208 lines
6.9 KiB
C
208 lines
6.9 KiB
C
/****************************************************************************
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* boards/arm/stm32/nucleo-f4x1re/include/board.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_STM32_NUCLEO_F401RE_INCLUDE_BOARD_H
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#define __BOARDS_ARM_STM32_NUCLEO_F401RE_INCLUDE_BOARD_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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#ifndef __ASSEMBLY__
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# include <stdint.h>
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#endif
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/* Clocking *****************************************************************/
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#if defined(CONFIG_ARCH_CHIP_STM32F401RE)
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# include <arch/board/nucleo-f401re.h>
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#elif defined(CONFIG_ARCH_CHIP_STM32F411RE)
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# include <arch/board/nucleo-f411re.h>
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#endif
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* DMA Channel/Stream Selections ********************************************/
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/* Stream selections are arbitrary for now but might become important in
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* the future is we set aside more DMA channels/streams.
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*
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* SDIO DMA
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* DMAMAP_SDIO_1 = Channel 4, Stream 3 <- may later be used by SPI DMA
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* DMAMAP_SDIO_2 = Channel 4, Stream 6
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*/
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#define DMAMAP_SDIO DMAMAP_SDIO_1
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/* Need to VERIFY fwb */
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#define DMACHAN_SPI1_RX DMAMAP_SPI1_RX_1
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#define DMACHAN_SPI1_TX DMAMAP_SPI1_TX_1
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#define DMACHAN_SPI2_RX DMAMAP_SPI2_RX
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#define DMACHAN_SPI2_TX DMAMAP_SPI2_TX
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/* Alternate function pin selections ****************************************/
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/* USART1:
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* RXD: PA10 CN9 pin 3, CN10 pin 33
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* PB7 CN7 pin 21
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* TXD: PA9 CN5 pin 1, CN10 pin 21
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* PB6 CN5 pin 3, CN10 pin 17
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*/
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#if 1
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# define GPIO_USART1_RX GPIO_USART1_RX_1 /* PA10 */
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# define GPIO_USART1_TX GPIO_USART1_TX_1 /* PA9 */
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#else
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# define GPIO_USART1_RX GPIO_USART1_RX_2 /* PB7 */
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# define GPIO_USART1_TX GPIO_USART1_TX_2 /* PB6 */
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#endif
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/* USART2:
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* RXD: PA3 CN9 pin 1 (See SB13, 14, 62, 63). CN10 pin 37
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* PD6
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* TXD: PA2 CN9 pin 2(See SB13, 14, 62, 63). CN10 pin 35
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* PD5
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*/
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#define GPIO_USART2_RX GPIO_USART2_RX_1 /* PA3 */
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#define GPIO_USART2_TX GPIO_USART2_TX_1 /* PA2 */
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#define GPIO_USART2_RTS GPIO_USART2_RTS_2
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#define GPIO_USART2_CTS GPIO_USART2_CTS_2
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/* USART6:
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* RXD: PC7 CN5 pin2, CN10 pin 19
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* PA12 CN10, pin 12
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* TXD: PC6 CN10, pin 4
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* PA11 CN10, pin 14
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*/
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#define GPIO_USART6_RX GPIO_USART6_RX_1 /* PC7 */
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#define GPIO_USART6_TX GPIO_USART6_TX_1 /* PC6 */
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/* UART RX DMA configurations */
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#define DMAMAP_USART1_RX DMAMAP_USART1_RX_2
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#define DMAMAP_USART6_RX DMAMAP_USART6_RX_2
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/* I2C
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*
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* The optional _GPIO configurations allow the I2C driver to manually
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* reset the bus to clear stuck slaves. They match the pin configuration,
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* but are normally-high GPIOs.
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*/
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#define GPIO_I2C1_SCL GPIO_I2C1_SCL_2
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#define GPIO_I2C1_SDA GPIO_I2C1_SDA_2
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#define GPIO_I2C1_SCL_GPIO \
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(GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN8)
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#define GPIO_I2C1_SDA_GPIO \
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(GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN9)
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#define GPIO_I2C2_SCL GPIO_I2C2_SCL_1
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#define GPIO_I2C2_SDA GPIO_I2C2_SDA_1
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#define GPIO_I2C2_SCL_GPIO \
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(GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN10)
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#define GPIO_I2C2_SDA_GPIO \
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(GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN11)
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/* SPI
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*
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* There are sensors on SPI1, and SPI2 is connected to the FRAM.
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*/
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#define GPIO_SPI1_MISO GPIO_SPI1_MISO_1
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#define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_1
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#define GPIO_SPI1_SCK GPIO_SPI1_SCK_1
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#define GPIO_SPI2_MISO GPIO_SPI2_MISO_1
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#define GPIO_SPI2_MOSI GPIO_SPI2_MOSI_1
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#define GPIO_SPI2_SCK GPIO_SPI2_SCK_2
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/* LEDs
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*
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* The Nucleo F401RE and F411RE boards provide a single user LED, LD2. LD2
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* is the green LED connected to Arduino signal D13 corresponding to MCU I/O
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* PA5 (pin 21) or PB13 (pin 34) depending on the STM32 target.
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*
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* - When the I/O is HIGH value, the LED is on.
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* - When the I/O is LOW, the LED is off.
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*/
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/* LED index values for use with board_userled() */
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#define BOARD_LD2 0
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#define BOARD_NLEDS 1
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/* LED bits for use with board_userled_all() */
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#define BOARD_LD2_BIT (1 << BOARD_LD2)
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/* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
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* defined. In that case, the usage by the board port is defined in
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* include/board.h and src/sam_leds.c. The LEDs are used to encode OS-related
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* events as follows when the red LED (PE24) is available:
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*
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* SYMBOL Meaning LD2
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* ------------------- ----------------------- -----------
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* LED_STARTED NuttX has been started OFF
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* LED_HEAPALLOCATE Heap has been allocated OFF
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* LED_IRQSENABLED Interrupts enabled OFF
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* LED_STACKCREATED Idle stack created ON
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* LED_INIRQ In an interrupt No change
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* LED_SIGNAL In a signal handler No change
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* LED_ASSERTION An assertion failed No change
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* LED_PANIC The system has crashed Blinking
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* LED_IDLE MCU is is sleep mode Not used
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*
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* Thus if LD2, NuttX has successfully booted and is, apparently, running
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* normally. If LD2 is flashing at approximately 2Hz, then a fatal error
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* has been detected and the system has halted.
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*/
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#define LED_STARTED 0
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#define LED_HEAPALLOCATE 0
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#define LED_IRQSENABLED 0
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#define LED_STACKCREATED 1
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#define LED_INIRQ 2
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#define LED_SIGNAL 2
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#define LED_ASSERTION 2
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#define LED_PANIC 1
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/* Buttons
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*
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* B1 USER:
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* the user button is connected to the I/O PC13 (pin 2) of the STM32
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* microcontroller.
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*/
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#define BUTTON_USER 0
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#define NUM_BUTTONS 1
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#define BUTTON_USER_BIT (1 << BUTTON_USER)
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#define GPIO_TIM2_CH1IN (GPIO_TIM2_CH1IN_1 | GPIO_PULLUP)
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#define GPIO_TIM2_CH2IN (GPIO_TIM2_CH2IN_1 | GPIO_PULLUP)
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#endif /* __BOARDS_ARM_STM32_NUCLEO_F401RE_INCLUDE_BOARD_H */
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