old demo that i want to try in mbed studio
Dependencies: mbed SDFileSystem_Copy_of_mbed_version I2S
NotchingDemo.cpp@90:1dce46f0d9e5, 2020-05-16 (annotated)
- Committer:
- roryhand
- Date:
- Sat May 16 21:25:28 2020 +0000
- Branch:
- LargeFile_Tests
- Revision:
- 90:1dce46f0d9e5
- Parent:
- 87:f5c9beae06ac
current version to try in mbed studio
Who changed what in which revision?
User | Revision | Line number | New 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 | 90:1dce46f0d9e5 | 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 | 75:8a71e269b890 | 39 | Timer OperationsTimer; |
roryhand | 3:6169aeeaeeb4 | 40 | Timer NotchTimer; |
roryhand | 27:a378f1f937ee | 41 | Timer timer_open; |
roryhand | 0:e89d7a0bfa3b | 42 | |
roryhand | 0:e89d7a0bfa3b | 43 | Serial pc(USBTX, USBRX); // tx, rx //FOR DEBUGGING PROGRAM USING GNU SCREEN |
roryhand | 0:e89d7a0bfa3b | 44 | DigitalOut cs(p8); |
roryhand | 0:e89d7a0bfa3b | 45 | I2S i2s(I2S_TRANSMIT, p5, p6, p7); |
roryhand | 0:e89d7a0bfa3b | 46 | SDFileSystem sd(p11, p12, p13, p8, "sd"); // the new pinout that i am using |
roryhand | 0:e89d7a0bfa3b | 47 | |
roryhand | 65:8b6a4e307941 | 48 | class classFade |
roryhand | 65:8b6a4e307941 | 49 | { |
roryhand | 65:8b6a4e307941 | 50 | public: |
roryhand | 65:8b6a4e307941 | 51 | |
roryhand | 65:8b6a4e307941 | 52 | float powerval; |
roryhand | 65:8b6a4e307941 | 53 | float FadeIteration; |
roryhand | 65:8b6a4e307941 | 54 | float DecayFactor; |
roryhand | 65:8b6a4e307941 | 55 | float Denom; |
roryhand | 65:8b6a4e307941 | 56 | float FadeCoeff; |
roryhand | 65:8b6a4e307941 | 57 | float Natural_Exp; |
roryhand | 65:8b6a4e307941 | 58 | int LengthSecs; |
roryhand | 65:8b6a4e307941 | 59 | int Length; |
roryhand | 67:043fe0b81343 | 60 | void FadeDataInitialise() |
roryhand | 67:043fe0b81343 | 61 | { |
roryhand | 67:043fe0b81343 | 62 | DecayFactor = 1.3; |
roryhand | 67:043fe0b81343 | 63 | FadeIteration = 1; |
roryhand | 67:043fe0b81343 | 64 | //FadeData.Denom = 11025*FadeData.DecayFactor; |
roryhand | 67:043fe0b81343 | 65 | Denom = 11025*DecayFactor; |
roryhand | 67:043fe0b81343 | 66 | Natural_Exp = 2.7183; |
roryhand | 67:043fe0b81343 | 67 | Length = 11025*LengthSecs; |
roryhand | 67:043fe0b81343 | 68 | //FadeData.Natural_Exp = 2.7; |
roryhand | 67:043fe0b81343 | 69 | } |
roryhand | 65:8b6a4e307941 | 70 | //member Functions |
roryhand | 65:8b6a4e307941 | 71 | float FadeOut(void) |
roryhand | 65:8b6a4e307941 | 72 | { |
roryhand | 65:8b6a4e307941 | 73 | powerval = -FadeIteration/Denom; |
roryhand | 65:8b6a4e307941 | 74 | if (FadeIteration >=Length) { |
roryhand | 65:8b6a4e307941 | 75 | FadeCoeff = 0; |
roryhand | 65:8b6a4e307941 | 76 | |
roryhand | 65:8b6a4e307941 | 77 | } else { |
roryhand | 65:8b6a4e307941 | 78 | FadeCoeff = (Length - FadeIteration)/Length; |
roryhand | 65:8b6a4e307941 | 79 | } |
roryhand | 65:8b6a4e307941 | 80 | FadeIteration = FadeIteration + 1; |
roryhand | 65:8b6a4e307941 | 81 | return FadeCoeff; |
roryhand | 65:8b6a4e307941 | 82 | |
roryhand | 65:8b6a4e307941 | 83 | } |
roryhand | 65:8b6a4e307941 | 84 | float FadeIn(void) |
roryhand | 65:8b6a4e307941 | 85 | { |
roryhand | 65:8b6a4e307941 | 86 | powerval = FadeIteration/Denom; |
roryhand | 65:8b6a4e307941 | 87 | if (FadeIteration >=Length) { |
roryhand | 65:8b6a4e307941 | 88 | FadeCoeff = 1; |
roryhand | 65:8b6a4e307941 | 89 | |
roryhand | 65:8b6a4e307941 | 90 | } else { |
roryhand | 65:8b6a4e307941 | 91 | FadeCoeff = FadeIteration/Length; |
roryhand | 65:8b6a4e307941 | 92 | } |
roryhand | 65:8b6a4e307941 | 93 | |
roryhand | 65:8b6a4e307941 | 94 | FadeIteration = FadeIteration + 1; |
roryhand | 65:8b6a4e307941 | 95 | return FadeCoeff; |
roryhand | 65:8b6a4e307941 | 96 | |
roryhand | 65:8b6a4e307941 | 97 | } |
roryhand | 65:8b6a4e307941 | 98 | }; |
roryhand | 65:8b6a4e307941 | 99 | |
roryhand | 65:8b6a4e307941 | 100 | |
roryhand | 67:043fe0b81343 | 101 | //Do these variables have to be global?? Find out - may be better (safer) to make them local. |
roryhand | 67:043fe0b81343 | 102 | classFade NotchFadeIn; |
roryhand | 67:043fe0b81343 | 103 | classFade NotchFadeOut; |
roryhand | 67:043fe0b81343 | 104 | |
roryhand | 67:043fe0b81343 | 105 | |
roryhand | 67:043fe0b81343 | 106 | //Dont require the class below. Turns out I had already made a Structure to hold the same information. |
roryhand | 67:043fe0b81343 | 107 | //If in the futre I need to embed functions then I will switch to using this class |
roryhand | 67:043fe0b81343 | 108 | |
roryhand | 67:043fe0b81343 | 109 | |
roryhand | 1:aac37edee302 | 110 | typedef struct uFMT_STRUCT { |
roryhand | 1:aac37edee302 | 111 | short comp_code; |
roryhand | 1:aac37edee302 | 112 | short num_channels; |
roryhand | 1:aac37edee302 | 113 | unsigned sample_rate; |
