nfc_t4t_ndef_rwpayload_set()

int nfc_t4t_ndef_rwpayload_set	(	uint8_t *	emulation_buffer,
		size_t	buffer_length
	)

#include <nfc/include/nfc_t4t_lib.h>

Set emulation buffer and content for a NDEF Tag emulation that is Read/Writable.

The buffer needs to be kept accessible for the lifetime of the emulation. If an external Reader-Writer changes the NDEF content it is signaled through the app-callback. Buffer can be changed during the lifetime of the emulation, when NDEF READ or UPDATE procedure is pending, and it will be changed after this procedure has completed. To perform this procedure safely, make sure to disable NFC interrupts.

Parameters

emulation_buffer	Buffer pointer
buffer_length	Length of buffer (maximum writable NDEF size)

Return values

0	Success.
-NRF_EINVAL	Invalid argument (for example, wrong data length, NULL pointer).
-NRF_EOPNOTSUPP	If the new buffer has a different length than the first one.
-NRF_EFAULT	If the provided buffer is the currently used buffer.