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_pb8h1.c
iforce2d 0:972874f31c98 4
iforce2d 0:972874f31c98 5 8bit height monochrom (1 bit) 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 total buffer size is limited to 256 bytes because of the calculation inside the set pixel procedure
iforce2d 0:972874f31c98 39
iforce2d 0:972874f31c98 40 23. Sep 2012: Bug with down procedure, see FPS 1st page --> fixed (bug located in u8g_clip.c)
iforce2d 0:972874f31c98 41
iforce2d 0:972874f31c98 42 */
iforce2d 0:972874f31c98 43
iforce2d 0:972874f31c98 44 #include "u8g.h"
iforce2d 0:972874f31c98 45 #include <string.h>
iforce2d 0:972874f31c98 46
iforce2d 0:972874f31c98 47 #ifdef __unix__
iforce2d 0:972874f31c98 48 #include <assert.h>
iforce2d 0:972874f31c98 49 #endif
iforce2d 0:972874f31c98 50
iforce2d 0:972874f31c98 51 /* NEW_CODE disabled, because the performance increase was too slow and not worth compared */
iforce2d 0:972874f31c98 52 /* to the increase of code size */
iforce2d 0:972874f31c98 53 /* #define NEW_CODE */
iforce2d 0:972874f31c98 54
iforce2d 0:972874f31c98 55 #ifdef __unix__
iforce2d 0:972874f31c98 56 void *u8g_buf_lower_limit;
iforce2d 0:972874f31c98 57 void *u8g_buf_upper_limit;
iforce2d 0:972874f31c98 58 #endif
iforce2d 0:972874f31c98 59
iforce2d 0:972874f31c98 60 void u8g_pb8h1_Init(u8g_pb_t *b, void *buf, u8g_uint_t width) U8G_NOINLINE;
iforce2d 0:972874f31c98 61 void u8g_pb8h1_set_pixel(u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y, uint8_t color_index) U8G_NOINLINE;
iforce2d 0:972874f31c98 62 void u8g_pb8h1_SetPixel(u8g_pb_t *b, const u8g_dev_arg_pixel_t * const arg_pixel) U8G_NOINLINE ;
iforce2d 0:972874f31c98 63 void u8g_pb8h1_Set8PixelStd(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel) U8G_NOINLINE;
iforce2d 0:972874f31c98 64 uint8_t u8g_dev_pb8h1_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
iforce2d 0:972874f31c98 65
iforce2d 0:972874f31c98 66
iforce2d 0:972874f31c98 67 #ifdef NEW_CODE
iforce2d 0:972874f31c98 68 struct u8g_pb_h1_struct
iforce2d 0:972874f31c98 69 {
iforce2d 0:972874f31c98 70 u8g_uint_t x;
iforce2d 0:972874f31c98 71 u8g_uint_t y;
iforce2d 0:972874f31c98 72 uint8_t *ptr;
iforce2d 0:972874f31c98 73 uint8_t mask;
iforce2d 0:972874f31c98 74 uint8_t line_byte_len;
iforce2d 0:972874f31c98 75 uint8_t cnt;
iforce2d 0:972874f31c98 76 };
iforce2d 0:972874f31c98 77
iforce2d 0:972874f31c98 78 static uint8_t u8g_pb8h1_bitmask[8] = { 0x080, 0x040, 0x020, 0x010, 0x008, 0x004, 0x002, 0x001 };
iforce2d 0:972874f31c98 79
iforce2d 0:972874f31c98 80 static void u8g_pb8h1_state_right(struct u8g_pb_h1_struct *s) U8G_NOINLINE;
iforce2d 0:972874f31c98 81 static void u8g_pb8h1_state_right(struct u8g_pb_h1_struct *s)
iforce2d 0:972874f31c98 82 {
iforce2d 0:972874f31c98 83 register u8g_uint_t x;
iforce2d 0:972874f31c98 84 x = s->x;
iforce2d 0:972874f31c98 85 x++;
iforce2d 0:972874f31c98 86 s->x = x;
