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

SAI_InOut.cpp@2:1aef7b703249, 2016-05-09 (annotated)

Committer:
MikamiUitOpen
Date:
Mon May 09 13:31:36 2016 +0000
Revision:
2:1aef7b703249
Parent:
1:48ed86c8430a
Child:
3:3bfdd8be834f
3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:eade5d3ae0eb 1 //-----------------------------------------------------------
MikamiUitOpen 0:eade5d3ae0eb 2 // SiaIO class
MikamiUitOpen 1:48ed86c8430a 3 // 2016/05/09, Copyright (c) 2016 MIKAMI, Naoki
MikamiUitOpen 0:eade5d3ae0eb 4 //-----------------------------------------------------------
MikamiUitOpen 0:eade5d3ae0eb 5
MikamiUitOpen 0:eade5d3ae0eb 6 #include "SAI_InOut.hpp"
MikamiUitOpen 0:eade5d3ae0eb 7 #include "MyBSP_AUDIO_IN_OUT_Init.hpp"
MikamiUitOpen 0:eade5d3ae0eb 8
MikamiUitOpen 0:eade5d3ae0eb 9 namespace Mikami
MikamiUitOpen 0:eade5d3ae0eb 10 {
MikamiUitOpen 0:eade5d3ae0eb 11 // Constructor
MikamiUitOpen 0:eade5d3ae0eb 12 SaiIO::SaiIO(InOutBoth ioBoth, int size, int fs,
MikamiUitOpen 0:eade5d3ae0eb 13 uint16_t inputDevice)
MikamiUitOpen 0:eade5d3ae0eb 14 : FS_(fs), IOBOTH_(ioBoth)
MikamiUitOpen 0:eade5d3ae0eb 15 {
MikamiUitOpen 0:eade5d3ae0eb 16 nData_ = size;
MikamiUitOpen 0:eade5d3ae0eb 17 bufferSize_ = (size*2)*2;
MikamiUitOpen 0:eade5d3ae0eb 18
MikamiUitOpen 0:eade5d3ae0eb 19 if (ioBoth != OUTPUT)
MikamiUitOpen 0:eade5d3ae0eb 20 {
MikamiUitOpen 0:eade5d3ae0eb 21 inBuffer_ = new int16_t[(size*2)*2];
MikamiUitOpen 0:eade5d3ae0eb 22 inOffset_ = 0;
MikamiUitOpen 0:eade5d3ae0eb 23 captured_ = false;
MikamiUitOpen 0:eade5d3ae0eb 24 }
MikamiUitOpen 2:1aef7b703249 25 if (ioBoth != INPUT)
MikamiUitOpen 2:1aef7b703249 26 {
MikamiUitOpen 2:1aef7b703249 27 outBuffer_ = new int16_t[(size*2)*2];
MikamiUitOpen 2:1aef7b703249 28 tmp_ = new int16_t[size*2];
MikamiUitOpen 2:1aef7b703249 29 tmpIndex_ = 0;
MikamiUitOpen 2:1aef7b703249 30 xferred_ = false;
MikamiUitOpen 2:1aef7b703249 31 ClearBuffer();
MikamiUitOpen 2:1aef7b703249 32 }
MikamiUitOpen 0:eade5d3ae0eb 33 InitCodec(inputDevice);
MikamiUitOpen 0:eade5d3ae0eb 34 }
MikamiUitOpen 0:eade5d3ae0eb 35
MikamiUitOpen 0:eade5d3ae0eb 36 SaiIO::~SaiIO()
MikamiUitOpen 0:eade5d3ae0eb 37 {
MikamiUitOpen 0:eade5d3ae0eb 38 delete[] tmp_;
MikamiUitOpen 0:eade5d3ae0eb 39 delete[] outBuffer_;
MikamiUitOpen 0:eade5d3ae0eb 40 if (IOBOTH_ != OUTPUT) delete[] inBuffer_;
MikamiUitOpen 0:eade5d3ae0eb 41 }
MikamiUitOpen 0:eade5d3ae0eb 42
MikamiUitOpen 2:1aef7b703249 43 // Input start
MikamiUitOpen 2:1aef7b703249 44 void SaiIO::RecordIn()
MikamiUitOpen 0:eade5d3ae0eb 45 {
MikamiUitOpen 2:1aef7b703249 46 if (BSP_AUDIO_IN_Record((uint16_t*)inBuffer_,
MikamiUitOpen 2:1aef7b703249 47 bufferSize_) == AUDIO_ERROR)
MikamiUitOpen 2:1aef7b703249 48 ErrorTrap();
MikamiUitOpen 0:eade5d3ae0eb 49 }
MikamiUitOpen 0:eade5d3ae0eb 50
MikamiUitOpen 0:eade5d3ae0eb 51 // Switching input device and run
MikamiUitOpen 0:eade5d3ae0eb 52 void SaiIO::SwitchInputDevice(int sw)
MikamiUitOpen 0:eade5d3ae0eb 53 {
MikamiUitOpen 0:eade5d3ae0eb 54 uint16_t dev = (sw == 0) ?
