Grupo AAE
/
P2_E4
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Dependencies: mbed
Diff: main.cpp
- Revision:
- 0:2b6bac81f08c
diff -r 000000000000 -r 2b6bac81f08c main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Oct 15 10:04:42 2019 +0000
@@ -0,0 +1,35 @@
+#include "mbed.h"
+#include "datos.h"
+#include "math.h"
+
+Timer timer;
+float resultado;
+int tiempo;
+
+float calcularRMS(int16_t *datos, int longitud);
+
+
+int main()
+{
+
+ timer.reset();
+ timer.start();
+ resultado=calcularRMS(datos, 500);
+ timer.stop();
+ printf("****El valor Vrms es %f calculado en %d us ****\n",resultado,timer.read_us());
+
+}
+
+float calcularRMS(int16_t *datos, int longitud)
+{
+ int64_t sumatorio=0;
+ for (int i=0; i< longitud;i++)
+ {
+ sumatorio =+ datos[i]*datos[i];
+ }
+
+ float cte = 0.0001007080078125;
+ int resultado = cte * sqrt((float)sumatorio/longitud);
+ return resultado;
+}
+