diff --git a/configs/nucleo-l476rg/src/Makefile b/configs/nucleo-l476rg/src/Makefile index d06c4871429..41372039dbe 100644 --- a/configs/nucleo-l476rg/src/Makefile +++ b/configs/nucleo-l476rg/src/Makefile @@ -93,6 +93,10 @@ ifeq ($(CONFIG_SENSORS_LSM303AGR),y) CSRCS += stm32_lsm303agr.c endif +ifeq ($(CONFIG_SENSORS_BMP180),y) +CSRCS += stm32_bmp180.c +endif + ifeq ($(CONFIG_PWM),y) CSRCS += stm32_pwm.c endif diff --git a/configs/nucleo-l476rg/src/nucleo-l476rg.h b/configs/nucleo-l476rg/src/nucleo-l476rg.h index 9bb2be00051..9ebdd394cd3 100644 --- a/configs/nucleo-l476rg/src/nucleo-l476rg.h +++ b/configs/nucleo-l476rg/src/nucleo-l476rg.h @@ -421,4 +421,16 @@ int stm32l4_qencoder_initialize(FAR const char *devpath, int timer); int stm32l4_cc1101_initialize(void); #endif +/**************************************************************************** + * Name: stm32_bmp180initialize + * + * Description: + * Called to configure an I2C and to register BMP180. + * + ****************************************************************************/ + +#ifdef CONFIG_SENSORS_BMP180 +int stm32_bmp180initialize(FAR const char *devpath); +#endif + #endif /* __CONFIGS_NUCLEO_L476RG_SRC_NUCLEO_L476RG_H */ diff --git a/configs/nucleo-l476rg/src/stm32_appinit.c b/configs/nucleo-l476rg/src/stm32_appinit.c index 65f5924004d..6c8345d7c2a 100644 --- a/configs/nucleo-l476rg/src/stm32_appinit.c +++ b/configs/nucleo-l476rg/src/stm32_appinit.c @@ -190,6 +190,16 @@ int board_app_initialize(uintptr_t arg) syslog(LOG_INFO, "[boot] Initialized SDIO\n"); #endif +#ifdef CONFIG_SENSORS_BMP180 + ret = stm32_bmp180initialize("/dev/press0"); + if (ret < 0) + { + syslog(LOG_ERR, "Failed to initialize BMP180, error %d\n", ret); + return ret; + } +#endif + + #ifdef CONFIG_PWM /* Initialize PWM and register the PWM device. */ diff --git a/configs/nucleo-l476rg/src/stm32_bmp180.c b/configs/nucleo-l476rg/src/stm32_bmp180.c new file mode 100644 index 00000000000..d2cef4ef175 --- /dev/null +++ b/configs/nucleo-l476rg/src/stm32_bmp180.c @@ -0,0 +1,99 @@ +/************************************************************************************ + * configs/stm32f4discovery/src/stm32_bmp180.c + * + * Copyright (C) 2015 Alan Carvalho de Assis. All rights reserved. + * Author: Alan Carvalho de Assis + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include + +#include +#include + +#include +#include + +#include "stm32l4.h" +#include "stm32l4_i2c.h" +#include "nucleo-l476rg.h" + +#if defined(CONFIG_I2C) && defined(CONFIG_SENSORS_BMP180) + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/************************************************************************************ + * Name: stm32_bmp180initialize + * + * Description: + * Initialize and register the MPL115A Pressure Sensor driver. + * + * Input Parameters: + * devpath - The full path to the driver to register. E.g., "/dev/press0" + * + * Returned Value: + * Zero (OK) on success; a negated errno value on failure. + * + ************************************************************************************/ + +int stm32_bmp180initialize(FAR const char *devpath) +{ + FAR struct i2c_master_s *i2c; + int ret; + + sninfo("Initializing BMP180!\n"); + + /* Initialize I2C */ + + i2c = stm32l4_i2cbus_initialize(BMP180_I2C_PORTNO); + + if (!i2c) + { + return -ENODEV; + } + + /* Then register the barometer sensor */ + + ret = bmp180_register(devpath, i2c); + if (ret < 0) + { + snerr("ERROR: Error registering BM180\n"); + } + + return ret; +} + +#endif /* CONFIG_I2C && CONFIG_SENSORS_BMP180 */