view src/cs/drivers/drv_app/lcc/lcc_handle_message.c @ 303:f76436d19a7a default tip

!GPRS config: fix long-standing AT+COPS chance hanging bug There has been a long-standing bug in FreeCalypso going back years: sometimes in the AT command bring-up sequence of an ACI-only MS, the AT+COPS command would produce only a power scan followed by cessation of protocol stack activity (only L1 ADC traces), instead of the expected network search sequence. This behaviour was seen in different FC firmware versions going back to Citrine, and seemed to follow some law of chance, not reliably repeatable. This bug has been tracked down and found to be specific to !GPRS configuration, stemming from our TCS2/TCS3 hybrid and reconstruction of !GPRS support that was bitrotten in TCS3.2/LoCosto version. ACI module psa_mms.c, needed only for !GPRS, was missing in the TCS3 version and had to be pulled from TCS2 - but as it turns out, there is a new field in the MMR_REG_REQ primitive that needs to be set correctly, and that psa_mms.c module is the place where this initialization needed to be added.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 08 Jun 2023 08:23:37 +0000
parents 4e78acac3d88
children
line wrap: on
line source

/******************************************************************************
 * Power Task (pwr)
 * Design and coding by Svend Kristian Lindholm, skl@ti.com
 *
 * PWR Message Processing
 *
 * $Id: pwr_handle_message.c 1.3 Wed, 20 Aug 2003 15:17:25 +0200 skl $
 *
 ******************************************************************************/
#include <string.h>
#include "lcc/lcc.h"
#include "lcc/lcc_api.h"
#include "lcc/lcc_trace.h"
#include "lcc/lcc_task.h"
#include "lcc/lcc_tm_i.h"
#include "lcc/lcc_cfg_i.h"
#include "lcc/lcc_cfg.h"
#include "lcc/lcc_modulate.h"

#include "rv/rv_defined_swe.h"

#include "ffs/ffs.h"

#include "etm/etm_env.h"

#include "abb/abb.h"
/******************************************************************************
 * Function prototypes
 ******************************************************************************/

void ttr(unsigned trmask, char *format, ...);
void str(unsigned mask, char *string);

void *pwr_malloc(int size);

T_RVM_RETURN pwr_task_init(void);

UINT32 pwr_timer_elapsed(UINT32 time_begin, UINT32 current_timer);
void build_name(const char *ch_pre, char *cfg_id , UINT8 index, const char * ch_post,  char * name);

void pwr_modulate_init(void);
void pwr_modulate_on(void);
int pwr_capacity(uint16 Vbat);

void pwr_check_timers();
void pwr_stop_timers();

T_RVM_RETURN pwr_start_timer(UINT32 *timer_begin);
T_RVM_RETURN pwr_stop_timer(UINT32 *timer_begin);

T_RVM_RETURN pwr_check_files(void);
T_RVM_RETURN pwr_read_files(void);
T_RVM_RETURN pwr_read_chg_files(void);
T_RVM_RETURN pwr_read_cal_files(void);

void pwr_send_msg(uint32 msg_id ,T_RVF_ADDR_ID src_addr_id, T_RVF_ADDR_ID  dest_addr_id);
void mmi_send_msg(struct mmi_info_ind_s *event);

void start_q401_charge(void);
void start_q402_charge(void);
void start_pre_charge(void);
void stop_q401_charge(void);
void stop_q402_charge(void);
void stop_pre_charge(void);
void charger_unplug_house_keeping(void);
void cv_charging_house_keeping(void);
void end_charging_house_keeping(void);
int check_chg_unplug(void);

#if (TEST_PWR_MMI_INTERFACE == 1)
    #include "lcc/pwr_mmi_api.c"
#endif

extern T_PWR_CTRL_BLOCK *pwr_ctrl;
extern T_PWR_CFG_BLOCK  *pwr_cfg;

/******************************************************************************
 * Functions 
 ******************************************************************************/

void build_name(const char *ch_pre, char *cfg_id, UINT8 index, const char * ch_post,  char * name) 
{
    char tmp[2];

    strcpy(name, ch_pre);
    tmp[0] = *cfg_id;
    tmp[1] = 0; // null-termination of strings!
    strcpy(&(name[index]), tmp);
    strcat(name, ch_post);
    ttw(ttr(TTrInit, "build_name: '%s'" NL, name));
}


T_RVM_RETURN pwr_task_init()
{
// Perform battery initialization of the pwr task by
// reading battery id and FFS configuration files
    T_FFS_SIZE       error;

    ttw(ttr(TTrInit, "pwr_task_init(%d)" NL, 0));

    // Check configuration and calibration files
    if ((error = pwr_check_files()) < 0)
        return error;

    // Read configuration files
    if ((error = pwr_read_files()) < 0)
        return error;

    ttw(ttr(TTrInit, "pwr_task_init(%d)" NL, 0xFF));
    return RV_OK;

}

int pwr_chg_start(int Tbat) {
    int capacity;
    // Tbat is the temperature measured in Celsius
    // Check start conditions for charging - it is assumed that a charger is plugged
    // This check is used in state SUP

    // Charging start will _not_ be performed if ...
    // 1) Battery temperature is outside limits (measurement)
    // 2) Charger identity is unknown

    ttw(ttr(TTrCharge, "pwr_chg_start(%d)" NL, 0));

    // 1)
    // Battery temperature is outside limits (measurement)
    // FIXME: Check also low temperatures
    //    if ((Tbat < pwr_cfg->temp.tbat_min) || (Tbat > pwr_cfg->temp.tbat_max)) {
    if ((Tbat > pwr_cfg->temp.tbat_max)) {
        ttw(ttr(TTrCharge, "pwr_chg_start(%d) Tbat=(%d)" NL, 0xFF, Tbat));
        return FALSE;
    }

    // 2) 
    // Charger identity unknown
    if ((pwr_ctrl->flag_chg_unknown == 1) && (pwr_ctrl->flag_mmi_registered == 1)) {
        ttw(ttr(TTrCharge, "pwr_chg_start(%d) Chg unknown=(%d)" NL, 0xFF, Tbat));
        pwr_ctrl->mmi_ptr->header.msg_id = MMI_CHG_UNKNOWN_IND;
        mmi_send_msg(pwr_ctrl->mmi_ptr);
        // Send only once
        pwr_ctrl->flag_bat_unknown = 0;
        return FALSE;
    }

    ttw(ttr(TTrCharge, "pwr_chg_start(%d)" NL, 0xFF));
    return TRUE;
}

int pwr_chg_stop(int Tbat, int Vbat) {
    // Check stop conditions for charging
    // I.e.
    // - temperature (RF+Battery) thresholds
    // - battery voltage thresholds
    // - regulation loop gain (duty cycle)
    //
    // This check is used regularly in state CCI, LCI, CCV and LCV

