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Dependencies:   mbed Blynk

u8glibARM/u8g_pb14v1.c@1:0e75de2a5d21, 2016-06-13 (annotated)

Committer:
lixianyu
Date:
Mon Jun 13 02:21:11 2016 +0000
Revision:
1:0e75de2a5d21
Parent:
0:d8f4c441e032 
u8glib???????????????????????????Adafruit_GFX????OLED????????bitmap??????

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lixianyu 1:0e75de2a5d21 1 /*
lixianyu 1:0e75de2a5d21 2
lixianyu 1:0e75de2a5d21 3 u8g_pb14v1.c
lixianyu 1:0e75de2a5d21 4
lixianyu 1:0e75de2a5d21 5 14bit height monochrom (1 bit) page buffer,
lixianyu 1:0e75de2a5d21 6 byte has vertical orientation, 7 bits per byte
lixianyu 1:0e75de2a5d21 7
lixianyu 1:0e75de2a5d21 8 Universal 8bit Graphics Library
lixianyu 1:0e75de2a5d21 9
lixianyu 1:0e75de2a5d21 10 Copyright (c) 2011, olikraus@gmail.com
lixianyu 1:0e75de2a5d21 11 All rights reserved.
lixianyu 1:0e75de2a5d21 12
lixianyu 1:0e75de2a5d21 13 Redistribution and use in source and binary forms, with or without modification,
lixianyu 1:0e75de2a5d21 14 are permitted provided that the following conditions are met:
lixianyu 1:0e75de2a5d21 15
lixianyu 1:0e75de2a5d21 16 * Redistributions of source code must retain the above copyright notice, this list
lixianyu 1:0e75de2a5d21 17 of conditions and the following disclaimer.
lixianyu 1:0e75de2a5d21 18
lixianyu 1:0e75de2a5d21 19 * Redistributions in binary form must reproduce the above copyright notice, this
lixianyu 1:0e75de2a5d21 20 list of conditions and the following disclaimer in the documentation and/or other
lixianyu 1:0e75de2a5d21 21 materials provided with the distribution.
lixianyu 1:0e75de2a5d21 22
lixianyu 1:0e75de2a5d21 23 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
lixianyu 1:0e75de2a5d21 24 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
lixianyu 1:0e75de2a5d21 25 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
lixianyu 1:0e75de2a5d21 26 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
lixianyu 1:0e75de2a5d21 27 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
lixianyu 1:0e75de2a5d21 28 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
lixianyu 1:0e75de2a5d21 29 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
lixianyu 1:0e75de2a5d21 30 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
lixianyu 1:0e75de2a5d21 31 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
lixianyu 1:0e75de2a5d21 32 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
lixianyu 1:0e75de2a5d21 33 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
lixianyu 1:0e75de2a5d21 34 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
lixianyu 1:0e75de2a5d21 35 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
