2019-08-19 17:16:08 +02:00
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/****************************************************************************
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2020-05-12 22:19:26 +02:00
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* boards/arm/stm32/common/src/stm32_lis3dsh.c
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2017-09-14 20:03:28 +02:00
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*
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* Copyright (C) 2017 Florian Olbrich. All rights reserved.
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* Author: Florian Olbrich <flox@posteo.de>
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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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2019-08-19 17:16:08 +02:00
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****************************************************************************/
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2017-09-14 20:03:28 +02:00
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2019-08-19 17:16:08 +02:00
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/****************************************************************************
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2017-09-14 20:03:28 +02:00
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* Included Files
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2019-08-19 17:16:08 +02:00
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****************************************************************************/
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2017-09-14 20:03:28 +02:00
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#include <nuttx/config.h>
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#include <errno.h>
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#include <debug.h>
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2020-05-12 22:19:26 +02:00
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#include <stdio.h>
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2017-09-14 20:03:28 +02:00
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#include <nuttx/spi/spi.h>
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#include <nuttx/sensors/lis3dsh.h>
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2020-05-12 22:19:26 +02:00
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#include <arch/board/board.h>
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2017-09-14 20:03:28 +02:00
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#include "stm32.h"
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2019-08-19 17:16:08 +02:00
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/****************************************************************************
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2017-09-14 20:03:28 +02:00
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* Pre-processor Definitions
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2019-08-19 17:16:08 +02:00
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****************************************************************************/
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2017-09-14 20:03:28 +02:00
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2019-08-19 17:16:08 +02:00
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/****************************************************************************
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2017-09-14 20:03:28 +02:00
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* Private Functions
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2019-08-19 17:16:08 +02:00
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****************************************************************************/
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2017-09-14 20:03:28 +02:00
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2019-08-19 17:16:08 +02:00
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/****************************************************************************
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2017-09-14 20:03:28 +02:00
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* Name: attach_disc_lis3dsh
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*
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* Description:
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2017-09-14 22:11:20 +02:00
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* Attach the lis3dsh interrupt handler to PE0/EXT0 on the STM32F4 as wired
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* on STM32F4Discovery
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2017-09-14 20:03:28 +02:00
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*
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2018-02-01 17:00:02 +01:00
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* Input Parameters:
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2017-09-14 22:11:20 +02:00
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* *config - The lis3dsh instance configuration data containing the IRQ number,
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* device ID and interrupt handler
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2017-09-14 20:03:28 +02:00
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* interrupt_handler - The interrupt handler to attach
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* arg -
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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2019-08-19 17:16:08 +02:00
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****************************************************************************/
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2020-05-12 22:19:26 +02:00
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int attach_disc_lis3dsh(FAR struct lis3dsh_config_s *config,
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xcpt_t interrupt_handler)
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2017-09-14 22:11:20 +02:00
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{
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2020-05-12 22:19:26 +02:00
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return stm32_gpiosetevent(BOARD_LIS3DSH_GPIO_EXT0, true, false, false,
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interrupt_handler, NULL);
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2017-09-14 20:03:28 +02:00
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}
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2019-08-19 17:16:08 +02:00
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/****************************************************************************
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2017-09-14 20:03:28 +02:00
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* Public Functions
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2019-08-19 17:16:08 +02:00
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****************************************************************************/
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2017-09-14 20:03:28 +02:00
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2019-08-19 17:16:08 +02:00
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/****************************************************************************
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2020-05-12 22:19:26 +02:00
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* Name: board_lis3dsh_initialize
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2017-09-14 20:03:28 +02:00
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*
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* Description:
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* Initialize and register the LIS3DSH 3-axis accelerometer.
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*
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2018-02-01 17:00:02 +01:00
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* Input Parameters:
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2020-05-12 22:19:26 +02:00
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* devno - The device number, used to build the device path as /dev/accN
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* busno - The SPI bus number
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2017-09-14 20:03:28 +02:00
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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2019-08-19 17:16:08 +02:00
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****************************************************************************/
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2018-08-13 15:39:38 +02:00
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2020-05-12 22:19:26 +02:00
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int board_lis3dsh_initialize(int devno, int busno)
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2017-09-14 20:03:28 +02:00
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{
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static struct lis3dsh_config_s acc0_config;
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2020-05-12 22:19:26 +02:00
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char devpath[12];
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2017-09-14 20:03:28 +02:00
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struct spi_dev_s *spi;
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int ret;
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sninfo("Initializing LIS3DSH\n");
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2018-08-13 15:39:38 +02:00
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2020-05-12 22:19:26 +02:00
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acc0_config.irq = 22;
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acc0_config.spi_devid = 0;
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2017-09-14 20:03:28 +02:00
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acc0_config.attach = &attach_disc_lis3dsh;
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spi = stm32_spibus_initialize(1);
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2017-09-14 22:11:20 +02:00
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if (!spi)
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2017-09-14 22:33:47 +02:00
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{
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spiinfo("Failed to initialize SPI port\n");
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ret = -ENODEV;
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}
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2017-09-14 22:11:20 +02:00
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else
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2017-09-14 22:33:47 +02:00
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{
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2020-05-12 22:19:26 +02:00
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snprintf(devpath, 12, "/dev/acc%d", devno);
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2017-09-14 22:33:47 +02:00
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ret = lis3dsh_register(devpath, spi, &acc0_config);
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}
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2017-09-14 20:03:28 +02:00
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return ret;
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}
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