Secure Bootloader Sample Reference Data Structures Type Documentation

BL_AppConfiguration_t

Location: bl_configuration.h:98

Define a structure which can map onto the configuration area.

Data Fields

Type	Name	Description
uint32_t	key1	Secure mode first key.
uint32_t	key2	Secure mode second key (optional)
uint32_t	content	Secure mode content certificate.
uint32_t	programStart	Program start address.
uint32_t	memoryConfiguration	Memory configuration to enable.
uint32_t	retentionConfiguration	Memory Retention configuration.
uint32_t	crc	CCITT CRC of previous fields.

Location: bl_image.h:102

Buffer used for loading data in chunks, allow 2 blocks.

Data Fields

Type	Name	Description
uint32_t	offset	Offset of the data from the base of the application being downloaded.
size_t	length	Length of the data.
uint32_t	crc	CRC32 calculated over the data.
uint8_t	buffer[BL_CODE_SECTOR_SIZE]	Buffer to hold the data.

Location: bl_image.h:111

define an address range which can wrap-around a reserved block

Data Fields

Type	Name	Description
uint8_t *	address	Address of the data.
size_t	length	Length of the data.
uint8_t *	split	Address of the split in the data.
size_t	remaining	Length of the data in the split section.

Location: bl_loader.h:168

to maintain backwards compatibility, we use a two byte status for most messages.

The status and type enums above will be coerced to this format when sending responses.

Data Fields

Type	Name	Description
uint8_t	type	Type of message status.
uint8_t	status	Status for this message.

Location: bl_versions.h:112

Define the application version as id and version details.

Data Fields

Type	Name	Description
BL_BootAppId_t	id	App ID string.
uint16_t	num	<major[15:12]>. .

Type

Name

Description

App ID string.

uint16_t

num

<major[15:12]>.

Location: bl_versions.h:119

Define the contents of a Hello response.

Data Fields

Type	Name	Description
BL_BootAppVersion_t	boot_version	Version info of boot loader.
BL_BootAppVersion_t	app_version	Version info of loaded application.
uint16_t	block_size	Loading block size to use.