File content as of revision 45:6c7f5b556d74:

#include "main.h"

//------------------------------------------------------------------------------
//FUNCTION PROTOTYPES - NEED TO ADD ALL OF THE MISSING ONES
//------------------------------------------------------------------------------ 
//should really add these - will just add as and when needed for now
void event_activity_tx(uint8_t activity_mode);

//------------------------------------------------------------------------------
// GLOBALS
//------------------------------------------------------------------------------ 
char*            GLOBAL_defaultApi                   = "b:gps2";
bool             GLOBAL_accel_healthy                = false;
bool             GLOBAL_motionStopFlagTriggered      = false;
bool             GLOBAL_debugLED                     = true;
bool             GLOBAL_needToConfigureLis3dh        = false;
bool             GLOBAL_registeredOnNetwork          = false;
bool             GLOBAL_modemOn                      = false;
bool             GLOBAL_LEDSequenceinProgress        = false;
time_t           GLOBAL_wakeTime                     = 0;
char             GLOBAL_exceptionString[30];
char             GLOBAL_debug_buffer[200];


int              RET_setting_firmware;
uint32_t         RET_setting_minimumupdate_hrs;
uint8_t          RET_setting_location_mode;
uint8_t          RET_setting_location_accuracy;
uint32_t         RET_setting_location_tx_interval_mins;
uint32_t         RET_setting_location_tx_failsafe_hrs;
uint16_t         RET_setting_location_timeout;
uint32_t         RET_setting_activity_tx_interval_hrs;
uint8_t          RET_setting_activity_mode;
uint32_t         RET_setting_environmental_tx_interval_mins;
uint16_t         RET_setting_motion_g;
time_t           RET_setting_motion_start_seconds;
time_t           RET_setting_motion_stop_seconds;
uint16_t         RET_setting_impact_g;
uint8_t          RET_setting_impact_alert;
uint16_t         RET_setting_connection_timeout;
uint16_t         RET_setting_beacon_interval_seconds;
uint16_t         RET_setting_beacon_scan;
//STATE
uint8_t          RET_coldBoot = 1;
bool             RET_asleep = false;
time_t           RET_RTCunixtime;
bool             RET_haveSettings;
uint8_t          RET_state;
uint8_t          RET_state_prev;
uint8_t          RET_buttonPressCount;
time_t           RET_buttonPressTime;
time_t           RET_buttonHoldTime;
time_t           RET_SetupRunAt;
time_t           RET_SettingsGotAt;
bool             RET_setupInProgress;
bool             RET_force2G;
bool             RET_watchdogfired;
bool             RET_receivedNewSettings;
//MOTION STATE
bool             RET_motionTriggeredinFrame;
bool             RET_motionTriggeredInLocTXInterval;
time_t           RET_motionStartTime;
time_t           RET_motionStopTime;
bool             RET_motionPendingOnState;
bool             RET_motionPendingOffState;
bool             RET_motionState;
float            RET_motionTotalActivityHours;
float            RET_motionTotalActivityHoursSincePost;
time_t           RET_motionFrameStart;
char             RET_activityData[ACTIVITY_BUFFERSIZE];
//IMPACT
bool             RET_impactTriggered;
//EVENTS LOGGING
time_t           RET_eventTime_location_log;
time_t           RET_eventTime_environmental_log;
//EVENTS TX
time_t           RET_eventTime_location_tx;
time_t           RET_eventTime_location_failsafe_tx;
time_t           RET_eventTime_environmental_tx;
time_t           RET_eventTime_activity_tx;
time_t           RET_eventTime_wakeFromDormant;

//------------------------------------------------------------------------------
//GPIO
//------------------------------------------------------------------------------ 
InterruptIn button(PN_IN_BUTTON);

//------------------------------------------------------------------------------
//PERIPHERALS
//------------------------------------------------------------------------------ 
//BLE myble;
WatchdogTimer watchdog; //Do not set to less than 4500ms or can cause issues with softdevice
void watchdogKick() {watchdog.kick();}
SI7060 si7060(PN_I2C_SDA, PN_I2C_SCL);
LIS3DH lis3dh(PN_SPI_MOSI, PN_SPI_MISO, PN_SPI_CS0, PN_SPI_CLK);
Modem modem(PN_GSM_PWR_KEY, PN_VREG_EN, PN_GSM_WAKE_DISABLE);
LowPowerTicker RTCticker;

//------------------------------------------------------------------------------
//THREAD SEMAPHORES
//------------------------------------------------------------------------------ 
Semaphore mainthread;

