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@74:e71a7815f63d, 2019-09-30 (annotated)

Committer:
roryhand
Date:
Mon Sep 30 22:06:03 2019 +0000
Branch:
LargeFile_Tests
Revision:
74:e71a7815f63d
Parent:
73:a5ab93214728
Child:
75:8a71e269b890
WIP can play a single sound but can't do the fading yet (just sounds bitty and horrible for no apparent reason).

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 73:a5ab93214728 34 Ticker NotchUpTick;
roryhand 45:0e8e1f2ec5d2 35
roryhand 0:e89d7a0bfa3b 36 Ticker TickFadeOut;
roryhand 0:e89d7a0bfa3b 37 Timer t;
roryhand 0:e89d7a0bfa3b 38 Timer t2;
roryhand 3:6169aeeaeeb4 39 Timer NotchTimer;
roryhand 27:a378f1f937ee 40 Timer timer_open;
roryhand 0:e89d7a0bfa3b 41
roryhand 0:e89d7a0bfa3b 42 Serial pc(USBTX, USBRX); // tx, rx //FOR DEBUGGING PROGRAM USING GNU SCREEN
roryhand 0:e89d7a0bfa3b 43 DigitalOut cs(p8);
roryhand 0:e89d7a0bfa3b 44 I2S i2s(I2S_TRANSMIT, p5, p6, p7);
roryhand 0:e89d7a0bfa3b 45 SDFileSystem sd(p11, p12, p13, p8, "sd"); // the new pinout that i am using
roryhand 0:e89d7a0bfa3b 46
roryhand 65:8b6a4e307941 47 class classFade
roryhand 65:8b6a4e307941 48 {
roryhand 65:8b6a4e307941 49 public:
roryhand 65:8b6a4e307941 50
roryhand 65:8b6a4e307941 51 float powerval;
roryhand 65:8b6a4e307941 52 float FadeIteration;
roryhand 65:8b6a4e307941 53 float DecayFactor;
roryhand 65:8b6a4e307941 54 float Denom;
roryhand 65:8b6a4e307941 55 float FadeCoeff;
roryhand 65:8b6a4e307941 56 float Natural_Exp;
roryhand 65:8b6a4e307941 57 int LengthSecs;
roryhand 65:8b6a4e307941 58 int Length;
roryhand 67:043fe0b81343 59 void FadeDataInitialise()
roryhand 67:043fe0b81343 60 {
roryhand 67:043fe0b81343 61 DecayFactor = 1.3;
roryhand 67:043fe0b81343 62 FadeIteration = 1;
roryhand 67:043fe0b81343 63 //FadeData.Denom = 11025*FadeData.DecayFactor;
roryhand 67:043fe0b81343 64 Denom = 11025*DecayFactor;
roryhand 67:043fe0b81343 65 Natural_Exp = 2.7183;
roryhand 67:043fe0b81343 66 Length = 11025*LengthSecs;
roryhand 67:043fe0b81343 67 //FadeData.Natural_Exp = 2.7;
roryhand 67:043fe0b81343 68 }
roryhand 65:8b6a4e307941 69 //member Functions
roryhand 65:8b6a4e307941 70 float FadeOut(void)
roryhand 65:8b6a4e307941 71 {
roryhand 65:8b6a4e307941 72 powerval = -FadeIteration/Denom;
roryhand 65:8b6a4e307941 73 if (FadeIteration >=Length) {
roryhand 65:8b6a4e307941 74 FadeCoeff = 0;
roryhand 65:8b6a4e307941 75
roryhand 65:8b6a4e307941 76 } else {
roryhand 65:8b6a4e307941 77 FadeCoeff = (Length - FadeIteration)/Length;
roryhand 65:8b6a4e307941 78 }
roryhand 65:8b6a4e307941 79 FadeIteration = FadeIteration + 1;
roryhand 65:8b6a4e307941 80 return FadeCoeff;
roryhand 65:8b6a4e307941 81
roryhand 65:8b6a4e307941 82 }
roryhand 65:8b6a4e307941 83 float FadeIn(void)
roryhand 65:8b6a4e307941 84 {
roryhand 65:8b6a4e307941 85 powerval = FadeIteration/Denom;
roryhand 65:8b6a4e307941 86 if (FadeIteration >=Length) {
roryhand 65:8b6a4e307941 87 FadeCoeff = 1;
roryhand 65:8b6a4e307941 88
roryhand 65:8b6a4e307941 89 } else {
roryhand 65:8b6a4e307941 90 FadeCoeff = FadeIteration/Length;
roryhand 65:8b6a4e307941 91 }
roryhand 65:8b6a4e307941 92
roryhand 65:8b6a4e307941 93 FadeIteration = FadeIteration + 1;
roryhand 65:8b6a4e307941 94 return FadeCoeff;
roryhand 65:8b6a4e307941 95
roryhand 65:8b6a4e307941 96 }
roryhand 65:8b6a4e307941 97 };
roryhand 65:8b6a4e307941 98
roryhand 65:8b6a4e307941 99
roryhand 67:043fe0b81343 100 //Do these variables have to be global?? Find out - may be better (safer) to make them local.
roryhand 67:043fe0b81343 101 classFade NotchFadeIn;
roryhand 67:043fe0b81343 102 classFade NotchFadeOut;
roryhand 67:043fe0b81343 103
roryhand 67:043fe0b81343 104
roryhand 67:043fe0b81343 105 //Dont require the class below. Turns out I had already made a Structure to hold the same information.
