| /**************************************************************************** |
| * arch/arm/src/stm32f7/stm32_uart.h |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. The |
| * ASF licenses this file to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations |
| * under the License. |
| * |
| ****************************************************************************/ |
| |
| #ifndef __ARCH_ARM_SRC_STM32F7_STM32_UART_H |
| #define __ARCH_ARM_SRC_STM32F7_STM32_UART_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| #include <nuttx/serial/serial.h> |
| |
| #include "hardware/stm32_uart.h" |
| |
| /**************************************************************************** |
| * Pre-processor Definitions |
| ****************************************************************************/ |
| |
| /* Make sure that we have not enabled more U[S]ARTs than are supported by the |
| * device. |
| */ |
| |
| #if STM32F7_NUART < 4 |
| # undef CONFIG_STM32F7_UART8 |
| #endif |
| #if STM32F7_NUART < 3 |
| # undef CONFIG_STM32F7_UART7 |
| #endif |
| #if STM32F7_NUART < 2 |
| # undef CONFIG_STM32F7_UART5 |
| #endif |
| #if STM32F7_NUART < 1 |
| # undef CONFIG_STM32F7_UART4 |
| #endif |
| |
| #if STM32F7_NUSART < 4 |
| # undef CONFIG_STM32F7_USART6 |
| #endif |
| #if STM32F7_NUSART < 3 |
| # undef CONFIG_STM32F7_USART3 |
| #endif |
| #if STM32F7_NUSART < 2 |
| # undef CONFIG_STM32F7_USART2 |
| #endif |
| #if STM32F7_NUSART < 1 |
| # undef CONFIG_STM32F7_USART1 |
| #endif |
| |
| /* Is there a USART enabled? */ |
| |
| #if defined(CONFIG_STM32F7_USART1) || defined(CONFIG_STM32F7_USART2) || \ |
| defined(CONFIG_STM32F7_USART3) || defined(CONFIG_STM32F7_UART4) || \ |
| defined(CONFIG_STM32F7_UART5) || defined(CONFIG_STM32F7_USART6) || \ |
| defined(CONFIG_STM32F7_UART7) || defined(CONFIG_STM32F7_UART8) |
| # define HAVE_UART 1 |
| #endif |
| |
| /* Is there a serial console? */ |
| |
| #if defined(CONFIG_USART1_SERIAL_CONSOLE) && defined(CONFIG_STM32F7_USART1) |
| # undef CONFIG_USART2_SERIAL_CONSOLE |
| # undef CONFIG_USART3_SERIAL_CONSOLE |
| # undef CONFIG_UART4_SERIAL_CONSOLE |
| # undef CONFIG_UART5_SERIAL_CONSOLE |
| # undef CONFIG_USART6_SERIAL_CONSOLE |
| # undef CONFIG_UART7_SERIAL_CONSOLE |
| # undef CONFIG_UART8_SERIAL_CONSOLE |
| # define CONSOLE_UART 1 |
| # define HAVE_CONSOLE 1 |
| #elif defined(CONFIG_USART2_SERIAL_CONSOLE) && defined(CONFIG_STM32F7_USART2) |
| # undef CONFIG_USART1_SERIAL_CONSOLE |
| # undef CONFIG_USART3_SERIAL_CONSOLE |
| # undef CONFIG_UART4_SERIAL_CONSOLE |
| # undef CONFIG_UART5_SERIAL_CONSOLE |
| # undef CONFIG_USART6_SERIAL_CONSOLE |
| # undef CONFIG_UART7_SERIAL_CONSOLE |
| # undef CONFIG_UART8_SERIAL_CONSOLE |
| # define CONSOLE_UART 2 |
| # define HAVE_CONSOLE 1 |
| #elif defined(CONFIG_USART3_SERIAL_CONSOLE) && defined(CONFIG_STM32F7_USART3) |
