main.cpp

00001 //##############################################################
00002 //##
00003 //## Event: RoboVal - Robot Race
00004 //##
00005 //## Chronometer double use
00006 //##
00007 //## Version 1.99A
00008 //##
00009 //## Hardware platform used: ST NUCLEO-F401RE
00010 //##
00011 //## Software IDE used: mbed online version
00012 //##
00013 //## Organizzation: Verona FabLab
00014 //##
00015 //## Date creation: 2018.01.01
00016 //##
00017 //## Software developpers: FdF,GV, AG
00018 //##
00019 //## Base on original version of by FdF
00020 //##
00021 //##############################################################
00022 
00023 #include <stdlib.h>
00024 #include "mbed.h"
00025 #include "TextLCD.h"
00026 #include "Hotboards_keypad.h"
00027  
00028  
00029 // Default Number Lap
00030 #define NUM_LAP 3
00031 
00032 // Reference for Low/Min Voltage battery
00033 #define VBAT_MIN 7.2
00034  
00035 // Defines the keys array with it's respective number of rows & cols,
00036 // and with the value of each key
00037 char keys[ 4 ][ 4 ] =
00038 {
00039     { '1' , '2' , '3' , 'A' },
00040     { '4' , '5' , '6' , 'B' },
00041     { '7' , '8' , '9' , 'C' },
00042     { '*' , '0' , '#' , 'D' }
00043 };
00044  
00045 // Pin keypad 4x4
00046 //  1,    2,     3,    4,     5,    6,    7,    8
00047 //  C4,   C3,    C2,   C1,    R4,   R3,   R2,   R1
00048 // PB_0, PA_4 , PA_1 , PA_0, PA_13, PA_14, PC_14, PC_15
00049 // PC_15, PC_14, PA_14, PA_13, PA_0, PA_1, PA_4, PB_0
00050 // 
00051 // Defines the pins connected to the rows
00052 DigitalInOut rowPins[ 4 ] = { PB_0 , PA_4 , PA_1 , PA_0 };
00053 
00054 // Defines the pins connected to the cols
00055 DigitalInOut colPins[ 4 ] = { PB_0 , PA_4 , PA_1 , PA_0  };
00056  
00057 // Creates a new keyboard with the values entered before
00058 Keypad kpd( makeKeymap( keys ) , rowPins , colPins , 4 , 4 );
00059  
00060 // Configures the serial port
00061 Serial pc( USBTX , USBRX );
00062  
00063 
00064 
00065  // read Voltage battery
00066 DigitalOut heartbeat(LED1);
00067 
00068 // read Voltage battery, analog pin used PC_3 (Pin 37 of Morpho layout)
00069 //AnalogIn vbat(PC_3);
00070  
00071 // User button pressure 
00072 InterruptIn user_button(USER_BUTTON); 
00073 
00074 // Sensor connected to digital input D9, alias PC7 on Morpho layout
00075 // Now p29 and p31
00076 InterruptIn proximity(D9); 
00077 
00078 
00079 // LCD Display (RS, E, D4, D5, D6, D7);
00080 TextLCD lcd(D2,D3,D4,D5,D6,D7); 
00081  
00082 
00083  
00084  
00085 //------------------------------------------------------------ 
00086 //
00087 //       Main body
00088 //
00089 //------------------------------------------------------------
00090  
00091 int main() {
00092     
00093     proximity.mode(PullDown);
00094   
00095     
00096     while(true) {       
00097         
00098         lcd.locate(0,0);
00099         lcd.printf("Character: ");
00100         
00101         heartbeat = !heartbeat;
00102                 
00103         // Poll the keypad to look for any activation
00104         char key = kpd.getKey( );
00105         
00106         // If any key was pressed
00107         if( key )
00108         {
00109             // Display the key pressed on serial port
00110             lcd.locate(0,1);            
00111             lcd.printf( "%c" , key );
00112             //lcd.printf( "\n\r" );
00113         }
00114     }
00115 }
00116