MikamiUitOpen 0:eade5d3ae0eb 55 INPUT_DEVICE_DIGITAL_MICROPHONE_2
MikamiUitOpen 0:eade5d3ae0eb 56 : INPUT_DEVICE_INPUT_LINE_1;
MikamiUitOpen 0:eade5d3ae0eb 57 InitCodec(dev);
MikamiUitOpen 0:eade5d3ae0eb 58 }
MikamiUitOpen 0:eade5d3ae0eb 59
MikamiUitOpen 0:eade5d3ae0eb 60 // If captured, return true
MikamiUitOpen 0:eade5d3ae0eb 61 bool SaiIO::IsCaptured()
MikamiUitOpen 0:eade5d3ae0eb 62 {
MikamiUitOpen 0:eade5d3ae0eb 63 if (!captured_) return false;
MikamiUitOpen 0:eade5d3ae0eb 64
MikamiUitOpen 0:eade5d3ae0eb 65 inIndex_ = inOffset_;
MikamiUitOpen 0:eade5d3ae0eb 66 return true;
MikamiUitOpen 0:eade5d3ae0eb 67 }
MikamiUitOpen 0:eade5d3ae0eb 68
MikamiUitOpen 0:eade5d3ae0eb 69 // Input from input buffer
MikamiUitOpen 0:eade5d3ae0eb 70 void SaiIO::Input(int16_t &xL, int16_t &xR)
MikamiUitOpen 0:eade5d3ae0eb 71 {
MikamiUitOpen 0:eade5d3ae0eb 72 xL = inBuffer_[inIndex_++];
MikamiUitOpen 0:eade5d3ae0eb 73 xR = inBuffer_[inIndex_++];
MikamiUitOpen 0:eade5d3ae0eb 74 }
MikamiUitOpen 0:eade5d3ae0eb 75
MikamiUitOpen 1:48ed86c8430a 76 void SaiIO::PlayOut()
MikamiUitOpen 1:48ed86c8430a 77 {
MikamiUitOpen 2:1aef7b703249 78 ClearBuffer();
MikamiUitOpen 1:48ed86c8430a 79 if (BSP_AUDIO_OUT_Play((uint16_t *)outBuffer_,
MikamiUitOpen 1:48ed86c8430a 80 bufferSize_*AUDIODATA_SIZE) == AUDIO_ERROR)
MikamiUitOpen 1:48ed86c8430a 81 ErrorTrap();
MikamiUitOpen 1:48ed86c8430a 82 }
MikamiUitOpen 1:48ed86c8430a 83
MikamiUitOpen 0:eade5d3ae0eb 84 bool SaiIO::IsXferred()
MikamiUitOpen 0:eade5d3ae0eb 85 {
MikamiUitOpen 0:eade5d3ae0eb 86 if (!xferred_) return false;
MikamiUitOpen 0:eade5d3ae0eb 87
MikamiUitOpen 0:eade5d3ae0eb 88 tmpIndex_ = 0;
MikamiUitOpen 0:eade5d3ae0eb 89 return true;
MikamiUitOpen 0:eade5d3ae0eb 90 }
MikamiUitOpen 0:eade5d3ae0eb 91
MikamiUitOpen 0:eade5d3ae0eb 92 void SaiIO::Output(int16_t xL, int16_t xR)
MikamiUitOpen 0:eade5d3ae0eb 93 {
MikamiUitOpen 0:eade5d3ae0eb 94 tmp_[tmpIndex_++] = xL; // Left
MikamiUitOpen 0:eade5d3ae0eb 95 tmp_[tmpIndex_++] = xR; // Right
MikamiUitOpen 0:eade5d3ae0eb 96 }
MikamiUitOpen 0:eade5d3ae0eb 97
MikamiUitOpen 0:eade5d3ae0eb 98 void SaiIO::ErrorTrap()
MikamiUitOpen 0:eade5d3ae0eb 99 {
MikamiUitOpen 0:eade5d3ae0eb 100 DigitalOut led1(LED1);
MikamiUitOpen 0:eade5d3ae0eb 101 fprintf(stderr, "\r\n#### ERROR ####\r\n");
MikamiUitOpen 0:eade5d3ae0eb 102 while(true)
