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@46:de390e45c2af, 2019-09-08 (annotated)

Committer:
roryhand
Date:
Sun Sep 08 20:13:09 2019 +0000
Revision:
46:de390e45c2af
Parent:
45:0e8e1f2ec5d2
Child:
47:9334a8f54997
WIP current iteration, still not quite working

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 37:a563899ac0df 14 #include <string>
roryhand 0:e89d7a0bfa3b 15 #include <stdlib.h>
roryhand 27:a378f1f937ee 16 #include <fstream>
roryhand 27:a378f1f937ee 17 #include <iostream>
roryhand 0:e89d7a0bfa3b 18 #include <vector>
roryhand 0:e89d7a0bfa3b 19 #include <string>
roryhand 0:e89d7a0bfa3b 20 #define sample_freq 11025
roryhand 1:aac37edee302 21 #pragma import __use_two_region_memory
roryhand 0:e89d7a0bfa3b 22 DigitalOut myled(LED1);
roryhand 0:e89d7a0bfa3b 23 DigitalOut led2(LED2);
roryhand 0:e89d7a0bfa3b 24 DigitalOut led3(LED3);
roryhand 0:e89d7a0bfa3b 25 DigitalIn NotchUp(p16);
roryhand 38:3b4c05af5f36 26 DigitalIn NotchDown(p17);//check the pin!!! Dont know if this will actually work...
roryhand 0:e89d7a0bfa3b 27 InterruptIn Horn(p16);
roryhand 0:e89d7a0bfa3b 28 Ticker sampletick;
roryhand 45:0e8e1f2ec5d2 29
roryhand 0:e89d7a0bfa3b 30 Ticker TickFadeOut;
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 44:a9e84d333a6a 143 //add a class constructor at some point in the future (perform tests in visual studio)
roryhand 1:aac37edee302 144 WAV_FILE_STRUCT FileInfo;
roryhand 2:957d3b2afff4 145 short * data_sptr;
roryhand 36:569ec4335f92 146 string file_location;
roryhand 1:aac37edee302 147 //classSoundFile(string filename);//this is the constructor
roryhand 1:aac37edee302 148 //string filename;
roryhand 0:e89d7a0bfa3b 149 };
roryhand 0:e89d7a0bfa3b 150
roryhand 1:aac37edee302 151 //class constructor;
roryhand 1:aac37edee302 152 /*classSoundFile::classSoundFile(string filename)
roryhand 1:aac37edee302 153 {
roryhand 1:aac37edee302 154 //Declare RootFolder and the directory for the appropriate file.
roryhand 1:aac37edee302 155 //How we index into filename[] from the outside of this class is another
roryhand 1:aac37edee302 156 //issue...
roryhand 1:aac37edee302 157 FileInfo.WavFile = fopen("/sd/mydir/645Engine/Startup.wav","rb");
roryhand 1:aac37edee302 158 fseek(FileInfo.WavFile,20,SEEK_SET);
roryhand 1:aac37edee302 159 fread(&FileInfo.FileFormat,sizeof(FileInfo.FileFormat),1,FileInfo.WavFile);
roryhand 1:aac37edee302 160 printf("wav_format.sample_rate: %d\n\r",FileInfo.FileFormat.sample_rate);
roryhand 1:aac37edee302 161 fread(&FileInfo.FileData,sizeof(FileInfo.FileData),1,FileInfo.WavFile);
roryhand 1:aac37edee302 162 printf("wav_data.subchunk2_size: %d\n\r",FileInfo.FileData.subchunk2_size);
roryhand 1:aac37edee302 163 FileInfo.slice_buf = ( char *)malloc(FileInfo.FileFormat.block_align);
roryhand 1:aac37edee302 164 fread(FileInfo.slice_buf,FileInfo.FileFormat.block_align,1,FileInfo.WavFile); //This isnt actually required, its just a test
roryhand 1:aac37edee302 165 FileInfo.num_slices = FileInfo.FileData.subchunk2_size/FileInfo.FileFormat.block_align;
roryhand 1:aac37edee302 166 }*/
roryhand 1:aac37edee302 167
roryhand 38:3b4c05af5f36 168 int notch_flag = 0;
roryhand 0:e89d7a0bfa3b 169 int i = 0;
roryhand 0:e89d7a0bfa3b 170 int h = 0;
roryhand 0:e89d7a0bfa3b 171 short bufflen = 1;
roryhand 0:e89d7a0bfa3b 172 int buffer[1];
roryhand 1:aac37edee302 173 int AudioFormat, NumChannels, SampleRate, BitsPerSample ;
roryhand 0:e89d7a0bfa3b 174 char *slice_buf;
roryhand 0:e89d7a0bfa3b 175 short *data_sptr;
roryhand 0:e89d7a0bfa3b 176 short *data_sptr_horn;
roryhand 0:e89d7a0bfa3b 177 short *data_sptr_IdleN2;
roryhand 0:e89d7a0bfa3b 178 short * data_sptr_bell;
roryhand 0:e89d7a0bfa3b 179 short * data_sptr_N2;
roryhand 0:e89d7a0bfa3b 180 short * data_sptr_Flange;
roryhand 0:e89d7a0bfa3b 181 unsigned char *data_bptr;
roryhand 0:e89d7a0bfa3b 182 int *data_wptr;
roryhand 0:e89d7a0bfa3b 183 unsigned channel;
roryhand 45:0e8e1f2ec5d2 184 long slice, slice1, slice2, slice3, num_slices;
roryhand 0:e89d7a0bfa3b 185 int verbosity = 0;
roryhand 0:e89d7a0bfa3b 186 int verbosity2 = 0;
roryhand 0:e89d7a0bfa3b 187 int verbosity3 = 0;
roryhand 0:e89d7a0bfa3b 188 int verbosity4 = 0;
roryhand 0:e89d7a0bfa3b 189 int verbosity5 = 0;
roryhand 0:e89d7a0bfa3b 190 int interrupt_condition = 1;
roryhand 0:e89d7a0bfa3b 191 int sampling_freq = 11025;
roryhand 0:e89d7a0bfa3b 192 const int BufferLen = 2000;
roryhand 0:e89d7a0bfa3b 193 short Buffer1[BufferLen];
roryhand 0:e89d7a0bfa3b 194 short Buffer2[BufferLen];
roryhand 0:e89d7a0bfa3b 195 short place_hold1 = 0;
roryhand 0:e89d7a0bfa3b 196 short place_hold2 = 0;