iforce2d 0:972874f31c98 87 x &= 7;
iforce2d 0:972874f31c98 88 s->mask = u8g_pb8h1_bitmask[x];
iforce2d 0:972874f31c98 89 if ( x == 0 )
iforce2d 0:972874f31c98 90 s->ptr++;
iforce2d 0:972874f31c98 91 }
iforce2d 0:972874f31c98 92
iforce2d 0:972874f31c98 93 static void u8g_pb8h1_state_left(struct u8g_pb_h1_struct *s)
iforce2d 0:972874f31c98 94 {
iforce2d 0:972874f31c98 95 register u8g_uint_t x;
iforce2d 0:972874f31c98 96 x = s->x;
iforce2d 0:972874f31c98 97 x--;
iforce2d 0:972874f31c98 98 s->x = x;
iforce2d 0:972874f31c98 99 x &= 7;
iforce2d 0:972874f31c98 100 s->mask = u8g_pb8h1_bitmask[x];
iforce2d 0:972874f31c98 101 if ( x == 7 )
iforce2d 0:972874f31c98 102 s->ptr--;
iforce2d 0:972874f31c98 103 }
iforce2d 0:972874f31c98 104
iforce2d 0:972874f31c98 105 static void u8g_pb8h1_state_down(struct u8g_pb_h1_struct *s)
iforce2d 0:972874f31c98 106 {
iforce2d 0:972874f31c98 107 s->y++;
iforce2d 0:972874f31c98 108 s->ptr += s->line_byte_len;
iforce2d 0:972874f31c98 109 }
iforce2d 0:972874f31c98 110
iforce2d 0:972874f31c98 111 static void u8g_pb8h1_state_up(struct u8g_pb_h1_struct *s)
iforce2d 0:972874f31c98 112 {
iforce2d 0:972874f31c98 113 s->y--;
iforce2d 0:972874f31c98 114 s->ptr -= s->line_byte_len;
iforce2d 0:972874f31c98 115 }
iforce2d 0:972874f31c98 116
iforce2d 0:972874f31c98 117 static void u8g_pb8h1_state_init(struct u8g_pb_h1_struct *s, u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y) U8G_NOINLINE;
iforce2d 0:972874f31c98 118 static void u8g_pb8h1_state_init(struct u8g_pb_h1_struct *s, u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y)
iforce2d 0:972874f31c98 119 {
iforce2d 0:972874f31c98 120 u8g_uint_t tmp;
iforce2d 0:972874f31c98 121
iforce2d 0:972874f31c98 122 uint8_t *ptr = b->buf;
iforce2d 0:972874f31c98 123
iforce2d 0:972874f31c98 124 s->x = x;
iforce2d 0:972874f31c98 125 s->y = y;
iforce2d 0:972874f31c98 126
iforce2d 0:972874f31c98 127 y -= b->p.page_y0;
iforce2d 0:972874f31c98 128
iforce2d 0:972874f31c98 129 tmp = b->width;
iforce2d 0:972874f31c98 130 tmp >>= 3;
iforce2d 0:972874f31c98 131 s->line_byte_len = tmp;
iforce2d 0:972874f31c98 132
iforce2d 0:972874f31c98 133 /* assume negative y values, can be down to -7, subtract this from the pointer and add correction of 8 to y */
iforce2d 0:972874f31c98 134 ptr -= tmp*8;
iforce2d 0:972874f31c98 135 y+=8;
iforce2d 0:972874f31c98 136 /* it is important that the result of tmp*y can be 16 bit value also for 8 bit mode */
iforce2d 0:972874f31c98 137 ptr += tmp*y;
iforce2d 0:972874f31c98 138
iforce2d 0:972874f31c98 139 s->mask = u8g_pb8h1_bitmask[x & 7];
iforce2d 0:972874f31c98 140
iforce2d 0:972874f31c98 141 /* assume negative x values (to -7), subtract 8 pixel from the pointer and add 8 to x */
iforce2d 0:972874f31c98 142 ptr--;
iforce2d 0:972874f31c98 143 x += 8;
iforce2d 0:972874f31c98 144 x >>= 3;
iforce2d 0:972874f31c98 145 ptr += x;
iforce2d 0:972874f31c98 146 s->ptr = ptr;
