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main_tracker.c
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/*!
* \file main_tracker.c
*
* \brief lr1110 Modem Tracker Application implementation
*
* Revised BSD License
* Copyright Semtech Corporation 2020. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Semtech corporation nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL SEMTECH CORPORATION BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* -----------------------------------------------------------------------------
* --- DEPENDENCIES ------------------------------------------------------------
*/
#include <stdio.h>
#include <time.h>
#include "main_tracker.h"
#include "lr1110-modem-board.h"
#include "Commissioning_tracker.h"
#include "wifi_scan.h"
#include "gnss_scan.h"
#include "tracker_utility.h"
/*
* -----------------------------------------------------------------------------
* --- PRIVATE MACROS-----------------------------------------------------------
*/
/*
* -----------------------------------------------------------------------------
* --- PRIVATE CONSTANTS -------------------------------------------------------
*/
/*!
* \brief Defines a random delay for application data transmission duty cycle. 1s,
* value in [ms].
*/
#define APP_TX_DUTYCYCLE_RND 1000
/*!
* \brief Default datarate when device is static
*/
#define LORAWAN_STATIC_DATARATE LR1110_MODEM_ADR_PROFILE_NETWORK_SERVER_CONTROLLED
/*!
* \brief Default datarate when device is mobile
*/
#define LORAWAN_MOBILE_DATARATE LR1110_MODEM_ADR_PROFILE_MOBILE_LOW_POWER
/*!
* \brief LoRaWAN ETSI duty cycle control enable/disable
*
* \remark Please note that ETSI mandates duty cycled transmissions. Set to false only for test purposes
*/
#define LORAWAN_DUTYCYCLE_ON LR1110_MODEM_DUTY_CYCLE_ENABLE
/*!
* \brief Use the accelerometer movement in application
*
* \remark see ACCELEROMETER_MOUNTED definition
*/
#define USE_ACCELEROMETER true
/*
* -----------------------------------------------------------------------------
* --- PRIVATE TYPES -----------------------------------------------------------
*/
/*
* -----------------------------------------------------------------------------
* --- PRIVATE VARIABLES -------------------------------------------------------
*/
/*!
* \brief Tracker context structure
*/
extern tracker_ctx_t tracker_ctx;
/*!
* \brief Radio hardware and global parameters
*/
extern lr1110_t lr1110;
/*!
* \brief Gnss structure
*/
extern gnss_t gnss;
/*!
* \brief Wifi structure
*/
extern wifi_t wifi;
/*!
* \brief ADR custom list when ADR is set to custom
*/
uint8_t adr_custom_list[16] = { 0x05, 0x05, 0x05, 0x04, 0x04, 0x04, 0x03, 0x03,
0x03, 0x02, 0x02, 0x02, 0x01, 0x01, 0x00, 0x00 };
/*!
* \brief Defines the application data transmission duty cycle
*/
static uint32_t tx_duty_cycle_time;
/*!
* \brief Timer to handle the state of LED TX
*/
static timer_event_t led_tx_timer;
/*!
* \brief Timer to handle the state of LED RX
*/
static timer_event_t led_rx_timer;
/*!
* \brief Stream done counter \note only for trace/debug
*/
static uint32_t stream_cnt = 0;
/*!
* \brief Downlink counter \note only for trace/debug
*/
static uint32_t downlink_cnt = 0;
/*!
* \brief Device states
*/
static enum edevice_state {
DEVICE_STATE_INIT,
DEVICE_STATE_JOIN,
DEVICE_STATE_SEND,
DEVICE_STATE_CYCLE,
DEVICE_COLLECT_DATA,
DEVICE_STATE_SLEEP
} device_state = DEVICE_STATE_INIT;
/*
* -----------------------------------------------------------------------------
* --- PRIVATE FUNCTIONS DECLARATION -------------------------------------------
*/
/*!
* \brief Prints the provided buffer in HEX
*
* \param [in] buffer Buffer to be printed
*
* \param [in] size Buffer size to be printed
*/
static void print_hex_buffer( const uint8_t* buffer, uint8_t size );
/*!
* \brief Prints the LoRaWAN keys
*
* \param [in] dev_eui Device EUI to be printed
*
* \param [in] join_eui Join EUI to be printed
*
* \param [in] app_key Application Key to be printed
*
* \param [in] pin pin code
*/
static void print_lorawan_keys( const uint8_t* dev_eui, const uint8_t* join_eui, const uint8_t* app_key,
const uint32_t pin );
/*!
