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@30:4a8e80b243c4, 2019-05-26 (annotated)

Committer:
roryhand
Date:
Sun May 26 20:41:05 2019 +0000
Revision:
30:4a8e80b243c4
Parent:
28:6b2353fad12d
Child:
31:0f8c3adf09c3
WIP - cleaned up - can now play .WAV files.  (i2s.start() statement had accidentally been deleted).

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 27:a378f1f937ee 15 #include <fstream>
roryhand 27:a378f1f937ee 16 #include <iostream>
roryhand 0:e89d7a0bfa3b 17 #include <vector>
roryhand 0:e89d7a0bfa3b 18 #include <string>
roryhand 0:e89d7a0bfa3b 19 #define sample_freq 11025
roryhand 1:aac37edee302 20 #pragma import __use_two_region_memory
roryhand 0:e89d7a0bfa3b 21 DigitalOut myled(LED1);
roryhand 0:e89d7a0bfa3b 22 DigitalOut led2(LED2);
roryhand 0:e89d7a0bfa3b 23 DigitalOut led3(LED3);
roryhand 0:e89d7a0bfa3b 24 DigitalIn NotchUp(p16);
roryhand 0:e89d7a0bfa3b 25 InterruptIn Horn(p16);
roryhand 0:e89d7a0bfa3b 26 Ticker sampletick;
roryhand 0:e89d7a0bfa3b 27 Ticker BellTick;
roryhand 0:e89d7a0bfa3b 28 Ticker EdTick;
roryhand 0:e89d7a0bfa3b 29 Ticker TickFadeOut;
roryhand 3:6169aeeaeeb4 30 Ticker TestTick;
roryhand 0:e89d7a0bfa3b 31 Timer t;
roryhand 0:e89d7a0bfa3b 32 Timer t2;
roryhand 3:6169aeeaeeb4 33 Timer NotchTimer;
roryhand 27:a378f1f937ee 34 Timer timer_open;
roryhand 0:e89d7a0bfa3b 35
roryhand 0:e89d7a0bfa3b 36 Serial pc(USBTX, USBRX); // tx, rx //FOR DEBUGGING PROGRAM USING GNU SCREEN
roryhand 0:e89d7a0bfa3b 37 DigitalOut cs(p8);
roryhand 0:e89d7a0bfa3b 38 I2S i2s(I2S_TRANSMIT, p5, p6, p7);
roryhand 0:e89d7a0bfa3b 39 SDFileSystem sd(p11, p12, p13, p8, "sd"); // the new pinout that i am using
roryhand 0:e89d7a0bfa3b 40
roryhand 0:e89d7a0bfa3b 41
roryhand 0:e89d7a0bfa3b 42 /*struct A {
roryhand 0:e89d7a0bfa3b 43 int data;
roryhand 0:e89d7a0bfa3b 44 B b;
roryhand 0:e89d7a0bfa3b 45 };*/
roryhand 0:e89d7a0bfa3b 46
roryhand 0:e89d7a0bfa3b 47
roryhand 0:e89d7a0bfa3b 48
roryhand 0:e89d7a0bfa3b 49
roryhand 0:e89d7a0bfa3b 50 class classFade
roryhand 0:e89d7a0bfa3b 51 {
roryhand 1:aac37edee302 52 public:
roryhand 1:aac37edee302 53
roryhand 0:e89d7a0bfa3b 54 float powerval;
roryhand 0:e89d7a0bfa3b 55 float FadeIteration;
roryhand 0:e89d7a0bfa3b 56 float DecayFactor;
roryhand 0:e89d7a0bfa3b 57 float Denom;
roryhand 0:e89d7a0bfa3b 58 float FadeCoeff;
roryhand 0:e89d7a0bfa3b 59 float Natural_Exp;
roryhand 0:e89d7a0bfa3b 60 int LengthSecs;
roryhand 0:e89d7a0bfa3b 61 int Length;
roryhand 1:aac37edee302 62
roryhand 0:e89d7a0bfa3b 63 //member Functions
roryhand 0:e89d7a0bfa3b 64 float FadeOut(void)
roryhand 0:e89d7a0bfa3b 65 {
roryhand 0:e89d7a0bfa3b 66 powerval = -FadeIteration/Denom;
roryhand 1:aac37edee302 67 if (FadeIteration >=Length) {
roryhand 1:aac37edee302 68 FadeCoeff = 0;
roryhand 1:aac37edee302 69
roryhand 1:aac37edee302 70 } else {
roryhand 0:e89d7a0bfa3b 71 FadeCoeff = (Length - FadeIteration)/Length;
roryhand 0:e89d7a0bfa3b 72 }
roryhand 1:aac37edee302 73 FadeIteration = FadeIteration + 1;
roryhand 1:aac37edee302 74 return FadeCoeff;
roryhand 1:aac37edee302 75
roryhand 1:aac37edee302 76 }
roryhand 1:aac37edee302 77 float FadeIn(void)
roryhand 0:e89d7a0bfa3b 78 {
roryhand 0:e89d7a0bfa3b 79 powerval = FadeIteration/Denom;
roryhand 1:aac37edee302 80 if (FadeIteration >=Length) {
roryhand 1:aac37edee302 81 FadeCoeff = 1;
roryhand 1:aac37edee302 82
roryhand 1:aac37edee302 83 } else {
roryhand 0:e89d7a0bfa3b 84 FadeCoeff = FadeIteration/Length;
roryhand 0:e89d7a0bfa3b 85 }
roryhand 0:e89d7a0bfa3b 86
roryhand 1:aac37edee302 87 FadeIteration = FadeIteration + 1;
roryhand 1:aac37edee302 88 return FadeCoeff;
roryhand 1:aac37edee302 89
roryhand 1:aac37edee302 90 }
roryhand 0:e89d7a0bfa3b 91 };
roryhand 0:e89d7a0bfa3b 92
roryhand 0:e89d7a0bfa3b 93 classFade IdleFadeOut;
roryhand 0:e89d7a0bfa3b 94 classFade N2FadeIn;
roryhand 0:e89d7a0bfa3b 95
roryhand 2:957d3b2afff4 96 classFade NotchFadeOut;
roryhand 2:957d3b2afff4 97 classFade NotchFadeIn;
roryhand 2:957d3b2afff4 98
roryhand 0:e89d7a0bfa3b 99
roryhand 0:e89d7a0bfa3b 100
roryhand 0:e89d7a0bfa3b 101
roryhand 0:e89d7a0bfa3b 102
roryhand 1:aac37edee302 103 typedef struct uFMT_STRUCT {
roryhand 1:aac37edee302 104 short comp_code;
roryhand 1:aac37edee302 105 short num_channels;
roryhand 1:aac37edee302 106 unsigned sample_rate;
