iforce2d Chris
/
ubxDistanceMeter
Displays distance to start location on OLED screen.
u8g_pbxh16.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?
User | Revision | Line number | New contents of line |
---|---|---|---|
iforce2d | 0:972874f31c98 | 1 | /* |
iforce2d | 0:972874f31c98 | 2 | |
iforce2d | 0:972874f31c98 | 3 | u8g_pbxh16.c |
iforce2d | 0:972874f31c98 | 4 | |
iforce2d | 0:972874f31c98 | 5 | x lines per page, horizontal, 16 bits per pixel (hi color modes) |
iforce2d | 0:972874f31c98 | 6 | |
iforce2d | 0:972874f31c98 | 7 | Universal 8bit Graphics Library |
iforce2d | 0:972874f31c98 | 8 | |
iforce2d | 0:972874f31c98 | 9 | Copyright (c) 2013, olikraus@gmail.com |
iforce2d | 0:972874f31c98 | 10 | All rights reserved. |
iforce2d | 0:972874f31c98 | 11 | |
iforce2d | 0:972874f31c98 | 12 | Redistribution and use in source and binary forms, with or without modification, |
iforce2d | 0:972874f31c98 | 13 | are permitted provided that the following conditions are met: |
iforce2d | 0:972874f31c98 | 14 | |
iforce2d | 0:972874f31c98 | 15 | * Redistributions of source code must retain the above copyright notice, this list |
iforce2d | 0:972874f31c98 | 16 | of conditions and the following disclaimer. |
iforce2d | 0:972874f31c98 | 17 | |
iforce2d | 0:972874f31c98 | 18 | * Redistributions in binary form must reproduce the above copyright notice, this |
iforce2d | 0:972874f31c98 | 19 | list of conditions and the following disclaimer in the documentation and/or other |
iforce2d | 0:972874f31c98 | 20 | materials provided with the distribution. |
iforce2d | 0:972874f31c98 | 21 | |
iforce2d | 0:972874f31c98 | 22 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
iforce2d | 0:972874f31c98 | 23 | CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
iforce2d | 0:972874f31c98 | 24 | INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
iforce2d | 0:972874f31c98 | 25 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
iforce2d | 0:972874f31c98 | 26 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR |
iforce2d | 0:972874f31c98 | 27 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
iforce2d | 0:972874f31c98 | 28 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
iforce2d | 0:972874f31c98 | 29 | NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
iforce2d | 0:972874f31c98 | 30 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
iforce2d | 0:972874f31c98 | 31 | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
iforce2d | 0:972874f31c98 | 32 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
iforce2d | 0:972874f31c98 | 33 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
iforce2d | 0:972874f31c98 | 34 | ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
iforce2d | 0:972874f31c98 | 35 | |
iforce2d | 0:972874f31c98 | 36 | |
iforce2d | 0:972874f31c98 | 37 | struct _u8g_pb_t |
iforce2d | 0:972874f31c98 | 38 | { |
iforce2d | 0:972874f31c98 | 39 | u8g_page_t p; |
iforce2d | 0:972874f31c98 | 40 | u8g_uint_t width; |
iforce2d | 0:972874f31c98 | 41 | void *buf; |
iforce2d | 0:972874f31c98 | 42 | }; |
iforce2d | 0:972874f31c98 | 43 | typedef struct _u8g_pb_t u8g_pb_t; |
iforce2d | 0:972874f31c98 | 44 | |
iforce2d | 0:972874f31c98 | 45 | |
iforce2d | 0:972874f31c98 | 46 | uint8_t u8g_index_color_xh16_buf[2*WIDTH*PAGE_HEIGHT] U8G_NOCOMMON ; |
iforce2d | 0:972874f31c98 | 47 | u8g_pb_t u8g_index_color_xh16_pb = { {PAGE_HEIGHT, HEIGHT, 0, 0, 0}, WIDTH, u8g_index_color_xh16_buf}; |
iforce2d | 0:972874f31c98 | 48 | u8g_dev_t name = { dev_fn, &u8g_index_color_xh16_pb , com_fn } |
