150 lines
6.4 KiB
C
150 lines
6.4 KiB
C
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/****************************************************************************************************
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* configs/stm32ldiscovery/src/stm32ldiscover.h
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* arch/arm/src/board/stm32ldiscover.n
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*
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* Copyright (C) 2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************************************/
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#ifndef __CONFIGS_STM32F3DISCOVERY_SRC_STM32F3DISCOVERY_INTERNAL_H
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#define __CONFIGS_STM32F3DISCOVERY_SRC_STM32F3DISCOVERY_INTERNAL_H
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/****************************************************************************************************
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* Included Files
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****************************************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/compiler.h>
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#include <stdint.h>
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/****************************************************************************************************
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* Definitions
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****************************************************************************************************/
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/* Configuration ************************************************************************************/
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/* How many SPI modules does this chip support? */
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#if STM32_NSPI < 1
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# undef CONFIG_STM32_SPI1
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# undef CONFIG_STM32_SPI2
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# undef CONFIG_STM32_SPI3
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#elif STM32_NSPI < 2
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# undef CONFIG_STM32_SPI2
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# undef CONFIG_STM32_SPI3
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#elif STM32_NSPI < 3
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# undef CONFIG_STM32_SPI3
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#endif
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/* STM32L-Discovery GPIOs ***************************************************************************/
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/* The STM32L-Discovery board has four LEDs. Two of these are controlled by
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* logic on the board and are not available for software control:
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*
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* LD1 COM: LD2 default status is red. LD2 turns to green to indicate that
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* communications are in progress between the PC and the ST-LINK/V2.
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* LD2 PWR: Red LED indicates that the board is powered.
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*
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* And two LEDs can be controlled by software:
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*
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* User LD3: Green LED is a user LED connected to the I/O PB7 of the STM32L152
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* MCU.
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* User LD4: Blue LED is a user LED connected to the I/O PB6 of the STM32L152
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* MCU.
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*
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*/
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#define GPIO_LED1 (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
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GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN7)
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#define GPIO_LED2 (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
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GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN6)
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/* Button definitions *******************************************************************************/
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/* The STM32L-Discovery supports two buttons; only one button is controllable by
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* software:
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*
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* B1 USER: user and wake-up button connected to the I/O PA0 of the STM32F303VCT6.
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* B2 RESET: pushbutton connected to NRST is used to RESET the STM32F303VCT6.
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*
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* NOTE that EXTI interrupts are configured
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*/
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#define MIN_IRQBUTTON BUTTON_USER
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#define MAX_IRQBUTTON BUTTON_USER
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#define NUM_IRQBUTTONS 1
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#define GPIO_BTN_USER (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTA|GPIO_PIN0)
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/* SPI - There is a ST MEMS L3GD20 device on SPI1 using these pins: */
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#define GPIO_MEMS_CS (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
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GPIO_OUTPUT_SET|GPIO_PORTE|GPIO_PIN3)
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#define GPIO_MEMS_INT1 (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTE|GPIO_PIN0)
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#define GPIO_MEMS_INT2 (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTE|GPIO_PIN1)
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/****************************************************************************************************
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* Public Types
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****************************************************************************************************/
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/****************************************************************************************************
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* Public data
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****************************************************************************************************/
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#ifndef __ASSEMBLY__
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/****************************************************************************************************
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* Public Functions
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****************************************************************************************************/
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/****************************************************************************************************
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* Name: stm32_spiinitialize
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*
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* Description:
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* Called to configure SPI chip select GPIO pins for the stm32ldiscovery board.
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*
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****************************************************************************************************/
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void weak_function stm32_spiinitialize(void);
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/****************************************************************************************************
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* Name: stm32_usbinitialize
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*
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* Description:
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* Called from stm32_usbinitialize very early in inialization to setup USB-related
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* GPIO pins for the STM32L-Discovery board.
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*
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****************************************************************************************************/
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#ifdef CONFIG_STM32_USB
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void weak_function stm32_usbinitialize(void);
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __CONFIGS_STM32F3DISCOVERY_SRC_STM32F3DISCOVERY_INTERNAL_H */
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