FreeCalypso > hg > fc-magnetite
view src/cs/drivers/drv_app/pwr/pwr_disch.c @ 251:6c594ce434f8
doc/Compiling: update for the FCDEV3B and for fc-host-tools-r5
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Thu, 03 Aug 2017 05:20:46 +0000 |
parents | c93a236e0d50 |
children |
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/******************************************************************************* * * pwr_disch.c * * Purpose: This file contains functions for battery discharge management. * * (C) Texas Instruments 2001 * ******************************************************************************/ #include "rv/rv_defined_swe.h" // for RVM_PWR_SWE #ifdef RVM_PWR_SWE #include "abb/abb.h" #include "rvm/rvm_use_id_list.h" #include "pwr/pwr_disch.h" #include "power/power.h" #include "spi/spi_task.h" #include "pwr/pwr_cust.h" #include "pwr/pwr_messages.h" #include "spi/spi_env.h" #include "pwr/pwr_env.h" /* Define a pointer to the PWR Environment control block. */ extern T_PWR_ENV_CTRL_BLK *pwr_env_ctrl_blk; /******************************************************************************* ** Function pwr_discharge_timer_process ** ** Description ** *******************************************************************************/ void pwr_discharge_timer_process(void) { rvf_send_trace("TIMER3", 6, NULL_PARAM, RV_TRACE_LEVEL_DEBUG_LOW, PWR_USE_ID); if (SPI_GBL_INFO_PTR->is_gsm_on == TRUE) { pwr_handle_discharge(); /* battery discharge management */ } } /******************************************************************************* ** Function pwr_handle_discharge ** ** Description Compares the battery voltage with some thresholds and, if a ** threshold is passed, sends event(s) to the upper layer. ** Re-start the timer with a value depending on the discharge ** level. ** *******************************************************************************/ void pwr_handle_discharge(void) { UINT16 timer_value; UINT16 status; UINT16 bat_madc_voltage, bat_voltage; static T_PWR_PERCENT remain_capacity = 100; /* since this variable is declared as static */ /* it will keep its value from one function call to the other */ T_PWR_PERCENT current_capacity; if (SPI_GBL_INFO_PTR->is_adc_on == FALSE) { /* Start VBAT channel conversion by writing in the result register */ ABB_Write_Register_on_page(PAGE0, VBATREG, 0x0000); rvf_delay(RVF_MS_TO_TICKS(5)); bat_madc_voltage = ABB_Read_Register_on_page(PAGE0, VBATREG); rvf_send_trace("battery voltage (MADC code) ", 28, bat_madc_voltage, RV_TRACE_LEVEL_DEBUG_LOW, PWR_USE_ID); } else /* The L1 asks for ADC conversions */ { #ifndef _WINDOWS bat_madc_voltage = SPI_GBL_INFO_PTR->adc_result[0]; #else bat_madc_voltage = ABB_Read_Register_on_page(PAGE0, VBATREG); #endif } /* Find the remaining capacity in the battery corresponding to this new voltage */ bat_voltage = pwr_adc_to_mvolt(bat_madc_voltage); rvf_send_trace("battery voltage (mV) ", 21, bat_voltage, RV_TRACE_LEVEL_DEBUG_LOW, PWR_USE_ID); current_capacity = pwr_get_capacity_vs_voltage(bat_voltage); rvf_send_trace("current capacity (%) ", 21, current_capacity, RV_TRACE_LEVEL_DEBUG_LOW, PWR_USE_ID); status = ABB_Read_Status(); /* Determine if a threshold has been passed */ if (current_capacity != remain_capacity) { /* a new threshold has been passed */ remain_capacity = current_capacity; /* informs the upper layer */ pwr_send_bat_discharge_event(remain_capacity); if (status & CHGPRES) /* charger plugged */ { if (remain_capacity == CHARGE_START_AGAIN_CAPACITY) { PWR_Charger_Plug(); } } else /* charger not plugged */ { if(remain_capacity <= pwr_env_ctrl_blk->power_alert.remain_capa_threshold) { /* informs the upper layer that the battery is low */ pwr_send_low_bat_event(remain_capacity); timer_value = SPI_TIMER3_INTERVAL_BIS; /* 10 s */ } else { #ifndef _WINDOWS timer_value = SPI_TIMER3_INTERVAL; /* 1 minute */ #else timer_value = SPI_TIMER3_INTERVAL_BIS; /* 10 s */ #endif } /* Start timer with a value depending on the remaining capacity in the battery */ rvf_start_timer (SPI_TIMER3, RVF_MS_TO_TICKS (timer_value), FALSE); } } else /* the capacity has not changed */ { #ifndef _WINDOWS timer_value = SPI_TIMER3_INTERVAL; /* 1 minute */ #else timer_value = SPI_TIMER3_INTERVAL_BIS; /* 10 s */ #endif /* Start timer with a value depending on the remaining capacity in the battery */ rvf_start_timer (SPI_TIMER3, RVF_MS_TO_TICKS (timer_value), FALSE); } } #endif /* #ifdef RVM_PWR_SWE */