不韋 呂 / F746_SAI_IO

SAI_IO class for using CODEC (MW8994) as analog input and output. このライブラリを登録した際のプログラム：「F746_AudioIO_Demo」

Dependencies:   Array_Matrix

Dependents:   F746_SD_WavPlayer F746_SD_GraphicEqualizer_ren0620 Joerg_turbo_ede CW_Decoder_using_FFT_on_DiscoF746NG ... more

Diff: SAI_InOut.hpp

Revision:
5:20cc265d7aec
Parent:
4:2170289dfe94
Child:
9:25a9655d6a0e
--- a/SAI_InOut.hpp	Wed Jun 15 12:53:20 2016 +0000
+++ b/SAI_InOut.hpp	Sat Jul 23 06:13:40 2016 +0000
@@ -1,6 +1,6 @@
 //-----------------------------------------------------------
 //  SiaIO class (Header)
-//  2016/06/16, Copyright (c) 2016 MIKAMI, Naoki
+//  2016/07/23, Copyright (c) 2016 MIKAMI, Naoki
 //-----------------------------------------------------------
 
 #ifndef F746_SAI_IO_HPP
@@ -10,6 +10,7 @@
 #include "stm32746g_discovery_audio.h"
 #include "BSP_AudioIn_Overwrite.hpp"
 #include "BSP_AudioOut_Overwrite.hpp"
+#include "Array.hpp"
 
 namespace Mikami
 {
@@ -25,7 +26,7 @@
         //      inputDevice == 0 : not use input device
         SaiIO(InOutBoth ioBoth, int size, int fs,
               uint16_t inputDevice = 0);
-        ~SaiIO();
+        virtual ~SaiIO() {}
  
         int32_t GetLength() { return nData_; }
         
@@ -36,7 +37,9 @@
 
         bool IsCaptured();
         void ResetCaptured() { captured_ = false; }
-        void Input(int16_t &xL, int16_t &xR);
+        // Input using SAI
+        void Input(int16_t &xL, int16_t &xR)
+        {   (this->*InputFp)(xL, xR); }
 
         void StopIn()   { BSP_AUDIO_IN_Stop(CODEC_PDWN_SW); }
         void PauseIn()  { BSP_AUDIO_IN_Pause(); }
@@ -45,6 +48,7 @@
         void PlayOut();
         bool IsXferred();
         void ResetXferred() { xferred_ = false; }
+        // Output using SAI
         void Output(int16_t xL, int16_t xR);
       
         void StopOut()   { BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW); }
@@ -76,9 +80,9 @@
         const int FS_;
         const InOutBoth IOBOTH_; 
 
-        int16_t* inBuffer_;
-        static int16_t* outBuffer_;
-        static int16_t* tmp_;       
+        Array<int16_t> inBuffer_;
+        static Array<int16_t> outBuffer_;
+        static Array<int16_t> tmp_;       
         __IO int32_t inIndex_;
         __IO int32_t tmpIndex_;
 
@@ -88,13 +92,20 @@
         static __IO int32_t inOffset_;
         static __IO bool xferred_;
 
-
         void InitCodec(uint16_t inputDevice);
         void InitInput(uint16_t inputDevice);
         void SetInput();
         void SetOutput();
         void ClearBuffer();
 
+        // This function pointer is assigned by
+        // InputNormal() or InputReversal()
+        void (SaiIO::*InputFp)(int16_t &, int16_t &);
+        // For line input
+        void InputNormal(int16_t &xL, int16_t &xR);
+        // For MEMS microphone input
+        void InputReversal(int16_t &xL, int16_t &xR);
+        
         static void Captured(int32_t offset);
         static void FillBuffer(uint32_t offset);
     };