roryhand | 1:aac37edee302 | 114 | unsigned avg_Bps; |
roryhand | 1:aac37edee302 | 115 | short block_align; |
roryhand | 1:aac37edee302 | 116 | short sig_bps; |
roryhand | 0:e89d7a0bfa3b | 117 | } FMT_STRUCT; |
roryhand | 0:e89d7a0bfa3b | 118 | |
roryhand | 1:aac37edee302 | 119 | typedef struct uNotch_STRUCT { |
roryhand | 1:aac37edee302 | 120 | short Notch; |
roryhand | 1:aac37edee302 | 121 | short NotchTransUp; |
roryhand | 1:aac37edee302 | 122 | short NotchTransDown; |
roryhand | 1:aac37edee302 | 123 | short NotchDirection; |
roryhand | 1:aac37edee302 | 124 | } Notch_STRUCT; |
roryhand | 1:aac37edee302 | 125 | |
roryhand | 67:043fe0b81343 | 126 | Notch_STRUCT NotchingSet; |
roryhand | 67:043fe0b81343 | 127 | |
roryhand | 67:043fe0b81343 | 128 | |
roryhand | 0:e89d7a0bfa3b | 129 | typedef struct uDATA_STRUCT { |
roryhand | 1:aac37edee302 | 130 | unsigned subchunk2_ID; |
roryhand | 1:aac37edee302 | 131 | unsigned subchunk2_size; |
roryhand | 1:aac37edee302 | 132 | char * data_buf; |
roryhand | 1:aac37edee302 | 133 | } DATA_STRUCT; |
roryhand | 0:e89d7a0bfa3b | 134 | |
roryhand | 1:aac37edee302 | 135 | typedef struct uWAV_FILE_STRUCT { |
roryhand | 1:aac37edee302 | 136 | FILE *WavFile; |
roryhand | 1:aac37edee302 | 137 | int id_number; |
roryhand | 1:aac37edee302 | 138 | char *slice_buf; |
roryhand | 1:aac37edee302 | 139 | int num_slices; |
roryhand | 1:aac37edee302 | 140 | FMT_STRUCT FileFormat; |
roryhand | 1:aac37edee302 | 141 | DATA_STRUCT FileData; |
roryhand | 0:e89d7a0bfa3b | 142 | } WAV_FILE_STRUCT; |
roryhand | 0:e89d7a0bfa3b | 143 | |
roryhand | 0:e89d7a0bfa3b | 144 | /*typedef struct uWAV_FILE_STRUCT{ |
roryhand | 1:aac37edee302 | 145 | FILE* WavFile; |
roryhand | 1:aac37edee302 | 146 | |
roryhand | 1:aac37edee302 | 147 | |
roryhand | 0:e89d7a0bfa3b | 148 | }WAV_FILE_STRUCT;*/ |
roryhand | 59:8e7c25a915a0 | 149 | |
roryhand | 59:8e7c25a915a0 | 150 | |
roryhand | 59:8e7c25a915a0 | 151 | |
roryhand | 59:8e7c25a915a0 | 152 | |
roryhand | 59:8e7c25a915a0 | 153 | |
roryhand | 59:8e7c25a915a0 | 154 | class classSoundFile |
roryhand | 59:8e7c25a915a0 | 155 | { |
roryhand | 59:8e7c25a915a0 | 156 | public: |
roryhand | 59:8e7c25a915a0 | 157 | |
roryhand | 59:8e7c25a915a0 | 158 | //add a class constructor at some point in the future (perform tests in visual studio) |
roryhand | 59:8e7c25a915a0 | 159 | WAV_FILE_STRUCT FileInfo; |
roryhand | 59:8e7c25a915a0 | 160 | short * data_sptr; |
roryhand | 59:8e7c25a915a0 | 161 | string file_location; |
roryhand | 59:8e7c25a915a0 | 162 | //classSoundFile(string filename);//this is the constructor |
roryhand | 59:8e7c25a915a0 | 163 | //string filename; |
roryhand | 59:8e7c25a915a0 | 164 | }; |
roryhand | 58:a174e7a8f5f2 | 165 | class classPositionIndicators |
roryhand | 57:0c76b15cabaf | 166 | { |
roryhand | 57:0c76b15cabaf | 167 | public: |
roryhand | 57:0c76b15cabaf | 168 | int notch1_indicator, notch2_indicator, notch3_indicator, notch4_indicator; |
roryhand | 57:0c76b15cabaf | 169 | int notch5_indicator, notch6_indicator, notch7_indicator, notch8_indicator; |
roryhand | 57:0c76b15cabaf | 170 | int notch1_start_pt, notch2_start_pt, notch3_start_pt, notch4_start_pt; |
roryhand | 57:0c76b15cabaf | 171 | int notch5_start_pt, notch6_start_pt, notch7_start_pt, notch8_start_pt; |
roryhand | 63:a8c1971d3d42 | 172 | int N1N2_start_pt, N2N3_start_pt, N3N4_start_pt, N4N5_start_pt, N5N6_start_pt; |
roryhand | 63:a8c1971d3d42 | 173 | int N6N7_start_pt, N7N8_start_pt, N8N7_start_pt, N7N6_start_pt, N6N5_start_pt; |
roryhand | 63:a8c1971d3d42 | 174 | int N5N4_start_pt, N4N3_start_pt, N3N2_start_pt, N2N1_start_pt; |
roryhand | 67:043fe0b81343 | 175 | |
roryhand | 61:212d2db45c56 | 176 | int notch_start_pts [9]; |
roryhand | 61:212d2db45c56 | 177 | int notch_position_indicators[9]; |
roryhand | 61:212d2db45c56 | 178 | int notch_transitions_start_pts[15]; |
roryhand | 61:212d2db45c56 | 179 | int notch_transitions_position_indicators[15]; |
roryhand | 61:212d2db45c56 | 180 | int auxiliary_start_pts[5]; |
roryhand | 61:212d2db45c56 | 181 | int auxiliary_position_indicators[5]; |
roryhand | 58:a174e7a8f5f2 | 182 | classPositionIndicators() |
roryhand | 57:0c76b15cabaf | 183 | { |
roryhand | 57:0c76b15cabaf | 184 | notch1_start_pt = 44; |
roryhand | 57:0c76b15cabaf | 185 | notch2_start_pt = 220884+44; |
roryhand | 57:0c76b15cabaf | 186 | notch3_start_pt = notch2_start_pt+217698; |
roryhand | 57:0c76b15cabaf | 187 | notch4_start_pt = notch3_start_pt + 193060; |
roryhand | 57:0c76b15cabaf | 188 | notch5_start_pt = notch4_start_pt + 92010; |
roryhand | 57:0c76b15cabaf | 189 | notch6_start_pt = notch5_start_pt + 216642; |
roryhand | 57:0c76b15cabaf | 190 | notch7_start_pt = notch6_start_pt + 250316; |