roryhand 1:aac37edee302 107 unsigned avg_Bps;
roryhand 1:aac37edee302 108 short block_align;
roryhand 1:aac37edee302 109 short sig_bps;
roryhand 0:e89d7a0bfa3b 110 } FMT_STRUCT;
roryhand 0:e89d7a0bfa3b 111
roryhand 1:aac37edee302 112 typedef struct uNotch_STRUCT {
roryhand 1:aac37edee302 113 short Notch;
roryhand 1:aac37edee302 114 short NotchTransUp;
roryhand 1:aac37edee302 115 short NotchTransDown;
roryhand 1:aac37edee302 116 short NotchDirection;
roryhand 1:aac37edee302 117 } Notch_STRUCT;
roryhand 1:aac37edee302 118
roryhand 0:e89d7a0bfa3b 119 typedef struct uDATA_STRUCT {
roryhand 1:aac37edee302 120 unsigned subchunk2_ID;
roryhand 1:aac37edee302 121 unsigned subchunk2_size;
roryhand 1:aac37edee302 122 char * data_buf;
roryhand 1:aac37edee302 123 } DATA_STRUCT;
roryhand 0:e89d7a0bfa3b 124
roryhand 1:aac37edee302 125 typedef struct uWAV_FILE_STRUCT {
roryhand 1:aac37edee302 126 FILE *WavFile;
roryhand 1:aac37edee302 127 int id_number;
roryhand 1:aac37edee302 128 char *slice_buf;
roryhand 1:aac37edee302 129 int num_slices;
roryhand 1:aac37edee302 130 FMT_STRUCT FileFormat;
roryhand 1:aac37edee302 131 DATA_STRUCT FileData;
roryhand 0:e89d7a0bfa3b 132 } WAV_FILE_STRUCT;
roryhand 0:e89d7a0bfa3b 133
roryhand 0:e89d7a0bfa3b 134 /*typedef struct uWAV_FILE_STRUCT{
roryhand 1:aac37edee302 135 FILE* WavFile;
roryhand 1:aac37edee302 136
roryhand 1:aac37edee302 137
roryhand 0:e89d7a0bfa3b 138 }WAV_FILE_STRUCT;*/
roryhand 0:e89d7a0bfa3b 139 class classSoundFile
roryhand 0:e89d7a0bfa3b 140 {
roryhand 1:aac37edee302 141 public:
roryhand 1:aac37edee302 142
roryhand 1:aac37edee302 143 //add a class constructor
roryhand 1:aac37edee302 144 WAV_FILE_STRUCT FileInfo;
roryhand 2:957d3b2afff4 145 short * data_sptr;
roryhand 1:aac37edee302 146 //classSoundFile(string filename);//this is the constructor
roryhand 1:aac37edee302 147 //string filename;
roryhand 0:e89d7a0bfa3b 148 };
roryhand 0:e89d7a0bfa3b 149
roryhand 1:aac37edee302 150 //class constructor;
roryhand 1:aac37edee302 151 /*classSoundFile::classSoundFile(string filename)
roryhand 1:aac37edee302 152 {
roryhand 1:aac37edee302 153 //Declare RootFolder and the directory for the appropriate file.
roryhand 1:aac37edee302 154 //How we index into filename[] from the outside of this class is another
roryhand 1:aac37edee302 155 //issue...
roryhand 1:aac37edee302 156 FileInfo.WavFile = fopen("/sd/mydir/645Engine/Startup.wav","rb");
roryhand 1:aac37edee302 157 fseek(FileInfo.WavFile,20,SEEK_SET);
roryhand 1:aac37edee302 158 fread(&FileInfo.FileFormat,sizeof(FileInfo.FileFormat),1,FileInfo.WavFile);
roryhand 1:aac37edee302 159 printf("wav_format.sample_rate: %d\n\r",FileInfo.FileFormat.sample_rate);
roryhand 1:aac37edee302 160 fread(&FileInfo.FileData,sizeof(FileInfo.FileData),1,FileInfo.WavFile);
roryhand 1:aac37edee302 161 printf("wav_data.subchunk2_size: %d\n\r",FileInfo.FileData.subchunk2_size);
roryhand 1:aac37edee302 162 FileInfo.slice_buf = ( char *)malloc(FileInfo.FileFormat.block_align);
roryhand 1:aac37edee302 163 fread(FileInfo.slice_buf,FileInfo.FileFormat.block_align,1,FileInfo.WavFile); //This isnt actually required, its just a test
roryhand 1:aac37edee302 164 FileInfo.num_slices = FileInfo.FileData.subchunk2_size/FileInfo.FileFormat.block_align;
roryhand 1:aac37edee302 165 }*/
roryhand 1:aac37edee302 166
roryhand 0:e89d7a0bfa3b 167
roryhand 0:e89d7a0bfa3b 168 int i = 0;
roryhand 0:e89d7a0bfa3b 169 int h = 0;
roryhand 0:e89d7a0bfa3b 170 short bufflen = 1;
roryhand 0:e89d7a0bfa3b 171 int buffer[1];
roryhand 1:aac37edee302 172 int AudioFormat, NumChannels, SampleRate, BitsPerSample ;
roryhand 0:e89d7a0bfa3b 173 char *slice_buf;
roryhand 0:e89d7a0bfa3b 174 short *data_sptr;
roryhand 0:e89d7a0bfa3b 175 short *data_sptr_horn;
roryhand 0:e89d7a0bfa3b 176 short *data_sptr_IdleN2;
roryhand 0:e89d7a0bfa3b 177 short * data_sptr_bell;
roryhand 0:e89d7a0bfa3b 178 short * data_sptr_N2;
roryhand 0:e89d7a0bfa3b 179 short * data_sptr_Flange;
roryhand 0:e89d7a0bfa3b 180 unsigned char *data_bptr;
roryhand 0:e89d7a0bfa3b 181 int *data_wptr;
roryhand 0:e89d7a0bfa3b 182 unsigned channel;
roryhand 0:e89d7a0bfa3b 183 long slice, num_slices;
roryhand 0:e89d7a0bfa3b 184 int verbosity = 0;
roryhand 0:e89d7a0bfa3b 185 int verbosity2 = 0;