    // Charging will be stopped if ...
    // 1) Battery temperature is outside limits
    // 2) Battery voltage is equal to - or above - charging stop battery voltage

    // Nickel checks:
    // 3) The RF temperature versus battery temperature rise is above threshold (Possible?)
    //
    // Lithium checks:
    // 4) The regulation parameter k is below configured threshold limit
    // Returns TRUE if the charging algorithm should be stopped
    // Returns FALSE if the charging algorithm should be continued


    ttw(ttr(TTrCharge, "pwr_chg_stop(%d)" NL, 0));

    // 1)
    // Battery temperature is outside limits
    // FIXME: Check also low temperatures
    if (Tbat > pwr_cfg->temp.tbat_max) {
        ttw(ttr(TTrCharge, "pwr_chg_stop(%d) Tbat=(%d)" NL, 0xFF, Tbat));
        if (pwr_ctrl->flag_mmi_registered == 1) {
            pwr_ctrl->mmi_ptr->header.msg_id = MMI_CHG_FAILED_IND;
            pwr_ctrl->mmi_ptr->cause         = BATTERY_TEMPERATURE_HIGH;
            mmi_send_msg(pwr_ctrl->mmi_ptr);
        }
        return TRUE;
    }

    // 2)
    // Battery voltage is equal to - or above - charging stop battery voltage
    if ((Vbat > pwr_cfg->bat.chg_stop_thr)) {
        ttw(ttr(TTrCharge, "pwr_chg_stop(%d) Vbat=(%d)" NL, 0xFF, Vbat));
        ttw(ttr(TTrCharge, "pwr_cfg->bat.chg_stop_thr=%d" NL, 0xFF, pwr_cfg->bat.chg_stop_thr));
        return TRUE;
    }
#if 0
#ifndef PWR_FFS_CFG
    pwr_cfg->common.rise_thr = PWR_RISE_THR ;
#endif

    // 3)
    // The RF temperature versus battery temperature rise is above threshold (Possible?)
    // Did the battery temperature rise more than the RF temperature rise - stop for Nickel charging!
    // Only for Nickel batteries
    // FIXME: How big time difference should there be between the deltas? Configurable?
    if ((pwr_cfg->data.dTbat - pwr_cfg->data.dT_rf > pwr_cfg->common.rise_thr) == TRUE) {
        ttw(ttr(TTrCharge, "pwr_chg_stop(%d) d(Tbat-Trf)=(%d)" NL, 0xFF, pwr_cfg->data.dTbat - pwr_cfg->data.dT_rf));
        return TRUE;
    }
#endif

    // 4) FIXME: Remove states in this part of the function
    // Regulation parameter k is below the configured limit
    if ((pwr_cfg->bat.type == LITHIUM) &&
        ((pwr_ctrl->state == LCV) || (pwr_ctrl->state == CCV)) &&
        (pwr_cfg->data.k < pwr_cfg->bat.chg_ctrl_thr)) {
        ttw(ttr(TTrCharge, "k=%d < %d" NL, pwr_cfg->data.k, pwr_cfg->bat.chg_ctrl_thr));
        return TRUE;
    }

    ttw(ttr(TTrCharge, "pwr_chg_stop(%d)" NL, 0xFF));
    return FALSE;
}

int pwr_chg_ci_cv_transition(int Vbat) {
    // Check CI -> CV condition for charging
    // Only for Lithium batteries
    // Returns TRUE if CI-> CV transition should be made
    // Returns FALSE if CI-> CV transition should NOT be made

    ttw(ttr(TTrCharge, "pwr_chg_ci_cv_transition(%d)" NL, 0));

    // 1) Check CV charging start threshold
    if ((Vbat > pwr_cfg->bat.chg_start_thr)) {
        ttw(ttr(TTrCharge, "pwr_chg_ci_cv_transition(%d) Vbat=(%d)" NL, 0xFF, Vbat));
        return TRUE;
    }

    ttw(ttr(TTrCharge, "pwr_chg_ci_cv_transition(%d)" NL, 0xFF));
    return FALSE;
}

int pwr_capacity(uint16 Vbat) {
    // Calculate the capacity, C(T,V), of the battery based on
    // - Battery Voltage Measurement
    // - Battery Temperature Measurement
    // - Configuration Parameters
    // Returns a value in the interval 0..100 [%]
    uint8 i;
    uint8 cap;

    ttw(ttr(TTrEventLow,"pwr_capacity (Vbat=%d)" NL, Vbat));
    cap = 100; // 100%
    for (i=0;i<=9;i++) {
        if (Vbat < pwr_cfg->temp.cap[i] ) {
            cap -= 10; // Count down 10% for each index
            ttw(ttr(TTrEventLow,"Trying cap=%d" NL, cap));
        } else {
            // FIXME: Interpolate ... instead of truncate
            ttw(ttr(TTrEventLow,"capacity=%d" NL, cap));
            return cap;
        }
    }
    ttw(ttr(TTrEventLow,"pwr_capacity (%d)" NL, 0xFF));
    return 0; // Couldn't lookup capacity
}

int8 pwr_temp_lookup(uint16 ADC, uint8 i_meas) {
// temperature = f(ADC, I_meas)
// f(x) is table-lized using ETM command 'pww 4 ...'

    int i;
    int temp;

#define MAX_TEMP_SIZE 9

    i = 0;
    temp = -20;
    // FIXME: Always using the second current - should also use the first...
    while (ADC < pwr_cfg->temp.v2t_2[i] && i < MAX_TEMP_SIZE) {
        ttw(ttr(TTrEventLow,"ADC=%d < pwr_cfg->temp.v2t_2[%d]=0x%x" NL, ADC,i, pwr_cfg->temp.v2t_2[i]));
        ttw(ttr(TTrEventLow,"temp=%d" NL, temp));
        i++;
        temp += 10;
    }
    if (i == MAX_TEMP_SIZE) {
        // No temperature found - return NULL value (0xFF)
        ttr(TTrWarning, "Temperature lookup failed %d" NL, ADC);
        return 0xFF;
    }
    if (i != 0) {
        // Interpolate
        if (pwr_cfg->temp.v2t_2[i-1] == 0xFFFF)
            temp += 10*(ADC - pwr_cfg->temp.v2t_2[i])/(pwr_cfg->temp.v2t_2[i] - 1024);
        else
            temp += 10*(ADC - pwr_cfg->temp.v2t_2[i])/(pwr_cfg->temp.v2t_2[i] - pwr_cfg->temp.v2t_2[i-1]);
        ttw(ttr(TTrEventLow,"Interpolated temp=%d" NL, temp));
    }
    return ((int8)temp);
}


enum {
    Vbat = 0,
    Vchg = 1,
    Ichg = 2,
    Vbt2 = 3,
    Type = 4,
    Tbat = 5,
    T_rf = 6,
    Tc_x = 7,
    Tc_y = 8,
    State= 9
} adc_index_e;

