Maxim Integrated / Mbed 2 deprecated MAXREFDES99_demo

Demo for MAXREFDES99

Dependencies:   MAX7219 mbed

maxrefdes99.cpp@2:9fdd01cf0f88, 2016-03-24 (annotated)

Committer:
j3
Date:
Thu Mar 24 23:35:56 2016 +0000
Revision:
2:9fdd01cf0f88
Parent:
0:6b0161c3e440
Child:
3:41bdbc9b3cec
fixed buffer delay

Who changed what in which revision?

UserRevisionLine numberNew contents of line
j3 0:6b0161c3e440 1 /******************************************************************//**
j3 0:6b0161c3e440 2 * @file maxrefdes99.cpp
j3 0:6b0161c3e440 3 *
j3 0:6b0161c3e440 4 * @author Justin Jordan
j3 0:6b0161c3e440 5 *
j3 0:6b0161c3e440 6 * @version 0.0
j3 0:6b0161c3e440 7 *
j3 0:6b0161c3e440 8 * Started: 08JAN16
j3 0:6b0161c3e440 9 *
j3 0:6b0161c3e440 10 * Updated:
j3 0:6b0161c3e440 11 *
j3 0:6b0161c3e440 12 * @brief Source file for maxrefdes99 demo
j3 0:6b0161c3e440 13 ***********************************************************************
j3 0:6b0161c3e440 14 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
j3 0:6b0161c3e440 15 *
j3 0:6b0161c3e440 16 * Permission is hereby granted, free of charge, to any person obtaining a
j3 0:6b0161c3e440 17 * copy of this software and associated documentation files (the "Software"),
j3 0:6b0161c3e440 18 * to deal in the Software without restriction, including without limitation
j3 0:6b0161c3e440 19 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
j3 0:6b0161c3e440 20 * and/or sell copies of the Software, and to permit persons to whom the
j3 0:6b0161c3e440 21 * Software is furnished to do so, subject to the following conditions:
j3 0:6b0161c3e440 22 *
j3 0:6b0161c3e440 23 * The above copyright notice and this permission notice shall be included
j3 0:6b0161c3e440 24 * in all copies or substantial portions of the Software.
j3 0:6b0161c3e440 25 *
j3 0:6b0161c3e440 26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
j3 0:6b0161c3e440 27 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
j3 0:6b0161c3e440 28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
j3 0:6b0161c3e440 29 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
j3 0:6b0161c3e440 30 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
j3 0:6b0161c3e440 31 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
j3 0:6b0161c3e440 32 * OTHER DEALINGS IN THE SOFTWARE.
j3 0:6b0161c3e440 33 *
j3 0:6b0161c3e440 34 * Except as contained in this notice, the name of Maxim Integrated
j3 0:6b0161c3e440 35 * Products, Inc. shall not be used except as stated in the Maxim Integrated
j3 0:6b0161c3e440 36 * Products, Inc. Branding Policy.
j3 0:6b0161c3e440 37 *
j3 0:6b0161c3e440 38 * The mere transfer of this software does not imply any licenses
j3 0:6b0161c3e440 39 * of trade secrets, proprietary technology, copyrights, patents,
j3 0:6b0161c3e440 40 * trademarks, maskwork rights, or any other form of intellectual
j3 0:6b0161c3e440 41 * property whatsoever. Maxim Integrated Products, Inc. retains all
j3 0:6b0161c3e440 42 * ownership rights.
j3 0:6b0161c3e440 43 **********************************************************************/
j3 0:6b0161c3e440 44
j3 0:6b0161c3e440 45
j3 0:6b0161c3e440 46 #include "maxrefdes99.h"
j3 0:6b0161c3e440 47
j3 0:6b0161c3e440 48
j3 0:6b0161c3e440 49 //5x7 character bit map
j3 0:6b0161c3e440 50 static const uint8_t font_5x7[95][6] = {
j3 0:6b0161c3e440 51 {0x00,0x00,0x00,0x00,0x00,0x00}, // SPACE
j3 0:6b0161c3e440 52 {0x00,0x00,0x00,0x4F,0x00,0x00}, // !
j3 0:6b0161c3e440 53 {0x00,0x00,0x07,0x00,0x07,0x00}, // "
j3 0:6b0161c3e440 54 {0x00,0x14,0x7F,0x14,0x7F,0x14}, // #
j3 0:6b0161c3e440 55 {0x00,0x24,0x2A,0x7F,0x2A,0x12}, // $
j3 0:6b0161c3e440 56 {0x00,0x23,0x13,0x08,0x64,0x62}, // %
j3 0:6b0161c3e440 57 {0x00,0x36,0x49,0x55,0x22,0x50}, // &
j3 0:6b0161c3e440 58 {0x00,0x00,0x05,0x03,0x00,0x00}, // '
j3 0:6b0161c3e440 59 {0x00,0x00,0x1C,0x22,0x41,0x00}, // (
j3 0:6b0161c3e440 60 {0x00,0x00,0x41,0x22,0x1C,0x00}, // )
j3 0:6b0161c3e440 61 {0x00,0x14,0x08,0x3E,0x08,0x14}, // *
j3 0:6b0161c3e440 62 {0x00,0x08,0x08,0x3E,0x08,0x08}, // +
j3 0:6b0161c3e440 63 {0x00,0x00,0x50,0x30,0x00,0x00}, // ,
j3 0:6b0161c3e440 64 {0x00,0x08,0x08,0x08,0x08,0x08}, // -
j3 0:6b0161c3e440 65 {0x00,0x00,0x60,0x60,0x00,0x00}, // .