lixianyu 1:0e75de2a5d21 36
lixianyu 1:0e75de2a5d21 37
lixianyu 1:0e75de2a5d21 38 */
lixianyu 1:0e75de2a5d21 39
lixianyu 1:0e75de2a5d21 40 #include "u8g.h"
lixianyu 1:0e75de2a5d21 41 #include <string.h>
lixianyu 1:0e75de2a5d21 42
lixianyu 1:0e75de2a5d21 43
lixianyu 1:0e75de2a5d21 44 void u8g_pb14v1_Init(u8g_pb_t *b, void *buf, u8g_uint_t width) U8G_NOINLINE;
lixianyu 1:0e75de2a5d21 45 void u8g_pb14v1_set_pixel(u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y, uint8_t color_index) U8G_NOINLINE;
lixianyu 1:0e75de2a5d21 46 void u8g_pb14v1_SetPixel(u8g_pb_t *b, const u8g_dev_arg_pixel_t * const arg_pixel) U8G_NOINLINE ;
lixianyu 1:0e75de2a5d21 47 void u8g_pb14v1_Set8PixelStd(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel) U8G_NOINLINE;
lixianyu 1:0e75de2a5d21 48
lixianyu 1:0e75de2a5d21 49
lixianyu 1:0e75de2a5d21 50 void u8g_pb14v1_Clear(u8g_pb_t *b)
lixianyu 1:0e75de2a5d21 51 {
lixianyu 1:0e75de2a5d21 52 uint8_t *ptr = (uint8_t *)b->buf;
lixianyu 1:0e75de2a5d21 53 uint8_t *end_ptr = ptr;
lixianyu 1:0e75de2a5d21 54 end_ptr += b->width*2;
lixianyu 1:0e75de2a5d21 55 do {
lixianyu 1:0e75de2a5d21 56 *ptr++ = 0;
lixianyu 1:0e75de2a5d21 57 } while( ptr != end_ptr );
lixianyu 1:0e75de2a5d21 58 }
lixianyu 1:0e75de2a5d21 59
lixianyu 1:0e75de2a5d21 60 /* Obsolete, usually set by the init of the structure */
lixianyu 1:0e75de2a5d21 61 void u8g_pb14v1_Init(u8g_pb_t *b, void *buf, u8g_uint_t width)
lixianyu 1:0e75de2a5d21 62 {
lixianyu 1:0e75de2a5d21 63 b->buf = buf;
lixianyu 1:0e75de2a5d21 64 b->width = width;
lixianyu 1:0e75de2a5d21 65 u8g_pb14v1_Clear(b);
lixianyu 1:0e75de2a5d21 66 }
lixianyu 1:0e75de2a5d21 67
lixianyu 1:0e75de2a5d21 68 void u8g_pb14v1_set_pixel(u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y, uint8_t color_index)
lixianyu 1:0e75de2a5d21 69 {
lixianyu 1:0e75de2a5d21 70 register uint8_t mask;
lixianyu 1:0e75de2a5d21 71 uint8_t *ptr = b->buf;
lixianyu 1:0e75de2a5d21 72
lixianyu 1:0e75de2a5d21 73 y -= b->p.page_y0;
lixianyu 1:0e75de2a5d21 74 if ( y >= 7 ) {
lixianyu 1:0e75de2a5d21 75 ptr += b->width;
lixianyu 1:0e75de2a5d21 76 y -= 7;
lixianyu 1:0e75de2a5d21 77 }
lixianyu 1:0e75de2a5d21 78 mask = 1;
lixianyu 1:0e75de2a5d21 79 mask <<= y;
lixianyu 1:0e75de2a5d21 80 ptr += x;
lixianyu 1:0e75de2a5d21 81
lixianyu 1:0e75de2a5d21 82 if ( color_index ) {
lixianyu 1:0e75de2a5d21 83 *ptr |= mask;
lixianyu 1:0e75de2a5d21 84 } else {
lixianyu 1:0e75de2a5d21 85 mask ^=0xff;
lixianyu 1:0e75de2a5d21 86 *ptr &= mask;
lixianyu 1:0e75de2a5d21 87 }
lixianyu 1:0e75de2a5d21 88 }
lixianyu 1:0e75de2a5d21 89
lixianyu 1:0e75de2a5d21 90
lixianyu 1:0e75de2a5d21 91 void u8g_pb14v1_SetPixel(u8g_pb_t *b, const u8g_dev_arg_pixel_t * const arg_pixel)
lixianyu 1:0e75de2a5d21 92 {
