iforce2d Chris / Mbed 2 deprecated ubxDistanceMeter

Displays distance to start location on OLED screen.

Dependencies:   mbed

u8g_dev_lc7981_160x80.c@0:972874f31c98, 2018-03-07 (annotated)

Committer:
iforce2d
Date:
Wed Mar 07 12:49:14 2018 +0000
Revision:
0:972874f31c98
First commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
iforce2d 0:972874f31c98 1 /*
iforce2d 0:972874f31c98 2
iforce2d 0:972874f31c98 3 u8g_dev_lc7981_160x80.c
iforce2d 0:972874f31c98 4
iforce2d 0:972874f31c98 5 Universal 8bit Graphics Library
iforce2d 0:972874f31c98 6
iforce2d 0:972874f31c98 7 Copyright (c) 2011, olikraus@gmail.com
iforce2d 0:972874f31c98 8 All rights reserved.
iforce2d 0:972874f31c98 9
iforce2d 0:972874f31c98 10 Redistribution and use in source and binary forms, with or without modification,
iforce2d 0:972874f31c98 11 are permitted provided that the following conditions are met:
iforce2d 0:972874f31c98 12
iforce2d 0:972874f31c98 13 * Redistributions of source code must retain the above copyright notice, this list
iforce2d 0:972874f31c98 14 of conditions and the following disclaimer.
iforce2d 0:972874f31c98 15
iforce2d 0:972874f31c98 16 * Redistributions in binary form must reproduce the above copyright notice, this
iforce2d 0:972874f31c98 17 list of conditions and the following disclaimer in the documentation and/or other
iforce2d 0:972874f31c98 18 materials provided with the distribution.
iforce2d 0:972874f31c98 19
iforce2d 0:972874f31c98 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
iforce2d 0:972874f31c98 21 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
iforce2d 0:972874f31c98 22 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
iforce2d 0:972874f31c98 23 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
iforce2d 0:972874f31c98 24 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
iforce2d 0:972874f31c98 25 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
iforce2d 0:972874f31c98 26 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
iforce2d 0:972874f31c98 27 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
iforce2d 0:972874f31c98 28 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
iforce2d 0:972874f31c98 29 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
iforce2d 0:972874f31c98 30 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
iforce2d 0:972874f31c98 31 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
iforce2d 0:972874f31c98 32 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
iforce2d 0:972874f31c98 33
iforce2d 0:972874f31c98 34
iforce2d 0:972874f31c98 35 */
iforce2d 0:972874f31c98 36
iforce2d 0:972874f31c98 37 #include "u8g.h"
iforce2d 0:972874f31c98 38
iforce2d 0:972874f31c98 39 #define WIDTH 160
iforce2d 0:972874f31c98 40 #define HEIGHT 80
iforce2d 0:972874f31c98 41 #define PAGE_HEIGHT 8
iforce2d 0:972874f31c98 42
iforce2d 0:972874f31c98 43
iforce2d 0:972874f31c98 44 /*
iforce2d 0:972874f31c98 45 code ideas:
iforce2d 0:972874f31c98 46 https://github.com/vsergeev/embedded-drivers/tree/master/avr-lc7981
iforce2d 0:972874f31c98 47 data sheets:
iforce2d 0:972874f31c98 48 http://www.lcd-module.de/eng/pdf/zubehoer/lc7981.pdf
iforce2d 0:972874f31c98 49 http://www.lcd-module.de/pdf/grafik/w160-6.pdf
iforce2d 0:972874f31c98 50 */
iforce2d 0:972874f31c98 51
iforce2d 0:972874f31c98 52 static const uint8_t u8g_dev_lc7981_160x80_init_seq[] PROGMEM = {
iforce2d 0:972874f31c98 53 U8G_ESC_CS(0), /* disable chip */
iforce2d 0:972874f31c98 54 U8G_ESC_ADR(1), /* instruction mode */
iforce2d 0:972874f31c98 55 U8G_ESC_RST(15), /* do reset low pulse with (15*16)+2 milliseconds (=maximum delay)*/
iforce2d 0:972874f31c98 56 U8G_ESC_CS(1), /* enable chip */
iforce2d 0:972874f31c98 57 U8G_ESC_DLY(50), /* delay 50 ms */
iforce2d 0:972874f31c98 58
iforce2d 0:972874f31c98 59
iforce2d 0:972874f31c98 60 U8G_ESC_ADR(1), /* instruction mode */
iforce2d 0:972874f31c98 61 0x000, /* mode register */
iforce2d 0:972874f31c98 62 U8G_ESC_ADR(0), /* data mode */
iforce2d 0:972874f31c98 63 0x032, /* display on (bit 5), master mode on (bit 4), graphics mode on (bit 1)*/
iforce2d 0:972874f31c98 64
iforce2d 0:972874f31c98 65 U8G_ESC_ADR(1), /* instruction mode */
iforce2d 0:972874f31c98 66 0x001, /* character/bits per pixel pitch */
iforce2d 0:972874f31c98 67 U8G_ESC_ADR(0), /* data mode */
iforce2d 0:972874f31c98 68 0x007, /* 8 bits per pixel */
