michael hollegha
TalkThrough Demo for TLV320HL
Diff: TalkThrough.cpp
- Revision:
- 0:78b884c496bc
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/TalkThrough.cpp Wed Oct 22 09:26:39 2014 +0000
@@ -0,0 +1,35 @@
+#include "mbed.h"
+#include "TLV320HL.h"
+
+const float F_SAMPLE = 32000.0;
+const float F_SAMPLE_IST = 31251;
+
+// tx_sda tx_ws clk rx_sda rx_ws
+I2SSlave i2s(p5, p6, p7, p8, p29);
+// sda scl addr
+TLV320 tlv(p9, p10, 52, &i2s);
+
+void I2S_ISR();
+
+int main()
+{
+ tlv.Init(F_SAMPLE);
+ i2s.attach(&I2S_ISR);
+ i2s.Start();
+ while(1) {
+ }
+}
+
+void I2S_ISR()
+{
+ int32_t left, right;
+ // for(int i=1; i<=1; i++) 32kHz ISR-Load
+ // for(int i=1; i<=8; i++) 4kHz ISR-Load
+ for(int i=1; i<=8; i++) {
+ i2s.Read(&left, &right);
+ // Do DSP
+ i2s.Write(left, left);
+ }
+}
+
+