* \brief Executes the network Join request
*/
static void join_network( void );
/*!
* \brief add payload of the frame
*
* \retval [true : payload could be add, false : error]
*/
static bool add_payload_in_streaming_fifo( uint8_t* payload, uint16_t len );
/*!
* \brief Check if the next scan is possible
*
* \retval [true : scan is possible, false : scan is not possible]
*/
static bool is_next_scan_possible( void );
/*!
* \brief Check if the tracker is in static mode
*
* \retval [true : tracker is static, false : tracker in movement]
*/
static bool is_tracker_in_static_mode( void );
/*!
* \brief Function executed on Led TX Timeout event
*/
static void on_led_tx_timer_event( void* context );
/*!
* \brief Function executed on Led RX Timeout event
*/
static void on_led_rx_timer_event( void* context );
/*!
* \brief Reset event callback
*
* \param [in] reset_count reset counter from the modem
*/
static void lr1110_modem_reset_event( uint16_t reset_count );
/*!
* \brief Network Joined event callback
*/
static void lr1110_modem_network_joined( void );
/*!
* \brief Join Fail event callback
*/
static void lr1110_modem_join_fail( void );
/*!
* \brief Join Fail event callback
*/
static void lr1110_modem_alarm( void );
/*!
* \brief Down data event callback.
*
* \param [in] rssi rssi in signed value in dBm + 64
* \param [in] snr snr signed value in 0.25 dB steps
* \param [in] flags rx flags \see down_data_flag_t
* \param [in] port LoRaWAN port
* \param [in] payload Received buffer pointer
* \param [in] size Received buffer size
*/
static void lr1110_modem_down_data( int8_t rssi, int8_t snr, lr1110_modem_down_data_flag_t flags, uint8_t port,
const uint8_t* payload, uint8_t size );
/*!
* \brief Stream done event callback
*
* \param [in] mute modem mute status \ref lr1110_modem_mute_t
*/
static void lr1110_modem_mute( lr1110_modem_mute_t mute );
/*!
* \brief Set conf event callback
*
* \param [in] info_tag modem mute status \ref lr1110_modem_mute_t
*/
static void lr1110_modem_set_conf( uint8_t info_tag );
/*!
* \brief Stream done event callback
*/
static void lr1110_modem_stream_done( void );
/*!
* \brief Time updated by application layer clock synchronisation event callback
*/
static void lr1110_modem_time_updated_alc_sync( lr1110_modem_alc_sync_state_t alc_sync_state );
/*!
* \brief Automatic switch from mobile to static ADR when connection timeout occurs event callback
*/
static void lr1110_modem_adr_mobile_to_static( void );
/*!
* \brief New link ADR request event callback
*/
static void lr1110_modem_new_link_adr( void );
/*!
* \brief No event exists event callback
*/
static void lr1110_modem_no_event( void );
/*!
* \brief Parse the received downlink
*/
static void parse_frame( uint8_t port, const uint8_t* payload, uint8_t size );
/*!
* \brief Lorawan default init
*/
static lr1110_modem_response_code_t lorawan_init( void );
/*!
* \brief GNSS default init
*/
static lr1110_modem_response_code_t gnss_init( void );
/*!
* \brief Convert lr1110 modem status to string
*
* \param [in] modem_status modem status \ref lr1110_modem_status_t
*/
static void modem_status_to_string( lr1110_modem_status_t modem_status );
/*!
* \brief Run and call the necessary function for the Wi-Fi scan
*
* \param [in] wifi_settings Wi-Fi settings used for the scan \ref wifi_settings_t
*
* \param [out] wifi_result Wi-Fi result structure where are stored the results
*/
static void tracker_run_wifi_scan( wifi_settings_t wifi_settings, wifi_scan_all_result_t* wifi_result );
/*!
* \brief Run and call the necessary function for the GNSS scan
*
* \param [in] gnss_settings GNSS settings used for the scan \ref gnss_settings_t
*
* \param [out] nav_message buffer where the nav message is stored
*
* \param [out] nb_detected_satellites Number of detected satellites during the scan
*
* \param [out] nav_message_len Nav message length
*/
static void tracker_run_gnss_scan( gnss_settings_t gnss_settings, uint8_t* nav_message,
uint8_t* nb_detected_satellites, uint16_t* nav_message_len );
/*!
