Rory Hand / Mbed 2 deprecated NotchingDemo

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Dependencies:   mbed SDFileSystem_Copy_of_mbed_version I2S

NotchingDemo.cpp@57:0c76b15cabaf, 2019-09-27 (annotated)

Committer:
roryhand
Date:
Fri Sep 27 19:15:46 2019 +0000
Branch:
LargeFile_Tests
Revision:
57:0c76b15cabaf
Parent:
56:3755c53ac4c6
Child:
58:a174e7a8f5f2
WIP - part way through changing this to work for one large "Notch Sounds" File

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 54:606a83fff291 14 //#include "BlockDevice.h"
roryhand 37:a563899ac0df 15 #include <string>
roryhand 0:e89d7a0bfa3b 16 #include <stdlib.h>
roryhand 27:a378f1f937ee 17 #include <fstream>
roryhand 27:a378f1f937ee 18 #include <iostream>
roryhand 0:e89d7a0bfa3b 19 #include <vector>
roryhand 0:e89d7a0bfa3b 20 #include <string>
roryhand 0:e89d7a0bfa3b 21 #define sample_freq 11025
roryhand 1:aac37edee302 22 #pragma import __use_two_region_memory
roryhand 54:606a83fff291 23 //BlockDevice *bd = BlockDevice::get_default_instance();
roryhand 54:606a83fff291 24 //#include "LittleFileSystem.h"
roryhand 54:606a83fff291 25 //LittleFileSystem fs("fs");
roryhand 54:606a83fff291 26
roryhand 0:e89d7a0bfa3b 27 DigitalOut myled(LED1);
roryhand 0:e89d7a0bfa3b 28 DigitalOut led2(LED2);
roryhand 0:e89d7a0bfa3b 29 DigitalOut led3(LED3);
roryhand 0:e89d7a0bfa3b 30 DigitalIn NotchUp(p16);
roryhand 38:3b4c05af5f36 31 DigitalIn NotchDown(p17);//check the pin!!! Dont know if this will actually work...
roryhand 0:e89d7a0bfa3b 32 InterruptIn Horn(p16);
roryhand 0:e89d7a0bfa3b 33 Ticker sampletick;
roryhand 45:0e8e1f2ec5d2 34
roryhand 0:e89d7a0bfa3b 35 Ticker TickFadeOut;
roryhand 0:e89d7a0bfa3b 36 Timer t;
roryhand 0:e89d7a0bfa3b 37 Timer t2;
roryhand 3:6169aeeaeeb4 38 Timer NotchTimer;
roryhand 27:a378f1f937ee 39 Timer timer_open;
roryhand 0:e89d7a0bfa3b 40
roryhand 0:e89d7a0bfa3b 41 Serial pc(USBTX, USBRX); // tx, rx //FOR DEBUGGING PROGRAM USING GNU SCREEN
roryhand 0:e89d7a0bfa3b 42 DigitalOut cs(p8);
roryhand 0:e89d7a0bfa3b 43 I2S i2s(I2S_TRANSMIT, p5, p6, p7);
roryhand 0:e89d7a0bfa3b 44 SDFileSystem sd(p11, p12, p13, p8, "sd"); // the new pinout that i am using
roryhand 0:e89d7a0bfa3b 45
roryhand 0:e89d7a0bfa3b 46
roryhand 0:e89d7a0bfa3b 47 /*struct A {
roryhand 0:e89d7a0bfa3b 48 int data;
roryhand 0:e89d7a0bfa3b 49 B b;
roryhand 0:e89d7a0bfa3b 50 };*/
roryhand 0:e89d7a0bfa3b 51
roryhand 0:e89d7a0bfa3b 52
roryhand 0:e89d7a0bfa3b 53
roryhand 0:e89d7a0bfa3b 54
roryhand 0:e89d7a0bfa3b 55 class classFade
roryhand 0:e89d7a0bfa3b 56 {
roryhand 1:aac37edee302 57 public:
roryhand 1:aac37edee302 58
roryhand 0:e89d7a0bfa3b 59 float powerval;
roryhand 0:e89d7a0bfa3b 60 float FadeIteration;
roryhand 0:e89d7a0bfa3b 61 float DecayFactor;
roryhand 0:e89d7a0bfa3b 62 float Denom;
roryhand 0:e89d7a0bfa3b 63 float FadeCoeff;
roryhand 0:e89d7a0bfa3b 64 float Natural_Exp;
roryhand 0:e89d7a0bfa3b 65 int LengthSecs;
roryhand 0:e89d7a0bfa3b 66 int Length;
roryhand 1:aac37edee302 67
roryhand 0:e89d7a0bfa3b 68 //member Functions
roryhand 0:e89d7a0bfa3b 69 float FadeOut(void)
roryhand 0:e89d7a0bfa3b 70 {
roryhand 0:e89d7a0bfa3b 71 powerval = -FadeIteration/Denom;
roryhand 1:aac37edee302 72 if (FadeIteration >=Length) {
roryhand 1:aac37edee302 73 FadeCoeff = 0;
roryhand 1:aac37edee302 74
roryhand 1:aac37edee302 75 } else {
roryhand 0:e89d7a0bfa3b 76 FadeCoeff = (Length - FadeIteration)/Length;
roryhand 0:e89d7a0bfa3b 77 }
roryhand 1:aac37edee302 78 FadeIteration = FadeIteration + 1;
roryhand 1:aac37edee302 79 return FadeCoeff;
roryhand 1:aac37edee302 80
roryhand 1:aac37edee302 81 }
roryhand 1:aac37edee302 82 float FadeIn(void)
roryhand 0:e89d7a0bfa3b 83 {
roryhand 0:e89d7a0bfa3b 84 powerval = FadeIteration/Denom;
roryhand 1:aac37edee302 85 if (FadeIteration >=Length) {
roryhand 1:aac37edee302 86 FadeCoeff = 1;
roryhand 1:aac37edee302 87
roryhand 1:aac37edee302 88 } else {
roryhand 0:e89d7a0bfa3b 89 FadeCoeff = FadeIteration/Length;
roryhand 0:e89d7a0bfa3b 90 }
roryhand 0:e89d7a0bfa3b 91
roryhand 1:aac37edee302 92 FadeIteration = FadeIteration + 1;
roryhand 1:aac37edee302 93 return FadeCoeff;
roryhand 1:aac37edee302 94
roryhand 1:aac37edee302 95 }
roryhand 0:e89d7a0bfa3b 96 };
roryhand 0:e89d7a0bfa3b 97
roryhand 0:e89d7a0bfa3b 98 classFade IdleFadeOut;
roryhand 0:e89d7a0bfa3b 99 classFade N2FadeIn;
roryhand 0:e89d7a0bfa3b 100
roryhand 2:957d3b2afff4 101 classFade NotchFadeOut;
roryhand 2:957d3b2afff4 102 classFade NotchFadeIn;
roryhand 2:957d3b2afff4 103
roryhand 0:e89d7a0bfa3b 104
roryhand 0:e89d7a0bfa3b 105
roryhand 0:e89d7a0bfa3b 106
