nguyen nam / F746-SAI-IO

SPKT

Dependencies:   Array_Matrix

Dependents:   Player

SAI_InOut.hpp@0:f255629eada1, 2019-06-07 (annotated)

Committer:
phungductung
Date:
Fri Jun 07 05:10:10 2019 +0000
Revision:
0:f255629eada1
spkt; ;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
phungductung 0:f255629eada1 1 //-----------------------------------------------------------
phungductung 0:f255629eada1 2 // SaiIO class (Header)
phungductung 0:f255629eada1 3 // 2017/03/17, Copyright (c) 2017 MIKAMI, Naoki
phungductung 0:f255629eada1 4 //-----------------------------------------------------------
phungductung 0:f255629eada1 5
phungductung 0:f255629eada1 6 #ifndef F746_SAI_IO_HPP
phungductung 0:f255629eada1 7 #define F746_SAI_IO_HPP
phungductung 0:f255629eada1 8
phungductung 0:f255629eada1 9 #include "mbed.h"
phungductung 0:f255629eada1 10 #include "stm32746g_discovery_audio.h"
phungductung 0:f255629eada1 11 #include "BSP_AudioIn_Overwrite.hpp"
phungductung 0:f255629eada1 12 #include "BSP_AudioOut_Overwrite.hpp"
phungductung 0:f255629eada1 13 #include "Array.hpp"
phungductung 0:f255629eada1 14
phungductung 0:f255629eada1 15 namespace Mikami
phungductung 0:f255629eada1 16 {
phungductung 0:f255629eada1 17 class SaiIO
phungductung 0:f255629eada1 18 {
phungductung 0:f255629eada1 19 public:
phungductung 0:f255629eada1 20 enum InOutBoth { INPUT, // input only
phungductung 0:f255629eada1 21 OUTPUT, // output only
phungductung 0:f255629eada1 22 BOTH }; // input and output
phungductung 0:f255629eada1 23 // Constructor
phungductung 0:f255629eada1 24 // inputDevice: INPUT_DEVICE_DIGITAL_MICROPHONE_2 or
phungductung 0:f255629eada1 25 // INPUT_DEVICE_INPUT_LINE_1
phungductung 0:f255629eada1 26 // inputDevice == 0 : not use input device
phungductung 0:f255629eada1 27 SaiIO(InOutBoth ioBoth, int size, int fs,
phungductung 0:f255629eada1 28 uint16_t inputDevice = 0);
phungductung 0:f255629eada1 29 virtual ~SaiIO() {}
phungductung 0:f255629eada1 30
phungductung 0:f255629eada1 31 int32_t GetLength() { return nData_; }
phungductung 0:f255629eada1 32
phungductung 0:f255629eada1 33 void RecordIn();
phungductung 0:f255629eada1 34 // sw = 0: DIGITAL_MICROPHONE_2
phungductung 0:f255629eada1 35 // 1: LINE_1
phungductung 0:f255629eada1 36 void SwitchInputDevice(int sw);
phungductung 0:f255629eada1 37
phungductung 0:f255629eada1 38 bool IsCaptured();
phungductung 0:f255629eada1 39 // Input using SAI
phungductung 0:f255629eada1 40 void Input(int16_t &xL, int16_t &xR)
phungductung 0:f255629eada1 41 { (this->*InputFp)(xL, xR); }
phungductung 0:f255629eada1 42
phungductung 0:f255629eada1 43 void StopIn() { BSP_AUDIO_IN_Stop(CODEC_PDWN_SW); }
phungductung 0:f255629eada1 44 void PauseIn() { BSP_AUDIO_IN_Pause(); }
phungductung 0:f255629eada1 45 void ResumeIn() { BSP_AUDIO_IN_Resume(); }
phungductung 0:f255629eada1 46
phungductung 0:f255629eada1 47 void PlayOut();
phungductung 0:f255629eada1 48 bool IsXferred();
phungductung 0:f255629eada1 49 // Output using SAI
phungductung 0:f255629eada1 50 void Output(int16_t xL, int16_t xR);
phungductung 0:f255629eada1 51
phungductung 0:f255629eada1 52 void StopOut() { BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW); }
phungductung 0:f255629eada1 53 void PauseOut() { BSP_AUDIO_OUT_Pause(); }