// The driving element of the LCC task - the ADC measurements
T_RV_RET process_spi_adc_indication (T_PWR_REQ *request)
{
    struct pwr_adc_ind_s *ind;
    int error, i, index;
    int8 temp;
    UINT32 timer;
    UINT16 status; // Result of charger plug - unplug - polled

    ind = (struct pwr_adc_ind_s*)request;

    ttw(ttr(TTrEventLow,"State=%d" NL, ind->data[State]));

    // Basic trace - not for CAL
    switch (pwr_ctrl->state) {
    case PRE :
        ttw(ttr(TTrEventLow,"Vbat=%d" NL, ADC_to_mV(ind->data[Vbat])));
        ttw(ttr(TTrEventLow,"Vchg=%d" NL, ADC_to_mV(ind->data[Vchg])));
        ttw(ttr(TTrEventLow,"Ichg=%d" NL, ind->data[Ichg]));
        break;
    case INI :
    case SUP :
    case CCI :
    case LCI :
    case CCV :
    case LCV :
        ttw(ttr(TTrEventLow,"Vbat=%d" NL, ADC_to_mV(ind->data[Vbat])));
        ttw(ttr(TTrEventLow,"Vbat_adc=%d" NL, ind->data[Vbat]));
#if (USE_Q402_CHG_CIRCUIT == 1)
        // Vchg Scaling factor for Q402 circuit
        pwr_cfg->data.Vchg = 5*ADC_to_mV(ind->data[Vchg])/4;
        ttw(ttr(TTrEventLow,"Vchg=%d" NL, pwr_cfg->data.Vchg));
#else
        pwr_cfg->data.Vchg = ADC_to_mV(ind->data[Vchg]);
        ttw(ttr(TTrEventLow,"Vchg=%d" NL, pwr_cfg->data.Vchg));
#endif
        ttw(ttr(TTrEventLow,"Ichg=%d" NL, ind->data[Ichg]));
        ttw(ttr(TTrEventLow,"Type=%d" NL, ind->data[Type]));
        ttw(ttr(TTrEventLow,"Tbat=%d" NL, ind->data[Tbat]));
        ttw(ttr(TTrEventLow,"T_rf=%d" NL, ind->data[T_rf]));
        ttw(ttr(TTrEventLow,"Vbt2=%d" NL, ADC_to_mV(ind->data[Vbt2])));
        break;
    }

    // Updates variables in 'service' mode - not for CAL, PRE & INI
    switch (pwr_ctrl->state) {
    case SUP :
    case CCI :
    case LCI :
    case CCV :
    case LCV :
        index = pwr_ctrl->index % CONSECUTIVE_CHG_UNPLUGS;
        ttw(ttr(TTrEventLow,"Using index: (%d)" NL, index));
        pwr_ctrl->index++;
        // Get current nucleus time
        timer  = rvf_get_tick_count();

        // T0 timer expired?
        pwr_ctrl->time_elapsed_T0  = pwr_timer_elapsed(pwr_ctrl->time_begin_T0, timer);
        ttw(ttr(TTrTimerLow,"T0: %d ms elapsed " NL, pwr_ctrl->time_elapsed_T0));

        // Compare T0 with configured sampling rate
        if (pwr_ctrl->time_elapsed_T0 > pwr_cfg->common.sampling) {
            ttw(ttr(TTrTimer, "T0 Reset: elapsed (%d)" NL, pwr_ctrl->time_elapsed_T0));
            pwr_ctrl->time_begin_T0 = timer;
            ttr(TTrAll,"Vbat_avg=%d" NL, ADC_to_mV(pwr_cfg->data.Vbat_avg));

        }

        pwr_cfg->data.Vbat = ind->data[Vbat]; 
        pwr_cfg->data.Vbat_avg = (ind->data[Vbat] + pwr_cfg->common.alfa1 * pwr_cfg->data.Vbat_avg)/(pwr_cfg->common.alfa1 + 1);
        pwr_cfg->data.Vbat_avg_mV = ADC_to_mV(pwr_cfg->data.Vbat_avg);
        ttw(ttr(TTrEventLow,"Vbat_avg=%d" NL, pwr_cfg->data.Vbat_avg_mV));

        pwr_cfg->data.Tbat = ind->data[Tbat];
        pwr_cfg->data.Tbat_avg = (ind->data[Tbat] + pwr_cfg->common.alfa2 * pwr_cfg->data.Tbat_avg)/(pwr_cfg->common.alfa2 + 1);
        ttw(ttr(TTrEventLow,"Tbat_avg=%d" NL, pwr_cfg->data.Tbat_avg));
        temp = pwr_temp_lookup(pwr_cfg->data.Tbat_avg, 0x01);
        ttw(ttr(TTrEventLow,"temp=%d" NL, temp));

        pwr_cfg->data.T_rf_avg = ind->data[T_rf];
        pwr_cfg->data.T_rf_avg = (ind->data[T_rf] + pwr_cfg->common.alfa3 * pwr_cfg->data.T_rf_avg)/(pwr_cfg->common.alfa3 + 1);
        ttw(ttr(TTrEventLow,"T_rf_avg=%d" NL, pwr_cfg->data.T_rf_avg));

        pwr_cfg->data.Ichg = ind->data[Ichg];
        break;
    }

    // 'Main' switch
    ttw(ttr(TTrEventLow,"state=%d" NL, pwr_ctrl->state));
    switch (pwr_ctrl->state) {
    case CAL :
        // Read calibration files
        // Decide if SW precharge should be started (state PRE) or if a normal configuration scheme should be inititated (state INI)
        error = pwr_read_cal_files();
        if (error >= 0) {
            // Save measurements - also initial values for averaging
            pwr_cfg->data.Vbat_avg = pwr_cfg->data.Vbat = ind->data[Vbat];
            pwr_cfg->data.Vbat_avg_mV = ADC_to_mV(pwr_cfg->data.Vbat_avg);
            ttw(ttr(TTrEventLow,"Vbat=%d" NL, ADC_to_mV(ind->data[Vbat])));
            ttw(ttr(TTrEventLow,"Vchg=%d" NL, ADC_to_mV(ind->data[Vchg])));