roryhand | 61:212d2db45c56 | 191 | notch8_start_pt = notch7_start_pt + 150152; |
roryhand | 57:0c76b15cabaf | 192 | notch1_indicator = notch1_start_pt; |
roryhand | 57:0c76b15cabaf | 193 | notch2_indicator = notch2_start_pt; |
roryhand | 57:0c76b15cabaf | 194 | notch3_indicator = notch3_start_pt; |
roryhand | 57:0c76b15cabaf | 195 | notch4_indicator = notch4_start_pt; |
roryhand | 57:0c76b15cabaf | 196 | notch5_indicator = notch5_start_pt; |
roryhand | 57:0c76b15cabaf | 197 | notch6_indicator = notch6_start_pt; |
roryhand | 57:0c76b15cabaf | 198 | notch7_indicator = notch7_start_pt; |
roryhand | 57:0c76b15cabaf | 199 | notch8_indicator = notch8_start_pt; |
roryhand | 61:212d2db45c56 | 200 | notch_start_pts[1] = notch1_start_pt; |
roryhand | 61:212d2db45c56 | 201 | notch_start_pts[2] = notch2_start_pt; |
roryhand | 61:212d2db45c56 | 202 | notch_start_pts[3] = notch3_start_pt; |
roryhand | 61:212d2db45c56 | 203 | notch_start_pts[4] = notch4_start_pt; |
roryhand | 61:212d2db45c56 | 204 | notch_start_pts[5] = notch5_start_pt; |
roryhand | 61:212d2db45c56 | 205 | notch_start_pts[6] = notch6_start_pt; |
roryhand | 61:212d2db45c56 | 206 | notch_start_pts[7] = notch7_start_pt; |
roryhand | 61:212d2db45c56 | 207 | notch_start_pts[8] = notch8_start_pt; |
roryhand | 61:212d2db45c56 | 208 | notch_position_indicators[1] = notch1_indicator; |
roryhand | 61:212d2db45c56 | 209 | notch_position_indicators[2] = notch2_indicator; |
roryhand | 61:212d2db45c56 | 210 | notch_position_indicators[3] = notch3_indicator; |
roryhand | 61:212d2db45c56 | 211 | notch_position_indicators[4] = notch4_indicator; |
roryhand | 61:212d2db45c56 | 212 | notch_position_indicators[5] = notch5_indicator; |
roryhand | 61:212d2db45c56 | 213 | notch_position_indicators[6] = notch6_indicator; |
roryhand | 61:212d2db45c56 | 214 | notch_position_indicators[7] = notch7_indicator; |
roryhand | 61:212d2db45c56 | 215 | notch_position_indicators[8] = notch8_indicator; |
roryhand | 67:043fe0b81343 | 216 | |
roryhand | 63:a8c1971d3d42 | 217 | N1N2_start_pt = 44; |
roryhand | 63:a8c1971d3d42 | 218 | N2N3_start_pt = N1N2_start_pt + 73220; |
roryhand | 63:a8c1971d3d42 | 219 | N3N4_start_pt = N2N3_start_pt + 78164; |
roryhand | 63:a8c1971d3d42 | 220 | N4N5_start_pt = N3N4_start_pt + 59432; |
roryhand | 63:a8c1971d3d42 | 221 | N5N6_start_pt = N4N5_start_pt + 64984; |
roryhand | 63:a8c1971d3d42 | 222 | N6N7_start_pt = N5N6_start_pt + 59924; |
roryhand | 63:a8c1971d3d42 | 223 | N7N8_start_pt = N6N7_start_pt + 97874; |
roryhand | 63:a8c1971d3d42 | 224 | N8N7_start_pt = N7N8_start_pt + 63992; |
roryhand | 63:a8c1971d3d42 | 225 | N7N6_start_pt = N8N7_start_pt + 44506; |
roryhand | 63:a8c1971d3d42 | 226 | N6N5_start_pt = N7N6_start_pt + 55052; |
roryhand | 63:a8c1971d3d42 | 227 | N5N4_start_pt = N6N5_start_pt + 37038; |
roryhand | 63:a8c1971d3d42 | 228 | N4N3_start_pt = N5N4_start_pt + 49692; |
roryhand | 63:a8c1971d3d42 | 229 | N3N2_start_pt = N4N3_start_pt + 44100; |
roryhand | 63:a8c1971d3d42 | 230 | N2N1_start_pt = N3N2_start_pt + 58346; |
roryhand | 67:043fe0b81343 | 231 | |
roryhand | 67:043fe0b81343 | 232 | |
roryhand | 63:a8c1971d3d42 | 233 | notch_transitions_start_pts[1] = N1N2_start_pt; |
roryhand | 63:a8c1971d3d42 | 234 | notch_transitions_start_pts[2] = N2N3_start_pt; |
roryhand | 63:a8c1971d3d42 | 235 | notch_transitions_start_pts[3] = N3N4_start_pt; |
roryhand | 63:a8c1971d3d42 | 236 | notch_transitions_start_pts[4] = N4N5_start_pt; |
roryhand | 63:a8c1971d3d42 | 237 | notch_transitions_start_pts[5] = N5N6_start_pt; |
roryhand | 63:a8c1971d3d42 | 238 | notch_transitions_start_pts[6] = N6N7_start_pt; |
roryhand | 63:a8c1971d3d42 | 239 | notch_transitions_start_pts[7] = N7N8_start_pt; |
roryhand | 63:a8c1971d3d42 | 240 | notch_transitions_start_pts[8] = N8N7_start_pt; |
roryhand | 63:a8c1971d3d42 | 241 | notch_transitions_start_pts[9] = N7N6_start_pt; |
roryhand | 63:a8c1971d3d42 | 242 | notch_transitions_start_pts[10] = N6N5_start_pt; |
roryhand | 63:a8c1971d3d42 | 243 | notch_transitions_start_pts[11] = N5N4_start_pt; |
roryhand | 63:a8c1971d3d42 | 244 | notch_transitions_start_pts[12] = N4N3_start_pt; |
roryhand | 63:a8c1971d3d42 | 245 | notch_transitions_start_pts[13] = N3N2_start_pt; |
roryhand | 63:a8c1971d3d42 | 246 | notch_transitions_start_pts[14] = N2N1_start_pt; |
roryhand | 67:043fe0b81343 | 247 | |
roryhand | 67:043fe0b81343 | 248 | |
roryhand | 63:a8c1971d3d42 | 249 | notch_transitions_position_indicators[1] = N1N2_start_pt; |
roryhand | 63:a8c1971d3d42 | 250 | notch_transitions_position_indicators[2] = N2N3_start_pt; |
roryhand | 63:a8c1971d3d42 | 251 | notch_transitions_position_indicators[3] = N3N4_start_pt; |
roryhand | 63:a8c1971d3d42 | 252 | notch_transitions_position_indicators[4] = N4N5_start_pt; |