//------------------------------------------------------------------------------
// LOW LEVEL FUNCS
//------------------------------------------------------------------------------
void nrf_configureGPIOForSleep(){
    nrf_gpio_cfg_input(PN_SPI_MOSI, NRF_GPIO_PIN_NOPULL);
    nrf_gpio_cfg_input(PN_SPI_MISO, NRF_GPIO_PIN_NOPULL);
}
void setState(uint8_t state) {
    RET_state_prev = RET_state;
    RET_state = state;
}
void dumpSettings() {    
    if(DEBUG_ON){
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_RTCunixtime:%u", RET_RTCunixtime);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_firmware:%d", RET_setting_firmware);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_minimumupdate_hrs:%d", RET_setting_minimumupdate_hrs);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_state:%d", RET_state);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_location_mode:%d", RET_setting_location_mode);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_location_accuracy:%d", RET_setting_location_accuracy);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_location_tx_interval_mins:%d", RET_setting_location_tx_interval_mins);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_location_tx_failsafe_hrs:%d", RET_setting_location_tx_failsafe_hrs);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_location_timeout:%d", RET_setting_location_timeout);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_activity_tx_interval_hrs:%d", RET_setting_activity_tx_interval_hrs);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_activity_mode:%d", RET_setting_activity_mode);debug_exe();        
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_environmental_tx_interval_mins:%d", RET_setting_environmental_tx_interval_mins);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_motion_g:%d", RET_setting_motion_g);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_motion_start_seconds:%d", RET_setting_motion_start_seconds);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_motion_stop_seconds:%d", RET_setting_motion_stop_seconds);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_impact_g:%d", RET_setting_impact_g);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_impact_alert:%d", RET_setting_impact_alert);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_connection_timeout:%d", RET_setting_connection_timeout);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_beacon_interval_seconds:%d", RET_setting_beacon_interval_seconds);debug_exe();
        debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "RET_setting_beacon_scan:%d", RET_setting_beacon_scan);debug_exe();
    }
}
void recordFirmwareAsValid() {
    read_app_data_from_flash(&app_data);
    bool write_app_data_to_flash_execute = false;
    if(get_flag(&app_data, app_execution_flag) == true) {
        clr_flag(&app_data, app_execution_flag);
        clr_flag(&app_data, first_run_flag);
        write_app_data_to_flash_execute = true;
    }
    if(app_data.current_firmware_version != FW_VERSION) {
        app_data.current_firmware_version = FW_VERSION;
        app_data.target_firmware_version = FW_VERSION;
        write_app_data_to_flash_execute = true;
    }
    if (write_app_data_to_flash_execute) {
        write_app_data_to_flash(&app_data);
    }   
}
float getBatteryV() {
    NRF52_SAADC batteryIn;
    batteryIn.addChannel(9); // vdd for battery
    batteryIn.calibrate();
    float voltage = 0.0;
    for (uint8_t i = 1; i <= 2; i++) { // need to get it 2 times to get accurate data, first one is always low for some reason
        batteryIn.updateData();
        voltage = (batteryIn.getData()[0])*(1.0/1024.0)*3.65;
    }
    return voltage;
}
float nrfTemperature() {
    //INTERNAL NRF52 TEMP SENSOR
    uint32_t safetycounter = 0;
    float temperature = 0.0;
    NRF_TEMP->TASKS_START=1;
    while (NRF_TEMP->EVENTS_DATARDY==0 && safetycounter < 10000) {
        safetycounter ++;
    };
    NRF_TEMP->EVENTS_DATARDY=0;
    temperature = nrf_temp_read()/4.0;
    NRF_TEMP->TASKS_STOP=1;
    return temperature;
}
float getTemperature() {
    float temperature;
    if (USE_NRF_TEMP_SENSOR) {
        //INTERNAL NRF52 TEMP SENSOR
        temperature = nrfTemperature();
    } else {
        temperature = si7060.getTemperature(); //currently disabled because its causing a high current 450ua sleep, most likely due to sensor not sleeping correctly, or i2c sleep issue
    }
    return temperature;  
}
void addToExceptionString(char* value) {
    if(strstr(GLOBAL_exceptionString, value) == false){
        snprintf(GLOBAL_exceptionString+strlen(GLOBAL_exceptionString),sizeof(GLOBAL_exceptionString),"%s.",value);
    }
}
//------------------------------------------------------------------------------
// USER BUTTON HANDLING
//------------------------------------------------------------------------------ 
void buttonPress() {
    RET_buttonPressTime = RET_RTCunixtime;
}
void buttonRelease() {
    RET_buttonHoldTime = (RET_RTCunixtime - RET_buttonPressTime);
    RET_buttonPressCount ++;
    led1 = 1; //led off
}
//------------------------------------------------------------------------------
// RTC TICKER
//------------------------------------------------------------------------------ 
void RTCtick() {
    //YOU MUST NOT CALL ANY OTHER FUNCTIONS OR DEBUG FROM INSIDE HERE!!! OR IT LOCKS UP THE DEVICE, just change vars
    RET_RTCunixtime += 1;