MikamiUitOpen 0:eade5d3ae0eb 103 {
MikamiUitOpen 0:eade5d3ae0eb 104 led1 = !led1;
MikamiUitOpen 0:eade5d3ae0eb 105 wait_ms(250);
MikamiUitOpen 0:eade5d3ae0eb 106 }
MikamiUitOpen 0:eade5d3ae0eb 107 }
MikamiUitOpen 0:eade5d3ae0eb 108
MikamiUitOpen 0:eade5d3ae0eb 109 // Initialize audio input and output
MikamiUitOpen 0:eade5d3ae0eb 110 void SaiIO::InitCodec(uint16_t inputDevice)
MikamiUitOpen 0:eade5d3ae0eb 111 {
MikamiUitOpen 0:eade5d3ae0eb 112 int audioInVolume = 0;
MikamiUitOpen 0:eade5d3ae0eb 113 if (inputDevice != 0)
MikamiUitOpen 0:eade5d3ae0eb 114 audioInVolume = (inputDevice == INPUT_DEVICE_INPUT_LINE_1) ?
MikamiUitOpen 0:eade5d3ae0eb 115 60 : 100;
MikamiUitOpen 0:eade5d3ae0eb 116
MikamiUitOpen 0:eade5d3ae0eb 117 if (IOBOTH_ == BOTH)
MikamiUitOpen 0:eade5d3ae0eb 118 if (MyBSP_AUDIO_IN_OUT_Init(inputDevice, OUTPUT_DEVICE_HEADPHONE,
MikamiUitOpen 0:eade5d3ae0eb 119 audioInVolume, FS_) == AUDIO_ERROR)
MikamiUitOpen 0:eade5d3ae0eb 120 ErrorTrap();
MikamiUitOpen 0:eade5d3ae0eb 121
MikamiUitOpen 0:eade5d3ae0eb 122 if (IOBOTH_ == INPUT)
MikamiUitOpen 0:eade5d3ae0eb 123 if (BSP_AUDIO_IN_Init(inputDevice,
MikamiUitOpen 0:eade5d3ae0eb 124 audioInVolume, FS_) == AUDIO_ERROR)
MikamiUitOpen 0:eade5d3ae0eb 125 ErrorTrap();
MikamiUitOpen 0:eade5d3ae0eb 126
MikamiUitOpen 0:eade5d3ae0eb 127 if (IOBOTH_ == OUTPUT)
MikamiUitOpen 0:eade5d3ae0eb 128 if (BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_HEADPHONE,
MikamiUitOpen 0:eade5d3ae0eb 129 90, FS_) == AUDIO_ERROR)
MikamiUitOpen 0:eade5d3ae0eb 130 ErrorTrap();
MikamiUitOpen 0:eade5d3ae0eb 131
MikamiUitOpen 0:eade5d3ae0eb 132 if (IOBOTH_ != OUTPUT) InitInput();
MikamiUitOpen 0:eade5d3ae0eb 133 if (IOBOTH_ != INPUT) InitOutput();
MikamiUitOpen 0:eade5d3ae0eb 134 }
MikamiUitOpen 0:eade5d3ae0eb 135
MikamiUitOpen 0:eade5d3ae0eb 136 void SaiIO::InitInput()
MikamiUitOpen 0:eade5d3ae0eb 137 {
MikamiUitOpen 0:eade5d3ae0eb 138 NVIC_SetVector(AUDIO_IN_SAIx_DMAx_IRQ,
MikamiUitOpen 0:eade5d3ae0eb 139 (uint32_t)AUDIO_IN_SAIx_DMAx_IRQHandler);
MikamiUitOpen 0:eade5d3ae0eb 140 }
MikamiUitOpen 0:eade5d3ae0eb 141
MikamiUitOpen 0:eade5d3ae0eb 142 void SaiIO::InitOutput()
MikamiUitOpen 0:eade5d3ae0eb 143 {
MikamiUitOpen 0:eade5d3ae0eb 144 NVIC_SetVector(AUDIO_OUT_SAIx_DMAx_IRQ,
MikamiUitOpen 0:eade5d3ae0eb 145 (uint32_t)AUDIO_OUT_SAIx_DMAx_IRQHandler);