roryhand 0:e89d7a0bfa3b 197
roryhand 3:6169aeeaeeb4 198
roryhand 3:6169aeeaeeb4 199 string FOLDER;
roryhand 3:6169aeeaeeb4 200 string RootFolder = "/sd/mydir/SoundDecoder/";
roryhand 3:6169aeeaeeb4 201 string filename[25];
roryhand 3:6169aeeaeeb4 202 classSoundFile Sound[22];
roryhand 3:6169aeeaeeb4 203
roryhand 0:e89d7a0bfa3b 204 volatile int flag1 = 1;
roryhand 0:e89d7a0bfa3b 205 volatile int flag2 = 0;
roryhand 0:e89d7a0bfa3b 206 volatile int flag3 = 1;
roryhand 0:e89d7a0bfa3b 207 volatile int flag4 = 0;
roryhand 0:e89d7a0bfa3b 208 int FLAGBUFF1 = 0;
roryhand 0:e89d7a0bfa3b 209 int FLAGBUFF2 = 0;
roryhand 0:e89d7a0bfa3b 210 int BellFlag = 0;
roryhand 0:e89d7a0bfa3b 211 int BellFlag2 = 0;
roryhand 0:e89d7a0bfa3b 212 int FadeFlag = 0;
roryhand 32:6ee488c97dcc 213 int FileSwitchFlag = 0;
roryhand 0:e89d7a0bfa3b 214
roryhand 0:e89d7a0bfa3b 215
roryhand 0:e89d7a0bfa3b 216 short value[1];
roryhand 0:e89d7a0bfa3b 217 FILE *HornWav;
roryhand 0:e89d7a0bfa3b 218 FILE *edsheeran_wav;
roryhand 0:e89d7a0bfa3b 219 FILE *Startup_wav;
roryhand 0:e89d7a0bfa3b 220 FILE *IdleN2Wav;
roryhand 0:e89d7a0bfa3b 221 FILE *N2Wav;
roryhand 0:e89d7a0bfa3b 222 FILE *BellWav;
roryhand 0:e89d7a0bfa3b 223 FILE *FlangeWav;
roryhand 16:5e3420d0509b 224 FILE *HeyWav;
roryhand 0:e89d7a0bfa3b 225 //long long slice_value;
roryhand 0:e89d7a0bfa3b 226 int slice_value[1];
roryhand 0:e89d7a0bfa3b 227
roryhand 0:e89d7a0bfa3b 228
roryhand 45:0e8e1f2ec5d2 229 FILE *wavfile1;
roryhand 45:0e8e1f2ec5d2 230 FILE *wavfile2;
roryhand 45:0e8e1f2ec5d2 231 FILE *wavfile3;
roryhand 45:0e8e1f2ec5d2 232
roryhand 45:0e8e1f2ec5d2 233 classSoundFile Sound1;
roryhand 45:0e8e1f2ec5d2 234 classSoundFile Sound2;
roryhand 45:0e8e1f2ec5d2 235 classSoundFile Sound3;
roryhand 45:0e8e1f2ec5d2 236
roryhand 0:e89d7a0bfa3b 237 WAV_FILE_STRUCT WavInfo_Horn;
roryhand 0:e89d7a0bfa3b 238 WAV_FILE_STRUCT WavInfo_IdleN2;
roryhand 0:e89d7a0bfa3b 239 WAV_FILE_STRUCT WavInfo_N2;
roryhand 0:e89d7a0bfa3b 240 WAV_FILE_STRUCT WavInfo_Bell;
roryhand 0:e89d7a0bfa3b 241 WAV_FILE_STRUCT WavInfo_Flange;
roryhand 20:9cc7d825c07b 242 WAV_FILE_STRUCT WavInfo_Hey;
roryhand 32:6ee488c97dcc 243 WAV_FILE_STRUCT WavInfo_N3;
roryhand 16:5e3420d0509b 244 WAV_FILE_STRUCT WavInfo_Frustration;
roryhand 0:e89d7a0bfa3b 245 Ticker flipper;
roryhand 0:e89d7a0bfa3b 246 char * slice_buf_bell;
roryhand 0:e89d7a0bfa3b 247 char * slice_buf_ed;
roryhand 0:e89d7a0bfa3b 248 char * slice_buf_startup;
roryhand 0:e89d7a0bfa3b 249 char * slice_buf_N2;
roryhand 1:aac37edee302 250 Notch_STRUCT NotchingSet;
roryhand 0:e89d7a0bfa3b 251 //test
roryhand 0:e89d7a0bfa3b 252 //short *data_sptr_bell = 0;
roryhand 0:e89d7a0bfa3b 253 short *data_sptr_ed = 0;
roryhand 0:e89d7a0bfa3b 254 short *data_sptr_startup = 0;
roryhand 32:6ee488c97dcc 255 FILE *StartupWav;
roryhand 32:6ee488c97dcc 256 FILE *N3Wav;
roryhand 33:a75f0a30fbdc 257 int temp = 0;
roryhand 1:aac37edee302 258 void flip()
roryhand 1:aac37edee302 259 {
roryhand 0:e89d7a0bfa3b 260 led2 = !led2;
roryhand 0:e89d7a0bfa3b 261 }
roryhand 0:e89d7a0bfa3b 262
roryhand 0:e89d7a0bfa3b 263
roryhand 0:e89d7a0bfa3b 264 void isr()
roryhand 0:e89d7a0bfa3b 265 {
roryhand 1:aac37edee302 266 if(flag1 == 0) {
roryhand 0:e89d7a0bfa3b 267 value[0] = Buffer1[place_hold1]>>4;
roryhand 0:e89d7a0bfa3b 268 i2s.write(value,1);//Send next PWM value to amp
roryhand 0:e89d7a0bfa3b 269 place_hold1 = place_hold1 + 1;
roryhand 1:aac37edee302 270 if( (place_hold1 >= BufferLen)) {
roryhand 0:e89d7a0bfa3b 271 led2 = !led2;
roryhand 0:e89d7a0bfa3b 272 place_hold1 = 0;
roryhand 0:e89d7a0bfa3b 273 place_hold2 = 0;
roryhand 0:e89d7a0bfa3b 274 flag1 = 1;
roryhand 0:e89d7a0bfa3b 275 flag2 = 0;
roryhand 1:aac37edee302 276 }
roryhand 1:aac37edee302 277 } else if(flag2 == 0) {
roryhand 0:e89d7a0bfa3b 278 value[0] = Buffer2[place_hold2]>>4;
roryhand 0:e89d7a0bfa3b 279 i2s.write(value,1);//Send next PWM value to amp
roryhand 0:e89d7a0bfa3b 280 place_hold2 = place_hold2 + 1;
roryhand 1:aac37edee302 281 if( (place_hold2 >= BufferLen) ) {
roryhand 0:e89d7a0bfa3b 282 led2 = !led2;
roryhand 0:e89d7a0bfa3b 283 place_hold1 = 0;
roryhand 0:e89d7a0bfa3b 284 place_hold2 = 0;
roryhand 0:e89d7a0bfa3b 285 flag1 = 0;
roryhand 1:aac37edee302 286 flag2 = 1;
roryhand 0:e89d7a0bfa3b 287 FLAGBUFF2 = 0;
roryhand 1:aac37edee302 288 }
roryhand 0:e89d7a0bfa3b 289 }
roryhand 0:e89d7a0bfa3b 290 }
roryhand 1:aac37edee302 291
roryhand 0:e89d7a0bfa3b 292 void horn_sound()
roryhand 0:e89d7a0bfa3b 293 {
roryhand 0:e89d7a0bfa3b 294 BellFlag = 1;