roryhand 0:e89d7a0bfa3b 107
roryhand 1:aac37edee302 108 typedef struct uFMT_STRUCT {
roryhand 1:aac37edee302 109 short comp_code;
roryhand 1:aac37edee302 110 short num_channels;
roryhand 1:aac37edee302 111 unsigned sample_rate;
roryhand 1:aac37edee302 112 unsigned avg_Bps;
roryhand 1:aac37edee302 113 short block_align;
roryhand 1:aac37edee302 114 short sig_bps;
roryhand 0:e89d7a0bfa3b 115 } FMT_STRUCT;
roryhand 0:e89d7a0bfa3b 116
roryhand 1:aac37edee302 117 typedef struct uNotch_STRUCT {
roryhand 1:aac37edee302 118 short Notch;
roryhand 1:aac37edee302 119 short NotchTransUp;
roryhand 1:aac37edee302 120 short NotchTransDown;
roryhand 1:aac37edee302 121 short NotchDirection;
roryhand 1:aac37edee302 122 } Notch_STRUCT;
roryhand 1:aac37edee302 123
roryhand 0:e89d7a0bfa3b 124 typedef struct uDATA_STRUCT {
roryhand 1:aac37edee302 125 unsigned subchunk2_ID;
roryhand 1:aac37edee302 126 unsigned subchunk2_size;
roryhand 1:aac37edee302 127 char * data_buf;
roryhand 1:aac37edee302 128 } DATA_STRUCT;
roryhand 0:e89d7a0bfa3b 129
roryhand 1:aac37edee302 130 typedef struct uWAV_FILE_STRUCT {
roryhand 1:aac37edee302 131 FILE *WavFile;
roryhand 1:aac37edee302 132 int id_number;
roryhand 1:aac37edee302 133 char *slice_buf;
roryhand 1:aac37edee302 134 int num_slices;
roryhand 1:aac37edee302 135 FMT_STRUCT FileFormat;
roryhand 1:aac37edee302 136 DATA_STRUCT FileData;
roryhand 0:e89d7a0bfa3b 137 } WAV_FILE_STRUCT;
roryhand 0:e89d7a0bfa3b 138
roryhand 0:e89d7a0bfa3b 139 /*typedef struct uWAV_FILE_STRUCT{
roryhand 1:aac37edee302 140 FILE* WavFile;
roryhand 1:aac37edee302 141
roryhand 1:aac37edee302 142
roryhand 0:e89d7a0bfa3b 143 }WAV_FILE_STRUCT;*/
roryhand 57:0c76b15cabaf 144 class PositionIndicators
roryhand 57:0c76b15cabaf 145 {
roryhand 57:0c76b15cabaf 146 public:
roryhand 57:0c76b15cabaf 147 int notch1_indicator, notch2_indicator, notch3_indicator, notch4_indicator;
roryhand 57:0c76b15cabaf 148 int notch5_indicator, notch6_indicator, notch7_indicator, notch8_indicator;
roryhand 57:0c76b15cabaf 149 int notch1_start_pt, notch2_start_pt, notch3_start_pt, notch4_start_pt;
roryhand 57:0c76b15cabaf 150 int notch5_start_pt, notch6_start_pt, notch7_start_pt, notch8_start_pt;
roryhand 57:0c76b15cabaf 151 PositionIndicators()
roryhand 57:0c76b15cabaf 152 {
roryhand 57:0c76b15cabaf 153 notch1_start_pt = 44;
roryhand 57:0c76b15cabaf 154 notch2_start_pt = 220884+44;
roryhand 57:0c76b15cabaf 155 notch3_start_pt = notch2_start_pt+217698;
roryhand 57:0c76b15cabaf 156 notch4_start_pt = notch3_start_pt + 193060;
roryhand 57:0c76b15cabaf 157 notch5_start_pt = notch4_start_pt + 92010;
roryhand 57:0c76b15cabaf 158 notch6_start_pt = notch5_start_pt + 216642;
roryhand 57:0c76b15cabaf 159 notch7_start_pt = notch6_start_pt + 250316;
roryhand 57:0c76b15cabaf 160 notch8_start_pt = notch7_start_pt + 165084;
roryhand 57:0c76b15cabaf 161 notch1_indicator = notch1_start_pt;
roryhand 57:0c76b15cabaf 162 notch2_indicator = notch2_start_pt;
roryhand 57:0c76b15cabaf 163 notch3_indicator = notch3_start_pt;
roryhand 57:0c76b15cabaf 164 notch4_indicator = notch4_start_pt;
roryhand 57:0c76b15cabaf 165 notch5_indicator = notch5_start_pt;
roryhand 57:0c76b15cabaf 166 notch6_indicator = notch6_start_pt;
roryhand 57:0c76b15cabaf 167 notch7_indicator = notch7_start_pt;
roryhand 57:0c76b15cabaf 168 notch8_indicator = notch8_start_pt;
roryhand 57:0c76b15cabaf 169
roryhand 57:0c76b15cabaf 170 }
roryhand 57:0c76b15cabaf 171 };
roryhand 57:0c76b15cabaf 172
roryhand 57:0c76b15cabaf 173
roryhand 57:0c76b15cabaf 174
roryhand 57:0c76b15cabaf 175
roryhand 0:e89d7a0bfa3b 176 class classSoundFile
roryhand 0:e89d7a0bfa3b 177 {
roryhand 1:aac37edee302 178 public:
roryhand 1:aac37edee302 179
roryhand 44:a9e84d333a6a 180 //add a class constructor at some point in the future (perform tests in visual studio)
roryhand 1:aac37edee302 181 WAV_FILE_STRUCT FileInfo;
roryhand 2:957d3b2afff4 182 short * data_sptr;
roryhand 36:569ec4335f92 183 string file_location;
roryhand 1:aac37edee302 184 //classSoundFile(string filename);//this is the constructor
roryhand 1:aac37edee302 185 //string filename;
roryhand 0:e89d7a0bfa3b 186 };
roryhand 0:e89d7a0bfa3b 187
roryhand 1:aac37edee302 188 //class constructor;
roryhand 1:aac37edee302 189 /*classSoundFile::classSoundFile(string filename)
roryhand 1:aac37edee302 190 {
roryhand 1:aac37edee302 191 //Declare RootFolder and the directory for the appropriate file.
roryhand 1:aac37edee302 192 //How we index into filename[] from the outside of this class is another
roryhand 1:aac37edee302 193 //issue...
