Rory Hand / Mbed 2 deprecated NotchingDemo

old demo that i want to try in mbed studio

Dependencies:   mbed SDFileSystem_Copy_of_mbed_version I2S

NotchingDemo.cpp@9:dd9cae06b202, 2019-03-17 (annotated)

Committer:
roryhand
Date:
Sun Mar 17 14:38:19 2019 +0000
Revision:
9:dd9cae06b202
Parent:
8:c2faf06e7240
Child:
10:ce38f2e9e80e
WIP  Having issues actually reading in anything about the file from Sound[aaa].FileInfo.WavFile...

Who changed what in which revision?

UserRevisionLine numberNew contents of line
roryhand 1:aac37edee302 1
roryhand 0:e89d7a0bfa3b 2 // 24/03/2018 update - I appear to be able to address the device and write something, as I am getting an ACK returned from the i2c write() function.
roryhand 0:e89d7a0bfa3b 3 //however if i use the write function with 4 arguments (as opposed to just 1 argument) then it doesnt work
roryhand 0:e89d7a0bfa3b 4 //only works with the 1 argument version!!!
roryhand 0:e89d7a0bfa3b 5
roryhand 0:e89d7a0bfa3b 6
roryhand 0:e89d7a0bfa3b 7 //THIS VERSION WORKED, CHANGED SOME THINGS, THEN CHANGED THEM BACK. NOW IT NO LONGER WORKS!!!!
roryhand 0:e89d7a0bfa3b 8 #include "mbed.h"
roryhand 0:e89d7a0bfa3b 9 #include "math.h"
roryhand 1:aac37edee302 10 #include "I2S.h"
roryhand 1:aac37edee302 11 #include "SDFileSystem.h"
roryhand 0:e89d7a0bfa3b 12 #include "wm8731_Config_setup.h"
roryhand 0:e89d7a0bfa3b 13 #include "WOLFSON_config_consts.h"
roryhand 0:e89d7a0bfa3b 14 #include <stdlib.h>
roryhand 0:e89d7a0bfa3b 15 #include <vector>
roryhand 0:e89d7a0bfa3b 16 #include <string>
roryhand 0:e89d7a0bfa3b 17 #define sample_freq 11025
roryhand 1:aac37edee302 18 #pragma import __use_two_region_memory
roryhand 0:e89d7a0bfa3b 19 DigitalOut myled(LED1);
roryhand 0:e89d7a0bfa3b 20 DigitalOut led2(LED2);
roryhand 0:e89d7a0bfa3b 21 DigitalOut led3(LED3);
roryhand 0:e89d7a0bfa3b 22 DigitalIn NotchUp(p16);
roryhand 0:e89d7a0bfa3b 23 InterruptIn Horn(p16);
roryhand 0:e89d7a0bfa3b 24 Ticker sampletick;
roryhand 0:e89d7a0bfa3b 25 Ticker BellTick;
roryhand 0:e89d7a0bfa3b 26 Ticker EdTick;
roryhand 0:e89d7a0bfa3b 27 Ticker TickFadeOut;
roryhand 3:6169aeeaeeb4 28 Ticker TestTick;
roryhand 0:e89d7a0bfa3b 29 Timer t;
roryhand 0:e89d7a0bfa3b 30 Timer t2;
roryhand 3:6169aeeaeeb4 31 Timer NotchTimer;
roryhand 0:e89d7a0bfa3b 32
roryhand 0:e89d7a0bfa3b 33 Serial pc(USBTX, USBRX); // tx, rx //FOR DEBUGGING PROGRAM USING GNU SCREEN
roryhand 0:e89d7a0bfa3b 34 DigitalOut cs(p8);
roryhand 0:e89d7a0bfa3b 35 I2S i2s(I2S_TRANSMIT, p5, p6, p7);
roryhand 0:e89d7a0bfa3b 36 SDFileSystem sd(p11, p12, p13, p8, "sd"); // the new pinout that i am using
roryhand 0:e89d7a0bfa3b 37
roryhand 0:e89d7a0bfa3b 38
roryhand 0:e89d7a0bfa3b 39 /*struct A {
roryhand 0:e89d7a0bfa3b 40 int data;
roryhand 0:e89d7a0bfa3b 41 B b;
roryhand 0:e89d7a0bfa3b 42 };*/
roryhand 0:e89d7a0bfa3b 43
roryhand 0:e89d7a0bfa3b 44
roryhand 0:e89d7a0bfa3b 45
roryhand 0:e89d7a0bfa3b 46
roryhand 0:e89d7a0bfa3b 47 class classFade
roryhand 0:e89d7a0bfa3b 48 {
roryhand 1:aac37edee302 49 public:
roryhand 1:aac37edee302 50
roryhand 0:e89d7a0bfa3b 51 float powerval;
roryhand 0:e89d7a0bfa3b 52 float FadeIteration;
roryhand 0:e89d7a0bfa3b 53 float DecayFactor;
roryhand 0:e89d7a0bfa3b 54 float Denom;
roryhand 0:e89d7a0bfa3b 55 float FadeCoeff;
roryhand 0:e89d7a0bfa3b 56 float Natural_Exp;
roryhand 0:e89d7a0bfa3b 57 int LengthSecs;
roryhand 0:e89d7a0bfa3b 58 int Length;
roryhand 1:aac37edee302 59
roryhand 0:e89d7a0bfa3b 60 //member Functions
roryhand 0:e89d7a0bfa3b 61 float FadeOut(void)
roryhand 0:e89d7a0bfa3b 62 {
roryhand 0:e89d7a0bfa3b 63 powerval = -FadeIteration/Denom;
roryhand 1:aac37edee302 64 if (FadeIteration >=Length) {
roryhand 1:aac37edee302 65 FadeCoeff = 0;
roryhand 1:aac37edee302 66
roryhand 1:aac37edee302 67 } else {
roryhand 0:e89d7a0bfa3b 68 FadeCoeff = (Length - FadeIteration)/Length;
roryhand 0:e89d7a0bfa3b 69 }
roryhand 1:aac37edee302 70 FadeIteration = FadeIteration + 1;
roryhand 1:aac37edee302 71 return FadeCoeff;
roryhand 1:aac37edee302 72
roryhand 1:aac37edee302 73 }
roryhand 1:aac37edee302 74 float FadeIn(void)
roryhand 0:e89d7a0bfa3b 75 {
roryhand 0:e89d7a0bfa3b 76 powerval = FadeIteration/Denom;
roryhand 1:aac37edee302 77 if (FadeIteration >=Length) {
roryhand 1:aac37edee302 78 FadeCoeff = 1;
roryhand 1:aac37edee302 79
roryhand 1:aac37edee302 80 } else {
roryhand 0:e89d7a0bfa3b 81 FadeCoeff = FadeIteration/Length;
roryhand 0:e89d7a0bfa3b 82 }
roryhand 0:e89d7a0bfa3b 83
roryhand 1:aac37edee302 84 FadeIteration = FadeIteration + 1;
roryhand 1:aac37edee302 85 return FadeCoeff;
roryhand 1:aac37edee302 86
roryhand 1:aac37edee302 87 }
roryhand 0:e89d7a0bfa3b 88 };
roryhand 0:e89d7a0bfa3b 89
roryhand 0:e89d7a0bfa3b 90 classFade IdleFadeOut;
roryhand 0:e89d7a0bfa3b 91 classFade N2FadeIn;
roryhand 0:e89d7a0bfa3b 92
roryhand 2:957d3b2afff4 93 classFade NotchFadeOut;
roryhand 2:957d3b2afff4 94 classFade NotchFadeIn;
roryhand 2:957d3b2afff4 95
roryhand 0:e89d7a0bfa3b 96
roryhand 0:e89d7a0bfa3b 97
roryhand 0:e89d7a0bfa3b 98
roryhand 0:e89d7a0bfa3b 99
roryhand 1:aac37edee302 100 typedef struct uFMT_STRUCT {
roryhand 1:aac37edee302 101 short comp_code;
roryhand 1:aac37edee302 102 short num_channels;
roryhand 1:aac37edee302 103 unsigned sample_rate;
