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samples: lorawan: class_a: add datarate callback

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Add an example callback implementation that prints out the new maximum
payload given the updated datarate.

Signed-off-by: Jordan Yates <jordan.yates@data61.csiro.au>
This commit is contained in:
Jordan Yates 2021-01-20 23:02:44 +10:00 • committed by Anas Nashif
commit aeac33a7a2
1 changed files with 10 additions and 0 deletions
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10
samples/lorawan/class_a/src/main.c
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@ -32,6 +32,14 @@ LOG_MODULE_REGISTER(lorawan_class_a);
char data[] = {'h', 'e', 'l', 'l', 'o', 'w', 'o', 'r', 'l', 'd'};
static void lorwan_datarate_changed(enum lorawan_datarate dr)
{
uint8_t unused, max_size;
lorawan_get_payload_sizes(&unused, &max_size);
LOG_INF("New Datarate: DR_%d, Max Payload %d", dr, max_size);
}
void main(void)
{
const struct device *lora_dev;
@ -53,6 +61,8 @@ void main(void)
return;
}
lorawan_register_dr_changed_callback(lorwan_datarate_changed);
join_cfg.mode = LORAWAN_ACT_OTAA;
join_cfg.dev_eui = dev_eui;
join_cfg.otaa.join_eui = join_eui;