phungductung 0:f255629eada1 54 void ResumeOut() { BSP_AUDIO_OUT_Resume(); }
phungductung 0:f255629eada1 55
phungductung 0:f255629eada1 56 // IF you use both input and output of SAI,
phungductung 0:f255629eada1 57 // you can use following function
phungductung 0:f255629eada1 58 bool IsCompleted()
phungductung 0:f255629eada1 59 { return IsCaptured() && IsXferred(); }
phungductung 0:f255629eada1 60
phungductung 0:f255629eada1 61 // Following two member functions are called from
phungductung 0:f255629eada1 62 // callback functions in "BSP_AudioIn_Overwrite.cpp"
phungductung 0:f255629eada1 63 static void Captured1st() { Captured(0); }
phungductung 0:f255629eada1 64 static void Captured2nd() { Captured(bufferSize_/2); }
phungductung 0:f255629eada1 65
phungductung 0:f255629eada1 66 // Following two member functions are called from
phungductung 0:f255629eada1 67 // callback functions in "BSP_AudioOut_Overwrite.cpp"
phungductung 0:f255629eada1 68 static void FillBuffer1st() { FillBuffer(0); }
phungductung 0:f255629eada1 69 static void FillBuffer2nd() { FillBuffer(bufferSize_/2); }
phungductung 0:f255629eada1 70
phungductung 0:f255629eada1 71 // Called form the functions in "BSP_AudioIn_Overwrite.cpp"
phungductung 0:f255629eada1 72 // and "BSP_AudioOut_Overwrite.cpp"
phungductung 0:f255629eada1 73 static void ErrorTrap();
phungductung 0:f255629eada1 74
phungductung 0:f255629eada1 75 private:
phungductung 0:f255629eada1 76 const int FS_;
phungductung 0:f255629eada1 77 const InOutBoth IOBOTH_;
phungductung 0:f255629eada1 78
phungductung 0:f255629eada1 79 Array<uint16_t> inBuffer_;
phungductung 0:f255629eada1 80 static Array<uint16_t> outBuffer_;
phungductung 0:f255629eada1 81 static Array<uint16_t> tmp_;
phungductung 0:f255629eada1 82
phungductung 0:f255629eada1 83 __IO int32_t inIndex_;
phungductung 0:f255629eada1 84 __IO int32_t tmpIndex_;
phungductung 0:f255629eada1 85
phungductung 0:f255629eada1 86 static int32_t nData_;
phungductung 0:f255629eada1 87 static int32_t bufferSize_;
phungductung 0:f255629eada1 88 static __IO bool captured_;
phungductung 0:f255629eada1 89 static __IO int32_t inOffset_;
phungductung 0:f255629eada1 90 static __IO bool xferred_;
phungductung 0:f255629eada1 91
phungductung 0:f255629eada1 92 void InitCodec(uint16_t inputDevice);
phungductung 0:f255629eada1 93 void InitInput(uint16_t inputDevice);
phungductung 0:f255629eada1 94 void SetInput();
phungductung 0:f255629eada1 95 void SetOutput();
phungductung 0:f255629eada1 96 void ClearBuffer();
phungductung 0:f255629eada1 97
phungductung 0:f255629eada1 98 // This function pointer is assigned by
phungductung 0:f255629eada1 99 // InputNormal() or InputReversal()
phungductung 0:f255629eada1 100 void (SaiIO::*InputFp)(int16_t &, int16_t &);
phungductung 0:f255629eada1 101 // For line input
phungductung 0:f255629eada1 102 void InputNormal(int16_t &xL, int16_t &xR);
phungductung 0:f255629eada1 103 // For MEMS microphone input
phungductung 0:f255629eada1 104 void InputReversal(int16_t &xL, int16_t &xR);
phungductung 0:f255629eada1 105
phungductung 0:f255629eada1 106 static void Captured(int32_t offset);
phungductung 0:f255629eada1 107 static void FillBuffer(uint32_t offset);
phungductung 0:f255629eada1 108 };
phungductung 0:f255629eada1 109 }
phungductung 0:f255629eada1 110 #endif // F746_SAI_IO_HPP