sp
SAI_InOut.cpp@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?
User | Revision | Line number | New contents of line |
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phungductung | 0:f255629eada1 | 1 | //----------------------------------------------------------- |
phungductung | 0:f255629eada1 | 2 | // SaiIO class |
phungductung | 0:f255629eada1 | 3 | // 2017/03/16, Copyright (c) 2017 MIKAMI, Naoki |
phungductung | 0:f255629eada1 | 4 | //----------------------------------------------------------- |
phungductung | 0:f255629eada1 | 5 | |
phungductung | 0:f255629eada1 | 6 | #include "SAI_InOut.hpp" |
phungductung | 0:f255629eada1 | 7 | |
phungductung | 0:f255629eada1 | 8 | namespace Mikami |
phungductung | 0:f255629eada1 | 9 | { |
phungductung | 0:f255629eada1 | 10 | // Constructor |
phungductung | 0:f255629eada1 | 11 | SaiIO::SaiIO(InOutBoth ioBoth, int size, int fs, |
phungductung | 0:f255629eada1 | 12 | uint16_t inputDevice) |
phungductung | 0:f255629eada1 | 13 | : FS_(fs), IOBOTH_(ioBoth) |
phungductung | 0:f255629eada1 | 14 | { |
phungductung | 0:f255629eada1 | 15 | nData_ = size; |
phungductung | 0:f255629eada1 | 16 | bufferSize_ = (size*2)*2; |
phungductung | 0:f255629eada1 | 17 | |
phungductung | 0:f255629eada1 | 18 | if (ioBoth != OUTPUT) |
phungductung | 0:f255629eada1 | 19 | { |
phungductung | 0:f255629eada1 | 20 | inBuffer_.SetSize((size*2)*2); |
phungductung | 0:f255629eada1 | 21 | inOffset_ = 0; |
phungductung | 0:f255629eada1 | 22 | captured_ = false; |
phungductung | 0:f255629eada1 | 23 | } |
phungductung | 0:f255629eada1 | 24 | if (ioBoth != INPUT) |
phungductung | 0:f255629eada1 | 25 | { |
phungductung | 0:f255629eada1 | 26 | outBuffer_.SetSize((size*2)*2); |
phungductung | 0:f255629eada1 | 27 | tmp_.SetSize(size*2); |
phungductung | 0:f255629eada1 | 28 | tmpIndex_ = 0; |
phungductung | 0:f255629eada1 | 29 | xferred_ = false; |
phungductung | 0:f255629eada1 | 30 | ClearBuffer(); |
phungductung | 0:f255629eada1 | 31 | } |
phungductung | 0:f255629eada1 | 32 | InitCodec(inputDevice); |
phungductung | 0:f255629eada1 | 33 | } |
phungductung | 0:f255629eada1 | 34 | |
phungductung | 0:f255629eada1 | 35 | // Input start |
phungductung | 0:f255629eada1 | 36 | void SaiIO::RecordIn() |
phungductung | 0:f255629eada1 | 37 | { |
phungductung | 0:f255629eada1 | 38 | if (BSP_AUDIO_IN_Record(inBuffer_, bufferSize_) == AUDIO_ERROR) |
phungductung | 0:f255629eada1 | 39 | ErrorTrap(); |
phungductung | 0:f255629eada1 | 40 | } |
phungductung | 0:f255629eada1 | 41 | |
phungductung | 0:f255629eada1 | 42 | // Switching input device and run |
phungductung | 0:f255629eada1 | 43 | void SaiIO::SwitchInputDevice(int sw) |
phungductung | 0:f255629eada1 | 44 | { |
phungductung | 0:f255629eada1 | 45 | uint16_t dev = (sw == 0) ? |
phungductung | 0:f255629eada1 | 46 | INPUT_DEVICE_DIGITAL_MICROPHONE_2 |
