boards/thingy53: add BME688 sensor support

add BME688 sensor support to thingy53

Documentation/platforms/arm/nrf53/boards/thingy53/index.rst

@@ -28,7 +28,7 @@ Low power accelerometer (ADXL362)  Yes     SPI
 IMU (BMI270)                       Yes     SPI or I2C 0x68
 Magnetometer (BMM150)              Yes     I2C 0x10
 Color sensor (BH1749NUC)           Yes     I2C 0x38
-Air quality sensor (BME688)        No      I2C 0x76
+Air quality sensor (BME688)        Yes     I2C 0x76
 ================================== ======= =============
 
 Serial Console

boards/arm/nrf53/common/include/nrf53_bme688.h

@@ -0,0 +1,54 @@
+/****************************************************************************
+ * boards/arm/nrf53/common/include/nrf53_bme688.h
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __BOARDS_ARM_NRF53_COMMON_INCLUDE_NRF53_BME688_H
+#define __BOARDS_ARM_NRF53_COMMON_INCLUDE_NRF53_BME688_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+/****************************************************************************
+ * Public Functions Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nrf53_bme688_init
+ *
+ * Description:
+ *   Initialize and register the BME688 as uorb sensor
+ *
+ * Input Parameters:
+ *   devno - The user specifies device number, from 0.
+ *   busno - I2C bus number
+ *   addr  - The I2C address
+ *
+ * Returned Value:
+ *   Zero (OK) on success; a negated errno value on failure.
+ *
+ ****************************************************************************/
+
+int nrf53_bme688_init(int devno, int busno, uint8_t addr);
+
+#endif /* __BOARDS_ARM_NRF53_COMMON_INCLUDE_NRF53_BME688_H */

boards/arm/nrf53/common/src/CMakeLists.txt

@@ -54,6 +54,10 @@ if(CONFIG_ARCH_BOARD_COMMON)
     list(APPEND SRCS nrf53_bmm150.c)
   endif()
 
+  if(CONFIG_SENSORS_BME688)
+    list(APPEND SRCS nrf53_bme688.c)
+  endif()
+
   target_sources(board PRIVATE ${SRCS})
 
 endif()

boards/arm/nrf53/common/src/Make.defs

@@ -54,6 +54,10 @@ ifeq ($(CONFIG_SENSORS_BMM150),y)
   CSRCS += nrf53_bmm150.c
 endif
 
+ifeq ($(CONFIG_SENSORS_BME688),y)
+  CSRCS += nrf53_bme688.c
+endif
+
 DEPPATH += --dep-path src
 VPATH += :src
 CFLAGS += ${INCDIR_PREFIX}$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board$(DELIM)src

boards/arm/nrf53/common/src/nrf53_bme688.c

@@ -0,0 +1,110 @@
+/****************************************************************************
+ * boards/arm/nrf53/common/src/nrf53_bme688.c
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <debug.h>
+#include <errno.h>
+#include <stdio.h>
+
+#include <nuttx/i2c/i2c_master.h>
+#include <nuttx/sensors/bme688.h>
+
+#include "nrf53_i2c.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nrf53_bme688_init
+ *
+ * Description:
+ *   Initialize and register the BME688 as uorb sensor
+ *
+ * Input Parameters:
+ *   devno - The user specifies device number, from 0.
+ *   busno - I2C bus number
+ *   addr  - The I2C address
+ *
+ * Returned Value:
+ *   Zero (OK) on success; a negated errno value on failure.
+ *
+ ****************************************************************************/
+
+int nrf53_bme688_init(int devno, int busno, uint8_t addr)
+{
+  struct bme688_config_s  config;
+  struct i2c_master_s    *i2c;
+  int                     ret;
+
+  /* Address not configurable yet */
+
+  UNUSED(addr);
+
+  sninfo("Initializing BME688!\n");
+
+  /* Initialize I2C */
+
+  i2c = nrf53_i2cbus_initialize(busno);
+  if (!i2c)
+    {
+      return -ENODEV;
+    }
+
+  /* Default configuration */
+
+  config.temp_os         = BME688_OS_2X;
+#ifndef CONFIG_BME688_DISABLE_PRESS_MEAS
+  config.press_os        = BME688_OS_16X;
+#endif
+#ifndef CONFIG_BME688_DISABLE_HUM_MEAS
+  config.hum_os          = BME688_OS_1X;
+#endif
+#ifdef CONFIG_BME688_ENABLE_IIR_FILTER
+  config.filter_coef     = BME688_FILTER_COEF3;
+#endif
+#ifndef CONFIG_BME688_DISABLE_GAS_MEAS
+  config.target_temp     = 300;
+  config.heater_duration = 100;
+  config.nb_conv         = 0;
+  config.amb_temp        = 30;
+#endif
+
+  /* Then register the sensor */
+
+  ret = bme688_register(devno, i2c, &config);
+  if (ret < 0)
+    {
+      snerr("ERROR: Error registering BME688\n");
+    }
+
+  return ret;
+}

boards/arm/nrf53/thingy53/src/nrf53_sensors.c

@@ -46,6 +46,10 @@
 #  include "nrf53_bmm150.h"
 #endif
 
+#ifdef CONFIG_SENSORS_BME688
+#  include "nrf53_bme688.h"
+#endif
+
 #include "arm_internal.h"
 
 #include "thingy53.h"
@@ -135,5 +139,15 @@ int nrf53_sensors_init(void)
     }
 #endif
 
+#ifdef CONFIG_SENSORS_BME688
+  /* Initialize BME688 */
+
+  ret = nrf53_bme688_init(0, BME688_I2C_BUS, BME688_I2C_ADDR);
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "ERROR: nrf53_bme688_init failed: %d\n", ret);
+    }
+#endif
+
   return ret;
 }