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lorawan: add LoRaWAN Class C support

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The functions for Class C mode are already provided by LoRaMAC layer.

A device in this mode is listening for incoming downlink messages almost
continuously, which results in higher energy consumption.

Class C mode is required for FUOTA.

Signed-off-by: Martin Jäger <martin@libre.solar>
This commit is contained in:
Martin Jäger 2022-06-13 11:35:34 +02:00 committed by Anas Nashif
parent 6d42ded565
commit 65eede8194
1 changed files with 15 additions and 8 deletions
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23
subsys/lorawan/lorawan.c
View File

@ -363,28 +363,35 @@ out:
int lorawan_set_class(enum lorawan_class dev_class)
{
LoRaMacStatus_t status;
MibRequestConfirm_t mib_req;
DeviceClass_t current_class;
LoRaMacStatus_t status;
mib_req.Type = MIB_DEVICE_CLASS;
LoRaMacMibGetRequestConfirm(&mib_req);
current_class = mib_req.Param.Class;
switch (dev_class) {
case LORAWAN_CLASS_A:
mib_req.Param.Class = CLASS_A;
break;
case LORAWAN_CLASS_B:
case LORAWAN_CLASS_C:
LOG_ERR("Device class not supported yet!");
LOG_ERR("Class B not supported yet!");
return -ENOTSUP;
case LORAWAN_CLASS_C:
mib_req.Param.Class = CLASS_C;
break;
default:
return -EINVAL;
}
status = LoRaMacMibSetRequestConfirm(&mib_req);
if (status != LORAMAC_STATUS_OK) {
LOG_ERR("Failed to set device class: %s",
lorawan_status2str(status));
return lorawan_status2errno(status);
if (mib_req.Param.Class != current_class) {
status = LoRaMacMibSetRequestConfirm(&mib_req);
if (status != LORAMAC_STATUS_OK) {
LOG_ERR("Failed to set device class: %s",
lorawan_status2str(status));
return lorawan_status2errno(status);
}
}
return 0;