roryhand | 63:a8c1971d3d42 | 253 | notch_transitions_position_indicators[5] = N5N6_start_pt; |
roryhand | 63:a8c1971d3d42 | 254 | notch_transitions_position_indicators[6] = N6N7_start_pt; |
roryhand | 63:a8c1971d3d42 | 255 | notch_transitions_position_indicators[7] = N7N8_start_pt; |
roryhand | 63:a8c1971d3d42 | 256 | notch_transitions_position_indicators[8] = N8N7_start_pt; |
roryhand | 63:a8c1971d3d42 | 257 | notch_transitions_position_indicators[9] = N7N6_start_pt; |
roryhand | 63:a8c1971d3d42 | 258 | notch_transitions_position_indicators[10] = N6N5_start_pt; |
roryhand | 63:a8c1971d3d42 | 259 | notch_transitions_position_indicators[11] = N5N4_start_pt; |
roryhand | 63:a8c1971d3d42 | 260 | notch_transitions_position_indicators[12] = N4N3_start_pt; |
roryhand | 63:a8c1971d3d42 | 261 | notch_transitions_position_indicators[13] = N3N2_start_pt; |
roryhand | 63:a8c1971d3d42 | 262 | notch_transitions_position_indicators[14] = N2N1_start_pt; |
roryhand | 57:0c76b15cabaf | 263 | } |
roryhand | 57:0c76b15cabaf | 264 | }; |
roryhand | 57:0c76b15cabaf | 265 | |
roryhand | 73:a5ab93214728 | 266 | int TransitionFlag; |
roryhand | 66:edf370edd21c | 267 | void NotchUpIsr() |
roryhand | 66:edf370edd21c | 268 | { |
roryhand | 66:edf370edd21c | 269 | if(1 <= NotchingSet.Notch < 8) { |
roryhand | 66:edf370edd21c | 270 | |
roryhand | 66:edf370edd21c | 271 | NotchingSet.Notch = NotchingSet.Notch + 1; |
roryhand | 66:edf370edd21c | 272 | NotchingSet.NotchTransUp = NotchingSet.Notch + 7; |
roryhand | 66:edf370edd21c | 273 | NotchingSet.NotchDirection = 1; |
roryhand | 67:043fe0b81343 | 274 | NotchFadeIn.FadeDataInitialise(); |
roryhand | 67:043fe0b81343 | 275 | NotchFadeOut.FadeDataInitialise(); |
roryhand | 73:a5ab93214728 | 276 | TransitionFlag = 1; |
roryhand | 74:e71a7815f63d | 277 | //printf("We are in the NotchUpIsr() section \n\r"); |
roryhand | 67:043fe0b81343 | 278 | //NotchFadeOut.FadeDataInitialise; |
roryhand | 66:edf370edd21c | 279 | } |
roryhand | 66:edf370edd21c | 280 | } |
roryhand | 66:edf370edd21c | 281 | |
roryhand | 66:edf370edd21c | 282 | void NotchDownIsr() |
roryhand | 66:edf370edd21c | 283 | { |
roryhand | 66:edf370edd21c | 284 | if(1 < NotchingSet.Notch <= 8) { |
roryhand | 66:edf370edd21c | 285 | NotchingSet.Notch = NotchingSet.Notch - 1; |
roryhand | 67:043fe0b81343 | 286 | NotchingSet.NotchTransDown = NotchingSet.Notch + 15; |
roryhand | 66:edf370edd21c | 287 | NotchingSet.NotchDirection = 0; |
roryhand | 67:043fe0b81343 | 288 | NotchFadeIn.FadeDataInitialise(); |
roryhand | 67:043fe0b81343 | 289 | NotchFadeOut.FadeDataInitialise(); |
roryhand | 74:e71a7815f63d | 290 | TransitionFlag = 1; |
roryhand | 66:edf370edd21c | 291 | } |
roryhand | 66:edf370edd21c | 292 | } |
roryhand | 73:a5ab93214728 | 293 | short * data_sptr1; |
roryhand | 73:a5ab93214728 | 294 | short * data_sptr2; |
roryhand | 73:a5ab93214728 | 295 | short * data_sptr3; |
roryhand | 69:df10ee3ad523 | 296 | char *slice_buf1; |
roryhand | 69:df10ee3ad523 | 297 | char *slice_buf2; |
roryhand | 69:df10ee3ad523 | 298 | char *slice_buf3; |
roryhand | 67:043fe0b81343 | 299 | |
roryhand | 54:606a83fff291 | 300 | int OneOff = 0; |
roryhand | 38:3b4c05af5f36 | 301 | int notch_flag = 0; |
roryhand | 0:e89d7a0bfa3b | 302 | int i = 0; |
roryhand | 0:e89d7a0bfa3b | 303 | int h = 0; |
roryhand | 0:e89d7a0bfa3b | 304 | short bufflen = 1; |
roryhand | 0:e89d7a0bfa3b | 305 | int buffer[1]; |
roryhand | 86:404ce47e1e6e | 306 | |
roryhand | 0:e89d7a0bfa3b | 307 | char *slice_buf; |
roryhand | 0:e89d7a0bfa3b | 308 | short *data_sptr; |
roryhand | 86:404ce47e1e6e | 309 | |
roryhand | 86:404ce47e1e6e | 310 | |
roryhand | 86:404ce47e1e6e | 311 | |
roryhand | 0:e89d7a0bfa3b | 312 | unsigned channel; |
roryhand | 45:0e8e1f2ec5d2 | 313 | long slice, slice1, slice2, slice3, num_slices; |
roryhand | 0:e89d7a0bfa3b | 314 | int interrupt_condition = 1; |
roryhand | 0:e89d7a0bfa3b | 315 | int sampling_freq = 11025; |
roryhand | 0:e89d7a0bfa3b | 316 | const int BufferLen = 2000; |
roryhand | 0:e89d7a0bfa3b | 317 | short Buffer1[BufferLen]; |
roryhand | 0:e89d7a0bfa3b | 318 | short Buffer2[BufferLen]; |
roryhand | 0:e89d7a0bfa3b | 319 | short place_hold1 = 0; |
roryhand | 0:e89d7a0bfa3b | 320 | short place_hold2 = 0; |
roryhand | 0:e89d7a0bfa3b | 321 | |
roryhand | 3:6169aeeaeeb4 | 322 | |
roryhand | 86:404ce47e1e6e | 323 | |
roryhand | 3:6169aeeaeeb4 | 324 | |
roryhand | 0:e89d7a0bfa3b | 325 | volatile int flag1 = 1; |
roryhand | 0:e89d7a0bfa3b | 326 | volatile int flag2 = 0; |
roryhand | 0:e89d7a0bfa3b | 327 | volatile int flag3 = 1; |
roryhand | 0:e89d7a0bfa3b | 328 | volatile int flag4 = 0; |
roryhand | 0:e89d7a0bfa3b | 329 | int FLAGBUFF1 = 0; |