roryhand 0:e89d7a0bfa3b 295 fseek(HornWav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 296 fseek(BellWav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 297 fseek(FlangeWav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 298 fseek(N2Wav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 299 }
roryhand 0:e89d7a0bfa3b 300
roryhand 0:e89d7a0bfa3b 301
roryhand 32:6ee488c97dcc 302 void FileSwitch_isr()
roryhand 0:e89d7a0bfa3b 303 {
roryhand 32:6ee488c97dcc 304 FileSwitchFlag = 1;
roryhand 33:a75f0a30fbdc 305 temp = 1;
roryhand 33:a75f0a30fbdc 306 /*FILE* testwav = fopen("/sd/mydir/SoundDecoder_second/05.wav","rb");
roryhand 33:a75f0a30fbdc 307 if(N3Wav == NULL) {
roryhand 33:a75f0a30fbdc 308 printf("Cannot Open testwav\n\r");
roryhand 33:a75f0a30fbdc 309 }
roryhand 33:a75f0a30fbdc 310 */
roryhand 32:6ee488c97dcc 311 fseek(N3Wav,44,SEEK_SET);
roryhand 32:6ee488c97dcc 312 // fclose(StartupWav);
roryhand 0:e89d7a0bfa3b 313 }
roryhand 0:e89d7a0bfa3b 314
roryhand 0:e89d7a0bfa3b 315
roryhand 0:e89d7a0bfa3b 316 void FadeOutIsr()
roryhand 0:e89d7a0bfa3b 317 {
roryhand 1:aac37edee302 318 FadeFlag = 1;
roryhand 45:0e8e1f2ec5d2 319 fseek(wavfile2,44,SEEK_SET);
roryhand 45:0e8e1f2ec5d2 320 fseek(wavfile3,44,SEEK_SET);
roryhand 1:aac37edee302 321
roryhand 0:e89d7a0bfa3b 322 }
roryhand 38:3b4c05af5f36 323
roryhand 38:3b4c05af5f36 324
roryhand 38:3b4c05af5f36 325
roryhand 38:3b4c05af5f36 326
roryhand 0:e89d7a0bfa3b 327
roryhand 3:6169aeeaeeb4 328 classFade FadeDataInitialise(classFade FadeData);
roryhand 3:6169aeeaeeb4 329
roryhand 3:6169aeeaeeb4 330
roryhand 3:6169aeeaeeb4 331
roryhand 3:6169aeeaeeb4 332
roryhand 3:6169aeeaeeb4 333
roryhand 3:6169aeeaeeb4 334 //function prototypes
roryhand 45:0e8e1f2ec5d2 335 classSoundFile ReadFileInfo(classSoundFile Sound, FILE * wav_file);
roryhand 3:6169aeeaeeb4 336 classSoundFile LoadFileStream(classSoundFile FileInfo, string filename);
roryhand 3:6169aeeaeeb4 337
roryhand 3:6169aeeaeeb4 338 float FadeOut(void);
roryhand 3:6169aeeaeeb4 339 void Play_WaveFile(FILE * my_wav, WAV_FILE_STRUCT FileInfo);
roryhand 32:6ee488c97dcc 340 void Play_WaveFileDual(FILE * my_wav, WAV_FILE_STRUCT FileInfo);
roryhand 3:6169aeeaeeb4 341 //void Play_WaveFileLoop(FILE * my_wav, WAV_FILE_STRUCT FileInfo);
roryhand 3:6169aeeaeeb4 342 //*********************INTERRUPT ROUTINE FOR NOTCHING***************************
roryhand 0:e89d7a0bfa3b 343
roryhand 1:aac37edee302 344 void NotchUpIsr()
roryhand 0:e89d7a0bfa3b 345 {
roryhand 1:aac37edee302 346 if(1 <= NotchingSet.Notch < 8) {
roryhand 1:aac37edee302 347
roryhand 1:aac37edee302 348 NotchingSet.Notch = NotchingSet.Notch + 1;
roryhand 1:aac37edee302 349 NotchingSet.NotchTransUp = NotchingSet.Notch + 7;
roryhand 1:aac37edee302 350 NotchingSet.NotchDirection = 1;
roryhand 3:6169aeeaeeb4 351 FadeDataInitialise(NotchFadeIn);
roryhand 3:6169aeeaeeb4 352 FadeDataInitialise(NotchFadeOut);
roryhand 1:aac37edee302 353 }
roryhand 0:e89d7a0bfa3b 354 }
roryhand 0:e89d7a0bfa3b 355
roryhand 0:e89d7a0bfa3b 356 void NotchDownIsr()
roryhand 0:e89d7a0bfa3b 357 {
roryhand 1:aac37edee302 358 if(1 < NotchingSet.Notch <= 8) {
roryhand 1:aac37edee302 359 NotchingSet.Notch = NotchingSet.Notch - 1;
roryhand 1:aac37edee302 360 NotchingSet.NotchTransDown = NotchingSet.Notch + 15;;
roryhand 1:aac37edee302 361 NotchingSet.NotchDirection = 0;
roryhand 3:6169aeeaeeb4 362 FadeDataInitialise(NotchFadeIn);
roryhand 3:6169aeeaeeb4 363 FadeDataInitialise(NotchFadeOut);
roryhand 1:aac37edee302 364 }
roryhand 1:aac37edee302 365 }
roryhand 0:e89d7a0bfa3b 366
roryhand 0:e89d7a0bfa3b 367
roryhand 3:6169aeeaeeb4 368 /**********************END OF INTERRUPT ROUTINE FOR NOTCHING*******************/
roryhand 3:6169aeeaeeb4 369
roryhand 3:6169aeeaeeb4 370
roryhand 1:aac37edee302 371
roryhand 0:e89d7a0bfa3b 372
roryhand 3:6169aeeaeeb4 373
roryhand 3:6169aeeaeeb4 374
roryhand 44:a9e84d333a6a 375 void Play_WaveFileLoop(classSoundFile Sound1, classSoundFile Sound2, classSoundFile Sound3, FILE* wavfile1,FILE* wavfile2, FILE* wavfile3);
roryhand 1:aac37edee302 376 int main()
roryhand 1:aac37edee302 377 {
roryhand 44:a9e84d333a6a 378
roryhand 0:e89d7a0bfa3b 379 NotchUp.mode(PullUp);
roryhand 38:3b4c05af5f36 380 NotchDown.mode(PullUp);
roryhand 0:e89d7a0bfa3b 381
roryhand 0:e89d7a0bfa3b 382 pc.printf("Beginning of program\n");
roryhand 32:6ee488c97dcc 383
roryhand 13:8e93396a27c5 384
roryhand 13:8e93396a27c5 385
roryhand 4:55fbbb049bae 386
roryhand 25:5336e1cf38d6 387 printf("Do we even get to this stupid bloody point\n\r");
roryhand 0:e89d7a0bfa3b 388 //Populate our class instances with some data (is there an implicit way to do this?)