MikamiUitOpen 0:eade5d3ae0eb 146 BSP_AUDIO_OUT_SetAudioFrameSlot(CODEC_AUDIOFRAME_SLOT_02);
MikamiUitOpen 0:eade5d3ae0eb 147
MikamiUitOpen 0:eade5d3ae0eb 148 // Set output volume of headphone maximum
MikamiUitOpen 0:eade5d3ae0eb 149 // AUDIO_IO_Write() is defined in "stm32746g_discovery.c"
MikamiUitOpen 0:eade5d3ae0eb 150 // AUDIO_I2C_ADDRESS is defined in "stm32746g_discovery.h"
MikamiUitOpen 0:eade5d3ae0eb 151 AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x1C, 0x17F); // 0x1C: R28 of WM8994
MikamiUitOpen 0:eade5d3ae0eb 152 AUDIO_IO_Write(AUDIO_I2C_ADDRESS, 0x1D, 0x17F); // 0x1D: R29 of WM8994
MikamiUitOpen 0:eade5d3ae0eb 153 }
MikamiUitOpen 0:eade5d3ae0eb 154
MikamiUitOpen 0:eade5d3ae0eb 155 void SaiIO::ClearBuffer()
MikamiUitOpen 0:eade5d3ae0eb 156 {
MikamiUitOpen 0:eade5d3ae0eb 157 if (IOBOTH_ != OUTPUT)
MikamiUitOpen 0:eade5d3ae0eb 158 for (int n=0; n<bufferSize_; n++) inBuffer_[n] = 0;
MikamiUitOpen 0:eade5d3ae0eb 159 for (int n=0; n<bufferSize_; n++) outBuffer_[n] = 0;
MikamiUitOpen 0:eade5d3ae0eb 160 for (int n=0; n<nData_*2; n++) tmp_[n] = 0;
MikamiUitOpen 0:eade5d3ae0eb 161 }
MikamiUitOpen 0:eade5d3ae0eb 162
MikamiUitOpen 0:eade5d3ae0eb 163 void SaiIO::Captured(int32_t offset)
MikamiUitOpen 0:eade5d3ae0eb 164 {
MikamiUitOpen 0:eade5d3ae0eb 165 captured_ = true;
MikamiUitOpen 0:eade5d3ae0eb 166 inOffset_ = offset;
MikamiUitOpen 0:eade5d3ae0eb 167 }
MikamiUitOpen 0:eade5d3ae0eb 168
MikamiUitOpen 0:eade5d3ae0eb 169 void SaiIO::FillBuffer(uint32_t offset)
MikamiUitOpen 0:eade5d3ae0eb 170 {
MikamiUitOpen 0:eade5d3ae0eb 171 int k = offset;
MikamiUitOpen 0:eade5d3ae0eb 172 for (int n=0; n<nData_*2; n++)
MikamiUitOpen 0:eade5d3ae0eb 173 outBuffer_[k++] = tmp_[n];
MikamiUitOpen 0:eade5d3ae0eb 174 xferred_ = true;
MikamiUitOpen 0:eade5d3ae0eb 175 }
MikamiUitOpen 0:eade5d3ae0eb 176
MikamiUitOpen 0:eade5d3ae0eb 177 int32_t SaiIO::nData_;
MikamiUitOpen 0:eade5d3ae0eb 178 int32_t SaiIO::bufferSize_;
MikamiUitOpen 0:eade5d3ae0eb 179
MikamiUitOpen 0:eade5d3ae0eb 180 __IO bool SaiIO::captured_;
MikamiUitOpen 0:eade5d3ae0eb 181 __IO int32_t SaiIO::inOffset_;
MikamiUitOpen 0:eade5d3ae0eb 182
MikamiUitOpen 0:eade5d3ae0eb 183 int16_t* SaiIO::outBuffer_;
MikamiUitOpen 0:eade5d3ae0eb 184 int16_t* SaiIO::tmp_;
MikamiUitOpen 0:eade5d3ae0eb 185 __IO bool SaiIO::xferred_;
MikamiUitOpen 0:eade5d3ae0eb 186 }
MikamiUitOpen 2:1aef7b703249 187