Revision 276
cleaned up library - dos2unix and delete-trailing-whitespace
lcd.c | ||
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/** |
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* Copyright (c) 2007 Colony Project |
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* |
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* Permission is hereby granted, free of charge, to any person |
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* obtaining a copy of this software and associated documentation |
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* files (the "Software"), to deal in the Software without |
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* restriction, including without limitation the rights to use, |
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* copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the |
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* Software is furnished to do so, subject to the following |
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* conditions: |
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* |
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* The above copyright notice and this permission notice shall be |
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* included in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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* OTHER DEALINGS IN THE SOFTWARE. |
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**/ |
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/** |
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* @file lcd.c |
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* @brief LCD |
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* |
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* Implementation of functions for using the LCD. |
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* |
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* @author Colony Project, CMU Robotics Club |
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**/ |
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#include <avr/io.h> |
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#include <lcd.h> |
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#include <time.h> |
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//LCD defines |
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#define RST _BV(4) // pd4 (GPIO) |
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#define SCE _BV(0) // pb0 (~SS) |
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#define D_C _BV(5) // pd5 (GPIO?) |
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#define SDI _BV(2) // pb2 (MOSI) |
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#define SCK _BV(1) // pb1 (SCK) |
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#define LCDPORT PORTB |
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#define LCDDDR DDRB |
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#define LCDRESETPORT PORTD |
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#define LCDRESETDDR DDRD |
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void lcd_putbyte(unsigned char b); |
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//**************************************Old shit below!***************** |
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/* |
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FontLookup - a lookup table for all characters |
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*/ |
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static const unsigned char FontLookup [][5] = |
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{ |
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{ 0x00, 0x00, 0x00, 0x00, 0x00 }, // sp |
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{ 0x00, 0x00, 0x5f, 0x00, 0x00 }, // ! |
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{ 0x00, 0x07, 0x00, 0x07, 0x00 }, // " |
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{ 0x14, 0x7f, 0x14, 0x7f, 0x14 }, // # |
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{ 0x24, 0x2a, 0x7f, 0x2a, 0x12 }, // $ |
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{ 0x23, 0x13, 0x08, 0x64, 0x62 }, // % |
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{ 0x36, 0x49, 0x55, 0x22, 0x50 }, // & |
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{ 0x00, 0x05, 0x03, 0x00, 0x00 }, // ' |