            // Charger was already inserted?
            status = ind->data[State];

            if (status & CHGPRES) {
                // Charger plugged caused a wakeup
                pwr_ctrl->flag_chg_plugged = 1;
                pwr_ctrl->flag_chg_prev_plugged = 1;
                ttw(ttr(TTrInitLow,"Polled - charger plugged  (%d)" NL, status));
            }

            // Check Pre-charge - immediately change state to PRE
            if ((pwr_cfg->data.Vbat_avg_mV < VBAT_PRECHG_START) && (pwr_ctrl->flag_chg_plugged == 1)) {
                ttw(ttr(TTrInitLow,"precharge (%d)" NL, ADC_to_mV(ind->data[Vbat])));
                // Charger interrupts (plug/unplug) are already masked off - in case it was a linear charger
                pwr_ctrl->state = PRE;
            } else {
                pwr_ctrl->state = INI;
            }
        }
        break;
    case PRE :
        // Start fast charge immediately after 3.2V boot
        // Enter INI state - in order to read FFS configuration files - when Vbat reaches 3.6V

        // Hardcoding moving average to PRECHG_AVG_WINDOW_SIZE since we haven't read any configuration
        pwr_cfg->data.Vbat = ind->data[Vbat];
        pwr_cfg->data.Vbat_avg = (ind->data[Vbat] + PRECHG_AVG_WINDOW_SIZE  * pwr_cfg->data.Vbat_avg)/(PRECHG_AVG_WINDOW_SIZE + 1); 
        pwr_cfg->data.Vbat_avg_mV = ADC_to_mV(pwr_cfg->data.Vbat_avg);
        if (pwr_cfg->data.Vbat_avg_mV > VBAT_PRECHG_STOP) {
            ttw(ttr(TTrInitLow,"state PRE (%d > VBAT_PRECHG_STOP)" NL, pwr_cfg->data.Vbat_avg_mV));
            pwr_ctrl->state = INI;
            pwr_ctrl->flag_prechg_started = 0;
            stop_pre_charge();
        } else {
            ttw(ttr(TTrInitLow,"state PRE (%d < VBAT_PRECHG_STOP)" NL, pwr_cfg->data.Vbat_avg_mV));
            // Start fast charging NOW
            if (pwr_ctrl->flag_prechg_started == 0) {
                pwr_ctrl->flag_prechg_started = 1;
                start_pre_charge();
            }
        }
        break;
    case INI :
        // Charger was already inserted?
        status = ind->data[State];
        pwr_ctrl->chg_unplug_vec[index] = (status & CHGPRES);
        if (status & CHGPRES) {
            // Charger plugged caused a wakeup
            pwr_ctrl->flag_chg_plugged = 1;
            pwr_ctrl->flag_chg_prev_plugged = 1;
            ttw(ttr(TTrInitLow,"Polled - charger plugged  (%d)" NL, status));
        }

        if (pwr_ctrl->flag_ini_virgo == 0) {
            // Perform some very basic initialization

            /* Precharge (C/20) is switched OFF since it was finished in state PRE */
            ABB_Write_Register_on_page(PAGE0, BCICTL2, 0x0002);

            // Enable battery type identification
            // Switch on battery type identification (TYPEN)
            // NOTE: Battery type identification is ALWAYS done with 10uA (TYPEN)
            ttw(ttr(TTrInitLow,"Enable type ident (%d)" NL, 0x00));
            ABB_Write_Register_on_page(PAGE0, BCICTL1, THERMAL_SENSOR_30uA | TYPEN);
            pwr_ctrl->flag_ini_virgo = 1;

        }

        // Don't read battery files before we know which battery id to use
        // We will ignore the first BATTERY_TYPE_SLIP measurements of battery id
        if ((pwr_ctrl->count_bat_type == BATTERY_TYPE_SLIP))  {

            error = pwr_task_init();

            // Change state
            pwr_ctrl->state = SUP;

            // Readout /pwr/common.cfg
            ttw(ttr(TTrInitLow,"common.cfg: pins: %d" NL, pwr_cfg->common.pins));
            ttw(ttr(TTrInitLow,"chg_dedic %d" NL, pwr_cfg->common.chg_dedic));
            ttw(ttr(TTrInitLow,"sampling %d" NL, pwr_cfg->common.sampling));
            ttw(ttr(TTrInitLow,"mod_cycle %d" NL, pwr_cfg->common.mod_cycle));
            ttw(ttr(TTrInitLow,"alfa1 %d" NL, pwr_cfg->common.alfa1));
            ttw(ttr(TTrInitLow,"alfa2 %d" NL, pwr_cfg->common.alfa2));
            ttw(ttr(TTrInitLow,"alfa3 %d" NL, pwr_cfg->common.alfa3));
            ttw(ttr(TTrInitLow,"rise_thr %d" NL, pwr_cfg->common.rise_thr));

            // Readout /pwr/bat/bat.cfg
            ttw(ttr(TTrInitLow,"bat.cfg: type: %d" NL, pwr_cfg->bat.type));
            ttw(ttr(TTrInitLow,"rf_temp: %d" NL, pwr_cfg->bat.rf_temp));
            ttw(ttr(TTrInitLow,"id_low: %d" NL, pwr_cfg->bat.id_low));
            ttw(ttr(TTrInitLow,"id_high: %d" NL, pwr_cfg->bat.id_high));
            ttw(ttr(TTrInitLow,"cbat: %d" NL, pwr_cfg->bat.cbat));
            ttw(ttr(TTrInitLow,"ratio: %d" NL, pwr_cfg->bat.ratio));
            ttw(ttr(TTrInitLow,"T1: %d" NL, pwr_cfg->bat.T1));
            ttw(ttr(TTrInitLow,"T2: %d" NL, pwr_cfg->bat.T2));
            ttw(ttr(TTrInitLow,"T3: %d" NL, pwr_cfg->bat.T3));
            ttw(ttr(TTrInitLow,"chg_start_thr: %d" NL, pwr_cfg->bat.chg_start_thr));
            ttw(ttr(TTrInitLow,"chg_stop_thr: %d" NL, pwr_cfg->bat.chg_stop_thr));
            ttw(ttr(TTrInitLow,"chg_ctrl_thr: %d" NL, pwr_cfg->bat.chg_ctrl_thr));
            ttw(ttr(TTrInitLow,"chg_again_thr: %d" NL, pwr_cfg->bat.chg_again_thr));