roryhand 0:e89d7a0bfa3b 186 int verbosity3 = 0;
roryhand 0:e89d7a0bfa3b 187 int verbosity4 = 0;
roryhand 0:e89d7a0bfa3b 188 int verbosity5 = 0;
roryhand 0:e89d7a0bfa3b 189 int interrupt_condition = 1;
roryhand 0:e89d7a0bfa3b 190 int sampling_freq = 11025;
roryhand 0:e89d7a0bfa3b 191 const int BufferLen = 2000;
roryhand 0:e89d7a0bfa3b 192 short Buffer1[BufferLen];
roryhand 0:e89d7a0bfa3b 193 short Buffer2[BufferLen];
roryhand 0:e89d7a0bfa3b 194 short place_hold1 = 0;
roryhand 0:e89d7a0bfa3b 195 short place_hold2 = 0;
roryhand 0:e89d7a0bfa3b 196
roryhand 3:6169aeeaeeb4 197
roryhand 3:6169aeeaeeb4 198 string FOLDER;
roryhand 3:6169aeeaeeb4 199 string RootFolder = "/sd/mydir/SoundDecoder/";
roryhand 3:6169aeeaeeb4 200 string filename[25];
roryhand 3:6169aeeaeeb4 201 classSoundFile Sound[22];
roryhand 3:6169aeeaeeb4 202
roryhand 0:e89d7a0bfa3b 203 volatile int flag1 = 1;
roryhand 0:e89d7a0bfa3b 204 volatile int flag2 = 0;
roryhand 0:e89d7a0bfa3b 205 volatile int flag3 = 1;
roryhand 0:e89d7a0bfa3b 206 volatile int flag4 = 0;
roryhand 0:e89d7a0bfa3b 207 int FLAGBUFF1 = 0;
roryhand 0:e89d7a0bfa3b 208 int FLAGBUFF2 = 0;
roryhand 0:e89d7a0bfa3b 209 int BellFlag = 0;
roryhand 0:e89d7a0bfa3b 210 int BellFlag2 = 0;
roryhand 0:e89d7a0bfa3b 211 int FadeFlag = 0;
roryhand 0:e89d7a0bfa3b 212 int DualEngineFlag = 0;
roryhand 0:e89d7a0bfa3b 213
roryhand 0:e89d7a0bfa3b 214
roryhand 0:e89d7a0bfa3b 215 short value[1];
roryhand 0:e89d7a0bfa3b 216 FILE *HornWav;
roryhand 0:e89d7a0bfa3b 217 FILE *edsheeran_wav;
roryhand 0:e89d7a0bfa3b 218 FILE *Startup_wav;
roryhand 0:e89d7a0bfa3b 219 FILE *IdleN2Wav;
roryhand 0:e89d7a0bfa3b 220 FILE *N2Wav;
roryhand 0:e89d7a0bfa3b 221 FILE *BellWav;
roryhand 0:e89d7a0bfa3b 222 FILE *FlangeWav;
roryhand 16:5e3420d0509b 223 FILE *HeyWav;
roryhand 0:e89d7a0bfa3b 224 //long long slice_value;
roryhand 0:e89d7a0bfa3b 225 int slice_value[1];
roryhand 0:e89d7a0bfa3b 226
roryhand 0:e89d7a0bfa3b 227
roryhand 0:e89d7a0bfa3b 228 WAV_FILE_STRUCT WavInfo_Horn;
roryhand 0:e89d7a0bfa3b 229 WAV_FILE_STRUCT WavInfo_IdleN2;
roryhand 0:e89d7a0bfa3b 230 WAV_FILE_STRUCT WavInfo_N2;
roryhand 0:e89d7a0bfa3b 231 WAV_FILE_STRUCT WavInfo_Bell;
roryhand 0:e89d7a0bfa3b 232 WAV_FILE_STRUCT WavInfo_Flange;
roryhand 20:9cc7d825c07b 233 WAV_FILE_STRUCT WavInfo_Hey;
roryhand 16:5e3420d0509b 234 WAV_FILE_STRUCT WavInfo_Frustration;
roryhand 0:e89d7a0bfa3b 235 Ticker flipper;
roryhand 0:e89d7a0bfa3b 236 char * slice_buf_bell;
roryhand 0:e89d7a0bfa3b 237 char * slice_buf_ed;
roryhand 0:e89d7a0bfa3b 238 char * slice_buf_startup;
roryhand 0:e89d7a0bfa3b 239 char * slice_buf_N2;
roryhand 1:aac37edee302 240 Notch_STRUCT NotchingSet;
roryhand 0:e89d7a0bfa3b 241 //test
roryhand 0:e89d7a0bfa3b 242 //short *data_sptr_bell = 0;
roryhand 0:e89d7a0bfa3b 243 short *data_sptr_ed = 0;
roryhand 0:e89d7a0bfa3b 244 short *data_sptr_startup = 0;
roryhand 1:aac37edee302 245 void flip()
roryhand 1:aac37edee302 246 {
roryhand 0:e89d7a0bfa3b 247 led2 = !led2;
roryhand 0:e89d7a0bfa3b 248 }
roryhand 0:e89d7a0bfa3b 249
roryhand 0:e89d7a0bfa3b 250
roryhand 0:e89d7a0bfa3b 251 void isr()
roryhand 0:e89d7a0bfa3b 252 {
roryhand 1:aac37edee302 253 if(flag1 == 0) {
roryhand 0:e89d7a0bfa3b 254 value[0] = Buffer1[place_hold1]>>4;
roryhand 0:e89d7a0bfa3b 255 i2s.write(value,1);//Send next PWM value to amp
roryhand 0:e89d7a0bfa3b 256 place_hold1 = place_hold1 + 1;
roryhand 1:aac37edee302 257 if( (place_hold1 >= BufferLen)) {
roryhand 0:e89d7a0bfa3b 258 led2 = !led2;
roryhand 0:e89d7a0bfa3b 259 place_hold1 = 0;
roryhand 0:e89d7a0bfa3b 260 place_hold2 = 0;
roryhand 0:e89d7a0bfa3b 261 flag1 = 1;
roryhand 0:e89d7a0bfa3b 262 flag2 = 0;
roryhand 1:aac37edee302 263 }
roryhand 1:aac37edee302 264 } else if(flag2 == 0) {
roryhand 0:e89d7a0bfa3b 265 value[0] = Buffer2[place_hold2]>>4;
roryhand 0:e89d7a0bfa3b 266 i2s.write(value,1);//Send next PWM value to amp
roryhand 0:e89d7a0bfa3b 267 place_hold2 = place_hold2 + 1;
roryhand 1:aac37edee302 268 if( (place_hold2 >= BufferLen) ) {
roryhand 0:e89d7a0bfa3b 269 led2 = !led2;
roryhand 0:e89d7a0bfa3b 270 place_hold1 = 0;
roryhand 0:e89d7a0bfa3b 271 place_hold2 = 0;
roryhand 0:e89d7a0bfa3b 272 flag1 = 0;
roryhand 1:aac37edee302 273 flag2 = 1;
roryhand 0:e89d7a0bfa3b 274 FLAGBUFF2 = 0;
roryhand 1:aac37edee302 275 }
roryhand 0:e89d7a0bfa3b 276 }
