102 lines
2.5 KiB
C
102 lines
2.5 KiB
C
/*
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u8x8_d_stdio.c
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
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Copyright (c) 2016, olikraus@gmail.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or other
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materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "u8x8.h"
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#include <stdio.h>
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#define W 8
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#define H 2
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uint8_t bitmap[W*H*8];
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void bitmap_place_tile(uint8_t x, uint8_t y, uint8_t *tile)
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{
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uint8_t i;
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for(i = 0; i < 8; i++ )
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bitmap[x*8+y*W*8+i] = tile[i];
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}
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void bitmap_show(void)
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{
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int x, y;
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for( y = 0; y < H*8; y++ )
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{
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for( x = 0; x < W*8; x++ )
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{
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if ( (bitmap[x+(y/8)*W*8] & (1<<((y&7)))) != 0 )
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{
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printf("*");
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}
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else
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{
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printf(".");
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}
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}
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printf("\n");
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}
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}
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uint8_t u8x8_d_stdio(U8X8_UNUSED u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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switch(msg)
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{
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case U8X8_MSG_DISPLAY_INIT:
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break;
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case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
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if ( arg_int == 0 )
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bitmap_show();
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break;
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case U8X8_MSG_DISPLAY_SET_CONTRAST:
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break;
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case U8X8_MSG_DISPLAY_DRAW_TILE:
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bitmap_place_tile(((u8x8_tile_t *)arg_ptr)->x_pos, ((u8x8_tile_t *)arg_ptr)->y_pos, ((u8x8_tile_t *)arg_ptr)->tile_ptr);
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break;
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default:
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break;
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}
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return 1;
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}
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void u8x8_SetupStdio(u8x8_t *u8x8)
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{
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u8x8_SetupDefaults(u8x8);
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u8x8->display_cb = u8x8_d_stdio;
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}
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