File content as of revision 66:a11c79073f1f:

/**
 * Copyright (c) 2017, Arm Limited and affiliates.
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <stdio.h>

#include "Watchdog.h"
#include "lorawan/LoRaWANInterface.h"
#include "lorawan/system/lorawan_data_structures.h"
#include "events/EventQueue.h"

// Application helpers
#include "DummySensor.h"
#include "trace_helper.h"
#include "lora_radio_helper.h"

#include <mbed.h>
#include "mbed_stats.h"

#include "Watchdog.h"

using namespace events;

// Max payload size can be LORAMAC_PHY_MAXPAYLOAD.
uint8_t tx_buffer[13];
uint8_t rx_buffer[13];

float Home_Longitude;
float Home_Latitude;

float Home_Distance;
float Home_Distance_max;
bool GPS_activ,LORA_activ,AtHome;



DigitalOut GPSenable(PC_6);
int LiveTick;

bool IsLoading;
AnalogIn LadeSpannung(PB_0); // 1/11 der gleichgerichteten Spannung am Dynamo

/*
 * Sets up an application dependent transmission timer in ms. Used only when Duty Cycling is off for testing
 */
#define TX_TIMER                        100000

/**
 * Maximum number of events for the event queue.
 * 10 is the safe number for the stack events, however, if application
 * also uses the queue for whatever purposes, this number should be increased.
 */
#define MAX_NUMBER_OF_EVENTS            10

/**
 * Maximum number of retries for CONFIRMED messages before giving up
 */
#define CONFIRMED_MSG_RETRY_COUNTER     3


  DigitalOut led(LED2);

#include "Fahrrad.h"

/**
* This event queue is the global event queue for both the
* application and stack. To conserve memory, the stack is designed to run
* in the same thread as the application and the application is responsible for
* providing an event queue to the stack that will be used for ISR deferment as
* well as application information event queuing.
*/
static EventQueue ev_queue(MAX_NUMBER_OF_EVENTS *EVENTS_EVENT_SIZE);

static void send_message();

/**
 * Event handler.
 *
 * This will be passed to the LoRaWAN stack to queue events for the
 * application which in turn drive the application.
 */
static void lora_event_handler(lorawan_event_t event);


static void send_Position_to_Lora(uint8_t OptCode,GPS_Position current_pos);


/**
 * Constructing Mbed LoRaWANInterface and passing it the radio object from lora_radio_helper.
 */
static LoRaWANInterface lorawan(radio);

/**
 * Application specific callbacks
 */
static lorawan_app_callbacks_t callbacks;



static void LifeTicker()
{
    Watchdog &watchdog = Watchdog::get_instance();    
    Watchdog::get_instance().kick(); // kick the Watchdog before the timeout
        
    LiveTick=LiveTick+1;
    printf("\n[LiveTick] --- [%i]\n\n", LiveTick);
    
       mbed_stats_cpu_t stats;
       mbed_stats_cpu_get(&stats);
       printf("[SYSTEM] Uptime: %llu ", stats.uptime / 1000);
       printf("Idle: %llu ", stats.idle_time / 1000);       
       printf("Sleep: %llu ", stats.sleep_time / 1000);
       printf("Deep: %llu\n", stats.deep_sleep_time / 1000);
    
    
    printf("[SYSTEM] Ladewert: %3.3f%%\n", LadeSpannung.read()*100.0f);
    if(LadeSpannung.read() > 0.05f) {
            if (not IsLoading) {Licht_hell();}
            IsLoading = 1;
        } else {
            if (IsLoading) {ev_queue.call_in(3000, Licht_dunkel);}
            IsLoading = 0;
        }        
        
        
        
    GPS_Position current_pos;
    
    if(LiveTick>10 && LiveTick<<15){
    GPSenable=1;}
    else
    {
    current_pos = GPS_aktiv(); 
    
    if(LORA_activ)
    {
    printf("\n[LORA] Connected\n");    
    send_Position_to_Lora(0x11, current_pos);
    }
    else 
    {
    printf("\n[LORA] not Connected\n");        
    }
        }
    
    
    
    
    
    
    


           
   // ev_queue.call_in(5000, LifeTicker);
}




/**
 * Entry point for application
 */
int main(void)
{ 
    Watchdog &watchdog = Watchdog::get_instance();
    
    watchdog.start(30000);
    uint32_t watchdog_timeout = watchdog.get_timeout();
    printf("Watchdog initialized to %lu ms.\r\n", watchdog_timeout);
    
    
    ev_queue.call_every(15000,LifeTicker);
    
    // setup tracing
    setup_trace();
    
    //Starte_Fahrrad_Eventmanager(); //schonmal die Fahrrad Events Initialisieren falls wir hier auch ohne lorawan empfang was machen wollen
 

    // Initialize LoRaWAN stack
    if (lorawan.initialize(&ev_queue) != LORAWAN_STATUS_OK) {
        printf("\r\n LoRa initialization failed! \r\n");
        return -1;
    }

    printf("\r\n Mbed LoRaWANStack initialized \r\n");

    // prepare application callbacks
    callbacks.events = mbed::callback(lora_event_handler);
    lorawan.add_app_callbacks(&callbacks);

    // Set number of retries in case of CONFIRMED messages
    if (lorawan.set_confirmed_msg_retries(CONFIRMED_MSG_RETRY_COUNTER)
            != LORAWAN_STATUS_OK) {
        printf("\r\n set_confirmed_msg_retries failed! \r\n\r\n");
        return -1;
    }

    printf("\r\n CONFIRMED message retries : %d \r\n",
           CONFIRMED_MSG_RETRY_COUNTER);

