#include "system.h"
#include "pio.h"
#include "pacer.h"


/** Define PIO pins driving LED matrix rows.  */
static const pio_t rows[] =
{
    LEDMAT_ROW1_PIO, LEDMAT_ROW2_PIO, LEDMAT_ROW3_PIO, 
    LEDMAT_ROW4_PIO, LEDMAT_ROW5_PIO, LEDMAT_ROW6_PIO,
    LEDMAT_ROW7_PIO
};


/** Define PIO pins driving LED matrix columns.  */
static const pio_t cols[] =
{
    LEDMAT_COL1_PIO, LEDMAT_COL2_PIO, LEDMAT_COL3_PIO,
    LEDMAT_COL4_PIO, LEDMAT_COL5_PIO
};


static const uint8_t bitmap[] =
{
    0x30, 0x46, 0x40, 0x46, 0x30
};



static void display_column (uint8_t row_pattern, uint8_t current_column)
{

    /* TODO */

}


int main (void)
{
    uint8_t current_column = 0;
  
    system_init ();
    pacer_init (500);
    
    /* TODO: Initialise LED matrix pins.  */
    

    while (1)
    {
        pacer_wait ();
        
        display_column (bitmap[current_column], current_column);
    
        current_column++;
    
        if (current_column > (LEDMAT_COLS_NUM - 1))
        {
            current_column = 0;
        }           
    }
}