how setting trigger mode using ros

[systemcontrol-genie]

#include <ros/ros.h>
#include <std_msgs/UInt8.h>
#include <adnav_driver/an_packet_protocol.h>
#include <adnav_driver/ins_packets.h>

// GPIO Mode Constants
#define RAW_SENSOR_TRIGGER 0x01
#define EVENT_INPUT_MODE 0x02

ros::Publisher gpio_pub;

void setGPIOConfiguration()
{
gpio_configuration_packet_t gpio_configuration_packet;
gpio_configuration_packet.permanent = 1;
gpio_configuration_packet.gpio_function[0] = gpio_function_packet_trigger_system_state;
gpio_configuration_packet.gpio_function[1] = gpio_function_packet_trigger_raw_sensors;
gpio_configuration_packet.gpio_voltage_selection = gpio_voltage_3v3;
an_packet_t* packet = encode_gpio_configuration_packet(&gpio_configuration_packet);

if (packet != nullptr) 
{
    if (send_packet_to_device(packet)) 
    {
        ROS_INFO("GPIO configuration packet sent successfully.");
    
        std_msgs::UInt8 msg;
        msg.data = packet->data[1];
        gpio_pub.publish(msg);
    
        ROS_INFO("Setting GPIO Configuration: %d", msg.data);
    } 
    else 
    {
        ROS_ERROR("Failed to send GPIO configuration packet.");
    }
}

}
int main(int argc, char** argv)
{

    ros::init(argc, argv, "certus_gpio_control");
    ros::NodeHandle nh;

    gpio_pub = nh.advertise<std_msgs::UInt8>("/an_device/gpio_config", 10);

    //ros::Rate loop_rate(1);  

    while (ros::ok()) 
    {
        setGPIOConfiguration();
        ros::spinOnce();
        loop_rate.sleep();
    }

    return 0;   

}

not working trigger mode