Diff: Multi7Seg.cpp

Revision:

0:9db0be7962dd

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Multi7Seg.cpp	Sat Apr 23 10:17:01 2011 +0000
@@ -0,0 +1,106 @@
+#include "mbed.h"
+#include "Multi7Seg.h"
+//  Simple library that can controll a matrix of 7 segment led displays
+//  Created by Michele Trombetta
+//  Copyright 2010 5OFT. All rights reserved.
+
+Multi7Seg::Multi7Seg(PinName a, PinName b, PinName c, PinName d, PinName e, PinName f, PinName g, PinName disp1, PinName disp2, bool led_type): _disps(disp1, disp2), _led_7seg(a, b, c, d, e, f, g) {
+    _ndisp = 2;
+    _speed = 0.001;
+    _led_type = led_type;
+    _enabled = 0xFF;
+}
+
+Multi7Seg::Multi7Seg(PinName a, PinName b, PinName c, PinName d, PinName e, PinName f, PinName g, PinName disp1, PinName disp2, PinName disp3, bool led_type): _disps(disp1, disp2, disp3), _led_7seg(a, b, c, d, e, f, g) {
+    _ndisp = 3;
+    _speed = 0.001;
+    _led_type = led_type;
+    _enabled = 0xFF;
+}
+
+Multi7Seg::Multi7Seg(PinName a, PinName b, PinName c, PinName d, PinName e, PinName f, PinName g, PinName disp1, PinName disp2, PinName disp3, PinName disp4, bool led_type): _disps(disp1, disp2, disp3, disp4), _led_7seg(a, b, c, d, e, f, g) {
+    _ndisp = 4;
+    _speed = 0.001;
+    _led_type = led_type;
+    _enabled = 0xFF;
+}
+
+Multi7Seg::Multi7Seg(PinName a, PinName b, PinName c, PinName d, PinName e, PinName f, PinName g, PinName disp1, PinName disp2, PinName disp3, PinName disp4, PinName disp5, bool led_type): _disps(disp1, disp2, disp3, disp4, disp5), _led_7seg(a, b, c, d, e, f, g) {
+    _ndisp = 5;
+    _speed = 0.001;
+    _led_type = led_type;
+    _enabled = 0xFF;
+}
+
+void Multi7Seg::write(unsigned int number) {
+    if (_format) {  //Dec
+        _num1 = number / 10000;
+        _num2 = (number % 10000)/1000;
+        _num3 = (number % 1000)/100;
+        _num4 = (number % 100)/10;
+        _num5 = number % 10;
+    } else {    //Hex
+        _num2 = (number % 65536)/4096;
+        _num3 = (number % 4096)/256;
+        _num4 = (number % 256)/16;
+        _num5 = number % 16;
+    }
+
+    switch (_ndisp) {
+        case 5:
+            _disps = _led_type ? 255 : 0;
+            if (_enabled & 0x10) {
+                led_write((unsigned char)_num1);
+                _disps = _led_type ? 254 : 16;
+            }
+            wait(_speed);
+        case 4:
+            _disps = _led_type ? 255 : 0;
+            if (_enabled & 0x08) {
+                led_write((unsigned char)_num2);
+                _disps = _led_type ? 253 : 8;
+            }
+            wait(_speed);
+        case 3:
+            _disps = _led_type ? 255 : 0;
+            if (_enabled & 0x04) {
+                led_write((unsigned char)_num3);
+                _disps = _led_type ? 251 : 4;
+            }
+            wait(_speed);
+        case 2:
+            _disps = _led_type ? 255 : 0;
+            if (_enabled & 0x02) {
+                led_write((unsigned char)_num4);
+                _disps = _led_type ? 247 : 2;
+            }
+            wait(_speed);
+
+            _disps = _led_type ? 255 : 0;
+            if (_enabled & 0x01) {
+                led_write((unsigned char)_num5);
+                _disps = _led_type ? 239 : 1;
+            }
+            wait(_speed);
+    }
+    _disps = _led_type ? 255 : 0;
+}
+
+void Multi7Seg::setformat(bool format) {
+    _format = format;
+}
+
+void Multi7Seg::setspeed(float speed) {
+    _speed = speed;
+}
+
+void Multi7Seg::setenabled(unsigned char enabled) {
+    _enabled = enabled;
+}
+
+void Multi7Seg::led_write(unsigned char number) {
+    if (number<24) {
+        if (_led_type) _led_7seg = num_7seg[number]; //Common Cathode
+        else _led_7seg = ~num_7seg[number];  //Common Anode
+    }
+}
\ No newline at end of file