105 lines
3.3 KiB
C
105 lines
3.3 KiB
C
/****************************************************************************
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* boards/arm/nrf52/arduino-nano-33ble/src/nrf52_lsm9ds1.c
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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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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/arch.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/board.h>
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#include "nrf52_i2c.h"
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#include "arduino-nano-33ble.h"
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#include <nuttx/sensors/lsm9ds1.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifndef CONFIG_NRF52_I2C0_MASTER
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# error "LSM9DS1 driver requires CONFIG_NRF52_I2C0_MASTER to be enabled"
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#endif
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#define LSM9DS1MAG_DEVPATH "/dev/lsm9ds1mag0"
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#define LSM9DS1ACC_DEVPATH "/dev/lsm9ds1acc0"
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#define LSM9DS1GYR_DEVPATH "/dev/lsm9ds1gyr0"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nrf52_lsm9ds1_initialize
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*
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* Description:
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* Initialize I2C-based LSM9DS1.
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*
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****************************************************************************/
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int nrf52_lsm9ds1_initialize(void)
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{
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struct i2c_master_s *i2c;
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int ret = OK;
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sninfo("Initializing LMS9DS1!\n");
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#if defined(CONFIG_NRF52_I2C0_MASTER)
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i2c = nrf52_i2cbus_initialize(0);
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if (i2c == NULL)
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{
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return -ENODEV;
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}
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sninfo("INFO: Initializing LMS9DS1 9DoF sensor over I2C0\n");
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ret = lsm9ds1mag_register(LSM9DS1MAG_DEVPATH, i2c, LSM9DS1MAG_ADDR1);
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if (ret < 0)
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{
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snerr("ERROR: Failed to initialize LMS9DS1 mag driver %s\n",
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LSM9DS1MAG_DEVPATH);
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return -ENODEV;
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}
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ret = lsm9ds1gyro_register(LSM9DS1GYR_DEVPATH, i2c, LSM9DS1GYRO_ADDR1);
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if (ret < 0)
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{
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snerr("ERROR: Failed to initialize LMS9DS1 gyro driver %s\n",
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LSM9DS1MAG_DEVPATH);
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return -ENODEV;
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}
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ret = lsm9ds1accel_register(LSM9DS1ACC_DEVPATH, i2c, LSM9DS1ACCEL_ADDR1);
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if (ret < 0)
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{
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snerr("ERROR: Failed to initialize LMS9DS1 accel driver %s\n",
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LSM9DS1MAG_DEVPATH);
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return -ENODEV;
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}
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sninfo("INFO: LMS9DS1 sensor has been initialized successfully\n");
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#endif
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return ret;
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}
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