| # undef CONFIG_USART1_SERIAL_CONSOLE |
| # undef CONFIG_USART2_SERIAL_CONSOLE |
| # undef CONFIG_UART4_SERIAL_CONSOLE |
| # undef CONFIG_UART5_SERIAL_CONSOLE |
| # undef CONFIG_USART6_SERIAL_CONSOLE |
| # undef CONFIG_UART7_SERIAL_CONSOLE |
| # undef CONFIG_UART8_SERIAL_CONSOLE |
| # define CONSOLE_UART 3 |
| # define HAVE_CONSOLE 1 |
| #elif defined(CONFIG_UART4_SERIAL_CONSOLE) && defined(CONFIG_STM32F7_UART4) |
| # undef CONFIG_USART1_SERIAL_CONSOLE |
| # undef CONFIG_USART2_SERIAL_CONSOLE |
| # undef CONFIG_USART3_SERIAL_CONSOLE |
| # undef CONFIG_UART5_SERIAL_CONSOLE |
| # undef CONFIG_USART6_SERIAL_CONSOLE |
| # undef CONFIG_UART7_SERIAL_CONSOLE |
| # undef CONFIG_UART8_SERIAL_CONSOLE |
| # define CONSOLE_UART 4 |
| # define HAVE_CONSOLE 1 |
| #elif defined(CONFIG_UART5_SERIAL_CONSOLE) && defined(CONFIG_STM32F7_UART5) |
| # undef CONFIG_USART1_SERIAL_CONSOLE |
| # undef CONFIG_USART2_SERIAL_CONSOLE |
| # undef CONFIG_USART3_SERIAL_CONSOLE |
| # undef CONFIG_UART4_SERIAL_CONSOLE |
| # undef CONFIG_USART6_SERIAL_CONSOLE |
| # undef CONFIG_UART7_SERIAL_CONSOLE |
| # undef CONFIG_UART8_SERIAL_CONSOLE |
| # define CONSOLE_UART 5 |
| # define HAVE_CONSOLE 1 |
| #elif defined(CONFIG_USART6_SERIAL_CONSOLE) && defined(CONFIG_STM32F7_USART6) |
| # undef CONFIG_USART1_SERIAL_CONSOLE |
| # undef CONFIG_USART2_SERIAL_CONSOLE |
| # undef CONFIG_USART3_SERIAL_CONSOLE |
| # undef CONFIG_UART4_SERIAL_CONSOLE |
| # undef CONFIG_UART5_SERIAL_CONSOLE |
| # undef CONFIG_UART7_SERIAL_CONSOLE |
| # undef CONFIG_UART8_SERIAL_CONSOLE |
| # define CONSOLE_UART 6 |
| # define HAVE_CONSOLE 1 |
| #elif defined(CONFIG_UART7_SERIAL_CONSOLE) && defined(CONFIG_STM32F7_UART7) |
| # undef CONFIG_USART1_SERIAL_CONSOLE |
| # undef CONFIG_USART2_SERIAL_CONSOLE |
| # undef CONFIG_USART3_SERIAL_CONSOLE |
| # undef CONFIG_UART4_SERIAL_CONSOLE |
| # undef CONFIG_UART5_SERIAL_CONSOLE |
| # undef CONFIG_USART6_SERIAL_CONSOLE |
| # undef CONFIG_UART8_SERIAL_CONSOLE |
| # define CONSOLE_UART 7 |
| # define HAVE_CONSOLE 1 |
| #elif defined(CONFIG_UART8_SERIAL_CONSOLE) && defined(CONFIG_STM32F7_UART8) |
| # undef CONFIG_USART1_SERIAL_CONSOLE |
| # undef CONFIG_USART2_SERIAL_CONSOLE |
| # undef CONFIG_USART3_SERIAL_CONSOLE |
| # undef CONFIG_UART4_SERIAL_CONSOLE |
| # undef CONFIG_UART5_SERIAL_CONSOLE |
| # undef CONFIG_USART6_SERIAL_CONSOLE |
| # undef CONFIG_UART7_SERIAL_CONSOLE |
| # define CONSOLE_UART 8 |
| # define HAVE_CONSOLE 1 |
| #else |
| # undef CONFIG_USART1_SERIAL_CONSOLE |
| # undef CONFIG_USART2_SERIAL_CONSOLE |
| # undef CONFIG_USART3_SERIAL_CONSOLE |
| # undef CONFIG_UART4_SERIAL_CONSOLE |
| # undef CONFIG_UART5_SERIAL_CONSOLE |
| # undef CONFIG_USART6_SERIAL_CONSOLE |
| # undef CONFIG_UART7_SERIAL_CONSOLE |
| # undef CONFIG_UART8_SERIAL_CONSOLE |
| # define CONSOLE_UART 0 |
| # undef HAVE_CONSOLE |