iforce2d 0:972874f31c98 147 }
iforce2d 0:972874f31c98 148
iforce2d 0:972874f31c98 149 static void u8g_pb8h1_state_set_pixel(struct u8g_pb_h1_struct *s, uint8_t color_index) U8G_NOINLINE;
iforce2d 0:972874f31c98 150 static void u8g_pb8h1_state_set_pixel(struct u8g_pb_h1_struct *s, uint8_t color_index)
iforce2d 0:972874f31c98 151 {
iforce2d 0:972874f31c98 152
iforce2d 0:972874f31c98 153 #ifdef __unix__
iforce2d 0:972874f31c98 154 assert( s->ptr >= u8g_buf_lower_limit );
iforce2d 0:972874f31c98 155 assert( s->ptr < u8g_buf_upper_limit );
iforce2d 0:972874f31c98 156 #endif
iforce2d 0:972874f31c98 157
iforce2d 0:972874f31c98 158 if ( color_index )
iforce2d 0:972874f31c98 159 {
iforce2d 0:972874f31c98 160 *s->ptr |= s->mask;
iforce2d 0:972874f31c98 161 }
iforce2d 0:972874f31c98 162 else
iforce2d 0:972874f31c98 163 {
iforce2d 0:972874f31c98 164 uint8_t mask = s->mask;
iforce2d 0:972874f31c98 165 mask ^=0xff;
iforce2d 0:972874f31c98 166 *s->ptr &= mask;
iforce2d 0:972874f31c98 167 }
iforce2d 0:972874f31c98 168 }
iforce2d 0:972874f31c98 169 #endif
iforce2d 0:972874f31c98 170
iforce2d 0:972874f31c98 171
iforce2d 0:972874f31c98 172 void u8g_pb8h1_Init(u8g_pb_t *b, void *buf, u8g_uint_t width)
iforce2d 0:972874f31c98 173 {
iforce2d 0:972874f31c98 174 b->buf = buf;
iforce2d 0:972874f31c98 175 b->width = width;
iforce2d 0:972874f31c98 176 u8g_pb_Clear(b);
iforce2d 0:972874f31c98 177 }
iforce2d 0:972874f31c98 178
iforce2d 0:972874f31c98 179 /* limitation: total buffer must not exceed 256 bytes */
iforce2d 0:972874f31c98 180 void u8g_pb8h1_set_pixel(u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y, uint8_t color_index)
iforce2d 0:972874f31c98 181 {
iforce2d 0:972874f31c98 182 #ifdef NEW_CODE
iforce2d 0:972874f31c98 183 struct u8g_pb_h1_struct s;
iforce2d 0:972874f31c98 184 u8g_pb8h1_state_init(&s, b, x, y);
iforce2d 0:972874f31c98 185 u8g_pb8h1_state_set_pixel(&s, color_index);
iforce2d 0:972874f31c98 186
iforce2d 0:972874f31c98 187 // u8g_pb8h1_state_up(&s);
iforce2d 0:972874f31c98 188 // if ( s.y > b->p.page_y1 )
iforce2d 0:972874f31c98 189 // return;
iforce2d 0:972874f31c98 190 // if ( s.x > b->width )
iforce2d 0:972874f31c98 191 // return;
iforce2d 0:972874f31c98 192 // u8g_pb8h1_state_set_pixel(&s, color_index);
iforce2d 0:972874f31c98 193 #else
iforce2d 0:972874f31c98 194 register uint8_t mask;
iforce2d 0:972874f31c98 195 u8g_uint_t tmp;
iforce2d 0:972874f31c98 196 uint8_t *ptr = b->buf;
iforce2d 0:972874f31c98 197
iforce2d 0:972874f31c98 198 y -= b->p.page_y0;
iforce2d 0:972874f31c98 199 tmp = b->width;
iforce2d 0:972874f31c98 200 tmp >>= 3;
iforce2d 0:972874f31c98 201 tmp *= (uint8_t)y;
iforce2d 0:972874f31c98 202 ptr += tmp;
iforce2d 0:972874f31c98 203
iforce2d 0:972874f31c98 204 mask = 0x080;
iforce2d 0:972874f31c98 205 mask >>= x & 7;
iforce2d 0:972874f31c98 206 x >>= 3;
iforce2d 0:972874f31c98 207 ptr += x;
iforce2d 0:972874f31c98 208 if ( color_index )
