drvers/sensor and include/nuttx/sensors: Add support to Bosch BMP180 barometer. From Alan Carvalho de Assis.

drivers/sensors/Kconfig

@@ -3,6 +3,13 @@
 # see the file kconfig-language.txt in the NuttX tools repository.
 #
 
+config BMP180
+	bool "Bosch BMP180 Barometer Sensor support"
+	default n
+	select I2C
+	---help---
+		Enable driver support for the Bosch BMP180 barometer sensor.
+
 config LIS331DL
 	bool "ST LIS331DL device support"
 	default n

drivers/sensors/Make.defs

@@ -53,6 +53,10 @@ ifeq ($(CONFIG_ADXL345_I2C),y)
   CSRCS += adxl345_i2c.c
 endif
 
+ifeq ($(CONFIG_BMP180),y)
+  CSRCS += bmp180.c
+endif
+
 ifeq ($(CONFIG_I2C_LM75),y)
   CSRCS += lm75.c
 endif
@@ -82,4 +86,4 @@ DEPPATH += --dep-path sensors
 VPATH += :sensors
 CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" $(TOPDIR)$(DELIM)drivers$(DELIM)sensors}
 
-endif # CONFIG_SENSORS
+endif # CONFIG_SENSORS