Diff: main.cpp

Revision:

0:2e040cc7f7b8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jan 03 16:18:09 2019 -0800
@@ -0,0 +1,406 @@
+/**
+ * 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 "lorawan/LoRaWANInterface.h"
+#include "lorawan/system/lorawan_data_structures.h"
+#include "events/EventQueue.h"
+
+#include "mbed.h"
+// Application helpers
+#include "gps.h"
+#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
+ */
+//DS1820  ds1820(PC_9);
+
+/**
+* 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;
+
+#ifdef TARGET_MOTE_L152RC
+    GPS gps(PB_6, PB_7, PB_11);    // on-board GPS pins (tx, rx, en)
+#elif defined(TARGET_FF_MORPHO)
+    /*    https://www.sparkfun.com/products/13740   */
+    #ifdef TARGET_DISCO_L072CZ_LRWAN1
+        GPS gps(PA_9, PA_10, NC);
+    #else
+        GPS gps(PC_10, PC_11, NC);
+    #endif
+#endif
+
+void gps_service()
+{
+    //int alt;
+
+    gps.service();
+
+    //alt = atoi( gps.NmeaGpsData.NmeaAltitude );
+    //printf("lat:%f lon:%f alt:%d\r\n", gps.Latitude, gps.Longitude, alt);
+}
+
+#ifdef TARGET_MOTE_L152RC
+typedef enum
+{
+    BOARD_VERSION_NONE = 0,
+    BOARD_VERSION_2,
+    BOARD_VERSION_3,
+}BoardVersion_t;
+
+DigitalOut Pc7( PC_7 );
+DigitalIn Pc1( PC_1 );
+BoardVersion_t BoardGetVersion( void )
+{
+    Pc7 = 1;
+    char first = Pc1;
+    Pc7 = 0;
+
+    if( first && !Pc1 )
+    {
+        return BOARD_VERSION_2;
+    }
+    else
+    {
+        return BOARD_VERSION_3;
+    }
+}
+AnalogIn *Battery;
+#endif /* TARGET_MOTE_L152RC */
+
+/**
+ * Entry point for application
+ */
+int main (void)
+{
+    // setup tracing
+    setup_trace();
+
+    // stores the status of a call to LoRaWAN protocol
+    lorawan_status_t retcode;
+
+#ifdef TARGET_MOTE_L152RC
+    switch( BoardGetVersion( ) )
+    {
+        case BOARD_VERSION_2:
+            Battery = new AnalogIn( PA_0 );
+            gps.en_invert = true;
+            printf("v2-mote\r\n");
+            break;
+        case BOARD_VERSION_3:
+            Battery = new AnalogIn( PA_1 );
+            gps.en_invert = false;
+            printf("v3-mote\r\n");
+            break;
+        default:
+            break;
+    }
+#endif /* TARGET_MOTE_L152RC */
+    gps.init();
+    gps.enable(1);
+    gps.m_uart.baud(9600);  // override platform serial baud rate
+
+    // 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;
+}
+
+#define LPP_DIGITAL_INPUT       0       // 1 byte
+#define LPP_DIGITAL_OUTPUT      1       // 1 byte
+#define LPP_ANALOG_INPUT        2       // 2 bytes, 0.01 signed
+#define LPP_ANALOG_OUTPUT       3       // 2 bytes, 0.01 signed
+#define LPP_LUMINOSITY          101     // 2 bytes, 1 lux unsigned
+#define LPP_PRESENCE            102     // 1 byte, 1
+#define LPP_TEMPERATURE         103     // 2 bytes, 0.1°C signed
+#define LPP_RELATIVE_HUMIDITY   104     // 1 byte, 0.5% unsigned
+#define LPP_ACCELEROMETER       113     // 2 bytes per axis, 0.001G
+#define LPP_BAROMETRIC_PRESSURE 115     // 2 bytes 0.1 hPa Unsigned
+#define LPP_GYROMETER           134     // 2 bytes per axis, 0.01 °/s
+#define LPP_GPS                 136     // 3 byte lon/lat 0.0001 °, 3 bytes alt 0.01m
+
+
+// Data ID + Data Type + Data Size
+#define LPP_DIGITAL_INPUT_SIZE       3
+#define LPP_DIGITAL_OUTPUT_SIZE      3
+#define LPP_ANALOG_INPUT_SIZE        4
+#define LPP_ANALOG_OUTPUT_SIZE       4
+#define LPP_LUMINOSITY_SIZE          4
+#define LPP_PRESENCE_SIZE            3
+#define LPP_TEMPERATURE_SIZE         4
+#define LPP_RELATIVE_HUMIDITY_SIZE   3
+#define LPP_ACCELEROMETER_SIZE       8
+#define LPP_BAROMETRIC_PRESSURE_SIZE 4
+#define LPP_GYROMETER_SIZE           8
+#define LPP_GPS_SIZE                 11
+
+#define CAYENNE_CH_GPS      5
+
+
+/**
+ * Sends a message to the Network Server
+ */
+static void send_message()
+{
+    int32_t lat, lon, alt;
+    uint16_t packet_len;
+    int16_t retcode;
+
+    lat = gps.Latitude * 10000;
+    lon = gps.Longitude * 10000;
+    alt = atoi(gps.NmeaGpsData.NmeaAltitude) * 100;
+
+    packet_len = 0;
+    tx_buffer[packet_len++] = CAYENNE_CH_GPS;
+    tx_buffer[packet_len++] = LPP_GPS;
+    tx_buffer[packet_len++] = lat >> 16;
+    tx_buffer[packet_len++] = lat >> 8;
+    tx_buffer[packet_len++] = lat;
+    tx_buffer[packet_len++] = lon >> 16;
+    tx_buffer[packet_len++] = lon >> 8;
+    tx_buffer[packet_len++] = lon;
+    tx_buffer[packet_len++] = alt >> 16;
+    tx_buffer[packet_len++] = alt >> 8;
+    tx_buffer[packet_len++] = alt;
+
+    retcode = lorawan.send(MBED_CONF_LORA_APP_PORT, tx_buffer, 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);
+
+        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;
+    }
+    for (alt = 0; alt < packet_len; alt++) {
+        printf("%02x", tx_buffer[alt]);
+    }
+
+    alt = atoi( gps.NmeaGpsData.NmeaAltitude );
+    printf("\r\n %d bytes scheduled for tx\tlat:%f lon:%f alt:%d\r\n", retcode, gps.Latitude, gps.Longitude, (int)alt);
+    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 ");
+            ev_queue.call_every(1000, gps_service);
+            if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
+                printf("DUTY_ON\r\n");
+                send_message();
+            } else {
+                printf("(duty off)\r\n");
+                ev_queue.call_every(TX_TIMER, 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:
+            printf("\r\nTX_TIMEOUT\r\n");
+            // try again
+            /*if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
+                send_message();
+            }*/
+            break;
+        case TX_ERROR:
+            // no ack was received after enough retries
+            printf("\r\nTX_ERROR\r\n");
+            // try again
+            /*if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
+                send_message();
+            }*/
+            break;
+        case TX_CRYPTO_ERROR:
+            printf("\r\nTX_CRYPTO_ERROR\r\n");
+            // try again
+            /*if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
+                send_message();
+            }*/
+            break;
+        case TX_SCHEDULING_ERROR:
+            printf("\r\nTX_SCHEDULING_ERROR\r\n");
+            // 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