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/* mbed library for the mbed Lab Board 128*32 pixel LCD
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* use C12832 controller
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* Copyright (c) 2012 Peter Drescher - DC2PD
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* Released under the MIT License: http://mbed.org/license/mit
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef C12832_H
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#define C12832_H
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#include "mbed.h"
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#include "GraphicsDisplay.h"
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/** optional Defines :
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* #define debug_lcd 1 enable infos to PC_USB
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*/
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// some defines for the DMA use
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#define DMA_CHANNEL_ENABLE 1
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#define DMA_TRANSFER_TYPE_M2P (1UL << 11)
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#define DMA_CHANNEL_TCIE (1UL << 31)
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#define DMA_CHANNEL_SRC_INC (1UL << 26)
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#define DMA_MASK_IE (1UL << 14)
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#define DMA_MASK_ITC (1UL << 15)
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#define DMA_SSP1_TX (1UL << 2)
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#define DMA_SSP0_TX (0)
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#define DMA_DEST_SSP1_TX (2UL << 6)
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#define DMA_DEST_SSP0_TX (0UL << 6)
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/** Draw mode
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* NORMAl
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* XOR set pixel by xor the screen
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*/
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enum {NORMAL,XOR};
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/** Bitmap
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*/
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struct Bitmap {
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int xSize;
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int ySize;
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int Byte_in_Line;
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char* data;
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};
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class C12832 : public GraphicsDisplay
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{
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public:
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/** Create a C12832 object connected to SPI1
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*
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*/
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C12832(PinName mosi, PinName sck, PinName reset, PinName a0, PinName ncs, const char* name = "LCD");
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/** Get the width of the screen in pixel
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*
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* @param
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* @returns width of screen in pixel
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*
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*/
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virtual int width();
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/** Get the height of the screen in pixel
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*
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* @returns height of screen in pixel
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*
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*/
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virtual int height();
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/** Draw a pixel at x,y black or white
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*
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* @param x horizontal position
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* @param y vertical position
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* @param colour ,1 set pixel ,0 erase pixel
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*/
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virtual void pixel(int x, int y,int colour);
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/** draw a circle
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*
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* @param x0,y0 center
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* @param r radius
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* @param colour ,1 set pixel ,0 erase pixel
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*
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*/
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void circle(int x, int y, int r, int colour);
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/** draw a filled circle
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*
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* @param x0,y0 center
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* @param r radius
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* @param color ,1 set pixel ,0 erase pixel
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*
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* use circle with different radius,
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* can miss some pixel
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*/
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void fillcircle(int x, int y, int r, int colour);
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/** draw a 1 pixel line
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*
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* @param x0,y0 start point
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* @param x1,y1 stop point
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* @param color ,1 set pixel ,0 erase pixel
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*
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*/
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void line(int x0, int y0, int x1, int y1, int colour);
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/** draw a rect
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*
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* @param x0,y0 top left corner
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* @param x1,y1 down right corner
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* @param color 1 set pixel ,0 erase pixel
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* *
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*/
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void rect(int x0, int y0, int x1, int y1, int colour);
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/** draw a filled rect
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*
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* @param x0,y0 top left corner
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* @param x1,y1 down right corner
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* @param color 1 set pixel ,0 erase pixel
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*
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*/
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void fillrect(int x0, int y0, int x1, int y1, int colour);
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/** copy display buffer to lcd
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*
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*/
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void copy_to_lcd(void);
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/** set the orienation of the screen
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*
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*/
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void set_contrast(unsigned int o);
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/** read the contrast level
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*
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*/
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unsigned int get_contrast(void);
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/** invert the screen
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*
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* @param o = 0 normal, 1 invert
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*/
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void invert(unsigned int o);
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/** clear the screen
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*
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*/
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virtual void cls(void);
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/** set the drawing mode
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*
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* @param mode NORMAl or XOR
