feature: sensor: add lps27hhw baro sensor driver.

CHAMPION-96

Add lps27hhw baro sensor driver to sensor drivers.

Change-Id: I0b1c9809eef13b564166621961c1679ed8de415b
Signed-off-by: songnannan <songnannan@xiaomi.com>

drivers/sensors/Kconfig

@@ -556,6 +556,13 @@ config DEBUG_LPS25H
 
 endif # SENSORS_LPS25H
 
+config SENSORS_LPS27HHW
+	bool "STMicro LPS27HHW barometer sensor"
+	default n
+	select I2C
+	---help---
+		Enable driver support for the STMicro LPS27HHW barometer sensor.
+
 config SENSORS_LTC4151
 	bool "LTC4151 current and voltage monitor"
 	default n

drivers/sensors/Make.defs

@@ -112,6 +112,10 @@ ifeq ($(CONFIG_SENSORS_LPS25H),y)
   CSRCS += lps25h.c
 endif
 
+ifeq ($(CONFIG_SENSORS_LPS27HHW),y)
+  CSRCS += lps27hhw.c
+endif
+
 ifeq ($(CONFIG_ADXL345_I2C),y)
   CSRCS += adxl345_i2c.c
 endif

include/nuttx/sensors/lps27hhw.h

@@ -0,0 +1,99 @@
+/****************************************************************************
+ * include/nuttx/sensors/lps27hhw.h
+ *
+ * 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 __INCLUDE_NUTTX_SENSORS_LPS27HHW_H
+#define __INCLUDE_NUTTX_SENSORS_LPS27HHW_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/i2c/i2c_master.h>
+#include <nuttx/ioexpander/ioexpander.h>
+
+#ifdef CONFIG_SENSORS_LPS27HHW
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+struct lps27hhw_config_s
+{
+  uint8_t addr;                           /* I2C address */
+  int pin;                                /* Interrupt pin */
+  int freq;                               /* I2C frequency */
+  FAR struct i2c_master_s *i2c;           /* I2C interface */
+  FAR struct ioexpander_dev_s *ioedev;    /* Ioexpander device */
+};
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C"
+{
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Inline Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: lps27hhw_register
+ *
+ * Description:
+ *   Register the LPS27HHW character device as 'devno'
+ *
+ * Input Parameters:
+ *   devno  - The device number, used to build the device path
+ *            as /dev/sensor/baroN
+ *   config - The board config function for the device.
+ *
+ * Returned Value:
+ *   Return 0 if the driver succeeded; A negated errno
+ *   value is returned on any failure.
+ *
+ * Assumptions/Limitations:
+ *   None.
+ *
+ ****************************************************************************/
+
+int lps27hhw_register(int devno, FAR const struct lps27hhw_config_s *config);
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CONFIG_SENSORS_LPS27HHW */
+#endif /* __INCLUDE_NUTTX_SENSORS_LPS27HHW_H */