roryhand 1:aac37edee302 104 unsigned avg_Bps;
roryhand 1:aac37edee302 105 short block_align;
roryhand 1:aac37edee302 106 short sig_bps;
roryhand 0:e89d7a0bfa3b 107 } FMT_STRUCT;
roryhand 0:e89d7a0bfa3b 108
roryhand 1:aac37edee302 109 typedef struct uNotch_STRUCT {
roryhand 1:aac37edee302 110 short Notch;
roryhand 1:aac37edee302 111 short NotchTransUp;
roryhand 1:aac37edee302 112 short NotchTransDown;
roryhand 1:aac37edee302 113 short NotchDirection;
roryhand 1:aac37edee302 114 } Notch_STRUCT;
roryhand 1:aac37edee302 115
roryhand 0:e89d7a0bfa3b 116 typedef struct uDATA_STRUCT {
roryhand 1:aac37edee302 117 unsigned subchunk2_ID;
roryhand 1:aac37edee302 118 unsigned subchunk2_size;
roryhand 1:aac37edee302 119 char * data_buf;
roryhand 1:aac37edee302 120 } DATA_STRUCT;
roryhand 0:e89d7a0bfa3b 121
roryhand 1:aac37edee302 122 typedef struct uWAV_FILE_STRUCT {
roryhand 1:aac37edee302 123 FILE *WavFile;
roryhand 1:aac37edee302 124 int id_number;
roryhand 1:aac37edee302 125 char *slice_buf;
roryhand 1:aac37edee302 126 int num_slices;
roryhand 1:aac37edee302 127 FMT_STRUCT FileFormat;
roryhand 1:aac37edee302 128 DATA_STRUCT FileData;
roryhand 0:e89d7a0bfa3b 129 } WAV_FILE_STRUCT;
roryhand 0:e89d7a0bfa3b 130
roryhand 0:e89d7a0bfa3b 131 /*typedef struct uWAV_FILE_STRUCT{
roryhand 1:aac37edee302 132 FILE* WavFile;
roryhand 1:aac37edee302 133
roryhand 1:aac37edee302 134
roryhand 0:e89d7a0bfa3b 135 }WAV_FILE_STRUCT;*/
roryhand 0:e89d7a0bfa3b 136 class classSoundFile
roryhand 0:e89d7a0bfa3b 137 {
roryhand 1:aac37edee302 138 public:
roryhand 1:aac37edee302 139
roryhand 1:aac37edee302 140 //add a class constructor
roryhand 1:aac37edee302 141 WAV_FILE_STRUCT FileInfo;
roryhand 2:957d3b2afff4 142 short * data_sptr;
roryhand 1:aac37edee302 143 //classSoundFile(string filename);//this is the constructor
roryhand 1:aac37edee302 144 //string filename;
roryhand 0:e89d7a0bfa3b 145 };
roryhand 0:e89d7a0bfa3b 146
roryhand 1:aac37edee302 147 //class constructor;
roryhand 1:aac37edee302 148 /*classSoundFile::classSoundFile(string filename)
roryhand 1:aac37edee302 149 {
roryhand 1:aac37edee302 150 //Declare RootFolder and the directory for the appropriate file.
roryhand 1:aac37edee302 151 //How we index into filename[] from the outside of this class is another
roryhand 1:aac37edee302 152 //issue...
roryhand 1:aac37edee302 153 FileInfo.WavFile = fopen("/sd/mydir/645Engine/Startup.wav","rb");
roryhand 1:aac37edee302 154 fseek(FileInfo.WavFile,20,SEEK_SET);
roryhand 1:aac37edee302 155 fread(&FileInfo.FileFormat,sizeof(FileInfo.FileFormat),1,FileInfo.WavFile);
roryhand 1:aac37edee302 156 printf("wav_format.sample_rate: %d\n\r",FileInfo.FileFormat.sample_rate);
roryhand 1:aac37edee302 157 fread(&FileInfo.FileData,sizeof(FileInfo.FileData),1,FileInfo.WavFile);
roryhand 1:aac37edee302 158 printf("wav_data.subchunk2_size: %d\n\r",FileInfo.FileData.subchunk2_size);
roryhand 1:aac37edee302 159 FileInfo.slice_buf = ( char *)malloc(FileInfo.FileFormat.block_align);
roryhand 1:aac37edee302 160 fread(FileInfo.slice_buf,FileInfo.FileFormat.block_align,1,FileInfo.WavFile); //This isnt actually required, its just a test
roryhand 1:aac37edee302 161 FileInfo.num_slices = FileInfo.FileData.subchunk2_size/FileInfo.FileFormat.block_align;
roryhand 1:aac37edee302 162 }*/
roryhand 1:aac37edee302 163
roryhand 0:e89d7a0bfa3b 164
roryhand 0:e89d7a0bfa3b 165 int i = 0;
roryhand 0:e89d7a0bfa3b 166 int h = 0;
roryhand 0:e89d7a0bfa3b 167 short bufflen = 1;
roryhand 0:e89d7a0bfa3b 168 int buffer[1];
roryhand 1:aac37edee302 169 int AudioFormat, NumChannels, SampleRate, BitsPerSample ;
roryhand 0:e89d7a0bfa3b 170 char *slice_buf;
roryhand 0:e89d7a0bfa3b 171 short *data_sptr;
roryhand 0:e89d7a0bfa3b 172 short *data_sptr_horn;
roryhand 0:e89d7a0bfa3b 173 short *data_sptr_IdleN2;
roryhand 0:e89d7a0bfa3b 174 short * data_sptr_bell;
roryhand 0:e89d7a0bfa3b 175 short * data_sptr_N2;
roryhand 0:e89d7a0bfa3b 176 short * data_sptr_Flange;
roryhand 0:e89d7a0bfa3b 177 unsigned char *data_bptr;
roryhand 0:e89d7a0bfa3b 178 int *data_wptr;
roryhand 0:e89d7a0bfa3b 179 unsigned channel;
roryhand 0:e89d7a0bfa3b 180 long slice, num_slices;
roryhand 0:e89d7a0bfa3b 181 int verbosity = 0;
roryhand 0:e89d7a0bfa3b 182 int verbosity2 = 0;
roryhand 0:e89d7a0bfa3b 183 int verbosity3 = 0;
roryhand 0:e89d7a0bfa3b 184 int verbosity4 = 0;
roryhand 0:e89d7a0bfa3b 185 int verbosity5 = 0;
roryhand 0:e89d7a0bfa3b 186 int interrupt_condition = 1;
roryhand 0:e89d7a0bfa3b 187 int sampling_freq = 11025;
roryhand 0:e89d7a0bfa3b 188 const int BufferLen = 2000;
roryhand 0:e89d7a0bfa3b 189 short Buffer1[BufferLen];
roryhand 0:e89d7a0bfa3b 190 short Buffer2[BufferLen];
roryhand 0:e89d7a0bfa3b 191 short place_hold1 = 0;
roryhand 0:e89d7a0bfa3b 192 short place_hold2 = 0;
roryhand 0:e89d7a0bfa3b 193
roryhand 3:6169aeeaeeb4 194
roryhand 3:6169aeeaeeb4 195 string FOLDER;
roryhand 3:6169aeeaeeb4 196 string RootFolder = "/sd/mydir/SoundDecoder/";
roryhand 3:6169aeeaeeb4 197 string filename[25];
roryhand 3:6169aeeaeeb4 198 classSoundFile Sound[22];
roryhand 3:6169aeeaeeb4 199
roryhand 0:e89d7a0bfa3b 200 volatile int flag1 = 1;
roryhand 0:e89d7a0bfa3b 201 volatile int flag2 = 0;