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{ 0x00, 0x1c, 0x22, 0x41, 0x00 }, // ( |
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{ 0x00, 0x41, 0x22, 0x1c, 0x00 }, // ) |
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{ 0x14, 0x08, 0x3E, 0x08, 0x14 }, // * |
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{ 0x08, 0x08, 0x3E, 0x08, 0x08 }, // + |
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{ 0x00, 0x00, 0x50, 0x30, 0x00 }, // , |
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{ 0x10, 0x10, 0x10, 0x10, 0x10 }, // - |
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{ 0x00, 0x60, 0x60, 0x00, 0x00 }, // . |
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{ 0x20, 0x10, 0x08, 0x04, 0x02 }, // / |
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{ 0x3E, 0x51, 0x49, 0x45, 0x3E }, // 0 |
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{ 0x00, 0x42, 0x7F, 0x40, 0x00 }, // 1 |
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{ 0x42, 0x61, 0x51, 0x49, 0x46 }, // 2 |
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{ 0x21, 0x41, 0x45, 0x4B, 0x31 }, // 3 |
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{ 0x18, 0x14, 0x12, 0x7F, 0x10 }, // 4 |
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{ 0x27, 0x45, 0x45, 0x45, 0x39 }, // 5 |
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{ 0x3C, 0x4A, 0x49, 0x49, 0x30 }, // 6 |
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{ 0x01, 0x71, 0x09, 0x05, 0x03 }, // 7 |
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{ 0x36, 0x49, 0x49, 0x49, 0x36 }, // 8 |
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{ 0x06, 0x49, 0x49, 0x29, 0x1E }, // 9 |
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{ 0x00, 0x36, 0x36, 0x00, 0x00 }, // : |
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{ 0x00, 0x56, 0x36, 0x00, 0x00 }, // ; |
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{ 0x08, 0x14, 0x22, 0x41, 0x00 }, // < |
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{ 0x14, 0x14, 0x14, 0x14, 0x14 }, // = |
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{ 0x00, 0x41, 0x22, 0x14, 0x08 }, // > |
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{ 0x02, 0x01, 0x51, 0x09, 0x06 }, // ? |
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{ 0x32, 0x49, 0x59, 0x51, 0x3E }, // @ |
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{ 0x7E, 0x11, 0x11, 0x11, 0x7E }, // A |
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{ 0x7F, 0x49, 0x49, 0x49, 0x36 }, // B |
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{ 0x3E, 0x41, 0x41, 0x41, 0x22 }, // C |
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{ 0x7F, 0x41, 0x41, 0x22, 0x1C }, // D |
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{ 0x7F, 0x49, 0x49, 0x49, 0x41 }, // E |
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{ 0x7F, 0x09, 0x09, 0x09, 0x01 }, // F |
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{ 0x3E, 0x41, 0x49, 0x49, 0x7A }, // G |
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{ 0x7F, 0x08, 0x08, 0x08, 0x7F }, // H |
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{ 0x00, 0x41, 0x7F, 0x41, 0x00 }, // I |
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{ 0x20, 0x40, 0x41, 0x3F, 0x01 }, // J |
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{ 0x7F, 0x08, 0x14, 0x22, 0x41 }, // K |
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{ 0x7F, 0x40, 0x40, 0x40, 0x40 }, // L |
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{ 0x7F, 0x02, 0x0C, 0x02, 0x7F }, // M |
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{ 0x7F, 0x04, 0x08, 0x10, 0x7F }, // N |
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{ 0x3E, 0x41, 0x41, 0x41, 0x3E }, // O |
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{ 0x7F, 0x09, 0x09, 0x09, 0x06 }, // P |
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{ 0x3E, 0x41, 0x51, 0x21, 0x5E }, // Q |
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{ 0x7F, 0x09, 0x19, 0x29, 0x46 }, // R |
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{ 0x46, 0x49, 0x49, 0x49, 0x31 }, // S |
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{ 0x01, 0x01, 0x7F, 0x01, 0x01 }, // T |
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{ 0x3F, 0x40, 0x40, 0x40, 0x3F }, // U |
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{ 0x1F, 0x20, 0x40, 0x20, 0x1F }, // V |
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{ 0x3F, 0x40, 0x38, 0x40, 0x3F }, // W |