roryhand 0:e89d7a0bfa3b 277 }
roryhand 1:aac37edee302 278
roryhand 0:e89d7a0bfa3b 279 void horn_sound()
roryhand 0:e89d7a0bfa3b 280 {
roryhand 0:e89d7a0bfa3b 281 BellFlag = 1;
roryhand 0:e89d7a0bfa3b 282 fseek(HornWav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 283 fseek(BellWav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 284 fseek(FlangeWav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 285 fseek(N2Wav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 286 }
roryhand 0:e89d7a0bfa3b 287
roryhand 0:e89d7a0bfa3b 288
roryhand 0:e89d7a0bfa3b 289 void N2SoundIsr()
roryhand 0:e89d7a0bfa3b 290 {
roryhand 0:e89d7a0bfa3b 291 DualEngineFlag = 1;
roryhand 0:e89d7a0bfa3b 292 fseek(N2Wav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 293 fseek(HornWav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 294 //TickFadeOut.detach(&N2SoundIsr);//,5.0);
roryhand 0:e89d7a0bfa3b 295 }
roryhand 0:e89d7a0bfa3b 296
roryhand 0:e89d7a0bfa3b 297
roryhand 0:e89d7a0bfa3b 298 void FadeOutIsr()
roryhand 0:e89d7a0bfa3b 299 {
roryhand 1:aac37edee302 300 FadeFlag = 1;
roryhand 1:aac37edee302 301 fseek(IdleN2Wav,44,SEEK_SET);
roryhand 1:aac37edee302 302 fseek(N2Wav,44,SEEK_SET);
roryhand 1:aac37edee302 303 fseek(HornWav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 304 fseek(FlangeWav,44,SEEK_SET);
roryhand 1:aac37edee302 305
roryhand 0:e89d7a0bfa3b 306 }
roryhand 0:e89d7a0bfa3b 307
roryhand 3:6169aeeaeeb4 308 classFade FadeDataInitialise(classFade FadeData);
roryhand 3:6169aeeaeeb4 309
roryhand 3:6169aeeaeeb4 310
roryhand 3:6169aeeaeeb4 311
roryhand 3:6169aeeaeeb4 312
roryhand 3:6169aeeaeeb4 313
roryhand 3:6169aeeaeeb4 314 //function prototypes
roryhand 3:6169aeeaeeb4 315 WAV_FILE_STRUCT ReadFileInfo(WAV_FILE_STRUCT FileInfo, FILE * wav_file);
roryhand 3:6169aeeaeeb4 316 classSoundFile LoadFileStream(classSoundFile FileInfo, string filename);
roryhand 3:6169aeeaeeb4 317
roryhand 3:6169aeeaeeb4 318 float FadeOut(void);
roryhand 3:6169aeeaeeb4 319 void Play_WaveFile(FILE * my_wav, WAV_FILE_STRUCT FileInfo);
roryhand 3:6169aeeaeeb4 320 //void Play_WaveFileLoop(FILE * my_wav, WAV_FILE_STRUCT FileInfo);
roryhand 3:6169aeeaeeb4 321 //*********************INTERRUPT ROUTINE FOR NOTCHING***************************
roryhand 0:e89d7a0bfa3b 322
roryhand 1:aac37edee302 323 void NotchUpIsr()
roryhand 0:e89d7a0bfa3b 324 {
roryhand 1:aac37edee302 325 if(1 <= NotchingSet.Notch < 8) {
roryhand 1:aac37edee302 326
roryhand 1:aac37edee302 327 NotchingSet.Notch = NotchingSet.Notch + 1;
roryhand 1:aac37edee302 328 NotchingSet.NotchTransUp = NotchingSet.Notch + 7;
roryhand 1:aac37edee302 329 NotchingSet.NotchDirection = 1;
roryhand 3:6169aeeaeeb4 330 FadeDataInitialise(NotchFadeIn);
roryhand 3:6169aeeaeeb4 331 FadeDataInitialise(NotchFadeOut);
roryhand 1:aac37edee302 332 }
roryhand 0:e89d7a0bfa3b 333 }
roryhand 0:e89d7a0bfa3b 334
roryhand 0:e89d7a0bfa3b 335 void NotchDownIsr()
roryhand 0:e89d7a0bfa3b 336 {
roryhand 1:aac37edee302 337 if(1 < NotchingSet.Notch <= 8) {
roryhand 1:aac37edee302 338 NotchingSet.Notch = NotchingSet.Notch - 1;
roryhand 1:aac37edee302 339 NotchingSet.NotchTransDown = NotchingSet.Notch + 15;;
roryhand 1:aac37edee302 340 NotchingSet.NotchDirection = 0;
roryhand 3:6169aeeaeeb4 341 FadeDataInitialise(NotchFadeIn);
roryhand 3:6169aeeaeeb4 342 FadeDataInitialise(NotchFadeOut);
roryhand 1:aac37edee302 343 }
roryhand 1:aac37edee302 344 }
roryhand 0:e89d7a0bfa3b 345
roryhand 0:e89d7a0bfa3b 346
roryhand 3:6169aeeaeeb4 347 /**********************END OF INTERRUPT ROUTINE FOR NOTCHING*******************/
roryhand 3:6169aeeaeeb4 348
roryhand 3:6169aeeaeeb4 349
roryhand 1:aac37edee302 350
roryhand 0:e89d7a0bfa3b 351
roryhand 3:6169aeeaeeb4 352
roryhand 3:6169aeeaeeb4 353
roryhand 9:dd9cae06b202 354 void Play_WaveFileLoop(classSoundFile Sounds[], Notch_STRUCT NotchingSet);
roryhand 1:aac37edee302 355 int main()
roryhand 1:aac37edee302 356 {
roryhand 0:e89d7a0bfa3b 357 //LocalFileSystem local("local");
roryhand 0:e89d7a0bfa3b 358 NotchUp.mode(PullUp);
roryhand 0:e89d7a0bfa3b 359
roryhand 0:e89d7a0bfa3b 360
roryhand 0:e89d7a0bfa3b 361 WAV_FILE_STRUCT WavInfo_Startup;
roryhand 0:e89d7a0bfa3b 362 WAV_FILE_STRUCT WavInfo_Idle;
roryhand 0:e89d7a0bfa3b 363
