| /**************************************************************************** |
| * boards/arm/stm32l4/nucleo-l476rg/include/board.h |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * 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_STM32L4_NUCLEO_L476RG_INCLUDE_BOARD_H |
| #define __BOARDS_ARM_STM32L4_NUCLEO_L476RG_INCLUDE_BOARD_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| #ifndef __ASSEMBLY__ |
| # include <stdint.h> |
| #endif |
| |
| /* Clocking *****************************************************************/ |
| |
| #if defined(CONFIG_ARCH_CHIP_STM32L476RG) |
| # include <arch/board/nucleo-l476rg.h> |
| #endif |
| |
| /* Do not include STM32 L4 header files here */ |
| |
| /**************************************************************************** |
| * 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. |
| */ |
| |
| /* Values defined in arch/arm/src/stm32l4/hardware/stm32l4x6xx_dma.h */ |
| |
| #define DMACHAN_SDMMC DMACHAN_SDMMC_1 /* 2 choices */ |
| |
| #define DMACHAN_SPI1_RX DMACHAN_SPI1_RX_1 /* 2 choices */ |
| #define DMACHAN_SPI1_TX DMACHAN_SPI1_TX_1 /* 2 choices */ |
| |
| /* UART RX DMA configurations */ |
| |
| #define DMACHAN_USART1_RX DMACHAN_USART1_RX_2 |
| |
| /* ADC */ |
| |
| #define ADC1_DMA_CHAN DMACHAN_ADC1_1 |
| #define ADC2_DMA_CHAN DMACHAN_ADC2_2 |
| #define ADC3_DMA_CHAN DMACHAN_ADC3_2 |
| |
| /* Alternate function pin selections ****************************************/ |
| |
| /* CAN1: |
| * RXD: PA11 CN10 pin 14 |
| * PB8 CN5 pin 10, CN10 pin 3 |
| * PD0 |
| * TXD: PA12 CN10 pin 12 |
| * PB9 CN5 pin 9, CN10 pin 5 |
| * PD1 |
| */ |
| |
| #define GPIO_CAN1_RX GPIO_CAN1_RX_1 /* PA11 */ |
| #define GPIO_CAN1_TX GPIO_CAN1_TX_1 /* PA12 */ |
| |
| /* 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: Connected to STLInk Debug via PA2, PA3 |
| * 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 |
| |
| /* USART3: |
| * RXD: PA10 CN9 pin 3, CN10 pin 33 |
| * PC5 CN5 pin 9, CN10 pin 6 |
| * PC11 CN7 pin 2 |
| * TXD: PA9 CN5 pin 1, CN10 pin 21 |
| * PC4 CN9 pin 3, CN10 pin 34 |
| * PC10 CN7 pin 1 |
| */ |
| |
| #define GPIO_USART3_RX GPIO_USART3_RX_3 /* PC11 */ |
| #define GPIO_USART3_TX GPIO_USART3_TX_3 /* PC10 */ |
| |
| #define GPIO_UART4_RX GPIO_UART4_RX_1 /* PA1 */ |
| #define GPIO_UART4_TX GPIO_UART4_TX_1 /* PA0 */ |
| |
| /* 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 | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET) |
| #define GPIO_I2C1_SDA \ |
| (GPIO_I2C1_SDA_2 | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET) |
| #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 | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET) |
| #define GPIO_I2C2_SDA \ |
| (GPIO_I2C2_SDA_1 | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET) |
| #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 */ |
| |
| #define GPIO_SPI1_MISO GPIO_SPI1_MISO_2 /* PB4 */ |
| #define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_2 /* PB5 */ |
| #define GPIO_SPI1_SCK GPIO_SPI1_SCK_2 /* PB3 */ |
| |
| #define GPIO_SPI2_MISO GPIO_SPI2_MISO_1 /* PB14 */ |
| #define GPIO_SPI2_MOSI GPIO_SPI2_MOSI_1 /* PB15 */ |
| #define GPIO_SPI2_SCK GPIO_SPI2_SCK_2 /* PB13 */ |
| |
| /* LEDs |
| * |
| * The Nucleo l476RG board provides 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 1 |
| #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) |
| |
| /* Quadrature encoder |
| * Default is to use timer 5 (32-bit) and encoder on PA0/PA1 |
| */ |
| |
| #define GPIO_TIM2_CH1IN GPIO_TIM2_CH1IN_1 |
| #define GPIO_TIM2_CH2IN GPIO_TIM2_CH2IN_1 |
| |
| #define GPIO_TIM3_CH1IN GPIO_TIM3_CH1IN_3 |
| #define GPIO_TIM3_CH2IN GPIO_TIM3_CH2IN_3 |
| |
| #define GPIO_TIM5_CH1IN GPIO_TIM5_CH1IN_1 |
| #define GPIO_TIM5_CH2IN GPIO_TIM5_CH2IN_1 |
| |
| /* PWM output for full bridge, uses config 1, because port E is N/A on QFP64 |
| * CH1 | 1(A8) 2(E9) |
| * CH2 | 1(A9) 2(E11) |
| * CHN1 | 1(A7) 2(B13) 3(E8) |
| * CHN2 | 1(B0) 2(B14) 3(E10) |
| */ |
| |
| #define GPIO_TIM1_CH1OUT GPIO_TIM1_CH1OUT_1 |
| #define GPIO_TIM1_CH1NOUT GPIO_TIM1_CH1N_1 |
| #define GPIO_TIM1_CH2OUT GPIO_TIM1_CH2OUT_1 |
| #define GPIO_TIM1_CH2NOUT GPIO_TIM1_CH2N_1 |
| |
| #define GPIO_LPTIM1_CH1OUT GPIO_LPTIM1_OUT_1 |
| #define GPIO_LPTIM2_CH1OUT GPIO_LPTIM2_OUT_2 |
| |
| /**************************************************************************** |
| * Public Data |
| ****************************************************************************/ |
| |
| #ifndef __ASSEMBLY__ |
| |
| #undef EXTERN |
| #if defined(__cplusplus) |
| #define EXTERN extern "C" |
| extern "C" |
| { |
| #else |
| #define EXTERN extern |
| #endif |
| |
| /**************************************************************************** |
| * Public Function Prototypes |
| ****************************************************************************/ |
| |
| #undef EXTERN |
| #if defined(__cplusplus) |
| } |
| #endif |
| |
| #endif /* __ASSEMBLY__ */ |
| #endif /* __BOARDS_ARM_STM32L4_NUCLEO_F476RG_INCLUDE_BOARD_H */ |