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{ 0x63, 0x14, 0x08, 0x14, 0x63 }, // X |
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{ 0x07, 0x08, 0x70, 0x08, 0x07 }, // Y |
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{ 0x61, 0x51, 0x49, 0x45, 0x43 }, // Z |
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{ 0x00, 0x7F, 0x41, 0x41, 0x00 }, // [ |
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{ 0x02, 0x04, 0x08, 0x10, 0x20 }, // backslash |
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{ 0x00, 0x41, 0x41, 0x7F, 0x00 }, // ] |
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{ 0x04, 0x02, 0x01, 0x02, 0x04 }, // ^ |
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{ 0x40, 0x40, 0x40, 0x40, 0x40 }, // _ |
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{ 0x00, 0x01, 0x02, 0x04, 0x00 }, // ' |
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{ 0x20, 0x54, 0x54, 0x54, 0x78 }, // a |
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{ 0x7F, 0x48, 0x44, 0x44, 0x38 }, // b |
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{ 0x38, 0x44, 0x44, 0x44, 0x20 }, // c |
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{ 0x38, 0x44, 0x44, 0x48, 0x7F }, // d |
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{ 0x38, 0x54, 0x54, 0x54, 0x18 }, // e |
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{ 0x08, 0x7E, 0x09, 0x01, 0x02 }, // f |
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{ 0x0C, 0x52, 0x52, 0x52, 0x3E }, // g |
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{ 0x7F, 0x08, 0x04, 0x04, 0x78 }, // h |
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{ 0x00, 0x44, 0x7D, 0x40, 0x00 }, // i |
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{ 0x20, 0x40, 0x44, 0x3D, 0x00 }, // j |
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{ 0x7F, 0x10, 0x28, 0x44, 0x00 }, // k |
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{ 0x00, 0x41, 0x7F, 0x40, 0x00 }, // l |
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{ 0x7C, 0x04, 0x18, 0x04, 0x78 }, // m |
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{ 0x7C, 0x08, 0x04, 0x04, 0x78 }, // n |
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{ 0x38, 0x44, 0x44, 0x44, 0x38 }, // o |
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{ 0x7C, 0x14, 0x14, 0x14, 0x08 }, // p |
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{ 0x08, 0x14, 0x14, 0x18, 0x7C }, // q |
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{ 0x7C, 0x08, 0x04, 0x04, 0x08 }, // r |
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{ 0x48, 0x54, 0x54, 0x54, 0x20 }, // s |
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{ 0x04, 0x3F, 0x44, 0x40, 0x20 }, // t |
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{ 0x3C, 0x40, 0x40, 0x20, 0x7C }, // u |
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{ 0x1C, 0x20, 0x40, 0x20, 0x1C }, // v |
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{ 0x3C, 0x40, 0x30, 0x40, 0x3C }, // w |
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{ 0x44, 0x28, 0x10, 0x28, 0x44 }, // x |
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{ 0x0C, 0x50, 0x50, 0x50, 0x3C }, // y |
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{ 0x44, 0x64, 0x54, 0x4C, 0x44 }, // z |
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{ 0x00, 0x08, 0x36, 0x41, 0x41 }, // { |
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{ 0x00, 0x00, 0x7F, 0x00, 0x00 }, // | |
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{ 0x41, 0x41, 0x36, 0x08, 0x00 }, // } |
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{ 0x02, 0x01, 0x01, 0x02, 0x01 }, // ~ |
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{ 0x55, 0x2A, 0x55, 0x2A, 0x55 }, // del |
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}; |
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/** |
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* @defgroup lcd LCD |
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* @brief Functions for the LCD |
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* Functions for writing to the LCD. |
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* All functions may be found in lcd.h. |
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* |
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* @{ |
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**/ |
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/** |
