Hi! I am using cellular GNSS example 6 provided by DEV Academy. I am getting compile time duplicate IRQ error message.
/*
* Copyright (c) 2022 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
*/
#include <stdio.h>
#include <zephyr/kernel.h>
#include <zephyr/logging/log.h>
#include <modem/lte_lc.h>
// #include <dk_buttons_and_leds.h>
/* STEP 4 - Include the header file for the GNSS interface */
#include <nrf_modem_gnss.h>
/* STEP 5 - Define the PVT data frame variable */
static struct nrf_modem_gnss_pvt_data_frame pvt_data;
/* STEP 12.1 - Declare helper variables to find the TTFF */
static int64_t gnss_start_time;
static bool first_fix = false;
static K_SEM_DEFINE(lte_connected, 0, 1);
LOG_MODULE_REGISTER(Lesson6_Exercise1, LOG_LEVEL_INF);
static void modem_configure(void)
{
int err = lte_lc_init();
if (err) {
LOG_ERR("Failed to initialize LTE Link Controller, error: %d", err);
return;
}
}
/* STEP 6 - Define a function to log fix data in a readable format */
static void print_fix_data(struct nrf_modem_gnss_pvt_data_frame *pvt_data)
{
LOG_INF("Latitude: %.06f", pvt_data->latitude);
LOG_INF("Longitude: %.06f", pvt_data->longitude);
LOG_INF("Altitude: %.01f m", pvt_data->altitude);
LOG_INF("Time (UTC): %02u:%02u:%02u.%03u",
pvt_data->datetime.hour,
pvt_data->datetime.minute,
pvt_data->datetime.seconds,
pvt_data->datetime.ms);
}
static void gnss_event_handler(int event)
{
int err;
switch (event) {
/* STEP 7 - On a PVT event, confirm if PVT data is a valid fix */
case NRF_MODEM_GNSS_EVT_PVT:
LOG_INF("Searching...");
/* STEP 15 - Print satellite information */
int num_satellites = 0;
for (int i = 0; i < 12 ; i++) {
if (pvt_data.sv[i].signal != 0) {
LOG_INF("sv: %d, cn0: %d", pvt_data.sv[i].sv, pvt_data.sv[i].cn0);
num_satellites++;
}
}
LOG_INF("Number of current satellites: %d", num_satellites);
err = nrf_modem_gnss_read(&pvt_data, sizeof(pvt_data), NRF_MODEM_GNSS_DATA_PVT);
if (err) {
LOG_ERR("nrf_modem_gnss_read failed, err %d", err);
return;
}
if (pvt_data.flags & NRF_MODEM_GNSS_PVT_FLAG_FIX_VALID) {
//dk_set_led_on(DK_LED1);
print_fix_data(&pvt_data);
/* STEP 12.3 - Print the time to first fix */
if (!first_fix) {
LOG_INF("Time to first fix: %2.1lld s", (k_uptime_get() - gnss_start_time)/1000);
first_fix = true;
}
return;
}
break;
/* STEP 7.2 - Log when the GNSS sleeps and wakes up */
case NRF_MODEM_GNSS_EVT_PERIODIC_WAKEUP:
LOG_INF("GNSS has woken up");
break;
case NRF_MODEM_GNSS_EVT_SLEEP_AFTER_FIX:
LOG_INF("GNSS enter sleep after fix");
break;
default:
break;
}
}
void main(void)
{
// if (dk_leds_init() != 0) {
// LOG_ERR("Failed to initialize the LEDs Library");
// }
modem_configure();
/* STEP 8 - Activate only the GNSS stack */
if (lte_lc_func_mode_set(LTE_LC_FUNC_MODE_ACTIVATE_GNSS) != 0) {
LOG_ERR("Failed to activate GNSS functional mode");
return;
}
/* STEP 9 - Register the GNSS event handler */
if (nrf_modem_gnss_event_handler_set(gnss_event_handler) != 0) {
LOG_ERR("Failed to set GNSS event handler");
return;
}
/* STEP 10 - Set the GNSS fix interval and GNSS fix retry period */
if (nrf_modem_gnss_fix_interval_set(CONFIG_GNSS_PERIODIC_INTERVAL) != 0) {
LOG_ERR("Failed to set GNSS fix interval");
return;
}
if (nrf_modem_gnss_fix_retry_set(CONFIG_GNSS_PERIODIC_TIMEOUT) != 0) {
LOG_ERR("Failed to set GNSS fix retry");
return;
}
/* STEP 11 - Start the GNSS receiver*/
LOG_INF("Starting GNSS");
if (nrf_modem_gnss_start() != 0) {
LOG_ERR("Failed to start GNSS");
return;
}
/* STEP 12.2 - Log the current system uptime */
gnss_start_time = k_uptime_get();
}
This is output of IRQ ERROR message.
Following is my project config file.
# # Copyright (c) 2019 Nordic Semiconductor ASA # # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause # # Logging CONFIG_LOG=y # Button and LED support CONFIG_DK_LIBRARY=y # Newlib CONFIG_NEWLIB_LIBC=y # STEP 2.2 - Enable printing of floating-points CONFIG_NEWLIB_LIBC_FLOAT_PRINTF=y CONFIG_FPU=y # Network CONFIG_NETWORKING=y CONFIG_NET_NATIVE=n CONFIG_NET_SOCKETS=y CONFIG_NET_SOCKETS_OFFLOAD=y CONFIG_NET_SOCKETS_POSIX_NAMES=y # Memory CONFIG_HEAP_MEM_POOL_SIZE=4096 CONFIG_MAIN_STACK_SIZE=4096 # Modem library CONFIG_NRF_MODEM_LIB=y # LTE link control CONFIG_LTE_LINK_CONTROL=y CONFIG_LTE_AUTO_INIT_AND_CONNECT=n # STEP 2.1 - Enable modem GPS mode CONFIG_LTE_NETWORK_MODE_LTE_M_NBIOT_GPS=y
