Diff: ST7565_SPI_LCD.h

Revision:

19:871eed87d8ea

Child:

21:a1fc999cd8f3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ST7565_SPI_LCD.h	Sun Sep 21 01:04:42 2014 +0000
@@ -0,0 +1,327 @@
+/*
+    EXTEND for SPI interface LCD which is using ST7565 controller
+        Modified by Kenji Arai / JH1PJL  
+        http://www.page.sannet.ne.jp/kenjia/index.html
+        http://mbed.org/users/kenjiArai/
+            Started: September 20th, 2014
+            Revised: September 21st, 2014
+
+    original file: C12832.h
+    original Library name: C12832
+*/
+
+//---------- ORIGINAL Header ----------------------------------------------------
+/* 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 ST7565_SPI_LCD_H
+#define ST7565_SPI_LCD_H
+
+#include "mbed.h"
+#include "GraphicsDisplay.h"
+
+/** Draw color
+  */
+enum {WHITE = 0,BLACK};
+
+/** 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;
+    };
+
+/** SPI LCD control library for ST7565 Controller
+ *      http://www.ladyada.net/learn/lcd/st7565.html
+ *
+ *      AD-12864-SPI    http://www.aitendo.com/product/1622
+ *      AQM12848A       http://akizukidenshi.com/catalog/g/gK-07007/
+ *
+ * @code
+ * #include "mbed.h"
+ * 
+ * #if 1  
+ * ST7565   lcd(dp2, dp6, dp10, dp4, dp9, ST7565::AD12864SPI); // mosi, sck, reset, a0, ncs
+ * #else
+ * SPI      spi_lcd(dp2, dp1, dp6); // mosi, miso, sck
+ * ST7565   lcd(spi_lcd, dp10, dp4, dp9, ST7565::AD12864SPI);  // spi, reset, a0, ncs
+ * #endif
+ *
+ * int main() {
+ *   lcd.cls();
+ *   lcd.set_contrast(0x06);
+ *   lcd.printf("123456789012345678901234567890\r\n");
+ *   lcd.rect(10,10,100,50,BLACK);
+ *   lcd.circle(10,10,10,BLACK);
+ *   lcd.fillcircle(50,40,10,BLACK);
+ *   lcd.line(0,0,110,60,BLACK);
+ *   while(1){;}
+ * }
+ * @endcode
+ */
+
+class ST7565 : public GraphicsDisplay{
+public:
+
+    /** LCD panel format */
+    enum LCDType {
+        LCD128x32,    
+        LCD128x48,
+        LCD128x64,
+        AQM1248A   = LCD128x48,
+        AD12864SPI = LCD128x64,
+        ST7565LCD  = LCD128x64                        
+    };
+    
+    /**
+     * Create a ST7565 object connected to SPI1
+     */
+    ST7565(PinName mosi, PinName sck,
+           PinName reset, PinName a0, PinName ncs, LCDType type, const char* name = "LCD");
+    ST7565(SPI& _spi,
+           PinName reset, PinName a0, PinName ncs, LCDType type, const char* name = "LCD");
+
+    /**
+     * Get the width of the screen in pixel
+     *
+     * @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 color - 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 color - 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 pixels
+     */
+    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);
+
+    /**
+      * set the contrast level
+      */
+    void set_contrast(unsigned int o);
+
+    /**
+      * read the contrast level
+      */
+    unsigned int get_contrast(void);
+
+    /**
+     * Invert the screen
+     *
+     * @param o = 0 normal, 1 invert
+     */
+    void invert(unsigned int o);
+
+    /**
+     * Clear the screen
+     */
+    virtual void cls(void);
+
+    /**
+     * Set the drawing mode
+     *
+     * @param mode NORMAl or XOR
+     */
+    void setmode(int mode);
+
+    /**
+     * Calculate the max number of columns.
+     * Depends on actual font size
+     *
+     * @returns max column
+     */
+    virtual int columns(void);
+
+    /**
+     * calculate the max number of rows
+     *
+     * @returns max rows
+     * depends on actual font size
+     *
+     */
+    virtual int rows(void);
+
+    /**
+     * 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);
+
+    /**
+     * 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);
+
+#if DOXYGEN_ONLY
+    /**
+     * Write a character to the LCD
+     *
+     * @param c The character to write to the display
+     */
+    int putc(int c);
+
+    /**
+     * Write a formated string to the LCD
+     *
+     * @param format A printf-style format string, followed by the
+     *               variables to use in formating the string.
+     */
+    int printf(const char* format, ...);
+#endif
+
+    unsigned char* font;
+    unsigned int draw_mode;
+
+protected:
+    /** Vars     */
+    SPI _spi;
+    DigitalOut _reset;
+    DigitalOut _A0;
+    DigitalOut _CS;
+
+    void hline(int x0, int x1, int y, int colour);
+    void vline(int y0, int y1, int x, int colour);
+    void lcd_reset();
+    void wr_dat(unsigned char value);
+    void wr_cmd(unsigned char value);
+    void wr_cnt(unsigned char cmd);
+    void line_clear(int y);
+    void copy_to_lcd(void);
+    void initialize(LCDType type);
+
+    virtual int _putc(int value);
+        
+    unsigned int lcd_width;
+    unsigned int lcd_height;
+    unsigned int char_x;
+    unsigned int char_y;
+    unsigned char buffer[1024];
+    unsigned int contrast;
+    unsigned int auto_up;
+};
+
+#endif