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PsiSwarm/display.h@23:fd0f0931768a, 2017-03-13 (annotated)

Committer:
jhok500
Date:
Mon Mar 13 10:07:07 2017 +0000
Revision:
23:fd0f0931768a
Parent:
6:ff3c66f7372b 
ft. reset button press

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jah128 0:8a5497a2e366 1 /* University of York Robotics Laboratory PsiSwarm Library: Display Driver Header File
jah128 0:8a5497a2e366 2 *
jah128 0:8a5497a2e366 3 * File: display.h
jah128 0:8a5497a2e366 4 *
jah128 0:8a5497a2e366 5 * (C) Dr James Hilder, Dept. Electronics & Computer Science, University of York
jah128 0:8a5497a2e366 6 *
jah128 6:ff3c66f7372b 7 * PsiSwarm Library Version: 0.3
jah128 0:8a5497a2e366 8 * Display Driver Version: 0.2
jah128 0:8a5497a2e366 9 *
jah128 6:ff3c66f7372b 10 * October 2015
jah128 0:8a5497a2e366 11 *
jah128 0:8a5497a2e366 12 * Driver for the Midas 16x2 I2C LCD Display (MCCOG21605x6W) LCD
jah128 0:8a5497a2e366 13 *
jah128 0:8a5497a2e366 14 * Farnell part 2218942 or 2063206
jah128 0:8a5497a2e366 15 *
jah128 0:8a5497a2e366 16 */
jah128 0:8a5497a2e366 17
jah128 0:8a5497a2e366 18
jah128 0:8a5497a2e366 19 #ifndef DISPLAY_H
jah128 0:8a5497a2e366 20 #define DISPLAY_H
jah128 0:8a5497a2e366 21
jah128 0:8a5497a2e366 22 #define PAGE_TIME 0.4
jah128 0:8a5497a2e366 23 #define CLEAR_TIME 0.8
jah128 0:8a5497a2e366 24
jah128 0:8a5497a2e366 25 class Display : public Stream {
jah128 0:8a5497a2e366 26
jah128 0:8a5497a2e366 27 // Public Functions
jah128 0:8a5497a2e366 28
jah128 0:8a5497a2e366 29 public:
jah128 0:8a5497a2e366 30
jah128 0:8a5497a2e366 31 /** Create the LCD Display object connected to the default pins
jah128 0:8a5497a2e366 32 *
jah128 0:8a5497a2e366 33 * @param sda pin - default is p28
jah128 0:8a5497a2e366 34 * @param scl pin - default is p27
jah128 0:8a5497a2e366 35 * @param reset pin - default is p29
jah128 0:8a5497a2e366 36 * @param backlight pin - default is p30
jah128 0:8a5497a2e366 37 */
jah128 0:8a5497a2e366 38
jah128 0:8a5497a2e366 39 Display();
jah128 0:8a5497a2e366 40
jah128 0:8a5497a2e366 41 /** Create the LCD Display object connected to specific pins
jah128 0:8a5497a2e366 42 *
jah128 0:8a5497a2e366 43 */
jah128 0:8a5497a2e366 44 Display(PinName sda, PinName scl, PinName reset, PinName backlight);
jah128 0:8a5497a2e366 45
jah128 0:8a5497a2e366 46 //Print string message
jah128 0:8a5497a2e366 47 void write_string(char * message);
jah128 0:8a5497a2e366 48
jah128 0:8a5497a2e366 49 //Print string message of given length
jah128 0:8a5497a2e366 50 void write_string(char * message, char length);
jah128 0:8a5497a2e366 51
jah128 0:8a5497a2e366 52 //Set the row and column of cursor position
jah128 0:8a5497a2e366 53 void set_position(char row, char column);
jah128 0:8a5497a2e366 54
jah128 0:8a5497a2e366 55 // Enable or disable cursor
jah128 0:8a5497a2e366 56 void set_cursor(char enable);
jah128 0:8a5497a2e366 57
jah128 0:8a5497a2e366 58 // Enable or disable cursor blink
jah128 0:8a5497a2e366 59 void set_blink(char enable);
jah128 0:8a5497a2e366 60
jah128 0:8a5497a2e366 61 // Enable or disable display
jah128 0:8a5497a2e366 62 void set_display(char enable);
jah128 0:8a5497a2e366 63
jah128 0:8a5497a2e366 64 // Set the brightness of the backlight
jah128 0:8a5497a2e366 65 void set_backlight_brightness(float brightness);
jah128 0:8a5497a2e366 66
jah128 0:8a5497a2e366 67 // Special function for when debug messages are sent to display
jah128 0:8a5497a2e366 68 void debug_page(char * message, char length);
jah128 0:8a5497a2e366 69
jah128 0:8a5497a2e366 70 void IF_restore_page(void);
jah128 0:8a5497a2e366 71
jah128 0:8a5497a2e366 72 void IF_debug_multipage(void);
jah128 0:8a5497a2e366 73
jah128 0:8a5497a2e366 74 void IF_backlight_toggle(void);
jah128 0:8a5497a2e366 75
jah128 0:8a5497a2e366 76 //Parts of initialisation routine
jah128 0:8a5497a2e366 77 void post_init(void);
jah128 0:8a5497a2e366 78 void post_post_init(void);
jah128 0:8a5497a2e366 79
jah128 0:8a5497a2e366 80
jah128 0:8a5497a2e366 81 // Clear display
jah128 0:8a5497a2e366 82 void clear_display();
jah128 0:8a5497a2e366 83
jah128 0:8a5497a2e366 84 //Set cursor to home position
jah128 0:8a5497a2e366 85 void home();
jah128 0:8a5497a2e366 86
jah128 0:8a5497a2e366 87 // Send a 1-byte control message to the display
jah128 0:8a5497a2e366 88 int i2c_message(char byte);
jah128 0:8a5497a2e366 89
jah128 0:8a5497a2e366 90 // Default initialisation sequence for the display
jah128 0:8a5497a2e366 91 void init_display(char mode);
jah128 0:8a5497a2e366 92
jah128 0:8a5497a2e366 93 int disp_putc(int c);
jah128 0:8a5497a2e366 94
jah128 0:8a5497a2e366 95
jah128 0:8a5497a2e366 96 private :
jah128 0:8a5497a2e366 97
jah128 0:8a5497a2e366 98 I2C _i2c;
jah128 0:8a5497a2e366 99 DigitalOut _reset;
jah128 0:8a5497a2e366 100 DigitalOut _backlight;
jah128 0:8a5497a2e366 101
jah128 0:8a5497a2e366 102 char display_on;
jah128 0:8a5497a2e366 103 char cursor_on;
jah128 0:8a5497a2e366 104 char blink_on;
jah128 0:8a5497a2e366 105
jah128 0:8a5497a2e366 106 void _set_display();
jah128 0:8a5497a2e366 107
jah128 0:8a5497a2e366 108 virtual int _putc(int c);
jah128 0:8a5497a2e366 109 virtual int _getc();
jah128 0:8a5497a2e366 110
jah128 0:8a5497a2e366 111 };
jah128 0:8a5497a2e366 112
jah128 0:8a5497a2e366 113 #endif // DISPLAY_H