roryhand | 0:e89d7a0bfa3b | 330 | int FLAGBUFF2 = 0; |
roryhand | 0:e89d7a0bfa3b | 331 | int BellFlag = 0; |
roryhand | 0:e89d7a0bfa3b | 332 | int BellFlag2 = 0; |
roryhand | 0:e89d7a0bfa3b | 333 | int FadeFlag = 0; |
roryhand | 54:606a83fff291 | 334 | int BlockFlag = 0; |
roryhand | 86:404ce47e1e6e | 335 | |
roryhand | 0:e89d7a0bfa3b | 336 | |
roryhand | 0:e89d7a0bfa3b | 337 | |
roryhand | 0:e89d7a0bfa3b | 338 | short value[1]; |
roryhand | 59:8e7c25a915a0 | 339 | |
roryhand | 0:e89d7a0bfa3b | 340 | //long long slice_value; |
roryhand | 0:e89d7a0bfa3b | 341 | int slice_value[1]; |
roryhand | 0:e89d7a0bfa3b | 342 | |
roryhand | 0:e89d7a0bfa3b | 343 | |
roryhand | 45:0e8e1f2ec5d2 | 344 | |
roryhand | 45:0e8e1f2ec5d2 | 345 | |
roryhand | 0:e89d7a0bfa3b | 346 | |
roryhand | 0:e89d7a0bfa3b | 347 | void isr() |
roryhand | 0:e89d7a0bfa3b | 348 | { |
roryhand | 54:606a83fff291 | 349 | //timer_interrupt.start(); |
roryhand | 1:aac37edee302 | 350 | if(flag1 == 0) { |
roryhand | 0:e89d7a0bfa3b | 351 | value[0] = Buffer1[place_hold1]>>4; |
roryhand | 0:e89d7a0bfa3b | 352 | i2s.write(value,1);//Send next PWM value to amp |
roryhand | 0:e89d7a0bfa3b | 353 | place_hold1 = place_hold1 + 1; |
roryhand | 1:aac37edee302 | 354 | if( (place_hold1 >= BufferLen)) { |
roryhand | 0:e89d7a0bfa3b | 355 | led2 = !led2; |
roryhand | 0:e89d7a0bfa3b | 356 | place_hold1 = 0; |
roryhand | 0:e89d7a0bfa3b | 357 | place_hold2 = 0; |
roryhand | 0:e89d7a0bfa3b | 358 | flag1 = 1; |
roryhand | 0:e89d7a0bfa3b | 359 | flag2 = 0; |
roryhand | 1:aac37edee302 | 360 | } |
roryhand | 1:aac37edee302 | 361 | } else if(flag2 == 0) { |
roryhand | 0:e89d7a0bfa3b | 362 | value[0] = Buffer2[place_hold2]>>4; |
roryhand | 0:e89d7a0bfa3b | 363 | i2s.write(value,1);//Send next PWM value to amp |
roryhand | 0:e89d7a0bfa3b | 364 | place_hold2 = place_hold2 + 1; |
roryhand | 1:aac37edee302 | 365 | if( (place_hold2 >= BufferLen) ) { |
roryhand | 0:e89d7a0bfa3b | 366 | led2 = !led2; |
roryhand | 0:e89d7a0bfa3b | 367 | place_hold1 = 0; |
roryhand | 0:e89d7a0bfa3b | 368 | place_hold2 = 0; |
roryhand | 0:e89d7a0bfa3b | 369 | flag1 = 0; |
roryhand | 1:aac37edee302 | 370 | flag2 = 1; |
roryhand | 0:e89d7a0bfa3b | 371 | FLAGBUFF2 = 0; |
roryhand | 1:aac37edee302 | 372 | } |
roryhand | 0:e89d7a0bfa3b | 373 | } |
roryhand | 54:606a83fff291 | 374 | |
roryhand | 54:606a83fff291 | 375 | //timer_interrupt.stop(); |
roryhand | 54:606a83fff291 | 376 | |
roryhand | 0:e89d7a0bfa3b | 377 | } |
roryhand | 1:aac37edee302 | 378 | |
roryhand | 38:3b4c05af5f36 | 379 | |
roryhand | 38:3b4c05af5f36 | 380 | |
roryhand | 38:3b4c05af5f36 | 381 | |
roryhand | 38:3b4c05af5f36 | 382 | |
roryhand | 0:e89d7a0bfa3b | 383 | |
roryhand | 59:8e7c25a915a0 | 384 | |
roryhand | 59:8e7c25a915a0 | 385 | |
roryhand | 59:8e7c25a915a0 | 386 | |
roryhand | 59:8e7c25a915a0 | 387 | |
roryhand | 59:8e7c25a915a0 | 388 | |
roryhand | 3:6169aeeaeeb4 | 389 | |
roryhand | 3:6169aeeaeeb4 | 390 | |
roryhand | 3:6169aeeaeeb4 | 391 | |
roryhand | 3:6169aeeaeeb4 | 392 | |
roryhand | 3:6169aeeaeeb4 | 393 | |
roryhand | 3:6169aeeaeeb4 | 394 | //function prototypes |
roryhand | 67:043fe0b81343 | 395 | //classFade FadeDataInitialise(classFade FadeData); |
roryhand | 45:0e8e1f2ec5d2 | 396 | classSoundFile ReadFileInfo(classSoundFile Sound, FILE * wav_file); |
roryhand | 3:6169aeeaeeb4 | 397 | classSoundFile LoadFileStream(classSoundFile FileInfo, string filename); |
roryhand | 3:6169aeeaeeb4 | 398 | void Play_WaveFile(FILE * my_wav, WAV_FILE_STRUCT FileInfo); |
roryhand | 32:6ee488c97dcc | 399 | void Play_WaveFileDual(FILE * my_wav, WAV_FILE_STRUCT FileInfo); |
roryhand | 77:e93c944ed30f | 400 | void Play_WaveFileLoop(classSoundFile Sound1, classSoundFile Sound2, FILE* wavfile1, FILE* wavfile2,classPositionIndicators Positions); |
roryhand | 0:e89d7a0bfa3b | 401 | |
roryhand | 1:aac37edee302 | 402 | int main() |
roryhand | 1:aac37edee302 | 403 | { |
roryhand | 44:a9e84d333a6a | 404 | |
roryhand | 0:e89d7a0bfa3b | 405 | NotchUp.mode(PullUp); |
roryhand | 38:3b4c05af5f36 | 406 | NotchDown.mode(PullUp); |
roryhand | 0:e89d7a0bfa3b | 407 | |
roryhand | 0:e89d7a0bfa3b | 408 | pc.printf("Beginning of program\n"); |
roryhand | 32:6ee488c97dcc | 409 | |
roryhand | 13:8e93396a27c5 | 410 | |
roryhand | 13:8e93396a27c5 | 411 | |
roryhand | 4:55fbbb049bae | 412 | |
roryhand | 25:5336e1cf38d6 | 413 | printf("Do we even get to this stupid bloody point\n\r"); |
roryhand | 0:e89d7a0bfa3b | 414 | //Populate our class instances with some data (is there an implicit way to do this?) |
roryhand | 28:6b2353fad12d | 415 | |
roryhand | 1:aac37edee302 | 416 | |
roryhand | 3:6169aeeaeeb4 | 417 | printf("hello\n\r"); |
roryhand | 0:e89d7a0bfa3b | 418 | //Set up the wolfson Audio Codec board |
