hadif azli / Mbed 2 deprecated TEST123

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Dependencies:   mbed Blynk

u8glibARM/u8g_pb8h8.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 0:d8f4c441e032 1 /*
lixianyu 0:d8f4c441e032 2
lixianyu 0:d8f4c441e032 3 u8g_pb8h8.c
lixianyu 0:d8f4c441e032 4
lixianyu 0:d8f4c441e032 5 8 lines per page, horizontal, 8 bits per pixel
lixianyu 0:d8f4c441e032 6 (22 May 2013: might also support any number of lines --> needs to be checked)
lixianyu 0:d8f4c441e032 7
lixianyu 0:d8f4c441e032 8 Universal 8bit Graphics Library
lixianyu 0:d8f4c441e032 9
lixianyu 0:d8f4c441e032 10 Copyright (c) 2012, olikraus@gmail.com
lixianyu 0:d8f4c441e032 11 All rights reserved.
lixianyu 0:d8f4c441e032 12
lixianyu 0:d8f4c441e032 13 Redistribution and use in source and binary forms, with or without modification,
lixianyu 0:d8f4c441e032 14 are permitted provided that the following conditions are met:
lixianyu 0:d8f4c441e032 15
lixianyu 0:d8f4c441e032 16 * Redistributions of source code must retain the above copyright notice, this list
lixianyu 0:d8f4c441e032 17 of conditions and the following disclaimer.
lixianyu 0:d8f4c441e032 18
lixianyu 0:d8f4c441e032 19 * Redistributions in binary form must reproduce the above copyright notice, this
lixianyu 0:d8f4c441e032 20 list of conditions and the following disclaimer in the documentation and/or other
lixianyu 0:d8f4c441e032 21 materials provided with the distribution.
lixianyu 0:d8f4c441e032 22
lixianyu 0:d8f4c441e032 23 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
lixianyu 0:d8f4c441e032 24 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
lixianyu 0:d8f4c441e032 25 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
lixianyu 0:d8f4c441e032 26 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
lixianyu 0:d8f4c441e032 27 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
lixianyu 0:d8f4c441e032 28 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
lixianyu 0:d8f4c441e032 29 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
lixianyu 0:d8f4c441e032 30 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
lixianyu 0:d8f4c441e032 31 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
lixianyu 0:d8f4c441e032 32 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
lixianyu 0:d8f4c441e032 33 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
lixianyu 0:d8f4c441e032 34 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
lixianyu 0:d8f4c441e032 35 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
lixianyu 0:d8f4c441e032 36
lixianyu 0:d8f4c441e032 37
lixianyu 0:d8f4c441e032 38 struct _u8g_pb_t
lixianyu 0:d8f4c441e032 39 {
lixianyu 0:d8f4c441e032 40 u8g_page_t p;
lixianyu 0:d8f4c441e032 41 u8g_uint_t width;
lixianyu 0:d8f4c441e032 42 void *buf;
lixianyu 0:d8f4c441e032 43 };
lixianyu 0:d8f4c441e032 44 typedef struct _u8g_pb_t u8g_pb_t;
lixianyu 0:d8f4c441e032 45
lixianyu 0:d8f4c441e032 46
lixianyu 0:d8f4c441e032 47 uint8_t u8g_index_color_8h8_buf[WIDTH*PAGE_HEIGHT] U8G_NOCOMMON ;
lixianyu 0:d8f4c441e032 48 u8g_pb_t u8g_index_color_8h8_pb = { {PAGE_HEIGHT, HEIGHT, 0, 0, 0}, WIDTH, u8g_index_color_8h8_buff};
lixianyu 0:d8f4c441e032 49 u8g_dev_t name = { dev_fn, &u8g_index_color_8h8_pb, com_fn }