roryhand 67:043fe0b81343 106 //If in the futre I need to embed functions then I will switch to using this class
roryhand 67:043fe0b81343 107 /*
roryhand 67:043fe0b81343 108 class classNotchingValue{
roryhand 67:043fe0b81343 109 public:
roryhand 67:043fe0b81343 110
roryhand 67:043fe0b81343 111 int Notch, Previous_Notch;
roryhand 67:043fe0b81343 112 int NotchDirection;
roryhand 67:043fe0b81343 113 int NotchTransUp;
roryhand 67:043fe0b81343 114 classNotchingValue()
roryhand 67:043fe0b81343 115 {
roryhand 67:043fe0b81343 116 Notch = 1;
roryhand 67:043fe0b81343 117 Previous_Notch = 0;
roryhand 67:043fe0b81343 118 NotchDirection = 1;
roryhand 67:043fe0b81343 119 NotchTransUp = 0;
roryhand 67:043fe0b81343 120 }
roryhand 67:043fe0b81343 121
roryhand 67:043fe0b81343 122 };
roryhand 67:043fe0b81343 123
roryhand 67:043fe0b81343 124
roryhand 67:043fe0b81343 125
roryhand 67:043fe0b81343 126 classNotchingValue NotchingSet;
roryhand 67:043fe0b81343 127
roryhand 67:043fe0b81343 128 */
roryhand 67:043fe0b81343 129
roryhand 1:aac37edee302 130 typedef struct uFMT_STRUCT {
roryhand 1:aac37edee302 131 short comp_code;
roryhand 1:aac37edee302 132 short num_channels;
roryhand 1:aac37edee302 133 unsigned sample_rate;
roryhand 1:aac37edee302 134 unsigned avg_Bps;
roryhand 1:aac37edee302 135 short block_align;
roryhand 1:aac37edee302 136 short sig_bps;
roryhand 0:e89d7a0bfa3b 137 } FMT_STRUCT;
roryhand 0:e89d7a0bfa3b 138
roryhand 1:aac37edee302 139 typedef struct uNotch_STRUCT {
roryhand 1:aac37edee302 140 short Notch;
roryhand 1:aac37edee302 141 short NotchTransUp;
roryhand 1:aac37edee302 142 short NotchTransDown;
roryhand 1:aac37edee302 143 short NotchDirection;
roryhand 1:aac37edee302 144 } Notch_STRUCT;
roryhand 1:aac37edee302 145
roryhand 67:043fe0b81343 146 Notch_STRUCT NotchingSet;
roryhand 67:043fe0b81343 147
roryhand 67:043fe0b81343 148
roryhand 0:e89d7a0bfa3b 149 typedef struct uDATA_STRUCT {
roryhand 1:aac37edee302 150 unsigned subchunk2_ID;
roryhand 1:aac37edee302 151 unsigned subchunk2_size;
roryhand 1:aac37edee302 152 char * data_buf;
roryhand 1:aac37edee302 153 } DATA_STRUCT;
roryhand 0:e89d7a0bfa3b 154
roryhand 1:aac37edee302 155 typedef struct uWAV_FILE_STRUCT {
roryhand 1:aac37edee302 156 FILE *WavFile;
roryhand 1:aac37edee302 157 int id_number;
roryhand 1:aac37edee302 158 char *slice_buf;
roryhand 1:aac37edee302 159 int num_slices;
roryhand 1:aac37edee302 160 FMT_STRUCT FileFormat;
roryhand 1:aac37edee302 161 DATA_STRUCT FileData;
roryhand 0:e89d7a0bfa3b 162 } WAV_FILE_STRUCT;
roryhand 0:e89d7a0bfa3b 163
roryhand 0:e89d7a0bfa3b 164 /*typedef struct uWAV_FILE_STRUCT{
roryhand 1:aac37edee302 165 FILE* WavFile;
roryhand 1:aac37edee302 166
roryhand 1:aac37edee302 167
roryhand 0:e89d7a0bfa3b 168 }WAV_FILE_STRUCT;*/
roryhand 59:8e7c25a915a0 169
roryhand 59:8e7c25a915a0 170
roryhand 59:8e7c25a915a0 171
roryhand 59:8e7c25a915a0 172
roryhand 59:8e7c25a915a0 173
roryhand 59:8e7c25a915a0 174 class classSoundFile
roryhand 59:8e7c25a915a0 175 {
roryhand 59:8e7c25a915a0 176 public:
roryhand 59:8e7c25a915a0 177
roryhand 59:8e7c25a915a0 178 //add a class constructor at some point in the future (perform tests in visual studio)
roryhand 59:8e7c25a915a0 179 WAV_FILE_STRUCT FileInfo;
roryhand 59:8e7c25a915a0 180 short * data_sptr;
roryhand 59:8e7c25a915a0 181 string file_location;
roryhand 59:8e7c25a915a0 182 //classSoundFile(string filename);//this is the constructor
roryhand 59:8e7c25a915a0 183 //string filename;
roryhand 59:8e7c25a915a0 184 };
roryhand 58:a174e7a8f5f2 185 class classPositionIndicators
roryhand 57:0c76b15cabaf 186 {
roryhand 57:0c76b15cabaf 187 public:
roryhand 57:0c76b15cabaf 188 int notch1_indicator, notch2_indicator, notch3_indicator, notch4_indicator;
roryhand 57:0c76b15cabaf 189 int notch5_indicator, notch6_indicator, notch7_indicator, notch8_indicator;
roryhand 57:0c76b15cabaf 190 int notch1_start_pt, notch2_start_pt, notch3_start_pt, notch4_start_pt;
roryhand 57:0c76b15cabaf 191 int notch5_start_pt, notch6_start_pt, notch7_start_pt, notch8_start_pt;
roryhand 63:a8c1971d3d42 192 int N1N2_start_pt, N2N3_start_pt, N3N4_start_pt, N4N5_start_pt, N5N6_start_pt;
roryhand 63:a8c1971d3d42 193 int N6N7_start_pt, N7N8_start_pt, N8N7_start_pt, N7N6_start_pt, N6N5_start_pt;
roryhand 63:a8c1971d3d42 194 int N5N4_start_pt, N4N3_start_pt, N3N2_start_pt, N2N1_start_pt;
roryhand 67:043fe0b81343 195
roryhand 61:212d2db45c56 196 int notch_start_pts [9];
roryhand 61:212d2db45c56 197 int notch_position_indicators[9];
roryhand 61:212d2db45c56 198 int notch_transitions_start_pts[15];
roryhand 61:212d2db45c56 199 int notch_transitions_position_indicators[15];
roryhand 61:212d2db45c56 200 int auxiliary_start_pts[5];
roryhand 61:212d2db45c56 201 int auxiliary_position_indicators[5];