roryhand | 74:e71a7815f63d | 419 | |
roryhand | 74:e71a7815f63d | 420 | |
roryhand | 0:e89d7a0bfa3b | 421 | wm8731_Config_setup(); |
roryhand | 0:e89d7a0bfa3b | 422 | //i2s audio data transfer code?? |
roryhand | 0:e89d7a0bfa3b | 423 | i2s.stereomono(I2S_STEREO); |
roryhand | 0:e89d7a0bfa3b | 424 | i2s.masterslave(I2S_MASTER); |
roryhand | 0:e89d7a0bfa3b | 425 | led3 = 1; |
roryhand | 0:e89d7a0bfa3b | 426 | led2 = 1; |
roryhand | 45:0e8e1f2ec5d2 | 427 | printf("Hello i2s has started!"); |
roryhand | 30:4a8e80b243c4 | 428 | i2s.start(); |
roryhand | 0:e89d7a0bfa3b | 429 | sampletick.attach(&isr,1.0/sampling_freq); //1/16000 |
roryhand | 73:a5ab93214728 | 430 | NotchUpTick.attach(&NotchUpIsr,10.0); |
roryhand | 67:043fe0b81343 | 431 | |
roryhand | 74:e71a7815f63d | 432 | |
roryhand | 74:e71a7815f63d | 433 | |
roryhand | 67:043fe0b81343 | 434 | NotchFadeIn.LengthSecs = 2; |
roryhand | 67:043fe0b81343 | 435 | NotchFadeOut.LengthSecs = 2; |
roryhand | 67:043fe0b81343 | 436 | |
roryhand | 67:043fe0b81343 | 437 | NotchFadeIn.FadeDataInitialise(); |
roryhand | 67:043fe0b81343 | 438 | NotchFadeOut.FadeDataInitialise(); |
roryhand | 67:043fe0b81343 | 439 | |
roryhand | 74:e71a7815f63d | 440 | |
roryhand | 58:a174e7a8f5f2 | 441 | classPositionIndicators Positions; |
roryhand | 74:e71a7815f63d | 442 | slice1 = Positions.notch_start_pts[1]; |
roryhand | 74:e71a7815f63d | 443 | |
roryhand | 74:e71a7815f63d | 444 | |
roryhand | 73:a5ab93214728 | 445 | |
roryhand | 73:a5ab93214728 | 446 | TransitionFlag = 0; |
roryhand | 73:a5ab93214728 | 447 | |
roryhand | 87:f5c9beae06ac | 448 | FILE* wavfile1 = fopen("/sd/mydir/SoundDecoder_second/01.wav","rb"); |
roryhand | 86:404ce47e1e6e | 449 | FILE* wavfile2 = fopen("/sd/mydir/SoundDecoder_second/04.wav","rb"); |
roryhand | 86:404ce47e1e6e | 450 | FILE* wavfile3 = fopen("/sd/mydir/SoundDecoder_second/05.wav","rb"); |
roryhand | 74:e71a7815f63d | 451 | |
roryhand | 60:36df2997de3d | 452 | //FILE* wavfile1 = fopen("/sd/mydir/SoundDecoder_second/01.wav","rb"); |
roryhand | 58:a174e7a8f5f2 | 453 | classSoundFile Sound1; |
roryhand | 73:a5ab93214728 | 454 | classSoundFile Sound2; |
roryhand | 86:404ce47e1e6e | 455 | classSoundFile Sound4; |
roryhand | 86:404ce47e1e6e | 456 | |
roryhand | 86:404ce47e1e6e | 457 | |
roryhand | 86:404ce47e1e6e | 458 | Sound4 = ReadFileInfo(Sound4, wavfile3); |
roryhand | 73:a5ab93214728 | 459 | Sound2 = ReadFileInfo(Sound2, wavfile2); |
roryhand | 58:a174e7a8f5f2 | 460 | Sound1 = ReadFileInfo(Sound1, wavfile1); |
roryhand | 86:404ce47e1e6e | 461 | printf("sizeof(Sound1): %d bytes\n\r",sizeof(Sound1)); |
roryhand | 73:a5ab93214728 | 462 | NotchingSet.Notch = 1; |
roryhand | 77:e93c944ed30f | 463 | //Positions.notch_position_indicators[1] = 44; |
roryhand | 73:a5ab93214728 | 464 | fseek(wavfile1,Positions.notch_start_pts[1],SEEK_SET); |
roryhand | 73:a5ab93214728 | 465 | fseek(wavfile2,Positions.notch_transitions_start_pts[1],SEEK_SET); |
roryhand | 20:9cc7d825c07b | 466 | printf("about to play wav file\n\r"); |
roryhand | 77:e93c944ed30f | 467 | Play_WaveFileLoop(Sound1,Sound2, wavfile1,wavfile2, Positions); |
roryhand | 20:9cc7d825c07b | 468 | printf("finished playing Wav file\n\r"); |
roryhand | 54:606a83fff291 | 469 | |
roryhand | 54:606a83fff291 | 470 | |
roryhand | 31:0f8c3adf09c3 | 471 | timer_open.reset(); |
roryhand | 31:0f8c3adf09c3 | 472 | timer_open.start(); |
roryhand | 45:0e8e1f2ec5d2 | 473 | fclose(wavfile1); |
roryhand | 31:0f8c3adf09c3 | 474 | timer_open.stop(); |
roryhand | 31:0f8c3adf09c3 | 475 | printf("It took %d useconds to close file\n\r",timer_open.read_us()); |
roryhand | 54:606a83fff291 | 476 | |
roryhand | 54:606a83fff291 | 477 | |
roryhand | 54:606a83fff291 | 478 | |
roryhand | 54:606a83fff291 | 479 | |
roryhand | 9:dd9cae06b202 | 480 | /************************************PLAY WAV FILE LOOP*******************/ |
roryhand | 9:dd9cae06b202 | 481 | /************************************END OF PLAY WAV FILE LOOP*************/ |
roryhand | 13:8e93396a27c5 | 482 | |
roryhand | 13:8e93396a27c5 | 483 | |
roryhand | 1:aac37edee302 | 484 | i2s.stop(); |
roryhand | 74:e71a7815f63d | 485 | |
roryhand | 0:e89d7a0bfa3b | 486 | |
roryhand | 0:e89d7a0bfa3b | 487 | } |
roryhand | 0:e89d7a0bfa3b | 488 | |
roryhand | 0:e89d7a0bfa3b | 489 | |
roryhand | 3:6169aeeaeeb4 | 490 | |
roryhand | 3:6169aeeaeeb4 | 491 | |
roryhand | 3:6169aeeaeeb4 | 492 | |
roryhand | 3:6169aeeaeeb4 | 493 | |
roryhand | 45:0e8e1f2ec5d2 | 494 | classSoundFile ReadFileInfo(classSoundFile Sound, FILE * wav_file) |
roryhand | 0:e89d7a0bfa3b | 495 | { |
roryhand | 0:e89d7a0bfa3b | 496 | fseek(wav_file,20,SEEK_SET); |
roryhand | 22:706e86dc0d45 | 497 | printf("We have just seeked through this file\n\r"); |
