/**************************************************************************** * boards/arm/stm32l4/nucleo-l476rg/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_STM32L4_NUCLEO_L476RG_INCLUDE_BOARD_H #define __BOARDS_ARM_STM32L4_NUCLEO_L476RG_INCLUDE_BOARD_H /**************************************************************************** * Included Files ****************************************************************************/ #include #ifndef __ASSEMBLY__ # include #endif /* Clocking *****************************************************************/ #if defined(CONFIG_ARCH_CHIP_STM32L476RG) # include #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 */