u8g2-copy/csrc/u8x8_d_stdio.c

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2015-11-07 04:07:14 +08:00
#include "u8x8.h"
#include <stdio.h>
#define W 8
#define H 2
uint8_t bitmap[W*H*8];
void bitmap_place_tile(uint8_t x, uint8_t y, uint8_t *tile)
{
uint8_t i;
for(i = 0; i < 8; i++ )
bitmap[x*8+y*W*8+i] = tile[i];
}
void bitmap_show(void)
{
int x, y;
for( y = 0; y < H*8; y++ )
{
for( x = 0; x < W*8; x++ )
{
if ( (bitmap[x+(y/8)*W*8] & (1<<((y&7)))) != 0 )
{
printf("*");
}
else
{
printf(".");
}
}
printf("\n");
}
}
uint8_t u8x8_d_stdio(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
switch(msg)
{
case U8X8_MSG_DISPLAY_INIT:
break;
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
if ( arg_int == 0 )
bitmap_show();
break;
case U8X8_MSG_DISPLAY_SET_CONTRAST:
break;
case U8X8_MSG_DISPLAY_DRAW_TILE:
bitmap_place_tile(((u8x8_tile_t *)arg_ptr)->x_pos, ((u8x8_tile_t *)arg_ptr)->y_pos, ((u8x8_tile_t *)arg_ptr)->tile_ptr);
break;
default:
break;
}
return 1;
}
void u8x8_SetupStdio(u8x8_t *u8x8)
{
u8x8_SetupDefaults(u8x8);
u8x8->display_cb = u8x8_d_stdio;
}