Diff: main.cpp

Revision:

4:8eac4e92928a

Parent:

3:2d84c8262139

Child:

6:482c4dccb291

--- a/main.cpp	Thu Nov 26 09:28:37 2015 +0000
+++ b/main.cpp	Mon Nov 30 11:25:12 2015 +0000
@@ -1,43 +1,56 @@
-// miniblip led matrix demo
+// potenciometro controla la matriz 
+// y buzzer al mismo tiempo envia por 
+// el puerto serie
 
 #include "mbed.h"
 #include "neopixel.h"
+#include "USBSerial.h"
 
 // Matrix led output pin
-#define DATA_PIN P0_9
+#define MATRIX_PIN P0_9
+#define NLEDS 25
+
+
+AnalogIn   ain(P0_22);
+
+unsigned int counter = 0;   
+USBSerial serial;
 
-void generate(neopixel::Pixel * out, uint32_t index, uintptr_t extra)
-{
-    uint32_t brightness = (index + extra) >> 3;
-    out->red   = ((index + extra) & 0x1) ? brightness : 0;
-    out->green = ((index + extra) & 0x2) ? brightness : 0;
-    out->blue  = ((index + extra) & 0x4) ? brightness : 0;
+neopixel::Pixel buffer[NLEDS];
+PwmOut speaker(P0_8);
+
+
+void setPixel(uint32_t posicion, uint8_t red, uint8_t green, uint8_t blue) {
+  buffer[posicion].red=red;
+  buffer[posicion].green=green;
+  buffer[posicion].blue=blue;
 }
 
+
 int main()
 {
     // Turn off miniblip buzzer
-    PwmOut speaker(P0_8);
     speaker=0.0;
-    // Create a temporary DigitalIn so we can configure the pull-down resistor.
-    DigitalIn(DATA_PIN, PullDown);
-
-    // The pixel array control class.
-    neopixel::PixelArray array(DATA_PIN);
 
-    uint32_t offset = 0;
-    uint32_t i = 1;
-    while (1) {
-        array.update(generate, 64, offset++);
+    serial.printf("Hello world!\n");    
+    while(true) {   
+        float pot = ain.read() * 100.0f;
+        serial.printf("mini blip is alive for %i seconds.\n", counter);
+        serial.printf("Pot: %3.3f%%\n", pot);
+        counter++;  
+    
+        neopixel::PixelArray array(MATRIX_PIN);
+        for(int i=0;i<NLEDS;i++) {
+            setPixel(i, pot, 0, 0);
+        }
         
-        //Play Sound
-        float note=500+(i*100);
-        //speaker.period(1.0/note);           
-        //speaker = float(i)/50.0;
+        float note=500+(pot);
+        speaker.period(1.0/note);           
+        speaker = 50.0;
         
-        i++;
-        if (i>10) i=1;
-        // Rainbow delay
-        wait_ms(100);
+        array.update(buffer, NLEDS);
+        //wait(1);    
+
     }
-}
+    
+}// miniblip led matrix demo