src/modules/utils/panel/panels/ST7565.h

   1 /*
   2  * ST7565.h
   3  *
   4  *  Created on: 21-06-2013
   5  *      Author: Wulfnor
   6  */
   7
   8 #ifndef ST7565_H_
   9 #define ST7565_H_
  10 #include "LcdBase.h"
  11 #include "libs/Kernel.h"
  12 #include "mbed.h"
  13 #include "libs/Pin.h"
  14 #include "Panel.h"
  15
  16 using namespace std;
  17 #include <vector>
  18 #include <string>
  19 #include <cstdio>
  20 #include <cstdarg>
  21
  22 //definitions for lcd
  23 #define LCDWIDTH 128
  24 #define LCDHEIGHT 64
  25 #define LCDPAGES  (LCDHEIGHT+7)/8
  26 #define FB_SIZE LCDWIDTH*LCDPAGES
  27 #define FONT_SIZE_X 6
  28 #define FONT_SIZE_Y 8
  29
  30 #define spi_channel_checksum       CHECKSUM("spi_channel")
  31 #define spi_cs_pin_checksum        CHECKSUM("spi_cs_pin")
  32 #define spi_frequency_checksum     CHECKSUM("spi_frequency")
  33 #define encoder_a_pin_checksum     CHECKSUM("encoder_a_pin")
  34 #define encoder_b_pin_checksum     CHECKSUM("encoder_b_pin")
  35 #define click_button_pin_checksum  CHECKSUM("click_button_pin")
  36 #define up_button_pin_checksum     CHECKSUM("up_button_pin")
  37 #define down_button_pin_checksum   CHECKSUM("down_button_pin")
  38 #define contrast_checksum          CHECKSUM("contrast")
  39 #define reverse_checksum           CHECKSUM("reverse")
  40 #define rst_pin_checksum           CHECKSUM("rst_pin")
  41 #define a0_pin_checksum            CHECKSUM("a0_pin")
  42
  43 class Panel;
  44
  45 class ST7565: public LcdBase {
  46 public:
  47         ST7565();
  48         virtual ~ST7565();
  49         void home();
  50     void clear();
  51     void display();
  52     void setCursor(uint8_t col, uint8_t row);
  53         void init();
  54         void write_char(char value);
  55         void write(const char* line, int len);
  56
  57         void on_refresh(bool now=false);
  58         //encoder which dosent exist :/
  59         uint8_t readButtons();
  60         int readEncoderDelta();
  61         int getEncoderResolution() { return 2; }
  62         uint16_t get_screen_lines() { return 8; }
  63         bool hasGraphics() { return true; }
  64
  65         //added ST7565 commands
  66         void send_commands(const unsigned char* buf, size_t size);
  67         void send_data(const unsigned char* buf, size_t size);
  68         // set column and page number
  69         void set_xy(int x, int y);
  70         //send pic to whole screen
  71         void send_pic(const unsigned char* data);
  72         //drawing char
  73         int drawChar(int x, int y, unsigned char c, int color);
  74     // blit a glyph of w pixels wide and h pixels high to x, y. offset pixel position in glyph by x_offset, y_offset.
  75     // span is the width in bytes of the src bitmap
  76     // The glyph bytes will be 8 bits of X pixels, msbit->lsbit from top left to bottom right
  77     void bltGlyph(int x, int y, int w, int h, const uint8_t *glyph, int span= 0, int x_offset=0, int y_offset=0);
  78     void renderGlyph(int x, int y, const uint8_t *g, int pixelWidth, int pixelHeight);
  79     void pixel(int x, int y, int colour);
  80
  81 private:
  82     //buffer
  83         unsigned char *framebuffer;
  84         mbed::SPI* spi;
  85         Pin cs;
  86         Pin rst;
  87         Pin a0;
  88         Pin click_pin;
  89         Pin up_pin;
  90         Pin down_pin;
  91     Pin encoder_a_pin;
  92     Pin encoder_b_pin;
  93
  94         // text cursor position
  95         uint8_t tx, ty;
  96     uint8_t contrast;
  97     bool reversed;
  98 };
  99
 100 #endif /* ST7565_H_ */