switch_servo module

Swicht using a Servo

No detailed description...

Example for airframe file

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

<module name="switch_servo">
  <define name="SWITCH_SERVO_ON_VALUE" value="pwm" />
  <define name="SWITCH_SERVO_OFF_VALUE" value="pwm" />
  <define name="SWITCH_SERVO_SERVO" value="nb" />
</module>

Module configuration options

Define Options

• name: SWITCH_SERVO_ON_VALUE value: pwm
  Description: servo value in usec
• name: SWITCH_SERVO_OFF_VALUE value: pwm
  Description: servo value in usec
• name: SWITCH_SERVO_SERVO value: nb
  Description: Id of the servo (default: SWITCH)

Module functions

Init Functions

These initialization functions are called once on startup.

• switch_servo_init()

Periodic Functions

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

• switch_servo_periodic()
  • Frequency in Hz: 10.
  • Autorun: LOCK
    Periodic function automatically starts after init and can't be stopped.

Files

Header Files

The following headers are automatically included in modules.h

• switch_servo.h

Source Files

• modules/switching/switch_servo.c

Raw switch_servo.xml file:

<!DOCTYPE module SYSTEM "module.dtd">

<module name="switch_servo" dir="switching">
  <doc>
    <description>Swicht using a Servo</description>
    <define name="SWITCH_SERVO_ON_VALUE"  value="pwm" description="servo value in usec"/>
    <define name="SWITCH_SERVO_OFF_VALUE" value="pwm" description="servo value in usec"/>
    <define name="SWITCH_SERVO_SERVO"     value="nb" description="Id of the servo (default: SWITCH)"/>
  </doc>
  <settings>
    <dl_settings NAME="Switch Servo">
      <dl_settings NAME="SWITCH">
        <dl_setting var="switch_servo_on" min="0" step="1" max="1" module="switching/switch_servo" values="Off|On">
          <strip_button name="ON"  value="1" group="switching"/>
          <strip_button name="OFF" value="0" group="switching"/>
        </dl_setting>
      </dl_settings>
    </dl_settings>
  </settings>
  <header>
    <file name="switch_servo.h"/>
  </header>
  <init fun="switch_servo_init()"/>
  <periodic fun="switch_servo_periodic()" freq="10."/>
  <makefile target="ap|sim|nps">

<!-- these parameters should be set for that module in the airframe file unless you want the defaults
     Servo value in usec
  <load name="switch_servo.xml">
    <define name="SWITCH_SERVO_ON_VALUE"  value="2000"/>
    <define name="SWITCH_SERVO_OFF_VALUE" value="1000"/>
    <define name="SWITCH_SERVO_SERVO"     value="SWITCH"/>
  </load>

  The servo will not exceed the min and max positions defined in the servo section
-->

    <file name="switch_servo.c"/>
  </makefile>
</module>