roryhand 1:aac37edee302 194 FileInfo.WavFile = fopen("/sd/mydir/645Engine/Startup.wav","rb");
roryhand 1:aac37edee302 195 fseek(FileInfo.WavFile,20,SEEK_SET);
roryhand 1:aac37edee302 196 fread(&FileInfo.FileFormat,sizeof(FileInfo.FileFormat),1,FileInfo.WavFile);
roryhand 1:aac37edee302 197 printf("wav_format.sample_rate: %d\n\r",FileInfo.FileFormat.sample_rate);
roryhand 1:aac37edee302 198 fread(&FileInfo.FileData,sizeof(FileInfo.FileData),1,FileInfo.WavFile);
roryhand 1:aac37edee302 199 printf("wav_data.subchunk2_size: %d\n\r",FileInfo.FileData.subchunk2_size);
roryhand 1:aac37edee302 200 FileInfo.slice_buf = ( char *)malloc(FileInfo.FileFormat.block_align);
roryhand 1:aac37edee302 201 fread(FileInfo.slice_buf,FileInfo.FileFormat.block_align,1,FileInfo.WavFile); //This isnt actually required, its just a test
roryhand 1:aac37edee302 202 FileInfo.num_slices = FileInfo.FileData.subchunk2_size/FileInfo.FileFormat.block_align;
roryhand 1:aac37edee302 203 }*/
roryhand 54:606a83fff291 204 int OneOff = 0;
roryhand 38:3b4c05af5f36 205 int notch_flag = 0;
roryhand 0:e89d7a0bfa3b 206 int i = 0;
roryhand 0:e89d7a0bfa3b 207 int h = 0;
roryhand 0:e89d7a0bfa3b 208 short bufflen = 1;
roryhand 0:e89d7a0bfa3b 209 int buffer[1];
roryhand 1:aac37edee302 210 int AudioFormat, NumChannels, SampleRate, BitsPerSample ;
roryhand 0:e89d7a0bfa3b 211 char *slice_buf;
roryhand 0:e89d7a0bfa3b 212 short *data_sptr;
roryhand 0:e89d7a0bfa3b 213 short *data_sptr_horn;
roryhand 0:e89d7a0bfa3b 214 short *data_sptr_IdleN2;
roryhand 0:e89d7a0bfa3b 215 short * data_sptr_bell;
roryhand 0:e89d7a0bfa3b 216 short * data_sptr_N2;
roryhand 0:e89d7a0bfa3b 217 short * data_sptr_Flange;
roryhand 0:e89d7a0bfa3b 218 unsigned char *data_bptr;
roryhand 0:e89d7a0bfa3b 219 int *data_wptr;
roryhand 0:e89d7a0bfa3b 220 unsigned channel;
roryhand 45:0e8e1f2ec5d2 221 long slice, slice1, slice2, slice3, num_slices;
roryhand 0:e89d7a0bfa3b 222 int verbosity = 0;
roryhand 0:e89d7a0bfa3b 223 int verbosity2 = 0;
roryhand 0:e89d7a0bfa3b 224 int verbosity3 = 0;
roryhand 0:e89d7a0bfa3b 225 int verbosity4 = 0;
roryhand 0:e89d7a0bfa3b 226 int verbosity5 = 0;
roryhand 0:e89d7a0bfa3b 227 int interrupt_condition = 1;
roryhand 0:e89d7a0bfa3b 228 int sampling_freq = 11025;
roryhand 0:e89d7a0bfa3b 229 const int BufferLen = 2000;
roryhand 0:e89d7a0bfa3b 230 short Buffer1[BufferLen];
roryhand 0:e89d7a0bfa3b 231 short Buffer2[BufferLen];
roryhand 0:e89d7a0bfa3b 232 short place_hold1 = 0;
roryhand 0:e89d7a0bfa3b 233 short place_hold2 = 0;
roryhand 0:e89d7a0bfa3b 234
roryhand 3:6169aeeaeeb4 235
roryhand 3:6169aeeaeeb4 236 string FOLDER;
roryhand 3:6169aeeaeeb4 237 string RootFolder = "/sd/mydir/SoundDecoder/";
roryhand 3:6169aeeaeeb4 238 string filename[25];
roryhand 3:6169aeeaeeb4 239 classSoundFile Sound[22];
roryhand 3:6169aeeaeeb4 240
roryhand 0:e89d7a0bfa3b 241 volatile int flag1 = 1;
roryhand 0:e89d7a0bfa3b 242 volatile int flag2 = 0;
roryhand 0:e89d7a0bfa3b 243 volatile int flag3 = 1;
roryhand 0:e89d7a0bfa3b 244 volatile int flag4 = 0;
roryhand 0:e89d7a0bfa3b 245 int FLAGBUFF1 = 0;
roryhand 0:e89d7a0bfa3b 246 int FLAGBUFF2 = 0;
roryhand 0:e89d7a0bfa3b 247 int BellFlag = 0;
roryhand 0:e89d7a0bfa3b 248 int BellFlag2 = 0;
roryhand 0:e89d7a0bfa3b 249 int FadeFlag = 0;
roryhand 54:606a83fff291 250 int BlockFlag = 0;
roryhand 32:6ee488c97dcc 251 int FileSwitchFlag = 0;
roryhand 0:e89d7a0bfa3b 252
roryhand 0:e89d7a0bfa3b 253
roryhand 0:e89d7a0bfa3b 254 short value[1];
roryhand 0:e89d7a0bfa3b 255 FILE *HornWav;
roryhand 0:e89d7a0bfa3b 256 FILE *edsheeran_wav;
roryhand 0:e89d7a0bfa3b 257 FILE *Startup_wav;
roryhand 0:e89d7a0bfa3b 258 FILE *IdleN2Wav;
roryhand 0:e89d7a0bfa3b 259 FILE *N2Wav;
roryhand 0:e89d7a0bfa3b 260 FILE *BellWav;
roryhand 0:e89d7a0bfa3b 261 FILE *FlangeWav;
roryhand 16:5e3420d0509b 262 FILE *HeyWav;
roryhand 0:e89d7a0bfa3b 263 //long long slice_value;
roryhand 0:e89d7a0bfa3b 264 int slice_value[1];
roryhand 0:e89d7a0bfa3b 265
roryhand 0:e89d7a0bfa3b 266
roryhand 45:0e8e1f2ec5d2 267 FILE *wavfile1;
roryhand 45:0e8e1f2ec5d2 268 FILE *wavfile2;
roryhand 45:0e8e1f2ec5d2 269 FILE *wavfile3;
roryhand 45:0e8e1f2ec5d2 270
roryhand 45:0e8e1f2ec5d2 271 classSoundFile Sound1;
roryhand 45:0e8e1f2ec5d2 272 classSoundFile Sound2;
roryhand 45:0e8e1f2ec5d2 273 classSoundFile Sound3;
roryhand 45:0e8e1f2ec5d2 274
roryhand 0:e89d7a0bfa3b 275 WAV_FILE_STRUCT WavInfo_Horn;
roryhand 0:e89d7a0bfa3b 276 WAV_FILE_STRUCT WavInfo_IdleN2;
roryhand 0:e89d7a0bfa3b 277 WAV_FILE_STRUCT WavInfo_N2;
roryhand 0:e89d7a0bfa3b 278 WAV_FILE_STRUCT WavInfo_Bell;
roryhand 0:e89d7a0bfa3b 279 WAV_FILE_STRUCT WavInfo_Flange;
