iforce2d Chris / Mbed 2 deprecated ubxDistanceMeter

Displays distance to start location on OLED screen.

Dependencies:   mbed

u8g_pb8h8.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_pb8h8.c
iforce2d 0:972874f31c98 4
iforce2d 0:972874f31c98 5 8 lines per page, horizontal, 8 bits per pixel
iforce2d 0:972874f31c98 6 (22 May 2013: might also support any number of lines --> needs to be checked)
iforce2d 0:972874f31c98 7
iforce2d 0:972874f31c98 8 Universal 8bit Graphics Library
iforce2d 0:972874f31c98 9
iforce2d 0:972874f31c98 10 Copyright (c) 2012, 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 struct _u8g_pb_t
iforce2d 0:972874f31c98 39 {
iforce2d 0:972874f31c98 40 u8g_page_t p;
iforce2d 0:972874f31c98 41 u8g_uint_t width;
iforce2d 0:972874f31c98 42 void *buf;
iforce2d 0:972874f31c98 43 };
iforce2d 0:972874f31c98 44 typedef struct _u8g_pb_t u8g_pb_t;
iforce2d 0:972874f31c98 45
iforce2d 0:972874f31c98 46
iforce2d 0:972874f31c98 47 uint8_t u8g_index_color_8h8_buf[WIDTH*PAGE_HEIGHT] U8G_NOCOMMON ;
iforce2d 0:972874f31c98 48 u8g_pb_t u8g_index_color_8h8_pb = { {PAGE_HEIGHT, HEIGHT, 0, 0, 0}, WIDTH, u8g_index_color_8h8_buff};
iforce2d 0:972874f31c98 49 u8g_dev_t name = { dev_fn, &u8g_index_color_8h8_pb, com_fn }
iforce2d 0:972874f31c98 50
iforce2d 0:972874f31c98 51 */
iforce2d 0:972874f31c98 52
iforce2d 0:972874f31c98 53 #include "u8g.h"
iforce2d 0:972874f31c98 54
iforce2d 0:972874f31c98 55 /*
iforce2d 0:972874f31c98 56 #define WIDTH_BITS 7
iforce2d 0:972874f31c98 57 #define WIDTH (1<<WIDTH_BITS)
iforce2d 0:972874f31c98 58 #define PAGE_HEIGHT_BITS 3
iforce2d 0:972874f31c98 59 #define PAGE_HEIGHT (1<<PAGE_HEIGHT_BITS)
iforce2d 0:972874f31c98 60 */
iforce2d 0:972874f31c98 61
iforce2d 0:972874f31c98 62 void u8g_pb8h8_Clear(u8g_pb_t *b)
iforce2d 0:972874f31c98 63 {
iforce2d 0:972874f31c98 64 uint8_t *ptr = (uint8_t *)b->buf;
iforce2d 0:972874f31c98 65 uint8_t *end_ptr = ptr;
iforce2d 0:972874f31c98 66 uint8_t cnt = b->p.page_height;
iforce2d 0:972874f31c98 67 end_ptr += b->width*cnt;
iforce2d 0:972874f31c98 68 /*
iforce2d 0:972874f31c98 69 do
iforce2d 0:972874f31c98 70 {
iforce2d 0:972874f31c98 71 end_ptr += b->width;
iforce2d 0:972874f31c98 72 cnt--;
iforce2d 0:972874f31c98 73 } while( cnt > 0 );
iforce2d 0:972874f31c98 74 */
iforce2d 0:972874f31c98 75 do
iforce2d 0:972874f31c98 76 {
iforce2d 0:972874f31c98 77 *ptr++ = 0;
iforce2d 0:972874f31c98 78 } while( ptr != end_ptr );
iforce2d 0:972874f31c98 79 }
iforce2d 0:972874f31c98 80
iforce2d 0:972874f31c98 81
