241 lines
8.4 KiB
C
241 lines
8.4 KiB
C
/************************************************************************************
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* arch/arm/src/stm32h7/stm32_uart.h
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*
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* Copyright (C) 2015 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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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_STM32H7_STM32_UART_H
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#define __ARCH_ARM_SRC_STM32H7_STM32_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 <nuttx/serial/serial.h>
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#include "hardware/stm32_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 STM32H7_NUART < 4
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# undef CONFIG_STM32H7_UART8
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#endif
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#if STM32H7_NUART < 3
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# undef CONFIG_STM32H7_UART7
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#endif
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#if STM32H7_NUART < 2
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# undef CONFIG_STM32H7_UART5
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#endif
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#if STM32H7_NUART < 1
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# undef CONFIG_STM32H7_UART4
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#endif
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#if STM32H7_NUSART < 4
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# undef CONFIG_STM32H7_USART6
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#endif
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#if STM32H7_NUSART < 3
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# undef CONFIG_STM32H7_USART3
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#endif
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#if STM32H7_NUSART < 2
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# undef CONFIG_STM32H7_USART2
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#endif
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#if STM32H7_NUSART < 1
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# undef CONFIG_STM32H7_USART1
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#endif
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/* Is there a USART enabled? */
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#if defined(CONFIG_STM32H7_USART1) || defined(CONFIG_STM32H7_USART2) || \
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defined(CONFIG_STM32H7_USART3) || defined(CONFIG_STM32H7_UART4) || \
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defined(CONFIG_STM32H7_UART5) || defined(CONFIG_STM32H7_USART6) || \
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defined(CONFIG_STM32H7_UART7) || defined(CONFIG_STM32H7_UART8)
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# define HAVE_UART 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_STM32H7_USART1)
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# undef CONFIG_USART2_SERIAL_CONSOLE
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# undef CONFIG_USART3_SERIAL_CONSOLE
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# undef CONFIG_UART4_SERIAL_CONSOLE
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# undef CONFIG_UART5_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_UART7_SERIAL_CONSOLE
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# undef CONFIG_UART8_SERIAL_CONSOLE
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# define CONSOLE_UART 1
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# define HAVE_CONSOLE 1
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#elif defined(CONFIG_USART2_SERIAL_CONSOLE) && defined(CONFIG_STM32H7_USART2)
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# undef CONFIG_USART1_SERIAL_CONSOLE
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# undef CONFIG_USART3_SERIAL_CONSOLE
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# undef CONFIG_UART4_SERIAL_CONSOLE
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# undef CONFIG_UART5_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_UART7_SERIAL_CONSOLE
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# undef CONFIG_UART8_SERIAL_CONSOLE
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# define CONSOLE_UART 2
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# define HAVE_CONSOLE 1
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#elif defined(CONFIG_USART3_SERIAL_CONSOLE) && defined(CONFIG_STM32H7_USART3)
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# undef CONFIG_USART1_SERIAL_CONSOLE
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# undef CONFIG_USART2_SERIAL_CONSOLE
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# undef CONFIG_UART4_SERIAL_CONSOLE
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# undef CONFIG_UART5_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_UART7_SERIAL_CONSOLE
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# undef CONFIG_UART8_SERIAL_CONSOLE
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# define CONSOLE_UART 3
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# define HAVE_CONSOLE 1
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#elif defined(CONFIG_UART4_SERIAL_CONSOLE) && defined(CONFIG_STM32H7_UART4)
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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_UART5_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_UART7_SERIAL_CONSOLE
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# undef CONFIG_UART8_SERIAL_CONSOLE
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# define CONSOLE_UART 4
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# define HAVE_CONSOLE 1
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#elif defined(CONFIG_UART5_SERIAL_CONSOLE) && defined(CONFIG_STM32H7_UART5)
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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_UART4_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_UART7_SERIAL_CONSOLE
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# undef CONFIG_UART8_SERIAL_CONSOLE
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# define CONSOLE_UART 5
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# define HAVE_CONSOLE 1
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#elif defined(CONFIG_USART6_SERIAL_CONSOLE) && defined(CONFIG_STM32H7_USART6)
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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_UART4_SERIAL_CONSOLE
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# undef CONFIG_UART5_SERIAL_CONSOLE
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# undef CONFIG_UART7_SERIAL_CONSOLE
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# undef CONFIG_UART8_SERIAL_CONSOLE
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# define CONSOLE_UART 6
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# define HAVE_CONSOLE 1
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#elif defined(CONFIG_UART7_SERIAL_CONSOLE) && defined(CONFIG_STM32H7_UART7)
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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_UART4_SERIAL_CONSOLE
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# undef CONFIG_UART5_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_UART8_SERIAL_CONSOLE
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# define CONSOLE_UART 7
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# define HAVE_CONSOLE 1
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#elif defined(CONFIG_UART8_SERIAL_CONSOLE) && defined(CONFIG_STM32H7_UART8)
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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_UART4_SERIAL_CONSOLE
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# undef CONFIG_UART5_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_UART7_SERIAL_CONSOLE
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# define CONSOLE_UART 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_UART4_SERIAL_CONSOLE
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# undef CONFIG_UART5_SERIAL_CONSOLE
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# undef CONFIG_USART6_SERIAL_CONSOLE
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# undef CONFIG_UART7_SERIAL_CONSOLE
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# undef CONFIG_UART8_SERIAL_CONSOLE
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# define CONSOLE_UART 0
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# undef HAVE_CONSOLE
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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_UART4_RS485) || \
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defined(CONFIG_UART5_RS485) || defined(CONFIG_USART6_RS485) || \
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defined(CONFIG_UART7_RS485) || defined(CONFIG_UART8_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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* Public Data
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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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/************************************************************************************
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* Public Functions Prototypes
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************************************************************************************/
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/************************************************************************************
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* Name: stm32_serial_get_uart
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*
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* Description:
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* Get serial driver structure for STM32 USART
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*
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************************************************************************************/
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FAR uart_dev_t *stm32_serial_get_uart(int uart_num);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_ARM_SRC_STM32H7_STM32_UART_H */
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