iforce2d | 0:972874f31c98 | 49 | |
iforce2d | 0:972874f31c98 | 50 | */ |
iforce2d | 0:972874f31c98 | 51 | |
iforce2d | 0:972874f31c98 | 52 | #include "u8g.h" |
iforce2d | 0:972874f31c98 | 53 | |
iforce2d | 0:972874f31c98 | 54 | /* |
iforce2d | 0:972874f31c98 | 55 | #define WIDTH_BITS 7 |
iforce2d | 0:972874f31c98 | 56 | #define WIDTH (1<<WIDTH_BITS) |
iforce2d | 0:972874f31c98 | 57 | #define PAGE_HEIGHT_BITS 3 |
iforce2d | 0:972874f31c98 | 58 | #define PAGE_HEIGHT (1<<PAGE_HEIGHT_BITS) |
iforce2d | 0:972874f31c98 | 59 | */ |
iforce2d | 0:972874f31c98 | 60 | |
iforce2d | 0:972874f31c98 | 61 | void u8g_pbxh16_Clear(u8g_pb_t *b) |
iforce2d | 0:972874f31c98 | 62 | { |
iforce2d | 0:972874f31c98 | 63 | uint8_t *ptr = (uint8_t *)b->buf; |
iforce2d | 0:972874f31c98 | 64 | uint8_t *end_ptr = ptr; |
iforce2d | 0:972874f31c98 | 65 | uint8_t cnt = b->p.page_height; |
iforce2d | 0:972874f31c98 | 66 | do |
iforce2d | 0:972874f31c98 | 67 | { |
iforce2d | 0:972874f31c98 | 68 | end_ptr += b->width*2; |
iforce2d | 0:972874f31c98 | 69 | cnt--; |
iforce2d | 0:972874f31c98 | 70 | } while( cnt > 0 ); |
iforce2d | 0:972874f31c98 | 71 | do |
iforce2d | 0:972874f31c98 | 72 | { |
iforce2d | 0:972874f31c98 | 73 | *ptr++ = 0; |
iforce2d | 0:972874f31c98 | 74 | } while( ptr != end_ptr ); |
iforce2d | 0:972874f31c98 | 75 | } |
iforce2d | 0:972874f31c98 | 76 | |
iforce2d | 0:972874f31c98 | 77 | |
iforce2d | 0:972874f31c98 | 78 | void u8g_pbxh16_Init(u8g_pb_t *b, void *buf, u8g_uint_t width) |
iforce2d | 0:972874f31c98 | 79 | { |
iforce2d | 0:972874f31c98 | 80 | b->buf = buf; |
iforce2d | 0:972874f31c98 | 81 | b->width = width; |
iforce2d | 0:972874f31c98 | 82 | u8g_pbxh16_Clear(b); |
iforce2d | 0:972874f31c98 | 83 | } |
iforce2d | 0:972874f31c98 | 84 | |
iforce2d | 0:972874f31c98 | 85 | static void u8g_pbxh16_set_pixel(u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y, uint8_t low, uint8_t high) |
iforce2d | 0:972874f31c98 | 86 | { |
iforce2d | 0:972874f31c98 | 87 | uint16_t tmp; |
iforce2d | 0:972874f31c98 | 88 | uint8_t *ptr = b->buf; |
iforce2d | 0:972874f31c98 | 89 | y -= b->p.page_y0; |
iforce2d | 0:972874f31c98 | 90 | tmp = y; |
iforce2d | 0:972874f31c98 | 91 | tmp *= b->width; |
iforce2d | 0:972874f31c98 | 92 | tmp += x; |
iforce2d | 0:972874f31c98 | 93 | tmp <<= 1; |
iforce2d | 0:972874f31c98 | 94 | ptr += tmp; |
iforce2d | 0:972874f31c98 | 95 | *ptr = low; |
iforce2d | 0:972874f31c98 | 96 | ptr++; |
iforce2d | 0:972874f31c98 | 97 | *ptr = high; |
iforce2d | 0:972874f31c98 | 98 | } |
iforce2d | 0:972874f31c98 | 99 | |
iforce2d | 0:972874f31c98 | 100 | void u8g_pbxh16_SetPixel(u8g_pb_t *b, const u8g_dev_arg_pixel_t * const arg_pixel) |
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_pbxh16_set_pixel(b, arg_pixel->x, arg_pixel->y, arg_pixel->color, arg_pixel->hi_color); |
iforce2d | 0:972874f31c98 | 109 | } |
iforce2d | 0:972874f31c98 | 110 | |
iforce2d | 0:972874f31c98 | 111 | |
iforce2d | 0:972874f31c98 | 112 | void u8g_pbxh16_Set8Pixel(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 | u8g_uint_t dx = 0; |
iforce2d | 0:972874f31c98 | 116 | u8g_uint_t dy = 0; |
iforce2d | 0:972874f31c98 | 117 | |
iforce2d | 0:972874f31c98 | 118 | switch( arg_pixel->dir ) |
iforce2d | 0:972874f31c98 | 119 | { |
iforce2d | 0:972874f31c98 | 120 | case 0: dx++; break; |
iforce2d | 0:972874f31c98 | 121 | case 1: dy++; break; |
iforce2d | 0:972874f31c98 | 122 | case 2: dx--; break; |
iforce2d | 0:972874f31c98 | 123 | case 3: dy--; break; |
iforce2d | 0:972874f31c98 | 124 | } |