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* Initializes the LCD. Must be called before any other |
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* LCD functions. |
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**/ |
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void lcd_init(void) |
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{ |
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LCDDDR |= (SCE | SDI | SCK); |
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LCDRESETDDR |= (RST|D_C); |
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LCDPORT &= ~( SCE | SDI | SCK); |
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LCDRESETPORT &=~(D_C); |
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SPCR |= 0x50;//0b01010000; // no SPI int, SPI en, Master, sample on rising edge, fosc/2 |
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SPSR |= 0x01; // a continuation of the above |
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LCDRESETPORT |= RST; |
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delay_ms(10); |
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LCDRESETPORT &= (~RST); |
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delay_ms(100); |
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LCDRESETPORT |= RST; |
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lcd_putbyte( 0x21 ); // LCD Extended Commands. |
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lcd_putbyte( 0xC8 ); // Set LCD Vop (Contrast). |
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lcd_putbyte( 0x06 ); // Set Temp coefficent. |
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lcd_putbyte( 0x13 ); // LCD bias mode 1:48. |
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lcd_putbyte( 0x20 ); // LCD Standard Commands, Horizontal addressing mode. |
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lcd_putbyte( 0x0C ); // LCD in normal mode. |
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LCDRESETPORT |= D_C; //put it in init instead of main |
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lcd_clear_screen(); |
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} |
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/** |
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* Clears the LCD screen. lcd_init must be called first. |
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* |
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* @see lcd_init |
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**/ |
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void lcd_clear_screen( void ) { |
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int i; |
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for (i = 0; i < 504; i++) |
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lcd_putbyte(0x0); |
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lcd_gotoxy(0,0); |
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} |
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/** |
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* Prints a character on the LCD screen. lcd_init |
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* must be called before this function may be used. |
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* |
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* @param c the character to print |
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* |
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* @see lcd_init |
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**/ |
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void lcd_putc(char c) |
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{ |
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int i; |
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for (i = 0; i < 5; i++) |
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lcd_putbyte(FontLookup[c-32][i]); |
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lcd_putbyte(0); |
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} |
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/* |
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print an entire string to the lcd |
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*/ |
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void lcd_puts(char *s) |
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{ |
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char *t = s; |
