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/****************************************************************************************************
* configs/stm32f4discovery/src/stm32f4discovery-internal.h
* arch/arm/src/board/stm32f4discovery-internal.n
*
* Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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_STM32F4DISCOVERY_SRC_STM32F4DISCOVERY_INTERNAL_H
#define __CONFIGS_STM32F4DISCOVERY_SRC_STM32F4DISCOVERY_INTERNAL_H
/****************************************************************************************************
* Included Files
****************************************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <stdint.h>
/****************************************************************************************************
* 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
/* STM32F4 Discovery GPIOs **************************************************************************/
/* LEDs */
#define GPIO_LED1 (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
GPIO_OUTPUT_CLEAR|GPIO_PORTD|GPIO_PIN12)
#define GPIO_LED2 (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
GPIO_OUTPUT_CLEAR|GPIO_PORTD|GPIO_PIN13)
#define GPIO_LED3 (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
GPIO_OUTPUT_CLEAR|GPIO_PORTD|GPIO_PIN14)
#define GPIO_LED4 (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
GPIO_OUTPUT_CLEAR|GPIO_PORTD|GPIO_PIN15)
/* BUTTONS -- NOTE that all have EXTI interrupts 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)
/* PWM
*
* The STM32F4 Discovery has no real on-board PWM devices, but the board can be
* configured to output a pulse train using TIM4 CH2 on PD13.
*/
#define STM32F4DISCOVERY_PWMTIMER 4
#define STM32F4DISCOVERY_PWMCHANNEL 2
/* SPI chip selects */
#define GPIO_CS_MEMS (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
GPIO_OUTPUT_SET|GPIO_PORTE|GPIO_PIN3)
/* USB OTG FS
*
* PA9 OTG_FS_VBUS VBUS sensing (also connected to the green LED)
* PC0 OTG_FS_PowerSwitchOn
* PD5 OTG_FS_Overcurrent
*/
#define GPIO_OTGFS_VBUS (GPIO_INPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|GPIO_OPENDRAIN|GPIO_PORTA|GPIO_PIN9)
#define GPIO_OTGFS_PWRON (GPIO_OUTPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|GPIO_PUSHPULL|GPIO_PORTC|GPIO_PIN0)
#ifdef CONFIG_USBHOST
# define GPIO_OTGFS_OVER (GPIO_INPUT|GPIO_EXTI|GPIO_FLOAT|GPIO_SPEED_100MHz|GPIO_PUSHPULL|GPIO_PORTD|GPIO_PIN5)
#else
# define GPIO_OTGFS_OVER (GPIO_INPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|GPIO_PUSHPULL|GPIO_PORTD|GPIO_PIN5)
#endif
/****************************************************************************************************
* Public Types
****************************************************************************************************/
/****************************************************************************************************
* Public data
****************************************************************************************************/
#ifndef __ASSEMBLY__
/****************************************************************************************************
* Public Functions
****************************************************************************************************/
/****************************************************************************************************
* Name: stm32_spiinitialize
*
* Description:
* Called to configure SPI chip select GPIO pins for the stm32f4discovery 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 STM32F4Discovery board.
*
****************************************************************************************************/
#ifdef CONFIG_STM32_OTGFS
void weak_function stm32_usbinitialize(void);
#endif
/****************************************************************************************************
* Name: stm32_usbhost_initialize
*
* Description:
* Called at application startup time to initialize the USB host functionality. This function will
* start a thread that will monitor for device connection/disconnection events.
*
****************************************************************************************************/
#if defined(CONFIG_STM32_OTGFS) && defined(CONFIG_USBHOST)
int stm32_usbhost_initialize(void);
#endif
/****************************************************************************************************
* Name: stm32_extmemgpios
*
* Description:
* Initialize GPIOs for external memory usage
*
****************************************************************************************************/
#ifdef CONFIG_STM32_FSMC
void stm32_extmemgpios(const uint32_t *gpios, int ngpios);
#endif
/****************************************************************************************************
* Name: stm32_extmemaddr
*
* Description:
* Initialize adress line GPIOs for external memory access
*
****************************************************************************************************/
#ifdef CONFIG_STM32_FSMC
void stm32_extmemaddr(int naddrs);
#endif
/****************************************************************************************************
* Name: stm32_extmemdata
*
* Description:
* Initialize data line GPIOs for external memory access
*
****************************************************************************************************/
#ifdef CONFIG_STM32_FSMC
void stm32_extmemdata(int ndata);
#endif
/****************************************************************************************************
* Name: stm32_enablefsmc
*
* Description:
* enable clocking to the FSMC module
*
****************************************************************************************************/
#ifdef CONFIG_STM32_FSMC
void stm32_enablefsmc(void);
#endif
/****************************************************************************************************
* Name: stm32_disablefsmc
*
* Description:
* enable clocking to the FSMC module
*
****************************************************************************************************/
#ifdef CONFIG_STM32_FSMC
void stm32_disablefsmc(void);
#endif
/****************************************************************************************************
* Name: up_ledpminitialize
*
* Description:
* Enable logic to use the LEDs on the STM32F4Discovery to support power management testing
*
****************************************************************************************************/
#ifdef CONFIG_PM
void up_ledpminitialize(void);
#endif
/****************************************************************************************************
* Name: up_pmbuttons
*
* Description:
* Configure the user button of the STM32f4discovery board as EXTI,
* so it is able to wakeup the MCU from the PM_STANDBY mode
*
****************************************************************************************************/
#if defined(CONFIG_PM) && defined(CONFIG_IDLE_CUSTOM) && defined(CONFIG_PM_BUTTONS)
void up_pmbuttons(void);
#endif
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_STM32F4DISCOVERY_SRC_STM32F4DISCOVERY_INTERNAL_H */
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