CPPWM MCPT Solar Powered Lead-Acid Battery Charger

///////////// Header Files ////////////////
#include <SPI.h>
#include "epd1in54.h"
#include "epdif.h"
#include "epdpaint.h"
#include <RTC.h>
#include <DeviceControlXMC.h>
#include "epdpaint.h"

//////////// Class /////////////
XMCClass xmc2go;
RTCClass rtc;


//////////// Variables /////////

int COLORED  = 0; // White in Black
int UNCOLORED = 1;  // Black in White
int pos = 20;
uint32_t sleep = 1; 
uint32_t temperature = 0;
int pwm = 200;
size_t  free_memory;  
unsigned char image[8196];   

/////////// Enum ///////////////
// width must be multiple of 8//
Paint paint(image, 0, 0);     
Epd epd;   


//////// I/O pin mapping ////////

#define ADC_PB A1 // 5 push buttons on adc1
#define ADC_SL A0 // voltage and current sense on adc0
#define PWM_GD 8  // pwm gate drive
#define SEL_VS 11 // relay coil trigger to switch voltage sensing
#define SEL_CS 10 // relay coil trigger to switch current sensing



                  
//////////////////////////////////////////////////////

void setup() 
{
    flush_epd();  
    initIO();
///// Init Full Display Update ///////////
  if (epd.Init(lut_full_update) != 0) 
  {return;}  
///// Init Partial Display Update ////////
  if (epd.Init(lut_partial_update) != 0) 
  {return;}
////////// Clears Up Full Disp ///////////
// bit set = white, bit reset = black
  epd.ClearFrameMemory(0xFF);   
  epd.DisplayFrame();
  epd.ClearFrameMemory(0xFF);   
  epd.DisplayFrame();

  rtc.begin();
  xmc2go.configureSleepMode(DEEP_SLEEP_MODE,USIC_OFF ,LEDT_OFF,CCU_OFF,WDT_OFF,FLASH_OFF); 
  // active 7.62mA sleep 1.80mA
  // FLASH_ON takes extra 0.55mA
 

  rtc.setTime(0, 0, 0); // hrs, min, sec
  rtc.setDate(0, 0, 0); // day, mon, yrs
  
  rtc.setAlarmTime(0, 0, 1); // 1 sec alarm wakes from sleep
  rtc.enableAlarm(rtc.ALARM);
  rtc.attachInterrupt(alarmMatch);


}////////////////// Void Setup Ends//////////////

/////////////////////////////////////////////////
/////////////////////////////////////////////////
void loop() 
{
  int adc0 = analogRead(A0);
  int adc1 = analogRead(A1);
  char VAL[4];
  free_memory = xmc2go.freeRAM_Heap();
  temperature = xmc2go.getTemperature();

  // Set Active Area on Disp with Orientation and Color //
  // more RAM allows more disp area to be used at once
   paint.SetWidth(200);
  paint.SetHeight(200);
  paint.SetRotate(ROTATE_270);
  paint.Clear(UNCOLORED);

    
   if(/*pwm<=250 && `*/ adc1>150 && adc1<190)
     { 
      //pwm=pwm+5;
      //analogWrite(PWM_GD,pwm);
      digitalWrite(8,HIGH);
     }

        if(/*pwm>=5 && */ adc1>300 && adc1<340)
     { 
     // pwm=pwm-5;
     // analogWrite(PWM_GD,pwm);
      digitalWrite(8,LOW);
     }
     
   if(adc1>490 && adc1<530)
     { 
      digitalWrite(10,HIGH);
      delay(150);
      digitalWrite(10,LOW);
     }

     if(adc1>680 && adc1<720)
     { 
      digitalWrite(11,HIGH);
      delay(150);
      digitalWrite(11,LOW);
     }
   
     



       
  paint.DrawStringAt(10,20, "ADC0", &Font24, COLORED);
  paint.DrawStringAt(10,50, "ADC1", &Font24, COLORED);
  paint.DrawStringAt(10,80, "PWM0", &Font24, COLORED);
 // paint.DrawStringAt(10,110, "SCNT", &Font24, COLORED);
 // paint.DrawStringAt(10,140, "FRAM", &Font24, COLORED);
  paint.DrawStringAt(10,170, "TIME", &Font24, COLORED);

  paint.DrawStringAt(100,20, itoa(adc0,VAL,10), &Font24, COLORED);
  paint.DrawStringAt(100,50, itoa(adc1,VAL,10), &Font24, COLORED);
  paint.DrawStringAt(100,80, itoa(pwm,VAL,10), &Font24, COLORED);
 // paint.DrawStringAt(100,110, itoa(sleep,VAL,10), &Font24, COLORED);
 // paint.DrawStringAt(100,140, itoa(free_memory,VAL,10), &Font24, COLORED);
  paint.DrawStringAt(100,170, itoa(millis()/1000,VAL,10), &Font24, COLORED);
      
////////////////////////////////////////////////////////////////////////////////
   epd.SetFrameMemory(paint.GetImage(), 0, 0, paint.GetWidth(), paint.GetHeight());
   epd.DisplayFrame();
/////////////////////////////////////////////////////

 // xmc2go.enterSleepMode(); // goes to sleep mode
 // sleep++;

} ////////////////////// loop ends here /////////////


//////////////////////////////////////////////////// 
////////////////////////////////////////////////////
///////////////// Functions ////////////////////////////
// clean up dark spots on epaper display
void flush_epd (void)
{
  if (epd.Init(lut_full_update) != 0) 
  {return;}
  epd.ClearFrameMemory(0xFF);   
  epd.DisplayFrame();
  epd.ClearFrameMemory(0xFF);   
  epd.DisplayFrame();
  
}

// alarm ISR

void alarmMatch()
{
    xmc2go.enterActiveMode();
    rtc.setTime(0, 0, 0); // hrs, min, sec

}

void initIO(void)
{
  pinMode(10,OUTPUT);
  pinMode(11,OUTPUT);
  pinMode(8,OUTPUT);
  digitalWrite(8,LOW);
  digitalWrite(10,LOW);
  digitalWrite(11,LOW);
  
  
}