a255a2794b
Alan Carvalho de Assis has submitted the SGA and we can migrate the licenses to Apache. Gregory Nutt has submitted the SGA and we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/****************************************************************************
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* boards/arm/stm32/common/src/stm32_max31855.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 <errno.h>
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#include <debug.h>
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#include <stdio.h>
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#include <nuttx/spi/spi.h>
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#include <arch/board/board.h>
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#include <nuttx/sensors/max31855.h>
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#include "stm32.h"
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#include "stm32_spi.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_max31855_initialize
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*
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* Description:
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* Initialize and register the MAX31855 Temperature Sensor driver.
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*
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* Input Parameters:
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* devno - The device number, used to build the device path as /dev/tempN
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* busno - The SPI bus number
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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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****************************************************************************/
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int board_max31855_initialize(int devno, int busno)
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{
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FAR struct spi_dev_s *spi;
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char devpath[12];
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int ret;
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spi = stm32_spibus_initialize(busno);
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if (!spi)
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{
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return -ENODEV;
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}
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/* Then register the barometer sensor */
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snprintf(devpath, 12, "/dev/temp%d", devno);
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ret = max31855_register(devpath, spi, devno);
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if (ret < 0)
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{
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snerr("ERROR: Error registering MAX31855\n");
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}
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return ret;
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}
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