* \brief build payload in TLV format and stream it
*/
static void build_and_stream_payload( void );
/*
* -----------------------------------------------------------------------------
* --- PUBLIC FUNCTIONS DEFINITION ---------------------------------------------
*/
/**
* \brief Main application entry point.
*/
int main( void )
{
lr1110_modem_response_code_t modem_response_code = LR1110_MODEM_RESPONSE_CODE_OK;
lr1110_modem_event_t lr1110_modem_event;
uint8_t dev_eui[LORAWAN_DEVICE_EUI_LEN] = LORAWAN_DEVICE_EUI;
uint8_t join_eui[LORAWAN_JOIN_EUI_LEN] = LORAWAN_JOIN_EUI;
uint8_t app_key[LORAWAN_APP_KEY_LEN] = LORAWAN_APP_KEY;
/* Init board */
hal_mcu_init( );
hal_mcu_init_periph( );
/* Board is initialized */
leds_blink( LED_ALL_MASK, 100, 2, true );
HAL_DBG_TRACE_MSG( "\r\n" );
HAL_DBG_TRACE_INFO( "###### ===== LR1110 Modem Tracker demo application ==== ######\r\n\r\n" );
HAL_DBG_TRACE_PRINTF( "APP VERSION : %d.%d.%d\r\n\r\n", TRACKER_MAJOR_APP_VERSION, TRACKER_MINOR_APP_VERSION,
TRACKER_SUB_MINOR_APP_VERSION );
/* Init LR1110 modem event */
lr1110_modem_event.reset = lr1110_modem_reset_event;
lr1110_modem_event.alarm = lr1110_modem_alarm;
lr1110_modem_event.joined = lr1110_modem_network_joined;
lr1110_modem_event.join_fail = lr1110_modem_join_fail;
lr1110_modem_event.down_data = lr1110_modem_down_data;
lr1110_modem_event.set_conf = lr1110_modem_set_conf;
lr1110_modem_event.mute = lr1110_modem_mute;
lr1110_modem_event.gnss_scan_done = lr1110_modem_gnss_scan_done;
lr1110_modem_event.wifi_scan_done = lr1110_modem_wifi_scan_done;
lr1110_modem_event.stream_done = lr1110_modem_stream_done;
lr1110_modem_event.time_updated_alc_sync = lr1110_modem_time_updated_alc_sync;
lr1110_modem_event.adr_mobile_to_static = lr1110_modem_adr_mobile_to_static;
lr1110_modem_event.new_link_adr = lr1110_modem_new_link_adr;
lr1110_modem_event.no_event = lr1110_modem_no_event;
if( lr1110_modem_board_init( &lr1110, &lr1110_modem_event ) != LR1110_MODEM_RESPONSE_CODE_OK )
{
HAL_DBG_TRACE_ERROR( "###### ===== LR1110 BOARD INIT FAIL ==== ######\r\n\r\n" );
}
/* LR1110 modem version */
lr1110_modem_get_version( &lr1110, &tracker_ctx.modem_version );
HAL_DBG_TRACE_INFO( "###### ===== LR1110 MODEM VERSION ==== ######\r\n\r\n" );
HAL_DBG_TRACE_PRINTF( "LORAWAN : %#04X\r\n", tracker_ctx.modem_version.lorawan );
HAL_DBG_TRACE_PRINTF( "FIRMWARE : %#02X\r\n", tracker_ctx.modem_version.firmware );
HAL_DBG_TRACE_PRINTF( "BOOTLOADER : %#02X\r\n", tracker_ctx.modem_version.bootloader );
#if (USE_PRODUCTION_KEYS == 1)
modem_response_code = lr1110_modem_get_dev_eui( &lr1110, dev_eui );
modem_response_code = lr1110_modem_get_join_eui( &lr1110, join_eui );
#endif
/* Init the LoRaWAN keys set in Commissioning_tracker_ctx.h or using the production keys and init the global
* context */
tracker_init_app_ctx( dev_eui, join_eui, app_key );
/* Basic LoRaWAN configuration */
if( lorawan_init( ) != LR1110_MODEM_RESPONSE_CODE_OK )
{
HAL_DBG_TRACE_ERROR( "###### ===== LORAWAN INIT ERROR ==== ######\r\n\r\n" );
}
if( gnss_init( ) != LR1110_MODEM_RESPONSE_CODE_OK )
{
HAL_DBG_TRACE_ERROR( "###### ===== GNSS INIT ERROR ==== ######\r\n\r\n" );
}
/* Set Keys */
modem_response_code = lr1110_modem_set_dev_eui( &lr1110, dev_eui );
modem_response_code = lr1110_modem_set_join_eui( &lr1110, join_eui );
lr1110_modem_derive_keys( &lr1110 ); // do a derive key to have the pin code