roryhand | 45:0e8e1f2ec5d2 | 498 | fread(&Sound.FileInfo.FileFormat,sizeof(Sound.FileInfo.FileFormat),1,wav_file); |
roryhand | 1:aac37edee302 | 499 | //printf("wav_format.sample_rate: %d\n\r",FileInfo.FileFormat.sample_rate); |
roryhand | 1:aac37edee302 | 500 | |
roryhand | 45:0e8e1f2ec5d2 | 501 | fread(&Sound.FileInfo.FileData,sizeof(Sound.FileInfo.FileData),1,wav_file); |
roryhand | 55:5a441d3b0d57 | 502 | printf("wav_data.subchunk2_size: %d\n\r",Sound.FileInfo.FileData.subchunk2_size); |
roryhand | 45:0e8e1f2ec5d2 | 503 | Sound.FileInfo.slice_buf = ( char *)malloc(Sound.FileInfo.FileFormat.block_align); |
roryhand | 59:8e7c25a915a0 | 504 | printf("Wav File Block Align (number of bytes per sample!!: %d\n\r", Sound.FileInfo.FileFormat.block_align); |
roryhand | 45:0e8e1f2ec5d2 | 505 | fread(Sound.FileInfo.slice_buf,Sound.FileInfo.FileFormat.block_align,1,wav_file); //This isnt actually required, its just a test |
roryhand | 45:0e8e1f2ec5d2 | 506 | Sound.FileInfo.num_slices = Sound.FileInfo.FileData.subchunk2_size/Sound.FileInfo.FileFormat.block_align; |
roryhand | 1:aac37edee302 | 507 | //printf("Number of Slices: %d\n\r",FileInfo.num_slices); |
roryhand | 45:0e8e1f2ec5d2 | 508 | return Sound; |
roryhand | 0:e89d7a0bfa3b | 509 | } |
roryhand | 1:aac37edee302 | 510 | |
roryhand | 1:aac37edee302 | 511 | |
roryhand | 64:6061ffe25985 | 512 | //Function to initialise Data for classFade objects. Perhaps move this into a constructor for the class? (class still to be added) |
roryhand | 67:043fe0b81343 | 513 | /* |
roryhand | 64:6061ffe25985 | 514 | classFade FadeDataInitialise(classFade FadeData) |
roryhand | 64:6061ffe25985 | 515 | { |
roryhand | 64:6061ffe25985 | 516 | FadeData.DecayFactor = 1.3; |
roryhand | 64:6061ffe25985 | 517 | FadeData.FadeIteration = 1; |
roryhand | 64:6061ffe25985 | 518 | //FadeData.Denom = 11025*FadeData.DecayFactor; |
roryhand | 64:6061ffe25985 | 519 | FadeData.Denom = 11025*FadeData.DecayFactor; |
roryhand | 64:6061ffe25985 | 520 | FadeData.Natural_Exp = 2.7183; |
roryhand | 64:6061ffe25985 | 521 | FadeData.Length = 11025*FadeData.LengthSecs; |
roryhand | 64:6061ffe25985 | 522 | //FadeData.Natural_Exp = 2.7; |
roryhand | 64:6061ffe25985 | 523 | return FadeData; |
roryhand | 64:6061ffe25985 | 524 | } |
roryhand | 67:043fe0b81343 | 525 | */ |
roryhand | 1:aac37edee302 | 526 | |
roryhand | 1:aac37edee302 | 527 | |
roryhand | 1:aac37edee302 | 528 | |
roryhand | 0:e89d7a0bfa3b | 529 | |
roryhand | 0:e89d7a0bfa3b | 530 | void Play_WaveFile(FILE * my_wav, WAV_FILE_STRUCT FileInfo) |
roryhand | 0:e89d7a0bfa3b | 531 | { |
roryhand | 1:aac37edee302 | 532 | while(slice<FileInfo.num_slices) { |
roryhand | 1:aac37edee302 | 533 | fread(FileInfo.slice_buf,FileInfo.FileFormat.block_align,1,my_wav); |
roryhand | 1:aac37edee302 | 534 | data_sptr=(short *)FileInfo.slice_buf; // 16 bit samples |
roryhand | 1:aac37edee302 | 535 | for (channel=0; channel<FileInfo.FileFormat.num_channels; channel++) { |
roryhand | 1:aac37edee302 | 536 | if(flag1 == 1) { |
roryhand | 1:aac37edee302 | 537 | Buffer1[place_hold1] = data_sptr[channel]; |
roryhand | 1:aac37edee302 | 538 | place_hold1 = place_hold1 + 1; |
roryhand | 1:aac37edee302 | 539 | if(place_hold1 >= BufferLen) { |
roryhand | 1:aac37edee302 | 540 | while(1) { |
roryhand | 1:aac37edee302 | 541 | if(flag1 == 0) { |
roryhand | 0:e89d7a0bfa3b | 542 | |
roryhand | 1:aac37edee302 | 543 | break; |
roryhand | 0:e89d7a0bfa3b | 544 | } |
roryhand | 1:aac37edee302 | 545 | |
roryhand | 0:e89d7a0bfa3b | 546 | } |
roryhand | 1:aac37edee302 | 547 | } |
roryhand | 1:aac37edee302 | 548 | |
roryhand | 1:aac37edee302 | 549 | } else if(flag2 == 1) { |
roryhand | 1:aac37edee302 | 550 | Buffer2[place_hold2] = data_sptr[channel]; |
roryhand | 1:aac37edee302 | 551 | place_hold2 = place_hold2 + 1; |
roryhand | 1:aac37edee302 | 552 | if(place_hold2 >= BufferLen) { |
roryhand | 1:aac37edee302 | 553 | |
roryhand | 1:aac37edee302 | 554 | while(1) { |
roryhand | 1:aac37edee302 | 555 | if(flag2 == 0) { |
roryhand | 1:aac37edee302 | 556 | |
roryhand | 1:aac37edee302 | 557 | break; |
roryhand | 1:aac37edee302 | 558 | } |
roryhand | 0:e89d7a0bfa3b | 559 | } |
roryhand | 1:aac37edee302 | 560 | } |
roryhand | 0:e89d7a0bfa3b | 561 | } |
roryhand | 1:aac37edee302 | 562 | |
roryhand | 1:aac37edee302 | 563 | } |
roryhand | 1:aac37edee302 | 564 | slice = slice + 1; |
roryhand | 0:e89d7a0bfa3b | 565 | } |
roryhand | 0:e89d7a0bfa3b | 566 | } |
roryhand | 0:e89d7a0bfa3b | 567 | |
roryhand | 0:e89d7a0bfa3b | 568 | |
roryhand | 0:e89d7a0bfa3b | 569 | |
roryhand | 0:e89d7a0bfa3b | 570 | |
roryhand | 38:3b4c05af5f36 | 571 | //***************************************************************************// |
roryhand | 38:3b4c05af5f36 | 572 | |
