不韋 呂 / Mbed 2 deprecated UITDSP_ADDA_Example

Example programs of AD and DA using classes in UITDSP_ADDA for ST Nucleo F401RE. UITDSP_ADDA に含まれるクラスを使った AD および DA のためのプログラムの例．ST Nucleo F401 用．

Dependencies:   UITDSP_ADDA mbed

main.cpp@2:7706df2df05a, 2015-03-17 (annotated)

Committer:
MikamiUitOpen
Date:
Tue Mar 17 00:00:16 2015 +0000
Revision:
2:7706df2df05a
Parent:
1:a5792f051953
Child:
3:d7128a3520ac
3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:230fb37e5561 1 //------------------------------------------------------------------------------
MikamiUitOpen 2:7706df2df05a 2 // "UITDSP_ADDA2" に含まれるライブラリの使用例
MikamiUitOpen 0:230fb37e5561 3 //
MikamiUitOpen 0:230fb37e5561 4 // アナログ入力
MikamiUitOpen 0:230fb37e5561 5 // A0: ライン
MikamiUitOpen 0:230fb37e5561 6 // A1: マイク
MikamiUitOpen 0:230fb37e5561 7 // A2: 可変抵抗器
MikamiUitOpen 0:230fb37e5561 8 //
MikamiUitOpen 2:7706df2df05a 9 // 2015/03/14, Copyright (c) 2015 MIKAMI, Naoki
MikamiUitOpen 0:230fb37e5561 10 //------------------------------------------------------------------------------
MikamiUitOpen 0:230fb37e5561 11
MikamiUitOpen 2:7706df2df05a 12 #include "ADC_BuiltIn.hpp" // かならず必要
MikamiUitOpen 0:230fb37e5561 13
MikamiUitOpen 0:230fb37e5561 14 // 以下の "#define" 文を一つだけ有効にし，他はコメントとすること
MikamiUitOpen 2:7706df2df05a 15 //#define POLLING_1_CHANNEL
MikamiUitOpen 0:230fb37e5561 16 //#define POLLING_SW_CHANNEL
MikamiUitOpen 0:230fb37e5561 17 //#define INTERRUPT_1_CHANNEL
MikamiUitOpen 0:230fb37e5561 18 //#define INTERRUPT_2_CHANNELS
MikamiUitOpen 2:7706df2df05a 19 #define POLLING_DA_2_CHANNELS
MikamiUitOpen 0:230fb37e5561 20
MikamiUitOpen 2:7706df2df05a 21 using namespace Mikami; //　かならず必要
MikamiUitOpen 0:230fb37e5561 22
MikamiUitOpen 0:230fb37e5561 23 //------------------------------------------------------------------------------
MikamiUitOpen 0:230fb37e5561 24 // 基本的な使い方：ポーリング，１チャンネル
MikamiUitOpen 0:230fb37e5561 25
MikamiUitOpen 0:230fb37e5561 26 #ifdef POLLING_1_CHANNEL
MikamiUitOpen 2:7706df2df05a 27 #include "DAC_MCP4922.hpp" // DAC MCP4922 用
MikamiUitOpen 0:230fb37e5561 28
MikamiUitOpen 2:7706df2df05a 29 const int FS_ = 10000; // 標本化周波数: 10 kHz
MikamiUitOpen 2:7706df2df05a 30 ADC_BuiltIn adc_(A0, FS_); // A0 からの入力を使うように設定
MikamiUitOpen 2:7706df2df05a 31 DAC_MCP4922 myDac_; // DAC を使うための設定
MikamiUitOpen 0:230fb37e5561 32
MikamiUitOpen 0:230fb37e5561 33 int main()
MikamiUitOpen 0:230fb37e5561 34 {
MikamiUitOpen 0:230fb37e5561 35 printf("\r\nPOLLING_1_CHANNEL\r\n");
MikamiUitOpen 2:7706df2df05a 36 myDac_.ScfClockTim3(420000); // 出力の LPF の遮断周波数を 4.2 kHz に設定
MikamiUitOpen 0:230fb37e5561 37
MikamiUitOpen 0:230fb37e5561 38 while (true)
MikamiUitOpen 0:230fb37e5561 39 {
MikamiUitOpen 0:230fb37e5561 40 float xn = adc_.Read(); // A0 からの入力信号を読み込む
MikamiUitOpen 0:230fb37e5561 41 //-----------------------------------------------
MikamiUitOpen 0:230fb37e5561 42 // この部分に信号処理のプログラムを記述する
MikamiUitOpen 0:230fb37e5561 43
MikamiUitOpen 0:230fb37e5561 44 float yn = xn; // 処理を行わず，そのまま出力する
