#include "lcdDrv.h"
//This code demostrates how to write characters on the LCD of PICDEM LCD board. 


//Below is the mapping between segments on the LCD and registers in the microcontroller
/////////////////////////////////////////////////////////////////////////////////////////
//                                 LCD Configuration                                   //
/////////////////////////////////////////////////////////////////////////////////////////
// Digit segments   A           B         C         D         E         F         G         H        I          J            K        L          M          N        DP            CA
//                   b7       b6       b5       b4       b3       b2       b1       b0

 
#define DIGIT1  COM0+29,  COM1+29,  COM2+29,  COM2+30,  COM3+30,  COM3+29,  COM3+28,  COM0+31, COM0+28,   COM1+28,   COM2+28,   COM3+31,    COM2+31,  COM1+31,   COM1+30,     COM0+30
#define DIGIT2  COM0+25,  COM1+25,  COM2+25,  COM2+26,  COM3+26,  COM3+25,  COM3+24,  COM0+27, COM0+24,   COM1+24,   COM2+24,   COM3+27,    COM2+27,  COM1+27,   COM1+26,     COM0+26
#define DIGIT3  COM0+21,  COM1+21,  COM2+21,  COM2+22,  COM3+22,  COM3+21,  COM3+20,  COM0+23, COM0+20,   COM1+20,   COM2+20,   COM3+23,    COM2+23,  COM1+23,   COM1+22,     COM0+22
#define DIGIT4  COM0+17,  COM1+17,  COM2+17,  COM2+18,  COM3+18,  COM3+17,  COM3+16,  COM0+19, COM0+16,   COM1+16,   COM2+16,   COM3+19,    COM2+19,  COM1+19,   COM1+18,     COM0+18
#define DIGIT5  COM0+13,  COM1+13,  COM2+13,  COM2+14,  COM3+14,  COM3+13,  COM3+12,  COM0+15, COM0+12,   COM1+12,   COM2+12,   COM3+15,    COM2+15,  COM1+15,   COM1+14,     COM0+14
#define DIGIT6  COM0+9,   COM1+9,   COM2+9,   COM2+10,  COM3+10,  COM3+9,   COM3+8,   COM0+11, COM0+8,    COM1+8,    COM2+8,    COM3+11,    COM2+11,  COM1+11,   COM1+10,     COM0+10
#define DIGIT7  COM0+5,   COM1+5,   COM2+5,   COM2+6,   COM3+6,   COM3+5,   COM3+4,   COM0+7,  COM0+4,    COM1+4,    COM2+4,    COM3+7,     COM2+7,   COM1+7,    COM1+6,      COM0+6
#define DIGIT8  COM0+1,   COM1+1,   COM2+1,   COM2+2,   COM3+2,   COM3+1,   COM3,     COM0+3,  COM0,      COM1,      COM2,      COM3+3,     COM2+3,   COM1+3,    COM1+2,      COM0+2
/////////////////////////////////////////////////////////////////////////////////////////

//counter for the FOR loop
int16 x;

//         character             0    1      2      3     4      5       6     7       8     9
long const Digit_Map[10] = {0xFC00,0x6040,0xDA20,0xF220,0x6620,0xB620,0xBE20,0xE000,0xFE20,0xE620};


void main() {
   //Initialization code from CCS compiler.   
   setup_adc_ports(NO_ANALOGS|VSS_VDD);
   setup_adc(ADC_OFF|ADC_TAD_MUL_0);
   setup_spi(SPI_SS_DISABLED);
   setup_lcd(LCD_DISABLED);
   setup_wdt(WDT_OFF);
   setup_timer_0(RTCC_INTERNAL);
   setup_timer_1(T1_DISABLED);
   setup_timer_2(T2_DISABLED,0,1);
   setup_comparator(NC_NC_NC_NC);
   setup_vref(FALSE);

   //initialize the lcd. First parameter indicates that we will use all 4 COMS.
   setup_lcd(LCD_MUX14,2);

   lcd_symbol(Digit_Map[0],DIGIT1);	//write '0' on digit 1
   lcd_symbol(Digit_Map[1],DIGIT2);	//write '1' on digit 2
   lcd_symbol(Digit_Map[2],DIGIT3);	//write '2' on digit 3
   lcd_symbol(0x154,DIGIT4);		//write 'X' on digit 4
   delay_ms(2000);


   //On every digit, cycle each segment from A to I one by one
   for(x=0x8000;x>=1;x/=2){
      lcd_symbol(x,DIGIT8);
      lcd_symbol(x,DIGIT7);
      lcd_symbol(x,DIGIT6);
      lcd_symbol(x,DIGIT5);
      lcd_symbol(x,DIGIT5);
      lcd_symbol(x,DIGIT4);
      lcd_symbol(x,DIGIT3);
      lcd_symbol(x,DIGIT2);
      lcd_symbol(x,DIGIT1);
      delay_ms(500);
   }
}