roryhand 58:a174e7a8f5f2 202 classPositionIndicators()
roryhand 57:0c76b15cabaf 203 {
roryhand 57:0c76b15cabaf 204 notch1_start_pt = 44;
roryhand 57:0c76b15cabaf 205 notch2_start_pt = 220884+44;
roryhand 57:0c76b15cabaf 206 notch3_start_pt = notch2_start_pt+217698;
roryhand 57:0c76b15cabaf 207 notch4_start_pt = notch3_start_pt + 193060;
roryhand 57:0c76b15cabaf 208 notch5_start_pt = notch4_start_pt + 92010;
roryhand 57:0c76b15cabaf 209 notch6_start_pt = notch5_start_pt + 216642;
roryhand 57:0c76b15cabaf 210 notch7_start_pt = notch6_start_pt + 250316;
roryhand 61:212d2db45c56 211 notch8_start_pt = notch7_start_pt + 150152;
roryhand 57:0c76b15cabaf 212 notch1_indicator = notch1_start_pt;
roryhand 57:0c76b15cabaf 213 notch2_indicator = notch2_start_pt;
roryhand 57:0c76b15cabaf 214 notch3_indicator = notch3_start_pt;
roryhand 57:0c76b15cabaf 215 notch4_indicator = notch4_start_pt;
roryhand 57:0c76b15cabaf 216 notch5_indicator = notch5_start_pt;
roryhand 57:0c76b15cabaf 217 notch6_indicator = notch6_start_pt;
roryhand 57:0c76b15cabaf 218 notch7_indicator = notch7_start_pt;
roryhand 57:0c76b15cabaf 219 notch8_indicator = notch8_start_pt;
roryhand 61:212d2db45c56 220 notch_start_pts[1] = notch1_start_pt;
roryhand 61:212d2db45c56 221 notch_start_pts[2] = notch2_start_pt;
roryhand 61:212d2db45c56 222 notch_start_pts[3] = notch3_start_pt;
roryhand 61:212d2db45c56 223 notch_start_pts[4] = notch4_start_pt;
roryhand 61:212d2db45c56 224 notch_start_pts[5] = notch5_start_pt;
roryhand 61:212d2db45c56 225 notch_start_pts[6] = notch6_start_pt;
roryhand 61:212d2db45c56 226 notch_start_pts[7] = notch7_start_pt;
roryhand 61:212d2db45c56 227 notch_start_pts[8] = notch8_start_pt;
roryhand 61:212d2db45c56 228 notch_position_indicators[1] = notch1_indicator;
roryhand 61:212d2db45c56 229 notch_position_indicators[2] = notch2_indicator;
roryhand 61:212d2db45c56 230 notch_position_indicators[3] = notch3_indicator;
roryhand 61:212d2db45c56 231 notch_position_indicators[4] = notch4_indicator;
roryhand 61:212d2db45c56 232 notch_position_indicators[5] = notch5_indicator;
roryhand 61:212d2db45c56 233 notch_position_indicators[6] = notch6_indicator;
roryhand 61:212d2db45c56 234 notch_position_indicators[7] = notch7_indicator;
roryhand 61:212d2db45c56 235 notch_position_indicators[8] = notch8_indicator;
roryhand 67:043fe0b81343 236
roryhand 63:a8c1971d3d42 237 N1N2_start_pt = 44;
roryhand 63:a8c1971d3d42 238 N2N3_start_pt = N1N2_start_pt + 73220;
roryhand 63:a8c1971d3d42 239 N3N4_start_pt = N2N3_start_pt + 78164;
roryhand 63:a8c1971d3d42 240 N4N5_start_pt = N3N4_start_pt + 59432;
roryhand 63:a8c1971d3d42 241 N5N6_start_pt = N4N5_start_pt + 64984;
roryhand 63:a8c1971d3d42 242 N6N7_start_pt = N5N6_start_pt + 59924;
roryhand 63:a8c1971d3d42 243 N7N8_start_pt = N6N7_start_pt + 97874;
roryhand 63:a8c1971d3d42 244 N8N7_start_pt = N7N8_start_pt + 63992;
roryhand 63:a8c1971d3d42 245 N7N6_start_pt = N8N7_start_pt + 44506;
roryhand 63:a8c1971d3d42 246 N6N5_start_pt = N7N6_start_pt + 55052;
roryhand 63:a8c1971d3d42 247 N5N4_start_pt = N6N5_start_pt + 37038;
roryhand 63:a8c1971d3d42 248 N4N3_start_pt = N5N4_start_pt + 49692;
roryhand 63:a8c1971d3d42 249 N3N2_start_pt = N4N3_start_pt + 44100;
roryhand 63:a8c1971d3d42 250 N2N1_start_pt = N3N2_start_pt + 58346;
roryhand 67:043fe0b81343 251
roryhand 67:043fe0b81343 252
roryhand 63:a8c1971d3d42 253 notch_transitions_start_pts[1] = N1N2_start_pt;
roryhand 63:a8c1971d3d42 254 notch_transitions_start_pts[2] = N2N3_start_pt;
roryhand 63:a8c1971d3d42 255 notch_transitions_start_pts[3] = N3N4_start_pt;
roryhand 63:a8c1971d3d42 256 notch_transitions_start_pts[4] = N4N5_start_pt;
roryhand 63:a8c1971d3d42 257 notch_transitions_start_pts[5] = N5N6_start_pt;
roryhand 63:a8c1971d3d42 258 notch_transitions_start_pts[6] = N6N7_start_pt;
roryhand 63:a8c1971d3d42 259 notch_transitions_start_pts[7] = N7N8_start_pt;
roryhand 63:a8c1971d3d42 260 notch_transitions_start_pts[8] = N8N7_start_pt;
roryhand 63:a8c1971d3d42 261 notch_transitions_start_pts[9] = N7N6_start_pt;
roryhand 63:a8c1971d3d42 262 notch_transitions_start_pts[10] = N6N5_start_pt;
roryhand 63:a8c1971d3d42 263 notch_transitions_start_pts[11] = N5N4_start_pt;
roryhand 63:a8c1971d3d42 264 notch_transitions_start_pts[12] = N4N3_start_pt;
roryhand 63:a8c1971d3d42 265 notch_transitions_start_pts[13] = N3N2_start_pt;
roryhand 63:a8c1971d3d42 266 notch_transitions_start_pts[14] = N2N1_start_pt;
roryhand 67:043fe0b81343 267
roryhand 67:043fe0b81343 268
roryhand 63:a8c1971d3d42 269 notch_transitions_position_indicators[1] = N1N2_start_pt;
roryhand 63:a8c1971d3d42 270 notch_transitions_position_indicators[2] = N2N3_start_pt;