lixianyu 1:0e75de2a5d21 93 if ( arg_pixel->y < b->p.page_y0 )
lixianyu 1:0e75de2a5d21 94 return;
lixianyu 1:0e75de2a5d21 95 if ( arg_pixel->y > b->p.page_y1 )
lixianyu 1:0e75de2a5d21 96 return;
lixianyu 1:0e75de2a5d21 97 if ( arg_pixel->x >= b->width )
lixianyu 1:0e75de2a5d21 98 return;
lixianyu 1:0e75de2a5d21 99 u8g_pb14v1_set_pixel(b, arg_pixel->x, arg_pixel->y, arg_pixel->color);
lixianyu 1:0e75de2a5d21 100 }
lixianyu 0:d8f4c441e032 101
lixianyu 1:0e75de2a5d21 102 void u8g_pb14v1_Set8PixelStd(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel)
lixianyu 1:0e75de2a5d21 103 {
lixianyu 1:0e75de2a5d21 104 register uint8_t pixel = arg_pixel->pixel;
lixianyu 1:0e75de2a5d21 105 do {
lixianyu 1:0e75de2a5d21 106 if ( pixel & 128 ) {
lixianyu 1:0e75de2a5d21 107 u8g_pb14v1_SetPixel(b, arg_pixel);
lixianyu 1:0e75de2a5d21 108 }
lixianyu 1:0e75de2a5d21 109 switch( arg_pixel->dir ) {
lixianyu 1:0e75de2a5d21 110 case 0:
lixianyu 1:0e75de2a5d21 111 arg_pixel->x++;
lixianyu 1:0e75de2a5d21 112 break;
lixianyu 1:0e75de2a5d21 113 case 1:
lixianyu 1:0e75de2a5d21 114 arg_pixel->y++;
lixianyu 1:0e75de2a5d21 115 break;
lixianyu 1:0e75de2a5d21 116 case 2:
lixianyu 1:0e75de2a5d21 117 arg_pixel->x--;
lixianyu 1:0e75de2a5d21 118 break;
lixianyu 1:0e75de2a5d21 119 case 3:
lixianyu 1:0e75de2a5d21 120 arg_pixel->y--;
lixianyu 1:0e75de2a5d21 121 break;
lixianyu 1:0e75de2a5d21 122 }
lixianyu 1:0e75de2a5d21 123 pixel <<= 1;
lixianyu 1:0e75de2a5d21 124 } while( pixel != 0 );
lixianyu 1:0e75de2a5d21 125 }
lixianyu 1:0e75de2a5d21 126
lixianyu 1:0e75de2a5d21 127
lixianyu 1:0e75de2a5d21 128 void u8g_pb14v1_Set8PixelOpt2(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel)
lixianyu 1:0e75de2a5d21 129 {
lixianyu 1:0e75de2a5d21 130 register uint8_t pixel = arg_pixel->pixel;
lixianyu 1:0e75de2a5d21 131 u8g_uint_t dx = 0;
lixianyu 1:0e75de2a5d21 132 u8g_uint_t dy = 0;
lixianyu 1:0e75de2a5d21 133
lixianyu 1:0e75de2a5d21 134 switch( arg_pixel->dir ) {
lixianyu 1:0e75de2a5d21 135 case 0:
lixianyu 1:0e75de2a5d21 136 dx++;
lixianyu 1:0e75de2a5d21 137 break;
lixianyu 1:0e75de2a5d21 138 case 1:
lixianyu 1:0e75de2a5d21 139 dy++;
lixianyu 1:0e75de2a5d21 140 break;
lixianyu 1:0e75de2a5d21 141 case 2:
lixianyu 1:0e75de2a5d21 142 dx--;
lixianyu 1:0e75de2a5d21 143 break;
lixianyu 1:0e75de2a5d21 144 case 3:
lixianyu 1:0e75de2a5d21 145 dy--;
lixianyu 1:0e75de2a5d21 146 break;
lixianyu 1:0e75de2a5d21 147 }
lixianyu 1:0e75de2a5d21 148
lixianyu 1:0e75de2a5d21 149 do {
lixianyu 1:0e75de2a5d21 150 if ( pixel & 128 )
lixianyu 1:0e75de2a5d21 151 u8g_pb14v1_SetPixel(b, arg_pixel);
lixianyu 1:0e75de2a5d21 152 arg_pixel->x += dx;
lixianyu 1:0e75de2a5d21 153 arg_pixel->y += dy;