| #endif |
| |
| /* DMA support is only provided if CONFIG_ARCH_DMA is in the NuttX |
| * configuration |
| */ |
| |
| #if !defined(HAVE_UART) || !defined(CONFIG_ARCH_DMA) |
| # undef CONFIG_USART1_RXDMA |
| # undef CONFIG_USART1_TXDMA |
| # undef CONFIG_USART2_RXDMA |
| # undef CONFIG_USART2_TXDMA |
| # undef CONFIG_USART3_RXDMA |
| # undef CONFIG_USART3_TXDMA |
| # undef CONFIG_UART4_RXDMA |
| # undef CONFIG_UART4_TXDMA |
| # undef CONFIG_UART5_RXDMA |
| # undef CONFIG_UART5_TXDMA |
| # undef CONFIG_USART6_RXDMA |
| # undef CONFIG_USART6_TXDMA |
| # undef CONFIG_UART7_RXDMA |
| # undef CONFIG_UART7_TXDMA |
| # undef CONFIG_UART8_RXDMA |
| # undef CONFIG_UART8_TXDMA |
| #endif |
| |
| /* Disable the DMA configuration on all unused USARTs */ |
| |
| #ifndef CONFIG_STM32F7_USART1 |
| # undef CONFIG_USART1_RXDMA |
| # undef CONFIG_USART1_TXDMA |
| #endif |
| |
| #ifndef CONFIG_STM32F7_USART2 |
| # undef CONFIG_USART2_RXDMA |
| # undef CONFIG_USART2_TXDMA |
| #endif |
| |
| #ifndef CONFIG_STM32F7_USART3 |
| # undef CONFIG_USART3_RXDMA |
| # undef CONFIG_USART3_TXDMA |
| #endif |
| |
| #ifndef CONFIG_STM32F7_UART4 |
| # undef CONFIG_UART4_RXDMA |
| # undef CONFIG_UART4_TXDMA |
| #endif |
| |
| #ifndef CONFIG_STM32F7_UART5 |
| # undef CONFIG_UART5_RXDMA |
| # undef CONFIG_UART5_TXDMA |
| #endif |
| |
| #ifndef CONFIG_STM32F7_USART6 |
| # undef CONFIG_USART6_RXDMA |
| # undef CONFIG_USART6_TXDMA |
| #endif |
| |
| #ifndef CONFIG_STM32F7_UART7 |
| # undef CONFIG_UART7_RXDMA |
| # undef CONFIG_UART7_TXDMA |
| #endif |
| |
| #ifndef CONFIG_STM32F7_UART8 |
| # undef CONFIG_UART8_RXDMA |
| # undef CONFIG_UART8_TXDMA |
| #endif |
| |
| /* Is RX DMA available on any (enabled) USART? */ |
| |
| #undef SERIAL_HAVE_RXDMA |
| #if defined(CONFIG_USART1_RXDMA) || defined(CONFIG_USART2_RXDMA) || \ |
| defined(CONFIG_USART3_RXDMA) || defined(CONFIG_UART4_RXDMA) || \ |
| defined(CONFIG_UART5_RXDMA) || defined(CONFIG_USART6_RXDMA) || \ |
| defined(CONFIG_UART7_RXDMA) || defined(CONFIG_UART8_RXDMA) |
| # define SERIAL_HAVE_RXDMA 1 |
| #endif |
| |
| /* Is TX DMA available on any (enabled) USART? */ |
| |
| #undef SERIAL_HAVE_TXDMA |
| #if defined(CONFIG_USART1_TXDMA) || defined(CONFIG_USART2_TXDMA) || \ |
| defined(CONFIG_USART3_TXDMA) || defined(CONFIG_UART4_TXDMA) || \ |
| defined(CONFIG_UART5_TXDMA) || defined(CONFIG_USART6_TXDMA) || \ |
| defined(CONFIG_UART7_TXDMA) || defined(CONFIG_UART8_TXDMA) |
| # define SERIAL_HAVE_TXDMA 1 |
| #endif |
| |
| /* Is RX DMA used on the console UART? */ |
| |
| #undef SERIAL_HAVE_CONSOLE_RXDMA |
| #if defined(CONFIG_USART1_SERIAL_CONSOLE) && defined(CONFIG_USART1_RXDMA) |
| # define SERIAL_HAVE_CONSOLE_RXDMA 1 |
| #elif defined(CONFIG_USART2_SERIAL_CONSOLE) && defined(CONFIG_USART2_RXDMA) |
| # define SERIAL_HAVE_CONSOLE_RXDMA 1 |
