modify ads1114 driver to use 2 modules (same i2c bus for now)

add airspeed_ads1114 module
modify baro_board module (baro for umarim) to use airspeed when airspeed_ads1114 is loaded

conf/airframes/ENAC/fixed-wing/weasel.xml

@@ -10,6 +10,8 @@
 
   <modules>
     <load name="baro_board.xml"/>
+    <load name="airspeed_ads1114.xml"/>
+    <!--load name="mcp355x.xml"/-->
   </modules>
 
   <firmware name="fixedwing">
@@ -40,6 +42,8 @@
     <subsystem name="navigation"/>
     <!-- Sensors -->
     <subsystem name="gps" type="ublox"/>
+
+    <!--subsystem name="spi"/-->
   </firmware>
 
 

conf/modules/airspeed_ads1114.xml

@@ -0,0 +1,18 @@
+<!DOCTYPE module SYSTEM "module.dtd">
+<!-- Module to extend the baro_board module with an airspeed sensor using ads1114 adc -->
+
+<module name="airspeed_ads1114" dir="sensors">
+  <depend require="baro_board.xml"/>
+  <header>
+    <file name="airspeed_ads1114.h"/>
+  </header>
+  <periodic fun="airspeed_periodic()" freq="60."/>
+  <makefile target="ap">
+    <file name="airspeed_ads1114.c"/>
+    <define name="USE_BARO_DIFF"/>
+    <define name="USE_ADS1114_2"/>
+    <define name="ADS1114_2_PGA" value="0x1"/> <!-- PGA gain = 1  (+/- 4.096V) -->
+  </makefile>
+</module>
+
+

conf/modules/baro_board.xml

@@ -12,6 +12,7 @@
     <define name="USE_BARO_AS_ALTIMETER"/>
     <file name="baro_board.c" dir="boards/$(BOARD)"/>
     <define name="ADS1114_I2C_DEVICE" value="i2c1"/>
+    <define name="USE_ADS1114_1"/>
     <file name="ads1114.c" dir="peripherals"/>
   </makefile>
 </module>