loader::flashimage Struct Reference

#include <hashflash.h>

Static Public Member Functions
static uint32_t	len ()
	Returns the number of bytes of the flash image.
static utils::sha256	sha256sum ()
	Computes a SHA256 hash of the program image stored on Flash.
static void	toJson (JsonVariant target)

Detailed Description

Definition at line 17 of file hashflash.h.

Member Function Documentation

len()

static uint32_t loader::flashimage::len ( )

inlinestatic

Returns the number of bytes of the flash image.

This is identical to the output of

shell> objcopy –input-target=ihex –output-target=binary firmware.hex firmware.bin shell> ls -l firmware.bin

i.e. the file size of the firmware image in binary format. Note that the linker storage cell actually holds data, cf. https://sourceware.org/binutils/docs/ld/Source-Code-Reference.html

Definition at line 28 of file hashflash.h.

References _flashimagelen, and uint32_t.

Referenced by setup(), sha256sum(), and toJson().

sha256sum()

static utils::sha256 loader::flashimage::sha256sum ( )

inlinestatic

Computes a SHA256 hash of the program image stored on Flash.

This is identical to the output of

shell> objcopy –input-target=ihex –output-target=binary firmware.hex firmware.bin shell> sha256sum firmware.bin

The computation takes 3383us. If you use the output in networking requests, it is fast enough to compute it on need, no caching neccessary.

Definition at line 40 of file hashflash.h.

References flash_origin, and len().

Referenced by loader::SinglePluginLoader::load_and_execute(), setup(), and toJson().

toJson()

static void loader::flashimage::toJson ( JsonVariant target )

inlinestatic

Definition at line 48 of file hashflash.h.

References len(), sha256sum(), and utils::sha256::to_string().

Referenced by msg::handlers::GetSystemIdent::handle().

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The documentation for this struct was generated from the following file:

• lib/controller/src/utils/hashflash.h