Favre Lucas
Librarie pour ecran 128x32 de MyLab
Diff: C12832.h
- Revision:
- 11:c00a727f140f
- Child:
- 12:00bbd42614c7
--- /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
+