lr1110_modem_get_pin( &lr1110, &tracker_ctx.lorawan_pin );
lr1110_modem_get_chip_eui( &lr1110, tracker_ctx.chip_eui );
/* Init tracker context volatile parameters */
tracker_ctx.has_date = false;
tracker_ctx.accelerometer_move_history = 1;
tracker_ctx.stream_done = true;
tracker_ctx.accelerometer_used = USE_ACCELEROMETER;
/* Init the software watchdog */
hal_mcu_init_software_watchdog( tracker_ctx.app_scan_interval * 3 );
/* Init Leds timer */
timer_init( &led_tx_timer, on_led_tx_timer_event );
timer_set_value( &led_tx_timer, 25 );
timer_init( &led_rx_timer, on_led_rx_timer_event );
timer_set_value( &led_rx_timer, 25 );
while( 1 )
{
/* Process Event */
if( lr1110.event.callback != NULL )
{
lr1110_modem_event_process( &lr1110 );
}
switch( device_state )
{
case DEVICE_STATE_INIT:
{
HAL_DBG_TRACE_INFO( "###### ===== LR1110 MODEM INIT ==== ######\r\n\r\n" );
#if (USE_SEMTECH_JOIN_SERVER == 0)
modem_response_code = lr1110_modem_set_app_key( &lr1110, app_key );
#else
modem_response_code = lr1110_modem_derive_keys( &lr1110 );
#endif
device_state = DEVICE_STATE_JOIN;
break;
}
case DEVICE_STATE_JOIN:
{
/* Display used keys */
print_lorawan_keys( dev_eui, join_eui, app_key, tracker_ctx.lorawan_pin );
join_network( );
device_state = DEVICE_STATE_CYCLE;
break;
}
case DEVICE_COLLECT_DATA:
{
#if(ACCELEROMETER_MOUNTED == 1)
/* Create a movevment history on 8 bits and update this value only if the stream is done */
if( tracker_ctx.stream_done == true )
{
tracker_ctx.accelerometer_move_history =
( tracker_ctx.accelerometer_move_history << 1 ) + is_accelerometer_detected_moved( );
}
#endif
/* Check if scan can be launched */
if( is_next_scan_possible() == true )
{
lr1110_modem_adr_profiles_t adr_profile;
/* Reload the software watchdog */
hal_mcu_reset_software_watchdog( );
/* Adapt the ADR following the accelerometer movement */
if(tracker_ctx.send_alive_frame == true) // means device is static
{
lr1110_modem_get_adr_profile ( &lr1110, &adr_profile );
if(adr_profile != LORAWAN_STATIC_DATARATE)
{
HAL_DBG_TRACE_MSG( "Set ADR to LORAWAN_STATIC_DATARATE\n\r\n\r" );
lr1110_modem_set_adr_profile( &lr1110, LORAWAN_STATIC_DATARATE, adr_custom_list );
}
}
else // means device is mobile
{
lr1110_modem_get_adr_profile ( &lr1110, &adr_profile );
if(adr_profile != LORAWAN_MOBILE_DATARATE)
{
HAL_DBG_TRACE_MSG( "Set ADR to LORAWAN_MOBILE_DATARATE\n\r\n\r" );
lr1110_modem_set_adr_profile( &lr1110, LORAWAN_MOBILE_DATARATE, adr_custom_list );
}
}
/*Led start for user notification*/
leds_on( LED_TX_MASK );
timer_start( &led_tx_timer );
/* Activate the partial low power mode */
hal_mcu_partial_sleep_enable( true );
/* Reset flag and counter */
tracker_ctx.send_alive_frame = false;
tracker_ctx.next_frame_ctn = 0;
/* WIFI SCAN */
if( tracker_ctx.wifi_settings.enabled == true )
{
tracker_run_wifi_scan( tracker_ctx.wifi_settings, &tracker_ctx.wifi_result );
}
/* GNSS SCAN */
if( tracker_ctx.gnss_settings.enabled == true )
{
HAL_DBG_TRACE_INFO( "*** Gnss Scan ***\n\r\n\r" );
if( tracker_ctx.has_date == true )
{
struct tm epoch_time;
/* Timestamp scan */
tracker_ctx.timestamp = lr1110_modem_board_get_systime_from_gps( &lr1110 );
memcpy( &epoch_time, localtime( &tracker_ctx.timestamp ), sizeof( struct tm ) );
HAL_DBG_TRACE_PRINTF( "Date : %d-%d-%d %d:%d:%d.000 \r\n", epoch_time.tm_year + 1900, epoch_time.tm_mon + 1,
