iforce2d Chris / Mbed 2 deprecated ubxDistanceMeter

Displays distance to start location on OLED screen.

Dependencies:   mbed

u8g_pb16h2.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_pb16h2.c
iforce2d 0:972874f31c98 4
iforce2d 0:972874f31c98 5 2 bit per pixel page buffer
iforce2d 0:972874f31c98 6 byte has horizontal orientation
iforce2d 0:972874f31c98 7
iforce2d 0:972874f31c98 8 Universal 8bit Graphics Library
iforce2d 0:972874f31c98 9
iforce2d 0:972874f31c98 10 Copyright (c) 2011, olikraus@gmail.com
iforce2d 0:972874f31c98 11 All rights reserved.
iforce2d 0:972874f31c98 12
iforce2d 0:972874f31c98 13 Redistribution and use in source and binary forms, with or without modification,
iforce2d 0:972874f31c98 14 are permitted provided that the following conditions are met:
iforce2d 0:972874f31c98 15
iforce2d 0:972874f31c98 16 * Redistributions of source code must retain the above copyright notice, this list
iforce2d 0:972874f31c98 17 of conditions and the following disclaimer.
iforce2d 0:972874f31c98 18
iforce2d 0:972874f31c98 19 * Redistributions in binary form must reproduce the above copyright notice, this
iforce2d 0:972874f31c98 20 list of conditions and the following disclaimer in the documentation and/or other
iforce2d 0:972874f31c98 21 materials provided with the distribution.
iforce2d 0:972874f31c98 22
iforce2d 0:972874f31c98 23 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
iforce2d 0:972874f31c98 24 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
iforce2d 0:972874f31c98 25 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
iforce2d 0:972874f31c98 26 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
iforce2d 0:972874f31c98 27 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
iforce2d 0:972874f31c98 28 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
iforce2d 0:972874f31c98 29 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
iforce2d 0:972874f31c98 30 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
iforce2d 0:972874f31c98 31 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
iforce2d 0:972874f31c98 32 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
iforce2d 0:972874f31c98 33 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
iforce2d 0:972874f31c98 34 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
iforce2d 0:972874f31c98 35 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
iforce2d 0:972874f31c98 36
iforce2d 0:972874f31c98 37
iforce2d 0:972874f31c98 38 */
iforce2d 0:972874f31c98 39
iforce2d 0:972874f31c98 40 #include "u8g.h"
iforce2d 0:972874f31c98 41 #include <string.h>
iforce2d 0:972874f31c98 42
iforce2d 0:972874f31c98 43 void u8g_pb16h2_Clear(u8g_pb_t *b)
iforce2d 0:972874f31c98 44 {
iforce2d 0:972874f31c98 45 uint8_t *ptr = (uint8_t *)b->buf;
iforce2d 0:972874f31c98 46 uint8_t *end_ptr = ptr;
iforce2d 0:972874f31c98 47
iforce2d 0:972874f31c98 48 /* two bits per pixel, 16 bits height --> 8 pixel --> 4 pixel per byte */
iforce2d 0:972874f31c98 49 end_ptr += b->width;
iforce2d 0:972874f31c98 50 end_ptr += b->width;
iforce2d 0:972874f31c98 51
iforce2d 0:972874f31c98 52 do
iforce2d 0:972874f31c98 53 {
iforce2d 0:972874f31c98 54 *ptr++ = 0;
iforce2d 0:972874f31c98 55 } while( ptr != end_ptr );
iforce2d 0:972874f31c98 56 }
iforce2d 0:972874f31c98 57
iforce2d 0:972874f31c98 58 void u8g_pb16h2_Init(u8g_pb_t *b, void *buf, u8g_uint_t width)
iforce2d 0:972874f31c98 59 {
iforce2d 0:972874f31c98 60 b->buf = buf;
iforce2d 0:972874f31c98 61 b->width = width;
iforce2d 0:972874f31c98 62 u8g_pb16h2_Clear(b);
iforce2d 0:972874f31c98 63 }