    //button logic, only when device asleep
    if (RET_asleep == true) {
        //led indicator
        //if (RET_buttonPressTime > 0 && (RET_RTCunixtime - RET_buttonPressTime) > 4) led1 = 0;
        //if (RET_buttonPressTime > 0 && (RET_RTCunixtime - RET_buttonPressTime) > 14) led1 = 1;
        //hold check
        if (RET_buttonHoldTime > 4 && RET_buttonHoldTime < 10) {
            RET_buttonHoldTime = 0;
            RET_buttonPressCount = 0;
            RET_state_prev = RET_state;
            RET_state = STATE_BUTTONHOLD;
            mainthread.release();
        } else if (RET_buttonHoldTime > 14 && RET_buttonHoldTime < 30) {
            RET_buttonHoldTime = 0;
            RET_buttonPressCount = 0;
            RET_state_prev = RET_state;
            RET_state = STATE_SCORCHEDEARTH;
            mainthread.release();
        } else {
            if((RET_RTCunixtime - RET_buttonPressTime) > 1) {
                switch (RET_buttonPressCount) {   
                    case 1 :
                        if(RET_state != STATE_DORMANT) {
                            RET_state = STATE_BUTTONPRESS1;
                            mainthread.release();
                        }
                        break;
                    case 3 :
                        if(RET_state != STATE_DORMANT) {
                            RET_state = STATE_BUTTONPRESS2;
                            mainthread.release();
                        }
                        break;
                    case 5 :
                        if(RET_state != STATE_DORMANT) {
                            RET_state = STATE_BUTTONPRESS3;
                            mainthread.release();
                        }
                        break;
                    default :
                        //do nothing
                        break;
                }
                RET_SetupRunAt = 0; //allow setup to run again
                RET_buttonPressCount = 0;
            }
        }
        //SETUP STATE VISUALISE
        if (!GLOBAL_LEDSequenceinProgress && RET_setupInProgress) {
            led1 = !led1; 
        }
    }
}
void resetGlobals() {
    GLOBAL_accel_healthy = false;
    GLOBAL_motionStopFlagTriggered = false;
    memset(GLOBAL_exceptionString,0x00,sizeof(GLOBAL_exceptionString));
}
void healthCheck() {
    //check for watchdog fire
    if (RET_watchdogfired == true) {
        addToExceptionString("WD");
        RET_watchdogfired = false;
    }
    //check clock
    if(RET_haveSettings == true) {
        if (RET_RTCunixtime < 1547678732) {
            //go dormant for 72hrs and then resetup
            RET_haveSettings = false; 
            setState(STATE_DORMANT);
        }
    }
    //check that we have a reasonable time to loc
    if(RET_haveSettings == true) {
        //check location tx delta is set
        if (RET_eventTime_location_tx == 0) {
            if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "ERR:eventTime_location_tx is 0");debug_exe();}
            RET_haveSettings = false;
        }
        //check location failsafe tx delta is less that 2 weeks
        long location_failsafe_tx_delta = (RET_eventTime_location_failsafe_tx - RET_RTCunixtime);
        if (location_failsafe_tx_delta > TENDAYSINSECONDS) {
            if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "ERR:location_failsafe_tx_delta too small");debug_exe();}
            RET_haveSettings = false;
        }
    }
    if (RET_haveSettings == false) {
        setState(STATE_SETUP);
    }
}
void setDefaults() {
    //STATE
    RET_asleep = false;
    RET_haveSettings = false;
    RET_state = STATE_SETUP;
    RET_state_prev = RET_state;
    RET_RTCunixtime = 0;
    RET_SetupRunAt = 0;
    RET_SettingsGotAt = 0;
    RET_force2G = DEFAULT_FORCE2G;
    RET_watchdogfired = false;
    RET_setupInProgress = false;
    RET_receivedNewSettings = false;
    //SETTINGS
    RET_setting_firmware = 0;
    RET_setting_minimumupdate_hrs = 0;
    RET_setting_location_mode = DEFAULT_LOCATION_MODE;
    RET_setting_location_accuracy = DEFAULT_LOCATION_ACCURACY;
    RET_setting_location_tx_interval_mins = DEFAULT_LOCATION_TX_INTERVAL_MINS;
    RET_setting_location_tx_failsafe_hrs = DEFAULT_LOCATION_TX_FAILSAFE_HRS;
    RET_setting_location_timeout = DEFAULT_LOCATION_TIMEOUT;
    RET_setting_activity_tx_interval_hrs = 0;
    RET_setting_activity_mode = 1;
    RET_setting_environmental_tx_interval_mins = 0;
    RET_setting_motion_g = DEFAULT_MOTION_G;
    RET_setting_motion_start_seconds = DEFAULT_MOTION_START_SECONDS;
    RET_setting_motion_stop_seconds = DEFAULT_MOTION_STOP_SECONDS;
    RET_setting_impact_g = 0;
    RET_setting_impact_alert = 0;
    RET_setting_connection_timeout = DEFAULT_CONNECTION_TIMEOUT;
    RET_setting_beacon_interval_seconds = DEFAULT_BEACON_INTERVAL_SECONDS;
    RET_setting_beacon_scan = 0;
    RET_buttonPressCount = 0;
    RET_buttonPressTime = 0;
    RET_buttonHoldTime = 0;
    //MOTION STATE
    RET_motionTriggeredinFrame = false;
    RET_motionTriggeredInLocTXInterval = false;
    RET_motionStartTime = 0;
    RET_motionStopTime = 0;
    RET_motionPendingOnState = 0;
    RET_motionPendingOffState = 0;
    RET_motionState = 0;
    RET_motionTotalActivityHours = 0.0;
    RET_motionTotalActivityHoursSincePost = 0.0;
    RET_motionFrameStart = 0;
    memset(RET_activityData,0x00,sizeof(RET_activityData));
    //IMPACT
    RET_impactTriggered = 0;
    //EVENT HANDLING
    RET_eventTime_location_log = 0;
    RET_eventTime_location_tx = 0;
    RET_eventTime_location_failsafe_tx = 0;
    RET_eventTime_environmental_log = 0;
    RET_eventTime_environmental_tx = 0;
    RET_eventTime_activity_tx = 0;
    RET_eventTime_wakeFromDormant = 0;
    //PERIPHERAL RESET
    lis3dh_configureForSleep(DEFAULT_MOTION_G,DEFAULT_IMPACT_G);
}

bool selfTest() {
    int test_count = 0;
    int test_pass = 0;
    
    //Accelerometer
    test_count ++;
    uint8_t lis3dh_id; 
    lis3dh.LIS3DH_GetWHO_AM_I(&lis3dh_id);
    if (lis3dh_id == 51) {
        GLOBAL_accel_healthy = true;
        test_pass ++;
    } else {
        GLOBAL_accel_healthy = false;
        addToExceptionString("A");   
    }
    
    //Temperature
    test_count ++;
    float temperature;
    if (USE_NRF_TEMP_SENSOR) {
        //INTERNAL NRF52 TEMP SENSOR
        temperature = nrfTemperature();
    } else {
        temperature = si7060.getTemperature();
    }
    if (temperature > -40 && temperature < 60) {
        test_pass ++;
    } else {
        addToExceptionString("T");
    }
    
    //Result
    if (test_count == test_pass) {
        addToExceptionString("OK"); 
        return true;
    } else {
        addToExceptionString("FAIL"); 
        return false;   
    }
}