j3 0:6b0161c3e440 66 {0x00,0x20,0x10,0x08,0x04,0x02}, // /
j3 0:6b0161c3e440 67 {0x00,0x3E,0x51,0x49,0x45,0x3E}, // 0
j3 0:6b0161c3e440 68 {0x00,0x00,0x42,0x7F,0x40,0x00}, // 1
j3 0:6b0161c3e440 69 {0x00,0x42,0x61,0x51,0x49,0x46}, // 2
j3 0:6b0161c3e440 70 {0x00,0x21,0x41,0x45,0x4B,0x31}, // 3
j3 0:6b0161c3e440 71 {0x00,0x18,0x14,0x12,0x7F,0x10}, // 4
j3 0:6b0161c3e440 72 {0x00,0x27,0x45,0x45,0x45,0x39}, // 5
j3 0:6b0161c3e440 73 {0x00,0x3C,0x4A,0x49,0x49,0x30}, // 6
j3 0:6b0161c3e440 74 {0x00,0x01,0x71,0x09,0x05,0x03}, // 7
j3 0:6b0161c3e440 75 {0x00,0x36,0x49,0x49,0x49,0x36}, // 8
j3 0:6b0161c3e440 76 {0x00,0x06,0x49,0x49,0x29,0x1E}, // 9
j3 0:6b0161c3e440 77 {0x00,0x36,0x36,0x00,0x00,0x00}, // :
j3 0:6b0161c3e440 78 {0x00,0x56,0x36,0x00,0x00,0x00}, // ;
j3 0:6b0161c3e440 79 {0x00,0x08,0x14,0x22,0x41,0x00}, // <
j3 0:6b0161c3e440 80 {0x00,0x14,0x14,0x14,0x14,0x14}, // =
j3 0:6b0161c3e440 81 {0x00,0x00,0x41,0x22,0x14,0x08}, // >
j3 0:6b0161c3e440 82 {0x00,0x02,0x01,0x51,0x09,0x06}, // ?
j3 0:6b0161c3e440 83 {0x00,0x30,0x49,0x79,0x41,0x3E}, // @
j3 0:6b0161c3e440 84 {0x00,0x7E,0x11,0x11,0x11,0x7E}, // A
j3 0:6b0161c3e440 85 {0x00,0x7F,0x49,0x49,0x49,0x36}, // B
j3 0:6b0161c3e440 86 {0x00,0x3E,0x41,0x41,0x41,0x22}, // C
j3 0:6b0161c3e440 87 {0x00,0x7F,0x41,0x41,0x22,0x1C}, // D
j3 0:6b0161c3e440 88 {0x00,0x7F,0x49,0x49,0x49,0x41}, // E
j3 0:6b0161c3e440 89 {0x00,0x7F,0x09,0x09,0x09,0x01}, // F
j3 0:6b0161c3e440 90 {0x00,0x3E,0x41,0x49,0x49,0x7A}, // G
j3 0:6b0161c3e440 91 {0x00,0x7F,0x08,0x08,0x08,0x7F}, // H
j3 0:6b0161c3e440 92 {0x00,0x00,0x41,0x7F,0x41,0x00}, // I
j3 0:6b0161c3e440 93 {0x00,0x20,0x40,0x41,0x3F,0x01}, // J
j3 0:6b0161c3e440 94 {0x00,0x7F,0x08,0x14,0x22,0x41}, // K
j3 0:6b0161c3e440 95 {0x00,0x7F,0x40,0x40,0x40,0x40}, // L
j3 0:6b0161c3e440 96 {0x00,0x7F,0x02,0x0C,0x02,0x7F}, // M
j3 0:6b0161c3e440 97 {0x00,0x7F,0x04,0x08,0x10,0x7F}, // N
j3 0:6b0161c3e440 98 {0x00,0x3E,0x41,0x41,0x41,0x3E}, // O
j3 0:6b0161c3e440 99 {0x00,0x7F,0x09,0x09,0x09,0x06}, // P
j3 0:6b0161c3e440 100 {0x00,0x3E,0x41,0x51,0x21,0x5E}, // Q
j3 0:6b0161c3e440 101 {0x00,0x7F,0x09,0x19,0x29,0x46}, // R
j3 0:6b0161c3e440 102 {0x00,0x46,0x49,0x49,0x49,0x31}, // S
j3 0:6b0161c3e440 103 {0x00,0x01,0x01,0x7F,0x01,0x01}, // T
j3 0:6b0161c3e440 104 {0x00,0x3F,0x40,0x40,0x40,0x3F}, // U
j3 0:6b0161c3e440 105 {0x00,0x1F,0x20,0x40,0x20,0x1F}, // V
j3 0:6b0161c3e440 106 {0x00,0x3F,0x40,0x30,0x40,0x3F}, // W
j3 0:6b0161c3e440 107 {0x00,0x63,0x14,0x08,0x14,0x63}, // X
j3 0:6b0161c3e440 108 {0x00,0x07,0x08,0x70,0x08,0x07}, // Y
j3 0:6b0161c3e440 109 {0x00,0x61,0x51,0x49,0x45,0x43}, // Z
j3 0:6b0161c3e440 110 {0x00,0x00,0x7F,0x41,0x41,0x00}, // [
j3 0:6b0161c3e440 111 {0x00,0x02,0x04,0x08,0x10,0x20}, // backslash
j3 0:6b0161c3e440 112 {0x00,0x00,0x41,0x41,0x7F,0x00}, // ]
j3 0:6b0161c3e440 113 {0x00,0x04,0x02,0x01,0x02,0x04}, // ^
j3 0:6b0161c3e440 114 {0x00,0x40,0x40,0x40,0x40,0x40}, // _
j3 0:6b0161c3e440 115 {0x00,0x00,0x01,0x02,0x04,0x00}, // `
j3 0:6b0161c3e440 116 {0x00,0x20,0x54,0x54,0x54,0x78}, // a
j3 0:6b0161c3e440 117 {0x00,0x7F,0x50,0x48,0x48,0x30}, // b
j3 0:6b0161c3e440 118 {0x00,0x38,0x44,0x44,0x44,0x20}, // c
j3 0:6b0161c3e440 119 {0x00,0x38,0x44,0x44,0x48,0x7F}, // d
j3 0:6b0161c3e440 120 {0x00,0x38,0x54,0x54,0x54,0x18}, // e
j3 0:6b0161c3e440 121 {0x00,0x08,0x7E,0x09,0x01,0x02}, // f
j3 0:6b0161c3e440 122 {0x00,0x0C,0x52,0x52,0x52,0x3E}, // g
j3 0:6b0161c3e440 123 {0x00,0x7F,0x08,0x04,0x04,0x78}, // h