epoch_time.tm_mday, epoch_time.tm_hour, epoch_time.tm_min, epoch_time.tm_sec );
tracker_run_gnss_scan(
tracker_ctx.gnss_settings, tracker_ctx.nav_message,
&tracker_ctx.nb_detected_satellites, &tracker_ctx.nav_message_len );
}
else
{
HAL_DBG_TRACE_MSG( "Wait application layer clock synchronisation\r\n\r\n");
}
}
/* SENSORS TEST */
#if(ACCELEROMETER_MOUNTED == 1)
HAL_DBG_TRACE_INFO( "*** sensors collect ***\n\r\n\r" );
/* Acceleration*/
acc_read_raw_data( );
tracker_ctx.accelerometer_x = acc_get_raw_x( );
tracker_ctx.accelerometer_y = acc_get_raw_y( );
tracker_ctx.accelerometer_z = acc_get_raw_z( );
HAL_DBG_TRACE_PRINTF( "Acceleration [mg]: X=%4.2f mg | Y=%4.2f mg | Z=%4.2f mg \r\n",
( double ) tracker_ctx.accelerometer_x,
( double ) tracker_ctx.accelerometer_y,
( double ) tracker_ctx.accelerometer_z );
/* Move history */
HAL_DBG_TRACE_PRINTF( "Move history : %d\r\n", tracker_ctx.accelerometer_move_history );
/* Temperature */
tracker_ctx.tout = acc_get_temperature( );
HAL_DBG_TRACE_PRINTF( "Temperature : %d *C\r\n", tracker_ctx.tout/100 );
#endif
/* Modem charge */
lr1110_modem_get_charge( &lr1110, &tracker_ctx.charge );
HAL_DBG_TRACE_PRINTF( "Charge value : %d mAh\r\n", tracker_ctx.charge );
/* Build the payload and stream it */
build_and_stream_payload( );
device_state = DEVICE_STATE_SEND;
}
else
{
if( tracker_ctx.stream_done == true )
{
if( tracker_ctx.next_frame_ctn >=
( tracker_ctx.app_keep_alive_frame_interval / tracker_ctx.app_scan_interval ) )
{
HAL_DBG_TRACE_INFO( "Send an alive frame\r\n" );
tracker_ctx.send_alive_frame = true;
}
else
{
HAL_DBG_TRACE_PRINTF(
"Device is static next keep alive frame in %d sec\r\n",
( ( tracker_ctx.app_keep_alive_frame_interval / tracker_ctx.app_scan_interval ) -
tracker_ctx.next_frame_ctn ) *
( tracker_ctx.app_scan_interval / 1000 ) );
tracker_ctx.next_frame_ctn++;
}
device_state = DEVICE_STATE_CYCLE;
}
else
{
device_state = DEVICE_STATE_SEND;
}
}
break;
}
case DEVICE_STATE_SEND:
{
if( tracker_ctx.stream_done == false )
{
lr1110_modem_stream_status_t stream_status;
/* Stream previous payload if it's not terminated */
lr1110_modem_stream_status( &lr1110, LORAWAN_STREAM_APP_PORT, &stream_status );
HAL_DBG_TRACE_PRINTF( "Streaming ongoing %d bytes remaining %d bytes free \r\n",
stream_status.pending, stream_status.free );
}
device_state = DEVICE_STATE_CYCLE;
break;
}
case DEVICE_STATE_CYCLE:
{
/* Reload the software watchdog */
hal_mcu_reset_software_watchdog( );
device_state = DEVICE_STATE_SLEEP;
/* Schedule next packet transmission */
tx_duty_cycle_time =
( tracker_ctx.app_scan_interval + randr( -APP_TX_DUTYCYCLE_RND, APP_TX_DUTYCYCLE_RND ) ) / 1000;
/* Schedule next packet transmission */
modem_response_code = lr1110_modem_set_alarm_timer( &lr1110, tx_duty_cycle_time );
HAL_DBG_TRACE_PRINTF( "lr1110_modem_set_alarm_timer : %d s, response code : %d \r\n\r\n",
tx_duty_cycle_time, modem_response_code );
break;
}
case DEVICE_STATE_SLEEP:
{
/* go in low power */
if( lr1110_modem_board_read_event_line( &lr1110 ) == false )
{
hal_mcu_low_power_handler( );
#if(ACCELEROMETER_MOUNTED == 1)
/* Wake up from static mode thanks the accelerometer ? */
if( ( get_accelerometer_irq1_state( ) == true ) && ( is_tracker_in_static_mode( ) == true ) )
{
/* Stop the LR1110 current modem alarm */
lr1110_modem_set_alarm_timer( &lr1110, 0 );
device_state = DEVICE_COLLECT_DATA;
}
#endif
}