lixianyu 0:d8f4c441e032 50
lixianyu 0:d8f4c441e032 51 */
lixianyu 0:d8f4c441e032 52
lixianyu 0:d8f4c441e032 53 #include "u8g.h"
lixianyu 0:d8f4c441e032 54
lixianyu 0:d8f4c441e032 55 /*
lixianyu 0:d8f4c441e032 56 #define WIDTH_BITS 7
lixianyu 0:d8f4c441e032 57 #define WIDTH (1<<WIDTH_BITS)
lixianyu 0:d8f4c441e032 58 #define PAGE_HEIGHT_BITS 3
lixianyu 0:d8f4c441e032 59 #define PAGE_HEIGHT (1<<PAGE_HEIGHT_BITS)
lixianyu 0:d8f4c441e032 60 */
lixianyu 0:d8f4c441e032 61
lixianyu 0:d8f4c441e032 62 void u8g_pb8h8_Clear(u8g_pb_t *b)
lixianyu 0:d8f4c441e032 63 {
lixianyu 0:d8f4c441e032 64 uint8_t *ptr = (uint8_t *)b->buf;
lixianyu 0:d8f4c441e032 65 uint8_t *end_ptr = ptr;
lixianyu 0:d8f4c441e032 66 uint8_t cnt = b->p.page_height;
lixianyu 0:d8f4c441e032 67 end_ptr += b->width*cnt;
lixianyu 0:d8f4c441e032 68 /*
lixianyu 0:d8f4c441e032 69 do
lixianyu 0:d8f4c441e032 70 {
lixianyu 0:d8f4c441e032 71 end_ptr += b->width;
lixianyu 0:d8f4c441e032 72 cnt--;
lixianyu 0:d8f4c441e032 73 } while( cnt > 0 );
lixianyu 0:d8f4c441e032 74 */
lixianyu 0:d8f4c441e032 75 do
lixianyu 0:d8f4c441e032 76 {
lixianyu 0:d8f4c441e032 77 *ptr++ = 0;
lixianyu 0:d8f4c441e032 78 } while( ptr != end_ptr );
lixianyu 0:d8f4c441e032 79 }
lixianyu 0:d8f4c441e032 80
lixianyu 0:d8f4c441e032 81
lixianyu 0:d8f4c441e032 82 void u8g_pb8h8_Init(u8g_pb_t *b, void *buf, u8g_uint_t width)
lixianyu 0:d8f4c441e032 83 {
lixianyu 0:d8f4c441e032 84 b->buf = buf;
lixianyu 0:d8f4c441e032 85 b->width = width;
lixianyu 0:d8f4c441e032 86 u8g_pb8h8_Clear(b);
lixianyu 0:d8f4c441e032 87 }
lixianyu 0:d8f4c441e032 88
lixianyu 0:d8f4c441e032 89 static void u8g_pb8h8_set_pixel(u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y, uint8_t color_index)
lixianyu 0:d8f4c441e032 90 {
lixianyu 0:d8f4c441e032 91 uint16_t tmp;
lixianyu 0:d8f4c441e032 92 uint8_t *ptr = b->buf;
lixianyu 0:d8f4c441e032 93 y -= b->p.page_y0;
lixianyu 0:d8f4c441e032 94 tmp = y;
lixianyu 0:d8f4c441e032 95 tmp *= b->width;
lixianyu 0:d8f4c441e032 96 tmp += x;
lixianyu 0:d8f4c441e032 97 ptr += tmp;
lixianyu 0:d8f4c441e032 98 *ptr = color_index;
lixianyu 0:d8f4c441e032 99 }
lixianyu 0:d8f4c441e032 100
lixianyu 0:d8f4c441e032 101 void u8g_pb8h8_SetPixel(u8g_pb_t *b, const u8g_dev_arg_pixel_t * const arg_pixel)
lixianyu 0:d8f4c441e032 102 {
lixianyu 0:d8f4c441e032 103 if ( arg_pixel->y < b->p.page_y0 )
lixianyu 0:d8f4c441e032 104 return;
lixianyu 0:d8f4c441e032 105 if ( arg_pixel->y > b->p.page_y1 )
lixianyu 0:d8f4c441e032 106 return;
lixianyu 0:d8f4c441e032 107 if ( arg_pixel->x >= b->width )
lixianyu 0:d8f4c441e032 108 return;
lixianyu 0:d8f4c441e032 109 u8g_pb8h8_set_pixel(b, arg_pixel->x, arg_pixel->y, arg_pixel->color);
lixianyu 0:d8f4c441e032 110 }
lixianyu 0:d8f4c441e032 111
lixianyu 0:d8f4c441e032 112
lixianyu 0:d8f4c441e032 113 void u8g_pb8h8_Set8Pixel(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel)
lixianyu 0:d8f4c441e032 114 {
lixianyu 0:d8f4c441e032 115 register uint8_t pixel = arg_pixel->pixel;
lixianyu 0:d8f4c441e032 116 u8g_uint_t dx = 0;
lixianyu 0:d8f4c441e032 117 u8g_uint_t dy = 0;
lixianyu 0:d8f4c441e032 118
lixianyu 0:d8f4c441e032 119 switch( arg_pixel->dir )
lixianyu 0:d8f4c441e032 120 {