roryhand 20:9cc7d825c07b 280 WAV_FILE_STRUCT WavInfo_Hey;
roryhand 32:6ee488c97dcc 281 WAV_FILE_STRUCT WavInfo_N3;
roryhand 16:5e3420d0509b 282 WAV_FILE_STRUCT WavInfo_Frustration;
roryhand 0:e89d7a0bfa3b 283 Ticker flipper;
roryhand 0:e89d7a0bfa3b 284 char * slice_buf_bell;
roryhand 0:e89d7a0bfa3b 285 char * slice_buf_ed;
roryhand 0:e89d7a0bfa3b 286 char * slice_buf_startup;
roryhand 0:e89d7a0bfa3b 287 char * slice_buf_N2;
roryhand 1:aac37edee302 288 Notch_STRUCT NotchingSet;
roryhand 0:e89d7a0bfa3b 289 //test
roryhand 0:e89d7a0bfa3b 290 //short *data_sptr_bell = 0;
roryhand 0:e89d7a0bfa3b 291 short *data_sptr_ed = 0;
roryhand 0:e89d7a0bfa3b 292 short *data_sptr_startup = 0;
roryhand 32:6ee488c97dcc 293 FILE *StartupWav;
roryhand 32:6ee488c97dcc 294 FILE *N3Wav;
roryhand 33:a75f0a30fbdc 295 int temp = 0;
roryhand 1:aac37edee302 296 void flip()
roryhand 1:aac37edee302 297 {
roryhand 0:e89d7a0bfa3b 298 led2 = !led2;
roryhand 0:e89d7a0bfa3b 299 }
roryhand 0:e89d7a0bfa3b 300
roryhand 0:e89d7a0bfa3b 301
roryhand 0:e89d7a0bfa3b 302 void isr()
roryhand 0:e89d7a0bfa3b 303 {
roryhand 54:606a83fff291 304 //timer_interrupt.start();
roryhand 1:aac37edee302 305 if(flag1 == 0) {
roryhand 0:e89d7a0bfa3b 306 value[0] = Buffer1[place_hold1]>>4;
roryhand 0:e89d7a0bfa3b 307 i2s.write(value,1);//Send next PWM value to amp
roryhand 0:e89d7a0bfa3b 308 place_hold1 = place_hold1 + 1;
roryhand 1:aac37edee302 309 if( (place_hold1 >= BufferLen)) {
roryhand 0:e89d7a0bfa3b 310 led2 = !led2;
roryhand 0:e89d7a0bfa3b 311 place_hold1 = 0;
roryhand 0:e89d7a0bfa3b 312 place_hold2 = 0;
roryhand 0:e89d7a0bfa3b 313 flag1 = 1;
roryhand 0:e89d7a0bfa3b 314 flag2 = 0;
roryhand 1:aac37edee302 315 }
roryhand 1:aac37edee302 316 } else if(flag2 == 0) {
roryhand 0:e89d7a0bfa3b 317 value[0] = Buffer2[place_hold2]>>4;
roryhand 0:e89d7a0bfa3b 318 i2s.write(value,1);//Send next PWM value to amp
roryhand 0:e89d7a0bfa3b 319 place_hold2 = place_hold2 + 1;
roryhand 1:aac37edee302 320 if( (place_hold2 >= BufferLen) ) {
roryhand 0:e89d7a0bfa3b 321 led2 = !led2;
roryhand 0:e89d7a0bfa3b 322 place_hold1 = 0;
roryhand 0:e89d7a0bfa3b 323 place_hold2 = 0;
roryhand 0:e89d7a0bfa3b 324 flag1 = 0;
roryhand 1:aac37edee302 325 flag2 = 1;
roryhand 0:e89d7a0bfa3b 326 FLAGBUFF2 = 0;
roryhand 1:aac37edee302 327 }
roryhand 0:e89d7a0bfa3b 328 }
roryhand 54:606a83fff291 329
roryhand 54:606a83fff291 330 //timer_interrupt.stop();
roryhand 54:606a83fff291 331
roryhand 0:e89d7a0bfa3b 332 }
roryhand 1:aac37edee302 333
roryhand 0:e89d7a0bfa3b 334 void horn_sound()
roryhand 0:e89d7a0bfa3b 335 {
roryhand 0:e89d7a0bfa3b 336 BellFlag = 1;
roryhand 0:e89d7a0bfa3b 337 fseek(HornWav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 338 fseek(BellWav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 339 fseek(FlangeWav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 340 fseek(N2Wav,44,SEEK_SET);
roryhand 0:e89d7a0bfa3b 341 }
roryhand 0:e89d7a0bfa3b 342
roryhand 0:e89d7a0bfa3b 343
roryhand 32:6ee488c97dcc 344 void FileSwitch_isr()
roryhand 0:e89d7a0bfa3b 345 {
roryhand 32:6ee488c97dcc 346 FileSwitchFlag = 1;
roryhand 33:a75f0a30fbdc 347 temp = 1;
roryhand 33:a75f0a30fbdc 348 /*FILE* testwav = fopen("/sd/mydir/SoundDecoder_second/05.wav","rb");
roryhand 33:a75f0a30fbdc 349 if(N3Wav == NULL) {
roryhand 33:a75f0a30fbdc 350 printf("Cannot Open testwav\n\r");
roryhand 33:a75f0a30fbdc 351 }
roryhand 33:a75f0a30fbdc 352 */
roryhand 32:6ee488c97dcc 353 fseek(N3Wav,44,SEEK_SET);
roryhand 32:6ee488c97dcc 354 // fclose(StartupWav);
roryhand 0:e89d7a0bfa3b 355 }
roryhand 0:e89d7a0bfa3b 356
roryhand 0:e89d7a0bfa3b 357
roryhand 0:e89d7a0bfa3b 358 void FadeOutIsr()
roryhand 0:e89d7a0bfa3b 359 {
roryhand 1:aac37edee302 360 FadeFlag = 1;
roryhand 54:606a83fff291 361 OneOff = 1;
roryhand 54:606a83fff291 362 /*
roryhand 54:606a83fff291 363 wavfile2 = fopen("/sd/mydir/SoundDecoder_second/09.wav","rb");
roryhand 54:606a83fff291 364 if(wavfile2 == NULL) {
roryhand 54:606a83fff291 365 printf("Cannot Open wavfile2\n\r");
roryhand 54:606a83fff291 366 }
roryhand 54:606a83fff291 367 */
roryhand 54:606a83fff291 368
roryhand 54:606a83fff291 369
roryhand 54:606a83fff291 370
roryhand 54:606a83fff291 371 /*
roryhand 54:606a83fff291 372 wavfile3 = fopen("/sd/mydir/SoundDecoder_second/02.wav","rb");
roryhand 54:606a83fff291 373 if(wavfile3 == NULL) {
roryhand 54:606a83fff291 374 printf("Cannot Open wavfile3\n\r");
roryhand 54:606a83fff291 375 }
roryhand 54:606a83fff291 376 */
roryhand 54:606a83fff291 377 /*
roryhand 54:606a83fff291 378 FILE* wavfile4 = fopen("/sd/mydir/SoundDecoder_second/04.wav","rb");
roryhand 54:606a83fff291 379 if(wavfile4 == NULL) {