iforce2d 0:972874f31c98 209 {
iforce2d 0:972874f31c98 210 *ptr |= mask;
iforce2d 0:972874f31c98 211 }
iforce2d 0:972874f31c98 212 else
iforce2d 0:972874f31c98 213 {
iforce2d 0:972874f31c98 214 mask ^=0xff;
iforce2d 0:972874f31c98 215 *ptr &= mask;
iforce2d 0:972874f31c98 216 }
iforce2d 0:972874f31c98 217 #endif
iforce2d 0:972874f31c98 218 }
iforce2d 0:972874f31c98 219
iforce2d 0:972874f31c98 220
iforce2d 0:972874f31c98 221 void u8g_pb8h1_SetPixel(u8g_pb_t *b, const u8g_dev_arg_pixel_t * const arg_pixel)
iforce2d 0:972874f31c98 222 {
iforce2d 0:972874f31c98 223 if ( arg_pixel->y < b->p.page_y0 )
iforce2d 0:972874f31c98 224 return;
iforce2d 0:972874f31c98 225 if ( arg_pixel->y > b->p.page_y1 )
iforce2d 0:972874f31c98 226 return;
iforce2d 0:972874f31c98 227 if ( arg_pixel->x >= b->width )
iforce2d 0:972874f31c98 228 return;
iforce2d 0:972874f31c98 229 u8g_pb8h1_set_pixel(b, arg_pixel->x, arg_pixel->y, arg_pixel->color);
iforce2d 0:972874f31c98 230 }
iforce2d 0:972874f31c98 231
iforce2d 0:972874f31c98 232 void u8g_pb8h1_Set8PixelStd(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel)
iforce2d 0:972874f31c98 233 {
iforce2d 0:972874f31c98 234 register uint8_t pixel = arg_pixel->pixel;
iforce2d 0:972874f31c98 235 do
iforce2d 0:972874f31c98 236 {
iforce2d 0:972874f31c98 237 if ( pixel & 128 )
iforce2d 0:972874f31c98 238 {
iforce2d 0:972874f31c98 239 u8g_pb8h1_SetPixel(b, arg_pixel);
iforce2d 0:972874f31c98 240 }
iforce2d 0:972874f31c98 241 switch( arg_pixel->dir )
iforce2d 0:972874f31c98 242 {
iforce2d 0:972874f31c98 243 case 0: arg_pixel->x++; break;
iforce2d 0:972874f31c98 244 case 1: arg_pixel->y++; break;
iforce2d 0:972874f31c98 245 case 2: arg_pixel->x--; break;
iforce2d 0:972874f31c98 246 case 3: arg_pixel->y--; break;
iforce2d 0:972874f31c98 247 }
iforce2d 0:972874f31c98 248 pixel <<= 1;
iforce2d 0:972874f31c98 249 } while( pixel != 0 );
iforce2d 0:972874f31c98 250 }
iforce2d 0:972874f31c98 251
iforce2d 0:972874f31c98 252 void u8g_pb8h1_Set8PixelOpt2(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel)
iforce2d 0:972874f31c98 253 {
iforce2d 0:972874f31c98 254 register uint8_t pixel = arg_pixel->pixel;
iforce2d 0:972874f31c98 255 u8g_uint_t dx = 0;
iforce2d 0:972874f31c98 256 u8g_uint_t dy = 0;
iforce2d 0:972874f31c98 257
iforce2d 0:972874f31c98 258 switch( arg_pixel->dir )
iforce2d 0:972874f31c98 259 {
iforce2d 0:972874f31c98 260 case 0: dx++; break;
iforce2d 0:972874f31c98 261 case 1: dy++; break;
iforce2d 0:972874f31c98 262 case 2: dx--; break;
iforce2d 0:972874f31c98 263 case 3: dy--; break;
iforce2d 0:972874f31c98 264 }
iforce2d 0:972874f31c98 265
iforce2d 0:972874f31c98 266 do
iforce2d 0:972874f31c98 267 {
iforce2d 0:972874f31c98 268 if ( pixel & 128 )
iforce2d 0:972874f31c98 269 u8g_pb8h1_SetPixel(b, arg_pixel);
iforce2d 0:972874f31c98 270 arg_pixel->x += dx;
iforce2d 0:972874f31c98 271 arg_pixel->y += dy;
