182 lines
3.4 KiB
C
182 lines
3.4 KiB
C
/*
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* Battery.c
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*
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* Created on: Jun 10, 2022
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* Author: Keith.Lloyd
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*/
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#include "arm_math.h"
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#include "utils.h"
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#include "battery.h"
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#include "adc.h"
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#include "main.h"
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#include "timer.h"
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#include "lcd.h"
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#include "display.h"
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#include "safety_key.h"
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#include "amps.h"
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#include "ports.h"
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#include "hwFixes.h"
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uint8_t Bat_Type;
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extern uint8_t Task, Error;
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extern ADC_t adc;
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extern float32_t Max_Power_Limit;
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extern uint16_t Low_Bat_timer;
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extern uint16_t battery;
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//uint16_t Bat_Level[] = {100,200,300,400,500,125,225,325,425,525}; // Battery life levels 5 Alkaline and 5 Lithium.
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extern HARDWARE_FIX_t hwf;
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bool Compare_With_Limit(float32_t V1 ,float32_t V2,float32_t limit)
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{
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float32_t tolerance;
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bool result;
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result = false;
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tolerance = limit / 100.0;
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tolerance = tolerance + 1.0;
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tolerance = tolerance * V2;
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if(V1 < tolerance)
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result = true;
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tolerance = limit /100.0;
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tolerance = 1.0 - tolerance;
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tolerance = tolerance * V2;
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if(V1 > tolerance)
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result = true;
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return(result);
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}
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void Check_Bat_Id(void)
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{
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float32_t Battery;
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float32_t Bat_Mid_Point;
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if(adc.V_BID > LITHIUM_MID_POINT) // BAT_ID = 0V for lithium, mid point for Alkaline
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{
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if(Compare_With_Limit(adc.V_BID,adc.V_BAT,5.0))
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{
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Bat_Type = EXT_DC;
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Max_Power_Limit = 10.0; // Limit max power to 5W.
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}
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else
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{
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Bat_Type = ALKALINE;
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Max_Power_Limit = 5.0; // Limit max power to 5W.
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Battery = adc.V_BAT; // Calculate mid-point for alkaline
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Bat_Mid_Point = Battery / 2;
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if ((adc.V_BID > (Bat_Mid_Point * 1.1)) || (adc.V_BID < (Bat_Mid_Point * 0.9)) ) // Check if not at mid-point
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Bat_Type = BAT_ERROR; // indicate battery insertion error
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}
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}
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else
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{
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Bat_Type = LITHIUM;
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Max_Power_Limit = 10.0; // Limit max power to 5W. 1.7 = 10.0 1.7X = 25.0
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}
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if(Bat_Type == BAT_ERROR)
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{
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LCD_Clear();
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Task=BAT_INSERTION_ERROR;
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while(1)
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{
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safe_key();
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Display_Update();
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Delay_Ticks(10);
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}
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}
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}
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void Chk_Bat_Level(void)
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{
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if(Bat_Type == LITHIUM)
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{
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if(hwf.vBattCap_021)
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Test_Bat_Level(CF_LITHIUM_CUT_OFF);
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else
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Test_Bat_Level(LITHIUM_CUT_OFF);
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}
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else
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{
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if(hwf.vBattCap_021)
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Test_Bat_Level(CF_ALKALINE_CUT_OFF);
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else
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Test_Bat_Level(ALKALINE_CUT_OFF);
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}
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}
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void Test_Bat_Level(float32_t Bat_Cut_Off)
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{
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if(adc.V_BAT < Bat_Cut_Off && Task != LOW_BATTERY_TASK)
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{
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if(Task != PWR_OFF_TASK)
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{
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All_Amps_Off();
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Disable_BC(); //Disable BC
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Select_Estop(ON);
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Delay_Ticks(25); //wait for battery voltage to rise
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// if(adc.V_BAT <= Bat_Cut_Off)
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// {
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Task = LOW_BATTERY_TASK;
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Low_Bat_timer = DELAY_2S;
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// }
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// else
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// {
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// Task = FATAL_ERROR_TASK;
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// Error = 2;
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// }
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}
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}
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}
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float32_t Adjust_Battery_For_Load() // adjust to true battery voltage due to battery cable
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//drop and current demand
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{ // assumed frequency and efficiency may need table for frequency adjust
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float32_t battery; //assumes taps are correct
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battery = adc.V_BAT;
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if(Bat_Type == LITHIUM)
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{
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if(adc.I_OUT_SlowFilt < DEMAND1)
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battery = battery + 1.1;
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else if(adc.I_OUT_SlowFilt < DEMAND2)
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battery = battery + 1.2;
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else if(adc.I_OUT_SlowFilt < DEMAND3)
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battery = battery + 1.3;
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else if(adc.I_OUT_SlowFilt < DEMAND4)
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battery = battery + 1.4;
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else if(adc.I_OUT_SlowFilt < DEMAND5)
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battery = battery + 1.5;
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else if(adc.I_OUT_SlowFilt < DEMAND6)
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battery = battery + 1.6;
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else
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battery = battery + 2;
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return(battery);
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}
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else
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{
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}
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}
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