j3 0:6b0161c3e440 124 {0x00,0x00,0x44,0x7D,0x40,0x00}, // i
j3 0:6b0161c3e440 125 {0x00,0x20,0x40,0x44,0x3D,0x00}, // j
j3 0:6b0161c3e440 126 {0x00,0x7F,0x10,0x28,0x44,0x00}, // k
j3 0:6b0161c3e440 127 {0x00,0x00,0x41,0x7F,0x40,0x00}, // l
j3 0:6b0161c3e440 128 {0x00,0x78,0x04,0x58,0x44,0x78}, // m
j3 0:6b0161c3e440 129 {0x00,0x7C,0x08,0x04,0x04,0x78}, // n
j3 0:6b0161c3e440 130 {0x00,0x38,0x44,0x44,0x44,0x38}, // o
j3 0:6b0161c3e440 131 {0x00,0x7C,0x14,0x14,0x14,0x08}, // p
j3 0:6b0161c3e440 132 {0x00,0x08,0x14,0x14,0x18,0x7C}, // q
j3 0:6b0161c3e440 133 {0x00,0x7C,0x08,0x04,0x04,0x08}, // r
j3 0:6b0161c3e440 134 {0x00,0x48,0x54,0x54,0x54,0x20}, // s
j3 0:6b0161c3e440 135 {0x00,0x04,0x3F,0x44,0x40,0x20}, // t
j3 0:6b0161c3e440 136 {0x00,0x3C,0x40,0x40,0x20,0x7C}, // u
j3 0:6b0161c3e440 137 {0x00,0x1C,0x20,0x40,0x20,0x1C}, // v
j3 0:6b0161c3e440 138 {0x00,0x3C,0x40,0x30,0x40,0x3C}, // w
j3 0:6b0161c3e440 139 {0x00,0x44,0x28,0x10,0x28,0x44}, // x
j3 0:6b0161c3e440 140 {0x00,0x0C,0x50,0x50,0x50,0x3C}, // y
j3 0:6b0161c3e440 141 {0x00,0x44,0x64,0x54,0x4C,0x44}, // z
j3 0:6b0161c3e440 142 {0x00,0x00,0x08,0x36,0x41,0x00}, // {
j3 0:6b0161c3e440 143 {0x00,0x00,0x00,0x7F,0x00,0x00}, // |
j3 0:6b0161c3e440 144 {0x00,0x00,0x41,0x36,0x08,0x00}, // }
j3 0:6b0161c3e440 145 {0x00,0x0C,0x02,0x0C,0x10,0x0C} // ~
j3 0:6b0161c3e440 146 };
j3 0:6b0161c3e440 147
j3 0:6b0161c3e440 148
j3 0:6b0161c3e440 149 static uint8_t display_buff[256];
j3 0:6b0161c3e440 150 static uint8_t temp_buff[256];
j3 0:6b0161c3e440 151
j3 2:9fdd01cf0f88 152 static const uint8_t DISPLAY_BUFF_START = 0;
j3 2:9fdd01cf0f88 153 static const uint8_t DISPLAY_BUFF_END = 31;
j3 2:9fdd01cf0f88 154
j3 2:9fdd01cf0f88 155 static uint8_t buff_end = 0;
j3 0:6b0161c3e440 156
j3 0:6b0161c3e440 157 static const uint32_t MAX_STRING_LENGTH = 32;
j3 0:6b0161c3e440 158 static char str[MAX_STRING_LENGTH];
j3 0:6b0161c3e440 159
j3 0:6b0161c3e440 160
j3 0:6b0161c3e440 161 //*********************************************************************
j3 0:6b0161c3e440 162 void get_5x7_character(char c, uint8_t *char_buff)
j3 0:6b0161c3e440 163 {
j3 0:6b0161c3e440 164 uint16_t temp_data;
j3 0:6b0161c3e440 165 uint8_t idx, idy;
j3 0:6b0161c3e440 166
j3 0:6b0161c3e440 167 for(idx = 0; idx < 6; idx++)
j3 0:6b0161c3e440 168 {
j3 0:6b0161c3e440 169 //get byte of char from map and flip it, bit 0 becomes bit 7 and so on
j3 0:6b0161c3e440 170 temp_data = (0x00FF & (font_5x7[c - 0x20][idx]));
j3 0:6b0161c3e440 171 for(idy = 0; idy < 8; idy++)
j3 0:6b0161c3e440 172 {
j3 0:6b0161c3e440 173 temp_data = (temp_data | (((temp_data & (1 << idy)) << (15 - (idy*2)))));
j3 0:6b0161c3e440 174 }
j3 0:6b0161c3e440 175 temp_data = ((temp_data >> 8) & 0x00FF);
j3 0:6b0161c3e440 176
j3 0:6b0161c3e440 177 char_buff[idx] = ((uint8_t) temp_data);
j3 0:6b0161c3e440 178 }
j3 0:6b0161c3e440 179 }
j3 0:6b0161c3e440 180
j3 0:6b0161c3e440 181
j3 0:6b0161c3e440 182 //*********************************************************************
j3 2:9fdd01cf0f88 183 void print_char(Max7219 *p_display, uint8_t position99, char c)
j3 0:6b0161c3e440 184 {
j3 0:6b0161c3e440 185 uint8_t idx;
j3 2:9fdd01cf0f88 186 uint8_t char_buff[6];
j3 2:9fdd01cf0f88 187 uint8_t device;
j3 0:6b0161c3e440 188 uint8_t wrap_device;
j3 0:6b0161c3e440 189 uint8_t wrap_idx;
j3 2:9fdd01cf0f88 190 uint8_t buff_start = position99;
j3 0:6b0161c3e440 191
j3 0:6b0161c3e440 192 get_5x7_character(c, char_buff);
j3 2:9fdd01cf0f88 193
j3 2:9fdd01cf0f88 194 if(position99 < 33)
j3 0:6b0161c3e440 195 {
