Sz_Insper / Mbed 2 deprecated DAC_F302_Audio

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Dependencies:   mbed

Files at this revision

API Documentation at this revision

Revision 0:08d7440bdf68, committed 2020-10-15

Comitter:
henriquer
Date:
Thu Oct 15 21:13:21 2020 +0000
Commit message:
ADC-DAC-Sinal Audio

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Oct 15 21:13:21 2020 +0000
@@ -0,0 +1,49 @@
+
+// #################### DAC F302 #################### 
+
+#include "mbed.h"
+
+AnalogIn Ain(A0); // Entrada sinal de áudio
+
+AnalogOut Aout(A2); // Reconstrução -sinal de áudio
+
+Ticker snyq_tick;
+
+
+void snyq_task(void);
+
+
+float data_in, data_out;
+
+int main()
+{
+    snyq_tick.attach_us(&snyq_task,25); // tempo de amostragem do sinal 1/25us
+}
+// Funcção Amostragem do Sinal - DAC
+void snyq_task(void)
+{
+    data_in=Ain;
+    data_out=data_in;
+    Aout=data_out;
+    
+}
+
+//float LPF(float LPF_in)
+//{
+//float a[4]= {1,2,1};
+
+//float b[4]= {1,2,1};
+//static float LPF_out;
+//static float x[4], y[4];
+//x[3] = x[2];
+//x[2] = x[1];
+//x[1] = x[0]; // move x values by one sample
+//y[3] = y[2];
+//y[2] = y[1];
+//y[1] = y[0]; // move y values by one sample
+// x[0] = LPF_in; // new value for x[0]
+// y[0] = (b[0]*x[0]) + (b[1]*x[1]) + (b[2]*x[2]) + (b[3]*x[3]) + (a[1]*y[1]) + (a[2]*y[2]) + (a[3]*y[3]);
+
+//LPF_out = y[0];
+//return LPF_out; // output filtered value
+//}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Oct 15 21:13:21 2020 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400
\ No newline at end of file