roryhand 54:606a83fff291 380 printf("Cannot Open wavfile3\n\r");
roryhand 54:606a83fff291 381 }
roryhand 54:606a83fff291 382 */
roryhand 54:606a83fff291 383 //fseek(wavfile2,44,SEEK_SET);
roryhand 54:606a83fff291 384 //fseek(wavfile3,44,SEEK_SET);
roryhand 54:606a83fff291 385 slice2 = 0;
roryhand 54:606a83fff291 386 slice3 = 0;
roryhand 54:606a83fff291 387 BlockFlag = 1;
roryhand 47:9334a8f54997 388 //printf("We are inside the FadeOut interrupt routine\n\r");
roryhand 1:aac37edee302 389
roryhand 0:e89d7a0bfa3b 390 }
roryhand 38:3b4c05af5f36 391
roryhand 38:3b4c05af5f36 392
roryhand 38:3b4c05af5f36 393
roryhand 38:3b4c05af5f36 394
roryhand 0:e89d7a0bfa3b 395
roryhand 3:6169aeeaeeb4 396 classFade FadeDataInitialise(classFade FadeData);
roryhand 3:6169aeeaeeb4 397
roryhand 3:6169aeeaeeb4 398
roryhand 3:6169aeeaeeb4 399
roryhand 3:6169aeeaeeb4 400
roryhand 3:6169aeeaeeb4 401
roryhand 3:6169aeeaeeb4 402 //function prototypes
roryhand 45:0e8e1f2ec5d2 403 classSoundFile ReadFileInfo(classSoundFile Sound, FILE * wav_file);
roryhand 3:6169aeeaeeb4 404 classSoundFile LoadFileStream(classSoundFile FileInfo, string filename);
roryhand 3:6169aeeaeeb4 405
roryhand 3:6169aeeaeeb4 406 float FadeOut(void);
roryhand 3:6169aeeaeeb4 407 void Play_WaveFile(FILE * my_wav, WAV_FILE_STRUCT FileInfo);
roryhand 32:6ee488c97dcc 408 void Play_WaveFileDual(FILE * my_wav, WAV_FILE_STRUCT FileInfo);
roryhand 3:6169aeeaeeb4 409 //void Play_WaveFileLoop(FILE * my_wav, WAV_FILE_STRUCT FileInfo);
roryhand 3:6169aeeaeeb4 410 //*********************INTERRUPT ROUTINE FOR NOTCHING***************************
roryhand 0:e89d7a0bfa3b 411
roryhand 1:aac37edee302 412 void NotchUpIsr()
roryhand 0:e89d7a0bfa3b 413 {
roryhand 1:aac37edee302 414 if(1 <= NotchingSet.Notch < 8) {
roryhand 1:aac37edee302 415
roryhand 1:aac37edee302 416 NotchingSet.Notch = NotchingSet.Notch + 1;
roryhand 1:aac37edee302 417 NotchingSet.NotchTransUp = NotchingSet.Notch + 7;
roryhand 1:aac37edee302 418 NotchingSet.NotchDirection = 1;
roryhand 3:6169aeeaeeb4 419 FadeDataInitialise(NotchFadeIn);
roryhand 3:6169aeeaeeb4 420 FadeDataInitialise(NotchFadeOut);
roryhand 1:aac37edee302 421 }
roryhand 0:e89d7a0bfa3b 422 }
roryhand 0:e89d7a0bfa3b 423
roryhand 0:e89d7a0bfa3b 424 void NotchDownIsr()
roryhand 0:e89d7a0bfa3b 425 {
roryhand 1:aac37edee302 426 if(1 < NotchingSet.Notch <= 8) {
roryhand 1:aac37edee302 427 NotchingSet.Notch = NotchingSet.Notch - 1;
roryhand 1:aac37edee302 428 NotchingSet.NotchTransDown = NotchingSet.Notch + 15;;
roryhand 1:aac37edee302 429 NotchingSet.NotchDirection = 0;
roryhand 3:6169aeeaeeb4 430 FadeDataInitialise(NotchFadeIn);
roryhand 3:6169aeeaeeb4 431 FadeDataInitialise(NotchFadeOut);
roryhand 1:aac37edee302 432 }
roryhand 1:aac37edee302 433 }
roryhand 0:e89d7a0bfa3b 434
roryhand 0:e89d7a0bfa3b 435
roryhand 3:6169aeeaeeb4 436 /**********************END OF INTERRUPT ROUTINE FOR NOTCHING*******************/
roryhand 3:6169aeeaeeb4 437
roryhand 3:6169aeeaeeb4 438
roryhand 1:aac37edee302 439
roryhand 0:e89d7a0bfa3b 440
roryhand 3:6169aeeaeeb4 441
roryhand 3:6169aeeaeeb4 442
roryhand 44:a9e84d333a6a 443 void Play_WaveFileLoop(classSoundFile Sound1, classSoundFile Sound2, classSoundFile Sound3, FILE* wavfile1,FILE* wavfile2, FILE* wavfile3);
roryhand 1:aac37edee302 444 int main()
roryhand 1:aac37edee302 445 {
roryhand 44:a9e84d333a6a 446
roryhand 0:e89d7a0bfa3b 447 NotchUp.mode(PullUp);
roryhand 38:3b4c05af5f36 448 NotchDown.mode(PullUp);
roryhand 0:e89d7a0bfa3b 449
roryhand 0:e89d7a0bfa3b 450 pc.printf("Beginning of program\n");
roryhand 32:6ee488c97dcc 451
roryhand 13:8e93396a27c5 452
roryhand 13:8e93396a27c5 453
roryhand 4:55fbbb049bae 454
roryhand 25:5336e1cf38d6 455 printf("Do we even get to this stupid bloody point\n\r");
roryhand 0:e89d7a0bfa3b 456 //Populate our class instances with some data (is there an implicit way to do this?)
roryhand 28:6b2353fad12d 457
roryhand 1:aac37edee302 458
roryhand 3:6169aeeaeeb4 459 printf("hello\n\r");
roryhand 0:e89d7a0bfa3b 460 //Set up the wolfson Audio Codec board
roryhand 0:e89d7a0bfa3b 461 wm8731_Config_setup();
roryhand 0:e89d7a0bfa3b 462 //i2s audio data transfer code??
roryhand 0:e89d7a0bfa3b 463 i2s.stereomono(I2S_STEREO);
roryhand 0:e89d7a0bfa3b 464 i2s.masterslave(I2S_MASTER);
roryhand 0:e89d7a0bfa3b 465 led3 = 1;
roryhand 0:e89d7a0bfa3b 466 led2 = 1;
roryhand 45:0e8e1f2ec5d2 467 printf("Hello i2s has started!");
roryhand 30:4a8e80b243c4 468 i2s.start();
roryhand 0:e89d7a0bfa3b 469 sampletick.attach(&isr,1.0/sampling_freq); //1/16000
roryhand 45:0e8e1f2ec5d2 470 //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 471 //not convinced we need this above line at the moment!!
