px4_gimbal module

Control gimbal camera axis through px4 from rc

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="px4_gimbal">
  b'<define name="PX4_GIMBAL_PWM_CHAN" value="0-5" />\n    '
  b'<define name="PX4_GIMBAL_RC_CHAN" value="0-7" />\n    '
  b'<define name="PX4_GIMBAL_PWM_MIN" value="0-1024" />\n    '
  b'<define name="PX4_GIMBAL_PWM_MAX" value="0-1024" />\n  '
</module>

Module configuration options

Define Options

• name: PX4_GIMBAL_PWM_CHAN value: 0-5
  Description: PWM channel id gimbal output (default: 0)
• name: PX4_GIMBAL_RC_CHAN value: 0-7
  Description: Radio channel id gimbal input (default: RADIO_AUX2)
• name: PX4_GIMBAL_PWM_MIN value: 0-1024
  Description: Minimum pwm value (default: 900)
• name: PX4_GIMBAL_PWM_MAX value: 0-1024
  Description: Maximum pwm value (default: 1500)

Module functions

Periodic Functions

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

• px4_set_gimbal_angle_periodic()
  • Frequency in Hz: 100
  • Autorun: TRUE
    Periodic function automatically starts after init.
  • Start function: px4_gimbal_init()
    Executed before the periodic function starts.

Files

Header Files

The following headers are automatically included in modules.h

• px4_gimbal.h

Source Files

• modules/px4_gimbal/px4_gimbal.c

Raw px4_gimbal.xml file:

<!DOCTYPE module SYSTEM "module.dtd">
 
<module name="px4_gimbal">
  <doc>
    <description>Control gimbal camera axis through px4 from rc</description>
    <define name="PX4_GIMBAL_PWM_CHAN" value="0-5" description="PWM channel id gimbal output (default: 0)"/>
    <define name="PX4_GIMBAL_RC_CHAN" value="0-7" description="Radio channel id gimbal input (default: RADIO_AUX2)"/>
    <define name="PX4_GIMBAL_PWM_MIN" value="0-1024" description="Minimum pwm value (default: 900)"/>
    <define name="PX4_GIMBAL_PWM_MAX" value="0-1024" description="Maximum pwm value (default: 1500)"/>
  </doc>
  <header>
    <file name="px4_gimbal.h"/>
  </header>
  <periodic fun="px4_set_gimbal_angle_periodic()" start="px4_gimbal_init()" freq="100" autorun="TRUE"/>
  <makefile>
    <file name="px4_gimbal.c"/>
  </makefile>
</module>