ledgraphics.c

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//#define LCDG_C

#include <avr/io.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include "types.h"
#include "lcdgraphics.h"
#include "main.h"
#include "timer0.h"
//#include "BCD.h"
//#include "avrfat16.h"                 // Included for long filename / ID3 stuff.
        
extern uint8 gCurrentSongNum; 
extern uint8 gMode;

void LEDMatrix_timer(void)
{
    char rowtemp;
    char coltemp;

    if ((gMode == MODE_PLAY) && (gCurrentSongNum > 0) ){                                        
       
        rowtemp = LEDMATRIXROWPORT  & ~LEDROWMASK ;              // save status of port 
        coltemp = LEDMATRIXCOLPORT  & ~LEDCOLMASK ;              // save status of port 

        LEDMATRIXCOLPORT = ( ~( (1<<((gCurrentSongNum-1) / LEDMATRIXROWS) ) & LEDCOLMASK ) | coltemp); // clear columns that are active
        LEDMATRIXROWPORT = (     1<<((gCurrentSongNum-1) % LEDMATRIXROWS) ) | rowtemp;

    }else{
        LEDMATRIXCOLPORT |= (1<<(LEDMATRIXCOLS-1))-1;         // disable all columns
        LEDMATRIXROWPORT &= ~((1<<(LEDMATRIXROWS-1))-1);      // disable all rows
    }
}


void LCD_Initialize(void)
{
    LEDMATRIXCOLPORT |= LEDCOLMASK ;         // disable all columns
    LEDMATRIXROWPORT &= ~LEDROWMASK;         // disable all rows
    LEDMATRIXCOLDDR  |= LEDCOLMASK ;         // set cols to output
    LEDMATRIXROWDDR  |= LEDROWMASK ;         // set rows to output
    
    Timer0_RegisterCallbackFunction(LEDMatrix_timer);  // setup timer to scan matrix
        return;
}


void LCD_Blank(void)
{
        return;
}


void LCD_Sleep(void)
{
        return;
}


void LCD_Wake(void)
{
        //extern uint8 gLCD_Refresh;

        //gLCD_Refresh=TRUE;
        return;
}


void LCD_PrintfU4(uint8 Data)
{
        /* Send 4-bit hex value */
//    uint8 Character[2];
//      Character[0] = Data&0x0f;
//    if (Character[0]>9)
//    {
//        Character[0]+='A'-10;
//    }
//    else
//    {
//        Character[0]+='0';
//    }
        

        return;
}

void LCD_PrintfU8(uint8 Data)
{
//    /* Send 8-bit hex value */
//    LCD_PrintfU4(Data>>4);
//    LCD_PrintfU4(Data);
        return;
}






uint8 LCD_Time(uint16 data)
{
        return 0;
}

uint8 LCD_FileName(uint8 resetScroll)
{
        return 0;
}

void LCD_Play(void)
{       
        return;
}


void LCD_Stop(void)
{       
        return;
}


void LCD_Pause(void)
{       
        return;
}

void LCD_Vol(uint8 volume, uint8 boostOn)
{       
        return;
}

uint8 LCD_Tester(void)
{
        return 0;
}       



void LCD_Scanning(void)
{       
        return;
}

void LCD_Battery(uint8 percentage)
{
        return;
}