u8g_dev_ks0108_128x64.c

00001 /*
00002 
00003   u8g_dev_ks0108_128x64.c
00004 
00005   Universal 8bit Graphics Library
00006   
00007   Copyright (c) 2011, olikraus@gmail.com
00008   All rights reserved.
00009 
00010   Redistribution and use in source and binary forms, with or without modification, 
00011   are permitted provided that the following conditions are met:
00012 
00013   * Redistributions of source code must retain the above copyright notice, this list 
00014     of conditions and the following disclaimer.
00015     
00016   * Redistributions in binary form must reproduce the above copyright notice, this 
00017     list of conditions and the following disclaimer in the documentation and/or other 
00018     materials provided with the distribution.
00019 
00020   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
00021   CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
00022   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
00023   MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
00024   DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
00025   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
00026   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
00027   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
00028   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
00029   CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
00030   STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
00031   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
00032   ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
00033   
00034 
00035   ADDRESS = 0   (Command Mode)
00036     0x03f       Display On
00037     0x0c0       Start Display at line 0
00038     0x040 | y   write to y address (y:0..63)
00039     0x0b8 | x   write to page [0..7]
00040 
00041 
00042   u8g_Init8Bit(u8g, dev, d0, d1, d2, d3, d4, d5, d6, d7, en, cs1, cs2, di, rw, reset)
00043   u8g_Init8Bit(u8g, dev,  8,    9, 10, 11,   4,   5,   6,   7, 18, 14, 15, 17, 16, U8G_PIN_NONE)
00044   
00045 */
00046 
00047 #include "u8g.h"
00048 
00049 #define WIDTH 128
00050 #define HEIGHT 64
00051 #define PAGE_HEIGHT 8
00052 
00053 static const uint8_t u8g_dev_ks0108_128x64_init_seq[] PROGMEM = {
00054   U8G_ESC_CS(0),             /* disable chip */
00055   U8G_ESC_ADR(0),           /* instruction mode */
00056   U8G_ESC_RST(1),           /* do reset low pulse with (1*16)+2 milliseconds */
00057   U8G_ESC_CS(1),             /* enable chip 1 */
00058   0x03f,                        /* display on */
00059   0x0c0,                        /* start at line 0 */
00060   U8G_ESC_DLY(20),         /* delay 20 ms */
00061   U8G_ESC_CS(2),             /* enable chip 2 */
00062   0x03f,                        /* display on */
00063   0x0c0,                        /* start at line 0 */
00064   U8G_ESC_DLY(20),         /* delay 20 ms */
00065   U8G_ESC_CS(0),             /* disable all chips */
00066   U8G_ESC_END                /* end of sequence */
00067 };
00068 
00069 
00070 uint8_t u8g_dev_ks0108_128x64_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
00071 {
00072   
00073   switch(msg)
00074   {
00075     case U8G_DEV_MSG_INIT:
00076       u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_NONE);
00077       u8g_WriteEscSeqP(u8g, dev, u8g_dev_ks0108_128x64_init_seq);
00078       break;
00079     case U8G_DEV_MSG_STOP:
00080       break;
00081     case U8G_DEV_MSG_PAGE_NEXT:
00082       {
00083         u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
00084         
00085         u8g_SetAddress(u8g, dev, 0);           /* command mode */
00086         u8g_SetChipSelect(u8g, dev, 2);
00087         u8g_WriteByte(u8g, dev, 0x0b8 | pb->p.page); /* select current page (KS0108b) */
00088         u8g_WriteByte(u8g, dev, 0x040 );        /* set address 0 */
00089         u8g_SetAddress(u8g, dev, 1);           /* data mode */
00090         u8g_WriteSequence(u8g, dev, 64, pb->buf);
00091         u8g_SetChipSelect(u8g, dev, 0);
00092         
00093         u8g_SetAddress(u8g, dev, 0);           /* command mode */
00094         u8g_SetChipSelect(u8g, dev, 1);
00095         u8g_WriteByte(u8g, dev, 0x0b8 | pb->p.page); /* select current page (KS0108b) */
00096         u8g_WriteByte(u8g, dev, 0x040 );        /* set address 0 */
00097         u8g_SetAddress(u8g, dev, 1);           /* data mode */
00098         u8g_WriteSequence(u8g, dev, 64, 64+(uint8_t *)pb->buf);
00099         u8g_SetChipSelect(u8g, dev, 0);
00100         
00101       }
00102       break;
00103   }
00104   return u8g_dev_pb8v1_base_fn(u8g, dev, msg, arg);
00105 }
00106 
00107 U8G_PB_DEV(u8g_dev_ks0108_128x64, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_ks0108_128x64_fn, U8G_COM_PARALLEL);
00108 U8G_PB_DEV(u8g_dev_ks0108_128x64_fast, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_ks0108_128x64_fn, U8G_COM_FAST_PARALLEL);
00109 
00110 
00111