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while (*t != 0) |
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{ |
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lcd_putc(*t); |
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t++; |
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} |
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} |
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/* |
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go to coordinate x, y |
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y: vertically - 1 char |
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x: horizontally - 1 pixel |
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multiply x by 6 if want to move 1 entire character |
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origin (0,0) is at top left corner of lcd screen |
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*/ |
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/** |
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* Move the current cursor position to the one specified. |
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* lcd_init must be called before this function may be used. |
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* |
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* @param x The x coordinate of the new position |
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* @param y The y coordinate of the new position |
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* |
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* @see lcd_init |
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**/ |
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void lcd_gotoxy(int x, int y) |
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{ |
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LCDRESETPORT &= ~(D_C); |
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lcd_putbyte(0x40 | (y & 0x07)); |
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lcd_putbyte(0x80 | (x & 0x7f)); |
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LCDRESETPORT |= D_C; |
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} |
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/* |
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prints an int to the lcd |
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code adapted from Chris Efstathiou's code (hendrix@otenet.gr) |
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*/ |
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/** |
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* Print an integer to the LCD screen. |
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* lcd_init must be called before this function may be used. |
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* |
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* @param value the integer to print |
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* |
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* @see lcd_init |
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**/ |
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void lcd_puti(int value ) |
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{ |
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unsigned char lcd_data[6]={'0','0','0','0','0','0' }, position=sizeof(lcd_data), radix=10; |
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/* convert int to ascii */ |
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if(value<0) { lcd_putc('-'); value=-value; } |
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do { position--; *(lcd_data+position)=(value%radix)+'0'; value/=radix; } while(value); |
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/* start displaying the number */ |
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for(;position<=(sizeof(lcd_data)-1);position++) |
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lcd_putc(lcd_data[position]); |
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return; |
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} |
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/** @} **/ //end defgroup |
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void lcd_putbyte(unsigned char b) |
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{ |
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SPDR = b; |
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while (!(SPSR & 0x80)); /* Wait until SPI transaction is complete */ |