iforce2d 0:972874f31c98 69
iforce2d 0:972874f31c98 70 U8G_ESC_ADR(1), /* instruction mode */
iforce2d 0:972874f31c98 71 0x002, /* number of chars/byte width of the screen */
iforce2d 0:972874f31c98 72 U8G_ESC_ADR(0), /* data mode */
iforce2d 0:972874f31c98 73 WIDTH/8-1, /* 8 bits per pixel */
iforce2d 0:972874f31c98 74
iforce2d 0:972874f31c98 75 U8G_ESC_ADR(1), /* instruction mode */
iforce2d 0:972874f31c98 76 0x003, /* time division */
iforce2d 0:972874f31c98 77 U8G_ESC_ADR(0), /* data mode */
iforce2d 0:972874f31c98 78 0x07f, /* */
iforce2d 0:972874f31c98 79
iforce2d 0:972874f31c98 80 U8G_ESC_ADR(1), /* instruction mode */
iforce2d 0:972874f31c98 81 0x008, /* display start low */
iforce2d 0:972874f31c98 82 U8G_ESC_ADR(0), /* data mode */
iforce2d 0:972874f31c98 83 0x000, /* */
iforce2d 0:972874f31c98 84
iforce2d 0:972874f31c98 85 U8G_ESC_ADR(1), /* instruction mode */
iforce2d 0:972874f31c98 86 0x009, /* display start high */
iforce2d 0:972874f31c98 87 U8G_ESC_ADR(0), /* data mode */
iforce2d 0:972874f31c98 88 0x000, /* */
iforce2d 0:972874f31c98 89
iforce2d 0:972874f31c98 90 U8G_ESC_DLY(10), /* delay 10 ms */
iforce2d 0:972874f31c98 91
iforce2d 0:972874f31c98 92 U8G_ESC_CS(0), /* disable chip */
iforce2d 0:972874f31c98 93 U8G_ESC_END /* end of sequence */
iforce2d 0:972874f31c98 94 };
iforce2d 0:972874f31c98 95
iforce2d 0:972874f31c98 96 uint8_t u8g_dev_lc7981_160x80_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
iforce2d 0:972874f31c98 97 {
iforce2d 0:972874f31c98 98 switch(msg)
iforce2d 0:972874f31c98 99 {
iforce2d 0:972874f31c98 100 case U8G_DEV_MSG_INIT:
iforce2d 0:972874f31c98 101 u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_NONE);
iforce2d 0:972874f31c98 102 u8g_WriteEscSeqP(u8g, dev, u8g_dev_lc7981_160x80_init_seq);
iforce2d 0:972874f31c98 103 break;
iforce2d 0:972874f31c98 104 case U8G_DEV_MSG_STOP:
iforce2d 0:972874f31c98 105 break;
iforce2d 0:972874f31c98 106 case U8G_DEV_MSG_PAGE_NEXT:
iforce2d 0:972874f31c98 107 {
iforce2d 0:972874f31c98 108 uint8_t y, i;
iforce2d 0:972874f31c98 109 uint16_t disp_ram_adr;
iforce2d 0:972874f31c98 110 uint8_t *ptr;
iforce2d 0:972874f31c98 111 u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
iforce2d 0:972874f31c98 112
iforce2d 0:972874f31c98 113 u8g_SetAddress(u8g, dev, 1); /* cmd mode */
iforce2d 0:972874f31c98 114 u8g_SetChipSelect(u8g, dev, 1);
iforce2d 0:972874f31c98 115 y = pb->p.page_y0;
iforce2d 0:972874f31c98 116 ptr = pb->buf;
iforce2d 0:972874f31c98 117 disp_ram_adr = WIDTH/8;
iforce2d 0:972874f31c98 118 disp_ram_adr *= y;
iforce2d 0:972874f31c98 119 for( i = 0; i < 8; i ++ )
iforce2d 0:972874f31c98 120 {
iforce2d 0:972874f31c98 121 u8g_SetAddress(u8g, dev, 1); /* cmd mode */
iforce2d 0:972874f31c98 122 u8g_WriteByte(u8g, dev, 0x00a ); /* display ram (cursor) address low byte */
iforce2d 0:972874f31c98 123 u8g_SetAddress(u8g, dev, 0); /* data mode */
iforce2d 0:972874f31c98 124 u8g_WriteByte(u8g, dev, disp_ram_adr & 0x0ff );
iforce2d 0:972874f31c98 125
iforce2d 0:972874f31c98 126 u8g_SetAddress(u8g, dev, 1); /* cmd mode */
iforce2d 0:972874f31c98 127 u8g_WriteByte(u8g, dev, 0x00b ); /* display ram (cursor) address hight byte */
iforce2d 0:972874f31c98 128 u8g_SetAddress(u8g, dev, 0); /* data mode */
iforce2d 0:972874f31c98 129 u8g_WriteByte(u8g, dev, disp_ram_adr >> 8 );
iforce2d 0:972874f31c98 130
iforce2d 0:972874f31c98 131 u8g_SetAddress(u8g, dev, 1); /* cmd mode */
iforce2d 0:972874f31c98 132 u8g_WriteByte(u8g, dev, 0x00c ); /* write data */
iforce2d 0:972874f31c98 133 u8g_SetAddress(u8g, dev, 0); /* data mode */
iforce2d 0:972874f31c98 134 u8g_WriteSequence(u8g, dev, WIDTH/8, ptr);
iforce2d 0:972874f31c98 135 ptr += WIDTH/8;
iforce2d 0:972874f31c98 136 disp_ram_adr += WIDTH/8;
iforce2d 0:972874f31c98 137 }
iforce2d 0:972874f31c98 138 u8g_SetChipSelect(u8g, dev, 0);
iforce2d 0:972874f31c98 139 }
iforce2d 0:972874f31c98 140 break;
iforce2d 0:972874f31c98 141 }
iforce2d 0:972874f31c98 142 return u8g_dev_pb8h1f_base_fn(u8g, dev, msg, arg);
iforce2d 0:972874f31c98 143 }
iforce2d 0:972874f31c98 144
iforce2d 0:972874f31c98 145 U8G_PB_DEV(u8g_dev_lc7981_160x80_8bit, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_lc7981_160x80_fn, U8G_COM_FAST_PARALLEL);
iforce2d 0:972874f31c98 146
iforce2d 0:972874f31c98 147
iforce2d 0:972874f31c98 148