break;
}
default:
{
device_state = DEVICE_STATE_INIT;
break;
}
}
}
}
void _Error_Handler( int line )
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
HAL_DBG_TRACE_ERROR( "Error Handler : %s\n", __FUNCTION__ );
// reset the board
hal_mcu_reset( );
/* USER CODE END Error_Handler_Debug */
}
/*
* -----------------------------------------------------------------------------
* --- PRIVATE FUNCTIONS DEFINITION --------------------------------------------
*/
static void tracker_run_wifi_scan( wifi_settings_t wifi_settings, wifi_scan_all_result_t *wifi_result )
{
wifi_init( &lr1110, tracker_ctx.wifi_settings );
if( wifi_execute_scan( &lr1110 ) == WIFI_SCAN_SUCCESS )
{
lr1110_display_wifi_scan_results( );
*wifi_result = wifi.results;
}
else
{
HAL_DBG_TRACE_MSG( "Wi-Fi Scan error\n\r" );
wifi_result->nbr_results = 0; // reset MAC addr detected
}
}
static void tracker_run_gnss_scan( gnss_settings_t gnss_settings, uint8_t *nav_message, uint8_t *nb_detected_satellites, uint16_t *nav_message_len )
{
uint8_t gnss_status;
gnss_scan_init( &lr1110, gnss_settings );
gnss_status = gnss_scan_execute( &lr1110 );
if( gnss_status == GNSS_SCAN_SUCCESS )
{
gnss_scan_display_results( );
memcpy( nav_message, gnss.capture_result.result_buffer + 1, gnss.capture_result.result_size - 1 );
*nb_detected_satellites = gnss.capture_result.nb_detected_satellites;
*nav_message_len = gnss.capture_result.result_size - 1;
}
else
{
if( gnss_status == GNSS_SCAN_NO_TIME )
{
HAL_DBG_TRACE_MSG( "GNSS Scan error: No time\n\r" );
}
else
{
HAL_DBG_TRACE_MSG( "GNSS Scan error\n\r" );
}
*nb_detected_satellites = 0; // reset nb sv detected
}
}
static void build_and_stream_payload( void )
{
/* BUILD THE PAYLOAD IN TLV FORMAT */
tracker_ctx.lorawan_payload_len = 0; // reset the payload len
HAL_DBG_TRACE_MSG( "\r\nIs added in the stream FiFo:\r\n" );
if( tracker_ctx.nb_detected_satellites > 2 )
{
HAL_DBG_TRACE_MSG(" - NAV message :");
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = TAG_NAV; // GNSS PATCH TAG
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = (tracker_ctx.nav_message_len - 1); // GNSS LEN
memcpy(tracker_ctx.lorawan_payload + tracker_ctx.lorawan_payload_len,(tracker_ctx.nav_message + 1),(tracker_ctx.nav_message_len -1));
tracker_ctx.lorawan_payload_len += (tracker_ctx.nav_message_len - 1) ;
/* Push the NAV message in the FiFo stream */
add_payload_in_streaming_fifo( tracker_ctx.lorawan_payload, tracker_ctx.lorawan_payload_len );
tracker_ctx.lorawan_payload_len = 0; // reset the payload len
tracker_ctx.nb_detected_satellites = 0; // Reset the nb_detected_satellites result
}
if( tracker_ctx.wifi_result.nbr_results > 0 )
{
/* Add Wi-Fi scan */
uint8_t wifi_index = 0;
HAL_DBG_TRACE_MSG( " - WiFi scan : " );
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = TAG_WIFI_SCAN; // Wi-Fi TAG
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] =
tracker_ctx.wifi_result.nbr_results * WIFI_SINGLE_BEACON_LEN; // Wi-Fi Len
wifi_index = tracker_ctx.lorawan_payload_len;
for( uint8_t i = 0; i < tracker_ctx.wifi_result.nbr_results; i++ )
{
tracker_ctx.lorawan_payload[wifi_index] = tracker_ctx.wifi_result.results[i].rssi;
memcpy( &tracker_ctx.lorawan_payload[wifi_index + 1], tracker_ctx.wifi_result.results[i].mac_address, 6 );
wifi_index += WIFI_SINGLE_BEACON_LEN;
}
tracker_ctx.lorawan_payload_len += tracker_ctx.wifi_result.nbr_results * WIFI_SINGLE_BEACON_LEN;
