Example for airframe file

Add to your firmware section: This example contains all possible configuration options, not all of them are mandatory!

<module name="gps_udp">
  b'<define name="GPS_UDP_HOST" value="192.168.1.2" />\n  '
</module>

Module configuration options

Define Options

name: GPS_UDP_HOST value: 192.168.1.2
Description: host sending GPS messages

Module functions

Init Functions

These initialization functions are called once on startup.

gps_udp_init()

Periodic Functions

These functions are called periodically at the specified frequency from the module periodic loop.

gps_udp_periodic_check()
- Frequency in Hz: 1.
- Autorun: TRUE
  Periodic function automatically starts after init.

Files

Header Files

The following headers are automatically included in modules.h

gps.h

Source Files

modules/gps/gps_udp.c

Raw gps_udp.xml file:

<!DOCTYPE module SYSTEM "module.dtd">
 
<module name="gps_udp" dir="gps" task="sensors">
  <doc>
    <description>
      GPS via UDP.
      Read GPS messages from UDP port 7000.
 
      TODO not working; to be removed or fixed
    </description>
    <define name="GPS_UDP_HOST" value="192.168.1.2" description="host sending GPS messages"/>
  </doc>
  <dep>
    <depends>udp,gps</depends>
    <provides>gps</provides>
  </dep>
  <header>
    <file name="gps.h"/>
  </header>
  <init fun="gps_udp_init()"/>
  <periodic fun="gps_udp_periodic_check()" freq="1." autorun="TRUE"/>
  <makefile target="ap">
 
    <file name="gps_udp.c"/>
 
    <raw>
      ifdef SECONDARY_GPS
      ifneq (,$(findstring $(SECONDARY_GPS), udp))
      # this is the secondary GPS
      ap.CFLAGS += -DGPS_SECONDARY_TYPE_H=\"modules/gps/gps_udp.h\"
      ap.CFLAGS += -DSECONDARY_GPS=GPS_UDP
      else
      ap.CFLAGS += -DGPS_TYPE_H=\"modules/gps/gps_udp.h\"
      ap.CFLAGS += -DPRIMARY_GPS=GPS_UDP
      endif
      else
      # plain old single GPS usage
      ap.CFLAGS += -DGPS_TYPE_H=\"modules/gps/gps_udp.h\"
      endif
    </raw>
  </makefile>
</module>