roryhand 63:a8c1971d3d42 271 notch_transitions_position_indicators[3] = N3N4_start_pt;
roryhand 63:a8c1971d3d42 272 notch_transitions_position_indicators[4] = N4N5_start_pt;
roryhand 63:a8c1971d3d42 273 notch_transitions_position_indicators[5] = N5N6_start_pt;
roryhand 63:a8c1971d3d42 274 notch_transitions_position_indicators[6] = N6N7_start_pt;
roryhand 63:a8c1971d3d42 275 notch_transitions_position_indicators[7] = N7N8_start_pt;
roryhand 63:a8c1971d3d42 276 notch_transitions_position_indicators[8] = N8N7_start_pt;
roryhand 63:a8c1971d3d42 277 notch_transitions_position_indicators[9] = N7N6_start_pt;
roryhand 63:a8c1971d3d42 278 notch_transitions_position_indicators[10] = N6N5_start_pt;
roryhand 63:a8c1971d3d42 279 notch_transitions_position_indicators[11] = N5N4_start_pt;
roryhand 63:a8c1971d3d42 280 notch_transitions_position_indicators[12] = N4N3_start_pt;
roryhand 63:a8c1971d3d42 281 notch_transitions_position_indicators[13] = N3N2_start_pt;
roryhand 63:a8c1971d3d42 282 notch_transitions_position_indicators[14] = N2N1_start_pt;
roryhand 57:0c76b15cabaf 283 }
roryhand 57:0c76b15cabaf 284 };
roryhand 57:0c76b15cabaf 285
roryhand 73:a5ab93214728 286 int TransitionFlag;
roryhand 66:edf370edd21c 287 void NotchUpIsr()
roryhand 66:edf370edd21c 288 {
roryhand 66:edf370edd21c 289 if(1 <= NotchingSet.Notch < 8) {
roryhand 66:edf370edd21c 290
roryhand 66:edf370edd21c 291 NotchingSet.Notch = NotchingSet.Notch + 1;
roryhand 66:edf370edd21c 292 NotchingSet.NotchTransUp = NotchingSet.Notch + 7;
roryhand 66:edf370edd21c 293 NotchingSet.NotchDirection = 1;
roryhand 67:043fe0b81343 294 NotchFadeIn.FadeDataInitialise();
roryhand 67:043fe0b81343 295 NotchFadeOut.FadeDataInitialise();
roryhand 73:a5ab93214728 296 TransitionFlag = 1;
roryhand 74:e71a7815f63d 297 //printf("We are in the NotchUpIsr() section \n\r");
roryhand 67:043fe0b81343 298 //NotchFadeOut.FadeDataInitialise;
roryhand 66:edf370edd21c 299 }
roryhand 66:edf370edd21c 300 }
roryhand 66:edf370edd21c 301
roryhand 66:edf370edd21c 302 void NotchDownIsr()
roryhand 66:edf370edd21c 303 {
roryhand 66:edf370edd21c 304 if(1 < NotchingSet.Notch <= 8) {
roryhand 66:edf370edd21c 305 NotchingSet.Notch = NotchingSet.Notch - 1;
roryhand 67:043fe0b81343 306 NotchingSet.NotchTransDown = NotchingSet.Notch + 15;
roryhand 66:edf370edd21c 307 NotchingSet.NotchDirection = 0;
roryhand 67:043fe0b81343 308 NotchFadeIn.FadeDataInitialise();
roryhand 67:043fe0b81343 309 NotchFadeOut.FadeDataInitialise();
roryhand 74:e71a7815f63d 310 TransitionFlag = 1;
roryhand 66:edf370edd21c 311 }
roryhand 66:edf370edd21c 312 }
roryhand 73:a5ab93214728 313 short * data_sptr1;
roryhand 73:a5ab93214728 314 short * data_sptr2;
roryhand 73:a5ab93214728 315 short * data_sptr3;
roryhand 69:df10ee3ad523 316 char *slice_buf1;
roryhand 69:df10ee3ad523 317 char *slice_buf2;
roryhand 69:df10ee3ad523 318 char *slice_buf3;
roryhand 67:043fe0b81343 319
roryhand 54:606a83fff291 320 int OneOff = 0;
roryhand 38:3b4c05af5f36 321 int notch_flag = 0;
roryhand 0:e89d7a0bfa3b 322 int i = 0;
roryhand 0:e89d7a0bfa3b 323 int h = 0;
roryhand 0:e89d7a0bfa3b 324 short bufflen = 1;
roryhand 0:e89d7a0bfa3b 325 int buffer[1];
roryhand 1:aac37edee302 326 int AudioFormat, NumChannels, SampleRate, BitsPerSample ;
roryhand 0:e89d7a0bfa3b 327 char *slice_buf;
roryhand 0:e89d7a0bfa3b 328 short *data_sptr;
roryhand 0:e89d7a0bfa3b 329 short *data_sptr_horn;
roryhand 0:e89d7a0bfa3b 330 short *data_sptr_IdleN2;
roryhand 0:e89d7a0bfa3b 331 short * data_sptr_bell;
roryhand 0:e89d7a0bfa3b 332 short * data_sptr_N2;
roryhand 0:e89d7a0bfa3b 333 short * data_sptr_Flange;
roryhand 0:e89d7a0bfa3b 334 unsigned char *data_bptr;
roryhand 0:e89d7a0bfa3b 335 int *data_wptr;
roryhand 0:e89d7a0bfa3b 336 unsigned channel;
roryhand 45:0e8e1f2ec5d2 337 long slice, slice1, slice2, slice3, num_slices;
roryhand 0:e89d7a0bfa3b 338 int verbosity = 0;
roryhand 0:e89d7a0bfa3b 339 int verbosity2 = 0;
roryhand 0:e89d7a0bfa3b 340 int verbosity3 = 0;
roryhand 0:e89d7a0bfa3b 341 int verbosity4 = 0;
roryhand 0:e89d7a0bfa3b 342 int verbosity5 = 0;
roryhand 0:e89d7a0bfa3b 343 int interrupt_condition = 1;
roryhand 0:e89d7a0bfa3b 344 int sampling_freq = 11025;
roryhand 0:e89d7a0bfa3b 345 const int BufferLen = 2000;
roryhand 0:e89d7a0bfa3b 346 short Buffer1[BufferLen];
roryhand 0:e89d7a0bfa3b 347 short Buffer2[BufferLen];
roryhand 0:e89d7a0bfa3b 348 short place_hold1 = 0;
roryhand 0:e89d7a0bfa3b 349 short place_hold2 = 0;
roryhand 0:e89d7a0bfa3b 350
roryhand 3:6169aeeaeeb4 351
roryhand 3:6169aeeaeeb4 352 string FOLDER;
roryhand 3:6169aeeaeeb4 353 string RootFolder = "/sd/mydir/SoundDecoder/";
roryhand 3:6169aeeaeeb4 354 string filename[25];
roryhand 3:6169aeeaeeb4 355 classSoundFile Sound[22];
roryhand 3:6169aeeaeeb4 356