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} |
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|
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/** |
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* Copyright (c) 2007 Colony Project |
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* |
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* Permission is hereby granted, free of charge, to any person |
|
5 |
* obtaining a copy of this software and associated documentation |
|
6 |
* files (the "Software"), to deal in the Software without |
|
7 |
* restriction, including without limitation the rights to use, |
|
8 |
* copy, modify, merge, publish, distribute, sublicense, and/or sell |
|
9 |
* copies of the Software, and to permit persons to whom the |
|
10 |
* Software is furnished to do so, subject to the following |
|
11 |
* conditions: |
|
12 |
* |
|
13 |
* The above copyright notice and this permission notice shall be |
|
14 |
* included in all copies or substantial portions of the Software. |
|
15 |
* |
|
16 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
|
17 |
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
|
18 |
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
|
19 |
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
|
20 |
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
|
21 |
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
|
22 |
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
|
23 |
* OTHER DEALINGS IN THE SOFTWARE. |
|
24 |
**/ |
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25 |
|
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/** |
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* @file lcd.c |
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* @brief LCD |
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* |
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31 |
* Implementation of functions for using the LCD. |
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32 |
* |
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33 |
* @author Colony Project, CMU Robotics Club |
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**/ |
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#include <avr/io.h> |
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#include <lcd.h> |
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#include <time.h> |
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//LCD defines |
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#define RST _BV(4) // pd4 (GPIO) |
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#define SCE _BV(0) // pb0 (~SS) |
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#define D_C _BV(5) // pd5 (GPIO?) |
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#define SDI _BV(2) // pb2 (MOSI) |
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#define SCK _BV(1) // pb1 (SCK) |
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#define LCDPORT PORTB |
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#define LCDDDR DDRB |
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|
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#define LCDRESETPORT PORTD |
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#define LCDRESETDDR DDRD |
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|
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void lcd_putbyte(unsigned char b); |
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53 |
|
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54 |
|
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55 |
//**************************************Old shit below!***************** |
|
56 |
/* |
|
57 |
FontLookup - a lookup table for all characters |
|
58 |
*/ |
|
59 |
static const unsigned char FontLookup [][5] = |
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60 |
{ |
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61 |
{ 0x00, 0x00, 0x00, 0x00, 0x00 }, // sp |
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62 |
{ 0x00, 0x00, 0x5f, 0x00, 0x00 }, // ! |
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63 |
{ 0x00, 0x07, 0x00, 0x07, 0x00 }, // " |
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64 |
{ 0x14, 0x7f, 0x14, 0x7f, 0x14 }, // # |
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65 |
{ 0x24, 0x2a, 0x7f, 0x2a, 0x12 }, // $ |
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66 |
