diff options
| -rw-r--r-- | drivers/dfu/dfu.c | 12 | ||||
| -rw-r--r-- | include/dfu.h | 11 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c index 213a20e7bc..ff1859d946 100644 --- a/drivers/dfu/dfu.c +++ b/drivers/dfu/dfu.c @@ -45,6 +45,14 @@ __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 * being sent the dfu-util performed reset of USB @@ -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; } } diff --git a/include/dfu.h b/include/dfu.h index afada3959b..f6868982df 100644 --- a/include/dfu.h +++ b/include/dfu.h @@ -377,6 +377,17 @@ void dfu_initiated_callback(struct dfu_entity *dfu); */ void dfu_flush_callback(struct dfu_entity *dfu); +/** + * dfu_error_callback() - weak callback called at the DFU write error + * + * It is a callback function called by DFU stack after DFU write error. + * This function allows to manage some board specific behavior on DFU targets + * + * @dfu: pointer to the dfu_entity which cause the error + * @msg: the message of the error + */ +void dfu_error_callback(struct dfu_entity *dfu, const char *msg); + int dfu_transaction_initiate(struct dfu_entity *dfu, bool read); void dfu_transaction_cleanup(struct dfu_entity *dfu); |