j3 2:9fdd01cf0f88 196 //get device and device_position
j3 2:9fdd01cf0f88 197 if(position99 > 8)
j3 2:9fdd01cf0f88 198 {
j3 2:9fdd01cf0f88 199 if(position99%8)
j3 2:9fdd01cf0f88 200 {
j3 2:9fdd01cf0f88 201 device = ((position99/8) + 1);
j3 2:9fdd01cf0f88 202 position99 = position99%8;
j3 2:9fdd01cf0f88 203 }
j3 2:9fdd01cf0f88 204 else
j3 2:9fdd01cf0f88 205 {
j3 2:9fdd01cf0f88 206 device = position99/8;
j3 2:9fdd01cf0f88 207 position99 = 8;
j3 2:9fdd01cf0f88 208 }
j3 2:9fdd01cf0f88 209 }
j3 2:9fdd01cf0f88 210 else
j3 2:9fdd01cf0f88 211 {
j3 2:9fdd01cf0f88 212 device = 1;
j3 2:9fdd01cf0f88 213 }
j3 2:9fdd01cf0f88 214
j3 2:9fdd01cf0f88 215 //check for dispaly wrap around
j3 2:9fdd01cf0f88 216 //(moving to next 8x8 grid cause character doesn't fit on current one)
j3 2:9fdd01cf0f88 217 if(position99 > 3)
j3 2:9fdd01cf0f88 218 {
j3 2:9fdd01cf0f88 219 wrap_idx = (9 - position99);
j3 2:9fdd01cf0f88 220 if(device < 4)
j3 2:9fdd01cf0f88 221 {
j3 2:9fdd01cf0f88 222 wrap_device = (device + 1);
j3 2:9fdd01cf0f88 223 }
j3 2:9fdd01cf0f88 224 else
j3 2:9fdd01cf0f88 225 {
j3 2:9fdd01cf0f88 226 wrap_device = 1;
j3 2:9fdd01cf0f88 227 }
j3 2:9fdd01cf0f88 228 }
j3 2:9fdd01cf0f88 229 else
j3 2:9fdd01cf0f88 230 {
j3 2:9fdd01cf0f88 231 wrap_idx = 6; //make bigger than idx, not used
j3 2:9fdd01cf0f88 232 wrap_device = 0; //not used
j3 2:9fdd01cf0f88 233 }
j3 2:9fdd01cf0f88 234
j3 2:9fdd01cf0f88 235 //print character to position
j3 2:9fdd01cf0f88 236 for(idx = 0; idx < 6; idx++)
j3 2:9fdd01cf0f88 237 {
j3 2:9fdd01cf0f88 238 //check for wrap
j3 2:9fdd01cf0f88 239 if((idx >= wrap_idx) && (device != 4))
j3 2:9fdd01cf0f88 240 {
j3 2:9fdd01cf0f88 241 p_display->write_digit(wrap_device, ((idx - wrap_idx) + 1), char_buff[idx]);
j3 2:9fdd01cf0f88 242 }
j3 2:9fdd01cf0f88 243 else
j3 2:9fdd01cf0f88 244 {
j3 2:9fdd01cf0f88 245 p_display->write_digit(device, (position99 + idx), char_buff[idx]);
j3 2:9fdd01cf0f88 246 }
j3 2:9fdd01cf0f88 247
j3 2:9fdd01cf0f88 248 buff_end = ((buff_start - 1) + idx);
j3 2:9fdd01cf0f88 249 display_buff[buff_end] = char_buff[idx];
j3 2:9fdd01cf0f88 250 }
j3 0:6b0161c3e440 251 }
j3 0:6b0161c3e440 252 else
j3 0:6b0161c3e440 253 {
j3 2:9fdd01cf0f88 254 for(idx = 0; idx < 6; idx++)
j3 2:9fdd01cf0f88 255 {
j3 2:9fdd01cf0f88 256 buff_end = ((buff_start - 1) + idx);
j3 2:9fdd01cf0f88 257 display_buff[buff_end] = char_buff[idx];
j3 2:9fdd01cf0f88 258 }
j3 0:6b0161c3e440 259 }
j3 0:6b0161c3e440 260 }
j3 0:6b0161c3e440 261
j3 0:6b0161c3e440 262
j3 0:6b0161c3e440 263 //*********************************************************************
j3 0:6b0161c3e440 264 void print_string(Max7219 *p_display, uint8_t position, const char *s)
j3 0:6b0161c3e440 265 {
j3 0:6b0161c3e440 266 uint8_t idx = 0;
j3 0:6b0161c3e440 267
j3 0:6b0161c3e440 268 while(s[idx] != '\0')
j3 0:6b0161c3e440 269 {
j3 0:6b0161c3e440 270 print_char(p_display, (position + (idx*6)), s[idx]);
j3 0:6b0161c3e440 271 idx++;
j3 0:6b0161c3e440 272 }
j3 0:6b0161c3e440 273 }
j3 0:6b0161c3e440 274
j3 0:6b0161c3e440 275
j3 0:6b0161c3e440 276 //*********************************************************************
j3 2:9fdd01cf0f88 277 void shift_display_right(Max7219 *p_display, uint8_t count, uint8_t ms_delay)
j3 0:6b0161c3e440 278 {
j3 0:6b0161c3e440 279 uint16_t idx, idy;
j3 2:9fdd01cf0f88 280 uint8_t position99;
j3 0:6b0161c3e440 281
j3 0:6b0161c3e440 282 for(idx = 0; idx < count; idx++)
j3 0:6b0161c3e440 283 {
j3 2:9fdd01cf0f88 284 for(idy = 0; idy < (buff_end + 1); idy++)
j3 0:6b0161c3e440 285 {