{ 0x23, 0x13, 0x08, 0x64, 0x62 }, // % |
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67 |
{ 0x36, 0x49, 0x55, 0x22, 0x50 }, // & |
|
68 |
{ 0x00, 0x05, 0x03, 0x00, 0x00 }, // ' |
|
69 |
{ 0x00, 0x1c, 0x22, 0x41, 0x00 }, // ( |
|
70 |
{ 0x00, 0x41, 0x22, 0x1c, 0x00 }, // ) |
|
71 |
{ 0x14, 0x08, 0x3E, 0x08, 0x14 }, // * |
|
72 |
{ 0x08, 0x08, 0x3E, 0x08, 0x08 }, // + |
|
73 |
{ 0x00, 0x00, 0x50, 0x30, 0x00 }, // , |
|
74 |
{ 0x10, 0x10, 0x10, 0x10, 0x10 }, // - |
|
75 |
{ 0x00, 0x60, 0x60, 0x00, 0x00 }, // . |
|
76 |
{ 0x20, 0x10, 0x08, 0x04, 0x02 }, // / |
|
77 |
{ 0x3E, 0x51, 0x49, 0x45, 0x3E }, // 0 |
|
78 |
{ 0x00, 0x42, 0x7F, 0x40, 0x00 }, // 1 |
|
79 |
{ 0x42, 0x61, 0x51, 0x49, 0x46 }, // 2 |
|
80 |
{ 0x21, 0x41, 0x45, 0x4B, 0x31 }, // 3 |
|
81 |
{ 0x18, 0x14, 0x12, 0x7F, 0x10 }, // 4 |
|
82 |
{ 0x27, 0x45, 0x45, 0x45, 0x39 }, // 5 |
|
83 |
{ 0x3C, 0x4A, 0x49, 0x49, 0x30 }, // 6 |
|
84 |
{ 0x01, 0x71, 0x09, 0x05, 0x03 }, // 7 |
|
85 |
{ 0x36, 0x49, 0x49, 0x49, 0x36 }, // 8 |
|
86 |
{ 0x06, 0x49, 0x49, 0x29, 0x1E }, // 9 |
|
87 |
{ 0x00, 0x36, 0x36, 0x00, 0x00 }, // : |
|
88 |
{ 0x00, 0x56, 0x36, 0x00, 0x00 }, // ; |
|
89 |
{ 0x08, 0x14, 0x22, 0x41, 0x00 }, // < |
|
90 |
{ 0x14, 0x14, 0x14, 0x14, 0x14 }, // = |
|
91 |
{ 0x00, 0x41, 0x22, 0x14, 0x08 }, // > |
|
92 |
{ 0x02, 0x01, 0x51, 0x09, 0x06 }, // ? |
|
93 |
{ 0x32, 0x49, 0x59, 0x51, 0x3E }, // @ |
|
94 |
{ 0x7E, 0x11, 0x11, 0x11, 0x7E }, // A |
|
95 |
{ 0x7F, 0x49, 0x49, 0x49, 0x36 }, // B |
|
96 |
{ 0x3E, 0x41, 0x41, 0x41, 0x22 }, // C |
|
97 |
{ 0x7F, 0x41, 0x41, 0x22, 0x1C }, // D |
|
98 |
{ 0x7F, 0x49, 0x49, 0x49, 0x41 }, // E |
|
99 |
{ 0x7F, 0x09, 0x09, 0x09, 0x01 }, // F |
|
100 |
{ 0x3E, 0x41, 0x49, 0x49, 0x7A }, // G |
|
101 |
{ 0x7F, 0x08, 0x08, 0x08, 0x7F }, // H |
|
102 |
{ 0x00, 0x41, 0x7F, 0x41, 0x00 }, // I |
|
103 |
{ 0x20, 0x40, 0x41, 0x3F, 0x01 }, // J |
|
104 |
{ 0x7F, 0x08, 0x14, 0x22, 0x41 }, // K |
|
105 |
{ 0x7F, 0x40, 0x40, 0x40, 0x40 }, // L |
|
106 |
{ 0x7F, 0x02, 0x0C, 0x02, 0x7F }, // M |
|
107 |
{ 0x7F, 0x04, 0x08, 0x10, 0x7F }, // N |
|
108 |
{ 0x3E, 0x41, 0x41, 0x41, 0x3E }, // O |
|
109 |
{ 0x7F, 0x09, 0x09, 0x09, 0x06 }, // P |
|
110 |
{ 0x3E, 0x41, 0x51, 0x21, 0x5E }, // Q |
|
111 |
{ 0x7F, 0x09, 0x19, 0x29, 0x46 }, // R |
|
112 |
{ 0x46, 0x49, 0x49, 0x49, 0x31 }, // S |
|
113 |
{ 0x01, 0x01, 0x7F, 0x01, 0x01 }, // T |
|
114 |
{ 0x3F, 0x40, 0x40, 0x40, 0x3F }, // U |
|
115 |
{ 0x1F, 0x20, 0x40, 0x20, 0x1F }, // V |
|
116 |
{ 0x3F, 0x40, 0x38, 0x40, 0x3F }, // W |
|
117 |
{ 0x63, 0x14, 0x08, 0x14, 0x63 }, // X |
|
118 |
{ 0x07, 0x08, 0x70, 0x08, 0x07 }, // Y |
|
119 |
{ 0x61, 0x51, 0x49, 0x45, 0x43 }, // Z |
|
120 |
{ 0x00, 0x7F, 0x41, 0x41, 0x00 }, // [ |
|
121 |
{ 0x02, 0x04, 0x08, 0x10, 0x20 }, // backslash |
|
122 |
{ 0x00, 0x41, 0x41, 0x7F, 0x00 }, // ] |
|
123 |
{ 0x04, 0x02, 0x01, 0x02, 0x04 }, // ^ |
|
124 |
{ 0x40, 0x40, 0x40, 0x40, 0x40 }, // _ |
|
125 |
{ 0x00, 0x01, 0x02, 0x04, 0x00 }, // ' |
|
126 |
{ 0x20, 0x54, 0x54, 0x54, 0x78 }, // a |
|
127 |
{ 0x7F, 0x48, 0x44, 0x44, 0x38 }, // b |
|
128 |
{ 0x38, 0x44, 0x44, 0x44, 0x20 }, // c |
|
129 |
{ 0x38, 0x44, 0x44, 0x48, 0x7F }, // d |
|
130 |
{ 0x38, 0x54, 0x54, 0x54, 0x18 }, // e |
|
131 |
{ 0x08, 0x7E, 0x09, 0x01, 0x02 }, // f |
|
132 |
{ 0x0C, 0x52, 0x52, 0x52, 0x3E }, // g |
|
133 |
{ 0x7F, 0x08, 0x04, 0x04, 0x78 }, // h |
|
134 |
{ 0x00, 0x44, 0x7D, 0x40, 0x00 }, // i |
|
135 |
{ 0x20, 0x40, 0x44, 0x3D, 0x00 }, // j |
|
136 |
{ 0x7F, 0x10, 0x28, 0x44, 0x00 }, // k |
|
137 |
{ 0x00, 0x41, 0x7F, 0x40, 0x00 }, // l |
|
138 |
{ 0x7C, 0x04, 0x18, 0x04, 0x78 }, // m |
|
139 |
{ 0x7C, 0x08, 0x04, 0x04, 0x78 }, // n |
|
140 |
{ 0x38, 0x44, 0x44, 0x44, 0x38 }, // o |
|
141 |
{ 0x7C, 0x14, 0x14, 0x14, 0x08 }, // p |
|
142 |
{ 0x08, 0x14, 0x14, 0x18, 0x7C }, // q |
|
143 |
{ 0x7C, 0x08, 0x04, 0x04, 0x08 }, // r |
|
144 |
{ 0x48, 0x54, 0x54, 0x54, 0x20 }, // s |
|
145 |
{ 0x04, 0x3F, 0x44, 0x40, 0x20 }, // t |
|
146 |
{ 0x3C, 0x40, 0x40, 0x20, 0x7C }, // u |
|
147 |
{ 0x1C, 0x20, 0x40, 0x20, 0x1C }, // v |
|
148 |
{ 0x3C, 0x40, 0x30, 0x40, 0x3C }, // w |
|
149 |
{ 0x44, 0x28, 0x10, 0x28, 0x44 }, // x |
|
150 |
{ 0x0C, 0x50, 0x50, 0x50, 0x3C }, // y |
|
151 |
{ 0x44, 0x64, 0x54, 0x4C, 0x44 }, // z |
|
152 |
{ 0x00, 0x08, 0x36, 0x41, 0x41 }, // { |
|
153 |
{ 0x00, 0x00, 0x7F, 0x00, 0x00 }, // | |
|
154 |
{ 0x41, 0x41, 0x36, 0x08, 0x00 }, // } |
|
155 |
{ 0x02, 0x01, 0x01, 0x02, 0x01 }, // ~ |
|
156 |
{ 0x55, 0x2A, 0x55, 0x2A, 0x55 }, // del |