iforce2d 0:972874f31c98 64
iforce2d 0:972874f31c98 65 static void u8g_pb16h2_set_pixel(u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y, uint8_t color_index, uint8_t is_or) U8G_NOINLINE;
iforce2d 0:972874f31c98 66 static void u8g_pb16h2_set_pixel(u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y, uint8_t color_index, uint8_t is_or)
iforce2d 0:972874f31c98 67 {
iforce2d 0:972874f31c98 68 register uint8_t mask;
iforce2d 0:972874f31c98 69 register uint16_t tmp;
iforce2d 0:972874f31c98 70
iforce2d 0:972874f31c98 71 uint8_t *ptr = b->buf;
iforce2d 0:972874f31c98 72
iforce2d 0:972874f31c98 73 y -= b->p.page_y0;
iforce2d 0:972874f31c98 74
iforce2d 0:972874f31c98 75 tmp = b->width;
iforce2d 0:972874f31c98 76 tmp >>= 2;
iforce2d 0:972874f31c98 77 tmp *= (uint8_t)y;
iforce2d 0:972874f31c98 78 ptr += tmp;
iforce2d 0:972874f31c98 79
iforce2d 0:972874f31c98 80 tmp = x;
iforce2d 0:972874f31c98 81 tmp >>= 2;
iforce2d 0:972874f31c98 82 ptr += tmp;
iforce2d 0:972874f31c98 83
iforce2d 0:972874f31c98 84 tmp = x;
iforce2d 0:972874f31c98 85 tmp &= 3;
iforce2d 0:972874f31c98 86 tmp <<= 1;
iforce2d 0:972874f31c98 87 if ( is_or == 0 )
iforce2d 0:972874f31c98 88 {
iforce2d 0:972874f31c98 89 mask = 3;
iforce2d 0:972874f31c98 90 mask <<= tmp;
iforce2d 0:972874f31c98 91 mask = ~mask;
iforce2d 0:972874f31c98 92 *ptr &= mask;
iforce2d 0:972874f31c98 93 }
iforce2d 0:972874f31c98 94 color_index &= 3;
iforce2d 0:972874f31c98 95 color_index <<= tmp;
iforce2d 0:972874f31c98 96 *ptr |= color_index;
iforce2d 0:972874f31c98 97 }
iforce2d 0:972874f31c98 98
iforce2d 0:972874f31c98 99
iforce2d 0:972874f31c98 100 void u8g_pb16h2_SetPixel(u8g_pb_t *b, const u8g_dev_arg_pixel_t * const arg_pixel, uint8_t is_or)
iforce2d 0:972874f31c98 101 {
iforce2d 0:972874f31c98 102 if ( arg_pixel->y < b->p.page_y0 )
iforce2d 0:972874f31c98 103 return;
iforce2d 0:972874f31c98 104 if ( arg_pixel->y > b->p.page_y1 )
iforce2d 0:972874f31c98 105 return;
iforce2d 0:972874f31c98 106 if ( arg_pixel->x >= b->width )
iforce2d 0:972874f31c98 107 return;
iforce2d 0:972874f31c98 108 u8g_pb16h2_set_pixel(b, arg_pixel->x, arg_pixel->y, arg_pixel->color, is_or);
iforce2d 0:972874f31c98 109 }
iforce2d 0:972874f31c98 110
iforce2d 0:972874f31c98 111
iforce2d 0:972874f31c98 112 void u8g_pb16h2_Set8PixelStd(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel)
iforce2d 0:972874f31c98 113 {
iforce2d 0:972874f31c98 114 register uint8_t pixel = arg_pixel->pixel;
iforce2d 0:972874f31c98 115 do
iforce2d 0:972874f31c98 116 {
iforce2d 0:972874f31c98 117 if ( pixel & 128 )
iforce2d 0:972874f31c98 118 {
iforce2d 0:972874f31c98 119 u8g_pb16h2_SetPixel(b, arg_pixel, 0);
iforce2d 0:972874f31c98 120 }
iforce2d 0:972874f31c98 121 switch( arg_pixel->dir )
iforce2d 0:972874f31c98 122 {
iforce2d 0:972874f31c98 123 case 0: arg_pixel->x++; break;
iforce2d 0:972874f31c98 124 case 1: arg_pixel->y++; break;
iforce2d 0:972874f31c98 125 case 2: arg_pixel->x--; break;
iforce2d 0:972874f31c98 126 case 3: arg_pixel->y--; break;
iforce2d 0:972874f31c98 127 }
iforce2d 0:972874f31c98 128 pixel <<= 1;
iforce2d 0:972874f31c98 129 } while( pixel != 0 );
iforce2d 0:972874f31c98 130 }
iforce2d 0:972874f31c98 131
iforce2d 0:972874f31c98 132 void u8g_pb16h2_Or4PixelStd(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel)
iforce2d 0:972874f31c98 133 {
iforce2d 0:972874f31c98 134 register uint8_t pixel = arg_pixel->pixel;
iforce2d 0:972874f31c98 135 do
iforce2d 0:972874f31c98 136 {
iforce2d 0:972874f31c98 137 arg_pixel->color = pixel & 0x0c0;
iforce2d 0:972874f31c98 138 arg_pixel->color >>= 6;
