u8g_dev_t6963_240x64.c

00001 /*
00002 
00003   u8g_dev_t6963_240x64.c
00004   
00005   Tested with Varitronix MGLS240128TZ
00006   
00007   Universal 8bit Graphics Library
00008   
00009   Copyright (c) 2013, olikraus@gmail.com
00010   All rights reserved.
00011 
00012   Redistribution and use in source and binary forms, with or without modification, 
00013   are permitted provided that the following conditions are met:
00014 
00015   * Redistributions of source code must retain the above copyright notice, this list 
00016     of conditions and the following disclaimer.
00017     
00018   * Redistributions in binary form must reproduce the above copyright notice, this 
00019     list of conditions and the following disclaimer in the documentation and/or other 
00020     materials provided with the distribution.
00021 
00022   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
00023   CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
00024   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
00025   MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
00026   DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
00027   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
00028   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
00029   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
00030   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
00031   CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
00032   STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
00033   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
00034   ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
00035   
00036         
00037   Application Notes for the MGLS 240x128
00038     www.baso.no/content/pdf/T6963C_Application.pdf
00039   
00040   Hitachi App Notes:
00041     https://www.sparkfun.com/datasheets/LCD/Monochrome/AN-029-Toshiba_T6963C.pdf
00042 
00043   Notes:
00044     The font selection pins should generate the 8x8 font.
00045     For the MGLS240128TZ only FS1 is available on pin 18.
00046     FS1 must be low to generate the 8x8 font.
00047   
00048   
00049 */
00050 
00051 #include "u8g.h"
00052 
00053 #define WIDTH 240
00054 #define HEIGHT 64
00055 #define PAGE_HEIGHT 16
00056 
00057 
00058 /*
00059   http://www.mark-products.com/graphics.htm#240x64%20Pixel%20Format
00060 */
00061 
00062 /* text is not used, so settings are not relevant */
00063 static const uint8_t u8g_dev_t6963_240x64_init_seq[] PROGMEM = {
00064   U8G_ESC_CS(0),             /* disable chip */
00065   U8G_ESC_ADR(0),           /* data mode */
00066   U8G_ESC_RST(15),           /* do reset low pulse with (15*16)+2 milliseconds (=maximum delay)*/
00067 
00068   U8G_ESC_CS(1),             /* enable chip */
00069   U8G_ESC_DLY(50),         /* delay 50 ms */
00070 
00071   U8G_ESC_ADR(0),               /* data mode */
00072   0x000,                                /* low byte */
00073   0x000,                                /* height byte */
00074   U8G_ESC_ADR(1),               /* instruction mode */
00075   0x021,                                /* set cursor position */
00076   
00077   U8G_ESC_ADR(0),               /* data mode */
00078   0x000,                                /* low byte */
00079   0x000,                                /* height byte */
00080   U8G_ESC_ADR(1),               /* instruction mode */
00081   0x022,                                /* set offset */
00082 
00083   U8G_ESC_ADR(0),               /* data mode */
00084   0x000,                                /* low byte */
00085   0x000,                                /* height byte */
00086   U8G_ESC_ADR(1),               /* instruction mode */
00087   0x040,                     /* text home */
00088 
00089   U8G_ESC_ADR(0),               /* data mode */
00090   WIDTH/8,                      /* low byte */
00091   0x000,                                /* height byte */
00092   U8G_ESC_ADR(1),               /* instruction mode */
00093   0x041,                     /* text columns */
00094 
00095   U8G_ESC_ADR(0),               /* data mode */
00096   0x000,                                /* low byte */
00097   0x000,                                /* height byte */
00098   U8G_ESC_ADR(1),               /* instruction mode */
00099   0x042,                     /* graphics home */
00100 
00101   U8G_ESC_ADR(0),               /* data mode */
00102   WIDTH/8,                      /* low byte */
00103   0x000,                                /* height byte */
00104   U8G_ESC_ADR(1),               /* instruction mode */
00105   0x043,                     /* graphics columns */
00106   
00107   // mode set
00108   // 0x080: Internal CG, OR Mode
00109   // 0x081: Internal CG, EXOR Mode
00110   // 0x083: Internal CG, AND Mode
00111   // 0x088: External CG, OR Mode
00112   // 0x089: External CG, EXOR Mode
00113   // 0x08B: External CG, AND Mode
00114   U8G_ESC_ADR(1),               /* instruction mode */
00115   0x080,                                /* mode register: OR Mode, Internal Character Mode */
00116   
00117   U8G_ESC_ADR(1),               /* instruction mode */
00118   // display mode
00119   // 0x090: Display off
00120   // 0x094: Graphic off, text on, cursor off, blink off
00121   // 0x096: Graphic off, text on, cursor on, blink off
00122   // 0x097: Graphic off, text on, cursor on, blink on
00123   // 0x098: Graphic on, text off, cursor off, blink off
00124   // 0x09a: Graphic on, text off, cursor on, blink off
00125   // ...