| #elif defined(CONFIG_USART3_SERIAL_CONSOLE) && defined(CONFIG_USART3_RXDMA) |
| # define SERIAL_HAVE_CONSOLE_RXDMA 1 |
| #elif defined(CONFIG_UART4_SERIAL_CONSOLE) && defined(CONFIG_UART4_RXDMA) |
| # define SERIAL_HAVE_CONSOLE_RXDMA 1 |
| #elif defined(CONFIG_UART5_SERIAL_CONSOLE) && defined(CONFIG_UART5_RXDMA) |
| # define SERIAL_HAVE_CONSOLE_RXDMA 1 |
| #elif defined(CONFIG_USART6_SERIAL_CONSOLE) && defined(CONFIG_USART6_RXDMA) |
| # define SERIAL_HAVE_CONSOLE_RXDMA 1 |
| #elif defined(CONFIG_UART7_SERIAL_CONSOLE) && defined(CONFIG_UART7_RXDMA) |
| # define SERIAL_HAVE_CONSOLE_RXDMA 1 |
| #elif defined(CONFIG_UART8_SERIAL_CONSOLE) && defined(CONFIG_UART8_RXDMA) |
| # define SERIAL_HAVE_CONSOLE_RXDMA 1 |
| #endif |
| |
| /* Is TX DMA used on the console UART? */ |
| |
| #undef SERIAL_HAVE_CONSOLE_TXDMA |
| #if defined(CONFIG_USART1_SERIAL_CONSOLE) && defined(CONFIG_USART1_TXDMA) |
| # define SERIAL_HAVE_CONSOLE_TXDMA 1 |
| #elif defined(CONFIG_USART2_SERIAL_CONSOLE) && defined(CONFIG_USART2_TXDMA) |
| # define SERIAL_HAVE_CONSOLE_TXDMA 1 |
| #elif defined(CONFIG_USART3_SERIAL_CONSOLE) && defined(CONFIG_USART3_TXDMA) |
| # define SERIAL_HAVE_CONSOLE_TXDMA 1 |
| #elif defined(CONFIG_UART4_SERIAL_CONSOLE) && defined(CONFIG_UART4_TXDMA) |
| # define SERIAL_HAVE_CONSOLE_TXDMA 1 |
| #elif defined(CONFIG_UART5_SERIAL_CONSOLE) && defined(CONFIG_UART5_TXDMA) |
| # define SERIAL_HAVE_CONSOLE_TXDMA 1 |
| #elif defined(CONFIG_USART6_SERIAL_CONSOLE) && defined(CONFIG_USART6_TXDMA) |
| # define SERIAL_HAVE_CONSOLE_TXDMA 1 |
| #elif defined(CONFIG_UART7_SERIAL_CONSOLE) && defined(CONFIG_UART7_TXDMA) |
| # define SERIAL_HAVE_CONSOLE_TXDMA 1 |
| #elif defined(CONFIG_UART8_SERIAL_CONSOLE) && defined(CONFIG_UART8_TXDMA) |
| # define SERIAL_HAVE_CONSOLE_TXDMA 1 |
| #endif |
| |
| /* Is RX DMA used on all (enabled) USARTs */ |
| |
| #define SERIAL_HAVE_ONLY_RXDMA 1 |
| #if defined(CONFIG_STM32F7_USART1) && !defined(CONFIG_USART1_RXDMA) |
| # undef SERIAL_HAVE_ONLY_RXDMA |
| #elif defined(CONFIG_STM32F7_USART2) && !defined(CONFIG_USART2_RXDMA) |
| # undef SERIAL_HAVE_ONLY_RXDMA |
| #elif defined(CONFIG_STM32F7_USART3) && !defined(CONFIG_USART3_RXDMA) |
| # undef SERIAL_HAVE_ONLY_RXDMA |
| #elif defined(CONFIG_STM32F7_UART4) && !defined(CONFIG_UART4_RXDMA) |
| # undef SERIAL_HAVE_ONLY_RXDMA |
| #elif defined(CONFIG_STM32F7_UART5) && !defined(CONFIG_UART5_RXDMA) |
| # undef SERIAL_HAVE_ONLY_RXDMA |
| #elif defined(CONFIG_STM32F7_USART6) && !defined(CONFIG_USART6_RXDMA) |
| # undef SERIAL_HAVE_ONLY_RXDMA |
| #elif defined(CONFIG_STM32F7_UART7) && !defined(CONFIG_UART7_RXDMA) |
| # undef SERIAL_HAVE_ONLY_RXDMA |
| #elif defined(CONFIG_STM32F7_UART8) && !defined(CONFIG_UART8_RXDMA) |
| # undef SERIAL_HAVE_ONLY_RXDMA |
| #endif |
| |
| /* Is TX DMA used on all (enabled) USARTs */ |
| |
| #define SERIAL_HAVE_ONLY_TXDMA 1 |