roryhand 0:e89d7a0bfa3b 364 pc.printf("Beginning of program\n");
roryhand 0:e89d7a0bfa3b 365 FILE *StartupWav;
roryhand 0:e89d7a0bfa3b 366 FILE *IdleWav;
roryhand 1:aac37edee302 367
roryhand 3:6169aeeaeeb4 368
roryhand 0:e89d7a0bfa3b 369 DIR *dir;
roryhand 23:49c10427a1cd 370 dirent *ent;
roryhand 0:e89d7a0bfa3b 371 int iterator = 0;
roryhand 13:8e93396a27c5 372
roryhand 13:8e93396a27c5 373
roryhand 13:8e93396a27c5 374
roryhand 13:8e93396a27c5 375
roryhand 3:6169aeeaeeb4 376 printf("Directory is about to be opened? Still dont really Get this concept\n\r");
roryhand 3:6169aeeaeeb4 377 //if i try to open folder SoundDecoder2, it gets stuck after file 13... WHY
roryhand 3:6169aeeaeeb4 378 if ((dir = opendir ("/sd/mydir/SoundDecoder_second")) != NULL) {
roryhand 1:aac37edee302 379
roryhand 0:e89d7a0bfa3b 380 // print all the files and directories within directory
roryhand 1:aac37edee302 381 while ((ent = readdir (dir)) != NULL) {
roryhand 3:6169aeeaeeb4 382 //printf("%s\r\n",string(ent->d_name));
roryhand 3:6169aeeaeeb4 383 filename[iterator] = (ent->d_name);
roryhand 23:49c10427a1cd 384 printf("Filename: %s\n\r",filename[iterator]);
roryhand 0:e89d7a0bfa3b 385 //printf("%s\r\n",filename[iterator]);
roryhand 0:e89d7a0bfa3b 386 iterator = iterator + 1;
roryhand 0:e89d7a0bfa3b 387 //printf("%s\r\n", ent->d_name);
roryhand 1:aac37edee302 388 //filenames.push_back(string(dirp->d_name));
roryhand 0:e89d7a0bfa3b 389 }
roryhand 0:e89d7a0bfa3b 390 closedir (dir);
roryhand 1:aac37edee302 391 }
roryhand 1:aac37edee302 392
roryhand 1:aac37edee302 393
roryhand 1:aac37edee302 394
roryhand 27:a378f1f937ee 395 timer_open.reset();
roryhand 27:a378f1f937ee 396 timer_open.start();
roryhand 9:dd9cae06b202 397 StartupWav = fopen("/sd/mydir/Startup.wav","rb");
roryhand 27:a378f1f937ee 398 timer_open.reset();
roryhand 27:a378f1f937ee 399 printf("It took %d useconds to open file\n\r",timer_open.read_us());
roryhand 3:6169aeeaeeb4 400 //const char* folder2 = folder.c_str();
roryhand 27:a378f1f937ee 401 timer_open.reset();
roryhand 27:a378f1f937ee 402 timer_open.start();
roryhand 27:a378f1f937ee 403 fclose(StartupWav);
roryhand 27:a378f1f937ee 404 timer_open.stop();
roryhand 27:a378f1f937ee 405 printf("It took %d useconds to close file\n\r",timer_open.read_us());
roryhand 27:a378f1f937ee 406
roryhand 27:a378f1f937ee 407
roryhand 1:aac37edee302 408 string FileName;
roryhand 1:aac37edee302 409 //vector <classSoundFile> Sound (27);
roryhand 3:6169aeeaeeb4 410 const char* FOLDER;
roryhand 13:8e93396a27c5 411
roryhand 13:8e93396a27c5 412
roryhand 10:ce38f2e9e80e 413 int aaa = 0;
roryhand 10:ce38f2e9e80e 414 string folder = RootFolder + filename[0];
roryhand 10:ce38f2e9e80e 415 FOLDER = folder.c_str();
roryhand 28:6b2353fad12d 416
roryhand 12:e386150cefd3 417 WAV_FILE_STRUCT WavStruct21;
roryhand 12:e386150cefd3 418 WAV_FILE_STRUCT WavStruct22;
roryhand 28:6b2353fad12d 419
roryhand 13:8e93396a27c5 420
roryhand 13:8e93396a27c5 421
roryhand 13:8e93396a27c5 422
roryhand 28:6b2353fad12d 423
roryhand 28:6b2353fad12d 424
roryhand 25:5336e1cf38d6 425
roryhand 25:5336e1cf38d6 426
roryhand 28:6b2353fad12d 427 HeyWav = fopen("/sd/mydir/645Engine/EX_FlangeJoint1_11k_minus12dB.wav","rb");
roryhand 26:82a31e2bafd0 428 if(HeyWav == NULL){
roryhand 27:a378f1f937ee 429 printf("Cannot Open HeyWav\n\r");
roryhand 26:82a31e2bafd0 430 }
roryhand 28:6b2353fad12d 431
roryhand 13:8e93396a27c5 432
roryhand 27:a378f1f937ee 433
roryhand 27:a378f1f937ee 434
roryhand 22:706e86dc0d45 435 printf("About to Read HeyWav\n\r");
roryhand 28:6b2353fad12d 436
roryhand 27:a378f1f937ee 437
roryhand 27:a378f1f937ee 438
roryhand 25:5336e1cf38d6 439 WavInfo_Hey = ReadFileInfo(WavInfo_Hey,HeyWav);
roryhand 28:6b2353fad12d 440
roryhand 13:8e93396a27c5 441
roryhand 13:8e93396a27c5 442
roryhand 4:55fbbb049bae 443
roryhand 25:5336e1cf38d6 444 printf("Do we even get to this stupid bloody point\n\r");
roryhand 0:e89d7a0bfa3b 445 //Populate our class instances with some data (is there an implicit way to do this?)
roryhand 28:6b2353fad12d 446
roryhand 1:aac37edee302 447
roryhand 3:6169aeeaeeb4 448 printf("hello\n\r");
roryhand 0:e89d7a0bfa3b 449 //Set up the wolfson Audio Codec board
roryhand 0:e89d7a0bfa3b 450 wm8731_Config_setup();
roryhand 0:e89d7a0bfa3b 451 //i2s audio data transfer code??
