Revision 0:843654413849, committed 2011-06-29

Comitter:

d_worrall

Date:

Wed Jun 29 11:23:47 2011 +0000

Child:

1:d3d2fb119fa3

Commit message:

version1

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dispBoB.cpp	Wed Jun 29 11:23:47 2011 +0000
@@ -0,0 +1,100 @@
+//NXP PCA9635 library
+//mbed Team     -   28th June 2011
+//Daniel Worrall
+
+#include "mbed.h"
+#include "PCA9635.h"
+#include "dispBoB.h"
+
+Serial pc(USBTX, USBRX);
+
+    static const char _loc[] = {0x02, 0x02, 0x04, 0x04, 0x10, 0x10, 0x12, 0x12}; 
+    static const short _disp[] = {
+    0xE00E, 0x2008, 0xC00D, 0x600D, 0x200B, 0x6007, 0xE007, 0x200E, 0xE00F, 0x600F, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0xF001, 0xE003, 0xC001, 0xE009, 0xC007, 0x8007, 0x600F, 0xA003, 0x8000, 0x6008, 0xA007, 0x3008, 0xA005, 0xA001, 0xE001,
+    0x800F, 0x300F, 0x8001, 0x6007, 0xC003, 0xE000, 0xE000, 0xE004, 0xA00B, 0x600B, 0xC00D, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x1000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    
+    0x0EE0, 0x0280, 0x0CD0, 0x06D0, 0x02B0, 0x0670, 0x0E70, 0x02E0, 0x0EF0, 0x06F0, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0F10, 0x0E30, 0x0C10, 0x0E90, 0x0C70, 0x0870, 0x06F0, 0x0A30, 0x0800, 0x0680, 0x0A70, 0x0380, 0x0A50, 0x0A10, 0x0E10,
+    0x08F0, 0x03F0, 0x0810, 0x0670, 0x0C30, 0x0E00, 0x0E00, 0x0E40, 0x0AB0, 0x06B0, 0x0CD0, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0100, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    };
+    short _element[8];
+    short _pair[4];
+    string nullArray = "      ";
+
+dispBoB::dispBoB(PinName sda, PinName scl, PinName en): _pca(sda, scl), _en(en) {
+    _en = 0;
+    _pca.init(_loc[5]);
+}
+
+void dispBoB::cls(void){
+    for(int j = 0; j < 8; j++){
+        locate(j);
+        _pca.bus(0x0000);
+    }
+    _cursor = 0x10;
+}
+
+void dispBoB::locate(char pos){
+    _pca.setAddress(_loc[pos]);
+    _cursor = pos;
+}
+
+void dispBoB::putc(char c){
+    
+    if(_cursor & 1){
+        _element[_cursor] = _disp[c+16];
+    } else {
+        _element[_cursor] = _disp[c-48];
+    }
+    
+    int i = _cursor/2;
+    _pair[i] = _element[(2*i)] + _element[(2*i)+1];
+    _pca.bus(_pair[i]); 
+}
+
+void dispBoB::putc(char c, char pos){
+
+    locate(pos);
+  
+    if(c == 32) c += 32;    
+    if(_cursor & 1){
+    _element[_cursor] = _disp[c+16];
+    } else {
+    _element[_cursor] = _disp[c-48];
+    } 
+    
+    int i = _cursor/2;
+    _pair[i] = _element[(2*i)] + _element[(2*i)+1];
+    _pca.bus(_pair[i]); 
+}
+
+void dispBoB::write(string str){ 
+    for(int j = 5; j >= 0; j--){
+        putc(toupper(str[j]), j);
+    }
+}
+
+void dispBoB::scroll(string str, float speed){
+    char buffer[6];
+
+    str.insert(0, nullArray);
+    str.insert(str.length(), nullArray);
+    
+    for(int k = 0; k < str.length(); k++){
+        str.copy(buffer, 6, k);
+        write(buffer);
+        wait(speed);
+    }
+}
+
+
+
+
+
+
+
+
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dispBoB.h	Wed Jun 29 11:23:47 2011 +0000
@@ -0,0 +1,59 @@
+//NXP PCA9635 library
+//mbed Team     -   28th June 2011
+//Daniel Worrall
+
+#ifndef MBED_DISPBOB_H
+#define MBED_DISPBOB_H
+
+#include "mbed.h"
+#include "string"
+#include "PCA9635.h"
+#include "ctype.h"
+
+class dispBoB {
+public:
+    //constructor
+    dispBoB(PinName sda, PinName scl, PinName en);
+    
+    //output control
+    /** Clear screen
+    *
+    */
+    void cls(void);
+    /** Set cursor position
+    *
+    * @param pos display location left to right (0-5)
+    */
+    void locate(char pos);
+    /** Put an ASCII encoded character onto display at current location
+    *
+    * @param c ASCII encoded character or number (no punctuation)
+    */
+    void putc(char c);
+    /** Put an ASCII encoded character onto display at specified location
+    *
+    * @param c ASCII encoded character or number
+    * @param pos display location lef to right (0-5)  
+    */
+    void putc(char c, char pos);
+    /** Write a string to the display
+    *
+    * @param str String to be displayed
+    */
+    void write(string str);
+    /** Write a scrolling string (right to left) to display (no punctuation)
+    *
+    * @param str String to be displayed
+    * @param speed duration of each frame (seconds)
+    */
+    void scroll(string str, float speed);
+    
+private:
+
+    PCA9635 _pca;
+    DigitalOut _en;
+    char _cursor; 
+};
+
+#endif
+