roryhand 28:6b2353fad12d 389
roryhand 1:aac37edee302 390
roryhand 3:6169aeeaeeb4 391 printf("hello\n\r");
roryhand 0:e89d7a0bfa3b 392 //Set up the wolfson Audio Codec board
roryhand 0:e89d7a0bfa3b 393 wm8731_Config_setup();
roryhand 0:e89d7a0bfa3b 394 //i2s audio data transfer code??
roryhand 0:e89d7a0bfa3b 395 i2s.stereomono(I2S_STEREO);
roryhand 0:e89d7a0bfa3b 396 i2s.masterslave(I2S_MASTER);
roryhand 0:e89d7a0bfa3b 397 led3 = 1;
roryhand 0:e89d7a0bfa3b 398 led2 = 1;
roryhand 45:0e8e1f2ec5d2 399 printf("Hello i2s has started!");
roryhand 30:4a8e80b243c4 400 i2s.start();
roryhand 0:e89d7a0bfa3b 401 sampletick.attach(&isr,1.0/sampling_freq); //1/16000
roryhand 45:0e8e1f2ec5d2 402 //fileswitch_tick.attach(&FileSwitch_isr,6.0);//So we can switch between playing file 1 and file 2, including opening and closing
roryhand 45:0e8e1f2ec5d2 403 //not convinced we need this above line at the moment!!
roryhand 31:0f8c3adf09c3 404
roryhand 31:0f8c3adf09c3 405 timer_open.reset();
roryhand 32:6ee488c97dcc 406 timer_open.start();
roryhand 45:0e8e1f2ec5d2 407 wavfile1 = fopen("/sd/mydir/SoundDecoder_second/01.wav","rb");
roryhand 45:0e8e1f2ec5d2 408 if(wavfile1 == NULL) {
roryhand 45:0e8e1f2ec5d2 409 printf("Cannot Open wavfile1\n\r");
roryhand 32:6ee488c97dcc 410 }
roryhand 45:0e8e1f2ec5d2 411
roryhand 31:0f8c3adf09c3 412 timer_open.reset();
roryhand 31:0f8c3adf09c3 413 printf("It took %d useconds to open file\n\r",timer_open.read_us());
roryhand 45:0e8e1f2ec5d2 414
roryhand 45:0e8e1f2ec5d2 415
roryhand 45:0e8e1f2ec5d2 416 timer_open.start();
roryhand 45:0e8e1f2ec5d2 417 wavfile2 = fopen("/sd/mydir/SoundDecoder_second/02.wav","rb");
roryhand 45:0e8e1f2ec5d2 418 if(wavfile2 == NULL) {
roryhand 45:0e8e1f2ec5d2 419 printf("Cannot Open wavfile2\n\r");
roryhand 45:0e8e1f2ec5d2 420 }
roryhand 32:6ee488c97dcc 421 timer_open.reset();
roryhand 45:0e8e1f2ec5d2 422 printf("It took %d useconds to open file\n\r",timer_open.read_us());
roryhand 45:0e8e1f2ec5d2 423
roryhand 32:6ee488c97dcc 424 timer_open.start();
roryhand 45:0e8e1f2ec5d2 425 wavfile3 = fopen("/sd/mydir/SoundDecoder_second/03.wav","rb");
roryhand 45:0e8e1f2ec5d2 426 if(wavfile3 == NULL) {
roryhand 45:0e8e1f2ec5d2 427 printf("Cannot Open wavfile3\n\r");
roryhand 45:0e8e1f2ec5d2 428 }
roryhand 45:0e8e1f2ec5d2 429 timer_open.reset();
roryhand 45:0e8e1f2ec5d2 430 printf("It took %d useconds to open file\n\r",timer_open.read_us());
roryhand 45:0e8e1f2ec5d2 431
roryhand 45:0e8e1f2ec5d2 432
roryhand 45:0e8e1f2ec5d2 433 Sound1 = ReadFileInfo(Sound1,wavfile1);
roryhand 45:0e8e1f2ec5d2 434 Sound2 = ReadFileInfo(Sound2,wavfile2);
roryhand 45:0e8e1f2ec5d2 435 Sound3 = ReadFileInfo(Sound3,wavfile3);
roryhand 13:8e93396a27c5 436
roryhand 32:6ee488c97dcc 437
roryhand 46:de390e45c2af 438 NotchFadeIn.LengthSecs = 4;
roryhand 46:de390e45c2af 439 NotchFadeOut.LengthSecs = 2;
roryhand 46:de390e45c2af 440 NotchFadeIn = FadeDataInitialise(NotchFadeIn);
roryhand 46:de390e45c2af 441 NotchFadeOut = FadeDataInitialise(NotchFadeOut);
roryhand 45:0e8e1f2ec5d2 442
roryhand 45:0e8e1f2ec5d2 443
roryhand 45:0e8e1f2ec5d2 444
roryhand 45:0e8e1f2ec5d2 445 TickFadeOut.attach(&FadeOutIsr,10.0);
roryhand 45:0e8e1f2ec5d2 446
roryhand 20:9cc7d825c07b 447 printf("about to play wav file\n\r");
roryhand 45:0e8e1f2ec5d2 448 Play_WaveFileLoop(Sound1,Sound2,Sound3,wavfile1,wavfile2,wavfile3);
roryhand 45:0e8e1f2ec5d2 449 //Play_WaveFileDual(StartupWav,WavInfo_Startup);
roryhand 20:9cc7d825c07b 450 printf("finished playing Wav file\n\r");
roryhand 45:0e8e1f2ec5d2 451
roryhand 45:0e8e1f2ec5d2 452
roryhand 31:0f8c3adf09c3 453 timer_open.reset();
roryhand 31:0f8c3adf09c3 454 timer_open.start();
roryhand 45:0e8e1f2ec5d2 455 fclose(wavfile1);
roryhand 31:0f8c3adf09c3 456 timer_open.stop();
roryhand 31:0f8c3adf09c3 457 printf("It took %d useconds to close file\n\r",timer_open.read_us());
roryhand 45:0e8e1f2ec5d2 458
roryhand 45:0e8e1f2ec5d2 459 timer_open.reset();
roryhand 45:0e8e1f2ec5d2 460 timer_open.start();
roryhand 45:0e8e1f2ec5d2 461 fclose(wavfile2);
roryhand 45:0e8e1f2ec5d2 462 timer_open.stop();
roryhand 45:0e8e1f2ec5d2 463 printf("It took %d useconds to close file\n\r",timer_open.read_us());
roryhand 45:0e8e1f2ec5d2 464
roryhand 45:0e8e1f2ec5d2 465
roryhand 45:0e8e1f2ec5d2 466 timer_open.reset();
roryhand 45:0e8e1f2ec5d2 467 timer_open.start();
roryhand 45:0e8e1f2ec5d2 468 fclose(wavfile3);
roryhand 45:0e8e1f2ec5d2 469 timer_open.stop();
roryhand 45:0e8e1f2ec5d2 470 printf("It took %d useconds to close file\n\r",timer_open.read_us());
roryhand 45:0e8e1f2ec5d2 471
roryhand 45:0e8e1f2ec5d2 472
roryhand 45:0e8e1f2ec5d2 473
roryhand 9:dd9cae06b202 474 /************************************PLAY WAV FILE LOOP*******************/
roryhand 20:9cc7d825c07b 475 //Play_WaveFileLoop(Sound, NotchingSet);
roryhand 9:dd9cae06b202 476 /************************************END OF PLAY WAV FILE LOOP*************/
roryhand 13:8e93396a27c5 477
roryhand 13:8e93396a27c5 478
roryhand 1:aac37edee302 479 i2s.stop();
roryhand 0:e89d7a0bfa3b 480