MikamiUitOpen 0:230fb37e5561 45 //-----------------------------------------------
MikamiUitOpen 0:230fb37e5561 46 myDac_.Write(yn); // DAC へ出力する
MikamiUitOpen 0:230fb37e5561 47 }
MikamiUitOpen 0:230fb37e5561 48 }
MikamiUitOpen 0:230fb37e5561 49 #endif // POLLING_1_CHANNEL
MikamiUitOpen 0:230fb37e5561 50 //------------------------------------------------------------------------------
MikamiUitOpen 0:230fb37e5561 51
MikamiUitOpen 0:230fb37e5561 52 //------------------------------------------------------------------------------
MikamiUitOpen 0:230fb37e5561 53 // ポーリングで入力の切り替えを行う場合
MikamiUitOpen 0:230fb37e5561 54
MikamiUitOpen 0:230fb37e5561 55 #ifdef POLLING_SW_CHANNEL
MikamiUitOpen 2:7706df2df05a 56 #include "DAC_MCP4922.hpp"
MikamiUitOpen 0:230fb37e5561 57
MikamiUitOpen 2:7706df2df05a 58 const int FS_ = 10000; // Sampling frequency: 10 kHz
MikamiUitOpen 2:7706df2df05a 59 ADC_BuiltIn adc_(A0, FS_, A1); // for AD using channel A0 and A1
MikamiUitOpen 2:7706df2df05a 60 DAC_MCP4921 myDac_; // for DA
MikamiUitOpen 0:230fb37e5561 61
MikamiUitOpen 0:230fb37e5561 62 DigitalIn sw_(D2, PullDown);
MikamiUitOpen 0:230fb37e5561 63
MikamiUitOpen 0:230fb37e5561 64 int main()
MikamiUitOpen 0:230fb37e5561 65 {
MikamiUitOpen 0:230fb37e5561 66 printf("\r\nPOLLING_SW_CHANNEL\r\n");
MikamiUitOpen 0:230fb37e5561 67 myDac_.ScfClockTim3(420000); // cutoff frequency: 4.2 kHz
MikamiUitOpen 0:230fb37e5561 68
MikamiUitOpen 0:230fb37e5561 69 int swBefore = 0;
MikamiUitOpen 0:230fb37e5561 70 while (true)
MikamiUitOpen 0:230fb37e5561 71 {
MikamiUitOpen 1:a5792f051953 72 float xn = adc_.Read(); // Read from A0 or A1
MikamiUitOpen 0:230fb37e5561 73 //-----------------------------------------------
MikamiUitOpen 0:230fb37e5561 74 float yn = xn;
MikamiUitOpen 0:230fb37e5561 75 //-----------------------------------------------
MikamiUitOpen 0:230fb37e5561 76 myDac_.Write(yn); // Write to DAC
MikamiUitOpen 0:230fb37e5561 77
MikamiUitOpen 0:230fb37e5561 78 int swNow = sw_.read();
MikamiUitOpen 0:230fb37e5561 79 if (swNow != swBefore)
MikamiUitOpen 0:230fb37e5561 80 {
MikamiUitOpen 0:230fb37e5561 81 if (swNow == 0) adc_.Select1stChannel(); // line input
MikamiUitOpen 0:230fb37e5561 82 else adc_.Select2ndChannel(); // mic. input
MikamiUitOpen 0:230fb37e5561 83 swBefore = swNow;
MikamiUitOpen 0:230fb37e5561 84 }
MikamiUitOpen 0:230fb37e5561 85 }
MikamiUitOpen 0:230fb37e5561 86 }
MikamiUitOpen 0:230fb37e5561 87 #endif // POLLING_SW_CHANNEL
MikamiUitOpen 0:230fb37e5561 88 //------------------------------------------------------------------------------
MikamiUitOpen 0:230fb37e5561 89
MikamiUitOpen 0:230fb37e5561 90 //------------------------------------------------------------------------------
MikamiUitOpen 0:230fb37e5561 91 // ADC の EOC 割り込みを使う場合，入力：１チャンネル
MikamiUitOpen 0:230fb37e5561 92
MikamiUitOpen 0:230fb37e5561 93 #ifdef INTERRUPT_1_CHANNEL
MikamiUitOpen 0:230fb37e5561 94 #include "ADC_Interrupt.hpp" // for ADC not using ADC interrupt
MikamiUitOpen 0:230fb37e5561 95 #include "DAC_MCP4922.hpp"
MikamiUitOpen 0:230fb37e5561 96