iforce2d 0:972874f31c98 272 pixel <<= 1;
iforce2d 0:972874f31c98 273 } while( pixel != 0 );
iforce2d 0:972874f31c98 274 }
iforce2d 0:972874f31c98 275
iforce2d 0:972874f31c98 276 #ifdef NEW_CODE
iforce2d 0:972874f31c98 277 static void u8g_pb8h1_Set8PixelState(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel)
iforce2d 0:972874f31c98 278 {
iforce2d 0:972874f31c98 279 register uint8_t pixel = arg_pixel->pixel;
iforce2d 0:972874f31c98 280 struct u8g_pb_h1_struct s;
iforce2d 0:972874f31c98 281 uint8_t cnt;
iforce2d 0:972874f31c98 282 u8g_pb8h1_state_init(&s, b, arg_pixel->x, arg_pixel->y);
iforce2d 0:972874f31c98 283 cnt = 8;
iforce2d 0:972874f31c98 284 switch( arg_pixel->dir )
iforce2d 0:972874f31c98 285 {
iforce2d 0:972874f31c98 286 case 0:
iforce2d 0:972874f31c98 287 do
iforce2d 0:972874f31c98 288 {
iforce2d 0:972874f31c98 289 if ( s.x < b->width )
iforce2d 0:972874f31c98 290 if ( pixel & 128 )
iforce2d 0:972874f31c98 291 u8g_pb8h1_state_set_pixel(&s, arg_pixel->color);
iforce2d 0:972874f31c98 292 u8g_pb8h1_state_right(&s);
iforce2d 0:972874f31c98 293 pixel <<= 1;
iforce2d 0:972874f31c98 294 cnt--;
iforce2d 0:972874f31c98 295 } while( cnt > 0 && pixel != 0 );
iforce2d 0:972874f31c98 296 break;
iforce2d 0:972874f31c98 297 case 1:
iforce2d 0:972874f31c98 298 do
iforce2d 0:972874f31c98 299 {
iforce2d 0:972874f31c98 300 if ( s.y >= b->p.page_y0 )
iforce2d 0:972874f31c98 301 if ( s.y <= b->p.page_y1 )
iforce2d 0:972874f31c98 302 if ( pixel & 128 )
iforce2d 0:972874f31c98 303 u8g_pb8h1_state_set_pixel(&s, arg_pixel->color);
iforce2d 0:972874f31c98 304 u8g_pb8h1_state_down(&s);
iforce2d 0:972874f31c98 305 pixel <<= 1;
iforce2d 0:972874f31c98 306 cnt--;
iforce2d 0:972874f31c98 307 } while( cnt > 0 && pixel != 0 );
iforce2d 0:972874f31c98 308 break;
iforce2d 0:972874f31c98 309 case 2:
iforce2d 0:972874f31c98 310 do
iforce2d 0:972874f31c98 311 {
iforce2d 0:972874f31c98 312 if ( s.x < b->width )
iforce2d 0:972874f31c98 313 if ( pixel & 128 )
iforce2d 0:972874f31c98 314 u8g_pb8h1_state_set_pixel(&s, arg_pixel->color);
iforce2d 0:972874f31c98 315 u8g_pb8h1_state_left(&s);
iforce2d 0:972874f31c98 316 pixel <<= 1;
iforce2d 0:972874f31c98 317 cnt--;
iforce2d 0:972874f31c98 318 } while( cnt > 0 && pixel != 0 );
iforce2d 0:972874f31c98 319 break;
iforce2d 0:972874f31c98 320 case 3:
iforce2d 0:972874f31c98 321 do
iforce2d 0:972874f31c98 322 {
iforce2d 0:972874f31c98 323 if ( s.y >= b->p.page_y0 )
iforce2d 0:972874f31c98 324 if ( s.y <= b->p.page_y1 )
iforce2d 0:972874f31c98 325 if ( pixel & 128 )
iforce2d 0:972874f31c98 326 u8g_pb8h1_state_set_pixel(&s, arg_pixel->color);
iforce2d 0:972874f31c98 327 u8g_pb8h1_state_up(&s);
iforce2d 0:972874f31c98 328 pixel <<= 1;
iforce2d 0:972874f31c98 329 cnt--;
iforce2d 0:972874f31c98 330 } while( cnt > 0 && pixel != 0 );
iforce2d 0:972874f31c98 331 break;
iforce2d 0:972874f31c98 332 }
iforce2d 0:972874f31c98 333 }
