Module XML file: ezcurrent.xml

Example for airframe file

This example contains all possible configuration options, not all of them are mandatory!

 <modules>
   <load name="ezcurrent.xml">
     <configure name="EZCURRENT_I2C_DEV" value="i2c1" />
   </load>
 </modules>

Module configuration options

Configure Options

name: EZCURRENT_I2C_DEV value: i2c1
Description: change default i2c peripheral to i2c1

Module functions

Init Functions

These initialization functions are called once on startup.

ezcurrent_init()

Event Functions

These event functions are called in each cycle of the module event loop.

ezcurrent_read_event()

Periodic Functions

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

ezcurrent_read_periodic()
- Frequency in Hz: 1.
- 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

ezcurrent.h

Source Files

modules/sensors/ezcurrent.c

Raw ezcurrent.xml file:

<!DOCTYPE module SYSTEM "module.dtd">
<module name="ezcurrent" dir="sensors">
  <doc>
    <description>EzOSD Current sensor (I2C).</description>
    <configure name="EZCURRENT_I2C_DEV" value="i2c1" description="change default i2c peripheral to i2c1"/>
  </doc>
  <header>
    <file name="ezcurrent.h"/>
  </header>
  <init fun="ezcurrent_init()"/>
  <periodic fun="ezcurrent_read_periodic()" freq="1."/>
  <event fun="ezcurrent_read_event()"/>
  <makefile target="ap">
    <raw>
      EZCURRENT_I2C_DEV ?= i2c0
      EZCURRENT_I2C_DEV_LOWER=$(shell echo $(EZCURRENT_I2C_DEV) | tr A-Z a-z)
      EZCURRENT_I2C_DEV_UPPER=$(shell echo $(EZCURRENT_I2C_DEV) | tr a-z A-Z)
    </raw>
    <define name="USE_$(EZCURRENT_I2C_DEV_UPPER)"/>
    <define name="EZCURRENT_I2C_DEV" value="$(EZCURRENT_I2C_DEV_LOWER)"/>
    <file name="ezcurrent.c"/>
    <!-- This disables the standard electrical monitoring system -->
    <define name="DISABLE_ELECTRICAL" description="Disable default electrical handling"/>
  </makefile>
</module>