roryhand 0:e89d7a0bfa3b 452 i2s.stereomono(I2S_STEREO);
roryhand 0:e89d7a0bfa3b 453 i2s.masterslave(I2S_MASTER);
roryhand 0:e89d7a0bfa3b 454 led3 = 1;
roryhand 0:e89d7a0bfa3b 455 led2 = 1;
roryhand 30:4a8e80b243c4 456 printf("Hello i2s has starrted!");
roryhand 30:4a8e80b243c4 457 i2s.start();
roryhand 0:e89d7a0bfa3b 458 sampletick.attach(&isr,1.0/sampling_freq); //1/16000
roryhand 1:aac37edee302 459
roryhand 30:4a8e80b243c4 460 StartupWav = fopen("/sd/mydir/Startup.wav","rb");
roryhand 28:6b2353fad12d 461 fseek(StartupWav,44,SEEK_SET);
roryhand 28:6b2353fad12d 462 WavInfo_Startup = ReadFileInfo(WavInfo_Startup,StartupWav);
roryhand 13:8e93396a27c5 463
roryhand 20:9cc7d825c07b 464 printf("about to play wav file\n\r");
roryhand 28:6b2353fad12d 465 Play_WaveFile(StartupWav,WavInfo_Startup);
roryhand 20:9cc7d825c07b 466 printf("finished playing Wav file\n\r");
roryhand 9:dd9cae06b202 467 /************************************PLAY WAV FILE LOOP*******************/
roryhand 20:9cc7d825c07b 468 //Play_WaveFileLoop(Sound, NotchingSet);
roryhand 9:dd9cae06b202 469 /************************************END OF PLAY WAV FILE LOOP*************/
roryhand 13:8e93396a27c5 470
roryhand 13:8e93396a27c5 471
roryhand 13:8e93396a27c5 472
roryhand 9:dd9cae06b202 473
roryhand 3:6169aeeaeeb4 474
roryhand 0:e89d7a0bfa3b 475 fseek(IdleN2Wav,44,SEEK_SET);//reset for use in the Loop code
roryhand 0:e89d7a0bfa3b 476 slice = 0;
roryhand 0:e89d7a0bfa3b 477 fseek(IdleWav,44,SEEK_SET);
roryhand 3:6169aeeaeeb4 478 NotchingSet.Notch = 1;
roryhand 1:aac37edee302 479 //Play_WaveFileLoop(IdleWav, WavInfo_Idle);
roryhand 1:aac37edee302 480
roryhand 1:aac37edee302 481 i2s.stop();
roryhand 0:e89d7a0bfa3b 482
roryhand 0:e89d7a0bfa3b 483 }
roryhand 0:e89d7a0bfa3b 484
roryhand 0:e89d7a0bfa3b 485
roryhand 3:6169aeeaeeb4 486
roryhand 3:6169aeeaeeb4 487
roryhand 3:6169aeeaeeb4 488
roryhand 3:6169aeeaeeb4 489
roryhand 0:e89d7a0bfa3b 490 WAV_FILE_STRUCT ReadFileInfo(WAV_FILE_STRUCT FileInfo, FILE * wav_file)
roryhand 0:e89d7a0bfa3b 491 {
roryhand 0:e89d7a0bfa3b 492 fseek(wav_file,20,SEEK_SET);
roryhand 22:706e86dc0d45 493 printf("We have just seeked through this file\n\r");
roryhand 0:e89d7a0bfa3b 494 fread(&FileInfo.FileFormat,sizeof(FileInfo.FileFormat),1,wav_file);
roryhand 1:aac37edee302 495 //printf("wav_format.sample_rate: %d\n\r",FileInfo.FileFormat.sample_rate);
roryhand 1:aac37edee302 496
roryhand 0:e89d7a0bfa3b 497 fread(&FileInfo.FileData,sizeof(FileInfo.FileData),1,wav_file);
roryhand 1:aac37edee302 498 //printf("wav_data.subchunk2_size: %d\n\r",FileInfo.FileData.subchunk2_size);
roryhand 0:e89d7a0bfa3b 499 FileInfo.slice_buf = ( char *)malloc(FileInfo.FileFormat.block_align);
roryhand 0:e89d7a0bfa3b 500 fread(FileInfo.slice_buf,FileInfo.FileFormat.block_align,1,wav_file); //This isnt actually required, its just a test
roryhand 1:aac37edee302 501 FileInfo.num_slices = FileInfo.FileData.subchunk2_size/FileInfo.FileFormat.block_align;
roryhand 1:aac37edee302 502 //printf("Number of Slices: %d\n\r",FileInfo.num_slices);
roryhand 1:aac37edee302 503 return FileInfo;
roryhand 0:e89d7a0bfa3b 504 }
roryhand 1:aac37edee302 505
roryhand 1:aac37edee302 506 classSoundFile LoadFileStream(classSoundFile Sound, string filename)
roryhand 1:aac37edee302 507 {
roryhand 1:aac37edee302 508 //Declare RootFolder and the directory for the appropriate file.
roryhand 1:aac37edee302 509 //How we index into filename[] from the outside of this class is another
roryhand 1:aac37edee302 510 //issue...
roryhand 1:aac37edee302 511 //printf("FileName: %s\n\r",filename);
roryhand 1:aac37edee302 512 //string RootFolder = "/sd/mydir/SoundDecoder/";
roryhand 1:aac37edee302 513 //string Directory = RootFolder + "01.wav";// + filename[0];
roryhand 1:aac37edee302 514 //printf("%s\n\r",Directory);
roryhand 1:aac37edee302 515 //const char* DirectoryChar = Directory.c_str();
roryhand 1:aac37edee302 516 //Sound.FileInfo.WavFile = fopen(DirectoryChar,"rb");
roryhand 1:aac37edee302 517 Sound.FileInfo.WavFile = fopen("/sd/mydir/645Engine/Startup.wav","rb");
roryhand 1:aac37edee302 518 fseek(Sound.FileInfo.WavFile,20,SEEK_SET);
roryhand 1:aac37edee302 519 fread(&Sound.FileInfo.FileFormat,sizeof(Sound.FileInfo.FileFormat),1,Sound.FileInfo.WavFile);
roryhand 1:aac37edee302 520 printf("wav_format.sample_rate: %d\n\r",Sound.FileInfo.FileFormat.sample_rate);
roryhand 1:aac37edee302 521 fread(&Sound.FileInfo.FileData,sizeof(Sound.FileInfo.FileData),1,Sound.FileInfo.WavFile);
roryhand 1:aac37edee302 522 printf("wav_data.subchunk2_size: %d\n\r",Sound.FileInfo.FileData.subchunk2_size);
roryhand 1:aac37edee302 523 Sound.FileInfo.slice_buf = ( char *)malloc(Sound.FileInfo.FileFormat.block_align);
roryhand 1:aac37edee302 524 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 525 Sound.FileInfo.num_slices = Sound.FileInfo.FileData.subchunk2_size/Sound.FileInfo.FileFormat.block_align;
roryhand 1:aac37edee302 526 printf("Number of Slices: %d\n\r",Sound.FileInfo.num_slices);
roryhand 1:aac37edee302 527 return Sound;
roryhand 1:aac37edee302 528 }
roryhand 1:aac37edee302 529