00126   // 0x09c: Graphic on, text on, cursor off, blink off
00127   // 0x09f: Graphic on, text on, cursor on, blink on
00128   0x098,                                /* mode register: Display Mode, Graphics on, Text off, Cursor off */
00129   
00130   U8G_ESC_ADR(0),               /* data mode */
00131   0x000,                                /* low byte */
00132   0x000,                                /* height byte */
00133   U8G_ESC_ADR(1),               /* instruction mode */
00134   0x024,                                /* set adr pointer */
00135   
00136 
00137   U8G_ESC_DLY(100),         /* delay 100 ms */
00138   
00139   U8G_ESC_ADR(0),               /* data mode */
00140   U8G_ESC_CS(0),             /* disable chip */
00141   U8G_ESC_END                /* end of sequence */
00142 };
00143 
00144 uint8_t u8g_dev_t6963_240x64_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
00145 {
00146   switch(msg)
00147   {
00148     case U8G_DEV_MSG_INIT:
00149       u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_NONE);    
00150       u8g_WriteEscSeqP(u8g, dev, u8g_dev_t6963_240x64_init_seq);
00151       break;
00152     case U8G_DEV_MSG_STOP:
00153       break;
00154     case U8G_DEV_MSG_PAGE_NEXT:
00155       {
00156         uint8_t y, i;
00157         uint16_t disp_ram_adr;
00158         uint8_t *ptr;
00159         u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
00160 
00161         
00162     u8g_SetAddress(u8g, dev, 0);           /* data mode */
00163         u8g_SetChipSelect(u8g, dev, 1);
00164         y = pb->p.page_y0;
00165         ptr = pb->buf;
00166         disp_ram_adr = WIDTH/8;
00167         disp_ram_adr *= y;
00168         for( i = 0; i < PAGE_HEIGHT; i ++ )
00169         {
00170           u8g_SetAddress(u8g, dev, 0);           /* data mode */
00171           u8g_WriteByte(u8g, dev, disp_ram_adr&255 );      /* address low byte */
00172           u8g_WriteByte(u8g, dev, disp_ram_adr>>8 );      /* address hight byte */
00173           u8g_SetAddress(u8g, dev, 1);           /* cmd mode */
00174           u8g_WriteByte(u8g, dev, 0x024 );      /* set adr ptr */
00175       
00176           u8g_WriteSequence(u8g, dev, WIDTH/8, ptr);    
00177       
00178           ptr += WIDTH/8;
00179           disp_ram_adr += WIDTH/8;
00180         }
00181     u8g_SetAddress(u8g, dev, 0);           /* data mode */
00182         u8g_SetChipSelect(u8g, dev, 0);
00183       }
00184       break;
00185   }
00186   return u8g_dev_pb16h1_base_fn(u8g, dev, msg, arg);
00187 }
00188 
00189 // U8G_PB_DEV(u8g_dev_t6963_240x64_8bit, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_t6963_240x64_fn, U8G_COM_T6963);
00190 
00191 uint8_t u8g_dev_t6963_240x64_2x_bw_buf[WIDTH/8*PAGE_HEIGHT] U8G_NOCOMMON ; 
00192 u8g_pb_t u8g_dev_t6963_240x64_2x_bw_pb = { {PAGE_HEIGHT, HEIGHT, 0, 0, 0},  WIDTH, u8g_dev_t6963_240x64_2x_bw_buf}; 
00193 u8g_dev_t u8g_dev_t6963_240x64_8bit = { u8g_dev_t6963_240x64_fn, &u8g_dev_t6963_240x64_2x_bw_pb, U8G_COM_T6963 };
00194 
00195 
00196