iforce2d | 0:972874f31c98 | 125 | |
iforce2d | 0:972874f31c98 | 126 | do |
iforce2d | 0:972874f31c98 | 127 | { |
iforce2d | 0:972874f31c98 | 128 | if ( pixel & 128 ) |
iforce2d | 0:972874f31c98 | 129 | u8g_pbxh16_SetPixel(b, arg_pixel); |
iforce2d | 0:972874f31c98 | 130 | arg_pixel->x += dx; |
iforce2d | 0:972874f31c98 | 131 | arg_pixel->y += dy; |
iforce2d | 0:972874f31c98 | 132 | pixel <<= 1; |
iforce2d | 0:972874f31c98 | 133 | } while( pixel != 0 ); |
iforce2d | 0:972874f31c98 | 134 | } |
iforce2d | 0:972874f31c98 | 135 | |
iforce2d | 0:972874f31c98 | 136 | |
iforce2d | 0:972874f31c98 | 137 | uint8_t u8g_dev_pbxh16_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) |
iforce2d | 0:972874f31c98 | 138 | { |
iforce2d | 0:972874f31c98 | 139 | u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem); |
iforce2d | 0:972874f31c98 | 140 | switch(msg) |
iforce2d | 0:972874f31c98 | 141 | { |
iforce2d | 0:972874f31c98 | 142 | case U8G_DEV_MSG_SET_8PIXEL: |
iforce2d | 0:972874f31c98 | 143 | if ( u8g_pb_Is8PixelVisible(pb, (u8g_dev_arg_pixel_t *)arg) ) |
iforce2d | 0:972874f31c98 | 144 | u8g_pbxh16_Set8Pixel(pb, (u8g_dev_arg_pixel_t *)arg); |
iforce2d | 0:972874f31c98 | 145 | break; |
iforce2d | 0:972874f31c98 | 146 | case U8G_DEV_MSG_SET_PIXEL: |
iforce2d | 0:972874f31c98 | 147 | u8g_pbxh16_SetPixel(pb, (u8g_dev_arg_pixel_t *)arg); |
iforce2d | 0:972874f31c98 | 148 | break; |
iforce2d | 0:972874f31c98 | 149 | case U8G_DEV_MSG_INIT: |
iforce2d | 0:972874f31c98 | 150 | break; |
iforce2d | 0:972874f31c98 | 151 | case U8G_DEV_MSG_STOP: |
iforce2d | 0:972874f31c98 | 152 | break; |
iforce2d | 0:972874f31c98 | 153 | case U8G_DEV_MSG_PAGE_FIRST: |
iforce2d | 0:972874f31c98 | 154 | u8g_pbxh16_Clear(pb); |
iforce2d | 0:972874f31c98 | 155 | u8g_page_First(&(pb->p)); |
iforce2d | 0:972874f31c98 | 156 | break; |
iforce2d | 0:972874f31c98 | 157 | case U8G_DEV_MSG_PAGE_NEXT: |
iforce2d | 0:972874f31c98 | 158 | if ( u8g_page_Next(&(pb->p)) == 0 ) |
iforce2d | 0:972874f31c98 | 159 | return 0; |
iforce2d | 0:972874f31c98 | 160 | u8g_pbxh16_Clear(pb); |
iforce2d | 0:972874f31c98 | 161 | break; |
iforce2d | 0:972874f31c98 | 162 | #ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION |
iforce2d | 0:972874f31c98 | 163 | case U8G_DEV_MSG_IS_BBX_INTERSECTION: |
iforce2d | 0:972874f31c98 | 164 | return u8g_pb_IsIntersection(pb, (u8g_dev_arg_bbx_t *)arg); |
iforce2d | 0:972874f31c98 | 165 | #endif |
iforce2d | 0:972874f31c98 | 166 | case U8G_DEV_MSG_GET_PAGE_BOX: |
iforce2d | 0:972874f31c98 | 167 | u8g_pb_GetPageBox(pb, (u8g_box_t *)arg); |
iforce2d | 0:972874f31c98 | 168 | break; |
iforce2d | 0:972874f31c98 | 169 | case U8G_DEV_MSG_GET_WIDTH: |
iforce2d | 0:972874f31c98 | 170 | *((u8g_uint_t *)arg) = pb->width; |
iforce2d | 0:972874f31c98 | 171 | break; |
iforce2d | 0:972874f31c98 | 172 | case U8G_DEV_MSG_GET_HEIGHT: |
iforce2d | 0:972874f31c98 | 173 | *((u8g_uint_t *)arg) = pb->p.total_height; |
iforce2d | 0:972874f31c98 | 174 | break; |
iforce2d | 0:972874f31c98 | 175 | case U8G_DEV_MSG_SET_COLOR_ENTRY: |
iforce2d | 0:972874f31c98 | 176 | break; |
iforce2d | 0:972874f31c98 | 177 | case U8G_DEV_MSG_SET_XY_CB: |
iforce2d | 0:972874f31c98 | 178 | break; |
iforce2d | 0:972874f31c98 | 179 | case U8G_DEV_MSG_GET_MODE: |
iforce2d | 0:972874f31c98 | 180 | return U8G_MODE_HICOLOR; |
iforce2d | 0:972874f31c98 | 181 | } |
iforce2d | 0:972874f31c98 | 182 | return 1; |
iforce2d | 0:972874f31c98 | 183 | } |
iforce2d | 0:972874f31c98 | 184 | |
iforce2d | 0:972874f31c98 | 185 |