roryhand 1:aac37edee302 530
roryhand 0:e89d7a0bfa3b 531 classFade FadeDataInitialise(classFade FadeData)
roryhand 0:e89d7a0bfa3b 532 {
roryhand 1:aac37edee302 533 FadeData.DecayFactor = 1.3;
roryhand 0:e89d7a0bfa3b 534 FadeData.FadeIteration = 1;
roryhand 0:e89d7a0bfa3b 535 //FadeData.Denom = 11025*FadeData.DecayFactor;
roryhand 0:e89d7a0bfa3b 536 FadeData.Denom = 11025*FadeData.DecayFactor;
roryhand 0:e89d7a0bfa3b 537 FadeData.Natural_Exp = 2.7183;
roryhand 0:e89d7a0bfa3b 538 FadeData.Length = 11025*FadeData.LengthSecs;
roryhand 0:e89d7a0bfa3b 539 //FadeData.Natural_Exp = 2.7;
roryhand 0:e89d7a0bfa3b 540 return FadeData;
roryhand 0:e89d7a0bfa3b 541 }
roryhand 0:e89d7a0bfa3b 542
roryhand 0:e89d7a0bfa3b 543 //Playing Files Code
roryhand 0:e89d7a0bfa3b 544 /*float FadeIn(void)
roryhand 0:e89d7a0bfa3b 545 {
roryhand 0:e89d7a0bfa3b 546 powervalFadeIn = FadeIterationIn/denom;
roryhand 0:e89d7a0bfa3b 547 FadeCoeffFadeIn
roryhand 1:aac37edee302 548
roryhand 1:aac37edee302 549
roryhand 0:e89d7a0bfa3b 550 }*/
roryhand 0:e89d7a0bfa3b 551 /*float FadeOut(void)
roryhand 0:e89d7a0bfa3b 552 {
roryhand 0:e89d7a0bfa3b 553 powerval = -FadeIteration/denom;
roryhand 0:e89d7a0bfa3b 554 FadeCoeff = pow(natural_exp,powerval);
roryhand 1:aac37edee302 555 FadeIteration = FadeIteration + 1;
roryhand 1:aac37edee302 556 return FadeCoeff;
roryhand 1:aac37edee302 557
roryhand 0:e89d7a0bfa3b 558 }*/
roryhand 0:e89d7a0bfa3b 559
roryhand 0:e89d7a0bfa3b 560
roryhand 0:e89d7a0bfa3b 561 void Play_WaveFile(FILE * my_wav, WAV_FILE_STRUCT FileInfo)
roryhand 0:e89d7a0bfa3b 562 {
roryhand 1:aac37edee302 563 while(slice<FileInfo.num_slices) {
roryhand 1:aac37edee302 564 fread(FileInfo.slice_buf,FileInfo.FileFormat.block_align,1,my_wav);
roryhand 1:aac37edee302 565 data_sptr=(short *)FileInfo.slice_buf; // 16 bit samples
roryhand 1:aac37edee302 566 for (channel=0; channel<FileInfo.FileFormat.num_channels; channel++) {
roryhand 1:aac37edee302 567 if(flag1 == 1) {
roryhand 1:aac37edee302 568 Buffer1[place_hold1] = data_sptr[channel];
roryhand 1:aac37edee302 569 place_hold1 = place_hold1 + 1;
roryhand 1:aac37edee302 570 if(place_hold1 >= BufferLen) {
roryhand 1:aac37edee302 571 while(1) {
roryhand 1:aac37edee302 572 if(flag1 == 0) {
roryhand 0:e89d7a0bfa3b 573
roryhand 1:aac37edee302 574 break;
roryhand 0:e89d7a0bfa3b 575 }
roryhand 1:aac37edee302 576
roryhand 0:e89d7a0bfa3b 577 }
roryhand 1:aac37edee302 578 }
roryhand 1:aac37edee302 579
roryhand 1:aac37edee302 580 } else if(flag2 == 1) {
roryhand 1:aac37edee302 581 Buffer2[place_hold2] = data_sptr[channel];
roryhand 1:aac37edee302 582 place_hold2 = place_hold2 + 1;
roryhand 1:aac37edee302 583 if(place_hold2 >= BufferLen) {
roryhand 1:aac37edee302 584
roryhand 1:aac37edee302 585 while(1) {
roryhand 1:aac37edee302 586 if(flag2 == 0) {
roryhand 1:aac37edee302 587
roryhand 1:aac37edee302 588 break;
roryhand 1:aac37edee302 589 }
roryhand 0:e89d7a0bfa3b 590 }
roryhand 1:aac37edee302 591 }
roryhand 0:e89d7a0bfa3b 592 }
roryhand 1:aac37edee302 593
roryhand 1:aac37edee302 594 }
roryhand 1:aac37edee302 595 slice = slice + 1;
roryhand 0:e89d7a0bfa3b 596 }
roryhand 0:e89d7a0bfa3b 597 }
roryhand 0:e89d7a0bfa3b 598
roryhand 0:e89d7a0bfa3b 599
roryhand 0:e89d7a0bfa3b 600
roryhand 0:e89d7a0bfa3b 601
roryhand 0:e89d7a0bfa3b 602
roryhand 0:e89d7a0bfa3b 603
roryhand 2:957d3b2afff4 604 //void Play_WaveFileLoop(FILE * my_wav, WAV_FILE_STRUCT FileInfo)//(classSoundFile Sounds)
roryhand 9:dd9cae06b202 605
roryhand 9:dd9cae06b202 606 void Play_WaveFileLoop(classSoundFile Sounds[], Notch_STRUCT NotchingSet)
roryhand 0:e89d7a0bfa3b 607 {
roryhand 1:aac37edee302 608 while(1) { //might have to change this to a while(1) loop?
roryhand 1:aac37edee302 609 //New format!! This should be (roughly) the way that this is done, with the new structures and classes
roryhand 1:aac37edee302 610 ////fread(Sound[Notch].FileData.slice_buf,Sound[Notch].FileFormat.block_align,1,Sound[notch].WavFile);
roryhand 1:aac37edee302 611 //data_sptr=(short *)Sound[Notch].FileInfo.slice_buf;
roryhand 1:aac37edee302 612
roryhand 0:e89d7a0bfa3b 613
roryhand 2:957d3b2afff4 614 if( slice == (Sounds[NotchingSet.Notch].FileInfo.num_slices-1) ) {
roryhand 1:aac37edee302 615 slice = 0;
roryhand 2:957d3b2afff4 616 fseek(Sounds[NotchingSet.Notch].FileInfo.WavFile,44,SEEK_SET);
roryhand 1:aac37edee302 617 }
roryhand 1:aac37edee302 618
roryhand 2:957d3b2afff4 619 //fread(FileInfo.slice_buf,FileInfo.FileFormat.block_align,1,my_wav);
roryhand 2:957d3b2afff4 620 data_sptr=(short *)Sounds[NotchingSet.Notch].FileInfo.slice_buf; // 16 bit samples
roryhand 2:957d3b2afff4 621 //make sure we are reading in the correct "notch" here
roryhand 2:957d3b2afff4 622
roryhand 2:957d3b2afff4 623 if(FadeFlag) {
roryhand 2:957d3b2afff4 624 if(feof(Sounds[NotchingSet.Notch].FileInfo.WavFile)) {
roryhand 2:957d3b2afff4 625 fseek(Sounds[NotchingSet.Notch].FileInfo.WavFile,44,SEEK_SET);
roryhand 2:957d3b2afff4 626 }
roryhand 3:6169aeeaeeb4 627
roryhand 2:957d3b2afff4 628 //Read in data for current (i.e. now the previous notch, according to the index!!)