//------------------------------------------------------------------------------
// MOTION FUNCS
//------------------------------------------------------------------------------ 
void checkMotion() {
    if (lis3dh_int2) {
        //if (GLOBAL_debugLED) LED1blink(1,50);
        RET_motionTriggeredinFrame = true;
        GLOBAL_needToConfigureLis3dh = true; //interrupt has fire so need to clear it
        if (!RET_motionPendingOnState) {
            RET_motionPendingOnState = true;
            RET_motionPendingOffState = false;
            // Log start motion time
            RET_motionStartTime = RET_RTCunixtime;
        }
    } else {
        RET_motionTriggeredinFrame = false;
        RET_motionPendingOnState = false;
        if (!RET_motionPendingOffState) {
            RET_motionPendingOffState = true;
            //log stop motion time
            RET_motionStopTime = RET_RTCunixtime;
        }
    }
    //calculate motion state
    if (RET_motionPendingOnState) {
        //check if above threshold
        time_t inMotionForSeconds = ((RET_RTCunixtime - RET_motionStartTime) + (DEFAULT_SLEEP_FRAME / 1000)); //Plus DEFAULT_SLEEP_FRAME as it should include frame time
        if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "MOT:%u s",inMotionForSeconds);debug_exe();}
        if (inMotionForSeconds >= RET_setting_motion_start_seconds && RET_motionState == false) {
            RET_motionState = true;
            RET_motionTriggeredInLocTXInterval = true;
            //if (GLOBAL_debugLED) LED1blink(1,50);
            if (RET_setting_activity_mode == 2) {
                if (RET_setting_location_tx_failsafe_hrs > 0) {
                    time_t epochOffsetMins = ((RET_RTCunixtime - RET_motionFrameStart) / 60);
                    sprintf(RET_activityData+strlen(RET_activityData),"1.%u!",epochOffsetMins);
                }
            }
        }
    }
    if (RET_motionPendingOffState) {
        time_t noMotionForSeconds = ((RET_RTCunixtime - RET_motionStopTime) + (DEFAULT_SLEEP_FRAME / 1000)); //Plus DEFAULT_SLEEP_FRAME as it should include frame time
        if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "MOTLESS:%u s",noMotionForSeconds);debug_exe();}
        if (noMotionForSeconds >= RET_setting_motion_stop_seconds && RET_motionState == true) {
            //if (GLOBAL_debugLED) LED1blink(2,50);
            RET_motionPendingOffState = false;
            RET_motionState = false;
            GLOBAL_motionStopFlagTriggered = true;
            if (RET_setting_location_tx_failsafe_hrs > 0) {
                RET_motionTotalActivityHoursSincePost += ((float(RET_motionStopTime)-float(RET_motionStartTime)) / 3600.0f);
                RET_motionTotalActivityHours += RET_motionTotalActivityHoursSincePost;
                if (RET_setting_activity_mode == 2) {
                    time_t epochOffsetMins = ((RET_RTCunixtime - RET_motionFrameStart) / 60);
                    sprintf(RET_activityData+strlen(RET_activityData),"0.%u!",epochOffsetMins);
                }
            }
        }
    }
}

//------------------------------------------------------------------------------
// UPDATE OPERATING SETTINGS
//------------------------------------------------------------------------------ 
bool saveSettings(char* settingsBuffer) {
    int matchCount = 0;
    int critical_fail_count = 0;
    int TEMP_a = -1; time_t TEMP_b = 0; int TEMP_c = -1; int TEMP_d = -1; int TEMP_e = -1; int TEMP_f = -1; int TEMP_g = -1; int TEMP_h = -1; int TEMP_i = -1; int TEMP_j = -1; 
    int TEMP_k = -1; int TEMP_l = -1; int TEMP_m = -1; int TEMP_n = -1; int TEMP_o = -1; int TEMP_p = -1; int TEMP_q = -1; int TEMP_r = -1; int TEMP_s = -1; int TEMP_t = -1;
    int varTotal = 19; //change this if var number changes!!!!!!!!
    if ( (matchCount = sscanf(settingsBuffer,"a:%d,b:%u,c:%d,d:%d,e:%d,f:%d,g:%d,h:%d,i:%d,j:%d,k:%d,l:%d,m:%d,n:%d,o:%d,p:%d,q:%d,r:%d,s:%d,t:%d",
    &TEMP_a,&TEMP_b,&TEMP_c,&TEMP_d,&TEMP_e,&TEMP_f,&TEMP_g,&TEMP_h,&TEMP_i,&TEMP_j,&TEMP_k,&TEMP_l,&TEMP_m,&TEMP_n,&TEMP_o,&TEMP_p,&TEMP_q,&TEMP_r,&TEMP_s,&TEMP_t) ) > 0 ) {
        if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "FROMSERVER: a:%d,b:%u,c:%d,d:%d,e:%d,f:%d,g:%d,h:%d,i:%d,j:%d,k:%d,l:%d,m:%d,n:%d,o:%d,p:%d,q:%d,r:%d,s:%d,t:%d\n",
        TEMP_a,TEMP_b,TEMP_c,TEMP_d,TEMP_e,TEMP_f,TEMP_g,TEMP_h,TEMP_i,TEMP_j,TEMP_k,TEMP_l,TEMP_m,TEMP_n,TEMP_o,TEMP_p,TEMP_q,TEMP_r,TEMP_s,TEMP_t);debug_exe();}
        
        if(TEMP_a != -1) { RET_setting_minimumupdate_hrs = TEMP_a;                      }
        if(TEMP_b != 0)  { RET_RTCunixtime = TEMP_b;                                    } else { critical_fail_count++; }
        if(TEMP_c != -1) { RET_setting_firmware = TEMP_c;                               } else { RET_setting_firmware = -1;}
        if(TEMP_d != -1) { setState(TEMP_d);                                            } else { setState(STATE_NORMAL);}
        if(TEMP_e != -1) { RET_setting_location_mode = TEMP_e;                          }
            if(RET_setting_location_mode > 3) {RET_setting_location_mode = DEFAULT_LOCATION_MODE;}
        if(TEMP_f != -1) { RET_setting_location_accuracy = TEMP_f;                      }
            if(RET_setting_location_accuracy > 3) {RET_setting_location_accuracy = DEFAULT_LOCATION_ACCURACY;}
        if(TEMP_g != -1) { RET_setting_location_tx_interval_mins = TEMP_g;              }
        if(TEMP_h != -1) { RET_setting_location_tx_failsafe_hrs = TEMP_h;               }
            if(RET_setting_location_tx_failsafe_hrs > 504) {RET_setting_location_tx_failsafe_hrs = DEFAULT_LOCATION_TX_FAILSAFE_HRS;}
        if(TEMP_i != -1) { RET_setting_location_timeout = TEMP_i;                       }
            if(RET_setting_location_timeout < 60 || RET_setting_location_timeout > 300) {RET_setting_location_timeout = DEFAULT_LOCATION_TIMEOUT;}
        if(TEMP_j != -1) { RET_setting_activity_tx_interval_hrs = TEMP_j;               }
        if(TEMP_k != -1) { RET_setting_environmental_tx_interval_mins = TEMP_k;         }
        if(TEMP_l != -1) { RET_setting_motion_g = TEMP_l;                               }
            if(RET_setting_motion_g < 4 || RET_setting_motion_g > 127) {RET_setting_motion_g = DEFAULT_MOTION_G;}
        if(TEMP_m != -1) { RET_setting_motion_start_seconds = TEMP_m;                   }
        if(TEMP_n != -1) { RET_setting_motion_stop_seconds = TEMP_n;                    }
        if(TEMP_o != -1) { RET_setting_impact_g = TEMP_o;                               }
        if(TEMP_p != -1) { RET_setting_impact_alert = TEMP_p;                           }
        if(TEMP_q != -1) { RET_setting_connection_timeout = TEMP_q;                     }
            if(RET_setting_connection_timeout < 60 || RET_setting_connection_timeout > 240) { RET_setting_connection_timeout = DEFAULT_CONNECTION_TIMEOUT; }
        if(TEMP_r != -1) { RET_setting_beacon_interval_seconds = TEMP_r;                }
        if(TEMP_s != -1) { RET_setting_beacon_scan = TEMP_s;                            }
        if(TEMP_t != -1) { RET_setting_activity_mode = TEMP_t;                          }

