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#include <zephyr/device.h>
#include <zephyr/drivers/lora.h>
#include <zephyr/kernel.h>
#include <zephyr/sys/util.h>
#define DEFAULT_RADIO_NODE DT_ALIAS(lora0)
BUILD_ASSERT(DT_NODE_HAS_STATUS(DEFAULT_RADIO_NODE, okay),
"Board has no LoRa modem");
#define LOG_LEVEL CONFIG_LOG_DEFAULT_LEVEL
#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(lora);
void lora_rx_cb(const struct device *dev, uint8_t *data, uint16_t size,
int16_t rssi, int8_t snr)
{
ARG_UNUSED(dev);
ARG_UNUSED(size);
LOG_INF("rx: %s (RSSI: %d dBm, SNR: %d dBm)", data, rssi, snr);
}
int main(void)
{
const struct device *const lora_dev = DEVICE_DT_GET(DEFAULT_RADIO_NODE);
struct lora_modem_config config;
int ret;
if (!device_is_ready(lora_dev)) {
LOG_ERR("%s Device not ready", lora_dev->name);
return 0;
}
config.frequency = 433175000;
config.bandwidth = BW_125_KHZ;
config.datarate = SF_10;
config.preamble_len = 8;
config.coding_rate = CR_4_5;
config.iq_inverted = false;
config.public_network = false;
config.tx_power = 14;
config.tx = false;
ret = lora_config(lora_dev, &config);
if (ret < 0) {
LOG_ERR("LoRa config failed");
return 0;
}
lora_recv_async(lora_dev, lora_rx_cb);
k_sleep(K_FOREVER);
return 0;
}
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