/*
 * In this module we are going to implement FCBM functions
 * related specifically to charging mode, as opposed to other
 * special boot modes.
 */

#include "rv/rv_general.h"
#include "rvf/rvf_api.h"
#include "rvm/rvm_use_id_list.h"
#include "fcbm/fcbm_func_i.h"
#include "fcbm/fcbm_life_cycle.h"
#include "fcbm/fcbm_timer_i.h"
#include "fchg/fchg_api.h"
#include "r2d/r2d.h"
#include "r2d/r2d_blrr_api.h"
#include "abb/abb.h"
#include <stdio.h>

#ifdef LSCREEN
char fcbm_prod_banner_string[] = "FreeCalypso Handset";
#else
char fcbm_prod_banner_string[] = "FreeCalypso Lite";
#endif

static char *fchg_states[] = {
	"No charge power",
	"CHG start delay",
	"Ready to charge",
	"Charge complete",
	"I2V cal phase 1",
	"I2V cal phase 2",
	"CI charging",
	"CV charging",
	"Time exceeded",
	"No charging"
};

void fcbm_process_msg_chg_mode(void)
{
	if (fcbm_life_cycle_state != FCBM_STATE_INACTIVE) {
		rvf_send_trace("FCBM got charging mode request in wrong state",
				45, fcbm_life_cycle_state,
				RV_TRACE_LEVEL_ERROR, FCBM_USE_ID);
		return;
	}
	rvf_send_trace("Entering charging boot mode", 27, NULL_PARAM,
			RV_TRACE_LEVEL_DEBUG_HIGH, FCBM_USE_ID);
	fcbm_subscribe_kpd();
	fcbm_setup_long_pwon();
	fcbm_display_init();
	fcbm_display_line(0, fcbm_prod_banner_string);
	fcbm_display_line(1, "Charge boot mode");
	r2d_flush();
	blrr_display_ctrl(BLRR_DISPLAY_CHG_BOOT);
	rvf_start_timer(FCBM_TIMER_DSPL_OFF,
			RVF_SECS_TO_TICKS(FCBM_DISPLAY_SECS), FALSE);
	rvf_start_timer(FCBM_TIMER_CHG_UPD,
			RVF_MS_TO_TICKS(FCBM_CHG_UPD_INTERVAL), TRUE);
	fcbm_life_cycle_state = FCBM_STATE_ACTIVE;
}

static void charging_info_update(void)
{
	struct fchg_user_state state;
	char str[20];

	fchg_get_current_state(&state);
	fcbm_display_line(3, fchg_states[state.chg_state]);
	sprintf(str, "Vbat=%u mV", state.batt_mv);
	fcbm_display_line(5, str);
	sprintf(str, "Ichg=%u mA", fchg_convert_ichg_to_mA(state.ichg));
	fcbm_display_line(6, str);
	sprintf(str, "(%u ADC units)", state.ichg);
	fcbm_display_line(7, str);
	r2d_flush();
}

static void power_off_check(void)
{
	SYS_UWORD16 abb_status;

	abb_status = ABB_Read_Status();
	if (abb_status & CHGPRES)
		return;
	rvf_send_trace("Charger unplug, powering off", 28, NULL_PARAM,
			RV_TRACE_LEVEL_DEBUG_HIGH, FCBM_USE_ID);
	fcbm_display_line(3, "Charger unplug");
	r2d_flush();
	blrr_display_ctrl(BLRR_DISPLAY_CHG_BOOT);
	rvf_delay(RVF_MS_TO_TICKS(1500));
	ABB_Power_Off();
}

void fcbm_chg_periodic_timer(void)
{
	if (fcbm_life_cycle_state != FCBM_STATE_ACTIVE) {
		rvf_send_trace("Charging mode periodic timer in wrong state",
				43, fcbm_life_cycle_state,
				RV_TRACE_LEVEL_WARNING, FCBM_USE_ID);
		return;
	}
	power_off_check();
	charging_info_update();
}