6 x 7 segment display library for PCA9637 driven breakout board
Dependents: FTSE100 InternetDispBoB digitalThermometer Counter ... more
dispBoB.h@1:d3d2fb119fa3, 2011-06-29 (annotated)
- Committer:
- d_worrall
- Date:
- Wed Jun 29 11:26:13 2011 +0000
- Revision:
- 1:d3d2fb119fa3
- Parent:
- 0:843654413849
- Child:
- 2:b20aa44dec87
version1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
d_worrall | 0:843654413849 | 1 | //NXP PCA9635 library |
d_worrall | 0:843654413849 | 2 | //mbed Team - 28th June 2011 |
d_worrall | 0:843654413849 | 3 | //Daniel Worrall |
d_worrall | 0:843654413849 | 4 | |
d_worrall | 0:843654413849 | 5 | #ifndef MBED_DISPBOB_H |
d_worrall | 0:843654413849 | 6 | #define MBED_DISPBOB_H |
d_worrall | 0:843654413849 | 7 | |
d_worrall | 0:843654413849 | 8 | #include "mbed.h" |
d_worrall | 0:843654413849 | 9 | #include "string" |
d_worrall | 0:843654413849 | 10 | #include "PCA9635.h" |
d_worrall | 0:843654413849 | 11 | #include "ctype.h" |
d_worrall | 0:843654413849 | 12 | |
d_worrall | 0:843654413849 | 13 | class dispBoB { |
d_worrall | 0:843654413849 | 14 | public: |
d_worrall | 0:843654413849 | 15 | //constructor |
d_worrall | 1:d3d2fb119fa3 | 16 | /** Create a dispBoB object defined on the I2C bus |
d_worrall | 1:d3d2fb119fa3 | 17 | * |
d_worrall | 1:d3d2fb119fa3 | 18 | */ |
d_worrall | 0:843654413849 | 19 | dispBoB(PinName sda, PinName scl, PinName en); |
d_worrall | 0:843654413849 | 20 | |
d_worrall | 0:843654413849 | 21 | //output control |
d_worrall | 0:843654413849 | 22 | /** Clear screen |
d_worrall | 0:843654413849 | 23 | * |
d_worrall | 0:843654413849 | 24 | */ |
d_worrall | 0:843654413849 | 25 | void cls(void); |
d_worrall | 0:843654413849 | 26 | /** Set cursor position |
d_worrall | 0:843654413849 | 27 | * |
d_worrall | 0:843654413849 | 28 | * @param pos display location left to right (0-5) |
d_worrall | 0:843654413849 | 29 | */ |
d_worrall | 0:843654413849 | 30 | void locate(char pos); |
d_worrall | 0:843654413849 | 31 | /** Put an ASCII encoded character onto display at current location |
d_worrall | 0:843654413849 | 32 | * |
d_worrall | 0:843654413849 | 33 | * @param c ASCII encoded character or number (no punctuation) |
d_worrall | 0:843654413849 | 34 | */ |
d_worrall | 0:843654413849 | 35 | void putc(char c); |
d_worrall | 0:843654413849 | 36 | /** Put an ASCII encoded character onto display at specified location |
d_worrall | 0:843654413849 | 37 | * |
d_worrall | 0:843654413849 | 38 | * @param c ASCII encoded character or number |
d_worrall | 0:843654413849 | 39 | * @param pos display location lef to right (0-5) |
d_worrall | 0:843654413849 | 40 | */ |
d_worrall | 0:843654413849 | 41 | void putc(char c, char pos); |
d_worrall | 0:843654413849 | 42 | /** Write a string to the display |
d_worrall | 0:843654413849 | 43 | * |
d_worrall | 0:843654413849 | 44 | * @param str String to be displayed |
d_worrall | 0:843654413849 | 45 | */ |
d_worrall | 0:843654413849 | 46 | void write(string str); |
d_worrall | 0:843654413849 | 47 | /** Write a scrolling string (right to left) to display (no punctuation) |
d_worrall | 0:843654413849 | 48 | * |
d_worrall | 0:843654413849 | 49 | * @param str String to be displayed |
d_worrall | 0:843654413849 | 50 | * @param speed duration of each frame (seconds) |
d_worrall | 0:843654413849 | 51 | */ |
d_worrall | 0:843654413849 | 52 | void scroll(string str, float speed); |
d_worrall | 0:843654413849 | 53 | |
d_worrall | 0:843654413849 | 54 | private: |
d_worrall | 0:843654413849 | 55 | |
d_worrall | 0:843654413849 | 56 | PCA9635 _pca; |
d_worrall | 0:843654413849 | 57 | DigitalOut _en; |
d_worrall | 0:843654413849 | 58 | char _cursor; |
d_worrall | 0:843654413849 | 59 | }; |
d_worrall | 0:843654413849 | 60 | |
d_worrall | 0:843654413849 | 61 | #endif |
d_worrall | 0:843654413849 | 62 |