00001 /* 00002 00003 Copyright (c) 2010, Embedded Adventures, www.embeddedadventures.com 00004 All rights reserved. 00005 00006 Redistribution and use in source and binary forms, with or without 00007 modification, are permitted provided that the following conditions are met: 00008 00009 - Redistributions of source code must retain the above copyright notice, 00010 this list of conditions and the following disclaimer. 00011 00012 - Redistributions in binary form must reproduce the above copyright 00013 notice, this list of conditions and the following disclaimer in the 00014 documentation and/or other materials provided with the distribution. 00015 00016 - Neither the name of Embedded Adventures nor the names of its contributors 00017 may be used to endorse or promote products derived from this software 00018 without specific prior written permission. 00019 00020 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00021 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00022 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00023 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 00024 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00025 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00026 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00027 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00028 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00029 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 00030 THE POSSIBILITY OF SUCH DAMAGE. 00031 00032 Contact us at admin@embeddedadventures.com 00033 */ 00034 00041 #include "pcd8544.h" 00042 #include "draw\draw.h" 00043 #include "draw\draw_screen_buffer.h" 00044 00045 void drv_paint() { 00046 00047 uns8 count; 00048 uns8 x, y, inv_y; 00049 uns16 buffer_loc; 00050 uns16 byte_loc; 00051 uns8 bit_loc, byte_out; 00052 00053 serial_print_str("paint! "); 00054 00055 // set x,y location to 0 00056 pcd8544_send_command(0x80); 00057 00058 pcd8544_send_command(0x40); 00059 00060 00061 byte_out = 0; 00062 00063 for(x = 0 ; x < DRAW_PIXELS_WIDE ; x++) { 00064 00065 for(y = 0 ; y < DRAW_PIXELS_HIGH ; y++) { 00066 buffer_loc = y * DRAW_PIXELS_WIDE + x; 00067 byte_loc = buffer_loc / DRAW_PIXELS_PER_BYTE; 00068 bit_loc = buffer_loc & (DRAW_PIXELS_PER_BYTE -1); 00069 00070 byte_out = byte_out >> 1; 00071 if (test_bit(get_draw_buffer(byte_loc), bit_loc)) { 00072 byte_out.7 = 1; 00073 } else { 00074 byte_out.7 = 0; 00075 } 00076 if ((y & 0b00000111) == 0b00000111) { 00077 pcd8544_send_data(byte_out); 00078 } 00079 } 00080 } 00081 } 00082 00083 00084 00085 void drv_setup_io() { 00086 pcd8544_setup_io(); 00087 } 00088 00089 void drv_init() { 00090 pcd8544_init(); 00091 } 00092