roryhand 0:e89d7a0bfa3b 481 }
roryhand 0:e89d7a0bfa3b 482
roryhand 0:e89d7a0bfa3b 483
roryhand 3:6169aeeaeeb4 484
roryhand 3:6169aeeaeeb4 485
roryhand 3:6169aeeaeeb4 486
roryhand 3:6169aeeaeeb4 487
roryhand 45:0e8e1f2ec5d2 488 classSoundFile ReadFileInfo(classSoundFile Sound, FILE * wav_file)
roryhand 0:e89d7a0bfa3b 489 {
roryhand 0:e89d7a0bfa3b 490 fseek(wav_file,20,SEEK_SET);
roryhand 22:706e86dc0d45 491 printf("We have just seeked through this file\n\r");
roryhand 45:0e8e1f2ec5d2 492 fread(&Sound.FileInfo.FileFormat,sizeof(Sound.FileInfo.FileFormat),1,wav_file);
roryhand 1:aac37edee302 493 //printf("wav_format.sample_rate: %d\n\r",FileInfo.FileFormat.sample_rate);
roryhand 1:aac37edee302 494
roryhand 45:0e8e1f2ec5d2 495 fread(&Sound.FileInfo.FileData,sizeof(Sound.FileInfo.FileData),1,wav_file);
roryhand 1:aac37edee302 496 //printf("wav_data.subchunk2_size: %d\n\r",FileInfo.FileData.subchunk2_size);
roryhand 45:0e8e1f2ec5d2 497 Sound.FileInfo.slice_buf = ( char *)malloc(Sound.FileInfo.FileFormat.block_align);
roryhand 45:0e8e1f2ec5d2 498 fread(Sound.FileInfo.slice_buf,Sound.FileInfo.FileFormat.block_align,1,wav_file); //This isnt actually required, its just a test
roryhand 45:0e8e1f2ec5d2 499 Sound.FileInfo.num_slices = Sound.FileInfo.FileData.subchunk2_size/Sound.FileInfo.FileFormat.block_align;
roryhand 1:aac37edee302 500 //printf("Number of Slices: %d\n\r",FileInfo.num_slices);
roryhand 45:0e8e1f2ec5d2 501 return Sound;
roryhand 0:e89d7a0bfa3b 502 }
roryhand 1:aac37edee302 503
roryhand 1:aac37edee302 504 classSoundFile LoadFileStream(classSoundFile Sound, string filename)
roryhand 1:aac37edee302 505 {
roryhand 1:aac37edee302 506 //Declare RootFolder and the directory for the appropriate file.
roryhand 1:aac37edee302 507 //How we index into filename[] from the outside of this class is another
roryhand 1:aac37edee302 508 //issue...
roryhand 1:aac37edee302 509 //printf("FileName: %s\n\r",filename);
roryhand 1:aac37edee302 510 //string RootFolder = "/sd/mydir/SoundDecoder/";
roryhand 1:aac37edee302 511 //string Directory = RootFolder + "01.wav";// + filename[0];
roryhand 1:aac37edee302 512 //printf("%s\n\r",Directory);
roryhand 1:aac37edee302 513 //const char* DirectoryChar = Directory.c_str();
roryhand 1:aac37edee302 514 //Sound.FileInfo.WavFile = fopen(DirectoryChar,"rb");
roryhand 1:aac37edee302 515 Sound.FileInfo.WavFile = fopen("/sd/mydir/645Engine/Startup.wav","rb");
roryhand 1:aac37edee302 516 fseek(Sound.FileInfo.WavFile,20,SEEK_SET);
roryhand 1:aac37edee302 517 fread(&Sound.FileInfo.FileFormat,sizeof(Sound.FileInfo.FileFormat),1,Sound.FileInfo.WavFile);
roryhand 1:aac37edee302 518 printf("wav_format.sample_rate: %d\n\r",Sound.FileInfo.FileFormat.sample_rate);
roryhand 1:aac37edee302 519 fread(&Sound.FileInfo.FileData,sizeof(Sound.FileInfo.FileData),1,Sound.FileInfo.WavFile);
roryhand 1:aac37edee302 520 printf("wav_data.subchunk2_size: %d\n\r",Sound.FileInfo.FileData.subchunk2_size);
roryhand 1:aac37edee302 521 Sound.FileInfo.slice_buf = ( char *)malloc(Sound.FileInfo.FileFormat.block_align);
roryhand 1:aac37edee302 522 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 523 Sound.FileInfo.num_slices = Sound.FileInfo.FileData.subchunk2_size/Sound.FileInfo.FileFormat.block_align;
roryhand 1:aac37edee302 524 printf("Number of Slices: %d\n\r",Sound.FileInfo.num_slices);
roryhand 1:aac37edee302 525 return Sound;
roryhand 1:aac37edee302 526 }
roryhand 1:aac37edee302 527
roryhand 1:aac37edee302 528
roryhand 0:e89d7a0bfa3b 529 classFade FadeDataInitialise(classFade FadeData)
roryhand 0:e89d7a0bfa3b 530 {
roryhand 1:aac37edee302 531 FadeData.DecayFactor = 1.3;
roryhand 0:e89d7a0bfa3b 532 FadeData.FadeIteration = 1;
roryhand 0:e89d7a0bfa3b 533 //FadeData.Denom = 11025*FadeData.DecayFactor;
roryhand 0:e89d7a0bfa3b 534 FadeData.Denom = 11025*FadeData.DecayFactor;
roryhand 0:e89d7a0bfa3b 535 FadeData.Natural_Exp = 2.7183;
roryhand 0:e89d7a0bfa3b 536 FadeData.Length = 11025*FadeData.LengthSecs;
roryhand 0:e89d7a0bfa3b 537 //FadeData.Natural_Exp = 2.7;
roryhand 0:e89d7a0bfa3b 538 return FadeData;
roryhand 0:e89d7a0bfa3b 539 }
roryhand 0:e89d7a0bfa3b 540
roryhand 0:e89d7a0bfa3b 541 //Playing Files Code
roryhand 46:de390e45c2af 542 /*
roryhand 45:0e8e1f2ec5d2 543 float FadeIn(void)
roryhand 0:e89d7a0bfa3b 544 {
roryhand 0:e89d7a0bfa3b 545 powervalFadeIn = FadeIterationIn/denom;
roryhand 0:e89d7a0bfa3b 546 FadeCoeffFadeIn
roryhand 1:aac37edee302 547
roryhand 1:aac37edee302 548
roryhand 45:0e8e1f2ec5d2 549 }
roryhand 45:0e8e1f2ec5d2 550 float FadeOut(void)
roryhand 0:e89d7a0bfa3b 551 {
roryhand 0:e89d7a0bfa3b 552 powerval = -FadeIteration/denom;
roryhand 0:e89d7a0bfa3b 553 FadeCoeff = pow(natural_exp,powerval);
roryhand 1:aac37edee302 554 FadeIteration = FadeIteration + 1;
roryhand 1:aac37edee302 555 return FadeCoeff;
roryhand 1:aac37edee302 556
roryhand 45:0e8e1f2ec5d2 557 }
roryhand 46:de390e45c2af 558 */
roryhand 0:e89d7a0bfa3b 559
roryhand 0:e89d7a0bfa3b 560 void Play_WaveFile(FILE * my_wav, WAV_FILE_STRUCT FileInfo)