phungductung | 0:f255629eada1 | 47 | : INPUT_DEVICE_INPUT_LINE_1; |
phungductung | 0:f255629eada1 | 48 | InitInput(dev); |
phungductung | 0:f255629eada1 | 49 | ClearBuffer(); |
phungductung | 0:f255629eada1 | 50 | RecordIn(); |
phungductung | 0:f255629eada1 | 51 | if (IOBOTH_ == BOTH) PlayOut(); |
phungductung | 0:f255629eada1 | 52 | } |
phungductung | 0:f255629eada1 | 53 | |
phungductung | 0:f255629eada1 | 54 | // If captured, return true |
phungductung | 0:f255629eada1 | 55 | bool SaiIO::IsCaptured() |
phungductung | 0:f255629eada1 | 56 | { |
phungductung | 0:f255629eada1 | 57 | if (!captured_) return false; |
phungductung | 0:f255629eada1 | 58 | |
phungductung | 0:f255629eada1 | 59 | inIndex_ = inOffset_; |
phungductung | 0:f255629eada1 | 60 | captured_ = false; |
phungductung | 0:f255629eada1 | 61 | return true; |
phungductung | 0:f255629eada1 | 62 | } |
phungductung | 0:f255629eada1 | 63 | |
phungductung | 0:f255629eada1 | 64 | void SaiIO::PlayOut() |
phungductung | 0:f255629eada1 | 65 | { |
phungductung | 0:f255629eada1 | 66 | ClearBuffer(); |
phungductung | 0:f255629eada1 | 67 | BSP_AUDIO_OUT_SetAudioFrameSlot(CODEC_AUDIOFRAME_SLOT_02); |
phungductung | 0:f255629eada1 | 68 | if (BSP_AUDIO_OUT_Play(outBuffer_, bufferSize_*AUDIODATA_SIZE) |
phungductung | 0:f255629eada1 | 69 | == AUDIO_ERROR) |
phungductung | 0:f255629eada1 | 70 | ErrorTrap(); |
phungductung | 0:f255629eada1 | 71 | } |
phungductung | 0:f255629eada1 | 72 | |
phungductung | 0:f255629eada1 | 73 | // Return true if transfer completion to output |
phungductung | 0:f255629eada1 | 74 | bool SaiIO::IsXferred() |
phungductung | 0:f255629eada1 | 75 | { |
phungductung | 0:f255629eada1 | 76 | if (!xferred_) return false; |
phungductung | 0:f255629eada1 | 77 | |
phungductung | 0:f255629eada1 | 78 | tmpIndex_ = 0; |
phungductung | 0:f255629eada1 | 79 | xferred_ = false; |
phungductung | 0:f255629eada1 | 80 | return true; |
phungductung | 0:f255629eada1 | 81 | } |
phungductung | 0:f255629eada1 | 82 | |
phungductung | 0:f255629eada1 | 83 | void SaiIO::Output(int16_t xL, int16_t xR) |
phungductung | 0:f255629eada1 | 84 | { |
phungductung | 0:f255629eada1 | 85 | tmp_[tmpIndex_++] = xL; // Left |
phungductung | 0:f255629eada1 | 86 | tmp_[tmpIndex_++] = xR; // Right |
phungductung | 0:f255629eada1 | 87 | } |
phungductung | 0:f255629eada1 | 88 | |
phungductung | 0:f255629eada1 | 89 | void SaiIO::ErrorTrap() |
phungductung | 0:f255629eada1 | 90 | { |
phungductung | 0:f255629eada1 | 91 | DigitalOut led1(LED1); |
phungductung | 0:f255629eada1 | 92 | fprintf(stderr, "\r\n#### ERROR ####\r\n"); |
phungductung | 0:f255629eada1 | 93 | while(true) |
phungductung | 0:f255629eada1 | 94 | { |
phungductung | 0:f255629eada1 | 95 | led1 = !led1; |
phungductung | 0:f255629eada1 | 96 | wait_ms(250); |
phungductung | 0:f255629eada1 | 97 | } |
