/************************************************************************************ * configs/nucleo-l452re/include/board.h * * Copyright (C) 2016 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ************************************************************************************/ #ifndef __CONFIGS_NUCLEO_L452RE_INCLUDE_BOARD_H #define __CONFIGS_NUCLEO_L452RE_INCLUDE_BOARD_H /************************************************************************************ * Included Files ************************************************************************************/ #include #ifndef __ASSEMBLY__ # include #endif /************************************************************************************ * Pre-processor Definitions ************************************************************************************/ /* Clocking *************************************************************************/ #if defined(CONFIG_ARCH_CHIP_STM32L452RE) # include #endif /* 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/chip/stm32l4x3xx_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 /* 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: 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 #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_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 L452RE 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/stm32_autoleds.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) /* ADC measurements * Default is ADC1_IN9 (PA4) connected to CN8-connector pin 3, A2. */ #define ADC1_MEASURE_CHANNEL 9 #define GPIO_MEASURE_ADC (GPIO_ADC1_IN9) /* 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 /************************************************************************************ * Public Data ************************************************************************************/ #ifndef __ASSEMBLY__ #undef EXTERN #if defined(__cplusplus) #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif /************************************************************************************ * Public Function Prototypes ************************************************************************************/ /************************************************************************************ * Name: stm32l4_board_initialize * * Description: * All STM32L4 architectures must provide the following entry point. This entry point * is called early in the initialization -- after all memory has been configured * and mapped but before any devices have been initialized. * ************************************************************************************/ void stm32l4_board_initialize(void); #undef EXTERN #if defined(__cplusplus) } #endif #endif /* __ASSEMBLY__ */ #endif /* __CONFIGS_NUCLEO_L452RE_INCLUDE_BOARD_H */