j3 2:9fdd01cf0f88 286 if(idy == buff_end)
j3 0:6b0161c3e440 287 {
j3 0:6b0161c3e440 288 temp_buff[0] = display_buff[idy];
j3 0:6b0161c3e440 289 }
j3 0:6b0161c3e440 290 else
j3 0:6b0161c3e440 291 {
j3 0:6b0161c3e440 292 temp_buff[idy + 1] = display_buff[idy];
j3 0:6b0161c3e440 293 }
j3 0:6b0161c3e440 294 }
j3 0:6b0161c3e440 295
j3 2:9fdd01cf0f88 296 for(idy = 0; idy < (buff_end + 1); idy++)
j3 0:6b0161c3e440 297 {
j3 0:6b0161c3e440 298 //save shifted display in buffer
j3 0:6b0161c3e440 299 display_buff[idy] = temp_buff[idy];
j3 0:6b0161c3e440 300
j3 2:9fdd01cf0f88 301 if(idy <= DISPLAY_BUFF_END)
j3 0:6b0161c3e440 302 {
j3 2:9fdd01cf0f88 303 position99 = ((idy - DISPLAY_BUFF_START) + 1);
j3 2:9fdd01cf0f88 304 if(position99 > 24)
j3 0:6b0161c3e440 305 {
j3 2:9fdd01cf0f88 306 if(position99 % 8)
j3 0:6b0161c3e440 307 {
j3 2:9fdd01cf0f88 308 position99 = position99 % 8;
j3 0:6b0161c3e440 309 }
j3 0:6b0161c3e440 310 else
j3 0:6b0161c3e440 311 {
j3 2:9fdd01cf0f88 312 position99 = 8;
j3 0:6b0161c3e440 313 }
j3 2:9fdd01cf0f88 314 p_display->write_digit(4, position99, display_buff[idy]);
j3 0:6b0161c3e440 315 }
j3 2:9fdd01cf0f88 316 else if(position99 > 16)
j3 0:6b0161c3e440 317 {
j3 2:9fdd01cf0f88 318 if(position99 % 8)
j3 0:6b0161c3e440 319 {
j3 2:9fdd01cf0f88 320 position99 = position99 % 8;
j3 0:6b0161c3e440 321 }
j3 0:6b0161c3e440 322 else
j3 0:6b0161c3e440 323 {
j3 2:9fdd01cf0f88 324 position99 = 8;
j3 0:6b0161c3e440 325 }
j3 2:9fdd01cf0f88 326 p_display->write_digit(3, position99, display_buff[idy]);
j3 0:6b0161c3e440 327 }
j3 2:9fdd01cf0f88 328 else if(position99 > 8)
j3 0:6b0161c3e440 329 {
j3 2:9fdd01cf0f88 330 if(position99 % 8)
j3 0:6b0161c3e440 331 {
j3 2:9fdd01cf0f88 332 position99 = position99 % 8;
j3 0:6b0161c3e440 333 }
j3 0:6b0161c3e440 334 else
j3 0:6b0161c3e440 335 {
j3 2:9fdd01cf0f88 336 position99 = 8;
j3 0:6b0161c3e440 337 }
j3 2:9fdd01cf0f88 338 p_display->write_digit(2, position99, display_buff[idy]);
j3 0:6b0161c3e440 339 }
j3 0:6b0161c3e440 340 else
j3 0:6b0161c3e440 341 {
j3 2:9fdd01cf0f88 342 p_display->write_digit(1, position99, display_buff[idy]);
j3 0:6b0161c3e440 343 }
j3 0:6b0161c3e440 344 }
j3 0:6b0161c3e440 345 }
j3 2:9fdd01cf0f88 346
j3 2:9fdd01cf0f88 347 wait_ms(ms_delay);
j3 0:6b0161c3e440 348 }
j3 0:6b0161c3e440 349 }
j3 0:6b0161c3e440 350
j3 0:6b0161c3e440 351
j3 2:9fdd01cf0f88 352 //*********************************************************************
j3 2:9fdd01cf0f88 353 void shift_display_left(Max7219 *p_display, uint8_t count, uint8_t ms_delay)
j3 0:6b0161c3e440 354 {
j3 0:6b0161c3e440 355 uint16_t idx, idy;
j3 2:9fdd01cf0f88 356 uint8_t position99;
j3 0:6b0161c3e440 357
j3 0:6b0161c3e440 358 for(idx = 0; idx < count; idx++)
j3 0:6b0161c3e440 359 {
j3 2:9fdd01cf0f88 360 for(idy = 0; idy < (buff_end + 1); idy++)
j3 0:6b0161c3e440 361 {
j3 0:6b0161c3e440 362 if(idy == 0)
j3 0:6b0161c3e440 363 {
j3 2:9fdd01cf0f88 364 temp_buff[buff_end] = display_buff[idy];
j3 0:6b0161c3e440 365 }
j3 0:6b0161c3e440 366 else
j3 0:6b0161c3e440 367 {
j3 0:6b0161c3e440 368 temp_buff[idy - 1] = display_buff[idy];
j3 0:6b0161c3e440 369 }
j3 0:6b0161c3e440 370 }
j3 0:6b0161c3e440 371
j3 2:9fdd01cf0f88 372 for(idy = 0; idy < (buff_end + 1); idy++)
j3 0:6b0161c3e440 373 {
j3 0:6b0161c3e440 374 //save shifted display in buffer
j3 0:6b0161c3e440 375 display_buff[idy] = temp_buff[idy];
j3 0:6b0161c3e440 376
j3 2:9fdd01cf0f88 377 if(idy <= DISPLAY_BUFF_END)
j3 0:6b0161c3e440 378 {
