Philips Philips
Read samples from analog input ADC and outputs to DAC,outputs to speaker, like a karaoke machine lol
Revision 0:32b3a9352bd2, committed 2011-05-28
- Comitter:
- mbed2f
- Date:
- Sat May 28 01:08:01 2011 +0000
- Commit message:
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 |
diff -r 000000000000 -r 32b3a9352bd2 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat May 28 01:08:01 2011 +0000
@@ -0,0 +1,22 @@
+#include "mbed.h"
+
+/* ADC for the microphone/input, DAC for the speaker/output */
+AnalogIn mic(p19);
+AnalogOut speaker(p18);
+
+#define NUM_SAMPLES 15000
+unsigned short buffer[NUM_SAMPLES];
+
+int main()
+{
+ int i;
+ for (i = 0; ; ) // infinite loop
+ {
+ /* read mike */
+ buffer[i] = mic.read_u16();
+ /* Write to speaker */
+ speaker.write_u16(buffer[i]);
+ /* Increment index and wrap around */
+ i = (i+1) % NUM_SAMPLES;
+ }
+}
\ No newline at end of file
diff -r 000000000000 -r 32b3a9352bd2 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sat May 28 01:08:01 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/e2ac27c8e93e