iforce2d 0:972874f31c98 82 void u8g_pb8h8_Init(u8g_pb_t *b, void *buf, u8g_uint_t width)
iforce2d 0:972874f31c98 83 {
iforce2d 0:972874f31c98 84 b->buf = buf;
iforce2d 0:972874f31c98 85 b->width = width;
iforce2d 0:972874f31c98 86 u8g_pb8h8_Clear(b);
iforce2d 0:972874f31c98 87 }
iforce2d 0:972874f31c98 88
iforce2d 0:972874f31c98 89 static void u8g_pb8h8_set_pixel(u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y, uint8_t color_index)
iforce2d 0:972874f31c98 90 {
iforce2d 0:972874f31c98 91 uint16_t tmp;
iforce2d 0:972874f31c98 92 uint8_t *ptr = b->buf;
iforce2d 0:972874f31c98 93 y -= b->p.page_y0;
iforce2d 0:972874f31c98 94 tmp = y;
iforce2d 0:972874f31c98 95 tmp *= b->width;
iforce2d 0:972874f31c98 96 tmp += x;
iforce2d 0:972874f31c98 97 ptr += tmp;
iforce2d 0:972874f31c98 98 *ptr = color_index;
iforce2d 0:972874f31c98 99 }
iforce2d 0:972874f31c98 100
iforce2d 0:972874f31c98 101 void u8g_pb8h8_SetPixel(u8g_pb_t *b, const u8g_dev_arg_pixel_t * const arg_pixel)
iforce2d 0:972874f31c98 102 {
iforce2d 0:972874f31c98 103 if ( arg_pixel->y < b->p.page_y0 )
iforce2d 0:972874f31c98 104 return;
iforce2d 0:972874f31c98 105 if ( arg_pixel->y > b->p.page_y1 )
iforce2d 0:972874f31c98 106 return;
iforce2d 0:972874f31c98 107 if ( arg_pixel->x >= b->width )
iforce2d 0:972874f31c98 108 return;
iforce2d 0:972874f31c98 109 u8g_pb8h8_set_pixel(b, arg_pixel->x, arg_pixel->y, arg_pixel->color);
iforce2d 0:972874f31c98 110 }
iforce2d 0:972874f31c98 111
iforce2d 0:972874f31c98 112
iforce2d 0:972874f31c98 113 void u8g_pb8h8_Set8Pixel(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel)
iforce2d 0:972874f31c98 114 {
iforce2d 0:972874f31c98 115 register uint8_t pixel = arg_pixel->pixel;
iforce2d 0:972874f31c98 116 u8g_uint_t dx = 0;
iforce2d 0:972874f31c98 117 u8g_uint_t dy = 0;
iforce2d 0:972874f31c98 118
iforce2d 0:972874f31c98 119 switch( arg_pixel->dir )
iforce2d 0:972874f31c98 120 {
iforce2d 0:972874f31c98 121 case 0: dx++; break;
iforce2d 0:972874f31c98 122 case 1: dy++; break;
iforce2d 0:972874f31c98 123 case 2: dx--; break;
iforce2d 0:972874f31c98 124 case 3: dy--; break;
iforce2d 0:972874f31c98 125 }
iforce2d 0:972874f31c98 126
iforce2d 0:972874f31c98 127 do
iforce2d 0:972874f31c98 128 {
iforce2d 0:972874f31c98 129 if ( pixel & 128 )
iforce2d 0:972874f31c98 130 u8g_pb8h8_SetPixel(b, arg_pixel);
iforce2d 0:972874f31c98 131 arg_pixel->x += dx;
iforce2d 0:972874f31c98 132 arg_pixel->y += dy;
iforce2d 0:972874f31c98 133 pixel <<= 1;
iforce2d 0:972874f31c98 134 } while( pixel != 0 );
iforce2d 0:972874f31c98 135 }
iforce2d 0:972874f31c98 136