j3 2:9fdd01cf0f88 379 position99 = ((idy - DISPLAY_BUFF_START) + 1);
j3 2:9fdd01cf0f88 380 if(position99 > 24)
j3 0:6b0161c3e440 381 {
j3 2:9fdd01cf0f88 382 if(position99 % 8)
j3 0:6b0161c3e440 383 {
j3 2:9fdd01cf0f88 384 position99 = position99 % 8;
j3 0:6b0161c3e440 385 }
j3 0:6b0161c3e440 386 else
j3 0:6b0161c3e440 387 {
j3 2:9fdd01cf0f88 388 position99 = 8;
j3 0:6b0161c3e440 389 }
j3 2:9fdd01cf0f88 390 p_display->write_digit(4, position99, display_buff[idy]);
j3 0:6b0161c3e440 391 }
j3 2:9fdd01cf0f88 392 else if(position99 > 16)
j3 0:6b0161c3e440 393 {
j3 2:9fdd01cf0f88 394 if(position99 % 8)
j3 0:6b0161c3e440 395 {
j3 2:9fdd01cf0f88 396 position99 = position99 % 8;
j3 0:6b0161c3e440 397 }
j3 0:6b0161c3e440 398 else
j3 0:6b0161c3e440 399 {
j3 2:9fdd01cf0f88 400 position99 = 8;
j3 0:6b0161c3e440 401 }
j3 2:9fdd01cf0f88 402 p_display->write_digit(3, position99, display_buff[idy]);
j3 0:6b0161c3e440 403 }
j3 2:9fdd01cf0f88 404 else if(position99 > 8)
j3 0:6b0161c3e440 405 {
j3 2:9fdd01cf0f88 406 if(position99 % 8)
j3 0:6b0161c3e440 407 {
j3 2:9fdd01cf0f88 408 position99 = position99 % 8;
j3 0:6b0161c3e440 409 }
j3 0:6b0161c3e440 410 else
j3 0:6b0161c3e440 411 {
j3 2:9fdd01cf0f88 412 position99 = 8;
j3 0:6b0161c3e440 413 }
j3 2:9fdd01cf0f88 414 p_display->write_digit(2, position99, display_buff[idy]);
j3 0:6b0161c3e440 415 }
j3 0:6b0161c3e440 416 else
j3 0:6b0161c3e440 417 {
j3 2:9fdd01cf0f88 418 p_display->write_digit(1, position99, display_buff[idy]);
j3 0:6b0161c3e440 419 }
j3 0:6b0161c3e440 420 }
j3 0:6b0161c3e440 421 }
j3 2:9fdd01cf0f88 422
j3 2:9fdd01cf0f88 423 wait_ms(ms_delay);
j3 0:6b0161c3e440 424 }
j3 0:6b0161c3e440 425 }
j3 0:6b0161c3e440 426
j3 0:6b0161c3e440 427
j3 0:6b0161c3e440 428 //*********************************************************************
j3 0:6b0161c3e440 429 void quad_all_on(Max7219 *p_display, uint8_t quad)
j3 0:6b0161c3e440 430 {
j3 0:6b0161c3e440 431 if(quad > 1)
j3 0:6b0161c3e440 432 {
j3 0:6b0161c3e440 433 for(uint8_t idx = 0; idx < 8; idx++)
j3 0:6b0161c3e440 434 {
j3 0:6b0161c3e440 435 display_buff[((quad - 1)*8) + DISPLAY_BUFF_START + idx] = 0xFF;
j3 0:6b0161c3e440 436 }
j3 0:6b0161c3e440 437 }
j3 0:6b0161c3e440 438 else
j3 0:6b0161c3e440 439 {
j3 0:6b0161c3e440 440 for(uint8_t idx = 0; idx < 8; idx++)
j3 0:6b0161c3e440 441 {
j3 0:6b0161c3e440 442 display_buff[idx + DISPLAY_BUFF_START] = 0xFF;
j3 0:6b0161c3e440 443 }
j3 0:6b0161c3e440 444 }
j3 2:9fdd01cf0f88 445
j3 2:9fdd01cf0f88 446 if(buff_end < (quad * 8))
j3 2:9fdd01cf0f88 447 {
j3 2:9fdd01cf0f88 448 buff_end = (quad * 8);
j3 2:9fdd01cf0f88 449 }
j3 0:6b0161c3e440 450
j3 0:6b0161c3e440 451 p_display->device_all_on(quad);
j3 0:6b0161c3e440 452 }
j3 0:6b0161c3e440 453
j3 0:6b0161c3e440 454
j3 0:6b0161c3e440 455 //*********************************************************************
j3 0:6b0161c3e440 456 void quad_all_off(Max7219 *p_display, uint8_t quad)
j3 0:6b0161c3e440 457 {
j3 0:6b0161c3e440 458 if(quad > 1)
j3 0:6b0161c3e440 459 {
j3 0:6b0161c3e440 460 for(uint8_t idx = 0; idx < 8; idx++)
j3 0:6b0161c3e440 461 {
j3 0:6b0161c3e440 462 display_buff[((quad - 1)*8) + DISPLAY_BUFF_START + idx] = 0;
j3 0:6b0161c3e440 463 }
j3 0:6b0161c3e440 464 }
j3 0:6b0161c3e440 465 else
j3 0:6b0161c3e440 466 {
j3 0:6b0161c3e440 467 for(uint8_t idx = 0; idx < 8; idx++)
j3 0:6b0161c3e440 468 {
j3 0:6b0161c3e440 469 display_buff[idx + DISPLAY_BUFF_START] = 0;
j3 0:6b0161c3e440 470 }
j3 0:6b0161c3e440 471 }
j3 2:9fdd01cf0f88 472
j3 2:9fdd01cf0f88 473 //is buff_end in the quad?