roryhand 0:e89d7a0bfa3b 357 volatile int flag1 = 1;
roryhand 0:e89d7a0bfa3b 358 volatile int flag2 = 0;
roryhand 0:e89d7a0bfa3b 359 volatile int flag3 = 1;
roryhand 0:e89d7a0bfa3b 360 volatile int flag4 = 0;
roryhand 0:e89d7a0bfa3b 361 int FLAGBUFF1 = 0;
roryhand 0:e89d7a0bfa3b 362 int FLAGBUFF2 = 0;
roryhand 0:e89d7a0bfa3b 363 int BellFlag = 0;
roryhand 0:e89d7a0bfa3b 364 int BellFlag2 = 0;
roryhand 0:e89d7a0bfa3b 365 int FadeFlag = 0;
roryhand 54:606a83fff291 366 int BlockFlag = 0;
roryhand 32:6ee488c97dcc 367 int FileSwitchFlag = 0;
roryhand 0:e89d7a0bfa3b 368
roryhand 0:e89d7a0bfa3b 369
roryhand 0:e89d7a0bfa3b 370 short value[1];
roryhand 59:8e7c25a915a0 371
roryhand 0:e89d7a0bfa3b 372 //long long slice_value;
roryhand 0:e89d7a0bfa3b 373 int slice_value[1];
roryhand 0:e89d7a0bfa3b 374
roryhand 0:e89d7a0bfa3b 375
roryhand 45:0e8e1f2ec5d2 376 FILE *wavfile1;
roryhand 45:0e8e1f2ec5d2 377 FILE *wavfile2;
roryhand 45:0e8e1f2ec5d2 378 FILE *wavfile3;
roryhand 45:0e8e1f2ec5d2 379
roryhand 45:0e8e1f2ec5d2 380 classSoundFile Sound1;
roryhand 45:0e8e1f2ec5d2 381 classSoundFile Sound2;
roryhand 45:0e8e1f2ec5d2 382 classSoundFile Sound3;
roryhand 45:0e8e1f2ec5d2 383
roryhand 0:e89d7a0bfa3b 384
roryhand 0:e89d7a0bfa3b 385 void isr()
roryhand 0:e89d7a0bfa3b 386 {
roryhand 54:606a83fff291 387 //timer_interrupt.start();
roryhand 1:aac37edee302 388 if(flag1 == 0) {
roryhand 0:e89d7a0bfa3b 389 value[0] = Buffer1[place_hold1]>>4;
roryhand 0:e89d7a0bfa3b 390 i2s.write(value,1);//Send next PWM value to amp
roryhand 0:e89d7a0bfa3b 391 place_hold1 = place_hold1 + 1;
roryhand 1:aac37edee302 392 if( (place_hold1 >= BufferLen)) {
roryhand 0:e89d7a0bfa3b 393 led2 = !led2;
roryhand 0:e89d7a0bfa3b 394 place_hold1 = 0;
roryhand 0:e89d7a0bfa3b 395 place_hold2 = 0;
roryhand 0:e89d7a0bfa3b 396 flag1 = 1;
roryhand 0:e89d7a0bfa3b 397 flag2 = 0;
roryhand 1:aac37edee302 398 }
roryhand 1:aac37edee302 399 } else if(flag2 == 0) {
roryhand 0:e89d7a0bfa3b 400 value[0] = Buffer2[place_hold2]>>4;
roryhand 0:e89d7a0bfa3b 401 i2s.write(value,1);//Send next PWM value to amp
roryhand 0:e89d7a0bfa3b 402 place_hold2 = place_hold2 + 1;
roryhand 1:aac37edee302 403 if( (place_hold2 >= BufferLen) ) {
roryhand 0:e89d7a0bfa3b 404 led2 = !led2;
roryhand 0:e89d7a0bfa3b 405 place_hold1 = 0;
roryhand 0:e89d7a0bfa3b 406 place_hold2 = 0;
roryhand 0:e89d7a0bfa3b 407 flag1 = 0;
roryhand 1:aac37edee302 408 flag2 = 1;
roryhand 0:e89d7a0bfa3b 409 FLAGBUFF2 = 0;
roryhand 1:aac37edee302 410 }
roryhand 0:e89d7a0bfa3b 411 }
roryhand 54:606a83fff291 412
roryhand 54:606a83fff291 413 //timer_interrupt.stop();
roryhand 54:606a83fff291 414
roryhand 0:e89d7a0bfa3b 415 }
roryhand 1:aac37edee302 416
roryhand 38:3b4c05af5f36 417
roryhand 38:3b4c05af5f36 418
roryhand 38:3b4c05af5f36 419
roryhand 38:3b4c05af5f36 420
roryhand 0:e89d7a0bfa3b 421
roryhand 59:8e7c25a915a0 422
roryhand 59:8e7c25a915a0 423
roryhand 59:8e7c25a915a0 424
roryhand 59:8e7c25a915a0 425
roryhand 59:8e7c25a915a0 426
roryhand 3:6169aeeaeeb4 427
roryhand 3:6169aeeaeeb4 428
roryhand 3:6169aeeaeeb4 429
roryhand 3:6169aeeaeeb4 430
roryhand 3:6169aeeaeeb4 431
roryhand 3:6169aeeaeeb4 432 //function prototypes
roryhand 67:043fe0b81343 433 //classFade FadeDataInitialise(classFade FadeData);
roryhand 45:0e8e1f2ec5d2 434 classSoundFile ReadFileInfo(classSoundFile Sound, FILE * wav_file);
roryhand 3:6169aeeaeeb4 435 classSoundFile LoadFileStream(classSoundFile FileInfo, string filename);
roryhand 3:6169aeeaeeb4 436 void Play_WaveFile(FILE * my_wav, WAV_FILE_STRUCT FileInfo);
roryhand 32:6ee488c97dcc 437 void Play_WaveFileDual(FILE * my_wav, WAV_FILE_STRUCT FileInfo);
roryhand 73:a5ab93214728 438 void Play_WaveFileLoop(classSoundFile Sound1, FILE* wavfile1, FILE* wavfile2,classPositionIndicators Positions);
roryhand 0:e89d7a0bfa3b 439
roryhand 1:aac37edee302 440 int main()
roryhand 1:aac37edee302 441 {
roryhand 44:a9e84d333a6a 442
roryhand 0:e89d7a0bfa3b 443 NotchUp.mode(PullUp);
roryhand 38:3b4c05af5f36 444 NotchDown.mode(PullUp);
roryhand 0:e89d7a0bfa3b 445
roryhand 0:e89d7a0bfa3b 446 pc.printf("Beginning of program\n");
roryhand 32:6ee488c97dcc 447
roryhand 13:8e93396a27c5 448
roryhand 13:8e93396a27c5 449
roryhand 4:55fbbb049bae 450
roryhand 25:5336e1cf38d6 451 printf("Do we even get to this stupid bloody point\n\r");
roryhand 0:e89d7a0bfa3b 452 //Populate our class instances with some data (is there an implicit way to do this?)
roryhand 28:6b2353fad12d 453
roryhand 1:aac37edee302 454
roryhand 3:6169aeeaeeb4 455 printf("hello\n\r");
roryhand 0:e89d7a0bfa3b 456 //Set up the wolfson Audio Codec board
roryhand 74:e71a7815f63d 457
roryhand 74:e71a7815f63d 458
roryhand 0:e89d7a0bfa3b 459 wm8731_Config_setup();
roryhand 0:e89d7a0bfa3b 460 //i2s audio data transfer code??