            // Readout /pwr/bat/temp<N>.cfg
            ttw(ttr(TTrInitLow,"sizeof(temp): %d" NL, sizeof(pwr_cfg->temp)));
            ttw(ttr(TTrInitLow,"sizeof(T_PWR_BAT_TEMP_CFG_BLOCK): %d" NL, sizeof(T_PWR_BAT_TEMP_CFG_BLOCK)));
            ttw(ttr(TTrInitLow,"temp.cfg: tbat_min: %d" NL, pwr_cfg->temp.tbat_min));
            ttw(ttr(TTrInitLow,"tbat_max: %d" NL, pwr_cfg->temp.tbat_max));
            ttw(ttr(TTrInitLow,"i_meas1: %d" NL, pwr_cfg->temp.i_meas1));
            for (i=0;i<=8;i++) {
                ttw(ttr(TTrInitLow,"v2t_1[]: %d" NL, pwr_cfg->temp.v2t_1[i]));
            }
            ttw(ttr(TTrInitLow,"i_meas2: %d" NL, pwr_cfg->temp.i_meas2));
            for (i=0;i<=8;i++) {
                ttw(ttr(TTrInitLow,"v2t_2[]: %d" NL, pwr_cfg->temp.v2t_2[i]));
            }
            for (i=0;i<=9;i++) {
                ttw(ttr(TTrInitLow,"cap[]: %d" NL, pwr_cfg->temp.cap[i]));
            }
            ttw(ttr(TTrInitLow,"a0: %d" NL, pwr_cfg->temp.a0));
            ttw(ttr(TTrInitLow,"a1: %d" NL, pwr_cfg->temp.a1));
            ttw(ttr(TTrInitLow,"a2: %d" NL, pwr_cfg->temp.a2));

            // Readout /mmi/pwr/bsie.cfg
            ttw(ttr(TTrInitLow,"mmi repetition: %d" NL, pwr_cfg->mmi.repetition));

            // Initialize battery temperature - must not be made in the virgo part since Tbat=0
            pwr_cfg->data.Tbat_avg = ind->data[Tbat];

            // Setup thermal sensor - don't re-enable TYPEN
            if (pwr_cfg->temp.i_meas2 == 50) {
                ttw(ttr(TTrInitLow,"ABB set i_current: %d" NL, pwr_cfg->temp.i_meas2));
                ABB_Write_Register_on_page(PAGE0, BCICTL1, THERMAL_SENSOR_50uA);
            } else  if (pwr_cfg->temp.i_meas2 == 30) {
                ttw(ttr(TTrInitLow,"ABB set i_current: %d" NL, pwr_cfg->temp.i_meas2));
                ABB_Write_Register_on_page(PAGE0, BCICTL1, THERMAL_SENSOR_30uA);
            } else {
                // Default 30uA
                ttw(ttr(TTrInitLow,"ABB set i_current default: %d" NL, pwr_cfg->temp.i_meas2));
                ABB_Write_Register_on_page(PAGE0, BCICTL1, THERMAL_SENSOR_30uA);
            }

        } else {
            // Compare battery id with values found in FFS
            // First value(s) are NOT to be trusted
            pwr_ctrl->count_bat_type++;
            pwr_cfg->data.bat_id = ind->data[Type];

        }
        break;
    case SUP :
        // Charger inserted?? Poll!!
        // Reason: 100Hz interrupts will occur if an unregulated charger is inserted & charger interrupts are enabled
        //         This will cause an immediate crash!
        status = ind->data[State];
        pwr_ctrl->chg_unplug_vec[index] = (status & CHGPRES);
        if (status & CHGPRES) {
            // Charger is plugged - continue
            ttw(ttr(TTrEventLow,"Polled - chg plugged (%d)" NL, status));
            pwr_ctrl->flag_chg_plugged = 1;
            pwr_ctrl->capacity = pwr_capacity(pwr_cfg->data.Vbat_avg_mV);
        } else {
            pwr_ctrl->flag_chg_plugged = 0;
        }

        if (pwr_ctrl->flag_mmi_registered == 1)  {

            // If the charger is plugged and no charging is initiated this message will be repeated until charging has started
            // Charger plugged
            if ((pwr_ctrl->flag_chg_plugged == 1) &&  (pwr_ctrl->flag_chg_prev_plugged == 0)) {
                pwr_ctrl->flag_chg_prev_plugged = 1;
                pwr_ctrl->mmi_ptr->header.msg_id = MMI_CHG_PLUG_IND;
                mmi_send_msg(pwr_ctrl->mmi_ptr);
            }
            // Charger unplugged
            if ((pwr_ctrl->flag_chg_plugged == 0) && (pwr_ctrl->flag_chg_prev_plugged == 1)) {
                pwr_ctrl->flag_chg_prev_plugged = 0;
                pwr_ctrl->mmi_ptr->header.msg_id = MMI_CHG_UNPLUG_IND;
                mmi_send_msg(pwr_ctrl->mmi_ptr);
            }

            if (pwr_ctrl->flag_bat_unknown == 1) {
                // Battery unknown - inform the MMI
                pwr_ctrl->mmi_ptr->header.msg_id = MMI_BAT_UNKNOWN_IND;
                mmi_send_msg(pwr_ctrl->mmi_ptr);
                // Send only once
                pwr_ctrl->flag_bat_unknown = 0;
            }

        }
        pwr_check_timers();

        // If charger is plugged AND charger configuration is not read AND capacity is below configured limit - charger id Vchg(Load=0) must be measured
        if ((pwr_ctrl->flag_chg_plugged == 1) && 
            (pwr_ctrl->flag_chg_cfg_read == 0) && 
            (pwr_ctrl->capacity < pwr_cfg->bat.chg_again_thr)
           ) {

            // Measurement loop - Take the 2nd Vchg(0) measurements
            if (pwr_ctrl->count_chg_type == CHARGER_TYPE_SLIP)  {
                if (pwr_cfg->data.Vchg > CHARGER_TYPE_OUT_OF_BOUND_LOW)
                    pwr_cfg->data.chg_id = pwr_cfg->data.Vchg;
                else {
                    // Out of bound!!
                    ttr(TTrWarning, "Charger id out of bound! %d" NL, pwr_cfg->data.Vchg);
                    pwr_cfg->data.chg_id = CHARGER_TYPE_TYPICAL;
                }
                ttw(ttr(TTrEventLow,"Using chg id=%d" NL, pwr_cfg->data.chg_id));
                error = pwr_read_chg_files();
                pwr_ctrl->flag_chg_cfg_read = 1;

