Revision 4:200d1ea4e76e, committed 2010-08-10

Comitter:

shintamainjp

Date:

Tue Aug 10 12:36:05 2010 +0000

Parent:

3:86e7fba29623

Child:

5:4d86043f7942

Commit message:

Changed in this revision

--- a/SG12864A.cpp	Tue Jul 20 07:23:15 2010 +0000
+++ b/SG12864A.cpp	Tue Aug 10 12:36:05 2010 +0000
@@ -3,6 +3,9 @@
  *
  * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)
  * http://shinta.main.jp/
+ *
+ * See also ...
+ * http://mbed.org/users/shintamainjp/notebook/sg12864asunlike-display-graphics-lcd-driver/
  */
 
 #include "SG12864A.h"
@@ -315,8 +318,13 @@
     }
     int tmp_max = max - min;
     int tmp_val = value - min;
-    int pix = ((x2 - x1) * tmp_val) / tmp_max;
-    bufferFillBox(x1 + 1, y1 + 1, x1 + pix - 1, y2 - 1, reverse);
+    if (horizontal) {
+        int pix = ((y2 - y1) * tmp_val) / tmp_max;
+        bufferFillBox(x1 + 1, y1 + 1, x1 - 1, y2 + pix - 1, reverse);
+    } else {
+        int pix = ((x2 - x1) * tmp_val) / tmp_max;
+        bufferFillBox(x1 + 1, y1 + 1, x1 + pix - 1, y2 - 1, reverse);
+    }
 }
 
 /**

--- a/SG12864A.h	Tue Jul 20 07:23:15 2010 +0000
+++ b/SG12864A.h	Tue Aug 10 12:36:05 2010 +0000
@@ -3,6 +3,9 @@
  *
  * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)
  * http://shinta.main.jp/
+ *
+ * See also ...
+ * http://mbed.org/users/shintamainjp/notebook/sg12864asunlike-display-graphics-lcd-driver/
  */
 
 #ifndef _SG12864A_H_
@@ -11,9 +14,29 @@
 #include "mbed.h"
 
 /**
+ * SG12864A Graphics LCD module driver class.
  */
 class SG12864A {
 public:
+
+    /**
+     * Create.
+     *
+     * @param di D-/I (H:Instruction, L:Data)
+     * @param rw R/W- (H:Read, L:Write)
+     * @param en Enable signal
+     * @param db0 Data bus line bit-0.
+     * @param db1 Data bus line bit-1.
+     * @param db2 Data bus line bit-2.
+     * @param db3 Data bus line bit-3.
+     * @param db4 Data bus line bit-4.
+     * @param db5 Data bus line bit-5.
+     * @param db6 Data bus line bit-6.
+     * @param db7 Data bus line bit-7.
+     * @param cs1 Chip select signal for IC1.
+     * @param cs2 Chip select signal for IC2.
+     * @param res Reset signal.
+     */
     SG12864A(
         PinName di,
         PinName rw,
@@ -29,42 +52,200 @@
         PinName cs1,
         PinName cs2,
         PinName res);
+    /**
+     * Destroy.
+     */
     ~SG12864A();
+
+    /**
+     * Target of a chip.
+     */
     enum Target {
         CS1,
         CS2
     };
-    
+
     /*
-     * High Level Interfaces. (Abstracted)
+     * =======================================================
+     * High Level Interfaces.
+     * =======================================================
+     */
+
+    /**
+     * Push images from a internal buffer.
      */
     void bufferPush(void);
+
+    /**
+     * Pull images to a internal buffer.
+     */
     void bufferPull(void);
+
+    /**
+     * Clear a internal buffer images.
+     *
+     * @param reverse True if images are reversed.
+     */
     void bufferClear(bool reverse = false);
+
+    /**
+     * Draw a line to a internal buffer.
+     *
+     * @param x1 Starting point at x-axis.
+     * @param y1 Starting point at y-axis.
+     * @param x2 Ending point at x-axis.
+     * @param y2 Ending point at y-axis.
+     * @param reverse True if images are reversed.
+     */
     void bufferDrawLine(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool reverse = false);
+
+    /**
+     * Draw a box to a internal buffer.
+     *
+     * @param x1 Starting point at x-axis.
+     * @param y1 Starting point at y-axis.
+     * @param x2 Ending point at x-axis.
+     * @param y2 Ending point at y-axis.
+     * @param reverse True if images are reversed.
+     */
     void bufferDrawBox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool reverse = false);
+
+    /**
+     * Fill a box to a internal buffer.
+     *
+     * @param x1 Starting point at x-axis.
+     * @param y1 Starting point at y-axis.
+     * @param x2 Ending point at x-axis.
+     * @param y2 Ending point at y-axis.
+     * @param reverse True if images are reversed.
+     */
     void bufferFillBox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool reverse = false);
+
+    /**
+     * Draw a text string to a internal buffer.
+     * The font size is 5x7 dots.
+     *
+     * @param x Starting point at x-axis.
+     * @param y Starting point at y-axis.
+     * @param str Text string. (NULL terminate.)
+     * @param reverse True if images are reversed.
+     */
     void bufferDrawString(uint8_t x, uint8_t y, char * str, bool reverse = false);
+
+    /**
+     * Draw a character to a internal buffer.
+     * The font size is 5x7 dots.
+     *
+     * @param x Starting point at x-axis.
+     * @param y Starting point at y-axis.
+     * @param c A character.
+     * @param reverse True if images are reversed.
+     */
     void bufferDrawChar(uint8_t x, uint8_t y, char c, bool reverse = false);
+
+    /**
+     * Draw a checkbox to a internal buffer.
+     *
+     * @param x1 Starting point at x-axis.
+     * @param y1 Starting point at y-axis.
+     * @param x2 Ending point at x-axis.
+     * @param y2 Ending point at y-axis.
+     * @param state True if state is checked.
+     * @param reverse True if images are reversed.
+     */
     void bufferDrawCheckbox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool state, bool reverse = false);
-    void bufferDrawProgressbar(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, int min, int max, int value, bool horizontal = true, bool reverse = false);
+
+    /**
+     * Draw a progressbar to a internal buffer.
+     *
+     * @param x1 Starting point at x-axis.
+     * @param y1 Starting point at y-axis.
+     * @param x2 Ending point at x-axis.
+     * @param y2 Ending point at y-axis.
+     * @param min Minimum value on a scale.
+     * @param max Maximum value on a scale.
+     * @param value Current value on a scale.
+     * @param state True if state is checked.
+     * @param reverse True if images are reversed.
+     */
+    void bufferDrawProgressbar(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, int min, int max, int value, bool horizontal = false, bool reverse = false);
 