roryhand 2:957d3b2afff4 629 //We might not need this code here...as its probably done somewhere else??
roryhand 2:957d3b2afff4 630 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 631 Sounds[NotchingSet.Notch-1].data_sptr = (short *)Sounds[NotchingSet.Notch-1].FileInfo.slice_buf;
roryhand 3:6169aeeaeeb4 632
roryhand 2:957d3b2afff4 633 NotchFadeOut.FadeCoeff = NotchFadeOut.FadeOut();//compute new FadeOut Coeff value
roryhand 2:957d3b2afff4 634
roryhand 2:957d3b2afff4 635 //Read in the notch transition file for transitioning up
roryhand 2:957d3b2afff4 636 fread(Sounds[NotchingSet.NotchTransUp].FileInfo.slice_buf,Sounds[NotchingSet.NotchTransUp].FileInfo.FileFormat.block_align,1,Sounds[NotchingSet.NotchTransUp].FileInfo.WavFile);
roryhand 2:957d3b2afff4 637 Sounds[NotchingSet.NotchTransUp].data_sptr = (short*)Sounds[NotchingSet.NotchTransUp].FileInfo.slice_buf;
roryhand 3:6169aeeaeeb4 638
roryhand 2:957d3b2afff4 639 if( ((Sounds[NotchingSet.NotchTransUp].FileInfo.FileData.subchunk2_size) - NotchFadeIn.Length - 2*11025) <= (ftell(Sounds[NotchingSet.NotchTransUp].FileInfo.WavFile) + 44))
roryhand 2:957d3b2afff4 640 //if( (WavInfo_IdleN2.FileData.subchunk2_size)/8 <=ftell(IdleN2Wav) )
roryhand 2:957d3b2afff4 641 {
roryhand 2:957d3b2afff4 642
roryhand 2:957d3b2afff4 643 NotchFadeIn.FadeCoeff = NotchFadeIn.FadeIn();
roryhand 3:6169aeeaeeb4 644
roryhand 2:957d3b2afff4 645 //Read In the next Notch
roryhand 2:957d3b2afff4 646 fread(Sounds[NotchingSet.Notch].FileInfo.slice_buf,Sounds[NotchingSet.Notch].FileInfo.FileFormat.block_align,1,Sounds[NotchingSet.Notch].FileInfo.WavFile);
roryhand 2:957d3b2afff4 647 Sounds[NotchingSet.Notch].data_sptr = (short *)Sounds[NotchingSet.Notch].FileInfo.slice_buf;
roryhand 2:957d3b2afff4 648
roryhand 2:957d3b2afff4 649 if( (ftell(Sounds[NotchingSet.NotchTransUp].FileInfo.WavFile) + 44) >= Sounds[NotchingSet.NotchTransUp].FileInfo.FileData.subchunk2_size ) {
roryhand 3:6169aeeaeeb4 650
roryhand 2:957d3b2afff4 651 //need to explicitly test if this notation/syntax works for pointers....
roryhand 2:957d3b2afff4 652 *Sounds[NotchingSet.Notch].data_sptr = *Sounds[NotchingSet.Notch].data_sptr*NotchFadeIn.FadeCoeff;
roryhand 2:957d3b2afff4 653 } else {
roryhand 2:957d3b2afff4 654 *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 655 }
roryhand 2:957d3b2afff4 656
roryhand 2:957d3b2afff4 657 } else {
roryhand 2:957d3b2afff4 658 *Sounds[NotchingSet.Notch-1].data_sptr = *Sounds[NotchingSet.Notch-1].data_sptr*NotchFadeOut.FadeCoeff + *Sounds[NotchingSet.NotchTransUp].data_sptr;
roryhand 2:957d3b2afff4 659 }
roryhand 2:957d3b2afff4 660
roryhand 1:aac37edee302 661 }
roryhand 1:aac37edee302 662
roryhand 1:aac37edee302 663
roryhand 3:6169aeeaeeb4 664 /********************END OF DATA ASSIGNMENT SECTION*************************************************/
roryhand 9:dd9cae06b202 665
roryhand 2:957d3b2afff4 666 for (channel=0; channel<Sounds[NotchingSet.Notch].FileInfo.FileFormat.num_channels; channel++) {
roryhand 2:957d3b2afff4 667 switch (Sounds[NotchingSet.Notch].FileInfo.FileFormat.sig_bps) {
roryhand 0:e89d7a0bfa3b 668 case 16:
roryhand 1:aac37edee302 669 if(flag1 == 1) {
roryhand 2:957d3b2afff4 670 Buffer1[place_hold1] = Sounds[NotchingSet.Notch].data_sptr[channel];
roryhand 1:aac37edee302 671 place_hold1 = place_hold1 + 1;
roryhand 1:aac37edee302 672 if(place_hold1 >= BufferLen) {
roryhand 1:aac37edee302 673 while(1) {
roryhand 1:aac37edee302 674 if(flag1 == 0) {
roryhand 1:aac37edee302 675 break;
roryhand 1:aac37edee302 676 }//if(flag1 == 0)
roryhand 1:aac37edee302 677
roryhand 1:aac37edee302 678
roryhand 1:aac37edee302 679 }//while(1)
roryhand 1:aac37edee302 680 }//if(place_hold1 > = BufferLen)
roryhand 0:e89d7a0bfa3b 681
roryhand 1:aac37edee302 682 } else if(flag2 == 1) {
roryhand 2:957d3b2afff4 683 Buffer2[place_hold2] = Sounds[NotchingSet.Notch].data_sptr[channel];
roryhand 1:aac37edee302 684 place_hold2 = place_hold2 + 1;
roryhand 1:aac37edee302 685 if(place_hold2 >= BufferLen) {
roryhand 1:aac37edee302 686 while(1) {
roryhand 1:aac37edee302 687
roryhand 1:aac37edee302 688 if(flag2 == 0) {
roryhand 1:aac37edee302 689 break;
roryhand 1:aac37edee302 690 }
roryhand 1:aac37edee302 691 }
roryhand 0:e89d7a0bfa3b 692 }
roryhand 1:aac37edee302 693
roryhand 1:aac37edee302 694 }
roryhand 0:e89d7a0bfa3b 695 }
roryhand 0:e89d7a0bfa3b 696 }
roryhand 0:e89d7a0bfa3b 697 slice = slice + 1;
roryhand 0:e89d7a0bfa3b 698 }
roryhand 0:e89d7a0bfa3b 699 }
roryhand 0:e89d7a0bfa3b 700
roryhand 0:e89d7a0bfa3b 701
roryhand 0:e89d7a0bfa3b 702
roryhand 0:e89d7a0bfa3b 703
roryhand 0:e89d7a0bfa3b 704
roryhand 0:e89d7a0bfa3b 705
roryhand 0:e89d7a0bfa3b 706
roryhand 9:dd9cae06b202 707