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dfu: add error callback

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Add error callback in dfu stack to manage some board specific
behavior on DFU targets.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
This commit is contained in:
Patrick Delaunay
2021-05-18 15:12:12 +02:00
committed by Patrice Chotard
parent d4cb402577
commit d4710326c8
2 changed files with 23 additions and 0 deletions
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12
drivers/dfu/dfu.c
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@@ -44,6 +44,14 @@ __weak void dfu_initiated_callback(struct dfu_entity *dfu)
{
}
/*
* The purpose of the dfu_error_callback() function is to
* provide callback for dfu user
*/
__weak void dfu_error_callback(struct dfu_entity *dfu, const char *msg)
{
}
/*
* The purpose of the dfu_usb_get_reset() function is to
* provide information if after USB_DETACH request
@@ -342,6 +350,7 @@ int dfu_write(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)
printf("%s: Wrong sequence number! [%d] [%d]\n",
__func__, dfu->i_blk_seq_num, blk_seq_num);
dfu_transaction_cleanup(dfu);
dfu_error_callback(dfu, "Wrong sequence number");
return -1;
}
@@ -366,6 +375,7 @@ int dfu_write(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)
ret = dfu_write_buffer_drain(dfu);
if (ret) {
dfu_transaction_cleanup(dfu);
dfu_error_callback(dfu, "DFU write error");
return ret;
}
}
@@ -375,6 +385,7 @@ int dfu_write(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)
pr_err("Buffer overflow! (0x%p + 0x%x > 0x%p)\n", dfu->i_buf,
size, dfu->i_buf_end);
dfu_transaction_cleanup(dfu);
dfu_error_callback(dfu, "Buffer overflow");
return -1;
}
@@ -386,6 +397,7 @@ int dfu_write(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)
ret = dfu_write_buffer_drain(dfu);
if (ret) {
dfu_transaction_cleanup(dfu);
dfu_error_callback(dfu, "DFU write error");
return ret;
}
}