File content as of revision 24:f00666a1be3a:

/**
 * 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 "mbed.h"
#include "Sensors.h"
#include "qsd.h"

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

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

using namespace events;

// Max payload size can be LORAMAC_PHY_MAXPAYLOAD.
// This example only communicates with much shorter messages (<30 bytes).
// If longer messages are used, these buffers must be changed accordingly.
uint8_t tx_buffer[30];
uint8_t rx_buffer[30];

/*
 * Sets up an application dependent transmission timer in ms. Used only when Duty Cycling is off for testing
 */
#define TX_TIMER                        10000

/**
 * 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

/**
 * Dummy pin for dummy sensor
 */
#define PC_9                            0

/**
 * Dummy sensor class object
 */

/**
* 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);

/**
 * 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);

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

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

/**
 * Entry point for application
 */
 
// Masque selection de bits
#define MSK1    0xFF
#define MSK2    0xFF00
#define MSK3    0xFF0000
#define MSK4    0xFF000000
 
uint8_t MSGtosend[30];
int pos, pos_1,pos_2;
SENSORS capteur;
QSD  qsd;
int QSD_value;
int QSD_VAL1,QSD_VAL2,QSD_VAL3,QSD_VAL4;

int courant , courant_1,courant_2 ;

DigitalOut led(PA_11); 
int tension_bat;

int main (void)
{

        /*
        tension_bat = capteur.vbat_sensor();
        MSGtosend[0]=0x07;
        MSGtosend[1]=0x01;
        MSGtosend[2]= tension_bat ;   
        */
        
        /*
        courant = capteur.current_sensor();
        courant_1 = ((courant) & MSK1) >>0;
        courant_2 = ((courant) & MSK2) >>8;
        MSGtosend[0]=0x06;
        MSGtosend[1]=0x02;
        MSGtosend[2]=courant_2;
        MSGtosend[3]=courant_1;
        */
        
        
        pos = capteur.transducer_sensor();
        if(pos<1600)
        {
            led = 1;
        }
        else
        {
            led = 0;
        }
            
        pos_1 = (pos & MSK1) >>0;
        pos_2 = (pos & MSK2) >>8;
        
        MSGtosend[0]=0x04;
        MSGtosend[1]=0x02;
        MSGtosend[2]=0x00;
        MSGtosend[3]=pos;
        
        /*
        
        QSD_value = qsd.read();
        //printf("\r\n QSD Sensor Value = %d \r\n", QSD_value);
        QSD_VAL1 = (QSD_value & MSK1)>>0;
        QSD_VAL2 = (QSD_value & MSK2)>>8;
        QSD_VAL3 = (QSD_value & MSK3)>>16;
        QSD_VAL4 = (QSD_value & MSK4)>>24;
        MSGtosend[0]=QSD_VAL4;
        MSGtosend[1]=QSD_VAL3;
        MSGtosend[2]=QSD_VAL2;
        MSGtosend[3]=QSD_VAL1;
        */
        
    // setup tracing
    setup_trace();

    // stores the status of a call to LoRaWAN protocol
    lorawan_status_t retcode;

    // 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");

    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;


}


/**
 * Sends a message to the Network Server
 */
static void send_message()
{
     uint8_t packet_len;
    int8_t retcode;

    packet_len = 4;

    retcode = lorawan.send(MBED_CONF_LORA_APP_PORT, MSGtosend, packet_len,
                           MSG_CONFIRMED_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);
        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()
{
    int16_t retcode;
    retcode = lorawan.receive(MBED_CONF_LORA_APP_PORT, rx_buffer,
                              sizeof(rx_buffer),
                              MSG_CONFIRMED_FLAG|MSG_UNCONFIRMED_FLAG);

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

    printf(" Data:");

    for (uint8_t i = 0; i < retcode; i++) {
        printf("%x", rx_buffer[i]);
    }

    printf("\r\n Data Length: %d\r\n", retcode);

    memset(rx_buffer, 0, sizeof(rx_buffer));
}
*/
/**
 * Event handler
 */
static void lora_event_handler(lorawan_event_t event)
{
    switch (event) 
    {
        case CONNECTED:
            printf("\r\n Connection - Successful \r\n");
            if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
                send_message();
            } else {
                ev_queue.call_every(TX_TIMER, send_message);
            }

            break;
        case TX_DONE:
            printf("\r\n Message Sent to Network Server \r\n");
            if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
               ev_queue.break_dispatch();
               //timer.reset();
            }                        
    } 
    
}
// EOF