roryhand 0:e89d7a0bfa3b 202 volatile int flag3 = 1;
roryhand 0:e89d7a0bfa3b 203 volatile int flag4 = 0;
roryhand 0:e89d7a0bfa3b 204 int FLAGBUFF1 = 0;
roryhand 0:e89d7a0bfa3b 205 int FLAGBUFF2 = 0;
roryhand 0:e89d7a0bfa3b 206 int BellFlag = 0;
roryhand 0:e89d7a0bfa3b 207 int BellFlag2 = 0;
roryhand 0:e89d7a0bfa3b 208 int FadeFlag = 0;
roryhand 0:e89d7a0bfa3b 209 int DualEngineFlag = 0;
roryhand 0:e89d7a0bfa3b 210
roryhand 0:e89d7a0bfa3b 211
roryhand 0:e89d7a0bfa3b 212 short value[1];
roryhand 0:e89d7a0bfa3b 213 FILE *HornWav;
roryhand 0:e89d7a0bfa3b 214 FILE *edsheeran_wav;
roryhand 0:e89d7a0bfa3b 215 FILE *Startup_wav;
roryhand 0:e89d7a0bfa3b 216 FILE *IdleN2Wav;
roryhand 0:e89d7a0bfa3b 217 FILE *N2Wav;
roryhand 0:e89d7a0bfa3b 218 FILE *BellWav;
roryhand 0:e89d7a0bfa3b 219 FILE *FlangeWav;
roryhand 0:e89d7a0bfa3b 220 //long long slice_value;
roryhand 0:e89d7a0bfa3b 221 int slice_value[1];
roryhand 0:e89d7a0bfa3b 222
roryhand 0:e89d7a0bfa3b 223
roryhand 0:e89d7a0bfa3b 224 WAV_FILE_STRUCT WavInfo_Horn;
roryhand 0:e89d7a0bfa3b 225 WAV_FILE_STRUCT WavInfo_IdleN2;
roryhand 0:e89d7a0bfa3b 226 WAV_FILE_STRUCT WavInfo_N2;
roryhand 0:e89d7a0bfa3b 227 WAV_FILE_STRUCT WavInfo_Bell;
roryhand 0:e89d7a0bfa3b 228 WAV_FILE_STRUCT WavInfo_Flange;
roryhand 0:e89d7a0bfa3b 229 Ticker flipper;
roryhand 0:e89d7a0bfa3b 230 char * slice_buf_bell;
roryhand 0:e89d7a0bfa3b 231 char * slice_buf_ed;
roryhand 0:e89d7a0bfa3b 232 char * slice_buf_startup;
roryhand 0:e89d7a0bfa3b 233 char * slice_buf_N2;
roryhand 1:aac37edee302 234 Notch_STRUCT NotchingSet;
roryhand 0:e89d7a0bfa3b 235 //test
roryhand 0:e89d7a0bfa3b 236 //short *data_sptr_bell = 0;
roryhand 0:e89d7a0bfa3b 237 short *data_sptr_ed = 0;
roryhand 0:e89d7a0bfa3b 238 short *data_sptr_startup = 0;
roryhand 1:aac37edee302 239 void flip()
roryhand 1:aac37edee302 240 {
roryhand 0:e89d7a0bfa3b 241 led2 = !led2;
roryhand 0:e89d7a0bfa3b 242 }
roryhand 0:e89d7a0bfa3b 243
roryhand 0:e89d7a0bfa3b 244
roryhand 0:e89d7a0bfa3b 245 void isr()
roryhand 0:e89d7a0bfa3b 246 {
roryhand 1:aac37edee302 247 if(flag1 == 0) {
roryhand 0:e89d7a0bfa3b 248 value[0] = Buffer1[place_hold1]>>4;
roryhand 0:e89d7a0bfa3b 249 i2s.write(value,1);//Send next PWM value to amp
roryhand 0:e89d7a0bfa3b 250 place_hold1 = place_hold1 + 1;
roryhand 1:aac37edee302 251 if( (place_hold1 >= BufferLen)) {
roryhand 0:e89d7a0bfa3b 252 led2 = !led2;
roryhand 0:e89d7a0bfa3b 253 place_hold1 = 0;
roryhand 0:e89d7a0bfa3b 254 place_hold2 = 0;
roryhand 0:e89d7a0bfa3b 255 flag1 = 1;
roryhand 0:e89d7a0bfa3b 256 flag2 = 0;
roryhand 1:aac37edee302 257 }
roryhand 1:aac37edee302 258 } else if(flag2 == 0) {
roryhand 0:e89d7a0bfa3b 259 value[0] = Buffer2[place_hold2]>>4;
roryhand 0:e89d7a0bfa3b 260 i2s.write(value,1);//Send next PWM value to amp
roryhand 0:e89d7a0bfa3b 261 place_hold2 = place_hold2 + 1;
roryhand 1:aac37edee302 262 if( (place_hold2 >= BufferLen) ) {
roryhand 0:e89d7a0bfa3b 263 led2 = !led2;
roryhand 0:e89d7a0bfa3b 264 place_hold1 = 0;
roryhand 0:e89d7a0bfa3b 265 place_hold2 = 0;
roryhand 0:e89d7a0bfa3b 266 flag1 = 0;
roryhand 1:aac37edee302 267 flag2 = 1;
roryhand 0:e89d7a0bfa3b 268 FLAGBUFF2 = 0;
roryhand 1:aac37edee302 269 }
roryhand 0:e89d7a0bfa3b 270 }
roryhand 0:e89d7a0bfa3b 271 }
roryhand 1:aac37edee302 272
roryhand 0:e89d7a0bfa3b 273 void horn_sound()
roryhand 0:e89d7a0bfa3b 274 {
roryhand 0:e89d7a0bfa3b 275 BellFlag = 1;
roryhand 0:e89d7a0bfa3b 276 fseek(HornWav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 277 fseek(BellWav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 278 fseek(FlangeWav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 279 fseek(N2Wav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 280 }
roryhand 0:e89d7a0bfa3b 281
roryhand 0:e89d7a0bfa3b 282
roryhand 0:e89d7a0bfa3b 283 void N2SoundIsr()
roryhand 0:e89d7a0bfa3b 284 {
roryhand 0:e89d7a0bfa3b 285 DualEngineFlag = 1;
roryhand 0:e89d7a0bfa3b 286 fseek(N2Wav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 287 fseek(HornWav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 288 //TickFadeOut.detach(&N2SoundIsr);//,5.0);
roryhand 0:e89d7a0bfa3b 289 }
roryhand 0:e89d7a0bfa3b 290
roryhand 0:e89d7a0bfa3b 291
roryhand 0:e89d7a0bfa3b 292 void FadeOutIsr()
roryhand 0:e89d7a0bfa3b 293 {
roryhand 1:aac37edee302 294 FadeFlag = 1;
roryhand 1:aac37edee302 295 fseek(IdleN2Wav,44,SEEK_SET);
roryhand 1:aac37edee302 296 fseek(N2Wav,44,SEEK_SET);
roryhand 1:aac37edee302 297 fseek(HornWav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 298 fseek(FlangeWav,44,SEEK_SET);
roryhand 1:aac37edee302 299
roryhand 0:e89d7a0bfa3b 300 }
roryhand 0:e89d7a0bfa3b 301
roryhand 3:6169aeeaeeb4 302 classFade FadeDataInitialise(classFade FadeData);
roryhand 3:6169aeeaeeb4 303
roryhand 3:6169aeeaeeb4 304
roryhand 3:6169aeeaeeb4 305
roryhand 3:6169aeeaeeb4 306
roryhand 3:6169aeeaeeb4 307
roryhand 3:6169aeeaeeb4 308 //function prototypes
roryhand 3:6169aeeaeeb4 309 WAV_FILE_STRUCT ReadFileInfo(WAV_FILE_STRUCT FileInfo, FILE * wav_file);
roryhand 3:6169aeeaeeb4 310 classSoundFile LoadFileStream(classSoundFile FileInfo, string filename);
roryhand 3:6169aeeaeeb4 311
roryhand 3:6169aeeaeeb4 312 float FadeOut(void);
roryhand 3:6169aeeaeeb4 313 void Play_WaveFile(FILE * my_wav, WAV_FILE_STRUCT FileInfo);
