lwm2m_os_dfu_start()

int lwm2m_os_dfu_start	(	int	img_type,
		size_t	max_file_size,
		bool	crc_validate )

#include <lwm2m_os.h>

Start a firmware upgrade.

Parameters

[in]	img_type	DFU target type to be initialized.
[in]	max_file_size	Estimate of the new firmware image to be received. May be greater than or equal to the actual image size received by the end.
[in]	crc_validate	Flag to indicate whether to validate the incoming image fragments by means of IEEE CRC32.

Return values

0	Ready to start a new firmware upgrade.

Returns

A positive number of bytes written so far, if the previous upgrade was not completed. In this case, the upgrade will resume from this offset.

Return values

-EBUSY	Another firmware upgrade is already ongoing.
-EFBIG	File size exceeds the DFU area size.
-ENOTSUP	Firmware image not supported or unknown.
-EIO	Internal error.