     /*
      * High Level Interfaces.
      */
+
+    /**
+     * Reset module.
+     */
     void reset(void);
+
+    /**
+     * Clear display.
+     */
     void clear(void);
 
     /*
+     * =======================================================
      * Middle Level Interfaces.
+     * =======================================================
+     */
+
+    /**
+     * Set display ON/OFF.
+     *
+     * @param t Target.
+     * @param on True if the display is ON.
      */
     void setDisplayOnOff(Target t, bool on);
+    
+    /**
+     * Set display start line.
+     *
+     * @param t Target.
+     * @param displayStartLine Start line number.
+     */
     void setDisplayStartLine(Target t, uint8_t displayStartLine);
+    
+    /**
+     * Set page address.
+     *
+     * @param t Target.
+     * @param addr Address.
+     */
     void setPageAddress(Target t, uint8_t addr);
+
+    /**
+     * Set column address.
+     *
+     * @param t Target.
+     * @param addr Address.
+     */
     void setColumnAddress(Target t, uint8_t addr);
+
+    /**
+     * Read status.
+     *
+     * @param t Target.
+     * @param c Status.
+     */
     void readStatus(Target t, uint8_t *c);
+
+    /**
+     * Write data.
+     *
+     * @param t Target.
+     * @param c Status.
+     */
     void writeData(Target t, uint8_t c);
+
+    /**
+     * Read data.
+     *
+     * @param t Target.
+     * @param c Status.
+     */
     void readData(Target t, uint8_t *c);
+
     static const int PIXEL_X = 128;
     static const int PIXEL_Y = 64;
     static const uint8_t FONT_X = 5;
@@ -83,18 +264,54 @@
     DigitalOut ioCS1;
     DigitalOut ioCS2;
     DigitalOut ioRES;
+
+    /**
+     * Mode of a write data.
+     */
     enum Mode {
         Data,
         Instruction
     };
-    
+
     /*
+     * =======================================================
      * Low Level Interfaces.
+     * =======================================================
+     */
+
+    /**
+     * Set I/O direction to read.
      */
     void setDirectionToRead();
+
+    /**
+     * Set I/O direction to write.
+     */
     void setDirectionToWrite();
+
+    /**
+     * Write data.
+     *
+     * @param t Target.
+     * @param m Mode.
+     * @param c Data.
+     */
     void write(Target t, Mode m, uint8_t c);
+
+    /**
+     * Read data.
+     *
+     * @param t Target.
+     * @param m Mode.
+     * @param c Data.
+     */
     void read(Target t, Mode m, uint8_t *c);
+
+    /**
+     * Reset.
+     *
+     * @param b True if reset active.
+     */
     void reset(bool b);
 };
 

--- a/main.cpp	Tue Jul 20 07:23:15 2010 +0000
+++ b/main.cpp	Tue Aug 10 12:36:05 2010 +0000
@@ -1,8 +1,11 @@
 /**
- * SG12864A Graphics LCD module driver class (Version 0.0.1)
+ * sample program for SG12864A Graphics LCD module driver class (Version 0.0.1)
  *
  * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)
  * http://shinta.main.jp/
+ *
+ * See also ...
+ * http://mbed.org/users/shintamainjp/notebook/sg12864asunlike-display-graphics-lcd-driver/
  */
 
 #include "mbed.h"