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samples: lora/receive: Added support for RSSI, SNR 

Change to display RSSI and SNR values of the received data.
This change helps to test LoRa's communication distance and
communication quality.

Signed-off-by: Kwon Tae-young <tykwon@m2i.co.kr>
This commit is contained in:
Kwon Tae-young 2020-01-15 12:23:34 +09:00 committed by Anas Nashif
parent c86d7ff320
commit c88816cb6e
1 changed files with 6 additions and 2 deletions
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8
samples/drivers/lora/receive/src/main.c
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@ -22,6 +22,8 @@ void main(void)
struct lora_modem_config config;
int ret, len;
u8_t data[MAX_DATA_LEN] = {0};
s16_t rssi;
s8_t snr;
lora_dev = device_get_binding(DT_INST_0_SEMTECH_SX1276_LABEL);
if (!lora_dev) {
@ -45,12 +47,14 @@ void main(void)
while (1) {
/* Block until data arrives */
len = lora_recv(lora_dev, data, MAX_DATA_LEN, K_FOREVER);
len = lora_recv(lora_dev, data, MAX_DATA_LEN, K_FOREVER,
&rssi, &snr);
if (len < 0) {
LOG_ERR("LoRa receive failed");
return;
}
LOG_INF("Received data: %s", log_strdup(data));
LOG_INF("Received data: %s (RSSI:%ddBm, SNR:%ddBm)",
log_strdup(data), rssi, snr);
}
}