Displays distance to start location on OLED screen.

Dependencies:   mbed

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_st7565_64128n.c (Displaytech)
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 128
iforce2d 0:972874f31c98 40 #define HEIGHT 64
iforce2d 0:972874f31c98 41 #define PAGE_HEIGHT 8
iforce2d 0:972874f31c98 42
iforce2d 0:972874f31c98 43 /* init sequence from https://github.com/adafruit/ST7565-LCD/blob/master/ST7565/ST7565.cpp */
iforce2d 0:972874f31c98 44 static const uint8_t u8g_dev_st7565_64128n_init_seq[] PROGMEM = {
iforce2d 0:972874f31c98 45 U8G_ESC_CS(0), /* disable chip */
iforce2d 0:972874f31c98 46 U8G_ESC_ADR(0), /* instruction mode */
iforce2d 0:972874f31c98 47 U8G_ESC_CS(1), /* enable chip */
iforce2d 0:972874f31c98 48 U8G_ESC_RST(15), /* do reset low pulse with (15*16)+2 milliseconds (=maximum delay)*/
iforce2d 0:972874f31c98 49
iforce2d 0:972874f31c98 50 0x0A2, /* 0x0a2: LCD bias 1/9 (according to Displaytech 64128N datasheet) */
iforce2d 0:972874f31c98 51 0x0A0, /* Normal ADC Select (according to Displaytech 64128N datasheet) */
iforce2d 0:972874f31c98 52
iforce2d 0:972874f31c98 53 0x0c8, /* common output mode: set scan direction normal operation/SHL Select, 0x0c0 --> SHL = 0, normal, 0x0c8 --> SHL = 1 */
iforce2d 0:972874f31c98 54 0x040, /* Display start line for Displaytech 64128N */
iforce2d 0:972874f31c98 55
iforce2d 0:972874f31c98 56 0x028 | 0x04, /* power control: turn on voltage converter */
iforce2d 0:972874f31c98 57 U8G_ESC_DLY(50), /* delay 50 ms */
iforce2d 0:972874f31c98 58
iforce2d 0:972874f31c98 59 0x028 | 0x06, /* power control: turn on voltage regulator */
iforce2d 0:972874f31c98 60 U8G_ESC_DLY(50), /* delay 50 ms */
iforce2d 0:972874f31c98 61
iforce2d 0:972874f31c98 62 0x028 | 0x07, /* power control: turn on voltage follower */
iforce2d 0:972874f31c98 63 U8G_ESC_DLY(50), /* delay 50 ms */
iforce2d 0:972874f31c98 64
iforce2d 0:972874f31c98 65 0x010, /* Set V0 voltage resistor ratio. Setting for controlling brightness of Displaytech 64128N */
iforce2d 0:972874f31c98 66
iforce2d 0:972874f31c98 67 0x0a6, /* display normal, bit val 0: LCD pixel off. */
iforce2d 0:972874f31c98 68
iforce2d 0:972874f31c98 69 0x081, /* set contrast */
iforce2d 0:972874f31c98 70 0x01e, /* Contrast value. Setting for controlling brightness of Displaytech 64128N */
iforce2d 0:972874f31c98 71
iforce2d 0:972874f31c98 72
iforce2d 0:972874f31c98 73 0x0af, /* display on */
iforce2d 0:972874f31c98 74
iforce2d 0:972874f31c98 75 U8G_ESC_DLY(100), /* delay 100 ms */
iforce2d 0:972874f31c98 76 0x0a5, /* display all points, ST7565 */
iforce2d 0:972874f31c98 77 U8G_ESC_DLY(100), /* delay 100 ms */
iforce2d 0:972874f31c98 78 U8G_ESC_DLY(100), /* delay 100 ms */
iforce2d 0:972874f31c98 79 0x0a4, /* normal display */
iforce2d 0:972874f31c98 80 U8G_ESC_CS(0), /* disable chip */
iforce2d 0:972874f31c98 81 U8G_ESC_END /* end of sequence */
iforce2d 0:972874f31c98 82 };
iforce2d 0:972874f31c98 83
iforce2d 0:972874f31c98 84 static const uint8_t u8g_dev_st7565_64128n_data_start[] PROGMEM = {
iforce2d 0:972874f31c98 85 U8G_ESC_ADR(0), /* instruction mode */
iforce2d 0:972874f31c98 86 U8G_ESC_CS(1), /* enable chip */
iforce2d 0:972874f31c98 87 0x010, /* set upper 4 bit of the col adr to 0x10 */
iforce2d 0:972874f31c98 88 0x000, /* set lower 4 bit of the col adr to 0x00. Changed for DisplayTech 64128N */
iforce2d 0:972874f31c98 89 U8G_ESC_END /* end of sequence */
iforce2d 0:972874f31c98 90 };
iforce2d 0:972874f31c98 91
iforce2d 0:972874f31c98 92 static const uint8_t u8g_dev_st7565_64128n_sleep_on[] PROGMEM = {
iforce2d 0:972874f31c98 93 U8G_ESC_ADR(0), /* instruction mode */
