/**************************************************************************** * boards/arm/stm32/nucleo-f4x1re/include/board.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 __BOARDS_ARM_STM32_NUCLEO_F401RE_INCLUDE_BOARD_H #define __BOARDS_ARM_STM32_NUCLEO_F401RE_INCLUDE_BOARD_H /**************************************************************************** * Included Files ****************************************************************************/ #include #ifndef __ASSEMBLY__ # include #endif /* Clocking *****************************************************************/ #if defined(CONFIG_ARCH_CHIP_STM32F401RE) # include #elif defined(CONFIG_ARCH_CHIP_STM32F411RE) # include #endif /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* DMA Channel/Stream Selections ********************************************/ /* Stream selections are arbitrary for now but might become important in * the future is we set aside more DMA channels/streams. * * SDIO DMA *   DMAMAP_SDIO_1 = Channel 4, Stream 3 <- may later be used by SPI DMA *   DMAMAP_SDIO_2 = Channel 4, Stream 6 */ #define DMAMAP_SDIO DMAMAP_SDIO_1 /* Need to VERIFY fwb */ #define DMACHAN_SPI1_RX DMAMAP_SPI1_RX_1 #define DMACHAN_SPI1_TX DMAMAP_SPI1_TX_1 #define DMACHAN_SPI2_RX DMAMAP_SPI2_RX #define DMACHAN_SPI2_TX DMAMAP_SPI2_TX /* Alternate function pin selections ****************************************/ /* USART1: * RXD: PA10 CN9 pin 3, CN10 pin 33 * PB7 CN7 pin 21 * TXD: PA9 CN5 pin 1, CN10 pin 21 * PB6 CN5 pin 3, CN10 pin 17 */ #if 1 # define GPIO_USART1_RX GPIO_USART1_RX_1 /* PA10 */ # define GPIO_USART1_TX GPIO_USART1_TX_1 /* PA9 */ #else # define GPIO_USART1_RX GPIO_USART1_RX_2 /* PB7 */ # define GPIO_USART1_TX GPIO_USART1_TX_2 /* PB6 */ #endif /* USART2: * RXD: PA3 CN9 pin 1 (See SB13, 14, 62, 63). CN10 pin 37 * PD6 * TXD: PA2 CN9 pin 2(See SB13, 14, 62, 63). CN10 pin 35 * PD5 */ #define GPIO_USART2_RX GPIO_USART2_RX_1 /* PA3 */ #define GPIO_USART2_TX GPIO_USART2_TX_1 /* PA2 */ #define GPIO_USART2_RTS GPIO_USART2_RTS_2 #define GPIO_USART2_CTS GPIO_USART2_CTS_2 /* USART6: * RXD: PC7 CN5 pin2, CN10 pin 19 * PA12 CN10, pin 12 * TXD: PC6 CN10, pin 4 * PA11 CN10, pin 14 */ #define GPIO_USART6_RX GPIO_USART6_RX_1 /* PC7 */ #define GPIO_USART6_TX GPIO_USART6_TX_1 /* PC6 */ /* UART RX DMA configurations */ #define DMAMAP_USART1_RX DMAMAP_USART1_RX_2 #define DMAMAP_USART6_RX DMAMAP_USART6_RX_2 /* I2C * * The optional _GPIO configurations allow the I2C driver to manually * reset the bus to clear stuck slaves. They match the pin configuration, * but are normally-high GPIOs. */ #define GPIO_I2C1_SCL GPIO_I2C1_SCL_2 #define GPIO_I2C1_SDA GPIO_I2C1_SDA_2 #define GPIO_I2C1_SCL_GPIO \ (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN8) #define GPIO_I2C1_SDA_GPIO \ (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN9) #define GPIO_I2C2_SCL GPIO_I2C2_SCL_1 #define GPIO_I2C2_SDA GPIO_I2C2_SDA_1 #define GPIO_I2C2_SCL_GPIO \ (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN10) #define GPIO_I2C2_SDA_GPIO \ (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN11) /* SPI * * There are sensors on SPI1, and SPI2 is connected to the FRAM. */ #define GPIO_SPI1_MISO GPIO_SPI1_MISO_1 #define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_1 #define GPIO_SPI1_SCK GPIO_SPI1_SCK_1 #define GPIO_SPI2_MISO GPIO_SPI2_MISO_1 #define GPIO_SPI2_MOSI GPIO_SPI2_MOSI_1 #define GPIO_SPI2_SCK GPIO_SPI2_SCK_2 /* LEDs * * The Nucleo F401RE and F411RE boards provide a single user LED, LD2. LD2 * is the green LED connected to Arduino signal D13 corresponding to MCU I/O * PA5 (pin 21) or PB13 (pin 34) depending on the STM32 target. * * - When the I/O is HIGH value, the LED is on. * - When the I/O is LOW, the LED is off. */ /* LED index values for use with board_userled() */ #define BOARD_LD2 0 #define BOARD_NLEDS 1 /* LED bits for use with board_userled_all() */ #define BOARD_LD2_BIT (1 << BOARD_LD2) /* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is * defined. In that case, the usage by the board port is defined in * include/board.h and src/sam_leds.c. The LEDs are used to encode OS-related * events as follows when the red LED (PE24) is available: * * SYMBOL Meaning LD2 * ------------------- ----------------------- ----------- * LED_STARTED NuttX has been started OFF * LED_HEAPALLOCATE Heap has been allocated OFF * LED_IRQSENABLED Interrupts enabled OFF * LED_STACKCREATED Idle stack created ON * LED_INIRQ In an interrupt No change * LED_SIGNAL In a signal handler No change * LED_ASSERTION An assertion failed No change * LED_PANIC The system has crashed Blinking * LED_IDLE MCU is is sleep mode Not used * * Thus if LD2, NuttX has successfully booted and is, apparently, running * normally. If LD2 is flashing at approximately 2Hz, then a fatal error * has been detected and the system has halted. */ #define LED_STARTED 0 #define LED_HEAPALLOCATE 0 #define LED_IRQSENABLED 0 #define LED_STACKCREATED 1 #define LED_INIRQ 2 #define LED_SIGNAL 2 #define LED_ASSERTION 2 #define LED_PANIC 1 /* Buttons * * B1 USER: * the user button is connected to the I/O PC13 (pin 2) of the STM32 * microcontroller. */ #define BUTTON_USER 0 #define NUM_BUTTONS 1 #define BUTTON_USER_BIT (1 << BUTTON_USER) #define GPIO_TIM2_CH1IN (GPIO_TIM2_CH1IN_1 | GPIO_PULLUP) #define GPIO_TIM2_CH2IN (GPIO_TIM2_CH2IN_1 | GPIO_PULLUP) #endif /* __BOARDS_ARM_STM32_NUCLEO_F401RE_INCLUDE_BOARD_H */