                // Initialize the circular buffer with charger plugs
                for (i=0;i<= CONSECUTIVE_CHG_UNPLUGS-1 ;i++)
                    pwr_ctrl->chg_unplug_vec[i] = CHGPRES;

                if (pwr_chg_start(pwr_temp_lookup(pwr_cfg->data.Tbat_avg, 0x01)) == TRUE ) {
                    if (pwr_cfg->chg.type == CI) {
                        pwr_ctrl->state = CCI;
                        // Enable charger plug/unplug interrupts for a CI charger
                        ABB_Write_Register_on_page(PAGE0, ITMASK, ALL_IT_UMSK);
                    } else {
                        if (pwr_cfg->chg.type == UNREGULATED)
                            pwr_ctrl->state = LCI;
                        else {
                            ttr(TTrWarning, "Unknown charger type! %d" NL, pwr_cfg->chg.type);
                            pwr_ctrl->state = LCI;
                        }
                    }
#if (USE_Q401_CHG_CIRCUIT == 1)
                    start_q401_charge();
#endif

#if (USE_Q402_CHG_CIRCUIT == 1)
                    start_q402_charge();
#endif

                    // Stop the mmi info repetition timer
                    pwr_stop_timer(&pwr_ctrl->time_begin_mmi_rep);
                }
            } else {
                pwr_ctrl->count_chg_type++;
                ttw(ttr(TTrEventLow,"count_chg_type=%d" NL, pwr_ctrl->count_chg_type));
            }
        }
        break;
    case CCI :
        pwr_check_timers();
        // We are in the middle of a CI charging process - check stop criterias
        //
        if ( pwr_chg_stop(pwr_temp_lookup(pwr_cfg->data.Tbat_avg, 0x01), pwr_cfg->data.Vbat_avg_mV) == FALSE) {
            // Continue to charge - change state?
            if ((pwr_cfg->bat.type == LITHIUM) && (pwr_chg_ci_cv_transition(pwr_cfg->data.Vbat_avg_mV)== TRUE)) {
                // Change state to CCV
                // Calculate k value
                // Start T2 timer
                // Start DC timer
                // Start T4 timer based on k value
                // Modulation ON
                pwr_ctrl->state = CCV;
                cv_charging_house_keeping();
            }
        } else {
            // Change state
            pwr_ctrl->state = SUP;
            end_charging_house_keeping();

        }
        break;
    case LCI :
        // Poll ABB for charger unplug - Linear - unregulated chargers ONLY
        status = ind->data[State];
        pwr_ctrl->chg_unplug_vec[index] = (status & CHGPRES);
        if (status & CHGPRES) {
            // Charger is still plugged - continue
            ttw(ttr(TTrEventLow,"Polled - chg plugged (%d)" NL, status));
        } else {
            if (check_chg_unplug() == 1) {
                // Charger is not plugged anymore - stop!!
                ttw(ttr(TTrEventLow,"Verdict - chg not plugged (%d)" NL, status));
                // Change state
                pwr_ctrl->state = SUP;
                charger_unplug_house_keeping(); 
                pwr_free(request);
                return;
            } else {
                // False alarm - don't set flags
                ttw(ttr(TTrEventLow,"Polled - chg not plugged - FALSE alarm? (%d)" NL, status));
#if (USE_Q401_CHG_CIRCUIT == 1)
                if ((ind->data[Ichg] == 0) && (pwr_cfg->data.Vchg > 0)) {
                    // Charging current has disappeared due to a fast unplug??? Bug in IOTA ABB?
                    pwr_ctrl->state = SUP;
                    charger_unplug_house_keeping(); 
                    pwr_free(request);
                    return;
                }
#endif
#if (USE_Q402_CHG_CIRCUIT == 1)
                // FIXME: Really no false alarm code for Q402??
#endif

            }
        }
        pwr_check_timers();
        // We are in the middle of a CI charging process - check stop criterias
        if ( pwr_chg_stop(pwr_temp_lookup(pwr_cfg->data.Tbat_avg, 0x01), pwr_cfg->data.Vbat_avg_mV) == FALSE) {
            // Continue to charge - change state?
            if ((pwr_cfg->bat.type == LITHIUM) && (pwr_chg_ci_cv_transition(pwr_cfg->data.Vbat_avg_mV)== TRUE)) {
                // Change state to LCV
                // Calculate k value
                // Start T2 timer
                // Start DC timer
                // Start T4 timer based on k value
                // Modulation ON
                pwr_ctrl->state = LCV;
                cv_charging_house_keeping();
            }
        } else {

            // Change state
            pwr_ctrl->state = SUP;
            end_charging_house_keeping();

        }
        break;
    case CCV :
        pwr_check_timers();
        // We are in the middle of a CV charging process - check stop criterias
        if (pwr_chg_stop(pwr_temp_lookup(pwr_cfg->data.Tbat_avg, 0x01), pwr_cfg->data.Vbat_avg_mV) == FALSE) {
           // EMPTY - waiting for T4 and DC timeouts OR T2 timeout
        } else {
            // Change state
            pwr_ctrl->state = SUP;
            end_charging_house_keeping();
        }
        break;
    case LCV :
        // Poll ABB for charger unplug - Linear - unregulated chargers ONLY
        status = ind->data[State];
        pwr_ctrl->chg_unplug_vec[index] = (status & CHGPRES);
        if (status & CHGPRES) {
            // Charger is still plugged - continue
            ttw(ttr(TTrEventLow,"Polled - chg plugged (%d)" NL, status));
        } else {
#if (USE_Q401_CHG_CIRCUIT == 1)
            // Charger is not plugged anymore - stop!!
            ttw(ttr(TTrEventLow,"Verdict - chg not plugged (%d)" NL, status));
            // Change state
            pwr_ctrl->state = SUP;
            charger_unplug_house_keeping(); 
            pwr_free(request);
            return;
#endif
#if (USE_Q402_CHG_CIRCUIT == 1)
            if (check_chg_unplug() == 1) {
                // Charger is not plugged anymore - stop!!
                ttw(ttr(TTrEventLow,"Verdict - chg not plugged (%d)" NL, status));
                // Change state
                pwr_ctrl->state = SUP;
                charger_unplug_house_keeping(); 
                pwr_free(request);
                return;
            }
#endif
        }
        pwr_check_timers();
        // We are in the middle of a CV charging process - check stop criterias
        if (pwr_chg_stop(pwr_temp_lookup(pwr_cfg->data.Tbat_avg, 0x01), pwr_cfg->data.Vbat_avg_mV) == FALSE) {
           // EMPTY - waiting for T4 and DC timeouts OR T2 timeout
        } else {
            // Change state
            pwr_ctrl->state = SUP;
            end_charging_house_keeping();
        }
        break;
    default :
        {
        // Exception Handling - Unknown State
        ttr(TTrFatal, "process_spi_adc_indication: Unknown State: %d" NL, pwr_ctrl->state);
        }
    }
    pwr_free(request);
    return RV_OK;
}

