Diff: main.cpp

Revision:

0:15536ec3bf58

Child:

1:ed8910f358bc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu May 18 22:56:32 2017 +0000
@@ -0,0 +1,150 @@
+/** Control Loco.
+
+Por: Laura Ávila
+     Daniela López
+     Nicolás Villegas
+
+Este programa interfiere de forma loca la operación de un televisor.
+Emite códigos de t.v. con el fin de fastidiar al televidente.
+
+El control utilizado es de marca Panasonic. Se encontró que los códigos IRDA para
+esta referencia tienen una longitud de 48 bits. Se modificó el programa "Capturas IRDA"
+para ajustarse a esta característica y con base en eso se obtuvieron los códigos.
+
+La emisión es aleatoria para
+   1 Mute
+   2 On/Off
+   3 Vol+
+   4 Vol-
+   5 Ch+
+   6 Ch-
+*/
+
+#include "mbed.h"
+#include <Timer.h>
+#include <math.h>
+#include "TextLCD.h"
+
+Timer timer;
+DigitalOut led(PTE31); // Al transistor del led infrarrojo pin.
+DigitalOut indic(LED2);
+TextLCD lcd(PTB10, PTB11, PTE2, PTE3, PTE4, PTE5); // rs, e, d4-d7
+
+double escala_tiempo = 1.0;
+int code[50];
+int aleatorio(int a, int b);
+void enviar_uno(int duracion);
+void enviar_codigo(int n_bits, int *code);
+
+const int n_bits = 48;
+const int header_L = 3440;
+const int header_H = 1737;
+
+const unsigned ch_up[] = {449,1346,477,477,476,476,476,477,477,476,476,476,476,1346,476,477,477,478,476,475,476,476,477,1347,475,475,475,476,477,475,476,475,476,476,1346,476,1348,1320,476,475,475,476,1345,476,1347,1320,476,1346};
+const unsigned ch_down[] = {452,1323,451,452,452,453,452,454,452,451,453,451,453,1323,454,451,452,452,453,452,451,452,452,1322,451,451,453,452,453,452,454,451,1300,451,1322,453,1322,1322,451,451,1322,452,1322,451,1297,1298,450,1323};
+const unsigned mute[] = {457,1326,456,457,456,456,456,456,457,458,481,457,458,1326,481,455,456,456,457,457,456,456,457,1326,458,455,456,456,458,456,480,454,458,1327,456,456,1327,1327,455,458,457,1327,481,457,1328,1326,455,1328};
+const unsigned power[] = {476,1347,476,477,475,477,475,476,476,476,475,450,476,1347,476,475,476,476,476,478,477,477,475,1346,477,476,477,476,476,476,477,476,1346,477,1346,1347,1346,1347,475,477,1347,476,1324,1347,1346,1325,456,1327};
+const unsigned vol_up[] = {452,1322,452,452,452,453,452,451,451,452,452,452,452,1322,452,453,451,452,452,452,452,452,453,1322,451,454,453,453,453,452,452,452,452,453,453,452,453,1323,452,452,454,453,453,454,453,1323,453,1323};
+const unsigned vol_down[] = {453,1298,454,452,454,453,454,453,453,453,453,454,453,1324,454,453,454,454,452,454,453,454,454,1323,452,453,452,452,453,453,453,453,1322,454,452,453,452,1322,451,452,1323,454,452,453,452,1324,452,1323};
+char* msg;                
+                 
+int main() {
+   
+    timer.start();
+    lcd.cls();
+       
+    while (true) {
+        
+        int numero = aleatorio(0, 57) % 6;
+        
+        switch (numero) {
+            case 0:
+                for (int i = 0; i < n_bits; i++) {
+                    code[i] = ch_up[i];
+                    msg = "ch_up";
+                }
+                break;
+            case 1:
+                for (int i = 0; i < n_bits; i++) {
+                    code[i] = ch_down[i];
+                    msg = "ch_down";
+                }
+                break;
+            case 2:
+                for (int i = 0; i < n_bits; i++) {
+                    code[i] = mute[i];
+                    msg = "mute";
+                }
+                break;
+            case 3:
+                for (int i = 0; i < n_bits; i++) {
+                    code[i] = power[i];
+                    msg = "power";
+                }
+                break;
+            case 4:
+                for (int i = 0; i < n_bits; i++) {
+                    code[i] = vol_up[i];
+                    msg = "vol_up";
+                }
+                break;
+            case 5:
+                for (int i = 0; i < n_bits; i++) {
+                    code[i] = vol_down[i];
+                    msg = "vol_down";
+                }
+                break;
+        }
+        
+        int minutos = aleatorio(1, 100) % 10;
+        
+        for (int m = minutos; m > 0; m--) {
+            for (int s = 59; s >= 0; s--) {
+                indic = !indic;
+                lcd.cls();
+                lcd.locate(0,0);
+                lcd.printf("%s\nen:%2d:%02d", msg, m, s);
+                wait(1/escala_tiempo);
+            }
+        }
+        
+        enviar_codigo(n_bits, code);
+        
+    }
+}
+
+void enviar_uno(int duracion) {
+
+    Timer t;
+    t.reset();
+    t.start();
+    
+    while (t.read_us() < duracion) {
+        led = 1;
+        wait_us(8);
+        led = 0;
+        wait_us(8);
+    } 
+}
+
+void descanso(int duracion) {
+    wait_us(duracion);
+}
+                     
+void enviar_codigo(int n_bits, int *code) {
+
+    led = 0;
+    wait_ms(100);
+    enviar_uno(header_L);
+    descanso(header_H);
+    
+    for (int i = 0; i < n_bits; ++i) {
+        enviar_uno(400);
+        descanso(code[i]);
+    }
+    enviar_uno(420);
+}
+
+int aleatorio(int a, int b) {
+    return rint((b - a) * abs(cos((double)timer.read_us())) + a);
+} 
\ No newline at end of file