iforce2d 0:972874f31c98 94 U8G_ESC_CS(1), /* enable chip */
iforce2d 0:972874f31c98 95 0x0ac, /* static indicator off */
iforce2d 0:972874f31c98 96 0x000, /* indicator register set (not sure if this is required) */
iforce2d 0:972874f31c98 97 0x0ae, /* display off */
iforce2d 0:972874f31c98 98 0x0a5, /* all points on */
iforce2d 0:972874f31c98 99 U8G_ESC_CS(1), /* disable chip */
iforce2d 0:972874f31c98 100 U8G_ESC_END /* end of sequence */
iforce2d 0:972874f31c98 101 };
iforce2d 0:972874f31c98 102
iforce2d 0:972874f31c98 103 static const uint8_t u8g_dev_st7565_64128n_sleep_off[] PROGMEM = {
iforce2d 0:972874f31c98 104 U8G_ESC_ADR(0), /* instruction mode */
iforce2d 0:972874f31c98 105 U8G_ESC_CS(1), /* enable chip */
iforce2d 0:972874f31c98 106 0x0a4, /* all points off */
iforce2d 0:972874f31c98 107 0x0af, /* display on */
iforce2d 0:972874f31c98 108 U8G_ESC_DLY(50), /* delay 50 ms */
iforce2d 0:972874f31c98 109 U8G_ESC_CS(1), /* disable chip */
iforce2d 0:972874f31c98 110 U8G_ESC_END /* end of sequence */
iforce2d 0:972874f31c98 111 };
iforce2d 0:972874f31c98 112
iforce2d 0:972874f31c98 113 uint8_t u8g_dev_st7565_64128n_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
iforce2d 0:972874f31c98 114 {
iforce2d 0:972874f31c98 115 switch(msg)
iforce2d 0:972874f31c98 116 {
iforce2d 0:972874f31c98 117 case U8G_DEV_MSG_INIT:
iforce2d 0:972874f31c98 118 u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_400NS);
iforce2d 0:972874f31c98 119 u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_init_seq);
iforce2d 0:972874f31c98 120 break;
iforce2d 0:972874f31c98 121 case U8G_DEV_MSG_STOP:
iforce2d 0:972874f31c98 122 break;
iforce2d 0:972874f31c98 123 case U8G_DEV_MSG_PAGE_NEXT:
iforce2d 0:972874f31c98 124 {
iforce2d 0:972874f31c98 125 u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
iforce2d 0:972874f31c98 126 u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_data_start);
iforce2d 0:972874f31c98 127 u8g_WriteByte(u8g, dev, 0x0b0 | pb->p.page); /* select current page (ST7565R) */
iforce2d 0:972874f31c98 128 u8g_SetAddress(u8g, dev, 1); /* data mode */
iforce2d 0:972874f31c98 129 if ( u8g_pb_WriteBuffer(pb, u8g, dev) == 0 )
iforce2d 0:972874f31c98 130 return 0;
iforce2d 0:972874f31c98 131 u8g_SetChipSelect(u8g, dev, 0);
iforce2d 0:972874f31c98 132 }
iforce2d 0:972874f31c98 133 break;
iforce2d 0:972874f31c98 134 case U8G_DEV_MSG_CONTRAST:
iforce2d 0:972874f31c98 135 u8g_SetChipSelect(u8g, dev, 1);
iforce2d 0:972874f31c98 136 u8g_SetAddress(u8g, dev, 0); /* instruction mode */
iforce2d 0:972874f31c98 137 u8g_WriteByte(u8g, dev, 0x081);
iforce2d 0:972874f31c98 138 u8g_WriteByte(u8g, dev, (*(uint8_t *)arg) >> 2);
iforce2d 0:972874f31c98 139 u8g_SetChipSelect(u8g, dev, 0);
iforce2d 0:972874f31c98 140 return 1;
iforce2d 0:972874f31c98 141 case U8G_DEV_MSG_SLEEP_ON:
iforce2d 0:972874f31c98 142 u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_sleep_on);
iforce2d 0:972874f31c98 143 return 1;
iforce2d 0:972874f31c98 144 case U8G_DEV_MSG_SLEEP_OFF:
iforce2d 0:972874f31c98 145 u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_sleep_off);
iforce2d 0:972874f31c98 146 return 1;
iforce2d 0:972874f31c98 147 }
iforce2d 0:972874f31c98 148 return u8g_dev_pb8v1_base_fn(u8g, dev, msg, arg);
iforce2d 0:972874f31c98 149 }
iforce2d 0:972874f31c98 150
iforce2d 0:972874f31c98 151 uint8_t u8g_dev_st7565_64128n_2x_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
iforce2d 0:972874f31c98 152 {
iforce2d 0:972874f31c98 153 switch(msg)
iforce2d 0:972874f31c98 154 {
iforce2d 0:972874f31c98 155 case U8G_DEV_MSG_INIT:
iforce2d 0:972874f31c98 156 u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_400NS);
iforce2d 0:972874f31c98 157 u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_init_seq);
iforce2d 0:972874f31c98 158 break;
iforce2d 0:972874f31c98 159 case U8G_DEV_MSG_STOP:
iforce2d 0:972874f31c98 160 break;
iforce2d 0:972874f31c98 161 case U8G_DEV_MSG_PAGE_NEXT:
iforce2d 0:972874f31c98 162 {
iforce2d 0:972874f31c98 163 u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
iforce2d 0:972874f31c98 164
iforce2d 0:972874f31c98 165 u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_data_start);
iforce2d 0:972874f31c98 166 u8g_WriteByte(u8g, dev, 0x0b0 | (2*pb->p.page)); /* select current page (ST7565R) */
iforce2d 0:972874f31c98 167 u8g_SetAddress(u8g, dev, 1); /* data mode */
iforce2d 0:972874f31c98 168 u8g_WriteSequence(u8g, dev, pb->width, pb->buf);
iforce2d 0:972874f31c98 169 u8g_SetChipSelect(u8g, dev, 0);
iforce2d 0:972874f31c98 170
iforce2d 0:972874f31c98 171 u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_data_start);
iforce2d 0:972874f31c98 172 u8g_WriteByte(u8g, dev, 0x0b0 | (2*pb->p.page+1)); /* select current page (ST7565R) */
iforce2d 0:972874f31c98 173 u8g_SetAddress(u8g, dev, 1); /* data mode */
iforce2d 0:972874f31c98 174 u8g_WriteSequence(u8g, dev, pb->width, (uint8_t *)(pb->buf)+pb->width);
iforce2d 0:972874f31c98 175 u8g_SetChipSelect(u8g, dev, 0);
iforce2d 0:972874f31c98 176 }
iforce2d 0:972874f31c98 177 break;
iforce2d 0:972874f31c98 178 case U8G_DEV_MSG_CONTRAST:
iforce2d 0:972874f31c98 179 u8g_SetChipSelect(u8g, dev, 1);
iforce2d 0:972874f31c98 180 u8g_SetAddress(u8g, dev, 0); /* instruction mode */
iforce2d 0:972874f31c98 181 u8g_WriteByte(u8g, dev, 0x081);
iforce2d 0:972874f31c98 182 u8g_WriteByte(u8g, dev, (*(uint8_t *)arg) >> 2);
iforce2d 0:972874f31c98 183 u8g_SetChipSelect(u8g, dev, 0);
iforce2d 0:972874f31c98 184 return 1;
iforce2d 0:972874f31c98 185 case U8G_DEV_MSG_SLEEP_ON:
iforce2d 0:972874f31c98 186 u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_sleep_on);
iforce2d 0:972874f31c98 187 return 1;
iforce2d 0:972874f31c98 188 case U8G_DEV_MSG_SLEEP_OFF:
iforce2d 0:972874f31c98 189 u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_sleep_off);
iforce2d 0:972874f31c98 190 return 1;
iforce2d 0:972874f31c98 191 }
iforce2d 0:972874f31c98 192 return u8g_dev_pb16v1_base_fn(u8g, dev, msg, arg);
iforce2d 0:972874f31c98 193 }
iforce2d 0:972874f31c98 194
iforce2d 0:972874f31c98 195 U8G_PB_DEV(u8g_dev_st7565_64128n_sw_spi, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_st7565_64128n_fn, U8G_COM_SW_SPI);
iforce2d 0:972874f31c98 196 U8G_PB_DEV(u8g_dev_st7565_64128n_hw_spi, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_st7565_64128n_fn, U8G_COM_HW_SPI);
iforce2d 0:972874f31c98 197 U8G_PB_DEV(u8g_dev_st7565_64128n_parallel, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_st7565_64128n_fn, U8G_COM_PARALLEL);
iforce2d 0:972874f31c98 198
iforce2d 0:972874f31c98 199 uint8_t u8g_dev_st7565_64128n_2x_buf[WIDTH*2] U8G_NOCOMMON ;
iforce2d 0:972874f31c98 200 u8g_pb_t u8g_dev_st7565_64128n_2x_pb = { {16, HEIGHT, 0, 0, 0}, WIDTH, u8g_dev_st7565_64128n_2x_buf};
iforce2d 0:972874f31c98 201 u8g_dev_t u8g_dev_st7565_64128n_2x_sw_spi = { u8g_dev_st7565_64128n_2x_fn, &u8g_dev_st7565_64128n_2x_pb, U8G_COM_SW_SPI };
iforce2d 0:972874f31c98 202 u8g_dev_t u8g_dev_st7565_64128n_2x_hw_spi = { u8g_dev_st7565_64128n_2x_fn, &u8g_dev_st7565_64128n_2x_pb, U8G_COM_HW_SPI };
iforce2d 0:972874f31c98 203 u8g_dev_t u8g_dev_st7565_64128n_2x_hw_parallel = { u8g_dev_st7565_64128n_2x_fn, &u8g_dev_st7565_64128n_2x_pb, U8G_COM_PARALLEL };
iforce2d 0:972874f31c98 204