T_RV_RET process_abb_chg_unplugged_ind       (T_PWR_REQ *request)
{

    charger_unplug_house_keeping(); 
    // Disable charger interrupts - they where enabled when the CI charger was connected
    ABB_Write_Register_on_page(PAGE0, ITMASK, CHARGER_IT_MSK);

    // A charger can be unplugged in any state
    switch (pwr_ctrl->state) {
    case SUP :
    case CCI :
    case CCV :
        // Change state - T3 is running
        pwr_ctrl->state = SUP;
        break;
    default :
        {
        // Exception Handling - Unknown State
        ttr(TTrFatal, "process_abb_chg_unplugged_ind: Unknown State: %d" NL, pwr_ctrl->state);
        }
    }
    pwr_free(request);
    return RV_OK;
}

void pwr_send_msg(uint32 msg_id, T_RVF_ADDR_ID src_addr_id, T_RVF_ADDR_ID  dest_addr_id) {
    struct pwr_req_s *msg;

    if ((msg = pwr_malloc(sizeof(struct pwr_req_s))) == NULL) {
        return;
    }
    msg->header.msg_id        = msg_id;
    msg->header.src_addr_id   = src_addr_id;
    msg->header.dest_addr_id  = dest_addr_id;
    msg->header.callback_func = NULL;
    if (rvf_send_msg(dest_addr_id, msg) != RV_OK) {
        ttr(TTrFatal, "PWR FATAL: Send failed! %d" NL, 0xFF);
    }
}

void mmi_send_msg(struct mmi_info_ind_s *event) {
    ttw(ttr(TTrInit,"mmi_send_msg(%d)" NL, 0));
    if (pwr_ctrl->rpath.callback_func) {
        ttw(ttr(TTrInit,"Using callback (0x%x)" NL, pwr_ctrl->rpath.callback_func));
        (pwr_ctrl->rpath.callback_func) (event);
    } else {
        if (pwr_ctrl->rpath.addr_id) {
            // TESTME
            rvf_send_msg(pwr_ctrl->rpath.addr_id, event);
        } else {
            ttr(TTrFatal,"PWR FATAL: mmi_send_msg(%d) No return path" NL, 0xFF);
            return;
        }
    }
    ttw(ttr(TTrInit,"mmi_send_msg(%d)" NL, 0xFF));
}

void start_pre_charge(void) {
    ttw(ttr(TTrInitLow,"start_pre_charge" NL, 0x00));
#if (USE_Q401_CHG_CIRCUIT == 1)
    /* Program the DAC with the constant current value */
    // Value is hardcoded!! No configuration exist for state PRE
    ABB_Write_Register_on_page(PAGE0, CHGREG, ICHG_PRECHG); 

    /* Enable the charger  */
    ABB_Write_Register_on_page(PAGE0, BCICTL2, 0x0003);
#endif
#if (USE_Q402_CHG_CIRCUIT == 1)
    pwr_modulate_init();
#endif
    ttw(ttr(TTrInitLow,"start_pre_charge" NL, 0xFF));

}

void start_q401_charge(void) {

    ttw(ttr(TTrInitLow,"start_q401_charge" NL, 0x00));
    if (pwr_ctrl->flag_mmi_registered == 1) {
        pwr_ctrl->mmi_ptr->header.msg_id = MMI_CHG_START_IND;
        mmi_send_msg(pwr_ctrl->mmi_ptr);
    }

    /* Program the DAC with the constant current value taken from /pwr/chg/chg<N>.cfg */
    ABB_Write_Register_on_page(PAGE0, CHGREG, pwr_cfg->chg.ichg_max);

    /* Enable the CI charger  */
    ABB_Write_Register_on_page(PAGE0, BCICTL2, 0x0003);

    /* If not already started - start the overall charger timer T1 */
    if (pwr_ctrl->time_begin_T1 == 0) {
        pwr_start_timer(&pwr_ctrl->time_begin_T1);
        ttw(ttr(TTrTimerLow,"T1 started(%d)" NL, 0));
    }
    ttw(ttr(TTrInitLow,"start_q401_charge" NL, 0xFF));

}

void start_q402_charge(void) {

    ttw(ttr(TTrInitLow,"start_q402_charge(%d)" NL, 0x00));
    if (pwr_ctrl->flag_mmi_registered == 1) {
        pwr_ctrl->mmi_ptr->header.msg_id = MMI_CHG_START_IND;
        mmi_send_msg(pwr_ctrl->mmi_ptr);
    }

    // Needed if we want Ichg measurements - else they are disabled!!
    ABB_Write_Register_on_page(PAGE0, CHGREG, pwr_cfg->chg.ichg_max);
    ABB_Write_Register_on_page(PAGE0, BCICTL2, 0x0003);

    pwr_modulate_init();

    /* If not already started - start the overall charger timer T1 */
    if (pwr_ctrl->time_begin_T1 == 0) {
        pwr_start_timer(&pwr_ctrl->time_begin_T1);
        ttw(ttr(TTrTimerLow,"T1 started(%d)" NL, 0));
    }
    ttw(ttr(TTrInitLow,"start_q402_charge(%d)" NL, 0xFF));

}

void stop_q401_charge(void) {

    ttw(ttr(TTrInitLow,"stop_q401_charge(%d)" NL, 0x00));
    if (pwr_ctrl->flag_mmi_registered == 1) {
        pwr_ctrl->mmi_ptr->header.msg_id = MMI_CHG_STOP_IND;
        mmi_send_msg(pwr_ctrl->mmi_ptr);
    }
    ABB_Write_Register_on_page(PAGE0, BCICTL2, 0);
    ttw(ttr(TTrInitLow,"stop_q401_charge(%d)" NL, 0xFF));

}

void stop_q402_charge(void) {

    ttw(ttr(TTrInitLow,"stop_q402_charge(%d)" NL, 0x00));
    if (pwr_ctrl->flag_mmi_registered == 1) {
        pwr_ctrl->mmi_ptr->header.msg_id = MMI_CHG_STOP_IND;
        mmi_send_msg(pwr_ctrl->mmi_ptr);
    }
    ABB_Write_Register_on_page(PAGE0, BCICTL2, 0);

    pwr_modulate_off();
    ttw(ttr(TTrInitLow,"stop_q402_charge(%d)" NL, 0xFF));