roryhand 54:606a83fff291 472
roryhand 54:606a83fff291 473
roryhand 54:606a83fff291 474
roryhand 54:606a83fff291 475
roryhand 57:0c76b15cabaf 476
roryhand 13:8e93396a27c5 477
roryhand 57:0c76b15cabaf 478
roryhand 45:0e8e1f2ec5d2 479
roryhand 45:0e8e1f2ec5d2 480
roryhand 45:0e8e1f2ec5d2 481
roryhand 45:0e8e1f2ec5d2 482 TickFadeOut.attach(&FadeOutIsr,10.0);
roryhand 45:0e8e1f2ec5d2 483
roryhand 54:606a83fff291 484
roryhand 54:606a83fff291 485 //timer_interrupt.reset();
roryhand 57:0c76b15cabaf 486 fopen("/sd/);
roryhand 20:9cc7d825c07b 487 printf("about to play wav file\n\r");
roryhand 57:0c76b15cabaf 488 Play_WaveFileLoop(Sound1,wavfile1,PositionIndicators);
roryhand 45:0e8e1f2ec5d2 489 //Play_WaveFileDual(StartupWav,WavInfo_Startup);
roryhand 20:9cc7d825c07b 490 printf("finished playing Wav file\n\r");
roryhand 54:606a83fff291 491
roryhand 54:606a83fff291 492
roryhand 31:0f8c3adf09c3 493 timer_open.reset();
roryhand 31:0f8c3adf09c3 494 timer_open.start();
roryhand 45:0e8e1f2ec5d2 495 fclose(wavfile1);
roryhand 31:0f8c3adf09c3 496 timer_open.stop();
roryhand 31:0f8c3adf09c3 497 printf("It took %d useconds to close file\n\r",timer_open.read_us());
roryhand 54:606a83fff291 498
roryhand 54:606a83fff291 499
roryhand 54:606a83fff291 500
roryhand 54:606a83fff291 501
roryhand 9:dd9cae06b202 502 /************************************PLAY WAV FILE LOOP*******************/
roryhand 20:9cc7d825c07b 503 //Play_WaveFileLoop(Sound, NotchingSet);
roryhand 9:dd9cae06b202 504 /************************************END OF PLAY WAV FILE LOOP*************/
roryhand 13:8e93396a27c5 505
roryhand 13:8e93396a27c5 506
roryhand 1:aac37edee302 507 i2s.stop();
roryhand 0:e89d7a0bfa3b 508
roryhand 0:e89d7a0bfa3b 509 }
roryhand 0:e89d7a0bfa3b 510
roryhand 0:e89d7a0bfa3b 511
roryhand 3:6169aeeaeeb4 512
roryhand 3:6169aeeaeeb4 513
roryhand 3:6169aeeaeeb4 514
roryhand 3:6169aeeaeeb4 515
roryhand 45:0e8e1f2ec5d2 516 classSoundFile ReadFileInfo(classSoundFile Sound, FILE * wav_file)
roryhand 0:e89d7a0bfa3b 517 {
roryhand 0:e89d7a0bfa3b 518 fseek(wav_file,20,SEEK_SET);
roryhand 22:706e86dc0d45 519 printf("We have just seeked through this file\n\r");
roryhand 45:0e8e1f2ec5d2 520 fread(&Sound.FileInfo.FileFormat,sizeof(Sound.FileInfo.FileFormat),1,wav_file);
roryhand 1:aac37edee302 521 //printf("wav_format.sample_rate: %d\n\r",FileInfo.FileFormat.sample_rate);
roryhand 1:aac37edee302 522
roryhand 45:0e8e1f2ec5d2 523 fread(&Sound.FileInfo.FileData,sizeof(Sound.FileInfo.FileData),1,wav_file);
roryhand 55:5a441d3b0d57 524 printf("wav_data.subchunk2_size: %d\n\r",Sound.FileInfo.FileData.subchunk2_size);
roryhand 45:0e8e1f2ec5d2 525 Sound.FileInfo.slice_buf = ( char *)malloc(Sound.FileInfo.FileFormat.block_align);
roryhand 45:0e8e1f2ec5d2 526 fread(Sound.FileInfo.slice_buf,Sound.FileInfo.FileFormat.block_align,1,wav_file); //This isnt actually required, its just a test
roryhand 45:0e8e1f2ec5d2 527 Sound.FileInfo.num_slices = Sound.FileInfo.FileData.subchunk2_size/Sound.FileInfo.FileFormat.block_align;
roryhand 1:aac37edee302 528 //printf("Number of Slices: %d\n\r",FileInfo.num_slices);
roryhand 45:0e8e1f2ec5d2 529 return Sound;
roryhand 0:e89d7a0bfa3b 530 }
roryhand 1:aac37edee302 531
roryhand 1:aac37edee302 532 classSoundFile LoadFileStream(classSoundFile Sound, string filename)
roryhand 1:aac37edee302 533 {
roryhand 1:aac37edee302 534 //Declare RootFolder and the directory for the appropriate file.
roryhand 1:aac37edee302 535 //How we index into filename[] from the outside of this class is another
roryhand 1:aac37edee302 536 //issue...
roryhand 1:aac37edee302 537 //printf("FileName: %s\n\r",filename);
roryhand 1:aac37edee302 538 //string RootFolder = "/sd/mydir/SoundDecoder/";
roryhand 1:aac37edee302 539 //string Directory = RootFolder + "01.wav";// + filename[0];
roryhand 1:aac37edee302 540 //printf("%s\n\r",Directory);
roryhand 1:aac37edee302 541 //const char* DirectoryChar = Directory.c_str();
roryhand 1:aac37edee302 542 //Sound.FileInfo.WavFile = fopen(DirectoryChar,"rb");
roryhand 1:aac37edee302 543 Sound.FileInfo.WavFile = fopen("/sd/mydir/645Engine/Startup.wav","rb");
roryhand 1:aac37edee302 544 fseek(Sound.FileInfo.WavFile,20,SEEK_SET);
roryhand 1:aac37edee302 545 fread(&Sound.FileInfo.FileFormat,sizeof(Sound.FileInfo.FileFormat),1,Sound.FileInfo.WavFile);
roryhand 1:aac37edee302 546 printf("wav_format.sample_rate: %d\n\r",Sound.FileInfo.FileFormat.sample_rate);
roryhand 1:aac37edee302 547 fread(&Sound.FileInfo.FileData,sizeof(Sound.FileInfo.FileData),1,Sound.FileInfo.WavFile);
roryhand 1:aac37edee302 548 printf("wav_data.subchunk2_size: %d\n\r",Sound.FileInfo.FileData.subchunk2_size);
roryhand 1:aac37edee302 549 Sound.FileInfo.slice_buf = ( char *)malloc(Sound.FileInfo.FileFormat.block_align);
roryhand 1:aac37edee302 550 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 551 Sound.FileInfo.num_slices = Sound.FileInfo.FileData.subchunk2_size/Sound.FileInfo.FileFormat.block_align;
roryhand 1:aac37edee302 552 printf("Number of Slices: %d\n\r",Sound.FileInfo.num_slices);
roryhand 1:aac37edee302 553 return Sound;
roryhand 1:aac37edee302 554 }
roryhand 1:aac37edee302 555
roryhand 1:aac37edee302 556
