Librarie pour ecran 128x32 de MyLab
Diff: C12832.h
- Revision:
- 11:c00a727f140f
- Child:
- 12:00bbd42614c7
diff -r 8f86576007d6 -r c00a727f140f C12832.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/C12832.h Tue Mar 29 18:26:15 2016 +0000 @@ -0,0 +1,340 @@ +/* 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 +