tlsf module

Dynamic memory allocator

Can be used as a replacement of malloc with a O(1) allocation time

Example for airframe file

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

<module name="tlsf">
  b'<configure name="TLSF_MAX_FLI" value="16" />\n  '
</module>

Module configuration options

Configure Options

• name: TLSF_MAX_FLI value: 16
  Description: limit buffer size to 2^TLSF_MAX_FLI (e.g. 64Ko for MAX_FLI of 16

Module functions

Init Functions

These initialization functions are called once on startup.

• tlsf_init_heaps()

Files

Header Files

The following headers are automatically included in modules.h

• tlsf_malloc.h

Source Files

• /sw/ext/tlsf/tlsf.c
• arch dependent: modules/tlsf/tlsf_malloc_arch.c

Raw tlsf.xml file:

<!DOCTYPE module SYSTEM "module.dtd">
 
<module name="tlsf" task="core">
  <doc>
    <description>
      Dynamic memory allocator
      Can be used as a replacement of malloc with a O(1) allocation time
    </description>
    <configure name="TLSF_MAX_FLI" value="16" description="limit buffer size to 2^TLSF_MAX_FLI (e.g. 64Ko for MAX_FLI of 16"/>
  </doc>
  <header>
    <file name="tlsf_malloc.h" />
  </header>
  <init fun="tlsf_init_heaps()"/>
  <makefile target="ap">
    <configure name="TLSF_MAX_FLI" default="16"/>
    <define name="MAX_FLI" value="$(TLSF_MAX_FLI)"/>
    <file_arch name="tlsf_malloc_arch.c"/>
    <include name="$(PAPARAZZI_SRC)/sw/ext/tlsf"/>
    <file name="tlsf.c" dir="$(PAPARAZZI_SRC)/sw/ext/tlsf"/>
  </makefile>
</module>