roryhand 0:e89d7a0bfa3b 461 i2s.stereomono(I2S_STEREO);
roryhand 0:e89d7a0bfa3b 462 i2s.masterslave(I2S_MASTER);
roryhand 0:e89d7a0bfa3b 463 led3 = 1;
roryhand 0:e89d7a0bfa3b 464 led2 = 1;
roryhand 45:0e8e1f2ec5d2 465 printf("Hello i2s has started!");
roryhand 30:4a8e80b243c4 466 i2s.start();
roryhand 0:e89d7a0bfa3b 467 sampletick.attach(&isr,1.0/sampling_freq); //1/16000
roryhand 73:a5ab93214728 468 NotchUpTick.attach(&NotchUpIsr,10.0);
roryhand 67:043fe0b81343 469
roryhand 74:e71a7815f63d 470
roryhand 74:e71a7815f63d 471
roryhand 67:043fe0b81343 472 NotchFadeIn.LengthSecs = 2;
roryhand 67:043fe0b81343 473 NotchFadeOut.LengthSecs = 2;
roryhand 67:043fe0b81343 474
roryhand 67:043fe0b81343 475 NotchFadeIn.FadeDataInitialise();
roryhand 67:043fe0b81343 476 NotchFadeOut.FadeDataInitialise();
roryhand 67:043fe0b81343 477
roryhand 74:e71a7815f63d 478
roryhand 58:a174e7a8f5f2 479 classPositionIndicators Positions;
roryhand 74:e71a7815f63d 480 slice1 = Positions.notch_start_pts[1];
roryhand 74:e71a7815f63d 481
roryhand 74:e71a7815f63d 482
roryhand 73:a5ab93214728 483
roryhand 73:a5ab93214728 484 TransitionFlag = 0;
roryhand 73:a5ab93214728 485
roryhand 60:36df2997de3d 486 FILE* wavfile1 = fopen("/sd/mydir/SoundDecoder_second/All_eight_notches.wav","rb");
roryhand 74:e71a7815f63d 487 FILE* wavfile2 = fopen("/sd/mydir/SoundDecoder_second/All_14_Notch_Transitions.wav","rb");
roryhand 74:e71a7815f63d 488
roryhand 60:36df2997de3d 489 //FILE* wavfile1 = fopen("/sd/mydir/SoundDecoder_second/01.wav","rb");
roryhand 58:a174e7a8f5f2 490 classSoundFile Sound1;
roryhand 73:a5ab93214728 491 classSoundFile Sound2;
roryhand 73:a5ab93214728 492 Sound2 = ReadFileInfo(Sound2, wavfile2);
roryhand 58:a174e7a8f5f2 493 Sound1 = ReadFileInfo(Sound1, wavfile1);
roryhand 73:a5ab93214728 494 NotchingSet.Notch = 1;
roryhand 73:a5ab93214728 495 fseek(wavfile1,Positions.notch_start_pts[1],SEEK_SET);
roryhand 73:a5ab93214728 496 fseek(wavfile2,Positions.notch_transitions_start_pts[1],SEEK_SET);
roryhand 20:9cc7d825c07b 497 printf("about to play wav file\n\r");
roryhand 73:a5ab93214728 498 Play_WaveFileLoop(Sound1,wavfile1,wavfile2, Positions);
roryhand 20:9cc7d825c07b 499 printf("finished playing Wav file\n\r");
roryhand 54:606a83fff291 500
roryhand 54:606a83fff291 501
roryhand 31:0f8c3adf09c3 502 timer_open.reset();
roryhand 31:0f8c3adf09c3 503 timer_open.start();
roryhand 45:0e8e1f2ec5d2 504 fclose(wavfile1);
roryhand 31:0f8c3adf09c3 505 timer_open.stop();
roryhand 31:0f8c3adf09c3 506 printf("It took %d useconds to close file\n\r",timer_open.read_us());
roryhand 54:606a83fff291 507
roryhand 54:606a83fff291 508
roryhand 54:606a83fff291 509
roryhand 54:606a83fff291 510
roryhand 9:dd9cae06b202 511 /************************************PLAY WAV FILE LOOP*******************/
roryhand 9:dd9cae06b202 512 /************************************END OF PLAY WAV FILE LOOP*************/
roryhand 13:8e93396a27c5 513
roryhand 13:8e93396a27c5 514
roryhand 1:aac37edee302 515 i2s.stop();
roryhand 74:e71a7815f63d 516
roryhand 0:e89d7a0bfa3b 517
roryhand 0:e89d7a0bfa3b 518 }
roryhand 0:e89d7a0bfa3b 519
roryhand 0:e89d7a0bfa3b 520
roryhand 3:6169aeeaeeb4 521
roryhand 3:6169aeeaeeb4 522
roryhand 3:6169aeeaeeb4 523
roryhand 3:6169aeeaeeb4 524
roryhand 45:0e8e1f2ec5d2 525 classSoundFile ReadFileInfo(classSoundFile Sound, FILE * wav_file)
roryhand 0:e89d7a0bfa3b 526 {
roryhand 0:e89d7a0bfa3b 527 fseek(wav_file,20,SEEK_SET);
roryhand 22:706e86dc0d45 528 printf("We have just seeked through this file\n\r");
roryhand 45:0e8e1f2ec5d2 529 fread(&Sound.FileInfo.FileFormat,sizeof(Sound.FileInfo.FileFormat),1,wav_file);
roryhand 1:aac37edee302 530 //printf("wav_format.sample_rate: %d\n\r",FileInfo.FileFormat.sample_rate);
roryhand 1:aac37edee302 531
roryhand 45:0e8e1f2ec5d2 532 fread(&Sound.FileInfo.FileData,sizeof(Sound.FileInfo.FileData),1,wav_file);
roryhand 55:5a441d3b0d57 533 printf("wav_data.subchunk2_size: %d\n\r",Sound.FileInfo.FileData.subchunk2_size);
roryhand 45:0e8e1f2ec5d2 534 Sound.FileInfo.slice_buf = ( char *)malloc(Sound.FileInfo.FileFormat.block_align);
roryhand 59:8e7c25a915a0 535 printf("Wav File Block Align (number of bytes per sample!!: %d\n\r", Sound.FileInfo.FileFormat.block_align);
roryhand 45:0e8e1f2ec5d2 536 fread(Sound.FileInfo.slice_buf,Sound.FileInfo.FileFormat.block_align,1,wav_file); //This isnt actually required, its just a test
roryhand 45:0e8e1f2ec5d2 537 Sound.FileInfo.num_slices = Sound.FileInfo.FileData.subchunk2_size/Sound.FileInfo.FileFormat.block_align;
roryhand 1:aac37edee302 538 //printf("Number of Slices: %d\n\r",FileInfo.num_slices);
roryhand 45:0e8e1f2ec5d2 539 return Sound;
roryhand 0:e89d7a0bfa3b 540 }
roryhand 1:aac37edee302 541
roryhand 1:aac37edee302 542
roryhand 64:6061ffe25985 543 //Function to initialise Data for classFade objects. Perhaps move this into a constructor for the class? (class still to be added)
roryhand 67:043fe0b81343 544 /*
roryhand 64:6061ffe25985 545 classFade FadeDataInitialise(classFade FadeData)
roryhand 64:6061ffe25985 546 {
roryhand 64:6061ffe25985 547 FadeData.DecayFactor = 1.3;
roryhand 64:6061ffe25985 548 FadeData.FadeIteration = 1;
roryhand 64:6061ffe25985 549 //FadeData.Denom = 11025*FadeData.DecayFactor;
roryhand 64:6061ffe25985 550 FadeData.Denom = 11025*FadeData.DecayFactor;
roryhand 64:6061ffe25985 551 FadeData.Natural_Exp = 2.7183;
roryhand 64:6061ffe25985 552 FadeData.Length = 11025*FadeData.LengthSecs;
roryhand 64:6061ffe25985 553 //FadeData.Natural_Exp = 2.7;
roryhand 64:6061ffe25985 554 return FadeData;
roryhand 64:6061ffe25985 555 }
roryhand 67:043fe0b81343 556 */
roryhand 1:aac37edee302 557
roryhand 1:aac37edee302 558
roryhand 1:aac37edee302 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 38:3b4c05af5f36 602 //***************************************************************************//
roryhand 38:3b4c05af5f36 603
roryhand 38:3b4c05af5f36 604 //**************************************************************************//
roryhand 38:3b4c05af5f36 605
roryhand 38:3b4c05af5f36 606
roryhand 38:3b4c05af5f36 607
roryhand 38:3b4c05af5f36 608
roryhand 38:3b4c05af5f36 609
roryhand 59:8e7c25a915a0 610
roryhand 44:a9e84d333a6a 611
roryhand 73:a5ab93214728 612 void Play_WaveFileLoop(classSoundFile Sound1, FILE *wavfile1, FILE* wavfile2, classPositionIndicators Positions)
roryhand 45:0e8e1f2ec5d2 613 {
roryhand 45:0e8e1f2ec5d2 614 while(1) { //might have to change this to a while(1) loop?
