Daniel Worrall / dispBoB

6 x 7 segment display library for PCA9637 driven breakout board

Dependents:   FTSE100 InternetDispBoB digitalThermometer Counter ... more

dispBoB.h@5:16b047464415, 2011-06-29 (annotated)

Committer:
d_worrall
Date:
Wed Jun 29 11:36:09 2011 +0000
Revision:
5:16b047464415
Parent:
4:4963731eafd8
Child:
7:adcfb0f5e4de
version1

Who changed what in which revision?

UserRevisionLine numberNew 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 2:b20aa44dec87 13 /** dispBoB class, defined on the I2C master bus
d_worrall 2:b20aa44dec87 14 *
d_worrall 2:b20aa44dec87 15 * Example:
d_worrall 2:b20aa44dec87 16 * @code
d_worrall 2:b20aa44dec87 17 * #include "mbed.h"
d_worrall 2:b20aa44dec87 18 * #include "dispBoB.h"
d_worrall 2:b20aa44dec87 19 *
d_worrall 2:b20aa44dec87 20 * dispBoB db(p28, p27, p26);
d_worrall 2:b20aa44dec87 21 * string str = "This is London calling";
d_worrall 2:b20aa44dec87 22 *
d_worrall 2:b20aa44dec87 23 * int main() {
d_worrall 2:b20aa44dec87 24 * db.cls();
d_worrall 2:b20aa44dec87 25 * while(1){
d_worrall 2:b20aa44dec87 26 * db.scroll(str, 0.25);
d_worrall 2:b20aa44dec87 27 * }
d_worrall 2:b20aa44dec87 28 * }
d_worrall 2:b20aa44dec87 29 * @endcode
d_worrall 2:b20aa44dec87 30 */
d_worrall 0:843654413849 31 class dispBoB {
d_worrall 0:843654413849 32 public:
d_worrall 0:843654413849 33 //constructor
d_worrall 2:b20aa44dec87 34 /** Create a dispBoB object defined on the I2C master bus
d_worrall 1:d3d2fb119fa3 35 *
d_worrall 5:16b047464415 36 * @param sda I2C data line
d_worrall 5:16b047464415 37 * @param scl I2C clock line
d_worrall 5:16b047464415 38 * @param en enable line
d_worrall 1:d3d2fb119fa3 39 */
d_worrall 0:843654413849 40 dispBoB(PinName sda, PinName scl, PinName en);
d_worrall 0:843654413849 41
d_worrall 0:843654413849 42 //output control
d_worrall 0:843654413849 43 /** Clear screen
d_worrall 0:843654413849 44 *
d_worrall 0:843654413849 45 */
d_worrall 0:843654413849 46 void cls(void);
d_worrall 0:843654413849 47 /** Set cursor position
d_worrall 0:843654413849 48 *
d_worrall 0:843654413849 49 * @param pos display location left to right (0-5)
d_worrall 0:843654413849 50 */
d_worrall 0:843654413849 51 void locate(char pos);
d_worrall 0:843654413849 52 /** Put an ASCII encoded character onto display at current location
d_worrall 0:843654413849 53 *
d_worrall 0:843654413849 54 * @param c ASCII encoded character or number (no punctuation)
d_worrall 0:843654413849 55 */
d_worrall 0:843654413849 56 void putc(char c);
d_worrall 0:843654413849 57 /** Put an ASCII encoded character onto display at specified location
d_worrall 0:843654413849 58 *
d_worrall 0:843654413849 59 * @param c ASCII encoded character or number
d_worrall 0:843654413849 60 * @param pos display location lef to right (0-5)
d_worrall 0:843654413849 61 */
d_worrall 0:843654413849 62 void putc(char c, char pos);
d_worrall 0:843654413849 63 /** Write a string to the display
d_worrall 0:843654413849 64 *
d_worrall 3:e767f379b823 65 * @param str String to be displayed (no punctuation)
d_worrall 0:843654413849 66 */
d_worrall 0:843654413849 67 void write(string str);
d_worrall 4:4963731eafd8 68 /** Write a scrolling string (right to left) to display
d_worrall 0:843654413849 69 *
d_worrall 4:4963731eafd8 70 * @param str String to be displayed (no punctuation)
d_worrall 0:843654413849 71 * @param speed duration of each frame (seconds)
d_worrall 0:843654413849 72 */
d_worrall 0:843654413849 73 void scroll(string str, float speed);
d_worrall 0:843654413849 74
d_worrall 0:843654413849 75 private:
d_worrall 0:843654413849 76
d_worrall 0:843654413849 77 PCA9635 _pca;
d_worrall 0:843654413849 78 DigitalOut _en;
d_worrall 0:843654413849 79 char _cursor;
d_worrall 0:843654413849 80 };
d_worrall 0:843654413849 81
d_worrall 0:843654413849 82 #endif
d_worrall 0:843654413849 83