Daniel Bromand / Mbed 2 deprecated Counter_with_LCD_Display

Counter with LCD Display

Dependencies:   TextLCD mbed

main.cpp@0:1abd7e24ae31, 2011-06-28 (annotated)

Committer:
bromand
Date:
Tue Jun 28 15:10:44 2011 +0000
Revision:
0:1abd7e24ae31
Child:
1:f580beec166a
1.0.0.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bromand 0:1abd7e24ae31 1 //Include mbed header file which contains the definition of DigitalOut class.
bromand 0:1abd7e24ae31 2 #include "mbed.h"
bromand 0:1abd7e24ae31 3 //Include TextLCD header file which contains the definition of TextLCD class.
bromand 0:1abd7e24ae31 4 #include "TextLCD.h"
bromand 0:1abd7e24ae31 5
bromand 0:1abd7e24ae31 6 //Initialize TextLCD with the correct pins
bromand 0:1abd7e24ae31 7 TextLCD lcd(p24, p26, p27, p28, p29, p30);
bromand 0:1abd7e24ae31 8
bromand 0:1abd7e24ae31 9 //This function gets an integer and converts it to a charecter
bromand 0:1abd7e24ae31 10 char* ConvertIntToChar(int i)
bromand 0:1abd7e24ae31 11 {
bromand 0:1abd7e24ae31 12 char* c = "";
bromand 0:1abd7e24ae31 13 switch (i)
bromand 0:1abd7e24ae31 14 {
bromand 0:1abd7e24ae31 15 case 1:
bromand 0:1abd7e24ae31 16 c = "1";
bromand 0:1abd7e24ae31 17 break;
bromand 0:1abd7e24ae31 18 case 2:
bromand 0:1abd7e24ae31 19 c = "2";
bromand 0:1abd7e24ae31 20 break;
bromand 0:1abd7e24ae31 21 case 3:
bromand 0:1abd7e24ae31 22 c = "3";
bromand 0:1abd7e24ae31 23 break;
bromand 0:1abd7e24ae31 24 case 4:
bromand 0:1abd7e24ae31 25 c = "4";
bromand 0:1abd7e24ae31 26 break;
bromand 0:1abd7e24ae31 27 case 5:
bromand 0:1abd7e24ae31 28 c = "5";
bromand 0:1abd7e24ae31 29 break;
bromand 0:1abd7e24ae31 30 case 6:
bromand 0:1abd7e24ae31 31 c = "6";
bromand 0:1abd7e24ae31 32 break;
bromand 0:1abd7e24ae31 33 case 7:
bromand 0:1abd7e24ae31 34 c = "7";
bromand 0:1abd7e24ae31 35 break;
bromand 0:1abd7e24ae31 36 case 8:
bromand 0:1abd7e24ae31 37 c = "8";
bromand 0:1abd7e24ae31 38 break;
bromand 0:1abd7e24ae31 39 case 9:
bromand 0:1abd7e24ae31 40 c = "9";
bromand 0:1abd7e24ae31 41 break;
bromand 0:1abd7e24ae31 42 case 0:
bromand 0:1abd7e24ae31 43 c = "0";
bromand 0:1abd7e24ae31 44 break;
bromand 0:1abd7e24ae31 45 }
bromand 0:1abd7e24ae31 46 return c;
bromand 0:1abd7e24ae31 47 }
bromand 0:1abd7e24ae31 48
bromand 0:1abd7e24ae31 49 //Print to LCD function receives an integer as an input and print the number to the LCD display
bromand 0:1abd7e24ae31 50 //This function accepts values between 0 and 99999
bromand 0:1abd7e24ae31 51 void PrintToLCD(int iCounter)
bromand 0:1abd7e24ae31 52 {
bromand 0:1abd7e24ae31 53 //Check for out of range numbers
bromand 0:1abd7e24ae31 54 if (iCounter < 0 || iCounter > 99999)
bromand 0:1abd7e24ae31 55 return;
bromand 0:1abd7e24ae31 56
bromand 0:1abd7e24ae31 57 char* c = "";
bromand 0:1abd7e24ae31 58 //case when the number is less than 10
bromand 0:1abd7e24ae31 59 if(iCounter < 10)
bromand 0:1abd7e24ae31 60 {
bromand 0:1abd7e24ae31 61 c = ConvertIntToChar(iCounter);
bromand 0:1abd7e24ae31 62 lcd.locate(0, 1);
bromand 0:1abd7e24ae31 63 lcd.printf(c);
bromand 0:1abd7e24ae31 64 }
bromand 0:1abd7e24ae31 65 //case when the number is less than 100
bromand 0:1abd7e24ae31 66 else if (iCounter<100)
bromand 0:1abd7e24ae31 67 {
bromand 0:1abd7e24ae31 68 //devide the number by 10 to get the 10s
bromand 0:1abd7e24ae31 69 int i10s = iCounter/10;
bromand 0:1abd7e24ae31 70 c = ConvertIntToChar(i10s);
bromand 0:1abd7e24ae31 71 lcd.locate(0, 1);
bromand 0:1abd7e24ae31 72 lcd.printf(c);
bromand 0:1abd7e24ae31 73 //Get the leftover to print the 1s