|
157 |
}; |
|
158 |
|
|
159 |
|
|
160 |
/** |
|
161 |
* @defgroup lcd LCD |
|
162 |
* @brief Functions for the LCD |
|
163 |
* Functions for writing to the LCD. |
|
164 |
* All functions may be found in lcd.h. |
|
165 |
* |
|
166 |
* @{ |
|
167 |
**/ |
|
168 |
|
|
169 |
/** |
|
170 |
* Initializes the LCD. Must be called before any other |
|
171 |
* LCD functions. |
|
172 |
**/ |
|
173 |
void lcd_init(void) |
|
174 |
{ |
|
175 |
LCDDDR |= (SCE | SDI | SCK); |
|
176 |
LCDRESETDDR |= (RST|D_C); |
|
177 |
|
|
178 |
LCDPORT &= ~( SCE | SDI | SCK); |
|
179 |
LCDRESETPORT &=~(D_C); |
|
180 |
|
|
181 |
SPCR |= 0x50;//0b01010000; // no SPI int, SPI en, Master, sample on rising edge, fosc/2 |
|
182 |
SPSR |= 0x01; // a continuation of the above |
|
183 |
|
|
184 |
LCDRESETPORT |= RST; |
|
185 |
delay_ms(10); |
|
186 |
LCDRESETPORT &= (~RST); |
|
187 |
delay_ms(100); |
|
188 |
LCDRESETPORT |= RST; |
|
189 |
|
|
190 |
lcd_putbyte( 0x21 ); // LCD Extended Commands. |
|
191 |
lcd_putbyte( 0xC8 ); // Set LCD Vop (Contrast). |
|
192 |
lcd_putbyte( 0x06 ); // Set Temp coefficent. |
|
193 |
lcd_putbyte( 0x13 ); // LCD bias mode 1:48. |
|
194 |
lcd_putbyte( 0x20 ); // LCD Standard Commands, Horizontal addressing mode. |
|
195 |
lcd_putbyte( 0x0C ); // LCD in normal mode. |
|
196 |
|
|
197 |
LCDRESETPORT |= D_C; //put it in init instead of main |
|
198 |
|
|
199 |
lcd_clear_screen(); |
|
200 |
} |
|
201 |
|
|
202 |
/** |
|
203 |
* Clears the LCD screen. lcd_init must be called first. |
|
204 |
* |
|
205 |
* @see lcd_init |
|
206 |
**/ |
|
207 |
void lcd_clear_screen( void ) { |
|
208 |
int i; |
|
209 |
for (i = 0; i < 504; i++) |
|
210 |
lcd_putbyte(0x0); |
|
211 |
|
|
212 |
lcd_gotoxy(0,0); |
|
213 |
} |
|
214 |
|
|
215 |
/** |
|
216 |
* Prints a character on the LCD screen. lcd_init |
|
217 |
* must be called before this function may be used. |
|
218 |
* |
|
219 |
* @param c the character to print |
|
220 |
* |
|
221 |
* @see lcd_init |
|
222 |
**/ |
|
223 |
void lcd_putc(char c) |
|
224 |
{ |
|
225 |
int i; |
|
226 |
|
|
227 |
for (i = 0; i < 5; i++) |
|
228 |
lcd_putbyte(FontLookup[c-32][i]); |
|
229 |
lcd_putbyte(0); |
|
230 |
} |
|
231 |
|
|
232 |
/* |
|
233 |
print an entire string to the lcd |
|
234 |
*/ |
|
235 |
void lcd_puts(char *s) |
|
236 |
{ |
|
237 |
char *t = s; |
|
238 |
while (*t != 0) |
|
239 |
{ |
|
240 |
lcd_putc(*t); |
|
241 |
t++; |
|
242 |
} |
|
243 |
} |
|
244 |
|
|
245 |
/* |
|
246 |
go to coordinate x, y |
|
247 |
y: vertically - 1 char |
|
248 |
x: horizontally - 1 pixel |
|
249 |
|
|
250 |
multiply x by 6 if want to move 1 entire character |
|
251 |
|
|
252 |
origin (0,0) is at top left corner of lcd screen |
|
253 |
*/ |
|
254 |
|
|
255 |
/** |
|
256 |
* Move the current cursor position to the one specified. |
|
257 |
* lcd_init must be called before this function may be used. |
|
258 |
* |
|
259 |
* @param x The x coordinate of the new position |
|
260 |
* @param y The y coordinate of the new position |
|
261 |
* |
|
262 |
* @see lcd_init |
|
263 |
**/ |
|
264 |
void lcd_gotoxy(int x, int y) |
|
265 |
{ |
|
266 |
LCDRESETPORT &= ~(D_C); |
|
267 |
lcd_putbyte(0x40 | (y & 0x07)); |
|
268 |
lcd_putbyte(0x80 | (x & 0x7f)); |
|
269 |
LCDRESETPORT |= D_C; |
|
270 |
} |
|
271 |
|
|
272 |
/* |
|
273 |
prints an int to the lcd |
|
274 |
|
|
275 |
code adapted from Chris Efstathiou's code (hendrix@otenet.gr) |
|
276 |
*/ |
|
277 |
|
|
278 |
/** |
|
279 |
* Print an integer to the LCD screen. |
|
280 |
* lcd_init must be called before this function may be used. |
|
281 |
* |
|
282 |
* @param value the integer to print |
|
283 |
* |
|
284 |
* @see lcd_init |
|
285 |
**/ |
|
286 |
void lcd_puti(int value ) |
|
287 |
{ |
|
288 |
unsigned char lcd_data[6]={'0','0','0','0','0','0' }, position=sizeof(lcd_data), radix=10; |
|
289 |
|
|
290 |
/* convert int to ascii */ |
|
291 |
if(value<0) { lcd_putc('-'); value=-value; } |
|
292 |
do { position--; *(lcd_data+position)=(value%radix)+'0'; value/=radix; } while(value); |
|
293 |
|
|
294 |
|
|
295 |
/* start displaying the number */ |
|
296 |
for(;position<=(sizeof(lcd_data)-1);position++) |
|
297 |
lcd_putc(lcd_data[position]); |
|
298 |
|
|
299 |
return; |
|
300 |
} |
|
301 |
|
|
302 |
/** @} **/ //end defgroup |
|
303 |
|
|
304 |
void lcd_putbyte(unsigned char b) |
|
305 |
{ |
|
306 |
SPDR = b; |
|
307 |
while (!(SPSR & 0x80)); /* Wait until SPI transaction is complete */ |
|
308 |
} |
|
309 |
|
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