roryhand 0:e89d7a0bfa3b 561 {
roryhand 1:aac37edee302 562 while(slice<FileInfo.num_slices) {
roryhand 1:aac37edee302 563 fread(FileInfo.slice_buf,FileInfo.FileFormat.block_align,1,my_wav);
roryhand 1:aac37edee302 564 data_sptr=(short *)FileInfo.slice_buf; // 16 bit samples
roryhand 1:aac37edee302 565 for (channel=0; channel<FileInfo.FileFormat.num_channels; channel++) {
roryhand 1:aac37edee302 566 if(flag1 == 1) {
roryhand 1:aac37edee302 567 Buffer1[place_hold1] = data_sptr[channel];
roryhand 1:aac37edee302 568 place_hold1 = place_hold1 + 1;
roryhand 1:aac37edee302 569 if(place_hold1 >= BufferLen) {
roryhand 1:aac37edee302 570 while(1) {
roryhand 1:aac37edee302 571 if(flag1 == 0) {
roryhand 0:e89d7a0bfa3b 572
roryhand 1:aac37edee302 573 break;
roryhand 0:e89d7a0bfa3b 574 }
roryhand 1:aac37edee302 575
roryhand 0:e89d7a0bfa3b 576 }
roryhand 1:aac37edee302 577 }
roryhand 1:aac37edee302 578
roryhand 1:aac37edee302 579 } else if(flag2 == 1) {
roryhand 1:aac37edee302 580 Buffer2[place_hold2] = data_sptr[channel];
roryhand 1:aac37edee302 581 place_hold2 = place_hold2 + 1;
roryhand 1:aac37edee302 582 if(place_hold2 >= BufferLen) {
roryhand 1:aac37edee302 583
roryhand 1:aac37edee302 584 while(1) {
roryhand 1:aac37edee302 585 if(flag2 == 0) {
roryhand 1:aac37edee302 586
roryhand 1:aac37edee302 587 break;
roryhand 1:aac37edee302 588 }
roryhand 0:e89d7a0bfa3b 589 }
roryhand 1:aac37edee302 590 }
roryhand 0:e89d7a0bfa3b 591 }
roryhand 1:aac37edee302 592
roryhand 1:aac37edee302 593 }
roryhand 1:aac37edee302 594 slice = slice + 1;
roryhand 0:e89d7a0bfa3b 595 }
roryhand 0:e89d7a0bfa3b 596 }
roryhand 0:e89d7a0bfa3b 597
roryhand 0:e89d7a0bfa3b 598
roryhand 0:e89d7a0bfa3b 599
roryhand 0:e89d7a0bfa3b 600
roryhand 32:6ee488c97dcc 601 void Play_WaveFileDual(FILE * my_wav, WAV_FILE_STRUCT FileInfo)
roryhand 32:6ee488c97dcc 602 {
roryhand 32:6ee488c97dcc 603 while(slice<FileInfo.num_slices) {
roryhand 32:6ee488c97dcc 604 if(FileSwitchFlag == 1) {
roryhand 35:4469b508dda3 605
roryhand 33:a75f0a30fbdc 606 if(temp == 1) {
roryhand 34:26118c8f2e48 607 printf("Does it go to this point\n\r");
roryhand 35:4469b508dda3 608 N3Wav = fopen("/sd/mydir/SoundDecoder_second/03.wav","rb");
roryhand 33:a75f0a30fbdc 609 if(N3Wav == NULL) {
roryhand 33:a75f0a30fbdc 610 printf("Cannot Open testwav\n\r");
roryhand 33:a75f0a30fbdc 611 }
roryhand 33:a75f0a30fbdc 612 fclose(StartupWav);
roryhand 33:a75f0a30fbdc 613 temp = 0;
roryhand 33:a75f0a30fbdc 614 }
roryhand 35:4469b508dda3 615 fread(WavInfo_N3.slice_buf,WavInfo_N3.FileFormat.block_align,1,N3Wav);
roryhand 35:4469b508dda3 616 data_sptr=(short*)WavInfo_N3.slice_buf;
roryhand 32:6ee488c97dcc 617 } else {
roryhand 32:6ee488c97dcc 618 fread(FileInfo.slice_buf,FileInfo.FileFormat.block_align,1,my_wav);
roryhand 32:6ee488c97dcc 619 data_sptr=(short *)FileInfo.slice_buf; // 16 bit samples
roryhand 32:6ee488c97dcc 620 }
roryhand 32:6ee488c97dcc 621 for (channel=0; channel<FileInfo.FileFormat.num_channels; channel++) {
roryhand 32:6ee488c97dcc 622 if(flag1 == 1) {
roryhand 32:6ee488c97dcc 623 Buffer1[place_hold1] = data_sptr[channel];
roryhand 32:6ee488c97dcc 624 place_hold1 = place_hold1 + 1;
roryhand 32:6ee488c97dcc 625 if(place_hold1 >= BufferLen) {
roryhand 32:6ee488c97dcc 626 while(1) {
roryhand 32:6ee488c97dcc 627 if(flag1 == 0) {
roryhand 0:e89d7a0bfa3b 628
roryhand 32:6ee488c97dcc 629 break;
roryhand 32:6ee488c97dcc 630 }
roryhand 32:6ee488c97dcc 631
roryhand 32:6ee488c97dcc 632 }
roryhand 32:6ee488c97dcc 633 }
roryhand 32:6ee488c97dcc 634
roryhand 32:6ee488c97dcc 635 } else if(flag2 == 1) {
roryhand 32:6ee488c97dcc 636 Buffer2[place_hold2] = data_sptr[channel];
roryhand 32:6ee488c97dcc 637 place_hold2 = place_hold2 + 1;
roryhand 32:6ee488c97dcc 638 if(place_hold2 >= BufferLen) {
roryhand 32:6ee488c97dcc 639
roryhand 32:6ee488c97dcc 640 while(1) {
roryhand 32:6ee488c97dcc 641 if(flag2 == 0) {
roryhand 32:6ee488c97dcc 642
roryhand 32:6ee488c97dcc 643 break;
roryhand 32:6ee488c97dcc 644 }
roryhand 32:6ee488c97dcc 645 }
roryhand 32:6ee488c97dcc 646 }
roryhand 32:6ee488c97dcc 647 }
roryhand 32:6ee488c97dcc 648
roryhand 32:6ee488c97dcc 649 }
roryhand 32:6ee488c97dcc 650 slice = slice + 1;
roryhand 32:6ee488c97dcc 651 }
roryhand 32:6ee488c97dcc 652 }
roryhand 0:e89d7a0bfa3b 653
roryhand 38:3b4c05af5f36 654 //***************************************************************************//
roryhand 38:3b4c05af5f36 655
roryhand 38:3b4c05af5f36 656 //**************************************************************************//
roryhand 38:3b4c05af5f36 657
roryhand 38:3b4c05af5f36 658
roryhand 38:3b4c05af5f36 659
roryhand 38:3b4c05af5f36 660
roryhand 38:3b4c05af5f36 661
roryhand 1:aac37edee302 662
roryhand 44:a9e84d333a6a 663
roryhand 45:0e8e1f2ec5d2 664 void Play_WaveFileLoop(classSoundFile Sound1, classSoundFile Sound2, classSoundFile Sound3, FILE *wavfile1, FILE *wavfile2, FILE *wavfile3)
roryhand 45:0e8e1f2ec5d2 665 {
roryhand 45:0e8e1f2ec5d2 666 while(1) { //might have to change this to a while(1) loop?