lixianyu 1:0e75de2a5d21 154 pixel <<= 1;
lixianyu 1:0e75de2a5d21 155 } while( pixel != 0 );
lixianyu 1:0e75de2a5d21 156
lixianyu 1:0e75de2a5d21 157 }
lixianyu 1:0e75de2a5d21 158
lixianyu 1:0e75de2a5d21 159 uint8_t u8g_dev_pb14v1_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
lixianyu 1:0e75de2a5d21 160 {
lixianyu 1:0e75de2a5d21 161 u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
lixianyu 1:0e75de2a5d21 162 switch(msg) {
lixianyu 1:0e75de2a5d21 163 case U8G_DEV_MSG_SET_8PIXEL:
lixianyu 1:0e75de2a5d21 164 if ( u8g_pb_Is8PixelVisible(pb, (u8g_dev_arg_pixel_t *)arg) )
lixianyu 1:0e75de2a5d21 165 u8g_pb14v1_Set8PixelOpt2(pb, (u8g_dev_arg_pixel_t *)arg);
lixianyu 1:0e75de2a5d21 166 break;
lixianyu 1:0e75de2a5d21 167 case U8G_DEV_MSG_SET_PIXEL:
lixianyu 1:0e75de2a5d21 168 u8g_pb14v1_SetPixel(pb, (u8g_dev_arg_pixel_t *)arg);
lixianyu 1:0e75de2a5d21 169 break;
lixianyu 1:0e75de2a5d21 170 case U8G_DEV_MSG_INIT:
lixianyu 1:0e75de2a5d21 171 break;
lixianyu 1:0e75de2a5d21 172 case U8G_DEV_MSG_STOP:
lixianyu 1:0e75de2a5d21 173 break;
lixianyu 1:0e75de2a5d21 174 case U8G_DEV_MSG_PAGE_FIRST:
lixianyu 1:0e75de2a5d21 175 u8g_pb14v1_Clear(pb);
lixianyu 1:0e75de2a5d21 176 u8g_page_First(&(pb->p));
lixianyu 1:0e75de2a5d21 177 break;
lixianyu 1:0e75de2a5d21 178 case U8G_DEV_MSG_PAGE_NEXT:
lixianyu 1:0e75de2a5d21 179 if ( u8g_page_Next(&(pb->p)) == 0 )
lixianyu 1:0e75de2a5d21 180 return 0;
lixianyu 1:0e75de2a5d21 181 u8g_pb14v1_Clear(pb);
lixianyu 1:0e75de2a5d21 182 break;
lixianyu 1:0e75de2a5d21 183 #ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION
lixianyu 1:0e75de2a5d21 184 case U8G_DEV_MSG_IS_BBX_INTERSECTION:
lixianyu 1:0e75de2a5d21 185 return u8g_pb_IsIntersection(pb, (u8g_dev_arg_bbx_t *)arg);
lixianyu 1:0e75de2a5d21 186 #endif
lixianyu 1:0e75de2a5d21 187 case U8G_DEV_MSG_GET_PAGE_BOX:
lixianyu 1:0e75de2a5d21 188 u8g_pb_GetPageBox(pb, (u8g_box_t *)arg);
lixianyu 1:0e75de2a5d21 189 break;
lixianyu 1:0e75de2a5d21 190 case U8G_DEV_MSG_GET_WIDTH:
lixianyu 1:0e75de2a5d21 191 *((u8g_uint_t *)arg) = pb->width;
lixianyu 1:0e75de2a5d21 192 break;
lixianyu 1:0e75de2a5d21 193 case U8G_DEV_MSG_GET_HEIGHT:
lixianyu 1:0e75de2a5d21 194 *((u8g_uint_t *)arg) = pb->p.total_height;
lixianyu 1:0e75de2a5d21 195 break;
lixianyu 1:0e75de2a5d21 196 case U8G_DEV_MSG_SET_COLOR_ENTRY:
lixianyu 1:0e75de2a5d21 197 break;
lixianyu 1:0e75de2a5d21 198 case U8G_DEV_MSG_SET_XY_CB:
lixianyu 1:0e75de2a5d21 199 break;
lixianyu 1:0e75de2a5d21 200 case U8G_DEV_MSG_GET_MODE:
lixianyu 1:0e75de2a5d21 201 return U8G_MODE_BW;
lixianyu 1:0e75de2a5d21 202 }
lixianyu 1:0e75de2a5d21 203 return 1;
lixianyu 1:0e75de2a5d21 204 }
lixianyu 1:0e75de2a5d21 205
lixianyu 1:0e75de2a5d21 206
lixianyu 1:0e75de2a5d21 207