roryhand 0:e89d7a0bfa3b 557 classFade FadeDataInitialise(classFade FadeData)
roryhand 0:e89d7a0bfa3b 558 {
roryhand 1:aac37edee302 559 FadeData.DecayFactor = 1.3;
roryhand 0:e89d7a0bfa3b 560 FadeData.FadeIteration = 1;
roryhand 0:e89d7a0bfa3b 561 //FadeData.Denom = 11025*FadeData.DecayFactor;
roryhand 0:e89d7a0bfa3b 562 FadeData.Denom = 11025*FadeData.DecayFactor;
roryhand 0:e89d7a0bfa3b 563 FadeData.Natural_Exp = 2.7183;
roryhand 0:e89d7a0bfa3b 564 FadeData.Length = 11025*FadeData.LengthSecs;
roryhand 0:e89d7a0bfa3b 565 //FadeData.Natural_Exp = 2.7;
roryhand 0:e89d7a0bfa3b 566 return FadeData;
roryhand 0:e89d7a0bfa3b 567 }
roryhand 0:e89d7a0bfa3b 568
roryhand 0:e89d7a0bfa3b 569 //Playing Files Code
roryhand 46:de390e45c2af 570 /*
roryhand 45:0e8e1f2ec5d2 571 float FadeIn(void)
roryhand 0:e89d7a0bfa3b 572 {
roryhand 0:e89d7a0bfa3b 573 powervalFadeIn = FadeIterationIn/denom;
roryhand 0:e89d7a0bfa3b 574 FadeCoeffFadeIn
roryhand 1:aac37edee302 575
roryhand 1:aac37edee302 576
roryhand 45:0e8e1f2ec5d2 577 }
roryhand 45:0e8e1f2ec5d2 578 float FadeOut(void)
roryhand 0:e89d7a0bfa3b 579 {
roryhand 0:e89d7a0bfa3b 580 powerval = -FadeIteration/denom;
roryhand 0:e89d7a0bfa3b 581 FadeCoeff = pow(natural_exp,powerval);
roryhand 1:aac37edee302 582 FadeIteration = FadeIteration + 1;
roryhand 1:aac37edee302 583 return FadeCoeff;
roryhand 1:aac37edee302 584
roryhand 45:0e8e1f2ec5d2 585 }
roryhand 46:de390e45c2af 586 */
roryhand 0:e89d7a0bfa3b 587
roryhand 0:e89d7a0bfa3b 588 void Play_WaveFile(FILE * my_wav, WAV_FILE_STRUCT FileInfo)
roryhand 0:e89d7a0bfa3b 589 {
roryhand 1:aac37edee302 590 while(slice<FileInfo.num_slices) {
roryhand 1:aac37edee302 591 fread(FileInfo.slice_buf,FileInfo.FileFormat.block_align,1,my_wav);
roryhand 1:aac37edee302 592 data_sptr=(short *)FileInfo.slice_buf; // 16 bit samples
roryhand 1:aac37edee302 593 for (channel=0; channel<FileInfo.FileFormat.num_channels; channel++) {
roryhand 1:aac37edee302 594 if(flag1 == 1) {
roryhand 1:aac37edee302 595 Buffer1[place_hold1] = data_sptr[channel];
roryhand 1:aac37edee302 596 place_hold1 = place_hold1 + 1;
roryhand 1:aac37edee302 597 if(place_hold1 >= BufferLen) {
roryhand 1:aac37edee302 598 while(1) {
roryhand 1:aac37edee302 599 if(flag1 == 0) {
roryhand 0:e89d7a0bfa3b 600
roryhand 1:aac37edee302 601 break;
roryhand 0:e89d7a0bfa3b 602 }
roryhand 1:aac37edee302 603
roryhand 0:e89d7a0bfa3b 604 }
roryhand 1:aac37edee302 605 }
roryhand 1:aac37edee302 606
roryhand 1:aac37edee302 607 } else if(flag2 == 1) {
roryhand 1:aac37edee302 608 Buffer2[place_hold2] = data_sptr[channel];
roryhand 1:aac37edee302 609 place_hold2 = place_hold2 + 1;
roryhand 1:aac37edee302 610 if(place_hold2 >= BufferLen) {
roryhand 1:aac37edee302 611
roryhand 1:aac37edee302 612 while(1) {
roryhand 1:aac37edee302 613 if(flag2 == 0) {
roryhand 1:aac37edee302 614
roryhand 1:aac37edee302 615 break;
roryhand 1:aac37edee302 616 }
roryhand 0:e89d7a0bfa3b 617 }
roryhand 1:aac37edee302 618 }
roryhand 0:e89d7a0bfa3b 619 }
roryhand 1:aac37edee302 620
roryhand 1:aac37edee302 621 }
roryhand 1:aac37edee302 622 slice = slice + 1;
roryhand 0:e89d7a0bfa3b 623 }
roryhand 0:e89d7a0bfa3b 624 }
roryhand 0:e89d7a0bfa3b 625
roryhand 0:e89d7a0bfa3b 626
roryhand 0:e89d7a0bfa3b 627
roryhand 0:e89d7a0bfa3b 628
roryhand 32:6ee488c97dcc 629 void Play_WaveFileDual(FILE * my_wav, WAV_FILE_STRUCT FileInfo)
roryhand 32:6ee488c97dcc 630 {
roryhand 32:6ee488c97dcc 631 while(slice<FileInfo.num_slices) {
roryhand 32:6ee488c97dcc 632 if(FileSwitchFlag == 1) {
roryhand 35:4469b508dda3 633
roryhand 33:a75f0a30fbdc 634 if(temp == 1) {
roryhand 34:26118c8f2e48 635 printf("Does it go to this point\n\r");
roryhand 35:4469b508dda3 636 N3Wav = fopen("/sd/mydir/SoundDecoder_second/03.wav","rb");
roryhand 33:a75f0a30fbdc 637 if(N3Wav == NULL) {
roryhand 33:a75f0a30fbdc 638 printf("Cannot Open testwav\n\r");
roryhand 33:a75f0a30fbdc 639 }
roryhand 33:a75f0a30fbdc 640 fclose(StartupWav);
roryhand 33:a75f0a30fbdc 641 temp = 0;
roryhand 33:a75f0a30fbdc 642 }
roryhand 35:4469b508dda3 643 fread(WavInfo_N3.slice_buf,WavInfo_N3.FileFormat.block_align,1,N3Wav);
roryhand 35:4469b508dda3 644 data_sptr=(short*)WavInfo_N3.slice_buf;
roryhand 32:6ee488c97dcc 645 } else {
roryhand 32:6ee488c97dcc 646 fread(FileInfo.slice_buf,FileInfo.FileFormat.block_align,1,my_wav);
roryhand 32:6ee488c97dcc 647 data_sptr=(short *)FileInfo.slice_buf; // 16 bit samples
roryhand 32:6ee488c97dcc 648 }
roryhand 32:6ee488c97dcc 649 for (channel=0; channel<FileInfo.FileFormat.num_channels; channel++) {
roryhand 32:6ee488c97dcc 650 if(flag1 == 1) {
roryhand 32:6ee488c97dcc 651 Buffer1[place_hold1] = data_sptr[channel];
roryhand 32:6ee488c97dcc 652 place_hold1 = place_hold1 + 1;
roryhand 32:6ee488c97dcc 653 if(place_hold1 >= BufferLen) {
roryhand 32:6ee488c97dcc 654 while(1) {
roryhand 32:6ee488c97dcc 655 if(flag1 == 0) {
roryhand 0:e89d7a0bfa3b 656
roryhand 32:6ee488c97dcc 657 break;
roryhand 32:6ee488c97dcc 658 }
roryhand 32:6ee488c97dcc 659
roryhand 32:6ee488c97dcc 660 }
roryhand 32:6ee488c97dcc 661 }
roryhand 32:6ee488c97dcc 662
roryhand 32:6ee488c97dcc 663 } else if(flag2 == 1) {
roryhand 32:6ee488c97dcc 664 Buffer2[place_hold2] = data_sptr[channel];
