Librarie pour ecran 128x32 de MyLab
C12832.h
- Committer:
- lucas_favre
- Date:
- 2016-03-29
- Revision:
- 11:c00a727f140f
- Child:
- 12:00bbd42614c7
File content as of revision 11:c00a727f140f:
/* 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) #define PIN_LCD_CS 0 #define PIN_LCD_E 1 #define PIN_LCD_RW 22 #define PIN_LCD_A0 24 #define DISPLAY_ON() wr_cmd(0xaf) // Display on #define DISPLAY_OFF() wr_cmd(0xae) // Display off #define SET_ADC() wr_cmd(0xa1) // Reverse disrect (SEG128-SEG0) #define CLEAR_ADC() wr_cmd(0xa0) // Normal disrect (SEG0-SEG128) #define REVERSE_DISPLAY_ON() wr_cmd(0xa7) // Reverse display : 0 illuminated #define REVERSE_DISPLAY_OFF() wr_cmd(0xa6) // Normal display : 1 illuminated #define ENTIRE_DISPLAY_ON() wr_cmd(0xa5) // Entire dislay Force whole LCD point #define ENTIRE_DISPLAY_OFF() wr_cmd(0xa4) // Normal display #define SET_BIAS() wr_cmd(0xa3) // bias 1 1/7 bias #define CLEAR_BIAS() wr_cmd(0xa2) // bias 0 1/9 bias #define SET_MODIFY_READ() wr_cmd(0xe0) // Stop automatic increment of the column address by the read instruction #define RESET_MODIFY_READ() wr_cmd(0xee) // Cancel Modify_read, column address return to its initial value just before the Set Modify Read instruction is started #define RESET() wr_cmd(0xe2) #define SET_SHL() wr_cmd(0xc8) // SHL 1,COM33-COM0 #define CLEAR_SHL() wr_cmd(0xc0) // SHL 0,COM0-COM33 /** * 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; }; /** * The C12832 class */ class C12832 : public GraphicsDisplay { public: /** * Create a C12832 object connected to SPI1 */ C12832(PinName rs, PinName e,PinName rw, PinName a0,PinName cs,PinName d0, PinName d1,PinName d2, PinName d3,PinName d4,PinName d5,PinName d6,PinName d7, 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); /** * 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. * Depends on actual font size * * @returns max column */ 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 */ DigitalOut _rs, _e,_cs,_a0,_rw; BusOut _d; 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); void Delay(uint32_t n); void Initial_Dispay_Line(unsigned char line); void Power_Control(unsigned char vol); void Regulor_Resistor_Select(unsigned char r); void Set_Contrast_Control_Register(unsigned char mod); protected: /** * Draw a horizontal line * * @param x0 horizontal start * @param x1 horizontal stop * @param y vertical position * @param color - 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 color - 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