        if (critical_fail_count == 0) { 
            RET_receivedNewSettings = true;
            if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "SETTINGS OK");debug_exe();}
            dumpSettings();
            RET_haveSettings = true;
            GLOBAL_needToConfigureLis3dh = true;
            RET_SettingsGotAt = RET_RTCunixtime;
            //check for firmware update
            if (RET_setting_firmware > 0 && RET_setting_firmware != FW_VERSION) {
                read_app_data_from_flash(&app_data);
                clr_flag(&app_data, app_execution_flag);
                clr_flag(&app_data, first_run_flag);
                app_data.current_firmware_version = FW_VERSION;
                app_data.target_firmware_version = RET_setting_firmware;
                write_app_data_to_flash(&app_data);
                if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "OTA\n");debug_exe();}
                ThisThread::sleep_for(250);
                system_reset();
            }
            return true;
        } else {
            if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "CRITICAL FAILS:%d",critical_fail_count);debug_exe();}
            dumpSettings();
            addToExceptionString("SCF");
            //dont set RET_haveSettings = false; here, if we already have settings continue to use them
            return false;
        }
    } else {
        //dont set RET_haveSettings = false; here, if we already have settings continue to use them
        addToExceptionString("SPE");
        return false;
    }
}

//------------------------------------------------------------------------------
// SET EVENT TIMES
//------------------------------------------------------------------------------ 
void setEventTime_Location() {
    if(RET_setting_location_tx_interval_mins > 0) { 
        RET_eventTime_location_tx = (RET_RTCunixtime + (RET_setting_location_tx_interval_mins * 60));
        if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "EVTSET - LOC TX @ %u, MODE %d",RET_eventTime_location_tx, RET_setting_location_mode);debug_exe();}
    }
    if(RET_setting_location_tx_failsafe_hrs > 0) { 
        RET_eventTime_location_failsafe_tx = (RET_RTCunixtime + (RET_setting_location_tx_failsafe_hrs * 3600));
        if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "EVTSET - LOC FS TX @ %u",RET_eventTime_location_failsafe_tx);debug_exe();}
    }
}
void setEventTime_Activity() {
    if(RET_setting_activity_tx_interval_hrs > 0) { 
        RET_motionFrameStart = RET_RTCunixtime; //SET START FRAME INITAL
        RET_eventTime_activity_tx = (RET_RTCunixtime + (RET_setting_activity_tx_interval_hrs * 3600));
        if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "EVTSET - ACT TX @ %u",RET_eventTime_activity_tx);debug_exe();}
    }
}
void setEventTime_Environmental() {
    if(RET_eventTime_environmental_tx > 0) { 
        RET_eventTime_environmental_tx = (RET_RTCunixtime + (RET_setting_environmental_tx_interval_mins * 60));
        if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "EVTSET - ENV TX @ %u",RET_eventTime_environmental_tx);debug_exe();}
    }
}
void setEventTimes() {
    //SET ALL EVENT TIMES
    setEventTime_Location();
    setEventTime_Activity();
    setEventTime_Environmental();
}

//------------------------------------------------------------------------------
// ERROR LOG
//------------------------------------------------------------------------------ 
void sendErrorLog(char* error) {
    float voltage = getBatteryV();
    int timetaken = (RET_RTCunixtime - GLOBAL_wakeTime);
    char bytestosend[100];
    memset(bytestosend,0x00,sizeof(bytestosend));
    snprintf(bytestosend,sizeof(bytestosend),"(%s,a:log,f:%d,v:%.2f,e:%d,z:%s.%s,c:1,s:0)\0",GLOBAL_defaultApi,FW_VERSION,voltage,timetaken,error,GLOBAL_exceptionString);
    if (modem.on(RET_force2G)) {
        if (modem.registerOnNetwork(DEFAULT_CONNECTION_ATTEMPTS,(RET_setting_connection_timeout*1000))) {
            modem.USSDmessage(bytestosend, false, 2, GLOBAL_defaultApi);
        }
    }
    ThisThread::sleep_for(250);
}

