168 lines
5.4 KiB
C
168 lines
5.4 KiB
C
/****************************************************************************
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* boards/arm/stm32l4/nucleo-l452re/src/nucleo-l452re.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_STM32L4_NUCLEO_L452RE_SRC_NUCLEO_L452RE_H
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#define __BOARDS_ARM_STM32L4_NUCLEO_L452RE_SRC_NUCLEO_L452RE_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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#include "stm32l4_gpio.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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#define HAVE_PROC 1
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#define HAVE_RTC_DRIVER 1
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#define HAVE_MMCSD 1
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#if !defined(CONFIG_FS_PROCFS)
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# undef HAVE_PROC
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#endif
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#if defined(HAVE_PROC) && defined(CONFIG_DISABLE_MOUNTPOINT)
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# warning Mountpoints disabled. No procfs support
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# undef HAVE_PROC
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#endif
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/* Check if we can support the RTC driver */
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#if !defined(CONFIG_RTC) || !defined(CONFIG_RTC_DRIVER)
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# undef HAVE_RTC_DRIVER
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#endif
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#if !defined(CONFIG_STM32L4_SDIO) || !defined(CONFIG_MMCSD) || \
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!defined(CONFIG_MMCSD_SDIO)
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# undef HAVE_MMCSD
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#endif
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/* How many SPI modules does this chip support? */
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#if STM32L4_NSPI < 1
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# undef CONFIG_STM32L4_SPI1
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# undef CONFIG_STM32L4_SPI2
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# undef CONFIG_STM32L4_SPI3
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#elif STM32L4_NSPI < 2
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# undef CONFIG_STM32L4_SPI2
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# undef CONFIG_STM32L4_SPI3
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#elif STM32L4_NSPI < 3
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# undef CONFIG_STM32L4_SPI3
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#endif
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/* Nucleo-L452RE GPIOs ******************************************************/
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/* LED. User LD2: the green LED is a user LED connected to Arduino signal
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* D13 corresponding to MCU I/O PA5 (pin 21) or PB13 (pin 34) depending on
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* the STM32 target.
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*
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* - When the I/O is HIGH value, the LED is on.
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* - When the I/O is LOW, the LED is off.
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*/
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#define GPIO_LD2 (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_2MHz | \
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GPIO_OUTPUT_CLEAR | GPIO_PORTA | GPIO_PIN5)
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/* Button definitions *******************************************************/
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/* B1 USER:
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* the user button is connected to the I/O PC13 (pin 2) of the STM32
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* microcontroller.
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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 | \
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GPIO_PORTC | GPIO_PIN13)
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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 Definitions
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****************************************************************************/
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/****************************************************************************
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* Name: stm32l4_adc_setup
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*
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* Description:
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* Initialize ADC and register the ADC driver.
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*
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****************************************************************************/
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int stm32l4_adc_setup(void);
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/****************************************************************************
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* Name: stm32l4_adc_measure_voltages
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*
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* Description:
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* Read internal reference voltage, internal VBAT and one external voltage.
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*
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****************************************************************************/
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int stm32l4_adc_measure_voltages(uint32_t *vrefint,
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uint32_t *vbat,
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uint32_t *vext);
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/****************************************************************************
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* Name: stm32l4_dac_setup
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*
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* Description:
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* Initialize DAC and register the DAC driver.
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*
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****************************************************************************/
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int stm32l4_dac_setup(void);
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/****************************************************************************
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* Name: stm32_bringup
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*
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* Description:
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* Perform architecture-specific initialization
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*
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* CONFIG_BOARD_LATE_INITIALIZE=y :
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* Called from board_late_initialize().
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*
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* CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_BOARDCTL=y :
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* Called from the NSH library
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*
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****************************************************************************/
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int stm32_bringup(void);
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_STM32L4_NUCLEO_L452RE_SRC_NUCLEO_L452RE_H */
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