roryhand 3:6169aeeaeeb4 314 //void Play_WaveFileLoop(FILE * my_wav, WAV_FILE_STRUCT FileInfo);
roryhand 3:6169aeeaeeb4 315 //*********************INTERRUPT ROUTINE FOR NOTCHING***************************
roryhand 0:e89d7a0bfa3b 316
roryhand 1:aac37edee302 317 void NotchUpIsr()
roryhand 0:e89d7a0bfa3b 318 {
roryhand 1:aac37edee302 319 if(1 <= NotchingSet.Notch < 8) {
roryhand 1:aac37edee302 320
roryhand 1:aac37edee302 321 NotchingSet.Notch = NotchingSet.Notch + 1;
roryhand 1:aac37edee302 322 NotchingSet.NotchTransUp = NotchingSet.Notch + 7;
roryhand 1:aac37edee302 323 NotchingSet.NotchDirection = 1;
roryhand 3:6169aeeaeeb4 324 FadeDataInitialise(NotchFadeIn);
roryhand 3:6169aeeaeeb4 325 FadeDataInitialise(NotchFadeOut);
roryhand 1:aac37edee302 326 }
roryhand 0:e89d7a0bfa3b 327 }
roryhand 0:e89d7a0bfa3b 328
roryhand 0:e89d7a0bfa3b 329 void NotchDownIsr()
roryhand 0:e89d7a0bfa3b 330 {
roryhand 1:aac37edee302 331 if(1 < NotchingSet.Notch <= 8) {
roryhand 1:aac37edee302 332 NotchingSet.Notch = NotchingSet.Notch - 1;
roryhand 1:aac37edee302 333 NotchingSet.NotchTransDown = NotchingSet.Notch + 15;;
roryhand 1:aac37edee302 334 NotchingSet.NotchDirection = 0;
roryhand 3:6169aeeaeeb4 335 FadeDataInitialise(NotchFadeIn);
roryhand 3:6169aeeaeeb4 336 FadeDataInitialise(NotchFadeOut);
roryhand 1:aac37edee302 337 }
roryhand 1:aac37edee302 338 }
roryhand 0:e89d7a0bfa3b 339
roryhand 0:e89d7a0bfa3b 340
roryhand 3:6169aeeaeeb4 341 /**********************END OF INTERRUPT ROUTINE FOR NOTCHING*******************/
roryhand 3:6169aeeaeeb4 342
roryhand 3:6169aeeaeeb4 343
roryhand 1:aac37edee302 344
roryhand 0:e89d7a0bfa3b 345
roryhand 3:6169aeeaeeb4 346
roryhand 3:6169aeeaeeb4 347
roryhand 9:dd9cae06b202 348 void Play_WaveFileLoop(classSoundFile Sounds[], Notch_STRUCT NotchingSet);
roryhand 1:aac37edee302 349 int main()
roryhand 1:aac37edee302 350 {
roryhand 0:e89d7a0bfa3b 351 //LocalFileSystem local("local");
roryhand 0:e89d7a0bfa3b 352 NotchUp.mode(PullUp);
roryhand 0:e89d7a0bfa3b 353
roryhand 0:e89d7a0bfa3b 354
roryhand 0:e89d7a0bfa3b 355 //classSoundFile Sounds[4];
roryhand 1:aac37edee302 356 /* for(int iii = 0; iii < 3; iii ++)
roryhand 1:aac37edee302 357 {
roryhand 1:aac37edee302 358 Sounds[iii].setX(iii);
roryhand 1:aac37edee302 359 }*/
roryhand 0:e89d7a0bfa3b 360 WAV_FILE_STRUCT WavInfo_Startup;
roryhand 0:e89d7a0bfa3b 361 WAV_FILE_STRUCT WavInfo_Idle;
roryhand 0:e89d7a0bfa3b 362
roryhand 0:e89d7a0bfa3b 363 pc.printf("Beginning of program\n");
roryhand 0:e89d7a0bfa3b 364 FILE *StartupWav;
roryhand 0:e89d7a0bfa3b 365 FILE *IdleWav;
roryhand 1:aac37edee302 366
roryhand 3:6169aeeaeeb4 367
roryhand 0:e89d7a0bfa3b 368 DIR *dir;
roryhand 0:e89d7a0bfa3b 369 dirent *ent;
roryhand 0:e89d7a0bfa3b 370 int iterator = 0;
roryhand 3:6169aeeaeeb4 371
roryhand 3:6169aeeaeeb4 372
roryhand 4:55fbbb049bae 373
roryhand 3:6169aeeaeeb4 374
roryhand 3:6169aeeaeeb4 375 printf("Directory is about to be opened? Still dont really Get this concept\n\r");
roryhand 3:6169aeeaeeb4 376 //if i try to open folder SoundDecoder2, it gets stuck after file 13... WHY
roryhand 3:6169aeeaeeb4 377 if ((dir = opendir ("/sd/mydir/SoundDecoder_second")) != NULL) {
roryhand 1:aac37edee302 378
roryhand 0:e89d7a0bfa3b 379 // print all the files and directories within directory
roryhand 1:aac37edee302 380 while ((ent = readdir (dir)) != NULL) {
roryhand 3:6169aeeaeeb4 381 //printf("%s\r\n",string(ent->d_name));
roryhand 3:6169aeeaeeb4 382 filename[iterator] = (ent->d_name);
roryhand 3:6169aeeaeeb4 383 printf("Filename: %s\n\r",filename[iterator]);
roryhand 0:e89d7a0bfa3b 384 //printf("%s\r\n",filename[iterator]);
roryhand 0:e89d7a0bfa3b 385 iterator = iterator + 1;
roryhand 0:e89d7a0bfa3b 386 //printf("%s\r\n", ent->d_name);
roryhand 1:aac37edee302 387 //filenames.push_back(string(dirp->d_name));
roryhand 0:e89d7a0bfa3b 388 }
roryhand 0:e89d7a0bfa3b 389 closedir (dir);
roryhand 1:aac37edee302 390 }
roryhand 4:55fbbb049bae 391 /*
roryhand 3:6169aeeaeeb4 392 printf("Now printing all the files");
roryhand 3:6169aeeaeeb4 393 for(iterator = 0; iterator < 21; iterator ++) {
roryhand 1:aac37edee302 394 printf("All the Files: %s\r\n",filename[iterator]);
roryhand 1:aac37edee302 395 //printf("All the Files: %s\r\n",ent[iterator]);
roryhand 1:aac37edee302 396 }
roryhand 4:55fbbb049bae 397 */
roryhand 3:6169aeeaeeb4 398
roryhand 1:aac37edee302 399 //strcat(RootFolder,qdfilename[0]);
roryhand 3:6169aeeaeeb4 400 //string folder = RootFolder + filename[9];
roryhand 3:6169aeeaeeb4 401 //printf("Folder: %s\n\r",folder);
roryhand 1:aac37edee302 402
roryhand 1:aac37edee302 403
roryhand 0:e89d7a0bfa3b 404 //printf("Files and Folders contained here: %d\n\r",readdir(dp));
roryhand 1:aac37edee302 405
roryhand 1:aac37edee302 406
roryhand 9:dd9cae06b202 407 StartupWav = fopen("/sd/mydir/Startup.wav","rb");
roryhand 3:6169aeeaeeb4 408 //const char* folder2 = folder.c_str();
roryhand 1:aac37edee302 409
roryhand 1:aac37edee302 410
roryhand 1:aac37edee302 411 string FileName;
roryhand 1:aac37edee302 412 //vector <classSoundFile> Sound (27);
roryhand 3:6169aeeaeeb4 413 const char* FOLDER;
roryhand 4:55fbbb049bae 414
roryhand 5:f42ab6c41551 415