MikamiUitOpen 2:7706df2df05a 97 const int FS_ = 10000; // Sampling frequency: 10 kHz
MikamiUitOpen 2:7706df2df05a 98 ADC_Intr adc_(A0, FS_); // for AD
MikamiUitOpen 2:7706df2df05a 99 DAC_MCP4922 myDac_; // for DA
MikamiUitOpen 0:230fb37e5561 100
MikamiUitOpen 0:230fb37e5561 101 // Interrupt service routine for ADC
MikamiUitOpen 0:230fb37e5561 102 void AdcIsr()
MikamiUitOpen 0:230fb37e5561 103 {
MikamiUitOpen 0:230fb37e5561 104 float xn = adc_.Read(); // Read from A0
MikamiUitOpen 0:230fb37e5561 105 myDac_.Write(xn); // to DAC
MikamiUitOpen 0:230fb37e5561 106 }
MikamiUitOpen 0:230fb37e5561 107
MikamiUitOpen 0:230fb37e5561 108 int main()
MikamiUitOpen 0:230fb37e5561 109 {
MikamiUitOpen 0:230fb37e5561 110 printf("\r\nINTERRUPT_1_CHANNEL\r\n");
MikamiUitOpen 0:230fb37e5561 111
MikamiUitOpen 0:230fb37e5561 112 myDac_.ScfClockTim3(420000); // cutoff frequency: 4.2 kHz
MikamiUitOpen 0:230fb37e5561 113
MikamiUitOpen 0:230fb37e5561 114 adc_.SetIntrVec(AdcIsr); // Assign ISR for ADC interrupt
MikamiUitOpen 0:230fb37e5561 115
MikamiUitOpen 0:230fb37e5561 116 while (true) {}
MikamiUitOpen 0:230fb37e5561 117 }
MikamiUitOpen 0:230fb37e5561 118 #endif // INTERRUPT_1_CHANNEL
MikamiUitOpen 0:230fb37e5561 119 //------------------------------------------------------------------------------
MikamiUitOpen 0:230fb37e5561 120
MikamiUitOpen 0:230fb37e5561 121 //------------------------------------------------------------------------------
MikamiUitOpen 0:230fb37e5561 122 //　ADC の EOC 割り込みを使う場合で，２チャンネル使う場合
MikamiUitOpen 0:230fb37e5561 123
MikamiUitOpen 0:230fb37e5561 124 #ifdef INTERRUPT_2_CHANNELS
MikamiUitOpen 0:230fb37e5561 125 #include "ADC_Interrupt.hpp" // for ADC not using ADC interrupt
MikamiUitOpen 0:230fb37e5561 126 #include "DAC_MCP4922.hpp"
MikamiUitOpen 0:230fb37e5561 127
MikamiUitOpen 0:230fb37e5561 128 // A0: Line input
MikamiUitOpen 0:230fb37e5561 129 // A1: Not used
MikamiUitOpen 0:230fb37e5561 130 // A2: VR (controls volume of output signal)
MikamiUitOpen 2:7706df2df05a 131 const int FS_ = 10000; // Sampling frequency: 10 kHz
MikamiUitOpen 2:7706df2df05a 132 ADC_Intr adc_(A0, FS_, A1, A2); // for AD
MikamiUitOpen 0:230fb37e5561 133 DAC_MCP4922 myDac_(DAC_MCP4922::DAC_A, D11, D13, D10, D12); // for DA
MikamiUitOpen 0:230fb37e5561 134
MikamiUitOpen 0:230fb37e5561 135 uint16_t a2_ = 0;
MikamiUitOpen 0:230fb37e5561 136 uint16_t a21_ = 0;
MikamiUitOpen 0:230fb37e5561 137 float vol_ = 1.0f;
MikamiUitOpen 0:230fb37e5561 138
MikamiUitOpen 0:230fb37e5561 139 // Interrupt service routine for ADC
MikamiUitOpen 0:230fb37e5561 140 void AdcIsr()
MikamiUitOpen 0:230fb37e5561 141 {
MikamiUitOpen 0:230fb37e5561 142 float xn = adc_.Read(); // Read from A0
MikamiUitOpen 0:230fb37e5561 143
MikamiUitOpen 0:230fb37e5561 144 adc_.Select3rdChannel(); // Enable A2
MikamiUitOpen 2:7706df2df05a 145 adc_.SoftStart(); // ADC start for A2 input
MikamiUitOpen 0:230fb37e5561 146
MikamiUitOpen 0:230fb37e5561 147 float yn = vol_*xn; // Volume control by VR
MikamiUitOpen 0:230fb37e5561 148 myDac_.Write(yn); // to DAC