/* Push the Wi-Fi data in the FiFo stream */
add_payload_in_streaming_fifo( tracker_ctx.lorawan_payload, tracker_ctx.lorawan_payload_len );
tracker_ctx.lorawan_payload_len = 0; // reset the payload len
tracker_ctx.wifi_result.nbr_results = 0; // reset the nbr_results mac addresses
}
#if(ACCELEROMETER_MOUNTED == 1)
/* Send sensors value */
HAL_DBG_TRACE_MSG( " - sensors value : " );
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = TAG_ACCELEROMETER; // Accelerometer TAG
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = 9; // Accelerometer LEN
/* Accelemrometer movement history */
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = tracker_ctx.accelerometer_move_history;
/* Acceleromter data */
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = tracker_ctx.accelerometer_x >> 8;
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = tracker_ctx.accelerometer_x;
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = tracker_ctx.accelerometer_y >> 8;
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = tracker_ctx.accelerometer_y;
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = tracker_ctx.accelerometer_z >> 8;
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = tracker_ctx.accelerometer_z;
/* Temperature from accelerometer */
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = tracker_ctx.tout >> 8;
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = tracker_ctx.tout;
#endif
/* Get charge */
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = TAG_CHARGE; // Charge TAG
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = 4; // Charge LEN
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = tracker_ctx.charge >> 24;
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = tracker_ctx.charge >> 16;
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = tracker_ctx.charge >> 8;
tracker_ctx.lorawan_payload[tracker_ctx.lorawan_payload_len++] = tracker_ctx.charge;
/* Push the sensor values in the FiFo stream */
add_payload_in_streaming_fifo( tracker_ctx.lorawan_payload, tracker_ctx.lorawan_payload_len );
tracker_ctx.lorawan_payload_len = 0; // reset the payload len
}
static lr1110_modem_response_code_t lorawan_init( void )
{
lr1110_modem_dm_info_fields_t dm_info_fields;
lr1110_modem_response_code_t modem_response_code = LR1110_MODEM_RESPONSE_CODE_OK;
modem_response_code |= lr1110_modem_set_class( &lr1110, LR1110_LORAWAN_CLASS_A );
#if defined( USE_REGION_EU868 )
HAL_DBG_TRACE_MSG( "REGION : EU868\r\n\r\n" );
modem_response_code |= lr1110_modem_set_region( &lr1110, LR1110_LORAWAN_REGION_EU868 );
modem_response_code |= lr1110_modem_activate_duty_cycle( &lr1110, LORAWAN_DUTYCYCLE_ON);
#endif
#if defined( USE_REGION_US915 )
HAL_DBG_TRACE_MSG( "REGION : US915\r\n\r\n" );
modem_response_code |= lr1110_modem_set_region( &lr1110, LR1110_LORAWAN_REGION_US915 );
#endif
/* Set DM info field */
dm_info_fields.dm_info_field[0] = LR1110_MODEM_DM_INFO_TYPE_CHARGE;
dm_info_fields.dm_info_field[1] = LR1110_MODEM_DM_INFO_TYPE_GNSS_ALMANAC_STATUS;
dm_info_fields.dm_info_field[2] = LR1110_MODEM_DM_INFO_TYPE_TEMPERATURE;
dm_info_fields.dm_info_length = 3;
modem_response_code |= lr1110_modem_set_dm_info_field( &lr1110, &dm_info_fields );
modem_response_code |= lr1110_modem_set_dm_info_interval( &lr1110, LR1110_MODEM_REPORTING_INTERVAL_IN_HOUR, 1 );