iforce2d 0:972874f31c98 139 u8g_pb16h2_SetPixel(b, arg_pixel, 1);
iforce2d 0:972874f31c98 140 switch( arg_pixel->dir )
iforce2d 0:972874f31c98 141 {
iforce2d 0:972874f31c98 142 case 0: arg_pixel->x++; break;
iforce2d 0:972874f31c98 143 case 1: arg_pixel->y++; break;
iforce2d 0:972874f31c98 144 case 2: arg_pixel->x--; break;
iforce2d 0:972874f31c98 145 case 3: arg_pixel->y--; break;
iforce2d 0:972874f31c98 146 }
iforce2d 0:972874f31c98 147 pixel <<= 2;
iforce2d 0:972874f31c98 148 } while( pixel != 0 );
iforce2d 0:972874f31c98 149 }
iforce2d 0:972874f31c98 150
iforce2d 0:972874f31c98 151
iforce2d 0:972874f31c98 152 uint8_t u8g_dev_pb16h2_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
iforce2d 0:972874f31c98 153 {
iforce2d 0:972874f31c98 154 u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
iforce2d 0:972874f31c98 155 switch(msg)
iforce2d 0:972874f31c98 156 {
iforce2d 0:972874f31c98 157 case U8G_DEV_MSG_SET_8PIXEL:
iforce2d 0:972874f31c98 158 if ( u8g_pb_Is8PixelVisible(pb, (u8g_dev_arg_pixel_t *)arg) )
iforce2d 0:972874f31c98 159 {
iforce2d 0:972874f31c98 160 u8g_pb16h2_Set8PixelStd(pb, (u8g_dev_arg_pixel_t *)arg);
iforce2d 0:972874f31c98 161 }
iforce2d 0:972874f31c98 162 break;
iforce2d 0:972874f31c98 163 case U8G_DEV_MSG_SET_PIXEL:
iforce2d 0:972874f31c98 164 u8g_pb16h2_SetPixel(pb, (u8g_dev_arg_pixel_t *)arg, 0);
iforce2d 0:972874f31c98 165 break;
iforce2d 0:972874f31c98 166 case U8G_DEV_MSG_SET_4TPIXEL:
iforce2d 0:972874f31c98 167 u8g_pb16h2_Or4PixelStd(pb, (u8g_dev_arg_pixel_t *)arg);
iforce2d 0:972874f31c98 168 break;
iforce2d 0:972874f31c98 169 case U8G_DEV_MSG_SET_TPIXEL:
iforce2d 0:972874f31c98 170 u8g_pb16h2_SetPixel(pb, (u8g_dev_arg_pixel_t *)arg, 1);
iforce2d 0:972874f31c98 171 break;
iforce2d 0:972874f31c98 172 case U8G_DEV_MSG_INIT:
iforce2d 0:972874f31c98 173 break;
iforce2d 0:972874f31c98 174 case U8G_DEV_MSG_STOP:
iforce2d 0:972874f31c98 175 break;
iforce2d 0:972874f31c98 176 case U8G_DEV_MSG_PAGE_FIRST:
iforce2d 0:972874f31c98 177 u8g_page_First(&(pb->p));
iforce2d 0:972874f31c98 178 u8g_pb16h2_Clear(pb);
iforce2d 0:972874f31c98 179 break;
iforce2d 0:972874f31c98 180 case U8G_DEV_MSG_PAGE_NEXT:
iforce2d 0:972874f31c98 181 if ( u8g_page_Next(&(pb->p)) == 0 )
iforce2d 0:972874f31c98 182 return 0;
iforce2d 0:972874f31c98 183 u8g_pb16h2_Clear(pb);
iforce2d 0:972874f31c98 184 break;
iforce2d 0:972874f31c98 185 #ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION
iforce2d 0:972874f31c98 186 case U8G_DEV_MSG_IS_BBX_INTERSECTION:
iforce2d 0:972874f31c98 187 return u8g_pb_IsIntersection(pb, (u8g_dev_arg_bbx_t *)arg);
iforce2d 0:972874f31c98 188 #endif
iforce2d 0:972874f31c98 189 case U8G_DEV_MSG_GET_PAGE_BOX:
iforce2d 0:972874f31c98 190 u8g_pb_GetPageBox(pb, (u8g_box_t *)arg);
iforce2d 0:972874f31c98 191 break;
iforce2d 0:972874f31c98 192 case U8G_DEV_MSG_GET_WIDTH:
iforce2d 0:972874f31c98 193 *((u8g_uint_t *)arg) = pb->width;
iforce2d 0:972874f31c98 194 break;
iforce2d 0:972874f31c98 195 case U8G_DEV_MSG_GET_HEIGHT:
iforce2d 0:972874f31c98 196 *((u8g_uint_t *)arg) = pb->p.total_height;
iforce2d 0:972874f31c98 197 break;
iforce2d 0:972874f31c98 198 case U8G_DEV_MSG_SET_COLOR_ENTRY:
iforce2d 0:972874f31c98 199 break;
iforce2d 0:972874f31c98 200 case U8G_DEV_MSG_SET_XY_CB:
iforce2d 0:972874f31c98 201 break;
iforce2d 0:972874f31c98 202 case U8G_DEV_MSG_GET_MODE:
iforce2d 0:972874f31c98 203 return U8G_MODE_GRAY2BIT;
iforce2d 0:972874f31c98 204 }
iforce2d 0:972874f31c98 205 return 1;
iforce2d 0:972874f31c98 206 }
iforce2d 0:972874f31c98 207
iforce2d 0:972874f31c98 208
iforce2d 0:972874f31c98 209