Displays distance to start location on OLED screen.

Dependencies:   mbed

Revision:
0:972874f31c98
diff -r 000000000000 -r 972874f31c98 u8g_dev_t6963_240x128.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/u8g_dev_t6963_240x128.c	Wed Mar 07 12:49:14 2018 +0000
@@ -0,0 +1,196 @@
+/*
+
+  u8g_dev_t6963_240x128.c
+  
+  Tested with Varitronix MGLS240128TZ
+  
+  Universal 8bit Graphics Library
+  
+  Copyright (c) 2013, olikraus@gmail.com
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without modification, 
+  are permitted provided that the following conditions are met:
+
+  * Redistributions of source code must retain the above copyright notice, this list 
+    of conditions and the following disclaimer.
+    
+  * Redistributions in binary form must reproduce the above copyright notice, this 
+    list of conditions and the following disclaimer in the documentation and/or other 
+    materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
+  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
+  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
+  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
+  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
+  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
+  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
+  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
+  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
+    
+        
+  Application Notes for the MGLS 240x128
+    www.baso.no/content/pdf/T6963C_Application.pdf
+  
+  Hitachi App Notes:
+    https://www.sparkfun.com/datasheets/LCD/Monochrome/AN-029-Toshiba_T6963C.pdf
+
+  Notes:
+    The font selection pins should generate the 8x8 font.
+    For the MGLS240128TZ only FS1 is available on pin 18.
+    FS1 must be low to generate the 8x8 font.
+  
+
+*/
+
+#include "u8g.h"
+
+#define WIDTH 240
+#define HEIGHT 128
+#define PAGE_HEIGHT 16
+
+
+/*
+  http://www.mark-products.com/graphics.htm#240x64%20Pixel%20Format
+*/
+
+/* text is not used, so settings are not relevant */
+static const uint8_t u8g_dev_t6963_240x128_init_seq[] PROGMEM = {
+  U8G_ESC_CS(0),             /* disable chip */
+  U8G_ESC_ADR(0),           /* data mode */
+  U8G_ESC_RST(15),           /* do reset low pulse with (15*16)+2 milliseconds (=maximum delay)*/
+
+  U8G_ESC_CS(1),             /* enable chip */
+  U8G_ESC_DLY(50),         /* delay 50 ms */
+
+  U8G_ESC_ADR(0),               /* data mode */
+  0x000,                                /* low byte */
+  0x000,                                /* height byte */
+  U8G_ESC_ADR(1),               /* instruction mode */
+  0x021,                                /* set cursor position */
+  
+  U8G_ESC_ADR(0),               /* data mode */
+  0x000,                                /* low byte */
+  0x000,                                /* height byte */
+  U8G_ESC_ADR(1),               /* instruction mode */
+  0x022,                                /* set offset */
+
+  U8G_ESC_ADR(0),               /* data mode */
+  0x000,                                /* low byte */
+  0x000,                                /* height byte */
+  U8G_ESC_ADR(1),               /* instruction mode */
+  0x040,				     /* text home */
+
+  U8G_ESC_ADR(0),               /* data mode */
+  WIDTH/8,                      	    /* low byte */
+  0x000,                                /* height byte */
+  U8G_ESC_ADR(1),               /* instruction mode */
+  0x041,				     /* text columns */
+
+  U8G_ESC_ADR(0),               /* data mode */
+  0x000,                                /* low byte */
+  0x000,                                /* height byte */
+  U8G_ESC_ADR(1),               /* instruction mode */
+  0x042,				     /* graphics home */
+
+  U8G_ESC_ADR(0),               /* data mode */
+  WIDTH/8,                            /* low byte */
+  0x000,                                /* height byte */
+  U8G_ESC_ADR(1),               /* instruction mode */
+  0x043,				     /* graphics columns */
+  
+  // mode set
+  // 0x080: Internal CG, OR Mode
+  // 0x081: Internal CG, EXOR Mode
+  // 0x083: Internal CG, AND Mode
+  // 0x088: External CG, OR Mode
+  // 0x089: External CG, EXOR Mode
+  // 0x08B: External CG, AND Mode
+  U8G_ESC_ADR(1),               /* instruction mode */
+  0x080,                                /* mode register: OR Mode, Internal Character Mode */
+  
+  U8G_ESC_ADR(1),               /* instruction mode */
+  // display mode
+  // 0x090: Display off
+  // 0x094: Graphic off, text on, cursor off, blink off
+  // 0x096: Graphic off, text on, cursor on, blink off
+  // 0x097: Graphic off, text on, cursor on, blink on
+  // 0x098: Graphic on, text off, cursor off, blink off
+  // 0x09a: Graphic on, text off, cursor on, blink off
+  // ...