iforce2d 0:972874f31c98 334 #endif
iforce2d 0:972874f31c98 335
iforce2d 0:972874f31c98 336 uint8_t u8g_dev_pb8h1_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
iforce2d 0:972874f31c98 337 {
iforce2d 0:972874f31c98 338 u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
iforce2d 0:972874f31c98 339 switch(msg)
iforce2d 0:972874f31c98 340 {
iforce2d 0:972874f31c98 341 case U8G_DEV_MSG_SET_8PIXEL:
iforce2d 0:972874f31c98 342 #ifdef NEW_CODE
iforce2d 0:972874f31c98 343 if ( u8g_pb_Is8PixelVisible(pb, (u8g_dev_arg_pixel_t *)arg) )
iforce2d 0:972874f31c98 344 u8g_pb8h1_Set8PixelState(pb, (u8g_dev_arg_pixel_t *)arg);
iforce2d 0:972874f31c98 345 #else
iforce2d 0:972874f31c98 346 if ( u8g_pb_Is8PixelVisible(pb, (u8g_dev_arg_pixel_t *)arg) )
iforce2d 0:972874f31c98 347 u8g_pb8h1_Set8PixelOpt2(pb, (u8g_dev_arg_pixel_t *)arg);
iforce2d 0:972874f31c98 348 #endif
iforce2d 0:972874f31c98 349 break;
iforce2d 0:972874f31c98 350 case U8G_DEV_MSG_SET_PIXEL:
iforce2d 0:972874f31c98 351 u8g_pb8h1_SetPixel(pb, (u8g_dev_arg_pixel_t *)arg);
iforce2d 0:972874f31c98 352 break;
iforce2d 0:972874f31c98 353 case U8G_DEV_MSG_INIT:
iforce2d 0:972874f31c98 354 break;
iforce2d 0:972874f31c98 355 case U8G_DEV_MSG_STOP:
iforce2d 0:972874f31c98 356 break;
iforce2d 0:972874f31c98 357 case U8G_DEV_MSG_PAGE_FIRST:
iforce2d 0:972874f31c98 358 u8g_pb_Clear(pb);
iforce2d 0:972874f31c98 359 u8g_page_First(&(pb->p));
iforce2d 0:972874f31c98 360 break;
iforce2d 0:972874f31c98 361 case U8G_DEV_MSG_PAGE_NEXT:
iforce2d 0:972874f31c98 362 if ( u8g_page_Next(&(pb->p)) == 0 )
iforce2d 0:972874f31c98 363 return 0;
iforce2d 0:972874f31c98 364 u8g_pb_Clear(pb);
iforce2d 0:972874f31c98 365 break;
iforce2d 0:972874f31c98 366 #ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION
iforce2d 0:972874f31c98 367 case U8G_DEV_MSG_IS_BBX_INTERSECTION:
iforce2d 0:972874f31c98 368 return u8g_pb_IsIntersection(pb, (u8g_dev_arg_bbx_t *)arg);
iforce2d 0:972874f31c98 369 #endif
iforce2d 0:972874f31c98 370 case U8G_DEV_MSG_GET_PAGE_BOX:
iforce2d 0:972874f31c98 371 u8g_pb_GetPageBox(pb, (u8g_box_t *)arg);
iforce2d 0:972874f31c98 372 break;
iforce2d 0:972874f31c98 373 case U8G_DEV_MSG_GET_WIDTH:
iforce2d 0:972874f31c98 374 *((u8g_uint_t *)arg) = pb->width;
iforce2d 0:972874f31c98 375 break;
iforce2d 0:972874f31c98 376 case U8G_DEV_MSG_GET_HEIGHT:
iforce2d 0:972874f31c98 377 *((u8g_uint_t *)arg) = pb->p.total_height;
iforce2d 0:972874f31c98 378 break;
iforce2d 0:972874f31c98 379 case U8G_DEV_MSG_SET_COLOR_ENTRY:
iforce2d 0:972874f31c98 380 break;
iforce2d 0:972874f31c98 381 case U8G_DEV_MSG_SET_XY_CB:
iforce2d 0:972874f31c98 382 break;
iforce2d 0:972874f31c98 383 case U8G_DEV_MSG_GET_MODE:
iforce2d 0:972874f31c98 384 return U8G_MODE_BW;
iforce2d 0:972874f31c98 385 }
iforce2d 0:972874f31c98 386 return 1;
iforce2d 0:972874f31c98 387 }
iforce2d 0:972874f31c98 388
iforce2d 0:972874f31c98 389
iforce2d 0:972874f31c98 390