phungductung | 0:f255629eada1 | 98 | } |
phungductung | 0:f255629eada1 | 99 | |
phungductung | 0:f255629eada1 | 100 | // Initialize audio input and output |
phungductung | 0:f255629eada1 | 101 | void SaiIO::InitCodec(uint16_t inputDevice) |
phungductung | 0:f255629eada1 | 102 | { |
phungductung | 0:f255629eada1 | 103 | if (inputDevice != 0) InitInput(inputDevice); |
phungductung | 0:f255629eada1 | 104 | |
phungductung | 0:f255629eada1 | 105 | if (IOBOTH_ == OUTPUT) |
phungductung | 0:f255629eada1 | 106 | if (BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_HEADPHONE, |
phungductung | 0:f255629eada1 | 107 | 100, FS_) == AUDIO_ERROR) |
phungductung | 0:f255629eada1 | 108 | ErrorTrap(); |
phungductung | 0:f255629eada1 | 109 | |
phungductung | 0:f255629eada1 | 110 | if (IOBOTH_ != OUTPUT) SetInput(); |
phungductung | 0:f255629eada1 | 111 | if (IOBOTH_ != INPUT) SetOutput(); |
phungductung | 0:f255629eada1 | 112 | } |
phungductung | 0:f255629eada1 | 113 | |
phungductung | 0:f255629eada1 | 114 | void SaiIO::InitInput(uint16_t inputDevice) |
phungductung | 0:f255629eada1 | 115 | { |
phungductung | 0:f255629eada1 | 116 | int audioInVolume = (inputDevice == INPUT_DEVICE_INPUT_LINE_1) ? |
phungductung | 0:f255629eada1 | 117 | 70 : 90; |
phungductung | 0:f255629eada1 | 118 | InputFp = (inputDevice == INPUT_DEVICE_INPUT_LINE_1) ? |
phungductung | 0:f255629eada1 | 119 | &SaiIO::InputNormal : &SaiIO::InputReversal; |
phungductung | 0:f255629eada1 | 120 | |
phungductung | 0:f255629eada1 | 121 | if (IOBOTH_ == BOTH) |
phungductung | 0:f255629eada1 | 122 | if (BSP_AUDIO_IN_OUT_Init(inputDevice, OUTPUT_DEVICE_HEADPHONE, |
phungductung | 0:f255629eada1 | 123 | audioInVolume, FS_) == AUDIO_ERROR) |
phungductung | 0:f255629eada1 | 124 | ErrorTrap(); |
phungductung | 0:f255629eada1 | 125 | |
phungductung | 0:f255629eada1 | 126 | if (IOBOTH_ == INPUT) |
phungductung | 0:f255629eada1 | 127 | if (BSP_AUDIO_IN_Init(inputDevice, |
phungductung | 0:f255629eada1 | 128 | audioInVolume, FS_) == AUDIO_ERROR) |
phungductung | 0:f255629eada1 | 129 | ErrorTrap(); |
phungductung | 0:f255629eada1 | 130 | } |
phungductung | 0:f255629eada1 | 131 | |
phungductung | 0:f255629eada1 | 132 | void SaiIO::SetInput() |
phungductung | 0:f255629eada1 | 133 | { |
phungductung | 0:f255629eada1 | 134 | NVIC_SetVector(AUDIO_IN_SAIx_DMAx_IRQ, |
phungductung | 0:f255629eada1 | 135 | (uint32_t)AUDIO_IN_SAIx_DMAx_IRQHandler); |
phungductung | 0:f255629eada1 | 136 | } |
phungductung | 0:f255629eada1 | 137 | |
phungductung | 0:f255629eada1 | 138 | void SaiIO::SetOutput() |
phungductung | 0:f255629eada1 | 139 | { |
phungductung | 0:f255629eada1 | 140 | NVIC_SetVector(AUDIO_OUT_SAIx_DMAx_IRQ, |
phungductung | 0:f255629eada1 | 141 | (uint32_t)AUDIO_OUT_SAIx_DMAx_IRQHandler); |
phungductung | 0:f255629eada1 | 142 | BSP_AUDIO_OUT_SetAudioFrameSlot(CODEC_AUDIOFRAME_SLOT_02); |