//------------------------------------------------------------------------------
// EVENTS
//------------------------------------------------------------------------------ 
bool event_setup(bool manualrun) {
    RET_setupInProgress = true;
    bool pass = true;
    float temperature = getTemperature();
    float voltage = getBatteryV();
    bool selftestresult = selfTest();
    if (selftestresult == false) { LED1errorCode(4,10); } //ERROR 4
    int connectionStartTime = RET_RTCunixtime;
    if (modem.on(RET_force2G)) {
        char locString[70];
        int gpsStartTime = RET_RTCunixtime;
        memcpy(locString, modem.getLocation(1, RET_setting_location_timeout), 70);
        int timetaken_gps = (RET_RTCunixtime - gpsStartTime);
        if (modem.registerOnNetwork(DEFAULT_CONNECTION_ATTEMPTS,(RET_setting_connection_timeout*1000))) {
            int timetaken_total = (RET_RTCunixtime - GLOBAL_wakeTime) + 10; //add 10 for ussd response time.
            int timetaken_connection = (RET_RTCunixtime - connectionStartTime);
            if (manualrun) addToExceptionString("MAN");
            char bytestosend[160];
            snprintf(bytestosend,sizeof(bytestosend),"(%s,a:setup,f:%d,v:%.2f,t:%.1f,e:%d,y:%d,x:%d,z:SETUP-%s,k:%s,m:%s,c:1,s:1%s)\0",GLOBAL_defaultApi,FW_VERSION,voltage,temperature,timetaken_total,timetaken_connection,timetaken_gps,GLOBAL_exceptionString,SKU,HW_MAJORREVISION,locString);
            char result[200];
            snprintf(result,sizeof(result),"%s",modem.USSDmessage(bytestosend, true, 2, GLOBAL_defaultApi));
            if (strcmp(result, "err") != 0) {
                if (saveSettings(result) == false) {
                    //something went critically wrong getting settings 
                    pass = false;
                    sendErrorLog("ERR:SU-IR");
                }                      
            } else {
                //Response error
                sendErrorLog("ERR:SU-NR");
            }
        } else {
            //FAILUREMODE modem failed to register on network
            modem.off(true);
            if(GLOBAL_debugLED) LED1errorCode(3,10); //ERROR 3
            pass = false;
        }
    } else {
        //FAILUREMODE Modem failed to turn on  
        modem.off(true);
        if(GLOBAL_debugLED) LED1errorCode(2,10); //ERROR 2
        pass = false;
    }
    //SEND ANY ACTIVITY DATA
    event_activity_tx(RET_setting_activity_mode);
    modem.off(true);
    
    //LOG RUN TIME - THIS MUST GO AT END AFTER WE HAVE GOT SERVER TIMESTAMP
    RET_SetupRunAt = RET_RTCunixtime;
    setEventTimes();
    RET_setupInProgress = false; //this turns off the flashing led
    //RESULT
    return pass;
}

void event_turnonofflog_tx(bool turnon) {
    float temperature = getTemperature();
    float voltage = getBatteryV();
    int connectionStartTime = RET_RTCunixtime;
    if (modem.on(RET_force2G)) {
        char locString[70];
        int gpsStartTime = RET_RTCunixtime;
        memcpy(locString, modem.getLocation(1, RET_setting_location_timeout), 70);
        int timetaken_gps = (RET_RTCunixtime - gpsStartTime);
        if (modem.registerOnNetwork(DEFAULT_CONNECTION_ATTEMPTS,(RET_setting_connection_timeout*1000))) {
            int timetaken_total = (RET_RTCunixtime - GLOBAL_wakeTime);
            int timetaken_connection = (RET_RTCunixtime - connectionStartTime);
            char bytestosend[160];
            if (turnon) {
                snprintf(bytestosend,sizeof(bytestosend),"(%s,a:log,f:%d,t:%.1f,v:%.2f,z:TURNON,e:%d,y:%d,x:%d,c:1,s:1%s)\0",GLOBAL_defaultApi,FW_VERSION,temperature,voltage,timetaken_total,timetaken_connection,timetaken_gps,locString);
            } else {
                snprintf(bytestosend,sizeof(bytestosend),"(%s,a:log,f:%d,t:%.1f,v:%.2f,z:TURNOFF,e:%d,y:%d,x:%d,c:1,s:1%s)\0",GLOBAL_defaultApi,FW_VERSION,temperature,voltage,timetaken_total,timetaken_connection,timetaken_gps,locString);
            }
            char result[180];
            snprintf(result,sizeof(result),"%s",modem.USSDmessage(bytestosend, false, 2, GLOBAL_defaultApi));
        } else {
            modem.off(true);  
        }
    } else {
        modem.off(true);
    }
    modem.off(true);
}

void event_location_tx() {
    float temperature = getTemperature();
    float voltage = getBatteryV();
    int selfTestResult = selfTest();
    int connectionStartTime = RET_RTCunixtime;
    if (RET_receivedNewSettings) {RET_receivedNewSettings = false; addToExceptionString("SR"); }
    if (modem.on(RET_force2G)) {
        char locString[70];
        int gpsStartTime = RET_RTCunixtime;
        memcpy(locString, modem.getLocation(RET_setting_location_accuracy, RET_setting_location_timeout), 70);
        int timetaken_gps = (RET_RTCunixtime - gpsStartTime);
        //SEND DATA
        if (modem.registerOnNetwork(DEFAULT_CONNECTION_ATTEMPTS,(RET_setting_connection_timeout*1000))) {
            int timetaken_total = (RET_RTCunixtime - GLOBAL_wakeTime) + 10; //add 10 for ussd response time.
            int timetaken_connection = (RET_RTCunixtime - connectionStartTime);
            //Check if we should wait for settings back
            bool getSettings = true;
            //work out if we need to get settings back
            if (  ((RET_RTCunixtime - RET_SettingsGotAt)/3600) < RET_setting_minimumupdate_hrs  ) { getSettings = false; timetaken_total -= 10;} //remove the extra 10 seconds from times
            char bytesToSend[160];
            snprintf(bytesToSend,sizeof(bytesToSend),"(%s,a:loc,f:%d,t:%.1f,v:%.2f,z:LOC-%s,e:%d,y:%d,x:%d,c:1,s:%d%s)\0",GLOBAL_defaultApi,FW_VERSION,temperature,voltage,GLOBAL_exceptionString,timetaken_total,timetaken_connection,timetaken_gps,getSettings,locString);
            char result[180];
            snprintf(result,sizeof(result),"%s",modem.USSDmessage(bytesToSend, getSettings, 2, GLOBAL_defaultApi));
            if (result != "err") {
                if (getSettings) {
                    if (saveSettings(result) == false){sendErrorLog("ERR:LOC-IR");}
                }
            } else {
                sendErrorLog("ERR:LOC-NR");
            }
        } else {
            modem.off(true);
            if(GLOBAL_debugLED) LED1errorCode(3,10); //ERROR 3   
        }
    } else {
        modem.off(true);
        if(GLOBAL_debugLED) LED1errorCode(2,10); //ERROR 2
    }
    modem.off(true);
    //RESETS
    RET_motionTriggeredInLocTXInterval = false;
    setEventTime_Location();
}