roryhand 9:dd9cae06b202 416 WAV_FILE_STRUCT MyNewWav;
roryhand 9:dd9cae06b202 417
roryhand 6:6e6229374856 418 string folder;
roryhand 9:dd9cae06b202 419 /*
roryhand 6:6e6229374856 420 for(int aaa = 0;aaa < 21; aaa ++ )
roryhand 6:6e6229374856 421 {
roryhand 6:6e6229374856 422 folder = RootFolder + filename[aaa];
roryhand 6:6e6229374856 423 FOLDER = folder.c_str();
roryhand 6:6e6229374856 424 Sound[aaa].FileInfo.WavFile = fopen(FOLDER,"rb");
roryhand 9:dd9cae06b202 425 //MyNewWav.WavFile = fopen("/sd/mydir/Startup.wav","rb");
roryhand 6:6e6229374856 426 printf("we opened This file %d\n\r",aaa);
roryhand 6:6e6229374856 427
roryhand 8:c2faf06e7240 428 /*
roryhand 8:c2faf06e7240 429 printf("Size of FILE* %d\n\r ",sizeof(Sound[aaa].FileInfo.WavFile));
roryhand 7:131ac4231c46 430 fseek(Sound[aaa].FileInfo.WavFile,20,SEEK_SET);
roryhand 7:131ac4231c46 431 fread(&Sound[aaa].FileInfo.FileFormat,sizeof(Sound[aaa].FileInfo.FileFormat),1,Sound[aaa].FileInfo.WavFile);
roryhand 7:131ac4231c46 432 fread(&Sound[aaa].FileInfo.FileData,sizeof(Sound[aaa].FileInfo.FileData),1,Sound[aaa].FileInfo.WavFile);
roryhand 8:c2faf06e7240 433 */
roryhand 9:dd9cae06b202 434
roryhand 9:dd9cae06b202 435
roryhand 9:dd9cae06b202 436 //fseek(Sound[aaa].FileInfo.WavFile,20,SEEK_SET);
roryhand 9:dd9cae06b202 437
roryhand 9:dd9cae06b202 438 //fseek(MyNewWav.WavFile,20,SEEK_SET);
roryhand 9:dd9cae06b202 439 //fread(&WavInfo_Horn.FileFormat,sizeof(WavInfo_Horn.FileFormat),1,MyNewWav.WavFile);
roryhand 9:dd9cae06b202 440 /*
roryhand 9:dd9cae06b202 441 fread(&Sound[aaa].FileInfo.FileData,sizeof(Sound[aaa].FileInfo.FileData),1,Sound[aaa].FileInfo.WavFile);
roryhand 9:dd9cae06b202 442
roryhand 9:dd9cae06b202 443 Sound[aaa].FileInfo.slice_buf = ( char *)malloc(Sound[aaa].FileInfo.FileFormat.block_align);
roryhand 9:dd9cae06b202 444 fread(Sound[aaa].FileInfo.slice_buf,Sound[aaa].FileInfo.FileFormat.block_align,1,Sound[aaa].FileInfo.WavFile); //This isnt actually required, its just a test
roryhand 9:dd9cae06b202 445 Sound[aaa].FileInfo.num_slices = Sound[aaa].FileInfo.FileData.subchunk2_size/Sound[aaa].FileInfo.FileFormat.block_align;
roryhand 9:dd9cae06b202 446 */
roryhand 9:dd9cae06b202 447
roryhand 9:dd9cae06b202 448
roryhand 7:131ac4231c46 449 Sound[aaa].FileInfo.slice_buf = ( char *)malloc(Sound[aaa].FileInfo.FileFormat.block_align);
roryhand 7:131ac4231c46 450 fread(Sound[aaa].FileInfo.slice_buf,Sound[aaa].FileInfo.FileFormat.block_align,1,Sound[aaa].FileInfo.WavFile); //This isnt actually required, its just a test
roryhand 7:131ac4231c46 451 Sound[aaa].FileInfo.num_slices = Sound[aaa].FileInfo.FileData.subchunk2_size/Sound[aaa].FileInfo.FileFormat.block_align;
roryhand 8:c2faf06e7240 452
roryhand 7:131ac4231c46 453
roryhand 9:dd9cae06b202 454 // }
roryhand 3:6169aeeaeeb4 455
roryhand 9:dd9cae06b202 456
roryhand 3:6169aeeaeeb4 457
roryhand 1:aac37edee302 458
roryhand 1:aac37edee302 459 printf("DO WE GET PAST THE ALLOCATION POINT\n\r");
roryhand 1:aac37edee302 460
roryhand 1:aac37edee302 461
roryhand 1:aac37edee302 462
roryhand 1:aac37edee302 463
roryhand 1:aac37edee302 464
roryhand 4:55fbbb049bae 465
roryhand 1:aac37edee302 466 StartupWav = fopen("/sd/mydir/645Engine/Startup.wav","rb");
roryhand 0:e89d7a0bfa3b 467 IdleWav = fopen("/sd/mydir/645Engine/N2_11k_minus10dB.wav","rb");
roryhand 0:e89d7a0bfa3b 468 IdleN2Wav = fopen("/sd/mydir/645Engine/N2N3_11k_minus10dB.wav","rb");
roryhand 0:e89d7a0bfa3b 469 HornWav = fopen("/sd/mydir/645Engine/K3H_1_A_short_quiet.wav","rb");
roryhand 0:e89d7a0bfa3b 470 N2Wav = fopen("/sd/mydir/645Engine/N3_11k_minus11dB.wav","rb");
roryhand 0:e89d7a0bfa3b 471 BellWav = fopen("/sd/mydir/645Engine/EMD_BRONZE_BELL_1_11k_minus10dB.wav","rb");
roryhand 0:e89d7a0bfa3b 472 FlangeWav = fopen("/sd/mydir/645Engine/EX_FlangeJoint1_11k_minus12dB.wav","rb");
roryhand 3:6169aeeaeeb4 473
roryhand 1:aac37edee302 474
roryhand 0:e89d7a0bfa3b 475 WavInfo_Startup = ReadFileInfo(WavInfo_Startup, StartupWav);
roryhand 1:aac37edee302 476 printf("WavInfo_Startup Size: %d\n\r",sizeof(WavInfo_Startup));
roryhand 0:e89d7a0bfa3b 477 WavInfo_Idle = ReadFileInfo(WavInfo_Idle, IdleWav);
roryhand 0:e89d7a0bfa3b 478 WavInfo_Horn = ReadFileInfo(WavInfo_Horn, HornWav);
roryhand 0:e89d7a0bfa3b 479 WavInfo_IdleN2 = ReadFileInfo(WavInfo_IdleN2, IdleN2Wav);
roryhand 0:e89d7a0bfa3b 480 WavInfo_N2 = ReadFileInfo(WavInfo_N2, N2Wav);
roryhand 0:e89d7a0bfa3b 481 WavInfo_Bell = ReadFileInfo(WavInfo_Bell, BellWav);
roryhand 0:e89d7a0bfa3b 482 WavInfo_Flange = ReadFileInfo(WavInfo_Flange, FlangeWav);
roryhand 4:55fbbb049bae 483
roryhand 1:aac37edee302 484
roryhand 0:e89d7a0bfa3b 485 //Populate our class instances with some data (is there an implicit way to do this?)
roryhand 0:e89d7a0bfa3b 486 N2FadeIn.LengthSecs = 4;
roryhand 0:e89d7a0bfa3b 487 IdleFadeOut.LengthSecs = 2;
roryhand 0:e89d7a0bfa3b 488 N2FadeIn = FadeDataInitialise(N2FadeIn);
roryhand 0:e89d7a0bfa3b 489 IdleFadeOut = FadeDataInitialise(IdleFadeOut);
roryhand 1:aac37edee302 490
roryhand 3:6169aeeaeeb4 491 printf("hello\n\r");
roryhand 0:e89d7a0bfa3b 492 //Set up the wolfson Audio Codec board
roryhand 0:e89d7a0bfa3b 493 wm8731_Config_setup();
roryhand 0:e89d7a0bfa3b 494 //i2s audio data transfer code??
