Fabio Dal Forno / Mbed 2 deprecated TimerFiera

Gestione Timer per roboval

Dependencies:   TextLCD mbed

Timer di misura per roboval. Il programma è stato scritto per la scheda Nucleo STM32F401RE, prevede la misura del tempo totale e dei parziali sui tre giri

main.cpp@1:289167b04f0d, 2016-04-22 (annotated)

Committer:
fdalforno
Date:
Fri Apr 22 07:21:35 2016 +0000
Revision:
1:289167b04f0d
Parent:
0:c7170b5cd312
Child:
2:9fc2b9475b38
Versione aggiornata con controllo batteria e parziali

Who changed what in which revision?

UserRevisionLine numberNew contents of line
fdalforno 0:c7170b5cd312 1 #include <stdlib.h>
fdalforno 0:c7170b5cd312 2
fdalforno 0:c7170b5cd312 3 #include "mbed.h"
fdalforno 0:c7170b5cd312 4 #include "TextLCD.h"
fdalforno 0:c7170b5cd312 5
fdalforno 0:c7170b5cd312 6 #define NUM_LAP 3
fdalforno 1:289167b04f0d 7 #define VBAT_MIN 7
fdalforno 0:c7170b5cd312 8
fdalforno 0:c7170b5cd312 9 typedef struct time_screen {
fdalforno 0:c7170b5cd312 10 int cents;
fdalforno 0:c7170b5cd312 11 int seconds;
fdalforno 0:c7170b5cd312 12 int minutes;
fdalforno 0:c7170b5cd312 13 } measured_time;
fdalforno 0:c7170b5cd312 14
fdalforno 0:c7170b5cd312 15
fdalforno 0:c7170b5cd312 16 DigitalOut heartbeat(LED1);
fdalforno 1:289167b04f0d 17 AnalogIn vbat(PC_3);
fdalforno 0:c7170b5cd312 18
fdalforno 0:c7170b5cd312 19 InterruptIn user_button(USER_BUTTON);
fdalforno 0:c7170b5cd312 20 InterruptIn proximity(D9);
fdalforno 0:c7170b5cd312 21
fdalforno 0:c7170b5cd312 22 Timer t;
fdalforno 1:289167b04f0d 23 TextLCD lcd(D2,D3,D4,D5,D6,D7);
fdalforno 0:c7170b5cd312 24
fdalforno 0:c7170b5cd312 25 int lap = 0;
fdalforno 0:c7170b5cd312 26 int last_read = 0;
fdalforno 0:c7170b5cd312 27 int lap_time = 0;
fdalforno 0:c7170b5cd312 28
fdalforno 0:c7170b5cd312 29
fdalforno 0:c7170b5cd312 30 //Conversione da millisecondi a mm:ss:cc
fdalforno 0:c7170b5cd312 31 measured_time human_read(int ms){
fdalforno 0:c7170b5cd312 32 measured_time read;
fdalforno 0:c7170b5cd312 33 div_t qr = div(ms,1000);
fdalforno 0:c7170b5cd312 34
fdalforno 0:c7170b5cd312 35 read.cents = qr.rem % 100;
fdalforno 0:c7170b5cd312 36
fdalforno 0:c7170b5cd312 37 qr = div(qr.quot,60);
fdalforno 0:c7170b5cd312 38 read.seconds = qr.rem;
fdalforno 0:c7170b5cd312 39
fdalforno 0:c7170b5cd312 40 qr = div(qr.quot,60);
fdalforno 0:c7170b5cd312 41 read.minutes = qr.rem;
fdalforno 0:c7170b5cd312 42
fdalforno 0:c7170b5cd312 43 return read;
fdalforno 0:c7170b5cd312 44 }
fdalforno 0:c7170b5cd312 45
fdalforno 0:c7170b5cd312 46 void measure_time(){
fdalforno 0:c7170b5cd312 47 int read = t.read_ms();
fdalforno 0:c7170b5cd312 48
fdalforno 0:c7170b5cd312 49 if(lap == 0){
fdalforno 0:c7170b5cd312 50 t.start();
fdalforno 0:c7170b5cd312 51 lap++;
fdalforno 0:c7170b5cd312 52 }else{
fdalforno 0:c7170b5cd312 53 //Dabouncing per evitare problemi
fdalforno 1:289167b04f0d 54 if(read - last_read > 1000){
fdalforno 0:c7170b5cd312 55
fdalforno 0:c7170b5cd312 56 lap_time = read - last_read;
