Diff: main.cpp

Revision:

0:8e1427586aba

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Dec 13 02:35:58 2011 +0000
@@ -0,0 +1,164 @@
+#include "mbed.h"
+#include "math.h"
+float batt=0; 
+float curr=0;
+//variables y metodos para el display
+BusOut segments(p28,p23,p20,p19,p29,p26,p22); //g,f,e,d,c,b,a
+BusOut digits(p21,p24,p25,p27); //digitos
+int mask_plexing[4] ={0x01,0x02,0x04,0x08};//maskara para el multiplexado de digitos
+int mask_numbers[10]={0x01,0xcf,0x92,0x06,0x4c,0x24,0x20,0x0f,0x00,0x0c};//maskara de numeros 0,1,2,3,4,5,6,7,8,9
+int currDigit=1;//digito que debe estar encendido
+int dgt[4]={0,0,0,0};//separando en digitos
+Ticker plex;//timer para el multiplexado
+
+void plexing();//funcion de multiplexado
+void format(int n);//funcion para dar formato al numero
+//----------------------------------
+//variables y metodos sensor RPM
+InterruptIn hall(p8);//interrupcion del sensor hall
+int rpm=0;//guardar rpms
+float vel;
+void RPM();//calcular rpms
+//----------------------------------
+//Botones 1 y 2
+Timer reboot;//desactivar botones, rebote
+bool active=true;//activados??
+BusOut leds(LED1,LED2,LED3,LED4);//bus para los leds
+InterruptIn btn1(p7);//interrupcion del boton 1
+InterruptIn btn2(p6);//interrupcion del boton 2
+int mode=1;//seleccion de modo
+int maskMode[4]={1,2,4,8};//maskara para el flasheo de leds
+
+void btn1Pressed() {
+    if (reboot.read()>0.1) {
+        mode--;
+        if (mode<=0)
+            mode=1;
+        leds=maskMode[mode-1];
+        reboot.reset();
+        reboot.start();
+    }
+}
+
+void btn2Pressed() {
+    if (reboot.read()>0.1) {
+        mode++;
+        if (mode>=5)
+            mode=4;
+        leds=maskMode[mode-1];
+        reboot.reset();
+        reboot.start();
+    }
+}
+//---------------------------------------
+//funciones y variables comunicacion xbee
+Ticker flasher;
+Serial xBee(p9,p10);
+DigitalOut resetXbee(p11);
+bool flash=true;
+char in;
+int maskPits[5]={0x00,0xcf,0x00,0x24,0xff};
+void rcv() {
+    if (xBee.readable()) {
+        in=xBee.getc();
+        switch (in) {
+            case 'r':
+                break;
+            case 'p':
+                mode=5;
+                break;
+
+        }
+    }
+}
+
+void flashing() {
+    if (mode==5) {
+        if (flash) {
+            dgt[0]=maskPits[0];
+            dgt[1]=maskPits[1];
+            dgt[2]=maskPits[2];
+            dgt[3]=maskPits[3];
+            leds=15;
+            flash=!flash;
+        } else {
+            dgt[0]=maskPits[4];
+            dgt[1]=maskPits[4];
+            dgt[2]=maskPits[4];
+            dgt[3]=maskPits[4];
+            leds=0;
+            flash=!flash;
+        }
+    }
+}
+//----------------------------------
+Timer t;
+Ticker sendData;
+AnalogIn bateria(p17);
+AnalogIn corriente(p18);
+
+void send();
+
+//funcion principal
+int main() {
+    t.start();
+    reboot.start();
+    plex.attach(&plexing,0.0002);
+    flasher.attach(&flashing,0.2);
+
+    hall.mode(PullDown);
+    hall.fall(&RPM);
+
+    btn1.mode(PullUp);
+    btn1.fall(&btn1Pressed);
+    btn2.mode(PullUp);
+    btn2.fall(&btn2Pressed);
+    leds=maskMode[mode-1];
+
+    resetXbee=0;
+    xBee.baud(57600);
+    xBee.attach(&rcv);
+    sendData.attach(&send,0.25);
+}
+
+//funciones display
+
+void format(int n) {
+    long double base=10;
+    if (n>9999)
+        n=9999;
+    for (int i = 3; i >= 0; i--) {
+        dgt[3-i] = int (n /(pow(base,i)));
+        n -= dgt[3-i]*(pow(base,i));
+    }
+}
+
+void plexing() {
+    segments= mask_numbers[dgt[currDigit-1]];
+    digits=mask_plexing[currDigit-1];
+    currDigit++;
+    if (currDigit>=5)
+        currDigit=1;
+}
+//funciones rpm
+void RPM() {
+    float time;
+    t.stop();
+    time=t.read();
+    rpm=int((1/time)*60);
+    vel=rpm*(0.1053313185/2);
+    if (mode==1) {
+        format(rpm);
+    }
+    if(mode==2){
+    format(vel);
+    }
+    t.reset();
+    t.start();
+}
+
+void send() {
+        batt=bateria;
+        curr=corriente;
+        xBee.printf("%d;%f;%f;%f;\n",rpm,vel,batt,curr);
+}
\ No newline at end of file