main.cpp

00001 /*************************************************
00002  * SevenSegLed Library sample program
00003  * 
00004  * <schematic>
00005  * 1.seven segment numeric LED Display : OSL40562-LR
00006  *       http://akizukidenshi.com/download/OSL40562-LR.pdf
00007  *
00008  *  OSL40562-LR                          Resister        LPC1768
00009  *  Pin No     Function                   [ohm]           PinNo
00010  *  ---------------------------------------------------------------------------
00011  *   1         segment E                   100            p10 
00012  *   2         segment D                   100            p11
00013  *   3         segment Dp                  100            p12
00014  *   4         segment C                   100            p13
00015  *   5         segment G                   100            p14
00016  *   6         common  4                   -              p15  
00017  *   7         segment B                   100            p26
00018  *   8         common  3                   -              p27 
00019  *   9         common  2                   -              p28
00020  *  10         segment F                   100            p29
00021  *  11         segment A                   100            p30
00022  *  12         common  1                    -             p21
00023  * 
00024  **************************************************/
00025 
00026 #include "mbed.h"
00027 #include "SevenSegLed.h"
00028 
00029  //                     common type (0:anode common 1:cathode common)
00030  //                     | 
00031  //                     |  display mode (0:smooth 1:hard)
00032  //                     |  |
00033  //                     |  |    segA segB segC segD segE segF segG segP com1 com2 com3 com4 (com5,com6,com7,com8 = NC)                          
00034  //                     |  |    |    |    |    |    |    |    |    |    |    |    |    | 
00035 SevenSegLed sevenSegLed(1, 0, p30, p26, p13, p11, p10, p29, p14, p12, p21, p28, p27, p15);   // OSL40562-LR
00036 
00037 //================================
00038 // display buffer
00039 //================================
00040 //                   com1
00041 //                   |  com2
00042 //                   |  |  com3
00043 //                   |  |  |  com4
00044 //                   |  |  |  |
00045 uint8_t D_7seg[4] = {0, 0, 0, 0};   // 0x0 to 0x9 = "0" to "9" ,0xA to 0xF = "A" to "F", 0x10 = extinction
00046 uint8_t D_dot[4]  = {0, 1, 0, 0};   // 0:extinction  1: light
00047 
00048 
00049 //==============================
00050 // Variable counter & work
00051 //==============================
00052 uint8_t count = 0;      // free run counter (0x00 to 0xFF overflow to 0x00)
00053 uint8_t work;
00054 
00055 //==============================
00056 // main 
00057 //==============================
00058 int main() {
00059  
00060     while(1) {
00061  
00062        //==========================
00063        // Show hexadecimal
00064        //==========================
00065         work = count / 0x10;
00066         D_7seg[0] = work;
00067          
00068         work = count % 0x10;
00069         D_7seg[1] = work;
00070         
00071         //========================
00072         // Show decimal
00073         //========================
00074         work = count / 10;
00075         work %= 10;
00076         D_7seg[2] = work;
00077 
00078         work = count % 10;
00079         D_7seg[3] = work;
00080 
00081         //=======================
00082         // Show dot
00083         //=======================
00084         if((count % 2) == 0){
00085             D_dot[1] = 1;
00086             D_dot[3] = 0;
00087         }
00088         else{
00089             D_dot[1] = 0;
00090             D_dot[3] = 1;
00091         }
00092 
00093         D_dot[0] = 0;
00094         //D_dot[1] = 0;
00095         D_dot[2] = 0;
00096         //D_dot[3] = 0;
00097  
00098         //==============================
00099         // set dynamic output data
00100         //==============================
00101          sevenSegLed.SevenSegLed_main(D_7seg, D_dot);       
00102  
00103         //==============================
00104         // counter increment & time wait
00105         //==============================
00106         count++;
00107 
00108         wait(1.0);
00109 
00110     }
00111 }