    // Enable adaptive data rate
    if (lorawan.enable_adaptive_datarate() != LORAWAN_STATUS_OK) {
        printf("\r\n enable_adaptive_datarate failed! \r\n");
        return -1;
    }

    printf("\r\n Adaptive data  rate (ADR) - Enabled \r\n");

    // stores the status of a call to LoRaWAN protocol
    lorawan_status_t retcode;
    retcode = lorawan.connect();    
    if (retcode == LORAWAN_STATUS_OK ||
            retcode == LORAWAN_STATUS_CONNECT_IN_PROGRESS) {
    } else {
        printf("\r\n Connection error, code = %d \r\n", retcode);
        return -1;
    }

    printf("\r\n Connection - In Progress ...\r\n");

    // make your event queue dispatching events forever
    ev_queue.dispatch_forever();
    
    return 0;
}


static void send_Position_to_Lora(uint8_t OptCode,GPS_Position current_pos)
{
    
    //1Byte Opcode 0x01
    //4Byte Timestemp
    //4Byte Longitude
    //4Byte Latitude 
    
    uint8_t tmpbytes[sizeof(float)];  
    
    tx_buffer[0] = OptCode;
        
    *((float *)tmpbytes) = current_pos.Zeitstempel; 
    tx_buffer[1] = tmpbytes[0];
    tx_buffer[2] = tmpbytes[1];
    tx_buffer[3] = tmpbytes[2];
    tx_buffer[4] = tmpbytes[3];
    
    *((float *)tmpbytes) = current_pos.Longitude; 
    tx_buffer[5] = tmpbytes[0];
    tx_buffer[6] = tmpbytes[1];
    tx_buffer[7] = tmpbytes[2];
    tx_buffer[8] = tmpbytes[3];
    
    *((float *)tmpbytes) = current_pos.Latitude; 
    tx_buffer[9]  = tmpbytes[0];
    tx_buffer[10] = tmpbytes[1];
    tx_buffer[11] = tmpbytes[2];
    tx_buffer[12] = tmpbytes[3];
    
    printf("\tSend Message:%02X:%02X%02X%02X%02X:%02X%02X%02X%02X:%02X%02X%02X%02X \n",
                    tx_buffer[0],
                    tx_buffer[1],tx_buffer[2],tx_buffer[3],tx_buffer[4],
                    tx_buffer[5],tx_buffer[6],tx_buffer[7],tx_buffer[8],
                    tx_buffer[9],tx_buffer[10],tx_buffer[11],tx_buffer[12]);   
    send_message();
}

/**
 * Sends a message to the Network Server
 */
static void send_message()
{
    
    uint16_t packet_len;
    int16_t retcode;    
    packet_len = sizeof(tx_buffer);

    retcode = lorawan.send(MBED_CONF_LORA_APP_PORT, tx_buffer, packet_len,
                           MSG_UNCONFIRMED_FLAG);

    if (retcode < 0) {
        retcode == LORAWAN_STATUS_WOULD_BLOCK ? printf("send - WOULD BLOCK\r\n")
        : printf("\r\n send() - Error code %d \r\n", retcode);

        if (retcode == LORAWAN_STATUS_WOULD_BLOCK) {
            //retry in 3 seconds
            if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
                ev_queue.call_in(3000, send_message);
            }
        }
        return;
    }

    printf("\r\n %d bytes scheduled for transmission \r\n", retcode);
    memset(tx_buffer, 0, sizeof(tx_buffer));
}

/**
 * Receive a message from the Network Server
 */
static void receive_message()
{
    uint8_t port;
    int flags;
    int16_t retcode = lorawan.receive(rx_buffer, sizeof(rx_buffer), port, flags);

    if (retcode < 0) {
        printf("\r\n receive() - Error code %d \r\n", retcode);
        return;
    }

    printf(" RX Data on port %u (%d bytes): ", port, retcode);
    for (uint8_t i = 0; i < retcode; i++) {
        printf("%02x ", rx_buffer[i]);
    }
        
    if (rx_buffer[0] == 0xa0) Licht_aus(); 
    if (rx_buffer[0] == 0xa1)Licht_an();        
    if (rx_buffer[0] == 0xb1) Blinken_ein();
    if (rx_buffer[0] == 0xb0) Blinken_aus()   ;   
   
   
    
    if (rx_buffer[0] == 0xc1)GPS_anfordern();    
    
    printf("\r\n");
    
    memset(rx_buffer, 0, sizeof(rx_buffer));
}

/**
 * Event handler
 */
static void lora_event_handler(lorawan_event_t event)
{
    switch (event) {
        case CONNECTED:
            LORA_activ=1;
            printf("\r\n Connection - Successful \r\n");

            //ev_queue.call_every(5000, send_message);
          

            break;
        case DISCONNECTED:
            ev_queue.break_dispatch();
            printf("\r\n Disconnected Successfully \r\n");
            break;
        case TX_DONE:
            printf("\r\n Message Sent to Network Server \r\n");
            if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
                //send_message();
            }
            break;
        case TX_TIMEOUT:
        
            LORA_activ=0;
        case TX_ERROR:
        case TX_CRYPTO_ERROR:
        case TX_SCHEDULING_ERROR:
            printf("\r\n Transmission Error - EventCode = %d \r\n", event);
            // try again
            if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
                send_message();
            }
            break;
        case RX_DONE:
            printf("\r\n Received message from Network Server \r\n");
            receive_message();
            break;
        case RX_TIMEOUT:
        case RX_ERROR:
            printf("\r\n Error in reception - Code = %d \r\n", event);
            break;
        case JOIN_FAILURE:
            printf("\r\n OTAA Failed - Check Keys \r\n");
            break;
        case UPLINK_REQUIRED:
            printf("\r\n Uplink required by NS \r\n");
            if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
                send_message();
            }
            break;
        default:
            MBED_ASSERT("Unknown Event");
    }
}





// EOF