roryhand 0:e89d7a0bfa3b 495 i2s.stereomono(I2S_STEREO);
roryhand 0:e89d7a0bfa3b 496 i2s.masterslave(I2S_MASTER);
roryhand 0:e89d7a0bfa3b 497 led3 = 1;
roryhand 0:e89d7a0bfa3b 498 led2 = 1;
roryhand 3:6169aeeaeeb4 499
roryhand 0:e89d7a0bfa3b 500 sampletick.attach(&isr,1.0/sampling_freq); //1/16000
roryhand 0:e89d7a0bfa3b 501 //TickFadeOut.attach(&FadeOutIsr,10.0);
roryhand 3:6169aeeaeeb4 502 printf("SamplingFreq: %d\n\r",sampling_freq);
roryhand 0:e89d7a0bfa3b 503 i2s.start();
roryhand 3:6169aeeaeeb4 504 printf("Hello i2s has starrted!!");
roryhand 0:e89d7a0bfa3b 505 Horn.rise(&FadeOutIsr);
roryhand 0:e89d7a0bfa3b 506 slice = 0;
roryhand 0:e89d7a0bfa3b 507 fseek(IdleN2Wav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 508 //Play_WaveFile(IdleN2Wav,WavInfo_IdleN2);
roryhand 0:e89d7a0bfa3b 509 //Play_WaveFile(N2Wav,WavInfo_N2);
roryhand 0:e89d7a0bfa3b 510 t.reset();
roryhand 0:e89d7a0bfa3b 511 t.start();
roryhand 0:e89d7a0bfa3b 512 N2FadeIn.FadeCoeff = N2FadeIn.FadeOut();
roryhand 0:e89d7a0bfa3b 513 t.stop();
roryhand 0:e89d7a0bfa3b 514 printf("Time to Calcualte Fade Coeff: %d\n\r",t.read_us());
roryhand 0:e89d7a0bfa3b 515 t.reset();
roryhand 1:aac37edee302 516
roryhand 0:e89d7a0bfa3b 517 fseek(IdleN2Wav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 518 t.start();
roryhand 1:aac37edee302 519 fread(WavInfo_IdleN2.slice_buf,WavInfo_IdleN2.FileFormat.block_align,1,IdleN2Wav);
roryhand 0:e89d7a0bfa3b 520 data_sptr_IdleN2 = (short *)WavInfo_IdleN2.slice_buf;
roryhand 0:e89d7a0bfa3b 521 t.stop();
roryhand 0:e89d7a0bfa3b 522 printf("Time to Read in a slice: %dus\n\r",t.read_us());
roryhand 0:e89d7a0bfa3b 523 t.reset();
roryhand 1:aac37edee302 524
roryhand 0:e89d7a0bfa3b 525 printf("point to start sound: %d\n\r",((WavInfo_IdleN2.FileData.subchunk2_size) - N2FadeIn.Length));
roryhand 0:e89d7a0bfa3b 526 printf("Size of Data: %d\n\r",WavInfo_IdleN2.FileData.subchunk2_size);
roryhand 1:aac37edee302 527
roryhand 0:e89d7a0bfa3b 528 fseek(FlangeWav,44,SEEK_SET);
roryhand 9:dd9cae06b202 529
roryhand 0:e89d7a0bfa3b 530 Play_WaveFile(StartupWav,WavInfo_Startup);
roryhand 9:dd9cae06b202 531 /************************************PLAY WAV FILE LOOP*******************/
roryhand 9:dd9cae06b202 532 Play_WaveFileLoop(Sound, NotchingSet);
roryhand 9:dd9cae06b202 533 /************************************END OF PLAY WAV FILE LOOP*************/
roryhand 9:dd9cae06b202 534
roryhand 9:dd9cae06b202 535
roryhand 9:dd9cae06b202 536
roryhand 9:dd9cae06b202 537
roryhand 3:6169aeeaeeb4 538
roryhand 0:e89d7a0bfa3b 539 fseek(IdleN2Wav,44,SEEK_SET);//reset for use in the Loop code
roryhand 0:e89d7a0bfa3b 540 slice = 0;
roryhand 0:e89d7a0bfa3b 541 fseek(IdleWav,44,SEEK_SET);
roryhand 3:6169aeeaeeb4 542 NotchingSet.Notch = 1;
roryhand 1:aac37edee302 543 //Play_WaveFileLoop(IdleWav, WavInfo_Idle);
roryhand 1:aac37edee302 544
roryhand 1:aac37edee302 545 i2s.stop();
roryhand 0:e89d7a0bfa3b 546
roryhand 0:e89d7a0bfa3b 547 }
roryhand 0:e89d7a0bfa3b 548
roryhand 0:e89d7a0bfa3b 549
roryhand 3:6169aeeaeeb4 550
roryhand 3:6169aeeaeeb4 551
roryhand 3:6169aeeaeeb4 552
roryhand 3:6169aeeaeeb4 553
roryhand 0:e89d7a0bfa3b 554 WAV_FILE_STRUCT ReadFileInfo(WAV_FILE_STRUCT FileInfo, FILE * wav_file)
roryhand 0:e89d7a0bfa3b 555 {
roryhand 0:e89d7a0bfa3b 556 fseek(wav_file,20,SEEK_SET);
roryhand 0:e89d7a0bfa3b 557 fread(&FileInfo.FileFormat,sizeof(FileInfo.FileFormat),1,wav_file);
roryhand 1:aac37edee302 558 //printf("wav_format.sample_rate: %d\n\r",FileInfo.FileFormat.sample_rate);
roryhand 1:aac37edee302 559
roryhand 0:e89d7a0bfa3b 560 fread(&FileInfo.FileData,sizeof(FileInfo.FileData),1,wav_file);
roryhand 1:aac37edee302 561 //printf("wav_data.subchunk2_size: %d\n\r",FileInfo.FileData.subchunk2_size);
roryhand 0:e89d7a0bfa3b 562 FileInfo.slice_buf = ( char *)malloc(FileInfo.FileFormat.block_align);
roryhand 0:e89d7a0bfa3b 563 fread(FileInfo.slice_buf,FileInfo.FileFormat.block_align,1,wav_file); //This isnt actually required, its just a test
roryhand 1:aac37edee302 564 FileInfo.num_slices = FileInfo.FileData.subchunk2_size/FileInfo.FileFormat.block_align;
roryhand 1:aac37edee302 565 //printf("Number of Slices: %d\n\r",FileInfo.num_slices);
roryhand 1:aac37edee302 566 return FileInfo;
roryhand 0:e89d7a0bfa3b 567 }
roryhand 1:aac37edee302 568
roryhand 1:aac37edee302 569 classSoundFile LoadFileStream(classSoundFile Sound, string filename)
roryhand 1:aac37edee302 570 {
roryhand 1:aac37edee302 571 //Declare RootFolder and the directory for the appropriate file.
roryhand 1:aac37edee302 572 //How we index into filename[] from the outside of this class is another
roryhand 1:aac37edee302 573 //issue...