void event_activity_tx(uint8_t activity_mode) {
    //SEND ACTIVITY DATA
    //check we have something to send...
    if (RET_motionTotalActivityHoursSincePost > 0.0 && activity_mode > 0) {
        float temperature = getTemperature();
        float voltage = getBatteryV();
        if (modem.on(RET_force2G)) {
            //SEND DATA
            if (modem.registerOnNetwork(DEFAULT_CONNECTION_ATTEMPTS,(RET_setting_connection_timeout*1000))) {
                char bytesToSend[160];
                if (activity_mode == 1) {
                    snprintf(bytesToSend,sizeof(bytesToSend),"(%s,a:act,t:%u,r:%.2f,h:%.2f,c:1)\0",GLOBAL_defaultApi,RET_motionFrameStart,RET_motionTotalActivityHoursSincePost,RET_motionTotalActivityHours);
                } else if (activity_mode == 2) {
                    snprintf(bytesToSend,sizeof(bytesToSend),"(%s,a:act,e:%s,t:%u,r:%.2f,c:1)\0",GLOBAL_defaultApi,RET_activityData,RET_motionFrameStart,RET_motionTotalActivityHoursSincePost);
                }
                char result[180];
                bool getResponse = false;
                snprintf(result,sizeof(result),"%s",modem.USSDmessage(bytesToSend, getResponse, 2, GLOBAL_defaultApi));
                if (result != "err") {
                    //RESET ACTIVITY FRAME
                    memset(RET_activityData,0,sizeof(RET_activityData));
                    if (RET_haveSettings) { RET_motionFrameStart = RET_RTCunixtime; }
                }
            } else {
                modem.off(true);
                if(GLOBAL_debugLED) LED1errorCode(3,10); //ERROR 3
            }
        } else {
            modem.off(true);
            if(GLOBAL_debugLED) LED1errorCode(2,10); //ERROR 3
        }
        modem.off(true);
    }
    //RESETS
    setEventTime_Activity();
}

//------------------------------------------------------------------------------
// STATE ENGINE
//------------------------------------------------------------------------------ 
void mainStateEngine() {
    switch(RET_state) {
        case STATE_SETUP :
        { //need the curlies to avoid "transfer of control bypass init error warning"
            //check that we havent run setup too recently
            time_t setupRunAt_delta = (RET_RTCunixtime - RET_SetupRunAt);
            if (RET_SetupRunAt == 0 || setupRunAt_delta > ONEDAYINSECONDS) {
                if (event_setup(false)) {
                    // All good
                    setState(STATE_NORMAL);
                } else {
                    RET_eventTime_wakeFromDormant = (RET_RTCunixtime + ONEDAYINSECONDS);
                    setState(STATE_DORMANT);
                    if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer),"SETUP FAILED:DORMANT until %u\n",RET_eventTime_wakeFromDormant);debug_exe();}
                }
            } else {
                time_t setupCanRunAt = (RET_RTCunixtime + (ONEDAYINSECONDS - setupRunAt_delta));
                if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer),"SETUP CAN RUN AGAIN @%u \n",setupCanRunAt);debug_exe();}
            }
            break;
        }
        case STATE_NORMAL :
        {            
            //LOCATION EVENT
            bool run_location_tx = false;
            switch (RET_setting_location_mode) {
                case 1: //INTERVAL POST
                    if(RET_RTCunixtime >= RET_eventTime_location_tx && RET_eventTime_location_tx > 0) { run_location_tx = true; }
                    break;
                case 2: //INTERVAL POST WITH MOTION CHECK
                    if(RET_RTCunixtime >= RET_eventTime_location_tx && RET_eventTime_location_tx > 0) { 
                        if (RET_motionTriggeredInLocTXInterval == true) {
                            run_location_tx = true;
                        } else {
                             if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "Skip TX no mot\n");debug_exe();}
                        }
                    }
                    break;
                case 3: //POST ON STOP MOTION
                    if (GLOBAL_motionStopFlagTriggered) { run_location_tx = true; GLOBAL_motionStopFlagTriggered = false; }
                    break;
            }
            if(RET_RTCunixtime >= RET_eventTime_location_failsafe_tx && RET_eventTime_location_failsafe_tx > 0) { run_location_tx = true; }
            if (run_location_tx) { event_location_tx(); }
            
            
            //ACTIVITY EVENT
            bool run_activity_tx = false;
            if(RET_RTCunixtime >= RET_eventTime_activity_tx && RET_eventTime_activity_tx > 0) {
                if (RET_setting_activity_mode == 1 && RET_motionTotalActivityHoursSincePost > 0.0) {
                    run_activity_tx = true;
                }
                if (RET_setting_activity_mode == 2 && strlen(RET_activityData) > 1) {
                    run_activity_tx = true;
                }
            }
            //If in sendevent mode, check if buffer is close to full, if so send
            if (RET_setting_activity_mode == 2 && strlen(RET_activityData) > (ACTIVITY_BUFFERSIZE-20)) { run_activity_tx = true; }
            if (run_activity_tx) { event_activity_tx(RET_setting_activity_mode); }
            break;
        }
        case STATE_DORMANT :
        {
            if (RET_RTCunixtime >= RET_eventTime_wakeFromDormant) {
                if (RET_haveSettings) {
                    setState(STATE_NORMAL); 
                } else {
                    setState(STATE_SETUP); 
                }
            }
            if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer),"STATE:DORMANT until %u\n",RET_eventTime_wakeFromDormant);debug_exe();}
            break;
        }
        case STATE_BUTTONPRESS1 :
        {
            setState(STATE_NORMAL);
            if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer),"BUTTON PRESS 1\n");debug_exe();}
            LED1blink(1,300);
            break;
        }
        case STATE_BUTTONPRESS2 :
        {
            setState(STATE_NORMAL);
            if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer),"BUTTON PRESS 2\n");debug_exe();}
            LED1blink(3,300);
            LED1on(0);
            event_setup(true);
            LED1off();
            break;
        }
        case STATE_BUTTONPRESS3 :
        {
            setState(STATE_NORMAL);
            if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer),"BUTTON PRESS 3\n");debug_exe();}
            LED1blink(5,300);
            LED1on(0);
            event_location_tx();
            LED1off();
            break;  
        }
        case STATE_BUTTONHOLD :
        {
            if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer),"BUTTON HOLD \n");debug_exe();}
            if (RET_state_prev == STATE_NORMAL) {
                RET_eventTime_wakeFromDormant = (RET_RTCunixtime + THREEDAYSINSECONDS);
                setState(STATE_DORMANT);
                if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer),"TURNING OFF\n");debug_exe();}
                if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer),"STATE:DORMANT until %u\n",RET_eventTime_wakeFromDormant);debug_exe();}
                LED1on(5000);
                event_turnonofflog_tx(false);
            } else {
                if (RET_haveSettings) {
                    setState(STATE_NORMAL);
                } else {
                    setState(STATE_SETUP);
                }
                if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer),"TURNING ON\n");debug_exe();}
                LED1blink(20,100);
            }
            break;
        }
        case STATE_SCORCHEDEARTH :
        {
            LED1blink(40,50);
            if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer),"SCORCHED EARTH - RESETTING");debug_exe();}
            setState(STATE_SETUP); //this wont be used but just incase to kick it out of this state
            read_app_data_from_flash(&app_data);
            app_data.current_firmware_version = 0;
            app_data.target_firmware_version = 0;
            write_app_data_to_flash(&app_data);
            system_reset();
            break;
        }
        default :
        {
            setState(STATE_SETUP);
        }
    }
}