roryhand 44:a9e84d333a6a 615
roryhand 2:957d3b2afff4 616
roryhand 44:a9e84d333a6a 617
roryhand 44:a9e84d333a6a 618
roryhand 54:606a83fff291 619
roryhand 44:a9e84d333a6a 620 //Sound1=======================================================================================
roryhand 69:df10ee3ad523 621 if( slice1 == (Positions.notch_start_pts[NotchingSet.Notch + 1]) ) {
roryhand 69:df10ee3ad523 622 slice1 = Positions.notch_start_pts[NotchingSet.Notch];
roryhand 69:df10ee3ad523 623 fseek(wavfile1,Positions.notch_start_pts[NotchingSet.Notch],SEEK_SET);
roryhand 67:043fe0b81343 624 }
roryhand 73:a5ab93214728 625 if(TransitionFlag)
roryhand 73:a5ab93214728 626 {
roryhand 73:a5ab93214728 627
roryhand 74:e71a7815f63d 628 //printf("TransitionFlag == 1, so now we are going to do some other processing\n\r");
roryhand 73:a5ab93214728 629 //NOTCH 1
roryhand 69:df10ee3ad523 630 fseek(wavfile1,Positions.notch_position_indicators[NotchingSet.Notch],SEEK_SET);
roryhand 74:e71a7815f63d 631 //printf("We have seeked through the file\n\r");
roryhand 74:e71a7815f63d 632 fread(Sound1.FileInfo.slice_buf, Sound1.FileInfo.FileFormat.block_align,1,wavfile1);
roryhand 74:e71a7815f63d 633 //printf("We have now read in 2 bytes of data (i.e. 1 sample)\n\r");
roryhand 74:e71a7815f63d 634 data_sptr1=(short *)Sound1.FileInfo.slice_buf;
roryhand 74:e71a7815f63d 635 //printf("We have now cast this data to a short data type\n\r");
roryhand 72:599068243a0f 636 Positions.notch_position_indicators[NotchingSet.Notch] = Positions.notch_position_indicators[NotchingSet.Notch] + 2;
roryhand 74:e71a7815f63d 637 //printf("We have incremented up the Positions.notch_position_indicator");
roryhand 72:599068243a0f 638 //increment up the position indicator!
roryhand 72:599068243a0f 639
roryhand 73:a5ab93214728 640 //NOTCH 2
roryhand 69:df10ee3ad523 641 fseek(wavfile1,Positions.notch_position_indicators[NotchingSet.Notch - 1],SEEK_SET);
roryhand 74:e71a7815f63d 642 fread(Sound1.FileInfo.slice_buf, Sound1.FileInfo.FileFormat.block_align,1,wavfile1);
roryhand 74:e71a7815f63d 643 data_sptr3=(short *)Sound1.FileInfo.slice_buf;
roryhand 72:599068243a0f 644 Positions.notch_position_indicators[NotchingSet.Notch - 1] = Positions.notch_position_indicators[NotchingSet.Notch - 1] + 2;
roryhand 72:599068243a0f 645 //increment up the position indicator!
