boot_app_shared.h File Reference

#include <nuttx/compiler.h>

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Classes
struct	bootloader_app_shared_t
struct	app_descriptor_t

Macros
#define	APP_DESCRIPTOR_SIGNATURE_ID   'A','P','D','e','s','c'
#define	APP_DESCRIPTOR_SIGNATURE_REV   '0','0'
#define	APP_DESCRIPTOR_SIGNATURE   APP_DESCRIPTOR_SIGNATURE_ID, APP_DESCRIPTOR_SIGNATURE_REV
#define	boot_app_shared_section   __attribute__((section(".app_descriptor")))

Typedefs
typedef enum eRole	eRole_t
typedef begin_packed_struct struct bootloader_app_shared_t	bootloader_app_shared_t
typedef begin_packed_struct struct app_descriptor_t	app_descriptor_t

Enumerations
enum	eRole { Invalid, App, BootLoader }

Functions
int	bootloader_app_shared_read (bootloader_app_shared_t *shared, eRole_t role)
void	bootloader_app_shared_write (bootloader_app_shared_t *shared, eRole_t role)
void	bootloader_app_shared_invalidate (void)

Macro Definition Documentation

APP_DESCRIPTOR_SIGNATURE

#define APP_DESCRIPTOR_SIGNATURE   APP_DESCRIPTOR_SIGNATURE_ID, APP_DESCRIPTOR_SIGNATURE_REV

Definition at line 57 of file boot_app_shared.h.

APP_DESCRIPTOR_SIGNATURE_ID

#define APP_DESCRIPTOR_SIGNATURE_ID   'A','P','D','e','s','c'

Definition at line 55 of file boot_app_shared.h.

APP_DESCRIPTOR_SIGNATURE_REV

#define APP_DESCRIPTOR_SIGNATURE_REV   '0','0'

Definition at line 56 of file boot_app_shared.h.

boot_app_shared_section

#define boot_app_shared_section   __attribute__((section(".app_descriptor")))

Definition at line 60 of file boot_app_shared.h.

Typedef Documentation

app_descriptor_t

typedef begin_packed_struct struct app_descriptor_t app_descriptor_t

bootloader_app_shared_t

typedef begin_packed_struct struct bootloader_app_shared_t bootloader_app_shared_t

eRole_t

typedef enum eRole eRole_t

Enumeration Type Documentation

eRole

enum eRole

Enumerator
Invalid
App
BootLoader

Definition at line 68 of file boot_app_shared.h.

Function Documentation

bootloader_app_shared_invalidate()

void bootloader_app_shared_invalidate

(

void

)

Definition at line 260 of file boot_app_shared.c.

References bootloader_app_shared_init(), Invalid, and write().

Referenced by uavcannode_start().

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bootloader_app_shared_read()

int bootloader_app_shared_read	(	bootloader_app_shared_t *	shared,
		eRole_t	role
	)

Definition at line 186 of file boot_app_shared.c.

References App, BOOTLOADER_COMMON_APP_SIGNATURE, BOOTLOADER_COMMON_BOOTLOADER_SIGNATURE, calulate_signature(), bootloader_app_shared_t::crc, OK, read(), bootloader_app_shared_t::signature, and bootloader_app_shared_t::ull.

Referenced by uavcannode_start().

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bootloader_app_shared_write()

void bootloader_app_shared_write	(	bootloader_app_shared_t *	shared,
		eRole_t	role
	)

Definition at line 228 of file boot_app_shared.c.

References App, BOOTLOADER_COMMON_APP_SIGNATURE, BOOTLOADER_COMMON_BOOTLOADER_SIGNATURE, calulate_signature(), bootloader_app_shared_t::crc, bootloader_app_shared_t::signature, bootloader_app_shared_t::ull, and write().

Referenced by UavcanEsc::cb_beginfirmware_update(), and UavcanNode::cb_beginfirmware_update().

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