Test program for 20A 24V power stagefor sine commutation of BLDC motor. PID loop and communication will foolow
Diff: main.cpp
- Revision:
- 1:57efa2224451
- Parent:
- 0:924cdaeea469
- Child:
- 2:5eacc17e53eb
--- a/main.cpp Thu May 23 16:28:28 2013 +0000 +++ b/main.cpp Fri May 24 08:39:03 2013 +0000 @@ -5,6 +5,7 @@ #include "mbed.h" //#include "math.h" +//#include "Tables.cpp" Serial pc(USBTX, USBRX); // tx, rx DigitalOut led1(LED1); // main led @@ -12,6 +13,8 @@ PwmOut led3(LED3), aPwm0(p23); Ticker t; + +//int SineTable tSineTable; Timer tmr1; AnalogIn AD1(p20), AD2(p19); @@ -19,45 +22,52 @@ unsigned int ServoCnt, BackgrCnt, ServoTime; float Potm1, Potm2; -int TableIndex, SineOut0; +int TableIndex; +int SineOut0, SineOut1, SineOut2; // The Sine output values +float mSineOut0, mSineOut1, mSineOut2; // The multiplied Sine output values + int PwmTime_us = 10000; -int SineTable[360] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9 -, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 -, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 -, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39 -, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49 -, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59 -, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69 -, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79 -, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89 -, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99 -, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109 -, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119 -, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129 -, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139 -, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149 -, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159 -, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169 -, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179 -, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189 -, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199 -, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209 -, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219 -, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229 -, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239 -, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249 -, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259 -, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269 -, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279 -, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289 -, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299 -, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309 -, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319 -, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329 -, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339 -, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349 -, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359}; +int Sin1Offset = 120, Sin2Offset = 240; // Offsets for two other phase outputs + +int SineTable[360] = {0, 17, 35, 52, 70, 87, 105, 122, 139, 156 +,174, 191, 208, 225, 242, 259, 276, 292, 309, 326 +,342, 358, 375, 391, 407, 423, 438, 454, 469, 485 +,500, 515, 530, 545, 559, 574, 588, 602, 616, 629 +,643, 656, 669, 682, 695, 707, 719, 731, 743, 755 +,766, 777, 788, 799, 809, 819, 829, 839, 848, 857 +,866, 875, 883, 891, 899, 906, 914, 921, 927, 934 +,940, 946, 951, 956, 961, 966, 970, 974, 978, 982 +,985, 988, 990, 993, 995, 996, 998, 999, 999, 1000 +,1000, 1000, 999, 999, 998, 996, 995, 993, 990, 988 +,985, 982, 978, 974, 970, 966, 961, 956, 951, 946 +,940, 934, 927, 921, 914, 906, 899, 891, 883, 875 +,866, 857, 848, 839, 829, 819, 809, 799, 788, 777 +,766, 755, 743, 731, 719, 707, 695, 682, 669, 656 +,643, 629, 616, 602, 588, 574, 559, 545, 530, 515 +,500, 485, 469, 454, 438, 423, 407, 391, 375, 358 +,342, 326, 309, 292, 276, 259, 242, 225, 208, 191 +,174, 156, 139, 122, 105, 87, 70, 52, 35, 17 +,0, -17, -35, -52, -70, -87, -105, -122, -139, -156 +,-174, -191, -208, -225, -242, -259, -276, -292, -309, -326 +,-342, -358, -375, -391, -407, -423, -438, -454, -469, -485 +,-500, -515, -530, -545, -559, -574, -588, -602, -616, -629 +,-643, -656, -669, -682, -695, -707, -719, -731, -743, -755 +,-766, -777, -788, -799, -809, -819, -829, -839, -848, -857 +,-866, -875, -883, -891, -899, -906, -914, -921, -927, -934 +,-940, -946, -951, -956, -961, -966, -970, -974, -978, -982 +,-985, -988, -990, -993, -995, -996, -998, -999, -999, -1000 +,-1000, -1000, -999, -999, -998, -996, -995, -993, -990, -988 +,-985, -982, -978, -974, -970, -966, -961, -956, -951, -946 +,-940, -934, -927, -921, -914, -906, -899, -891, -883, -875 +,-866, -857, -848, -839, -829, -819, -809, -799, -788, -777 +,-766, -755, -743, -731, -719, -707, -695, -682, -669, -656 +,-643, -629, -616, -602, -588, -574, -559, -545, -530, -515 +,-500, -485, -469, -454, -438, -423, -407, -391, -375, -358 +,-342, -326, -309, -292, -276, -259, -242, -225, -208, -191 +,-174, -156, -139, -122, -105, -87, -70, -52, -35, -17 +}; + // A class for flip()-ing a DigitalOut class Flipper { @@ -77,6 +87,7 @@ TableIndex = ceil(Potm1 * 359); SineOut0 = SineTable[TableIndex]; // Get sine value from table + mSineOut0 = SineOut0 * Potm2; // Multiply sine with potmeter ServoCnt++; // Servo counter endtime = tmr1.read_us(); // Measure time 2 @@ -114,8 +125,8 @@ wait(0.2); led1 = 0; wait(0.2); - pc.printf("Servotm: %i, ServoCnt: %i , BackgrCnt: %i , Potm1: ,%.2f, Potm2: ,%.2f, TableIndex %i, SineOut0 %i\r", - ServoTime, ServoCnt, BackgrCnt, Potm1, Potm2, TableIndex, SineOut0 ); + pc.printf("Servotm: %i, ServoCnt: %i , BackgrCnt: %i , Potm1: %.2f, Potm2: %i, TableIndex :%i, SineOut0: %i , mSineOut0: %.2f\r", + ServoTime, ServoCnt, BackgrCnt, Potm1, Potm2, TableIndex, SineOut0, mSineOut0 ); } }