roryhand 72:599068243a0f 646
roryhand 72:599068243a0f 647
roryhand 69:df10ee3ad523 648 if(NotchingSet.NotchDirection)
roryhand 69:df10ee3ad523 649
roryhand 69:df10ee3ad523 650 {
roryhand 74:e71a7815f63d 651 printf("Reached if(NotchingSet.NotchDirection)\n\r");
roryhand 69:df10ee3ad523 652
roryhand 73:a5ab93214728 653 //N1 N2 Transition
roryhand 73:a5ab93214728 654 fseek(wavfile2,Positions.notch_position_indicators[NotchingSet.NotchTransUp],SEEK_SET);
roryhand 74:e71a7815f63d 655 fread(Sound1.FileInfo.slice_buf, Sound1.FileInfo.FileFormat.block_align,1,wavfile2);
roryhand 74:e71a7815f63d 656 data_sptr2=(short *)Sound1.FileInfo.slice_buf;
roryhand 73:a5ab93214728 657 Positions.notch_transitions_position_indicators[NotchingSet.NotchTransUp] = Positions.notch_transitions_position_indicators[NotchingSet.NotchTransUp] + 2;
roryhand 69:df10ee3ad523 658
roryhand 69:df10ee3ad523 659 } else {
roryhand 73:a5ab93214728 660 //N1 N2 Transition
roryhand 73:a5ab93214728 661 fseek(wavfile2,Positions.notch_position_indicators[NotchingSet.NotchTransDown],SEEK_SET);
roryhand 74:e71a7815f63d 662 fread(Sound1.FileInfo.slice_buf, Sound1.FileInfo.FileFormat.block_align,1,wavfile2);
roryhand 74:e71a7815f63d 663 data_sptr2=(short *)Sound1.FileInfo.slice_buf;
roryhand 73:a5ab93214728 664 Positions.notch_transitions_position_indicators[NotchingSet.NotchTransUp] = Positions.notch_transitions_position_indicators[NotchingSet.NotchTransUp] + 2;
roryhand 69:df10ee3ad523 665
roryhand 69:df10ee3ad523 666 }
roryhand 70:2b144da2c3b8 667
roryhand 70:2b144da2c3b8 668
roryhand 73:a5ab93214728 669 NotchFadeOut.FadeOut();
roryhand 70:2b144da2c3b8 670
roryhand 70:2b144da2c3b8 671 if(Positions.notch_transitions_position_indicators[NotchingSet.NotchTransUp] >= (Positions.notch_transitions_start_pts[NotchingSet.NotchTransUp+1] - NotchFadeIn.Length))
roryhand 70:2b144da2c3b8 672 {
roryhand 70:2b144da2c3b8 673 NotchFadeIn.FadeIn();
roryhand 70:2b144da2c3b8 674 if(Positions.notch_transitions_position_indicators[NotchingSet.NotchTransUp] >= Positions.notch_transitions_start_pts[NotchingSet.NotchTransUp+1])
roryhand 70:2b144da2c3b8 675 {
roryhand 73:a5ab93214728 676 *Sound1.data_sptr = *data_sptr2*NotchFadeIn.FadeCoeff;
roryhand 73:a5ab93214728 677 TransitionFlag = 0;
roryhand 73:a5ab93214728 678 fseek(wavfile1,Positions.notch_position_indicators[NotchingSet.Notch],SEEK_SET);
roryhand 70:2b144da2c3b8 679
roryhand 70:2b144da2c3b8 680 }
roryhand 72:599068243a0f 681 else
roryhand 72:599068243a0f 682 {
roryhand 73:a5ab93214728 683 *Sound1.data_sptr = *data_sptr1*NotchFadeOut.FadeCoeff + *data_sptr2 + *data_sptr3*NotchFadeIn.FadeCoeff;
roryhand 72:599068243a0f 684 }
roryhand 70:2b144da2c3b8 685
roryhand 70:2b144da2c3b8 686
roryhand 70:2b144da2c3b8 687 }
roryhand 72:599068243a0f 688 else
roryhand 72:599068243a0f 689 {
roryhand 73:a5ab93214728 690 *Sound1.data_sptr = *data_sptr1*NotchFadeOut.FadeCoeff + *data_sptr2;
roryhand 73:a5ab93214728 691
roryhand 72:599068243a0f 692 //include a flag here, to hand over control. Going to get a bit complicated!!!
roryhand 72:599068243a0f 693 }
roryhand 70:2b144da2c3b8 694
roryhand 70:2b144da2c3b8 695
roryhand 69:df10ee3ad523 696
roryhand 73:a5ab93214728 697
roryhand 73:a5ab93214728 698
roryhand 69:df10ee3ad523 699
roryhand 73:a5ab93214728 700 }
roryhand 73:a5ab93214728 701 else
roryhand 73:a5ab93214728 702 {
roryhand 69:df10ee3ad523 703 fread(Sound1.FileInfo.slice_buf,Sound1.FileInfo.FileFormat.block_align,1,wavfile1);
roryhand 69:df10ee3ad523 704 Sound1.data_sptr=(short *)Sound1.FileInfo.slice_buf; // 16 bit samples
roryhand 73:a5ab93214728 705
roryhand 73:a5ab93214728 706 }
roryhand 44:a9e84d333a6a 707 //=============================================================================================
roryhand 44:a9e84d333a6a 708
roryhand 67:043fe0b81343 709
roryhand 1:aac37edee302 710
roryhand 1:aac37edee302 711
roryhand 44:a9e84d333a6a 712
roryhand 45:0e8e1f2ec5d2 713 for (channel=0; channel<Sound1.FileInfo.FileFormat.num_channels; channel++) {
roryhand 45:0e8e1f2ec5d2 714 switch (Sound1.FileInfo.FileFormat.sig_bps) {
roryhand 0:e89d7a0bfa3b 715 case 16:
roryhand 1:aac37edee302 716 if(flag1 == 1) {
roryhand 45:0e8e1f2ec5d2 717 Buffer1[place_hold1] = Sound1.data_sptr[channel];
roryhand 1:aac37edee302 718 place_hold1 = place_hold1 + 1;
roryhand 1:aac37edee302 719 if(place_hold1 >= BufferLen) {
roryhand 1:aac37edee302 720 while(1) {
roryhand 1:aac37edee302 721 if(flag1 == 0) {
roryhand 1:aac37edee302 722 break;
roryhand 1:aac37edee302 723 }//if(flag1 == 0)
roryhand 1:aac37edee302 724
roryhand 1:aac37edee302 725
roryhand 1:aac37edee302 726 }//while(1)
roryhand 1:aac37edee302 727 }//if(place_hold1 > = BufferLen)
roryhand 0:e89d7a0bfa3b 728
roryhand 1:aac37edee302 729 } else if(flag2 == 1) {
roryhand 45:0e8e1f2ec5d2 730 Buffer2[place_hold2] = Sound1.data_sptr[channel];
roryhand 1:aac37edee302 731 place_hold2 = place_hold2 + 1;
roryhand 1:aac37edee302 732 if(place_hold2 >= BufferLen) {
roryhand 1:aac37edee302 733 while(1) {
roryhand 1:aac37edee302 734
roryhand 1:aac37edee302 735 if(flag2 == 0) {
roryhand 1:aac37edee302 736 break;
roryhand 1:aac37edee302 737 }
roryhand 1:aac37edee302 738 }
roryhand 0:e89d7a0bfa3b 739 }
roryhand 1:aac37edee302 740
roryhand 1:aac37edee302 741 }
roryhand 0:e89d7a0bfa3b 742 }
roryhand 0:e89d7a0bfa3b 743 }
roryhand 59:8e7c25a915a0 744 slice1 = slice1 + 2;//increment up by the number of bytes per Audio data sample! Makes sense it is 2 bytes, as this is 16-bit data.
roryhand 45:0e8e1f2ec5d2 745 slice2 = slice2 + 1;
roryhand 45:0e8e1f2ec5d2 746 slice3 = slice3 + 1;
roryhand 0:e89d7a0bfa3b 747 }
roryhand 0:e89d7a0bfa3b 748 }
roryhand 0:e89d7a0bfa3b 749
roryhand 0:e89d7a0bfa3b 750
roryhand 0:e89d7a0bfa3b 751
roryhand 0:e89d7a0bfa3b 752
roryhand 0:e89d7a0bfa3b 753
roryhand 0:e89d7a0bfa3b 754
roryhand 59:8e7c25a915a0 755