roryhand 1:aac37edee302 574 //printf("FileName: %s\n\r",filename);
roryhand 1:aac37edee302 575 //string RootFolder = "/sd/mydir/SoundDecoder/";
roryhand 1:aac37edee302 576 //string Directory = RootFolder + "01.wav";// + filename[0];
roryhand 1:aac37edee302 577 //printf("%s\n\r",Directory);
roryhand 1:aac37edee302 578 //const char* DirectoryChar = Directory.c_str();
roryhand 1:aac37edee302 579 //Sound.FileInfo.WavFile = fopen(DirectoryChar,"rb");
roryhand 1:aac37edee302 580 Sound.FileInfo.WavFile = fopen("/sd/mydir/645Engine/Startup.wav","rb");
roryhand 1:aac37edee302 581 fseek(Sound.FileInfo.WavFile,20,SEEK_SET);
roryhand 1:aac37edee302 582 fread(&Sound.FileInfo.FileFormat,sizeof(Sound.FileInfo.FileFormat),1,Sound.FileInfo.WavFile);
roryhand 1:aac37edee302 583 printf("wav_format.sample_rate: %d\n\r",Sound.FileInfo.FileFormat.sample_rate);
roryhand 1:aac37edee302 584 fread(&Sound.FileInfo.FileData,sizeof(Sound.FileInfo.FileData),1,Sound.FileInfo.WavFile);
roryhand 1:aac37edee302 585 printf("wav_data.subchunk2_size: %d\n\r",Sound.FileInfo.FileData.subchunk2_size);
roryhand 1:aac37edee302 586 Sound.FileInfo.slice_buf = ( char *)malloc(Sound.FileInfo.FileFormat.block_align);
roryhand 1:aac37edee302 587 fread(Sound.FileInfo.slice_buf,Sound.FileInfo.FileFormat.block_align,1,Sound.FileInfo.WavFile); //This isnt actually required, its just a test
roryhand 1:aac37edee302 588 Sound.FileInfo.num_slices = Sound.FileInfo.FileData.subchunk2_size/Sound.FileInfo.FileFormat.block_align;
roryhand 1:aac37edee302 589 printf("Number of Slices: %d\n\r",Sound.FileInfo.num_slices);
roryhand 1:aac37edee302 590 return Sound;
roryhand 1:aac37edee302 591 }
roryhand 1:aac37edee302 592
roryhand 1:aac37edee302 593
roryhand 0:e89d7a0bfa3b 594 classFade FadeDataInitialise(classFade FadeData)
roryhand 0:e89d7a0bfa3b 595 {
roryhand 1:aac37edee302 596 FadeData.DecayFactor = 1.3;
roryhand 0:e89d7a0bfa3b 597 FadeData.FadeIteration = 1;
roryhand 0:e89d7a0bfa3b 598 //FadeData.Denom = 11025*FadeData.DecayFactor;
roryhand 0:e89d7a0bfa3b 599 FadeData.Denom = 11025*FadeData.DecayFactor;
roryhand 0:e89d7a0bfa3b 600 FadeData.Natural_Exp = 2.7183;
roryhand 0:e89d7a0bfa3b 601 FadeData.Length = 11025*FadeData.LengthSecs;
roryhand 0:e89d7a0bfa3b 602 //FadeData.Natural_Exp = 2.7;
roryhand 0:e89d7a0bfa3b 603 return FadeData;
roryhand 0:e89d7a0bfa3b 604 }
roryhand 0:e89d7a0bfa3b 605
roryhand 0:e89d7a0bfa3b 606 //Playing Files Code
roryhand 0:e89d7a0bfa3b 607 /*float FadeIn(void)
roryhand 0:e89d7a0bfa3b 608 {
roryhand 0:e89d7a0bfa3b 609 powervalFadeIn = FadeIterationIn/denom;
roryhand 0:e89d7a0bfa3b 610 FadeCoeffFadeIn
roryhand 1:aac37edee302 611
roryhand 1:aac37edee302 612
roryhand 0:e89d7a0bfa3b 613 }*/
roryhand 0:e89d7a0bfa3b 614 /*float FadeOut(void)
roryhand 0:e89d7a0bfa3b 615 {
roryhand 0:e89d7a0bfa3b 616 powerval = -FadeIteration/denom;
roryhand 0:e89d7a0bfa3b 617 FadeCoeff = pow(natural_exp,powerval);
roryhand 1:aac37edee302 618 FadeIteration = FadeIteration + 1;
roryhand 1:aac37edee302 619 return FadeCoeff;
roryhand 1:aac37edee302 620
roryhand 0:e89d7a0bfa3b 621 }*/
roryhand 0:e89d7a0bfa3b 622
roryhand 0:e89d7a0bfa3b 623
roryhand 0:e89d7a0bfa3b 624 void Play_WaveFile(FILE * my_wav, WAV_FILE_STRUCT FileInfo)
roryhand 0:e89d7a0bfa3b 625 {
roryhand 1:aac37edee302 626 while(slice<FileInfo.num_slices) {
roryhand 1:aac37edee302 627 fread(FileInfo.slice_buf,FileInfo.FileFormat.block_align,1,my_wav);
roryhand 1:aac37edee302 628 data_sptr=(short *)FileInfo.slice_buf; // 16 bit samples
roryhand 1:aac37edee302 629 for (channel=0; channel<FileInfo.FileFormat.num_channels; channel++) {
roryhand 1:aac37edee302 630 if(flag1 == 1) {
roryhand 1:aac37edee302 631 Buffer1[place_hold1] = data_sptr[channel];
roryhand 1:aac37edee302 632 place_hold1 = place_hold1 + 1;
roryhand 1:aac37edee302 633 if(place_hold1 >= BufferLen) {
roryhand 1:aac37edee302 634 while(1) {
roryhand 1:aac37edee302 635 if(flag1 == 0) {
roryhand 0:e89d7a0bfa3b 636
roryhand 1:aac37edee302 637 break;
roryhand 0:e89d7a0bfa3b 638 }
roryhand 1:aac37edee302 639
roryhand 0:e89d7a0bfa3b 640 }
roryhand 1:aac37edee302 641 }
roryhand 1:aac37edee302 642
roryhand 1:aac37edee302 643 } else if(flag2 == 1) {
roryhand 1:aac37edee302 644 Buffer2[place_hold2] = data_sptr[channel];
roryhand 1:aac37edee302 645 place_hold2 = place_hold2 + 1;
roryhand 1:aac37edee302 646 if(place_hold2 >= BufferLen) {
roryhand 1:aac37edee302 647
roryhand 1:aac37edee302 648 while(1) {
roryhand 1:aac37edee302 649 if(flag2 == 0) {
roryhand 1:aac37edee302 650
roryhand 1:aac37edee302 651 break;
roryhand 1:aac37edee302 652 }
roryhand 0:e89d7a0bfa3b 653 }
roryhand 1:aac37edee302 654 }
roryhand 0:e89d7a0bfa3b 655 }
roryhand 1:aac37edee302 656
roryhand 1:aac37edee302 657 }
roryhand 1:aac37edee302 658 slice = slice + 1;
roryhand 0:e89d7a0bfa3b 659 }
roryhand 0:e89d7a0bfa3b 660 }
roryhand 0:e89d7a0bfa3b 661
roryhand 0:e89d7a0bfa3b 662
roryhand 0:e89d7a0bfa3b 663
roryhand 0:e89d7a0bfa3b 664
roryhand 0:e89d7a0bfa3b 665
roryhand 0:e89d7a0bfa3b 666
roryhand 2:957d3b2afff4 667 //void Play_WaveFileLoop(FILE * my_wav, WAV_FILE_STRUCT FileInfo)//(classSoundFile Sounds)
roryhand 9:dd9cae06b202 668
roryhand 9:dd9cae06b202 669 void Play_WaveFileLoop(classSoundFile Sounds[], Notch_STRUCT NotchingSet)
roryhand 0:e89d7a0bfa3b 670 {
roryhand 1:aac37edee302 671 while(1) { //might have to change this to a while(1) loop?
roryhand 1:aac37edee302 672 //New format!! This should be (roughly) the way that this is done, with the new structures and classes
roryhand 1:aac37edee302 673 ////fread(Sound[Notch].FileData.slice_buf,Sound[Notch].FileFormat.block_align,1,Sound[notch].WavFile);
roryhand 1:aac37edee302 674 //data_sptr=(short *)Sound[Notch].FileInfo.slice_buf;
roryhand 1:aac37edee302 675
roryhand 0:e89d7a0bfa3b 676
roryhand 2:957d3b2afff4 677 if( slice == (Sounds[NotchingSet.Notch].FileInfo.num_slices-1) ) {
roryhand 1:aac37edee302 678 slice = 0;
roryhand 2:957d3b2afff4 679 fseek(Sounds[NotchingSet.Notch].FileInfo.WavFile,44,SEEK_SET);
roryhand 1:aac37edee302 680 }
roryhand 1:aac37edee302 681
roryhand 2:957d3b2afff4 682 //fread(FileInfo.slice_buf,FileInfo.FileFormat.block_align,1,my_wav);
roryhand 2:957d3b2afff4 683 data_sptr=(short *)Sounds[NotchingSet.Notch].FileInfo.slice_buf; // 16 bit samples
roryhand 2:957d3b2afff4 684 //make sure we are reading in the correct "notch" here
roryhand 2:957d3b2afff4 685
roryhand 2:957d3b2afff4 686 if(FadeFlag) {
roryhand 2:957d3b2afff4 687 if(feof(Sounds[NotchingSet.Notch].FileInfo.WavFile)) {
roryhand 2:957d3b2afff4 688 fseek(Sounds[NotchingSet.Notch].FileInfo.WavFile,44,SEEK_SET);
roryhand 2:957d3b2afff4 689 }
roryhand 3:6169aeeaeeb4 690
roryhand 2:957d3b2afff4 691 //Read in data for current (i.e. now the previous notch, according to the index!!)
