#ifndef lcd_hh #define lcd_hh // {{{ // // Copyright (C) 2013 Nicolas Schodet // // APBTeam: // Web: http://apbteam.org/ // Email: team AT apbteam DOT org // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // }}} #include "ucoolib/common.hh" #include "ucoolib/hal/gpio/gpio.hh" /// Control LCD. struct Rect { int x; int y; }; class LCD { public: static const int x_max = 320, y_max = 240; public: /// Constructor. LCD (); /// Turn display on. void on (); /// Turn display off. void off (); /// Clear the whole screen with the same color (default to black). void clear (uint16_t color = 0); /// Fill screen with colors. void rainbow (); /// Convert from RGB to hardware color format. static inline uint16_t color (uint8_t r, uint8_t g, uint8_t b) { return (r >> 3 << 11) | (g >> 2 << 5) | (b >> 3); } ///draw a pixel if he belong to the screen void blit_pixel ( uint16_t color , int x , int y); ///make a border of a rectangle void rectangle_empty (uint16_t color,Rect format, Rect pos); ///make a filled rectangle with one color void rectangle_fill (uint16_t color,Rect format, Rect pos); ///draw a circle void circle ( uint16_t color , int radius , Rect pos); //position of the center of the circle ///write a caracter void draw_char( uint16_t color ,char caract, Rect pos); ///write a sentence center on pos void draw_sentence( uint16_t color ,const char *sentence, Rect pos); ///write a sentence first caractere has pos as position int draw_sentence_left( uint16_t color ,const char *sentence, Rect pos); int belong ( int x, int y); //does the point belong to the screen? private: void set_cursor (int x, int y); void write_index (uint16_t index); void write_data (uint16_t data); uint16_t read_data (); void write_reg (uint16_t index, uint16_t data); uint16_t read_reg (uint16_t index); private: ucoo::Gpio cs_, rs_, wr_, rd_, reset_, bl_; }; #endif // lcd_hh