Zephyr Project API 3.7.0
A Scalable Open Source RTOS
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Bootloader info interface. More...
Functions | |
int | blinfo_lookup (uint16_t key, char *val, int val_len_max) |
Returns bootinfo information. | |
Bootloader info interface.
int blinfo_lookup | ( | uint16_t | key, |
char * | val, | ||
int | val_len_max | ||
) |
#include <include/zephyr/retention/blinfo.h>
Returns bootinfo information.
key | The information to return (for MCUboot: minor TLV). |
val | Where the return information will be placed. |
val_len_max | The maximum size of the provided buffer. |
>= | 0 If successful (contains length of read value) |
-EOVERFLOW | If the data is too large to fit the supplied buffer. |
-EIO | If the requested key was not found. |
-errno | Error code. |