+  // 0x09c: Graphic on, text on, cursor off, blink off
+  // 0x09f: Graphic on, text on, cursor on, blink on
+  0x098,                                /* mode register: Display Mode, Graphics on, Text off, Cursor off */
+  
+  U8G_ESC_ADR(0),               /* data mode */
+  0x000,                                /* low byte */
+  0x000,                                /* height byte */
+  U8G_ESC_ADR(1),               /* instruction mode */
+  0x024,                                /* set adr pointer */
+  
+
+  U8G_ESC_DLY(100),         /* delay 100 ms */
+  
+  U8G_ESC_ADR(0),               /* data mode */
+  U8G_ESC_CS(0),             /* disable chip */
+  U8G_ESC_END                /* end of sequence */
+};
+
+uint8_t u8g_dev_t6963_240x128_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
+{
+  switch(msg)
+  {
+    case U8G_DEV_MSG_INIT:
+      u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_NONE);    
+      u8g_WriteEscSeqP(u8g, dev, u8g_dev_t6963_240x128_init_seq);
+      break;
+    case U8G_DEV_MSG_STOP:
+      break;
+    case U8G_DEV_MSG_PAGE_NEXT:
+      {
+        uint8_t y, i;
+        uint16_t disp_ram_adr;
+        uint8_t *ptr;
+        u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
+
+        
+	u8g_SetAddress(u8g, dev, 0);           /* data mode */
+        u8g_SetChipSelect(u8g, dev, 1);
+        y = pb->p.page_y0;
+        ptr = pb->buf;
+        disp_ram_adr = WIDTH/8;
+        disp_ram_adr *= y;
+        for( i = 0; i < PAGE_HEIGHT; i ++ )
+        {
+          u8g_SetAddress(u8g, dev, 0);           /* data mode */
+          u8g_WriteByte(u8g, dev, disp_ram_adr&255 );      /* address low byte */
+          u8g_WriteByte(u8g, dev, disp_ram_adr>>8 );      /* address hight byte */
+          u8g_SetAddress(u8g, dev, 1);           /* cmd mode */
+          u8g_WriteByte(u8g, dev, 0x024 );      /* set adr ptr */
+	  
+          u8g_WriteSequence(u8g, dev, WIDTH/8, ptr);	
+	  
+          ptr += WIDTH/8;
+          disp_ram_adr += WIDTH/8;
+        }
+	u8g_SetAddress(u8g, dev, 0);           /* data mode */
+        u8g_SetChipSelect(u8g, dev, 0);
+      }
+      break;
+  }
+  return u8g_dev_pb16h1_base_fn(u8g, dev, msg, arg);
+}
+
+// U8G_PB_DEV(u8g_dev_t6963_240x128_8bit, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_t6963_240x128_fn, U8G_COM_T6963);
+
+uint8_t u8g_dev_t6963_240x128_2x_bw_buf[WIDTH/8*PAGE_HEIGHT] U8G_NOCOMMON ; 
+u8g_pb_t u8g_dev_t6963_240x128_2x_bw_pb = { {PAGE_HEIGHT, HEIGHT, 0, 0, 0},  WIDTH, u8g_dev_t6963_240x128_2x_bw_buf}; 
+u8g_dev_t u8g_dev_t6963_240x128_8bit = { u8g_dev_t6963_240x128_fn, &u8g_dev_t6963_240x128_2x_bw_pb, U8G_COM_T6963 };
+
+
+