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jerzy pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/mynewt-core.git
commit 13df1677b04c2781724877820fb2ede8002503a0
Author: Jerzy Kasenberg <jerzy.kasenb...@codecoup.pl>
AuthorDate: Wed Aug 7 13:39:57 2024 +0200
fs/fcb: Add fcb_write function
Previously fcb sequence to write FCB entry was:
fcb_append(fcb, len, loc)
flash_area_write(fa,...)
fcb_finish(fcb, loc)
This adds function fcb_write() that should be used instead
of direct call to flash_area_write to make it more consistent.
Signed-off-by: Jerzy Kasenberg <jerzy.kasenb...@codecoup.pl>
---
fs/fcb/include/fcb/fcb.h | 15 +++++++++++++++
fs/fcb/src/fcb_append.c | 13 +++++++++++++
2 files changed, 28 insertions(+)
diff --git a/fs/fcb/include/fcb/fcb.h b/fs/fcb/include/fcb/fcb.h
index d382521fe..7f97b9ee1 100644
--- a/fs/fcb/include/fcb/fcb.h
+++ b/fs/fcb/include/fcb/fcb.h
@@ -141,6 +141,21 @@ int fcb_init(struct fcb *fcb);
int fcb_append(struct fcb *, uint16_t len, struct fcb_entry *loc);
int fcb_append_finish(struct fcb *, struct fcb_entry *append_loc);
+/**
+ * Write to flash user data.
+ *
+ * Function should be called after fcb_append is called and before fcb_finish
+ * This is wrapper for flash_area_write() function and uses loc for starting
+ * location. loc is modified and can be used for subsequent writes.
+ *
+ * @param fcb - fcb to write entry to
+ * @param loc - location of the entry
+ * @param buf - data to write
+ * @param len - number of bytes to write to fcb
+ * @return 0 on success, non-zero on failure
+ */
+int fcb_write(struct fcb *fcb, struct fcb_entry *loc, const uint8_t *buf,
size_t len);
+
/**
* Walk over all entries in FCB.
* cb gets called for every entry. If cb wants to stop the walk, it should
diff --git a/fs/fcb/src/fcb_append.c b/fs/fcb/src/fcb_append.c
index b23f43a60..444fda25b 100644
--- a/fs/fcb/src/fcb_append.c
+++ b/fs/fcb/src/fcb_append.c
@@ -66,6 +66,19 @@ fcb_append_to_scratch(struct fcb *fcb)
return FCB_OK;
}
+int
+fcb_write(struct fcb *fcb, struct fcb_entry *loc, const uint8_t *buf, size_t
len)
+{
+ int rc;
+
+ rc = flash_area_write(loc->fe_area, loc->fe_data_off, buf, len);
+ if (rc == 0) {
+ loc->fe_data_off += len;
+ }
+
+ return rc;
+}
+
int
fcb_append(struct fcb *fcb, uint16_t len, struct fcb_entry *append_loc)
{