//------------------------------------------------------------------------------
// MAIN
//------------------------------------------------------------------------------ 
int main() {    
    //INIT
    watchdog.configure(240.0); //4 mins
    LED1off();
    modem.off(false);
    RTCticker.attach(&RTCtick, 1.0);
    button.fall(&buttonPress);
    button.rise(&buttonRelease);
    read_app_data_from_flash(&app_data);
    dumpSettings();
    
    //CHECK IF THIS IS RESET
    //0x00000008 == lock up //0x00000004 == soft reset  //0x00000002 == watchdog  //0x00000001 == button/hardreset 
    if (NRF_POWER->RESETREAS != 0xffffffff) {
        RET_coldBoot = 1;
        switch(NRF_POWER->RESETREAS) {
            case 0x00000001  :
                if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer),"RR:PI\n");debug_exe();}
            break;
            case 0x00000002  :
                if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer),"RR:WD\n");debug_exe();}
            break;
            case 0x00000004  :
                if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer),"RR:SW\n");debug_exe();}
            break;
            case 0x00000008  :
                if(DEBUG_ON){debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer),"RR:LU\n");debug_exe();}
            break;            
        }
        NRF_POWER->RESETREAS = 0xffffffff;
    } else {
        //if its not one of these reasons then its a power-on or a brown-out
        if(get_flag(&app_data, app_execution_flag) == false) {
            //THIS is a unexpected reset / brownout???
            //THIS NEEDS TESTING
        }
    }
    
    //CHECK FOR FIRST BOOT
    if (RET_coldBoot == 1) { 
        setDefaults(); 
        //check battery
        float voltage = getBatteryV();
        if (voltage > 2.5f) {
            //battery ok
            LED1errorCode(6,2);
        } else {
            //battery low
            LED1errorCode(10,2);
        }
        addToExceptionString("FR");
        mainthread.wait(2000);
    }
    
    //MAIN LOOP
    while(true) {
        //WATCHDOG
        watchdogKick();
        RET_asleep = false;
        
        //INIT
        resetGlobals();
        healthCheck(); //this must be after resetGlobals
        GLOBAL_wakeTime = RET_RTCunixtime;
        
        //check and log motion
        if (RET_state == STATE_NORMAL) { checkMotion(); }
        
        //MAIN LOGIC
        if(DEBUG_ON){
            if (RET_state != 99) {
                debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "F:%d, S:%d, SET:%d, MF:%d, MS:%d, MTX:%d, %u, L:%u, LFS:%u, A:%u", FW_VERSION, RET_state, RET_haveSettings, RET_motionTriggeredinFrame, RET_motionState, RET_motionTriggeredInLocTXInterval, RET_RTCunixtime,RET_eventTime_location_tx,RET_eventTime_location_failsafe_tx,RET_eventTime_activity_tx);debug_exe();
                debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "ACT M:%d, HsP:%.2f, Ht:%.2f D:%s\n",RET_setting_activity_mode,RET_motionTotalActivityHoursSincePost,RET_motionTotalActivityHours,RET_activityData);debug_exe();
            } else {
                debug_prep();snprintf(GLOBAL_debug_buffer, sizeof(GLOBAL_debug_buffer), "F:%d, S:%d, WAKE@:%u\n", FW_VERSION, RET_state, RET_eventTime_wakeFromDormant);debug_exe();
            }
        }
        
        /*
        if (modem.on(RET_force2G)) {
            if (modem.registerOnNetwork(DEFAULT_CONNECTION_ATTEMPTS,(RET_setting_connection_timeout*1000))) {
                modem.USSDsend("(b:gps2,a:act,e:1.7!0.15!,t:1547937626,r:0.13,c:1)\0",2);
            }
        }
        */

        //STATE ENGINE
        mainStateEngine();
                
        //LOG FIRST RUN - BOOTLOADER COMMS
        if (RET_coldBoot) {
            recordFirmwareAsValid();
            RET_coldBoot = 0;
        }
        
        //PRE-SLEEP ACTIONS
        LED1off();
        modem.off(false);
        RET_motionTriggeredinFrame = false;
        if (GLOBAL_needToConfigureLis3dh) { lis3dh_configureForSleep(RET_setting_motion_g,RET_setting_impact_g); }
        nrf_configureGPIOForSleep();
        NRFuart_uninit();
        watchdogKick();
        
        //SLEEP
        RET_asleep = true;
        mainthread.wait(DEFAULT_SLEEP_FRAME);
    }
}