lixianyu 0:d8f4c441e032 121 case 0: dx++; break;
lixianyu 0:d8f4c441e032 122 case 1: dy++; break;
lixianyu 0:d8f4c441e032 123 case 2: dx--; break;
lixianyu 0:d8f4c441e032 124 case 3: dy--; break;
lixianyu 0:d8f4c441e032 125 }
lixianyu 0:d8f4c441e032 126
lixianyu 0:d8f4c441e032 127 do
lixianyu 0:d8f4c441e032 128 {
lixianyu 0:d8f4c441e032 129 if ( pixel & 128 )
lixianyu 0:d8f4c441e032 130 u8g_pb8h8_SetPixel(b, arg_pixel);
lixianyu 0:d8f4c441e032 131 arg_pixel->x += dx;
lixianyu 0:d8f4c441e032 132 arg_pixel->y += dy;
lixianyu 0:d8f4c441e032 133 pixel <<= 1;
lixianyu 0:d8f4c441e032 134 } while( pixel != 0 );
lixianyu 0:d8f4c441e032 135 }
lixianyu 0:d8f4c441e032 136
lixianyu 0:d8f4c441e032 137
lixianyu 0:d8f4c441e032 138 uint8_t u8g_dev_pb8h8_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
lixianyu 0:d8f4c441e032 139 {
lixianyu 0:d8f4c441e032 140 u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
lixianyu 0:d8f4c441e032 141 switch(msg)
lixianyu 0:d8f4c441e032 142 {
lixianyu 0:d8f4c441e032 143 case U8G_DEV_MSG_SET_8PIXEL:
lixianyu 0:d8f4c441e032 144 if ( u8g_pb_Is8PixelVisible(pb, (u8g_dev_arg_pixel_t *)arg) )
lixianyu 0:d8f4c441e032 145 u8g_pb8h8_Set8Pixel(pb, (u8g_dev_arg_pixel_t *)arg);
lixianyu 0:d8f4c441e032 146 break;
lixianyu 0:d8f4c441e032 147 case U8G_DEV_MSG_SET_PIXEL:
lixianyu 0:d8f4c441e032 148 u8g_pb8h8_SetPixel(pb, (u8g_dev_arg_pixel_t *)arg);
lixianyu 0:d8f4c441e032 149 break;
lixianyu 0:d8f4c441e032 150 case U8G_DEV_MSG_INIT:
lixianyu 0:d8f4c441e032 151 break;
lixianyu 0:d8f4c441e032 152 case U8G_DEV_MSG_STOP:
lixianyu 0:d8f4c441e032 153 break;
lixianyu 0:d8f4c441e032 154 case U8G_DEV_MSG_PAGE_FIRST:
lixianyu 0:d8f4c441e032 155 u8g_pb8h8_Clear(pb);
lixianyu 0:d8f4c441e032 156 u8g_page_First(&(pb->p));
lixianyu 0:d8f4c441e032 157 break;
lixianyu 0:d8f4c441e032 158 case U8G_DEV_MSG_PAGE_NEXT:
lixianyu 0:d8f4c441e032 159 if ( u8g_page_Next(&(pb->p)) == 0 )
lixianyu 0:d8f4c441e032 160 return 0;
lixianyu 0:d8f4c441e032 161 u8g_pb8h8_Clear(pb);
lixianyu 0:d8f4c441e032 162 break;
lixianyu 0:d8f4c441e032 163 #ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION
lixianyu 0:d8f4c441e032 164 case U8G_DEV_MSG_IS_BBX_INTERSECTION:
lixianyu 0:d8f4c441e032 165 return u8g_pb_IsIntersection(pb, (u8g_dev_arg_bbx_t *)arg);
lixianyu 0:d8f4c441e032 166 #endif
lixianyu 0:d8f4c441e032 167 case U8G_DEV_MSG_GET_PAGE_BOX:
lixianyu 0:d8f4c441e032 168 u8g_pb_GetPageBox(pb, (u8g_box_t *)arg);
lixianyu 0:d8f4c441e032 169 break;
lixianyu 0:d8f4c441e032 170 case U8G_DEV_MSG_GET_WIDTH:
lixianyu 0:d8f4c441e032 171 *((u8g_uint_t *)arg) = pb->width;
lixianyu 0:d8f4c441e032 172 break;
lixianyu 0:d8f4c441e032 173 case U8G_DEV_MSG_GET_HEIGHT:
lixianyu 0:d8f4c441e032 174 *((u8g_uint_t *)arg) = pb->p.total_height;
lixianyu 0:d8f4c441e032 175 break;
lixianyu 0:d8f4c441e032 176 case U8G_DEV_MSG_SET_COLOR_ENTRY:
lixianyu 0:d8f4c441e032 177 break;
lixianyu 0:d8f4c441e032 178 case U8G_DEV_MSG_SET_XY_CB:
lixianyu 0:d8f4c441e032 179 break;
lixianyu 0:d8f4c441e032 180 case U8G_DEV_MSG_GET_MODE:
lixianyu 0:d8f4c441e032 181 return U8G_MODE_R3G3B2;
lixianyu 0:d8f4c441e032 182 }
lixianyu 0:d8f4c441e032 183 return 1;
lixianyu 0:d8f4c441e032 184 }
lixianyu 0:d8f4c441e032 185
lixianyu 0:d8f4c441e032 186