roryhand 45:0e8e1f2ec5d2 667 //New format!! This should be (roughly) the way that this is done, with the new structures and classes
roryhand 44:a9e84d333a6a 668
roryhand 45:0e8e1f2ec5d2 669 //Block 1 of code. We need to pass in 3x classSoundFile objects, and 3x FILE* pointer objects.
roryhand 45:0e8e1f2ec5d2 670 //This will allow us to switch between the 3 different files (using "cross-fades") as needed.
roryhand 45:0e8e1f2ec5d2 671 /*Remember that these will need to be global varaibles to work properly*/
roryhand 45:0e8e1f2ec5d2 672
roryhand 45:0e8e1f2ec5d2 673
roryhand 2:957d3b2afff4 674 //make sure we are reading in the correct "notch" here
roryhand 2:957d3b2afff4 675
roryhand 2:957d3b2afff4 676 if(FadeFlag) {
roryhand 44:a9e84d333a6a 677 if(feof(wavfile1)) {
roryhand 44:a9e84d333a6a 678 fseek(wavfile1,44,SEEK_SET);
roryhand 44:a9e84d333a6a 679 }
roryhand 44:a9e84d333a6a 680
roryhand 44:a9e84d333a6a 681
roryhand 44:a9e84d333a6a 682 /*Block1*/
roryhand 44:a9e84d333a6a 683 /*Read in data for current sound files. We only have 3 active engine noises at a time.
roryhand 44:a9e84d333a6a 684 When it becomes time to transition up again, we then flip to the opposite block, and perform
roryhand 44:a9e84d333a6a 685 the opposite operation.*/
roryhand 44:a9e84d333a6a 686 //Sound1=======================================================================================
roryhand 44:a9e84d333a6a 687 if( slice1 == (Sound1.FileInfo.num_slices-1) ) {
roryhand 44:a9e84d333a6a 688 slice1 = 0;
roryhand 44:a9e84d333a6a 689 fseek(wavfile1,44,SEEK_SET);
roryhand 2:957d3b2afff4 690 }
roryhand 44:a9e84d333a6a 691 fread(Sound1.FileInfo.slice_buf,Sound1.FileInfo.FileFormat.block_align,1,wavfile1);
roryhand 44:a9e84d333a6a 692 Sound1.data_sptr=(short *)Sound1.FileInfo.slice_buf; // 16 bit samples
roryhand 44:a9e84d333a6a 693 //=============================================================================================
roryhand 44:a9e84d333a6a 694
roryhand 44:a9e84d333a6a 695
roryhand 44:a9e84d333a6a 696 //Sound2=======================================================================================
roryhand 44:a9e84d333a6a 697 fread(Sound2.FileInfo.slice_buf,Sound2.FileInfo.FileFormat.block_align,1,wavfile2);
roryhand 44:a9e84d333a6a 698 Sound2.data_sptr=(short *)Sound2.FileInfo.slice_buf; // 16 bit samples
roryhand 44:a9e84d333a6a 699 //=============================================================================================
roryhand 44:a9e84d333a6a 700
roryhand 44:a9e84d333a6a 701
roryhand 44:a9e84d333a6a 702
roryhand 44:a9e84d333a6a 703 //Sound3=======================================================================================
roryhand 44:a9e84d333a6a 704 fread(Sound3.FileInfo.slice_buf,Sound3.FileInfo.FileFormat.block_align,1,wavfile3);
roryhand 44:a9e84d333a6a 705 Sound3.data_sptr=(short *)Sound3.FileInfo.slice_buf; // 16 bit samples
roryhand 44:a9e84d333a6a 706 //=============================================================================================
roryhand 44:a9e84d333a6a 707
roryhand 44:a9e84d333a6a 708
roryhand 44:a9e84d333a6a 709
roryhand 44:a9e84d333a6a 710 /*Block2*/
roryhand 3:6169aeeaeeb4 711
roryhand 2:957d3b2afff4 712 //Read in data for current (i.e. now the previous notch, according to the index!!)
roryhand 2:957d3b2afff4 713 //We might not need this code here...as its probably done somewhere else??
roryhand 44:a9e84d333a6a 714 //fread(Sounds[NotchingSet.Notch-1].FileInfo.slice_buf,Sounds[NotchingSet.Notch-1].FileInfo.FileFormat.block_align,1,Sounds[NotchingSet.Notch-1].FileInfo.WavFile);
roryhand 44:a9e84d333a6a 715 //Sounds[NotchingSet.Notch-1].data_sptr = (short *)Sounds[NotchingSet.Notch-1].FileInfo.slice_buf;
roryhand 44:a9e84d333a6a 716 //We are now performing this section above.
roryhand 3:6169aeeaeeb4 717
roryhand 44:a9e84d333a6a 718 //require this to get the fadeout coefficient for Sound1.