roryhand 32:6ee488c97dcc 665 place_hold2 = place_hold2 + 1;
roryhand 32:6ee488c97dcc 666 if(place_hold2 >= BufferLen) {
roryhand 32:6ee488c97dcc 667
roryhand 32:6ee488c97dcc 668 while(1) {
roryhand 32:6ee488c97dcc 669 if(flag2 == 0) {
roryhand 32:6ee488c97dcc 670
roryhand 32:6ee488c97dcc 671 break;
roryhand 32:6ee488c97dcc 672 }
roryhand 32:6ee488c97dcc 673 }
roryhand 32:6ee488c97dcc 674 }
roryhand 32:6ee488c97dcc 675 }
roryhand 32:6ee488c97dcc 676
roryhand 32:6ee488c97dcc 677 }
roryhand 32:6ee488c97dcc 678 slice = slice + 1;
roryhand 32:6ee488c97dcc 679 }
roryhand 32:6ee488c97dcc 680 }
roryhand 0:e89d7a0bfa3b 681
roryhand 38:3b4c05af5f36 682 //***************************************************************************//
roryhand 38:3b4c05af5f36 683
roryhand 38:3b4c05af5f36 684 //**************************************************************************//
roryhand 38:3b4c05af5f36 685
roryhand 38:3b4c05af5f36 686
roryhand 38:3b4c05af5f36 687
roryhand 38:3b4c05af5f36 688
roryhand 38:3b4c05af5f36 689
roryhand 1:aac37edee302 690
roryhand 44:a9e84d333a6a 691
roryhand 57:0c76b15cabaf 692 void Play_WaveFileLoop(classSoundFile Sound1, FILE *wavfile1, classPositionIndicators Positions)
roryhand 45:0e8e1f2ec5d2 693 {
roryhand 45:0e8e1f2ec5d2 694 while(1) { //might have to change this to a while(1) loop?
roryhand 45:0e8e1f2ec5d2 695 //New format!! This should be (roughly) the way that this is done, with the new structures and classes
roryhand 44:a9e84d333a6a 696
roryhand 45:0e8e1f2ec5d2 697 //Block 1 of code. We need to pass in 3x classSoundFile objects, and 3x FILE* pointer objects.
roryhand 45:0e8e1f2ec5d2 698 //This will allow us to switch between the 3 different files (using "cross-fades") as needed.
roryhand 45:0e8e1f2ec5d2 699 /*Remember that these will need to be global varaibles to work properly*/
roryhand 45:0e8e1f2ec5d2 700
roryhand 45:0e8e1f2ec5d2 701
roryhand 2:957d3b2afff4 702 //make sure we are reading in the correct "notch" here
roryhand 2:957d3b2afff4 703
roryhand 44:a9e84d333a6a 704
roryhand 44:a9e84d333a6a 705
roryhand 54:606a83fff291 706
roryhand 44:a9e84d333a6a 707 //Sound1=======================================================================================
roryhand 57:0c76b15cabaf 708 if( slice == (PositionIndicators.notch2_start_pt) ) {
roryhand 44:a9e84d333a6a 709 slice1 = 0;
roryhand 57:0c76b15cabaf 710 fseek(Engine,notch1_start_pt,SEEK_SET);
roryhand 2:957d3b2afff4 711 }
roryhand 57:0c76b15cabaf 712
roryhand 44:a9e84d333a6a 713 fread(Sound1.FileInfo.slice_buf,Sound1.FileInfo.FileFormat.block_align,1,wavfile1);
roryhand 44:a9e84d333a6a 714 Sound1.data_sptr=(short *)Sound1.FileInfo.slice_buf; // 16 bit samples
roryhand 44:a9e84d333a6a 715 //=============================================================================================
roryhand 44:a9e84d333a6a 716
roryhand 57:0c76b15cabaf 717 /********************END OF DATA ASSIGNMENT SECTION***********************************************
roryhand 1:aac37edee302 718
roryhand 1:aac37edee302 719
roryhand 44:a9e84d333a6a 720
roryhand 44:a9e84d333a6a 721 /**********************************************************************************************************/
roryhand 44:a9e84d333a6a 722 /****************************DATA OUTPUT SECTION***********************************************************/
roryhand 44:a9e84d333a6a 723 /**********************************************************************************************************/
roryhand 45:0e8e1f2ec5d2 724 for (channel=0; channel<Sound1.FileInfo.FileFormat.num_channels; channel++) {
roryhand 45:0e8e1f2ec5d2 725 switch (Sound1.FileInfo.FileFormat.sig_bps) {
roryhand 0:e89d7a0bfa3b 726 case 16:
roryhand 1:aac37edee302 727 if(flag1 == 1) {
roryhand 45:0e8e1f2ec5d2 728 Buffer1[place_hold1] = Sound1.data_sptr[channel];
roryhand 1:aac37edee302 729 place_hold1 = place_hold1 + 1;
roryhand 1:aac37edee302 730 if(place_hold1 >= BufferLen) {
roryhand 1:aac37edee302 731 while(1) {
roryhand 1:aac37edee302 732 if(flag1 == 0) {
roryhand 1:aac37edee302 733 break;
roryhand 1:aac37edee302 734 }//if(flag1 == 0)
roryhand 1:aac37edee302 735
roryhand 1:aac37edee302 736
roryhand 1:aac37edee302 737 }//while(1)
roryhand 1:aac37edee302 738 }//if(place_hold1 > = BufferLen)
roryhand 0:e89d7a0bfa3b 739
roryhand 1:aac37edee302 740 } else if(flag2 == 1) {
roryhand 45:0e8e1f2ec5d2 741 Buffer2[place_hold2] = Sound1.data_sptr[channel];
roryhand 1:aac37edee302 742 place_hold2 = place_hold2 + 1;
roryhand 1:aac37edee302 743 if(place_hold2 >= BufferLen) {
roryhand 1:aac37edee302 744 while(1) {
roryhand 1:aac37edee302 745
roryhand 1:aac37edee302 746 if(flag2 == 0) {
roryhand 1:aac37edee302 747 break;
roryhand 1:aac37edee302 748 }
roryhand 1:aac37edee302 749 }
roryhand 0:e89d7a0bfa3b 750 }
roryhand 1:aac37edee302 751
roryhand 1:aac37edee302 752 }
roryhand 0:e89d7a0bfa3b 753 }
roryhand 0:e89d7a0bfa3b 754 }
roryhand 45:0e8e1f2ec5d2 755 slice1 = slice1 + 1;
roryhand 45:0e8e1f2ec5d2 756 slice2 = slice2 + 1;
roryhand 45:0e8e1f2ec5d2 757 slice3 = slice3 + 1;
roryhand 0:e89d7a0bfa3b 758 }
roryhand 0:e89d7a0bfa3b 759 }
roryhand 0:e89d7a0bfa3b 760
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 9:dd9cae06b202 767