#include "u8x8.h" #include #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; }