j3 2:9fdd01cf0f88 474 if((((quad - 1) * 8) < buff_end) && ((quad * 8) > buff_end))
j3 2:9fdd01cf0f88 475 {
j3 2:9fdd01cf0f88 476 buff_end = ((quad - 1) * 8);
j3 2:9fdd01cf0f88 477 }
j3 2:9fdd01cf0f88 478 //leave it alone otherwise
j3 0:6b0161c3e440 479
j3 0:6b0161c3e440 480 p_display->device_all_off(quad);
j3 0:6b0161c3e440 481 }
j3 0:6b0161c3e440 482
j3 0:6b0161c3e440 483
j3 0:6b0161c3e440 484 //*********************************************************************
j3 0:6b0161c3e440 485 void all_on(Max7219 *p_display)
j3 0:6b0161c3e440 486 {
j3 2:9fdd01cf0f88 487 for(uint16_t idx = 0; idx < 32; idx++)
j3 0:6b0161c3e440 488 {
j3 0:6b0161c3e440 489 display_buff[idx] = 0xFF;
j3 0:6b0161c3e440 490 }
j3 2:9fdd01cf0f88 491
j3 2:9fdd01cf0f88 492 if(buff_end < 32)
j3 2:9fdd01cf0f88 493 {
j3 2:9fdd01cf0f88 494 buff_end = 32;
j3 2:9fdd01cf0f88 495 }
j3 0:6b0161c3e440 496
j3 0:6b0161c3e440 497 p_display->display_all_on();
j3 0:6b0161c3e440 498 }
j3 0:6b0161c3e440 499
j3 0:6b0161c3e440 500
j3 0:6b0161c3e440 501 //*********************************************************************
j3 0:6b0161c3e440 502 void all_off(Max7219 *p_display)
j3 0:6b0161c3e440 503 {
j3 2:9fdd01cf0f88 504 for(uint16_t idx = 0; idx < 32; idx++)
j3 0:6b0161c3e440 505 {
j3 0:6b0161c3e440 506 display_buff[idx] = 0;
j3 0:6b0161c3e440 507 }
j3 2:9fdd01cf0f88 508
j3 2:9fdd01cf0f88 509 if(buff_end < 32)
j3 2:9fdd01cf0f88 510 {
j3 2:9fdd01cf0f88 511 buff_end = 0;
j3 2:9fdd01cf0f88 512 }
j3 0:6b0161c3e440 513
j3 0:6b0161c3e440 514 p_display->display_all_off();
j3 0:6b0161c3e440 515 }
j3 0:6b0161c3e440 516
j3 0:6b0161c3e440 517
j3 0:6b0161c3e440 518 //*********************************************************************
j3 0:6b0161c3e440 519 void demo(Max7219 *display, max7219_configuration_t display_config, bool endless_loop)
j3 0:6b0161c3e440 520 {
j3 0:6b0161c3e440 521 uint8_t position = 1;
j3 0:6b0161c3e440 522 uint8_t idx = 0;
j3 0:6b0161c3e440 523
j3 0:6b0161c3e440 524 do
j3 0:6b0161c3e440 525 {
j3 0:6b0161c3e440 526 all_off(display);
j3 0:6b0161c3e440 527
j3 0:6b0161c3e440 528 if(position > 25)
j3 0:6b0161c3e440 529 {
j3 0:6b0161c3e440 530 position = 1;
j3 0:6b0161c3e440 531 }
j3 0:6b0161c3e440 532 printf("\nPosition = %d\n", position);
j3 0:6b0161c3e440 533
j3 0:6b0161c3e440 534 for(idx = 0x20; idx < 0x7F; idx++)
j3 0:6b0161c3e440 535 {
j3 0:6b0161c3e440 536 print_char(display, position, (char) idx);
j3 0:6b0161c3e440 537 wait(0.25);
j3 0:6b0161c3e440 538 }
j3 0:6b0161c3e440 539 position = (position + 8);
j3 0:6b0161c3e440 540
j3 0:6b0161c3e440 541 all_on(display);
j3 0:6b0161c3e440 542
j3 0:6b0161c3e440 543 for(idx = 0; idx < 16; idx++)
j3 0:6b0161c3e440 544 {
j3 0:6b0161c3e440 545 display_config.intensity = 15 - idx;
j3 0:6b0161c3e440 546 display->init_display(display_config);
j3 0:6b0161c3e440 547 wait_ms(50);
j3 0:6b0161c3e440 548 }
j3 0:6b0161c3e440 549
j3 0:6b0161c3e440 550 for(idx = 0; idx < 16; idx++)
j3 0:6b0161c3e440 551 {
j3 0:6b0161c3e440 552 display_config.intensity = idx;
j3 0:6b0161c3e440 553 display->init_display(display_config);
j3 0:6b0161c3e440 554 wait_ms(100);
j3 0:6b0161c3e440 555 }
j3 0:6b0161c3e440 556
j3 0:6b0161c3e440 557 wait_ms(100);
j3 0:6b0161c3e440 558 all_off(display);
j3 0:6b0161c3e440 559 wait_ms(100);
j3 0:6b0161c3e440 560
j3 0:6b0161c3e440 561 quad_all_on(display, 1);
j3 0:6b0161c3e440 562 wait_ms(500);
j3 0:6b0161c3e440 563 shift_display_right(display, 32, 100);
j3 0:6b0161c3e440 564 shift_display_left(display, 32, 100);
j3 0:6b0161c3e440 565 all_off(display);
j3 0:6b0161c3e440 566 wait_ms(100);
j3 0:6b0161c3e440 567
j3 0:6b0161c3e440 568 print_string(display, 1, "Maxim");
j3 0:6b0161c3e440 569 wait_ms(100);
j3 0:6b0161c3e440 570 shift_display_right(display, 32, 100);
j3 0:6b0161c3e440 571 shift_display_left(display, 32, 100);
j3 0:6b0161c3e440 572 wait_ms(100);
j3 0:6b0161c3e440 573 }
j3 0:6b0161c3e440 574 while(endless_loop);
j3 0:6b0161c3e440 575 }
j3 0:6b0161c3e440 576
j3 0:6b0161c3e440 577
j3 0:6b0161c3e440 578 //*********************************************************************
j3 0:6b0161c3e440 579 void endless_scroll_display(Max7219 *display, uint32_t scroll_right)
j3 0:6b0161c3e440 580 {
j3 0:6b0161c3e440 581 if(scroll_right)
j3 0:6b0161c3e440 582 {
j3 0:6b0161c3e440 583 printf("\nScrolling Right\n");
j3 0:6b0161c3e440 584 while(1)
j3 0:6b0161c3e440 585 {
j3 0:6b0161c3e440 586 shift_display_right(display, 1, 100);
j3 0:6b0161c3e440 587 }
j3 0:6b0161c3e440 588 }
j3 0:6b0161c3e440 589 else
j3 0:6b0161c3e440 590 {
j3 0:6b0161c3e440 591 printf("\nScrolling Left\n");
j3 0:6b0161c3e440 592 while(1)
j3 0:6b0161c3e440 593 {
j3 0:6b0161c3e440 594 shift_display_left(display, 1, 100);
j3 0:6b0161c3e440 595 }
j3 0:6b0161c3e440 596 }
j3 0:6b0161c3e440 597 }
j3 0:6b0161c3e440 598
j3 0:6b0161c3e440 599
j3 0:6b0161c3e440 600 //*********************************************************************
j3 0:6b0161c3e440 601 uint32_t print_menu(void)
j3 0:6b0161c3e440 602 {
j3 0:6b0161c3e440 603 uint32_t user_input;
j3 0:6b0161c3e440 604
j3 0:6b0161c3e440 605 printf("\nPlease select an option below:\n");
j3 0:6b0161c3e440 606 printf("%t1. Set Brightness\n");
j3 0:6b0161c3e440 607 printf("%t2. Print a characther to given position\n");
j3 0:6b0161c3e440 608 printf("%t3. Print a string to position\n");//TODO fix this case
j3 0:6b0161c3e440 609 printf("%t4. Shift display given number of position and direction\n"); //TODO fix this case
j3 0:6b0161c3e440 610 printf("%t5. Clear display\n");
j3 0:6b0161c3e440 611 printf("%t6. Run the Demo Rotuine\n");
j3 0:6b0161c3e440 612 printf("%t7. Run the Demo Rotuine In Endless Loop\n");
j3 0:6b0161c3e440 613 printf("%t8. Scroll Display In Endless Loop, left or right\n");
j3 0:6b0161c3e440 614 printf("%t9. Quit\n\n");
j3 0:6b0161c3e440 615
j3 0:6b0161c3e440 616 user_input = get_user_input(NULL, 9);
j3 0:6b0161c3e440 617
j3 0:6b0161c3e440 618 return(user_input);
j3 0:6b0161c3e440 619 }
j3 0:6b0161c3e440 620
j3 0:6b0161c3e440 621
j3 0:6b0161c3e440 622 //*********************************************************************
j3 0:6b0161c3e440 623 uint32_t get_user_input(char *msg, uint32_t max_val)
j3 0:6b0161c3e440 624 {
j3 0:6b0161c3e440 625 uint32_t user_input;
j3 0:6b0161c3e440 626
j3 0:6b0161c3e440 627 do
j3 0:6b0161c3e440 628 {
j3 0:6b0161c3e440 629 printf(msg);
j3 0:6b0161c3e440 630
j3 0:6b0161c3e440 631 //get user input
j3 0:6b0161c3e440 632 fgets(str, MAX_STRING_LENGTH, stdin);
j3 0:6b0161c3e440 633
j3 0:6b0161c3e440 634 //Remove trailing newline and CR, if there.