fdalforno 0:c7170b5cd312 57
fdalforno 1:289167b04f0d 58 if(lap >= NUM_LAP){
fdalforno 0:c7170b5cd312 59 t.stop();
fdalforno 1:289167b04f0d 60 lap++;
fdalforno 0:c7170b5cd312 61 }else{
fdalforno 0:c7170b5cd312 62 lap++;
fdalforno 0:c7170b5cd312 63 }
fdalforno 0:c7170b5cd312 64
fdalforno 0:c7170b5cd312 65 last_read = read;
fdalforno 0:c7170b5cd312 66 }
fdalforno 0:c7170b5cd312 67 }
fdalforno 0:c7170b5cd312 68
fdalforno 0:c7170b5cd312 69 }
fdalforno 0:c7170b5cd312 70
fdalforno 0:c7170b5cd312 71 void reset_measure(){
fdalforno 1:289167b04f0d 72 t.stop();
fdalforno 0:c7170b5cd312 73 t.reset();
fdalforno 0:c7170b5cd312 74 lap = 0;
fdalforno 0:c7170b5cd312 75 last_read = 0;
fdalforno 1:289167b04f0d 76 lcd.cls();
fdalforno 0:c7170b5cd312 77 }
fdalforno 0:c7170b5cd312 78
fdalforno 0:c7170b5cd312 79
fdalforno 0:c7170b5cd312 80
fdalforno 0:c7170b5cd312 81
fdalforno 0:c7170b5cd312 82
fdalforno 0:c7170b5cd312 83 int main() {
fdalforno 0:c7170b5cd312 84
fdalforno 0:c7170b5cd312 85 proximity.mode(PullDown);
fdalforno 0:c7170b5cd312 86 proximity.rise(&measure_time);
fdalforno 0:c7170b5cd312 87 user_button.fall(&reset_measure);
fdalforno 0:c7170b5cd312 88
fdalforno 1:289167b04f0d 89 //Controllo batteria
fdalforno 1:289167b04f0d 90
fdalforno 1:289167b04f0d 91
fdalforno 0:c7170b5cd312 92 while(true) {
fdalforno 0:c7170b5cd312 93 int read = t.read_ms();
fdalforno 0:c7170b5cd312 94
fdalforno 0:c7170b5cd312 95 measured_time time = human_read(read);
fdalforno 0:c7170b5cd312 96
fdalforno 0:c7170b5cd312 97 lcd.locate(0,0);
fdalforno 0:c7170b5cd312 98 lcd.printf("Totale %02d:%02d:%02d",time.minutes,time.seconds,time.cents);
fdalforno 0:c7170b5cd312 99
fdalforno 0:c7170b5cd312 100 //Gestione dei parziali
fdalforno 0:c7170b5cd312 101 if(lap > 1){
fdalforno 0:c7170b5cd312 102 time = human_read(lap_time);
fdalforno 0:c7170b5cd312 103 lcd.locate(0,1);
fdalforno 0:c7170b5cd312 104 lcd.printf("Giro %d %02d:%02d:%02d",lap - 1,time.minutes,time.seconds,time.cents);
fdalforno 0:c7170b5cd312 105 }
fdalforno 0:c7170b5cd312 106
fdalforno 0:c7170b5cd312 107 heartbeat = !heartbeat;
fdalforno 0:c7170b5cd312 108
fdalforno 0:c7170b5cd312 109
fdalforno 1:289167b04f0d 110 if(lap > 0 && lap <= NUM_LAP){
fdalforno 1:289167b04f0d 111 wait(0.1);
fdalforno 0:c7170b5cd312 112 }else{
fdalforno 1:289167b04f0d 113 if(lap == 0){
fdalforno 1:289167b04f0d 114 double battery = ((3.3 * vbat) * 57) / 10;
fdalforno 1:289167b04f0d 115 if(battery < VBAT_MIN){
fdalforno 1:289167b04f0d 116 lcd.locate(0,1);
fdalforno 1:289167b04f0d 117 lcd.printf("LOW BAT %2.1f",battery);
fdalforno 1:289167b04f0d 118 }else{
fdalforno 1:289167b04f0d 119 lcd.locate(0,1);
fdalforno 1:289167b04f0d 120 lcd.printf("OK BAT %2.1f",battery);
fdalforno 1:289167b04f0d 121 }
fdalforno 1:289167b04f0d 122 }
fdalforno 0:c7170b5cd312 123 wait(1);
fdalforno 0:c7170b5cd312 124 }
fdalforno 0:c7170b5cd312 125 }
fdalforno 0:c7170b5cd312 126 }