lcd for LPC1768
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Diff: C12832.h
- Revision:
- 1:f20c0c9aaf99
- Parent:
- 0:990d5eec2ef6
diff -r 990d5eec2ef6 -r f20c0c9aaf99 C12832.h --- a/C12832.h Thu Feb 26 14:52:52 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,306 +0,0 @@ -/* 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 C12832_H -#define C12832_H - -#include "mbed.h" -#include "GraphicsDisplay.h" - - -/** optional Defines : - * #define debug_lcd 1 enable infos to PC_USB - */ - -// some defines for the DMA use -#define DMA_CHANNEL_ENABLE 1 -#define DMA_TRANSFER_TYPE_M2P (1UL << 11) -#define DMA_CHANNEL_TCIE (1UL << 31) -#define DMA_CHANNEL_SRC_INC (1UL << 26) -#define DMA_MASK_IE (1UL << 14) -#define DMA_MASK_ITC (1UL << 15) -#define DMA_SSP1_TX (1UL << 2) -#define DMA_SSP0_TX (0) -#define DMA_DEST_SSP1_TX (2UL << 6) -#define DMA_DEST_SSP0_TX (0UL << 6) - -/** 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 C12832 : public GraphicsDisplay -{ -public: - /** Create a C12832 object connected to SPI1 - * - */ - - C12832(PinName mosi, PinName sck, PinName reset, PinName a0, PinName ncs, 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); - - /** set the orienation of the screen - * - */ - - - 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); - - 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 _CS; - unsigned char* font; - unsigned int draw_mode; - - - /** 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); - -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[512]; - unsigned int contrast; - unsigned int auto_up; - -}; - - - - -#endif