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_ssd1309_128x64.c
iforce2d 0:972874f31c98 4
iforce2d 0:972874f31c98 5 Universal 8bit Graphics Library
iforce2d 0:972874f31c98 6
iforce2d 0:972874f31c98 7 Copyright (c) 2012, 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
iforce2d 0:972874f31c98 44 /* ssd1309 ini sequence*/
iforce2d 0:972874f31c98 45 static const uint8_t u8g_dev_ssd1309_128x64_init_seq[] PROGMEM={
iforce2d 0:972874f31c98 46 U8G_ESC_CS(0), /* disable chip */
iforce2d 0:972874f31c98 47 U8G_ESC_ADR(0), /* instruction mode */
iforce2d 0:972874f31c98 48 U8G_ESC_RST(1), /* do reset low pulse with (1*16)+2 milliseconds */
iforce2d 0:972874f31c98 49 U8G_ESC_CS(1), /* enable chip */
iforce2d 0:972874f31c98 50
iforce2d 0:972874f31c98 51 0xfd,0x12, /*Command Lock */
iforce2d 0:972874f31c98 52 0xae, /*Set Display Off */
iforce2d 0:972874f31c98 53 0xd5,0xa0, /*set Display Clock Divide Ratio/Oscillator Frequency */
iforce2d 0:972874f31c98 54 0xa8,0x3f, /*Set Multiplex Ratio */
iforce2d 0:972874f31c98 55 0x3d,0x00, /*Set Display Offset*/
iforce2d 0:972874f31c98 56 0x40, /*Set Display Start Line*/
iforce2d 0:972874f31c98 57 0xa1, /*Set Segment Re-Map*/
iforce2d 0:972874f31c98 58 0xc8, /*Set COM Output Scan Direction*/
iforce2d 0:972874f31c98 59 0xda,0x12, /*Set COM Pins Hardware Configuration*/
iforce2d 0:972874f31c98 60 0x81,0xdf, /*Set Current Control */
iforce2d 0:972874f31c98 61 0xd9,0x82, /*Set Pre-Charge Period */
iforce2d 0:972874f31c98 62 0xdb,0x34, /*Set VCOMH Deselect Level */
iforce2d 0:972874f31c98 63 0xa4, /*Set Entire Display On/Off */
iforce2d 0:972874f31c98 64 0xa6, /*Set Normal/Inverse Display*/
iforce2d 0:972874f31c98 65 U8G_ESC_VCC(1), /*Power up VCC & Stabilized */
iforce2d 0:972874f31c98 66 U8G_ESC_DLY(50),
iforce2d 0:972874f31c98 67 0xaf, /*Set Display On */
iforce2d 0:972874f31c98 68 U8G_ESC_DLY(50),
iforce2d 0:972874f31c98 69 U8G_ESC_CS(0), /* disable chip */
iforce2d 0:972874f31c98 70 U8G_ESC_END /* end of sequence */
iforce2d 0:972874f31c98 71 };
iforce2d 0:972874f31c98 72
iforce2d 0:972874f31c98 73 /* select one init sequence here */
iforce2d 0:972874f31c98 74 #define u8g_dev_ssd1309_128x64_init_seq u8g_dev_ssd1309_128x64_init_seq
iforce2d 0:972874f31c98 75
iforce2d 0:972874f31c98 76
iforce2d 0:972874f31c98 77 static const uint8_t u8g_dev_ssd1309_128x64_data_start[] PROGMEM = {
iforce2d 0:972874f31c98 78 U8G_ESC_ADR(0), /* instruction mode */
iforce2d 0:972874f31c98 79 U8G_ESC_CS(1), /* enable chip */
iforce2d 0:972874f31c98 80 0x010, /* set upper 4 bit of the col adr to 0 */
iforce2d 0:972874f31c98 81 0x000, /* set lower 4 bit of the col adr to 4 */
iforce2d 0:972874f31c98 82 U8G_ESC_END /* end of sequence */
iforce2d 0:972874f31c98 83 };
iforce2d 0:972874f31c98 84
iforce2d 0:972874f31c98 85 static const uint8_t u8g_dev_ssd13xx_sleep_on[] PROGMEM = {
iforce2d 0:972874f31c98 86 U8G_ESC_ADR(0), /* instruction mode */
iforce2d 0:972874f31c98 87 U8G_ESC_CS(1), /* enable chip */
iforce2d 0:972874f31c98 88 0x0ae, /* display off */
iforce2d 0:972874f31c98 89 U8G_ESC_CS(1), /* disable chip */
iforce2d 0:972874f31c98 90 U8G_ESC_END /* end of sequence */
iforce2d 0:972874f31c98 91 };
iforce2d 0:972874f31c98 92
iforce2d 0:972874f31c98 93 static const uint8_t u8g_dev_ssd13xx_sleep_off[] PROGMEM = {
