Diff: sharp_mlcd.h

Revision:

0:c99dda90f834

Child:

1:f8ba3b236d12

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sharp_mlcd.h	Sat May 10 15:32:38 2014 +0000
@@ -0,0 +1,291 @@
+/*
+ * mbed library for the Sharp memory LCD LS027BDH01 / LS013B4DN04
+ * derived from C12832_lcd
+ * Copyright (c) 2014 Masato YAMANISHI
+ * Released under the MIT License: http://mbed.org/license/mit
+ */
+
+/* mbed library for the mbed Lab Board  128*32 pixel LCD
+ * use C12832 controller
+ * Copyright (c) 2012 Peter Drescher - DC2PD
+ * Released under the MIT License: http://mbed.org/license/mit
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef SHARP_MLCD_H
+#define SHARP_MLCD_H
+
+#include "mbed.h"
+#include "GraphicsDisplay.h"
+
+/** optional Defines :
+ * #define debug_lcd  1  enable infos to PC_USB
+ */
+  
+#define BPP    1       // Bits per pixel
+#define WIDTH  400 // 96
+#define HEIGHT 240 // 96
+#define PAGES (HEIGHT/8) // 6
+#define BUFFER_SIZE (WIDTH*HEIGHT/8)
+
+
+/** Draw mode
+ * NORMAl
+ * XOR set pixel by xor the screen
+ */
+enum {NORMAL,XOR};
+
+/** Bitmap
+ */
+struct Bitmap{
+  int xSize;
+  int ySize;
+  int Byte_in_Line;
+  char* data;
+};
+
+class sharp_mlcd : public GraphicsDisplay
+{
+ public:
+  /** Create a aqm1248a object connected to SPI1
+   *
+   */
+
+  sharp_mlcd(const char* name = "LCD");
+
+  /** Get the width of the screen in pixel
+   *
+   * @param
+   * @returns width of screen in pixel
+   *
+   */
+  virtual int width();
+
+  /** Get the height of the screen in pixel
+   *
+   * @returns height of screen in pixel
+   *
+   */
+  virtual int height();
+
+  /** Draw a pixel at x,y black or white
+   *
+   * @param x horizontal position
+   * @param y vertical position
+   * @param colour ,1 set pixel ,0 erase pixel
+   */
+  virtual void pixel(int x, int y,int colour);
+
+  /** draw a circle
+   *
+   * @param x0,y0 center
+   * @param r radius
+   * @param colour ,1 set pixel ,0 erase pixel
+   *
+   */
+  void circle(int x, int y, int r, int colour);
+
+  /** draw a filled circle
+   *
+   * @param x0,y0 center
+   * @param r radius
+   * @param color ,1 set pixel ,0 erase pixel
+   *
+   * use circle with different radius,
+   * can miss some pixel
+   */
+  void fillcircle(int x, int y, int r, int colour);
+
+  /** draw a 1 pixel line
+   *
+   * @param x0,y0 start point
+   * @param x1,y1 stop point
+   * @param color ,1 set pixel ,0 erase pixel
+   *
+   */
+  void line(int x0, int y0, int x1, int y1, int colour);
+
+  /** draw a rect
+   *
+   * @param x0,y0 top left corner
+   * @param x1,y1 down right corner
+   * @param color 1 set pixel ,0 erase pixel
+   *                                                   *
+   */
+  void rect(int x0, int y0, int x1, int y1, int colour);
+
+  /** draw a filled rect
+   *
+   * @param x0,y0 top left corner
+   * @param x1,y1 down right corner
+   * @param color 1 set pixel ,0 erase pixel
+   *
+   */
+  void fillrect(int x0, int y0, int x1, int y1, int colour);
+
+  /** copy display buffer to lcd
+   *
+   */
+
+  void copy_to_lcd(void);
+
+  /** clear the screen
+   *
+   */
+  virtual void cls(void);
+
+  /** set the drawing mode
+   *
+   * @param mode NORMAl or XOR
+   */
+
+  void setmode(int mode);
+
+  virtual int columns(void);
+
+  /** calculate the max number of columns
+   *
+   * @returns max column
+   * depends on actual font size
+   *
+   */
+  virtual int rows(void);
+
+  /** put a char on the screen
+   *
+   * @param value char to print
+   * @returns printed char
+   *
+   */
+  virtual int _putc(int value);
+
+  /** draw a character on given position out of the active font to the LCD
+   *
+   * @param x x-position of char (top left)
+   * @param y y-position
+   * @param c char to print
+   *
+   */
+  virtual void character(int x, int y, int c);
+
+  /** setup cursor position
+   *
+   * @param x x-position (top left)
+   * @param y y-position
+   */
+  virtual void locate(int x, int y);
+    
+  /** setup auto update of screen 
+   *
+   * @param up 1 = on , 0 = off
+   * if switched off the program has to call copy_to_lcd() 
+   * to update screen from framebuffer
+   */
+  void set_auto_up(unsigned int up);
+
+  /** get status of the auto update function
+   *
+   *  @returns if auto update is on
+   */
+  unsigned int get_auto_up(void);
+
+  /** Vars     */
+  SPI _spi;
+  // DigitalOut _reset;
+  // DigitalOut _A0;
+  DigitalOut _EXTCOM;
+  DigitalOut _DISP;
+  DigitalOut _CS;
+  unsigned char* font;
+  unsigned int draw_mode;
+
+  // Ticker timer;
+
+  /** select the font to use
+   *
+   * @param f pointer to font array
+   *
+   *   font array can created with GLCD Font Creator from http://www.mikroe.com
+   *   you have to add 4 parameter at the beginning of the font array to use:
+   *   - the number of byte / char
+   *   - the vertial size in pixel
+   *   - the horizontal size in pixel
+   *   - the number of byte per vertical line
+   *   you also have to change the array to char[]
+   *
+   */
+  void set_font(unsigned char* f);
+    
+  /** print bitmap to buffer
+   *
+   * @param bm Bitmap in flash
+   * @param x  x start
+   * @param y  y start 
+   *
+   */
+
+  void print_bm(Bitmap bm, int x, int y);
+  void attime();
+
+ protected:
+
+  /** draw a horizontal line
+   *
+   * @param x0 horizontal start
+   * @param x1 horizontal stop
+   * @param y vertical position
+   * @param ,1 set pixel ,0 erase pixel
+   *
+   */
+  void hline(int x0, int x1, int y, int colour);
+
+  /** draw a vertical line
+   *
+   * @param x horizontal position
+   * @param y0 vertical start
+   * @param y1 vertical stop
+   * @param ,1 set pixel ,0 erase pixel
+   */
+  void vline(int y0, int y1, int x, int colour);
+
+  /** Init the C12832 LCD controller
+   *
+   */
+  void lcd_reset();
+
+  /** Write data to the LCD controller
+   *
+   * @param dat data written to LCD controller
+   *
+   */
+  void wr_dat(unsigned char value);
+
+  /** Write a command the LCD controller
+   *
+   * @param cmd: command to be written
+   *
+   */
+  void wr_cmd(unsigned char value);
+
+  void wr_cnt(unsigned char cmd);
+
+  // unsigned int orientation;
+  unsigned int char_x;
+  unsigned int char_y;
+  unsigned char buffer[BUFFER_SIZE];
+  unsigned int contrast;
+  unsigned int auto_up;
+
+  unsigned int flip;
+
+  unsigned char bit_reverse(unsigned char c);
+};
+
+#endif
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