modem_response_code |= lr1110_modem_set_alc_sync_mode( &lr1110, LR1110_MODEM_ALC_SYNC_MODE_ENABLE );
modem_response_code |= lr1110_modem_stream_init( &lr1110, 0, LR1110_MODEM_FILE_ENCRYPTION_DISABLE );
return modem_response_code;
}
static lr1110_modem_response_code_t gnss_init( void )
{
lr1110_modem_response_code_t modem_response_code = LR1110_MODEM_RESPONSE_CODE_OK;
modem_response_code =
lr1110_modem_gnss_set_assistance_position( &lr1110, &tracker_ctx.gnss_settings.assistance_position );
return modem_response_code;
}
static void print_hex_buffer( const uint8_t* buffer, uint8_t size )
{
uint8_t newline = 0;
for( uint8_t i = 0; i < size; i++ )
{
if( newline != 0 )
{
HAL_DBG_TRACE_PRINTF( "\r\n" );
newline = 0;
}
HAL_DBG_TRACE_PRINTF( "%02X ", buffer[i] );
if( ( ( i + 1 ) % 16 ) == 0 )
{
newline = 1;
}
}
HAL_DBG_TRACE_PRINTF( "\r\n" );
}
static void print_lorawan_keys( const uint8_t* dev_eui, const uint8_t* join_eui, const uint8_t* app_key, uint32_t pin )
{
HAL_DBG_TRACE_PRINTF( "DevEui : %02X", dev_eui[0] );
for( int i = 1; i < 8; i++ )
{
HAL_DBG_TRACE_PRINTF( "-%02X", dev_eui[i] );
}
HAL_DBG_TRACE_PRINTF( "\r\n" );
HAL_DBG_TRACE_PRINTF( "AppEui : %02X", join_eui[0] );
for( int i = 1; i < 8; i++ )
{
HAL_DBG_TRACE_PRINTF( "-%02X", join_eui[i] );
}
HAL_DBG_TRACE_PRINTF( "\r\n" );
#if (USE_SEMTECH_JOIN_SERVER == 1)
{
HAL_DBG_TRACE_MSG( "AppKey : Semtech join server used\r\n" );
}
#else
{
HAL_DBG_TRACE_PRINTF( "AppKey : %02X", app_key[0] );
for( int i = 1; i < 16; i++ )
{
HAL_DBG_TRACE_PRINTF( "-%02X", app_key[i] );
}
HAL_DBG_TRACE_PRINTF( "\r\n" );
}
#endif
HAL_DBG_TRACE_PRINTF( "Pin : %08X\r\n\r\n", pin );
}
static void join_network( void )
{
lr1110_modem_response_code_t modem_response_code = LR1110_MODEM_RESPONSE_CODE_OK;
/* Starts the join procedure */
modem_response_code = lr1110_modem_join( &lr1110 );
if( modem_response_code == LR1110_MODEM_RESPONSE_CODE_OK )
{
HAL_DBG_TRACE_INFO( "###### ===== JOINING ==== ######\r\n\r\n" );
}
else
{
HAL_DBG_TRACE_ERROR( "###### ===== JOINING CMD ERROR ==== ######\r\n\r\n" );
}
}
static bool add_payload_in_streaming_fifo( uint8_t* payload, uint16_t len )
{
lr1110_modem_stream_status_t stream_status;
/* Push the Payload in the FiFo stream */
lr1110_modem_stream_status( &lr1110, LORAWAN_STREAM_APP_PORT, &stream_status );
if( stream_status.free > len )
{
tracker_ctx.stream_done = false;
HAL_DBG_TRACE_MSG( "add in streaming FiFo\r\n" );
lr1110_modem_send_stream_data( &lr1110, LORAWAN_STREAM_APP_PORT, payload, len );
return true;
}
else
{
HAL_DBG_TRACE_PRINTF( "Not enought space, need = %d bytes - free = %d bytes\r\n", len, stream_status.free );
return false;
}
}
static bool is_next_scan_possible( void )
{
if( ( ( tracker_ctx.accelerometer_move_history != 0 ) || ( tracker_ctx.send_alive_frame == true ) ||
( tracker_ctx.accelerometer_used == 0 ) ) &&
( tracker_ctx.stream_done == true ) )
{
return true;
}
else
{
return false;
}
}
static bool is_tracker_in_static_mode( void )
{
if( ( tracker_ctx.accelerometer_move_history == 0 ) && ( tracker_ctx.accelerometer_used == 1 ) )
{
return true;
}
else
{
return false;
}
}
static void on_led_tx_timer_event( void* context )
{
timer_stop( &led_tx_timer );
/* Switch LED TX OFF */
leds_off( LED_TX_MASK );
}
static void on_led_rx_timer_event( void* context )
{
timer_stop( &led_rx_timer );
/* Switch LED RX OFF */
leds_off( LED_RX_MASK );
}