}

void stop_pre_charge(void) {

    ABB_Write_Register_on_page(PAGE0, BCICTL2, 0);

}

int check_chg_unplug() {
    int i;

#if (USE_Q401_CHG_CIRCUIT == 1)
    // Check that the latest values of charger status confirm that we have a charger unplug
    // Search through the vector - charger is only assumed unplugged when ALL CONSECUTIVE_CHG_UNPLUGS elements are 0
    // Returns 1 (TRUE) if the charger is assumed unplugged
    // Returns 0 (FALSE) if the charger is assumed plugged
    // Assume that the charger unplug was true if the battery voltage is sufficiently high
    if (pwr_cfg->data.Vbat_avg_mV < VBAT_PRECHG_STOP) {
        for (i=0;i<= CONSECUTIVE_CHG_UNPLUGS-1 ;i++) {
            ttw(ttr(TTrTimerLow,"chg_unplug_vec(%d)" NL, pwr_ctrl->chg_unplug_vec[i]));
            if (pwr_ctrl->chg_unplug_vec[i] != 0)
                return 0;
        }
    }
    return 1;
#endif
#if (USE_Q402_CHG_CIRCUIT == 1)
    // Assume that the charger unplug was true if BOTH the charger voltage & charger current 
    // are below configurable Vchg & Ichg threshold values
    if ((pwr_cfg->data.Vchg < VCHG_Q402_THR) && (pwr_cfg->data.Ichg < ICHG_Q402_THR)) {
        ttw(ttr(TTrInitLow,"check_chg_unplug: Vchg=(%d)" NL, pwr_cfg->data.Vchg));
        ttw(ttr(TTrInitLow,"check_chg_unplug: Ichg=(%d)" NL, pwr_cfg->data.Ichg));
        return 1;
    }
    return 0;
#endif
}

void charger_unplug_house_keeping(void) {
    // Flag the charger unplug
    pwr_ctrl->flag_chg_plugged = 0;
    pwr_ctrl->flag_chg_prev_plugged = 0;

    // Read charger configuration next time charger is inserted
    pwr_ctrl->flag_chg_cfg_read = 0;

    // We must have more charger id measurements if the charger is re-connected
    pwr_ctrl->count_chg_type = 0;

    if (pwr_ctrl->flag_mmi_registered == 1) {
        // Send charger unplug to the MMI
        pwr_ctrl->mmi_ptr->header.msg_id = MMI_CHG_UNPLUG_IND;
        mmi_send_msg(pwr_ctrl->mmi_ptr);

        // Re-start the mmi info repetition timer
        pwr_start_timer(&pwr_ctrl->time_begin_mmi_rep);
    }

    // if T1 or T2 is running (which mean we have NOT had a normal charging stop)
    if ((pwr_ctrl->time_begin_T1 != 0) || (pwr_ctrl->time_begin_T2 != 0)) {
        // Start T3 timer if not already started
        if (pwr_ctrl->time_begin_T3 == 0) {
            pwr_start_timer(&pwr_ctrl->time_begin_T3);
            ttw(ttr(TTrTimerLow,"T3 started(%d)" NL, 0));
        }
        // Switch of charging circuit

#if (USE_Q401_CHG_CIRCUIT == 1)
        stop_q401_charge();
#endif
#if (USE_Q402_CHG_CIRCUIT == 1)
        stop_q402_charge();
#endif
    }
}

void cv_charging_house_keeping(void) {
    // Calculate k value
    // Start DC timer
    // Start T4 timer based on k value
    // Modulation ON
    ttw(ttr(TTrTimerLow,"Vbat_avg, chg_start_thr, chg_stop_thr (%d), (%d), (%d)" NL, pwr_cfg->data.Vbat_avg_mV, pwr_cfg->bat.chg_start_thr, pwr_cfg->bat.chg_stop_thr));
    if ((pwr_cfg->data.Vbat_avg_mV - pwr_cfg->bat.chg_start_thr) <= 0) {
        // Assign k to max value if Vbat_avg value is below start value
        pwr_cfg->data.k = PWR_MAX_K;
    } else {
        pwr_cfg->data.k = (255 * (pwr_cfg->bat.chg_stop_thr - pwr_cfg->data.Vbat_avg_mV) / (pwr_cfg->bat.chg_stop_thr - pwr_cfg->bat.chg_start_thr));
        if (pwr_cfg->data.k <= PWR_MIN_K)
           pwr_cfg->data.k = PWR_MIN_K;
    }
    pwr_start_timer(&pwr_ctrl->time_begin_T2);
    ttw(ttr(TTrTimerLow,"T2 started(%d)" NL, 0));

    ttw(ttr(TTrTimerLow, "k=%d" NL, pwr_cfg->data.k));
    pwr_cfg->data.T4 = pwr_cfg->data.k * pwr_cfg->common.mod_cycle/255;
    ttw(ttr(TTrTimerLow,"T4 timer (%d)" NL, pwr_cfg->data.T4));

    ttw(ttr(TTrTimerLow,"DC started(%d)" NL, 0));
    pwr_start_timer(&pwr_ctrl->time_begin_mod_cycle);

    ttw(ttr(TTrTimerLow,"T4 started(%d)" NL, 0));
    pwr_start_timer(&pwr_ctrl->time_begin_T4);

    pwr_modulate_on();
}

void end_charging_house_keeping(void) {
    // Stop & reset timers
    pwr_stop_timers();

    // Stop charging
#if (USE_Q401_CHG_CIRCUIT == 1)
    stop_q401_charge();
#endif
#if (USE_Q402_CHG_CIRCUIT == 1)
    stop_q402_charge();
#endif

    // Start the mmi info repetition timer
    if (pwr_ctrl->flag_mmi_registered == 1)
        pwr_start_timer(&pwr_ctrl->time_begin_mmi_rep);

    // Read charger configuration next time charger is inserted
    pwr_ctrl->flag_chg_cfg_read = 0;
}

#if (TEST_PWR_MMI_INTERFACE == 1)
// Callback function used for testing MMI reporting
static void mmi_test_cb_function(void *ptr) {
T_PWR_MMI_INFO_IND_EVENT *event;


    event = (T_PWR_MMI_INFO_IND_EVENT *)ptr;

    ttw(ttr(TTrInit, "mmi_test_cb_function (%d)" NL, 0));
    ttw(ttr(TTrInit, "MMI event: (%d)" NL, event->header.msg_id));
    ttw(ttr(TTrInit, "mmi_test_cb_function (%d)" NL, 0xFF));
}
#endif