| #if defined(CONFIG_STM32F7_USART1) && !defined(CONFIG_USART1_TXDMA) |
| # undef SERIAL_HAVE_ONLY_TXDMA |
| #elif defined(CONFIG_STM32F7_USART2) && !defined(CONFIG_USART2_TXDMA) |
| # undef SERIAL_HAVE_ONLY_TXDMA |
| #elif defined(CONFIG_STM32F7_USART3) && !defined(CONFIG_USART3_TXDMA) |
| # undef SERIAL_HAVE_ONLY_TXDMA |
| #elif defined(CONFIG_STM32F7_UART4) && !defined(CONFIG_UART4_TXDMA) |
| # undef SERIAL_HAVE_ONLY_TXDMA |
| #elif defined(CONFIG_STM32F7_UART5) && !defined(CONFIG_UART5_TXDMA) |
| # undef SERIAL_HAVE_ONLY_TXDMA |
| #elif defined(CONFIG_STM32F7_USART6) && !defined(CONFIG_USART6_TXDMA) |
| # undef SERIAL_HAVE_ONLY_TXDMA |
| #elif defined(CONFIG_STM32F7_UART7) && !defined(CONFIG_UART7_TXDMA) |
| # undef SERIAL_HAVE_ONLY_TXDMA |
| #elif defined(CONFIG_STM32F7_UART8) && !defined(CONFIG_UART8_TXDMA) |
| # undef SERIAL_HAVE_ONLY_TXDMA |
| #endif |
| |
| #undef SERIAL_HAVE_ONLY_DMA |
| #if defined(SERIAL_HAVE_ONLY_RXDMA) && defined(SERIAL_HAVE_ONLY_TXDMA) |
| #define SERIAL_HAVE_ONLY_DMA |
| #endif |
| /* Is RS-485 used? */ |
| |
| #if defined(CONFIG_USART1_RS485) || defined(CONFIG_USART2_RS485) || \ |
| defined(CONFIG_USART3_RS485) || defined(CONFIG_UART4_RS485) || \ |
| defined(CONFIG_UART5_RS485) || defined(CONFIG_USART6_RS485) || \ |
| defined(CONFIG_UART7_RS485) || defined(CONFIG_UART8_RS485) |
| # define HAVE_RS485 1 |
| #endif |
| |
| #ifdef HAVE_RS485 |
| # define USART_CR1_USED_INTS (USART_CR1_RXNEIE | USART_CR1_TXEIE | USART_CR1_PEIE | USART_CR1_TCIE) |
| #else |
| # define USART_CR1_USED_INTS (USART_CR1_RXNEIE | USART_CR1_TXEIE | USART_CR1_PEIE) |
| #endif |
| |
| /**************************************************************************** |
| * Public Types |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Public Data |
| ****************************************************************************/ |
| |
| #ifndef __ASSEMBLY__ |
| |
| #undef EXTERN |
| #if defined(__cplusplus) |
| #define EXTERN extern "C" |
| extern "C" |
| { |
| #else |
| #define EXTERN extern |
| #endif |
| |
| /**************************************************************************** |
| * Public Functions Prototypes |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Name: stm32_serial_dma_poll |
| * |
| * Description: |
| * Must be called periodically if any STM32 UART is configured for DMA. |
| * The DMA 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 multiple of half the FIFO size. |
| * |
| * May be safely called from either interrupt or thread context. |
| * |
| ****************************************************************************/ |
| |
| #ifdef SERIAL_HAVE_RXDMA |
| void stm32_serial_dma_poll(void); |
| #endif |
| |
| #undef EXTERN |
| #if defined(__cplusplus) |
| } |
| #endif |
| |
| #endif /* __ASSEMBLY__ */ |
| #endif /* __ARCH_ARM_SRC_STM32F7_STM32_UART_H */ |
