/**************************************************************************************************** * configs/stm32ldiscovery/src/stm32ldiscover.h * arch/arm/src/board/stm32ldiscover.n * * Copyright (C) 2013 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_STM32F3DISCOVERY_SRC_STM32F3DISCOVERY_INTERNAL_H #define __CONFIGS_STM32F3DISCOVERY_SRC_STM32F3DISCOVERY_INTERNAL_H /**************************************************************************************************** * Included Files ****************************************************************************************************/ #include #include #include /**************************************************************************************************** * Definitions ****************************************************************************************************/ /* Configuration ************************************************************************************/ /* How many SPI modules does this chip support? */ #if STM32_NSPI < 1 # undef CONFIG_STM32_SPI1 # undef CONFIG_STM32_SPI2 # undef CONFIG_STM32_SPI3 #elif STM32_NSPI < 2 # undef CONFIG_STM32_SPI2 # undef CONFIG_STM32_SPI3 #elif STM32_NSPI < 3 # undef CONFIG_STM32_SPI3 #endif /* STM32L-Discovery GPIOs ***************************************************************************/ /* The STM32L-Discovery board has four LEDs. Two of these are controlled by logic on the board and * are not available for software control: * * LD1 COM: LD2 default status is red. LD2 turns to green to indicate that communications are in * progress between the PC and the ST-LINK/V2. * LD2 PWR: Red LED indicates that the board is powered. * * And two LEDs can be controlled by software: * * User LD3: Green LED is a user LED connected to the I/O PB7 of the STM32L152 MCU. * User LD4: Blue LED is a user LED connected to the I/O PB6 of the STM32L152 MCU. * * The other side of the LED connects to ground so high value will illuminate the LED. */ #define GPIO_LED1 (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_10MHz | \ GPIO_OUTPUT_CLEAR | GPIO_PORTB | GPIO_PIN7) #define GPIO_LED2 (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_10MHz | \ GPIO_OUTPUT_CLEAR | GPIO_PORTB | GPIO_PIN6) /* Button definitions *******************************************************************************/ /* The STM32L-Discovery supports two buttons; only one button is controllable by software: * * B1 USER: user and wake-up button connected to the I/O PA0 of the STM32F303VCT6. * B2 RESET: pushbutton connected to NRST is used to RESET the STM32F303VCT6. * * NOTE that EXTI interrupts are configured */ #define MIN_IRQBUTTON BUTTON_USER #define MAX_IRQBUTTON BUTTON_USER #define NUM_IRQBUTTONS 1 #define GPIO_BTN_USER (GPIO_INPUT | GPIO_FLOAT | GPIO_EXTI | GPIO_PORTA | GPIO_PIN0) /**************************************************************************************************** * Public Types ****************************************************************************************************/ /**************************************************************************************************** * Public data ****************************************************************************************************/ #ifndef __ASSEMBLY__ /**************************************************************************************************** * Public Functions ****************************************************************************************************/ /**************************************************************************************************** * Name: stm32_spiinitialize * * Description: * Called to configure SPI chip select GPIO pins for the stm32ldiscovery board. * ****************************************************************************************************/ void weak_function stm32_spiinitialize(void); /**************************************************************************************************** * Name: stm32_usbinitialize * * Description: * Called from stm32_usbinitialize very early in inialization to setup USB-related * GPIO pins for the STM32L-Discovery board. * ****************************************************************************************************/ #ifdef CONFIG_STM32_USB void weak_function stm32_usbinitialize(void); #endif #endif /* __ASSEMBLY__ */ #endif /* __CONFIGS_STM32F3DISCOVERY_SRC_STM32F3DISCOVERY_INTERNAL_H */