zephyr/subsys/lorawan/lorawan_emul.c

159 lines
3.0 KiB
C

/*
* Copyright (c) 2024 A Labs GmbH
* Copyright (c) 2024 tado GmbH
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/lorawan/emul.h>
#include <zephyr/lorawan/lorawan.h>
#include <errno.h>
#include <LoRaMac.h>
#include <Region.h>
#include <zephyr/kernel.h>
#include <zephyr/init.h>
#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(lorawan_emul, CONFIG_LORAWAN_LOG_LEVEL);
static bool lorawan_adr_enable;
static sys_slist_t dl_callbacks;
static DeviceClass_t current_class;
static lorawan_battery_level_cb_t battery_level_cb;
static lorawan_dr_changed_cb_t dr_changed_cb;
static lorawan_uplink_cb_t uplink_cb;
/* implementation required by the soft-se (software secure element) */
void BoardGetUniqueId(uint8_t *id)
{
/* Do not change the default value */
}
void lorawan_emul_send_downlink(uint8_t port, bool data_pending, int16_t rssi, int8_t snr,
uint8_t len, const uint8_t *data)
{
struct lorawan_downlink_cb *cb;
/* Iterate over all registered downlink callbacks */
SYS_SLIST_FOR_EACH_CONTAINER(&dl_callbacks, cb, node) {
if ((cb->port == LW_RECV_PORT_ANY) || (cb->port == port)) {
cb->cb(port, data_pending, rssi, snr, len, data);
}
}
}
int lorawan_join(const struct lorawan_join_config *join_cfg)
{
return 0;
}
int lorawan_set_class(enum lorawan_class dev_class)
{
switch (dev_class) {
case LORAWAN_CLASS_A:
current_class = CLASS_A;
break;
case LORAWAN_CLASS_B:
LOG_ERR("Class B not supported yet!");
return -ENOTSUP;
case LORAWAN_CLASS_C:
current_class = CLASS_C;
break;
default:
return -EINVAL;
}
return 0;
}
int lorawan_set_datarate(enum lorawan_datarate dr)
{
ARG_UNUSED(dr);
/* Bail out if using ADR */
if (lorawan_adr_enable) {
return -EINVAL;
}
return 0;
}
void lorawan_get_payload_sizes(uint8_t *max_next_payload_size, uint8_t *max_payload_size)
{
LoRaMacTxInfo_t tx_info;
/* QueryTxPossible cannot fail */
(void)LoRaMacQueryTxPossible(0, &tx_info);
*max_next_payload_size = tx_info.MaxPossibleApplicationDataSize;
*max_payload_size = tx_info.CurrentPossiblePayloadSize;
}
enum lorawan_datarate lorawan_get_min_datarate(void)
{
return LORAWAN_DR_0;
}
void lorawan_enable_adr(bool enable)
{
lorawan_adr_enable = enable;
}
int lorawan_set_conf_msg_tries(uint8_t tries)
{
return 0;
}
int lorawan_send(uint8_t port, uint8_t *data, uint8_t len, enum lorawan_message_type type)
{
if (data == NULL) {
return -EINVAL;
}
if (uplink_cb != NULL) {
uplink_cb(port, len, data);
}
return 0;
}
void lorawan_register_battery_level_callback(lorawan_battery_level_cb_t cb)
{
battery_level_cb = cb;
}
void lorawan_register_downlink_callback(struct lorawan_downlink_cb *cb)
{
sys_slist_append(&dl_callbacks, &cb->node);
}
void lorawan_register_dr_changed_callback(lorawan_dr_changed_cb_t cb)
{
dr_changed_cb = cb;
}
int lorawan_start(void)
{
return 0;
}
static int lorawan_init(void)
{
sys_slist_init(&dl_callbacks);
return 0;
}
void lorawan_emul_register_uplink_callback(lorawan_uplink_cb_t cb)
{
uplink_cb = cb;
}
SYS_INIT(lorawan_init, POST_KERNEL, 0);