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*/
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void setmode(int mode);
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virtual int columns(void);
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/** calculate the max number of columns
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*
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* @returns max column
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* depends on actual font size
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*
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*/
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virtual int rows(void);
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/** put a char on the screen
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*
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* @param value char to print
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* @returns printed char
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*
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*/
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virtual int _putc(int value);
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/** draw a character on given position out of the active font to the LCD
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*
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* @param x x-position of char (top left)
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* @param y y-position
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* @param c char to print
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*
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*/
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virtual void character(int x, int y, int c);
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/** setup cursor position
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*
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* @param x x-position (top left)
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* @param y y-position
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*/
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virtual void locate(int x, int y);
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/** setup auto update of screen
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*
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* @param up 1 = on , 0 = off
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corentinlambert70100 |
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* if switched off the program has to call copy_to_lcd()
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* to update screen from framebuffer
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*/
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void set_auto_up(unsigned int up);
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/** get status of the auto update function
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*
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* @returns if auto update is on
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*/
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unsigned int get_auto_up(void);
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/** Vars */
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SPI _spi;
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DigitalOut _reset;
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DigitalOut _A0;
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DigitalOut _CS;
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unsigned char* font;
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unsigned int draw_mode;
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/** select the font to use
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*
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* @param f pointer to font array
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*
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* font array can created with GLCD Font Creator from http://www.mikroe.com
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* you have to add 4 parameter at the beginning of the font array to use:
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* - the number of byte / char
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* - the vertial size in pixel
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* - the horizontal size in pixel
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* - the number of byte per vertical line
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* you also have to change the array to char[]
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*
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*/
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void set_font(unsigned char* f);
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/** print bitmap to buffer
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*
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* @param bm Bitmap in flash
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* @param x x start
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* @param y y start
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*
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*/
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void print_bm(Bitmap bm, int x, int y);
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protected:
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|
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/** draw a horizontal line
|
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255
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*
|
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* @param x0 horizontal start
|
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|
* @param x1 horizontal stop
|
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* @param y vertical position
|
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259
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* @param ,1 set pixel ,0 erase pixel
|
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|
*
|
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|
*/
|
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|
void hline(int x0, int x1, int y, int colour);
|
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|
263
|
|
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264
|
/** draw a vertical line
|
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|
265
|
*
|
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|
266
|
* @param x horizontal position
|
askksa12543 |
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|
267
|
* @param y0 vertical start
|
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|
268
|
* @param y1 vertical stop
|
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|
269
|
* @param ,1 set pixel ,0 erase pixel
|
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|
270
|
*/
|
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|
271
|
void vline(int y0, int y1, int x, int colour);
|
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|
272
|
|
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|
273
|
/** Init the C12832 LCD controller
|
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|
274
|
*
|
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|
275
|
*/
|
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|
276
|
void lcd_reset();
|
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|
277
|
|
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|
278
|
/** Write data to the LCD controller
|
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|
279
|
*
|
askksa12543 |
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|
280
|
* @param dat data written to LCD controller
|
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|
281
|
*
|
askksa12543 |
0:990d5eec2ef6
|
282
|
*/
|
askksa12543 |
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|
283
|
void wr_dat(unsigned char value);
|
askksa12543 |
0:990d5eec2ef6
|
284
|
|
askksa12543 |
0:990d5eec2ef6
|
285
|
/** Write a command the LCD controller
|
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|
286
|
*
|
askksa12543 |
0:990d5eec2ef6
|
287
|
* @param cmd: command to be written
|
askksa12543 |
0:990d5eec2ef6
|
288
|
*
|
askksa12543 |
0:990d5eec2ef6
|
289
|
*/
|
askksa12543 |
0:990d5eec2ef6
|
290
|
void wr_cmd(unsigned char value);
|
askksa12543 |
0:990d5eec2ef6
|
291
|
|
askksa12543 |
0:990d5eec2ef6
|
292
|
void wr_cnt(unsigned char cmd);
|
askksa12543 |
0:990d5eec2ef6
|
293
|
|
askksa12543 |
0:990d5eec2ef6
|
294
|
unsigned int orientation;
|
askksa12543 |
0:990d5eec2ef6
|
295
|
unsigned int char_x;
|
askksa12543 |
0:990d5eec2ef6
|
296
|
unsigned int char_y;
|
askksa12543 |
0:990d5eec2ef6
|
297
|
unsigned char buffer[512];
|
askksa12543 |
0:990d5eec2ef6
|
298
|
unsigned int contrast;
|
askksa12543 |
0:990d5eec2ef6
|
299
|
unsigned int auto_up;
|
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0:990d5eec2ef6
|
300
|
|
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0:990d5eec2ef6
|
301
|
};
|
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|
302
|
|
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|
303
|
|
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|
304
|
|
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|
305
|
|
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|
306
|
#endif
|