roryhand | 38:3b4c05af5f36 | 573 | //**************************************************************************// |
roryhand | 38:3b4c05af5f36 | 574 | |
roryhand | 38:3b4c05af5f36 | 575 | |
roryhand | 38:3b4c05af5f36 | 576 | |
roryhand | 38:3b4c05af5f36 | 577 | |
roryhand | 38:3b4c05af5f36 | 578 | |
roryhand | 59:8e7c25a915a0 | 579 | |
roryhand | 44:a9e84d333a6a | 580 | |
roryhand | 77:e93c944ed30f | 581 | void Play_WaveFileLoop(classSoundFile Sound1, classSoundFile Sound2, FILE *wavfile1, FILE* wavfile2, classPositionIndicators Positions) |
roryhand | 45:0e8e1f2ec5d2 | 582 | { |
roryhand | 45:0e8e1f2ec5d2 | 583 | while(1) { //might have to change this to a while(1) loop? |
roryhand | 44:a9e84d333a6a | 584 | |
roryhand | 2:957d3b2afff4 | 585 | |
roryhand | 44:a9e84d333a6a | 586 | |
roryhand | 44:a9e84d333a6a | 587 | |
roryhand | 54:606a83fff291 | 588 | |
roryhand | 44:a9e84d333a6a | 589 | //Sound1======================================================================================= |
roryhand | 69:df10ee3ad523 | 590 | if( slice1 == (Positions.notch_start_pts[NotchingSet.Notch + 1]) ) { |
roryhand | 69:df10ee3ad523 | 591 | slice1 = Positions.notch_start_pts[NotchingSet.Notch]; |
roryhand | 69:df10ee3ad523 | 592 | fseek(wavfile1,Positions.notch_start_pts[NotchingSet.Notch],SEEK_SET); |
roryhand | 67:043fe0b81343 | 593 | } |
roryhand | 86:404ce47e1e6e | 594 | |
roryhand | 69:df10ee3ad523 | 595 | fread(Sound1.FileInfo.slice_buf,Sound1.FileInfo.FileFormat.block_align,1,wavfile1); |
roryhand | 77:e93c944ed30f | 596 | /*OperationsTimer.stop(); |
roryhand | 76:9535aedba4da | 597 | printf("It took %d useconds to perform fread operation.\n\r",OperationsTimer.read_us()); |
roryhand | 76:9535aedba4da | 598 | Positions.notch_position_indicators[1] = Positions.notch_position_indicators[1] + 2;//i.e. 2 bytes, per sample, for 2-byte (16-bit) data |
roryhand | 77:e93c944ed30f | 599 | */ |
roryhand | 84:0a259e261532 | 600 | data_sptr1=(short *)Sound1.FileInfo.slice_buf; |
roryhand | 84:0a259e261532 | 601 | *Sound1.data_sptr = *data_sptr1; |
roryhand | 84:0a259e261532 | 602 | //Sound1.data_sptr=(short *)Sound1.FileInfo.slice_buf; // 16 bit samples |
roryhand | 73:a5ab93214728 | 603 | |
roryhand | 86:404ce47e1e6e | 604 | |
roryhand | 44:a9e84d333a6a | 605 | //============================================================================================= |
roryhand | 44:a9e84d333a6a | 606 | |
roryhand | 67:043fe0b81343 | 607 | |
roryhand | 1:aac37edee302 | 608 | |
roryhand | 1:aac37edee302 | 609 | |
roryhand | 44:a9e84d333a6a | 610 | |
roryhand | 45:0e8e1f2ec5d2 | 611 | for (channel=0; channel<Sound1.FileInfo.FileFormat.num_channels; channel++) { |
roryhand | 45:0e8e1f2ec5d2 | 612 | switch (Sound1.FileInfo.FileFormat.sig_bps) { |
roryhand | 0:e89d7a0bfa3b | 613 | case 16: |
roryhand | 1:aac37edee302 | 614 | if(flag1 == 1) { |
roryhand | 45:0e8e1f2ec5d2 | 615 | Buffer1[place_hold1] = Sound1.data_sptr[channel]; |
roryhand | 1:aac37edee302 | 616 | place_hold1 = place_hold1 + 1; |
roryhand | 1:aac37edee302 | 617 | if(place_hold1 >= BufferLen) { |
roryhand | 1:aac37edee302 | 618 | while(1) { |
roryhand | 1:aac37edee302 | 619 | if(flag1 == 0) { |
roryhand | 1:aac37edee302 | 620 | break; |
roryhand | 1:aac37edee302 | 621 | }//if(flag1 == 0) |
roryhand | 1:aac37edee302 | 622 | |
roryhand | 1:aac37edee302 | 623 | |
roryhand | 1:aac37edee302 | 624 | }//while(1) |
roryhand | 1:aac37edee302 | 625 | }//if(place_hold1 > = BufferLen) |
roryhand | 0:e89d7a0bfa3b | 626 | |
roryhand | 1:aac37edee302 | 627 | } else if(flag2 == 1) { |
roryhand | 45:0e8e1f2ec5d2 | 628 | Buffer2[place_hold2] = Sound1.data_sptr[channel]; |
roryhand | 1:aac37edee302 | 629 | place_hold2 = place_hold2 + 1; |
roryhand | 1:aac37edee302 | 630 | if(place_hold2 >= BufferLen) { |
roryhand | 1:aac37edee302 | 631 | while(1) { |
roryhand | 1:aac37edee302 | 632 | |
roryhand | 1:aac37edee302 | 633 | if(flag2 == 0) { |
roryhand | 1:aac37edee302 | 634 | break; |
roryhand | 1:aac37edee302 | 635 | } |
roryhand | 1:aac37edee302 | 636 | } |
roryhand | 0:e89d7a0bfa3b | 637 | } |
roryhand | 1:aac37edee302 | 638 | |
roryhand | 1:aac37edee302 | 639 | } |
roryhand | 0:e89d7a0bfa3b | 640 | } |
roryhand | 0:e89d7a0bfa3b | 641 | } |
roryhand | 59:8e7c25a915a0 | 642 | 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 | 643 | slice2 = slice2 + 1; |
roryhand | 45:0e8e1f2ec5d2 | 644 | slice3 = slice3 + 1; |
roryhand | 0:e89d7a0bfa3b | 645 | } |
roryhand | 0:e89d7a0bfa3b | 646 | } |
roryhand | 0:e89d7a0bfa3b | 647 | |
roryhand | 0:e89d7a0bfa3b | 648 | |
roryhand | 0:e89d7a0bfa3b | 649 | |
roryhand | 0:e89d7a0bfa3b | 650 | |
roryhand | 0:e89d7a0bfa3b | 651 | |
roryhand | 0:e89d7a0bfa3b | 652 | |
roryhand | 59:8e7c25a915a0 | 653 |