MikamiUitOpen 0:230fb37e5561 149
MikamiUitOpen 0:230fb37e5561 150 // Read value which controls volume
MikamiUitOpen 0:230fb37e5561 151 a2_ = adc_.ReadWait_u16();
MikamiUitOpen 0:230fb37e5561 152
MikamiUitOpen 0:230fb37e5561 153 adc_.Select1stChannel(); // Enable A0
MikamiUitOpen 0:230fb37e5561 154 adc_.ClearPending_EnableIRQ(); // Clear pending interrupt
MikamiUitOpen 0:230fb37e5561 155 }
MikamiUitOpen 0:230fb37e5561 156
MikamiUitOpen 0:230fb37e5561 157 int main()
MikamiUitOpen 0:230fb37e5561 158 {
MikamiUitOpen 0:230fb37e5561 159 printf("\r\nINTERRUPT_2_CHANNELS\r\n");
MikamiUitOpen 0:230fb37e5561 160 myDac_.ScfClockTim3(420000); // cutoff frequency: 4.2 kHz
MikamiUitOpen 0:230fb37e5561 161
MikamiUitOpen 0:230fb37e5561 162 adc_.SetIntrVec(AdcIsr); // Assign ISR for ADC interrupt
MikamiUitOpen 0:230fb37e5561 163
MikamiUitOpen 0:230fb37e5561 164 while (true)
MikamiUitOpen 0:230fb37e5561 165 {
MikamiUitOpen 0:230fb37e5561 166 if (abs(a2_ - a21_) > 10)
MikamiUitOpen 0:230fb37e5561 167 {
MikamiUitOpen 0:230fb37e5561 168 vol_ = ((float)a2_)/4095.0f;
MikamiUitOpen 0:230fb37e5561 169 a21_ = a2_;
MikamiUitOpen 0:230fb37e5561 170 }
MikamiUitOpen 0:230fb37e5561 171 wait(0.1f);
MikamiUitOpen 0:230fb37e5561 172 }
MikamiUitOpen 0:230fb37e5561 173 }
MikamiUitOpen 0:230fb37e5561 174 #endif // INTERRUPT_2_CHANNEL
MikamiUitOpen 0:230fb37e5561 175 //------------------------------------------------------------------------------
MikamiUitOpen 0:230fb37e5561 176
MikamiUitOpen 0:230fb37e5561 177 //------------------------------------------------------------------------------
MikamiUitOpen 0:230fb37e5561 178 // DAC を２チャンネル出力で使う場合, 入力：ポーリング，１チャンネル
MikamiUitOpen 0:230fb37e5561 179
MikamiUitOpen 0:230fb37e5561 180 #ifdef POLLING_DA_2_CHANNELS
MikamiUitOpen 0:230fb37e5561 181 #include "DAC_MCP4922Dual.hpp"
MikamiUitOpen 0:230fb37e5561 182
MikamiUitOpen 2:7706df2df05a 183 const int FS_ = 10000; // Sampling frequency: 10 kHz
MikamiUitOpen 2:7706df2df05a 184 ADC_BuiltIn adc_(A0, FS_); // for AD
MikamiUitOpen 2:7706df2df05a 185 DAC_MCP4922Dual myDac_; // for DA of 2 channels
MikamiUitOpen 0:230fb37e5561 186
MikamiUitOpen 0:230fb37e5561 187 int main()
MikamiUitOpen 0:230fb37e5561 188 {
MikamiUitOpen 0:230fb37e5561 189 printf("\r\nPOLLING_DA_2_CHANNELS\r\n");
MikamiUitOpen 0:230fb37e5561 190
MikamiUitOpen 0:230fb37e5561 191 while (true)
MikamiUitOpen 0:230fb37e5561 192 {
MikamiUitOpen 0:230fb37e5561 193 float xn = adc_.Read(); // Read from A0
MikamiUitOpen 0:230fb37e5561 194 //-----------------------------------------------
MikamiUitOpen 0:230fb37e5561 195 float yn = xn;
MikamiUitOpen 0:230fb37e5561 196 //-----------------------------------------------
MikamiUitOpen 2:7706df2df05a 197 myDac_.Write(yn, -yn); // Write to DAC
MikamiUitOpen 0:230fb37e5561 198 }
MikamiUitOpen 0:230fb37e5561 199 }
MikamiUitOpen 0:230fb37e5561 200 #endif // POLLING_DA_2_CHANNEL
MikamiUitOpen 0:230fb37e5561 201 //------------------------------------------------------------------------------