phungductung | 0:f255629eada1 | 143 | } |
phungductung | 0:f255629eada1 | 144 | |
phungductung | 0:f255629eada1 | 145 | void SaiIO::ClearBuffer() |
phungductung | 0:f255629eada1 | 146 | { |
phungductung | 0:f255629eada1 | 147 | if (IOBOTH_ != OUTPUT) |
phungductung | 0:f255629eada1 | 148 | for (int n=0; n<bufferSize_; n++) inBuffer_[n] = 0; |
phungductung | 0:f255629eada1 | 149 | for (int n=0; n<bufferSize_; n++) outBuffer_[n] = 0; |
phungductung | 0:f255629eada1 | 150 | for (int n=0; n<nData_*2; n++) tmp_[n] = 0; |
phungductung | 0:f255629eada1 | 151 | } |
phungductung | 0:f255629eada1 | 152 | |
phungductung | 0:f255629eada1 | 153 | // For line input |
phungductung | 0:f255629eada1 | 154 | void SaiIO::InputNormal(int16_t &xL, int16_t &xR) |
phungductung | 0:f255629eada1 | 155 | { |
phungductung | 0:f255629eada1 | 156 | xL = inBuffer_[inIndex_++]; |
phungductung | 0:f255629eada1 | 157 | xR = inBuffer_[inIndex_++]; |
phungductung | 0:f255629eada1 | 158 | } |
phungductung | 0:f255629eada1 | 159 | |
phungductung | 0:f255629eada1 | 160 | // For MEMS microphone input |
phungductung | 0:f255629eada1 | 161 | void SaiIO::InputReversal(int16_t &xL, int16_t &xR) |
phungductung | 0:f255629eada1 | 162 | { |
phungductung | 0:f255629eada1 | 163 | xR = inBuffer_[inIndex_++]; |
phungductung | 0:f255629eada1 | 164 | xL = inBuffer_[inIndex_++]; |
phungductung | 0:f255629eada1 | 165 | } |
phungductung | 0:f255629eada1 | 166 | |
phungductung | 0:f255629eada1 | 167 | void SaiIO::Captured(int32_t offset) |
phungductung | 0:f255629eada1 | 168 | { |
phungductung | 0:f255629eada1 | 169 | captured_ = true; |
phungductung | 0:f255629eada1 | 170 | inOffset_ = offset; |
phungductung | 0:f255629eada1 | 171 | } |
phungductung | 0:f255629eada1 | 172 | |
phungductung | 0:f255629eada1 | 173 | void SaiIO::FillBuffer(uint32_t offset) |
phungductung | 0:f255629eada1 | 174 | { |
phungductung | 0:f255629eada1 | 175 | int k = offset; |
phungductung | 0:f255629eada1 | 176 | for (int n=0; n<nData_*2; n++) |
phungductung | 0:f255629eada1 | 177 | outBuffer_[k++] = tmp_[n]; |
phungductung | 0:f255629eada1 | 178 | xferred_ = true; |
phungductung | 0:f255629eada1 | 179 | } |
phungductung | 0:f255629eada1 | 180 | |
phungductung | 0:f255629eada1 | 181 | int32_t SaiIO::nData_; |
phungductung | 0:f255629eada1 | 182 | int32_t SaiIO::bufferSize_; |
phungductung | 0:f255629eada1 | 183 | |
phungductung | 0:f255629eada1 | 184 | __IO bool SaiIO::captured_; |
phungductung | 0:f255629eada1 | 185 | __IO int32_t SaiIO::inOffset_; |
phungductung | 0:f255629eada1 | 186 | |
phungductung | 0:f255629eada1 | 187 | Array<uint16_t> SaiIO::outBuffer_; |
phungductung | 0:f255629eada1 | 188 | Array<uint16_t> SaiIO::tmp_; |
phungductung | 0:f255629eada1 | 189 | __IO bool SaiIO::xferred_; |
phungductung | 0:f255629eada1 | 190 | } |