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Zephyr Project API 4.0.0
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. |