iforce2d 0:972874f31c98 137
iforce2d 0:972874f31c98 138 uint8_t u8g_dev_pb8h8_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
iforce2d 0:972874f31c98 139 {
iforce2d 0:972874f31c98 140 u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
iforce2d 0:972874f31c98 141 switch(msg)
iforce2d 0:972874f31c98 142 {
iforce2d 0:972874f31c98 143 case U8G_DEV_MSG_SET_8PIXEL:
iforce2d 0:972874f31c98 144 if ( u8g_pb_Is8PixelVisible(pb, (u8g_dev_arg_pixel_t *)arg) )
iforce2d 0:972874f31c98 145 u8g_pb8h8_Set8Pixel(pb, (u8g_dev_arg_pixel_t *)arg);
iforce2d 0:972874f31c98 146 break;
iforce2d 0:972874f31c98 147 case U8G_DEV_MSG_SET_PIXEL:
iforce2d 0:972874f31c98 148 u8g_pb8h8_SetPixel(pb, (u8g_dev_arg_pixel_t *)arg);
iforce2d 0:972874f31c98 149 break;
iforce2d 0:972874f31c98 150 case U8G_DEV_MSG_INIT:
iforce2d 0:972874f31c98 151 break;
iforce2d 0:972874f31c98 152 case U8G_DEV_MSG_STOP:
iforce2d 0:972874f31c98 153 break;
iforce2d 0:972874f31c98 154 case U8G_DEV_MSG_PAGE_FIRST:
iforce2d 0:972874f31c98 155 u8g_pb8h8_Clear(pb);
iforce2d 0:972874f31c98 156 u8g_page_First(&(pb->p));
iforce2d 0:972874f31c98 157 break;
iforce2d 0:972874f31c98 158 case U8G_DEV_MSG_PAGE_NEXT:
iforce2d 0:972874f31c98 159 if ( u8g_page_Next(&(pb->p)) == 0 )
iforce2d 0:972874f31c98 160 return 0;
iforce2d 0:972874f31c98 161 u8g_pb8h8_Clear(pb);
iforce2d 0:972874f31c98 162 break;
iforce2d 0:972874f31c98 163 #ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION
iforce2d 0:972874f31c98 164 case U8G_DEV_MSG_IS_BBX_INTERSECTION:
iforce2d 0:972874f31c98 165 return u8g_pb_IsIntersection(pb, (u8g_dev_arg_bbx_t *)arg);
iforce2d 0:972874f31c98 166 #endif
iforce2d 0:972874f31c98 167 case U8G_DEV_MSG_GET_PAGE_BOX:
iforce2d 0:972874f31c98 168 u8g_pb_GetPageBox(pb, (u8g_box_t *)arg);
iforce2d 0:972874f31c98 169 break;
iforce2d 0:972874f31c98 170 case U8G_DEV_MSG_GET_WIDTH:
iforce2d 0:972874f31c98 171 *((u8g_uint_t *)arg) = pb->width;
iforce2d 0:972874f31c98 172 break;
iforce2d 0:972874f31c98 173 case U8G_DEV_MSG_GET_HEIGHT:
iforce2d 0:972874f31c98 174 *((u8g_uint_t *)arg) = pb->p.total_height;
iforce2d 0:972874f31c98 175 break;
iforce2d 0:972874f31c98 176 case U8G_DEV_MSG_SET_COLOR_ENTRY:
iforce2d 0:972874f31c98 177 break;
iforce2d 0:972874f31c98 178 case U8G_DEV_MSG_SET_XY_CB:
iforce2d 0:972874f31c98 179 break;
iforce2d 0:972874f31c98 180 case U8G_DEV_MSG_GET_MODE:
iforce2d 0:972874f31c98 181 return U8G_MODE_R3G3B2;
iforce2d 0:972874f31c98 182 }
iforce2d 0:972874f31c98 183 return 1;
iforce2d 0:972874f31c98 184 }
iforce2d 0:972874f31c98 185
iforce2d 0:972874f31c98 186