j3 0:6b0161c3e440 635 if((strlen(str) > 0 ) && (str[strlen(str) - 1] == 0x0A) && (str[strlen(str) - 2] == 0x0D))
j3 0:6b0161c3e440 636 {
j3 0:6b0161c3e440 637 str[strlen(str) - 1] = '\0';
j3 0:6b0161c3e440 638 str[strlen(str) - 1] = '\0';
j3 0:6b0161c3e440 639 }
j3 0:6b0161c3e440 640
j3 0:6b0161c3e440 641 user_input = strtoul(str, NULL, 0);
j3 0:6b0161c3e440 642
j3 0:6b0161c3e440 643 printf("\nYou entered = %d\n", user_input);
j3 0:6b0161c3e440 644
j3 0:6b0161c3e440 645 if(user_input > max_val)
j3 0:6b0161c3e440 646 {
j3 0:6b0161c3e440 647 printf("\nOut of range\n");
j3 0:6b0161c3e440 648 }
j3 0:6b0161c3e440 649
j3 0:6b0161c3e440 650 }
j3 0:6b0161c3e440 651 while(user_input > max_val);
j3 0:6b0161c3e440 652
j3 0:6b0161c3e440 653 return(user_input);
j3 0:6b0161c3e440 654 }
j3 0:6b0161c3e440 655
j3 0:6b0161c3e440 656
j3 0:6b0161c3e440 657 //*********************************************************************
j3 0:6b0161c3e440 658 char get_user_char(char *msg)
j3 0:6b0161c3e440 659 {
j3 0:6b0161c3e440 660
j3 0:6b0161c3e440 661 do
j3 0:6b0161c3e440 662 {
j3 0:6b0161c3e440 663 printf(msg);
j3 0:6b0161c3e440 664
j3 0:6b0161c3e440 665 //get user input
j3 2:9fdd01cf0f88 666 fgets(str, 4, stdin);
j3 0:6b0161c3e440 667
j3 0:6b0161c3e440 668 //Remove trailing newline and CR, if there.
j3 0:6b0161c3e440 669 if((strlen(str) > 0 ) && (str[strlen(str) - 1] == 0x0A) && (str[strlen(str) - 2] == 0x0D))
j3 0:6b0161c3e440 670 {
j3 0:6b0161c3e440 671 str[strlen(str) - 1] = '\0';
j3 0:6b0161c3e440 672 str[strlen(str) - 1] = '\0';
j3 0:6b0161c3e440 673 }
j3 0:6b0161c3e440 674
j3 0:6b0161c3e440 675 printf("\nYou entered = %c\n", str[0]);
j3 0:6b0161c3e440 676
j3 0:6b0161c3e440 677 if((str[0] < 0x20) || (str[0] > 0x7E))
j3 0:6b0161c3e440 678 {
j3 0:6b0161c3e440 679 printf("\nOut of range\n");
j3 0:6b0161c3e440 680 }
j3 0:6b0161c3e440 681 }
j3 0:6b0161c3e440 682 while((str[0] < 0x20) || (str[0] > 0x7E));
j3 0:6b0161c3e440 683
j3 0:6b0161c3e440 684 return(str[0]);
j3 0:6b0161c3e440 685 }
j3 0:6b0161c3e440 686
j3 0:6b0161c3e440 687
j3 0:6b0161c3e440 688 //*********************************************************************
j3 0:6b0161c3e440 689 char * get_user_string(char *msg)
j3 0:6b0161c3e440 690 {
j3 0:6b0161c3e440 691 printf(msg);
j3 0:6b0161c3e440 692 //get user input
j3 0:6b0161c3e440 693 fgets(str, MAX_STRING_LENGTH, stdin);
j3 0:6b0161c3e440 694 //Remove trailing newline and CR, if there.
j3 0:6b0161c3e440 695 if((strlen(str) > 0 ) && (str[strlen(str) - 1] == 0x0A) && (str[strlen(str) - 2] == 0x0D))
j3 0:6b0161c3e440 696 {
j3 0:6b0161c3e440 697 str[strlen(str) - 1] = '\0';
j3 0:6b0161c3e440 698 str[strlen(str) - 1] = '\0';
j3 0:6b0161c3e440 699 }
j3 0:6b0161c3e440 700
j3 0:6b0161c3e440 701 return(str);
j3 0:6b0161c3e440 702 }
j3 0:6b0161c3e440 703