221 lines
8.2 KiB
C
221 lines
8.2 KiB
C
/****************************************************************************
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* boards/arm/stm32l4/stm32l476-mdk/include/board.h
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*
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* Copyright (C) 2016 Gregory Nutt. All rights reserved.
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* Copyright (C) 2016 Motorola Mobility, LLC.
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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 __BOARDS_ARM_STM32L4_STM32L476_MDK_INCLUDE_BOARD_H
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#define __BOARDS_ARM_STM32L4_STM32L476_MDK_INCLUDE_BOARD_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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#ifndef __ASSEMBLY__
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# include <stdint.h>
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#endif
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/* Clocking *****************************************************************/
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#include <arch/board/stm32l476-mdk-clocking.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* DMA Channel/Stream Selections ********************************************/
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/* Stream selections are arbitrary for now but might become important in the
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* future is we set aside more DMA channels/streams.
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*/
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/* Alternate function pin selections ****************************************/
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/* USART1:
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* RXD: PB7
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* TXD: PA6
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*
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* these pins are shared with the I2C1, which is used for some onboard
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* devices, so I am disabling USART1, however I'm leaving the declarations
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* here for documentation for anyone who might want to use it instead of
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* those onboard devices.
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*/
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/* USART */
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#define GPIO_USART1_CTS GPIO_USART1_CTS_3 /* PG11 */
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#define GPIO_USART1_RTS GPIO_USART1_RTS_DE_2 /* PB3 */
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#define GPIO_USART1_RX GPIO_USART1_RX_2 /* PB7 */
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#define GPIO_USART1_TX GPIO_USART1_TX_2 /* PB6 */
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#define GPIO_USART2_CTS GPIO_USART2_CTS_1 /* PA0 */
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#define GPIO_USART2_RTS GPIO_USART2_RTS_DE_1 /* PA1 */
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#define GPIO_USART2_RX GPIO_USART2_RX_1 /* PA3 */
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#define GPIO_USART2_TX GPIO_USART2_TX_1 /* PA2 */
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#define GPIO_USART3_RX GPIO_USART3_RX_3 /* PC11 */
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#define GPIO_USART3_TX GPIO_USART3_TX_3 /* PC10 */
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/* I2C */
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#define GPIO_I2C2_SCL GPIO_I2C2_SCL_1 /* PB10 */
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#define GPIO_I2C2_SDA GPIO_I2C2_SDA_1 /* PB11 */
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#define GPIO_I2C3_SCL GPIO_I2C3_SCL_1 /* PC0 */
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#define GPIO_I2C3_SDA GPIO_I2C3_SDA_1 /* PC1 */
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/* SPI */
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#define GPIO_SPI1_MISO GPIO_SPI1_MISO_1 /* PA6 */
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#define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_1 /* PA7 */
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#define GPIO_SPI1_SCK GPIO_SPI1_SCK_1 /* PA5 */
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#define GPIO_SPI1_NSS GPIO_SPI1_NSS_1 /* PA4 */
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#define DMACHAN_SPI1_RX DMACHAN_SPI1_RX_1
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#define DMACHAN_SPI1_TX DMACHAN_SPI1_TX_1
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#define GPIO_SPI2_MISO GPIO_SPI2_MISO_1 /* PB14 */
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#define GPIO_SPI2_MOSI GPIO_SPI2_MOSI_1 /* PB15 */
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#define GPIO_SPI2_SCK GPIO_SPI2_SCK_2 /* PB13 */
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#define GPIO_SPI2_NSS GPIO_SPI2_NSS_2 /* PB12 */
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/* LED definitions **********************************************************/
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/* The Reference Moto Mod contains three LEDs.
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* Two LEDs, are by convention, used to indicate the Reference Moto Mod
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* battery state of charge, and the other is available for you to use in your
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* applications.
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*
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* 1. The red LED on PD7. Part of the (rear-firing) red/green LED.
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* 2. The green LED on PE7. Part of the (rear-firing) red/green LED.
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* 3. The white (top-firing) LED on PE8
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*
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* When the I/O is HIGH value, the LED is OFF.
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* When the I/O is LOW, the LED is ON.
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*
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* Following this convention, only the white LED is made available even
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* though they all could be user-application controlled if desired.
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*/
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/* LED index values for use with board_userled() */
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#define BOARD_RED_LED 0
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#define BOARD_GREEN_LED 1
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#ifndef CONFIG_ARCH_LEDS
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# define BOARD_WHITE_LED 2
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# define BOARD_NLEDS 3
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#else
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# define BOARD_NLEDS 2
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#endif
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/* LED bits for use with board_userled_all() */
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#define BOARD_RED_LED_BIT (1 << BOARD_RED_LED)
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#define BOARD_GREEN_LED_BIT (1 << BOARD_GREEN_LED)
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#ifndef CONFIG_ARCH_LEDS
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# define BOARD_WHITE_LED_BIT (1 << BOARD_WHITE_LED)
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#endif
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/* None of the LEDs are used by the board port unless CONFIG_ARCH_LEDS is
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* defined. In that case, the white LED (only) will be controlled. Usage by
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* the board port is defined in include/board.h and src/stm32_autoleds.c.
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* The white LED will be used to encode OS-related events as follows:
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*
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* ------------------- ---------------------------- ------
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* SYMBOL Meaning LED
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* ------------------- ---------------------------- ------
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*/
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#define LED_STARTED 0 /* NuttX has been started OFF */
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#define LED_HEAPALLOCATE 0 /* Heap has been allocated OFF */
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#define LED_IRQSENABLED 0 /* Interrupts enabled OFF */
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#define LED_STACKCREATED 1 /* Idle stack created ON */
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#define LED_INIRQ 2 /* In an interrupt N/C */
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#define LED_SIGNAL 2 /* In a signal handler N/C */
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#define LED_ASSERTION 2 /* An assertion failed N/C */
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#define LED_PANIC 3 /* The system has crashed FLASH */
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#undef LED_IDLE /* MCU is is sleep mode Not used */
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/* Thus if the white LED is statically on, NuttX has successfully booted and
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* is, apparently, running normally. If white LED is flashing at
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* approximately 2Hz, then a fatal error has been detected and the system has
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* halted.
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*/
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/* Buttons ******************************************************************/
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/* The board only has one button */
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#define BUTTON_POWER 0
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#define NUM_BUTTONS 1
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#define BUTTON_POWER_BIT (1 << BUTTON_POWER)
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: stm32l4_board_initialize
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*
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* Description:
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* All STM32L4 architectures must provide the following entry point. This
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* entry point is called early in the initialization -- after all memory
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* has been configured and mapped but before any devices have been
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* initialized.
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*
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****************************************************************************/
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void stm32l4_board_initialize(void);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_STM32L4_STM32L476_MDK_INCLUDE_BOARD_H */
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