configs/stm32f4discovery: Integrate BH1750FVI driver in the STM32F4Discovery board
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@ -11653,3 +11653,5 @@
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frequency. Noted by Henry Zhang (2015-04-15).
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frequency. Noted by Henry Zhang (2015-04-15).
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* drivers/sensors/h1750fvi.c: Add a character driver for Rohm Ambient
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* drivers/sensors/h1750fvi.c: Add a character driver for Rohm Ambient
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Light Sensor BH1750FVI. From Alan Carvalho de Assi (2016-04-15).
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Light Sensor BH1750FVI. From Alan Carvalho de Assi (2016-04-15).
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* configs/stm32f4discovery: Integrate BH1750FVI driver in the
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STM32F4Discovery board. From Alan Carvalho de Assi (2016-04-15).
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@ -52,6 +52,10 @@ ifeq ($(CONFIG_STM32_OTGFS),y)
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CSRCS += stm32_usb.c
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CSRCS += stm32_usb.c
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endif
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endif
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ifeq ($(CONFIG_BH1750FVI),y)
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CSRCS += stm32_bh1750fvi.c
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endif
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ifeq ($(CONFIG_BMP180),y)
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ifeq ($(CONFIG_BMP180),y)
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CSRCS += stm32_bmp180.c
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CSRCS += stm32_bmp180.c
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endif
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endif
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105
configs/stm32f4discovery/src/stm32_bh1750fvi.c
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105
configs/stm32f4discovery/src/stm32_bh1750fvi.c
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@ -0,0 +1,105 @@
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/************************************************************************************
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* configs/stm32f4discovery/src/stm32_bh1750fvi.c
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*
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* Copyright (C) 2016 Alan Carvalho de Assis. All rights reserved.
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* Author: Alan Carvalho de Assis <acassis@gmail.com>
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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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************************************************************************************/
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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 <nuttx/spi/spi.h>
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#include <nuttx/sensors/bh1750fvi.h>
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#include "stm32.h"
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#include "stm32_i2c.h"
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#include "stm32f4discovery.h"
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#if defined(CONFIG_I2C) && defined(CONFIG_BH1750FVI)
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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#define BH1750FVI_I2C_PORTNO 1 /* On I2C1 */
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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/************************************************************************************
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* Name: stm32_bh1750initialize
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*
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* Description:
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* Initialize and register the MPL115A Pressure Sensor driver.
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*
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* Input parameters:
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* devpath - The full path to the driver to register. E.g., "/dev/light0"
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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 stm32_bh1750initialize(FAR const char *devpath)
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{
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FAR struct i2c_master_s *i2c;
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int ret;
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sndbg("Initializing BH1750FVI!\n");
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/* Initialize I2C */
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i2c = stm32_i2cbus_initialize(BH1750FVI_I2C_PORTNO);
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if (!i2c)
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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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ret = bh1750fvi_register(devpath, i2c, BH1750FVI_I2C_ADDR);
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if (ret < 0)
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{
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sndbg("Error registering BM180\n");
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}
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return ret;
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}
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#endif /* CONFIG_I2C && CONFIG_BH1750FVI && CONFIG_STM32_I2C1 */
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@ -98,6 +98,10 @@ int stm32_bringup(void)
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#endif
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#endif
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int ret = OK;
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int ret = OK;
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#ifdef CONFIG_BH1750FVI
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stm32_bh1750initialize("/dev/light0");
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#endif
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#ifdef CONFIG_ZEROCROSS
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#ifdef CONFIG_ZEROCROSS
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/* Configure the zero-crossing driver */
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/* Configure the zero-crossing driver */
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void weak_function stm32_spidev_initialize(void);
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void weak_function stm32_spidev_initialize(void);
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/****************************************************************************
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* Name: stm32_bh1750initialize
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*
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* Description:
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* Called to configure an I2C and to register BH1750FVI for the stm32f4discovery
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* board.
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*
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****************************************************************************/
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#ifdef CONFIG_BH1750FVI
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int stm32_bh1750initialize(FAR const char *devpath);
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#endif
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/****************************************************************************
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/****************************************************************************
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* Name: stm32_bmp180initialize
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* Name: stm32_bmp180initialize
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*
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*
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