d560ce65ff
- Add new functions of GNSS - Support the lower PWM frequency - Add CONFIG_CPUFREQ_RELEASE_LOCK - Add high speed ADC support - Add HPADC input gain configuration - Add eMMC device - Frame buffer support - Fix SD/GNSS/sensor drivers not worked - Build errors - Fix nxstyle issues
122 lines
3.5 KiB
C
122 lines
3.5 KiB
C
/****************************************************************************
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* boards/arm/cxd56xx/common/src/cxd56_bmp280_scu.c
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*
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* Copyright 2018 Sony Semiconductor Solutions Corporation
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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 of Sony Semiconductor Solutions Corporation nor
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* the names of its contributors may be used to endorse or promote
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* products derived from this software without specific prior written
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* 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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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <debug.h>
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#include <errno.h>
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#include <nuttx/board.h>
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#include <nuttx/sensors/bmp280.h>
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#include <arch/chip/scu.h>
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#include "cxd56_i2c.h"
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#ifdef CONFIG_SENSORS_BMP280_SCU_DECI_PRESS
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# define PRESS_NR_SEQS 3
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#else
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# define PRESS_NR_SEQS 1
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#endif
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#ifdef CONFIG_SENSORS_BMP280_SCU_DECI_TEMP
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# define TEMP_NR_SEQS 3
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#else
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# define TEMP_NR_SEQS 1
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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#ifdef CONFIG_SENSORS_BMP280_SCU
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int board_bmp280_initialize(int bus)
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{
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int i;
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int ret;
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FAR struct i2c_master_s *i2c;
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sninfo("Initializing BMP280..\n");
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/* Initialize i2c device */
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i2c = cxd56_i2cbus_initialize(bus);
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if (!i2c)
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{
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snerr("ERROR: Failed to initialize i2c%d.\n", bus);
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return -ENODEV;
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}
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ret = bmp280_init(i2c, bus);
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if (ret < 0)
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{
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snerr("Error initialize BMP280.\n");
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return ret;
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}
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/* Create char devices for each FIFOs */
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for (i = 0; i < PRESS_NR_SEQS; i++)
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{
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ret = bmp280press_register("/dev/press", i, i2c, bus);
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if (ret < 0)
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{
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snerr("Error registering pressure. %d\n", ret);
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return ret;
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}
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}
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/* Create char devices for each FIFOs */
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for (i = 0; i < TEMP_NR_SEQS; i++)
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{
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ret = bmp280temp_register("/dev/temp", i, i2c, bus);
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if (ret < 0)
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{
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snerr("Error registering temperature. %d\n", ret);
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return ret;
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}
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}
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return ret;
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}
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#endif
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