roryhand 2:957d3b2afff4 719 NotchFadeOut.FadeCoeff = NotchFadeOut.FadeOut();//compute new FadeOut Coeff value
roryhand 2:957d3b2afff4 720
roryhand 45:0e8e1f2ec5d2 721
roryhand 3:6169aeeaeeb4 722
roryhand 44:a9e84d333a6a 723 if( ((Sound2.FileInfo.FileData.subchunk2_size) - NotchFadeIn.Length - 2*11025) <= (ftell(wavfile2) + 44))
roryhand 2:957d3b2afff4 724 //if( (WavInfo_IdleN2.FileData.subchunk2_size)/8 <=ftell(IdleN2Wav) )
roryhand 2:957d3b2afff4 725 {
roryhand 2:957d3b2afff4 726
roryhand 44:a9e84d333a6a 727
roryhand 44:a9e84d333a6a 728 //required for calculating the fade In coefficient for Sound3
roryhand 2:957d3b2afff4 729 NotchFadeIn.FadeCoeff = NotchFadeIn.FadeIn();
roryhand 3:6169aeeaeeb4 730
roryhand 2:957d3b2afff4 731 //Read In the next Notch
roryhand 44:a9e84d333a6a 732
roryhand 44:a9e84d333a6a 733 /*
roryhand 2:957d3b2afff4 734 fread(Sounds[NotchingSet.Notch].FileInfo.slice_buf,Sounds[NotchingSet.Notch].FileInfo.FileFormat.block_align,1,Sounds[NotchingSet.Notch].FileInfo.WavFile);
roryhand 2:957d3b2afff4 735 Sounds[NotchingSet.Notch].data_sptr = (short *)Sounds[NotchingSet.Notch].FileInfo.slice_buf;
roryhand 44:a9e84d333a6a 736 */
roryhand 44:a9e84d333a6a 737 //no longer require the above section as we are reading in data for Sound3 (above, at beginning of function).
roryhand 2:957d3b2afff4 738
roryhand 44:a9e84d333a6a 739 if( (ftell(wavfile2) + 44) >= Sound2.FileInfo.FileData.subchunk2_size ) {
roryhand 3:6169aeeaeeb4 740
roryhand 2:957d3b2afff4 741 //need to explicitly test if this notation/syntax works for pointers....
roryhand 44:a9e84d333a6a 742 /*Was this ever tested?? no idea...
roryhand 44:a9e84d333a6a 743 If not then we need to pass in the 3 different "data_sptr" variables in separately, and not tied to a specific class
roryhand 44:a9e84d333a6a 744 or structure.*/
roryhand 45:0e8e1f2ec5d2 745 *Sound1.data_sptr = *Sound3.data_sptr*NotchFadeIn.FadeCoeff;//Sound 3 by itself.
roryhand 2:957d3b2afff4 746 } else {
roryhand 45:0e8e1f2ec5d2 747 *Sound1.data_sptr = *Sound1.data_sptr*NotchFadeOut.FadeCoeff + *Sound2.data_sptr + *Sound3.data_sptr*NotchFadeIn.FadeCoeff;//Sounds 1, 2 and 3 Cross-fade.
roryhand 44:a9e84d333a6a 748 //probably later on redesign this to work with flags - that way it may be a little easier to debug any issues.
roryhand 2:957d3b2afff4 749 }
roryhand 2:957d3b2afff4 750
roryhand 2:957d3b2afff4 751 } else {
roryhand 44:a9e84d333a6a 752 *Sound1.data_sptr = *Sound1.data_sptr*NotchFadeOut.FadeCoeff + *Sound2.data_sptr;//Sound1 and Sound 2 cross fade
roryhand 2:957d3b2afff4 753 }
roryhand 2:957d3b2afff4 754
roryhand 1:aac37edee302 755 }
roryhand 1:aac37edee302 756
roryhand 1:aac37edee302 757
roryhand 3:6169aeeaeeb4 758 /********************END OF DATA ASSIGNMENT SECTION*************************************************/
roryhand 9:dd9cae06b202 759
roryhand 44:a9e84d333a6a 760
roryhand 44:a9e84d333a6a 761
roryhand 44:a9e84d333a6a 762
roryhand 44:a9e84d333a6a 763
roryhand 44:a9e84d333a6a 764 /**********************************************************************************************************/
roryhand 44:a9e84d333a6a 765 /****************************DATA OUTPUT SECTION***********************************************************/
roryhand 44:a9e84d333a6a 766 /**********************************************************************************************************/
roryhand 45:0e8e1f2ec5d2 767 for (channel=0; channel<Sound1.FileInfo.FileFormat.num_channels; channel++) {
roryhand 45:0e8e1f2ec5d2 768 switch (Sound1.FileInfo.FileFormat.sig_bps) {
roryhand 0:e89d7a0bfa3b 769 case 16:
roryhand 1:aac37edee302 770 if(flag1 == 1) {
roryhand 45:0e8e1f2ec5d2 771 Buffer1[place_hold1] = Sound1.data_sptr[channel];
roryhand 1:aac37edee302 772 place_hold1 = place_hold1 + 1;
roryhand 1:aac37edee302 773 if(place_hold1 >= BufferLen) {
roryhand 1:aac37edee302 774 while(1) {
roryhand 1:aac37edee302 775 if(flag1 == 0) {
roryhand 1:aac37edee302 776 break;
roryhand 1:aac37edee302 777 }//if(flag1 == 0)
roryhand 1:aac37edee302 778
roryhand 1:aac37edee302 779
roryhand 1:aac37edee302 780 }//while(1)
roryhand 1:aac37edee302 781 }//if(place_hold1 > = BufferLen)
roryhand 0:e89d7a0bfa3b 782
roryhand 1:aac37edee302 783 } else if(flag2 == 1) {
roryhand 45:0e8e1f2ec5d2 784 Buffer2[place_hold2] = Sound1.data_sptr[channel];
roryhand 1:aac37edee302 785 place_hold2 = place_hold2 + 1;
roryhand 1:aac37edee302 786 if(place_hold2 >= BufferLen) {
roryhand 1:aac37edee302 787 while(1) {
roryhand 1:aac37edee302 788
roryhand 1:aac37edee302 789 if(flag2 == 0) {
roryhand 1:aac37edee302 790 break;
roryhand 1:aac37edee302 791 }
roryhand 1:aac37edee302 792 }
roryhand 0:e89d7a0bfa3b 793 }
roryhand 1:aac37edee302 794
roryhand 1:aac37edee302 795 }
roryhand 0:e89d7a0bfa3b 796 }
roryhand 0:e89d7a0bfa3b 797 }
roryhand 45:0e8e1f2ec5d2 798 slice1 = slice1 + 1;
roryhand 45:0e8e1f2ec5d2 799 slice2 = slice2 + 1;
roryhand 45:0e8e1f2ec5d2 800 slice3 = slice3 + 1;
roryhand 0:e89d7a0bfa3b 801 }
roryhand 0:e89d7a0bfa3b 802 }
roryhand 0:e89d7a0bfa3b 803
roryhand 0:e89d7a0bfa3b 804
roryhand 0:e89d7a0bfa3b 805
roryhand 0:e89d7a0bfa3b 806
roryhand 0:e89d7a0bfa3b 807
roryhand 0:e89d7a0bfa3b 808
roryhand 0:e89d7a0bfa3b 809
roryhand 9:dd9cae06b202 810