roryhand 2:957d3b2afff4 692 //We might not need this code here...as its probably done somewhere else??
roryhand 2:957d3b2afff4 693 fread(Sounds[NotchingSet.Notch-1].FileInfo.slice_buf,Sounds[NotchingSet.Notch-1].FileInfo.FileFormat.block_align,1,Sounds[NotchingSet.Notch-1].FileInfo.WavFile);
roryhand 2:957d3b2afff4 694 Sounds[NotchingSet.Notch-1].data_sptr = (short *)Sounds[NotchingSet.Notch-1].FileInfo.slice_buf;
roryhand 3:6169aeeaeeb4 695
roryhand 2:957d3b2afff4 696 NotchFadeOut.FadeCoeff = NotchFadeOut.FadeOut();//compute new FadeOut Coeff value
roryhand 2:957d3b2afff4 697
roryhand 2:957d3b2afff4 698 //Read in the notch transition file for transitioning up
roryhand 2:957d3b2afff4 699 fread(Sounds[NotchingSet.NotchTransUp].FileInfo.slice_buf,Sounds[NotchingSet.NotchTransUp].FileInfo.FileFormat.block_align,1,Sounds[NotchingSet.NotchTransUp].FileInfo.WavFile);
roryhand 2:957d3b2afff4 700 Sounds[NotchingSet.NotchTransUp].data_sptr = (short*)Sounds[NotchingSet.NotchTransUp].FileInfo.slice_buf;
roryhand 3:6169aeeaeeb4 701
roryhand 2:957d3b2afff4 702 if( ((Sounds[NotchingSet.NotchTransUp].FileInfo.FileData.subchunk2_size) - NotchFadeIn.Length - 2*11025) <= (ftell(Sounds[NotchingSet.NotchTransUp].FileInfo.WavFile) + 44))
roryhand 2:957d3b2afff4 703 //if( (WavInfo_IdleN2.FileData.subchunk2_size)/8 <=ftell(IdleN2Wav) )
roryhand 2:957d3b2afff4 704 {
roryhand 2:957d3b2afff4 705
roryhand 2:957d3b2afff4 706 NotchFadeIn.FadeCoeff = NotchFadeIn.FadeIn();
roryhand 3:6169aeeaeeb4 707
roryhand 2:957d3b2afff4 708 //Read In the next Notch
roryhand 2:957d3b2afff4 709 fread(Sounds[NotchingSet.Notch].FileInfo.slice_buf,Sounds[NotchingSet.Notch].FileInfo.FileFormat.block_align,1,Sounds[NotchingSet.Notch].FileInfo.WavFile);
roryhand 2:957d3b2afff4 710 Sounds[NotchingSet.Notch].data_sptr = (short *)Sounds[NotchingSet.Notch].FileInfo.slice_buf;
roryhand 2:957d3b2afff4 711
roryhand 2:957d3b2afff4 712 if( (ftell(Sounds[NotchingSet.NotchTransUp].FileInfo.WavFile) + 44) >= Sounds[NotchingSet.NotchTransUp].FileInfo.FileData.subchunk2_size ) {
roryhand 3:6169aeeaeeb4 713
roryhand 2:957d3b2afff4 714 //need to explicitly test if this notation/syntax works for pointers....
roryhand 2:957d3b2afff4 715 *Sounds[NotchingSet.Notch].data_sptr = *Sounds[NotchingSet.Notch].data_sptr*NotchFadeIn.FadeCoeff;
roryhand 2:957d3b2afff4 716 } else {
roryhand 2:957d3b2afff4 717 *Sounds[NotchingSet.Notch-1].data_sptr = *Sounds[NotchingSet.Notch - 1].data_sptr*NotchFadeOut.FadeCoeff + *Sounds[NotchingSet.NotchTransUp].data_sptr + *Sounds[NotchingSet.Notch].data_sptr*NotchFadeIn.FadeCoeff;// + *data_sptr_N2;
roryhand 2:957d3b2afff4 718 }
roryhand 2:957d3b2afff4 719
roryhand 2:957d3b2afff4 720 } else {
roryhand 2:957d3b2afff4 721 *Sounds[NotchingSet.Notch-1].data_sptr = *Sounds[NotchingSet.Notch-1].data_sptr*NotchFadeOut.FadeCoeff + *Sounds[NotchingSet.NotchTransUp].data_sptr;
roryhand 2:957d3b2afff4 722 }
roryhand 2:957d3b2afff4 723
roryhand 1:aac37edee302 724 }
roryhand 1:aac37edee302 725
roryhand 1:aac37edee302 726
roryhand 3:6169aeeaeeb4 727 /********************END OF DATA ASSIGNMENT SECTION*************************************************/
roryhand 9:dd9cae06b202 728
roryhand 2:957d3b2afff4 729 for (channel=0; channel<Sounds[NotchingSet.Notch].FileInfo.FileFormat.num_channels; channel++) {
roryhand 2:957d3b2afff4 730 switch (Sounds[NotchingSet.Notch].FileInfo.FileFormat.sig_bps) {
roryhand 0:e89d7a0bfa3b 731 case 16:
roryhand 1:aac37edee302 732 if(flag1 == 1) {
roryhand 2:957d3b2afff4 733 Buffer1[place_hold1] = Sounds[NotchingSet.Notch].data_sptr[channel];
roryhand 1:aac37edee302 734 place_hold1 = place_hold1 + 1;
roryhand 1:aac37edee302 735 if(place_hold1 >= BufferLen) {
roryhand 1:aac37edee302 736 while(1) {
roryhand 1:aac37edee302 737 if(flag1 == 0) {
roryhand 1:aac37edee302 738 break;
roryhand 1:aac37edee302 739 }//if(flag1 == 0)
roryhand 1:aac37edee302 740
roryhand 1:aac37edee302 741
roryhand 1:aac37edee302 742 }//while(1)
roryhand 1:aac37edee302 743 }//if(place_hold1 > = BufferLen)
roryhand 0:e89d7a0bfa3b 744
roryhand 1:aac37edee302 745 } else if(flag2 == 1) {
roryhand 2:957d3b2afff4 746 Buffer2[place_hold2] = Sounds[NotchingSet.Notch].data_sptr[channel];
roryhand 1:aac37edee302 747 place_hold2 = place_hold2 + 1;
roryhand 1:aac37edee302 748 if(place_hold2 >= BufferLen) {
roryhand 1:aac37edee302 749 while(1) {
roryhand 1:aac37edee302 750
roryhand 1:aac37edee302 751 if(flag2 == 0) {
roryhand 1:aac37edee302 752 break;
roryhand 1:aac37edee302 753 }
roryhand 1:aac37edee302 754 }
roryhand 0:e89d7a0bfa3b 755 }
roryhand 1:aac37edee302 756
roryhand 1:aac37edee302 757 }
roryhand 0:e89d7a0bfa3b 758 }
roryhand 0:e89d7a0bfa3b 759 }
roryhand 0:e89d7a0bfa3b 760 slice = slice + 1;
roryhand 0:e89d7a0bfa3b 761 }
roryhand 0:e89d7a0bfa3b 762 }
roryhand 0:e89d7a0bfa3b 763
roryhand 0:e89d7a0bfa3b 764
roryhand 0:e89d7a0bfa3b 765
roryhand 0:e89d7a0bfa3b 766
roryhand 0:e89d7a0bfa3b 767
roryhand 0:e89d7a0bfa3b 768
roryhand 0:e89d7a0bfa3b 769
roryhand 9:dd9cae06b202 770