bromand 0:1abd7e24ae31 74 int i1s = iCounter%10;
bromand 0:1abd7e24ae31 75 c = ConvertIntToChar(i1s);
bromand 0:1abd7e24ae31 76 lcd.locate(1, 1);
bromand 0:1abd7e24ae31 77 lcd.printf(c);
bromand 0:1abd7e24ae31 78 }
bromand 0:1abd7e24ae31 79 else if (iCounter<1000)
bromand 0:1abd7e24ae31 80 {
bromand 0:1abd7e24ae31 81 //devide the number by 100 to get the 100s
bromand 0:1abd7e24ae31 82 int i100s = iCounter/100;
bromand 0:1abd7e24ae31 83 c = ConvertIntToChar(i100s);
bromand 0:1abd7e24ae31 84 lcd.locate(0, 1);
bromand 0:1abd7e24ae31 85 lcd.printf(c);
bromand 0:1abd7e24ae31 86 //Get the leftover to compute the 10s and 1s
bromand 0:1abd7e24ae31 87 int iTemp = iCounter%100;
bromand 0:1abd7e24ae31 88 int i10s = iTemp/10;
bromand 0:1abd7e24ae31 89 c = ConvertIntToChar(i10s);
bromand 0:1abd7e24ae31 90 lcd.locate(1, 1);
bromand 0:1abd7e24ae31 91 lcd.printf(c);
bromand 0:1abd7e24ae31 92 int i1s = iTemp%10;
bromand 0:1abd7e24ae31 93 c = ConvertIntToChar(i1s);
bromand 0:1abd7e24ae31 94 lcd.locate(2, 1);
bromand 0:1abd7e24ae31 95 lcd.printf(c);
bromand 0:1abd7e24ae31 96 }
bromand 0:1abd7e24ae31 97 else if (iCounter<10000)
bromand 0:1abd7e24ae31 98 {
bromand 0:1abd7e24ae31 99 //devide the number by 1000 to get the 1000s
bromand 0:1abd7e24ae31 100 int i1000s = iCounter/1000;
bromand 0:1abd7e24ae31 101 c = ConvertIntToChar(i1000s);
bromand 0:1abd7e24ae31 102 lcd.locate(0, 1);
bromand 0:1abd7e24ae31 103 lcd.printf(c);
bromand 0:1abd7e24ae31 104 //Get the leftover to compute the 100s, 10s and 1s
bromand 0:1abd7e24ae31 105 int iTemp100s = iCounter%1000;
bromand 0:1abd7e24ae31 106 int i100s = iTemp100s/100;
bromand 0:1abd7e24ae31 107 c = ConvertIntToChar(i100s);
bromand 0:1abd7e24ae31 108 lcd.locate(1, 1);
bromand 0:1abd7e24ae31 109 lcd.printf(c);
bromand 0:1abd7e24ae31 110 //Get the leftover to compute the 10s and 1s
bromand 0:1abd7e24ae31 111 int iTemp10s = iTemp100s%100;
bromand 0:1abd7e24ae31 112 int i10s = iTemp10s/10;
bromand 0:1abd7e24ae31 113 c = ConvertIntToChar(i10s);
bromand 0:1abd7e24ae31 114 lcd.locate(2, 1);
bromand 0:1abd7e24ae31 115 lcd.printf(c);
bromand 0:1abd7e24ae31 116 int i1s = iTemp10s%10;
bromand 0:1abd7e24ae31 117 c = ConvertIntToChar(i1s);
bromand 0:1abd7e24ae31 118 lcd.locate(3, 1);
bromand 0:1abd7e24ae31 119 lcd.printf(c);
bromand 0:1abd7e24ae31 120 }
bromand 0:1abd7e24ae31 121 }
bromand 0:1abd7e24ae31 122
bromand 0:1abd7e24ae31 123 //Main function
bromand 0:1abd7e24ae31 124 int main()
bromand 0:1abd7e24ae31 125 {
bromand 0:1abd7e24ae31 126 //Clear the LCD display
bromand 0:1abd7e24ae31 127 lcd.cls();
bromand 0:1abd7e24ae31 128 //Locate Row 0 Column 0 in the LCD display
bromand 0:1abd7e24ae31 129 lcd.locate(0, 0);
bromand 0:1abd7e24ae31 130 //Print "The End"
bromand 0:1abd7e24ae31 131 lcd.printf("Start Counting:");
bromand 0:1abd7e24ae31 132 //Iterate between 0 and 1000.
bromand 0:1abd7e24ae31 133 for(int i=0 ; i<=1000 ; i++)
bromand 0:1abd7e24ae31 134 {
bromand 0:1abd7e24ae31 135 //Call PrintToLCD function
bromand 0:1abd7e24ae31 136 PrintToLCD(i);
bromand 0:1abd7e24ae31 137 //wait for 250ms
bromand 0:1abd7e24ae31 138 wait(0.25);
bromand 0:1abd7e24ae31 139 }
bromand 0:1abd7e24ae31 140 //Clear the LCD display
bromand 0:1abd7e24ae31 141 lcd.cls();
bromand 0:1abd7e24ae31 142 //Locate Row 0 Column 0 in the LCD display
bromand 0:1abd7e24ae31 143 lcd.locate(0, 0);
bromand 0:1abd7e24ae31 144 //Print "The End"
bromand 0:1abd7e24ae31 145 lcd.printf("The End!!!");
bromand 0:1abd7e24ae31 146 }