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samples: net: lwm2m_client: Add an example use of the validation cb

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Add an example usage of the validation callback to the lwm2m_client
sample.

Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
This commit is contained in:
Robert Lubos 2021-02-22 13:08:24 +01:00 • committed by Anas Nashif
commit d9c7214fab
1 changed files with 21 additions and 0 deletions
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21
samples/net/lwm2m_client/src/lwm2m-client.c
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@ -233,6 +233,25 @@ static int firmware_block_received_cb(uint16_t obj_inst_id,
}
#endif
/* An example data validation callback. */
static int timer_on_off_validate_cb(uint16_t obj_inst_id, uint16_t res_id,
uint16_t res_inst_id, uint8_t *data,
uint16_t data_len, bool last_block,
size_t total_size)
{
LOG_INF("Validating On/Off data");
if (data_len != 1) {
return -EINVAL;
}
if (*data > 1) {
return -EINVAL;
}
return 0;
}
static int timer_digital_state_cb(uint16_t obj_inst_id,
uint16_t res_id, uint16_t res_inst_id,
uint8_t *data, uint16_t data_len,
@ -365,6 +384,8 @@ static int lwm2m_setup(void)
/* IPSO: Timer object */
lwm2m_engine_create_obj_inst("3340/0");
lwm2m_engine_register_validate_callback("3340/0/5850",
timer_on_off_validate_cb);
lwm2m_engine_register_post_write_callback("3340/0/5543",
timer_digital_state_cb);
lwm2m_engine_set_res_data("3340/0/5750", TIMER_NAME, sizeof(TIMER_NAME),