDMA) || \
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defined(CONFIG_USART7_RXDMA) || defined(CONFIG_USART8_RXDMA)
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# define SERIAL_HAVE_DMA 1
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#endif
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/* Is DMA used on the console USART? */
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#undef SERIAL_HAVE_CONSOLE_DMA
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#if defined(CONFIG_USART1_SERIAL_CONSOLE) && defined(CONFIG_USART1_RXDMA)
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# define SERIAL_HAVE_CONSOLE_DMA 1
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#elif defined(CONFIG_USART2_SERIAL_CONSOLE) && defined(CONFIG_USART2_RXDMA)
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# define SERIAL_HAVE_CONSOLE_DMA 1
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#elif defined(CONFIG_USART3_SERIAL_CONSOLE) && defined(CONFIG_USART3_RXDMA)
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# define SERIAL_HAVE_CONSOLE_DMA 1
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#elif defined(CONFIG_USART4_SERIAL_CONSOLE) && defined(CONFIG_USART4_RXDMA)
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# define SERIAL_HAVE_CONSOLE_DMA 1
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#elif defined(CONFIG_USART5_SERIAL_CONSOLE) && defined(CONFIG_USART5_RXDMA)
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# define SERIAL_HAVE_CONSOLE_DMA 1
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#elif defined(CONFIG_USART6_SERIAL_CONSOLE) && defined(CONFIG_USART6_RXDMA)
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# define SERIAL_HAVE_CONSOLE_DMA 1
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#elif defined(CONFIG_USART7_SERIAL_CONSOLE) && defined(CONFIG_USART7_RXDMA)
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# define SERIAL_HAVE_CONSOLE_DMA 1
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#elif defined(CONFIG_USART8_SERIAL_CONSOLE) && defined(CONFIG_USART8_RXDMA)
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# define SERIAL_HAVE_CONSOLE_DMA 1
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#endif
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/* Is DMA used on all (enabled) USARTs */
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#define SERIAL_HAVE_ONLY_DMA 1
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#if defined(CONFIG_STM32F0_USART1_SERIALDRIVER) && !defined(CONFIG_USART1_RXDMA)
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# undef SERIAL_HAVE_ONLY_DMA
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#elif defined(CONFIG_STM32F0_USART2_SERIALDRIVER) && !defined(CONFIG_USART2_RXDMA)
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# undef SERIAL_HAVE_ONLY_DMA
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#elif defined(CONFIG_STM32F0_USART3_SERIALDRIVER) && !defined(CONFIG_USART3_RXDMA)
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# undef SERIAL_HAVE_ONLY_DMA
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#elif defined(CONFIG_STM32F0_USART4_SERIALDRIVER) && !defined(CONFIG_USART4_RXDMA)
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# undef SERIAL_HAVE_ONLY_DMA
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#elif defined(CONFIG_STM32F0_USART5_SERIALDRIVER) && !defined(CONFIG_USART5_RXDMA)
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# undef SERIAL_HAVE_ONLY_DMA
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#elif defined(CONFIG_STM32F0_USART6_SERIALDRIVER) && !defined(CONFIG_USART6_RXDMA)
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# undef SERIAL_HAVE_ONLY_DMA
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#elif defined(CONFIG_STM32F0_USART7_SERIALDRIVER) && !defined(CONFIG_USART7_RXDMA)
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# undef SERIAL_HAVE_ONLY_DMA
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#elif defined(CONFIG_STM32F0_USART8_SERIALDRIVER) && !defined(CONFIG_USART8_RXDMA)
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# undef SERIAL_HAVE_ONLY_DMA
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#endif
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/* Is RS-485 used? */
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#if defined(CONFIG_USART1_RS485) || defined(CONFIG_USART2_RS485) || \
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defined(CONFIG_USART3_RS485) || defined(CONFIG_USART4_RS485) || \
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defined(CONFIG_USART5_RS485) || defined(CONFIG_USART6_RS485) || \
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defined(CONFIG_USART7_RS485) || defined(CONFIG_USART8_RS485)
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# define HAVE_RS485 1
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#endif
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#ifdef HAVE_RS485
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# define USART_CR1_USED_INTS (USART_CR1_RXNEIE | USART_CR1_TXEIE | USART_CR1_PEIE | USART_CR1_TCIE)
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#else
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# define USART_CR1_USED_INTS (USART_CR1_RXNEIE | USART_CR1_TXEIE | USART_CR1_PEIE)
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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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|
/************************************************************************************
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* Public Data
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|
************************************************************************************/
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|
|
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#ifndef __ASSEMBLY__
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|
|
|
#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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|
|
|
/************************************************************************************
|
|
* Public Functions
|
|
************************************************************************************/
|
|
|
|
/************************************************************************************
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|
* Name: stm32f0_serial_dma_poll
|
|
*
|
|
* Description:
|
|
* Must be called periodically if any STM32 USART is configured for DMA. The DMA
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|
* callback is triggered for each fifo size/2 bytes, but this can result in some
|
|
* bytes being transferred but not collected if the incoming data is not a whole
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|
* multiple of half the FIFO size.
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|
*
|
|
* May be safely called from either interrupt or thread context.
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|
*
|
|
************************************************************************************/
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|
|
|
#ifdef SERIAL_HAVE_DMA
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void stm32f0_serial_dma_poll(void);
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|
#endif
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|
|
|
#undef EXTERN
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_ARM_STC_STM32F0_STM32F0_UART_H */
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