iforce2d 0:972874f31c98 94 U8G_ESC_ADR(0), /* instruction mode */
iforce2d 0:972874f31c98 95 U8G_ESC_CS(1), /* enable chip */
iforce2d 0:972874f31c98 96 0x0af, /* display on */
iforce2d 0:972874f31c98 97 U8G_ESC_DLY(50), /* delay 50 ms */
iforce2d 0:972874f31c98 98 U8G_ESC_CS(1), /* disable chip */
iforce2d 0:972874f31c98 99 U8G_ESC_END /* end of sequence */
iforce2d 0:972874f31c98 100 };
iforce2d 0:972874f31c98 101
iforce2d 0:972874f31c98 102 uint8_t u8g_dev_ssd1309_128x64_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
iforce2d 0:972874f31c98 103 {
iforce2d 0:972874f31c98 104 switch(msg)
iforce2d 0:972874f31c98 105 {
iforce2d 0:972874f31c98 106 case U8G_DEV_MSG_INIT:
iforce2d 0:972874f31c98 107 u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_300NS);
iforce2d 0:972874f31c98 108 u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd1309_128x64_init_seq);
iforce2d 0:972874f31c98 109 break;
iforce2d 0:972874f31c98 110 case U8G_DEV_MSG_STOP:
iforce2d 0:972874f31c98 111 break;
iforce2d 0:972874f31c98 112 case U8G_DEV_MSG_PAGE_NEXT:
iforce2d 0:972874f31c98 113 {
iforce2d 0:972874f31c98 114 u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
iforce2d 0:972874f31c98 115 u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd1309_128x64_data_start);
iforce2d 0:972874f31c98 116 u8g_WriteByte(u8g, dev, 0x0b0 | pb->p.page); /* select current page (SSD1306) */
iforce2d 0:972874f31c98 117 u8g_SetAddress(u8g, dev, 1); /* data mode */
iforce2d 0:972874f31c98 118 if ( u8g_pb_WriteBuffer(pb, u8g, dev) == 0 )
iforce2d 0:972874f31c98 119 return 0;
iforce2d 0:972874f31c98 120 u8g_SetChipSelect(u8g, dev, 0);
iforce2d 0:972874f31c98 121 }
iforce2d 0:972874f31c98 122 break;
iforce2d 0:972874f31c98 123 case U8G_DEV_MSG_CONTRAST:
iforce2d 0:972874f31c98 124 u8g_SetChipSelect(u8g, dev, 1);
iforce2d 0:972874f31c98 125 u8g_SetAddress(u8g, dev, 0); /* instruction mode */
iforce2d 0:972874f31c98 126 u8g_WriteByte(u8g, dev, 0x081);
iforce2d 0:972874f31c98 127 u8g_WriteByte(u8g, dev, (*(uint8_t *)arg) >> 2);
iforce2d 0:972874f31c98 128 u8g_SetChipSelect(u8g, dev, 0);
iforce2d 0:972874f31c98 129 return 1;
iforce2d 0:972874f31c98 130 case U8G_DEV_MSG_SLEEP_ON:
iforce2d 0:972874f31c98 131 u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd13xx_sleep_on);
iforce2d 0:972874f31c98 132 return 1;
iforce2d 0:972874f31c98 133 case U8G_DEV_MSG_SLEEP_OFF:
iforce2d 0:972874f31c98 134 u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd13xx_sleep_off);
iforce2d 0:972874f31c98 135 return 1;
iforce2d 0:972874f31c98 136 }
iforce2d 0:972874f31c98 137 return u8g_dev_pb8v1_base_fn(u8g, dev, msg, arg);
iforce2d 0:972874f31c98 138 }
iforce2d 0:972874f31c98 139
iforce2d 0:972874f31c98 140 U8G_PB_DEV(u8g_dev_ssd1309_128x64_hw_spi, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_ssd1309_128x64_fn, U8G_COM_HW_SPI);
iforce2d 0:972874f31c98 141 U8G_PB_DEV(u8g_dev_ssd1309_128x64_sw_spi, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_ssd1309_128x64_fn, U8G_COM_SW_SPI);
iforce2d 0:972874f31c98 142 U8G_PB_DEV(u8g_dev_ssd1309_128x64_i2c, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_ssd1309_128x64_fn, U8G_COM_SSD_I2C);
iforce2d 0:972874f31c98 143
iforce2d 0:972874f31c98 144