Audio stream STM32F4 disco

[matas]

Posted on August 24, 2015 at 11:48

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[matas]

Posted on August 24, 2015 at 15:46

Here are some values that the mems output (before I convert it to signed int16_t):

[128] 32700 0x20000418 uint16_t

[129] 32700 0x2000041A uint16_t

[130] 32700 0x2000041C uint16_t

[131] 32700 0x2000041E uint16_t

[132] 32700 0x20000420 uint16_t

[133] 32700 0x20000422 uint16_t

[134] 32700 0x20000424 uint16_t

[135] 32700 0x20000426 uint16_t

[136] 24722 0x20000428 uint16_t

[137] 32836 0x2000042A uint16_t

[138] 32836 0x2000042C uint16_t

[139] 32836 0x2000042E uint16_t

[140] 32836 0x20000430 uint16_t

[141] 32700 0x20000432 uint16_t

[142] 32700 0x20000434 uint16_t

[143] 14400 0x20000436 uint16_t

[144] 32700 0x20000438 uint16_t

[145] 32700 0x2000043A uint16_t

[146] 32700 0x2000043C uint16_t

[147] 32700 0x2000043E uint16_t

[148] 32700 0x20000440 uint16_t

[149] 29722 0x20000442 uint16_t

[150] 32700 0x20000444 uint16_t

[151] 32700 0x20000446 uint16_t

[152] 29469 0x20000448 uint16_t

[153] 32836 0x2000044A uint16_t

[154] 32836 0x2000044C uint16_t

[155] 32836 0x2000044E uint16_t

[156] 32836 0x20000450 uint16_t

[157] 16450 0x20000452 uint16_t

[158] 32836 0x20000454 uint16_t

[159] 32836 0x20000456 uint16_t

[160] 32700 0x20000458 uint16_t

[161] 32700 0x2000045A uint16_t

[162] 32700 0x2000045C uint16_t

[163] 32700 0x2000045E uint16_t

[164] 32700 0x20000460 uint16_t

[165] 30859 0x20000462 uint16_t

[166] 32700 0x20000464 uint16_t

[167] 32700 0x20000466 uint16_t

[168] 23853 0x20000468 uint16_t

[169] 32836 0x2000046A uint16_t

[170] 32836 0x2000046C uint16_t

[171] 32836 0x2000046E uint16_t

[172] 32836 0x20000470 uint16_t

[173] 32700 0x20000472 uint16_t

[174] 32700 0x20000474 uint16_t

[175] 6169 0x20000476 uint16_t

[176] 32700 0x20000478 uint16_t

[177] 32700 0x2000047A uint16_t

[178] 32700 0x2000047C uint16_t

[179] 32700 0x2000047E uint16_t

[180] 32700 0x20000480 uint16_t

[181] 32700 0x20000482 uint16_t

[182] 32700 0x20000484 uint16_t

[183] 32700 0x20000486 uint16_t

[184] 32700 0x20000488 uint16_t

[185] 32836 0x2000048A uint16_t

[186] 32836 0x2000048C uint16_t

[187] 32836 0x2000048E uint16_t

[188] 32836 0x20000490 uint16_t

[189] 32700 0x20000492 uint16_t

[190] 444 0x20000494 uint16_t

[191] 32836 0x20000496 uint16_t

[192] 32700 0x20000498 uint16_t

[193] 32700 0x2000049A uint16_t

[194] 32700 0x2000049C uint16_t

[195] 32700 0x2000049E uint16_t

[196] 32700 0x200004A0 uint16_t

[197] 16306 0x200004A2 uint16_t

[198] 22325 0x200004A4 uint16_t

[199] 32700 0x200004A6 uint16_t

[200] 29406 0x200004A8 uint16_t

[201] 32836 0x200004AA uint16_t

[202] 32836 0x200004AC uint16_t

[203] 32836 0x200004AE uint16_t

[204] 32836 0x200004B0 uint16_t

[205] 32700 0x200004B2 uint16_t

[206] 32700 0x200004B4 uint16_t

[207] 12756 0x200004B6 uint16_t

[208] 32700 0x200004B8 uint16_t

[209] 32700 0x200004BA uint16_t

[210] 32700 0x200004BC uint16_t

[211] 32700 0x200004BE uint16_t

[212] 32700 0x200004C0 uint16_t

[213] 32700 0x200004C2 uint16_t

[214] 32700 0x200004C4 uint16_t

[215] 32700 0x200004C6 uint16_t

[216] 19291 0x200004C8 uint16_t

[217] 32836 0x200004CA uint16_t

[218] 32836 0x200004CC uint16_t

[219] 32836 0x200004CE uint16_t

[220] 32836 0x200004D0 uint16_t

[221] 32700 0x200004D2 uint16_t

[222] 3056 0x200004D4 uint16_t

[223] 32836 0x200004D6 uint16_t

[224] 32700 0x200004D8 uint16_t

[225] 32700 0x200004DA uint16_t

[226] 32700 0x200004DC uint16_t

[227] 32700 0x200004DE uint16_t

[228] 32700 0x200004E0 uint16_t

[229] 32700 0x200004E2 uint16_t

[230] 32700 0x200004E4 uint16_t

[231] 32700 0x200004E6 uint16_t

[232] 32700 0x200004E8 uint16_t

[233] 32836 0x200004EA uint16_t

[234] 32836 0x200004EC uint16_t

[235] 32836 0x200004EE uint16_t

[236] 32836 0x200004F0 uint16_t

[237] 32700 0x200004F2 uint16_t

[238] 32700 0x200004F4 uint16_t

[239] 12388 0x200004F6 uint16_t

[240] 32700 0x200004F8 uint16_t

[241] 32700 0x200004FA uint16_t

[242] 32700 0x200004FC uint16_t

[243] 32700 0x200004FE uint16_t

[244] 32700 0x20000500 uint16_t

[245] 32700 0x20000502 uint16_t

[246] 32700 0x20000504 uint16_t

[247] 29628 0x20000506 uint16_t

[248] 32138 0x20000508 uint16_t

[249] 32836 0x2000050A uint16_t

[250] 32836 0x2000050C uint16_t

[251] 32836 0x2000050E uint16_t

[252] 32836 0x20000510 uint16_t

[253] 32700 0x20000512 uint16_t

[254] 55933 0x20000514 uint16_t

[255] 32836 0x20000516 uint16_t

[256] 32700 0x20000518 uint16_t

[257] 32700 0x2000051A uint16_t

[258] 32700 0x2000051C uint16_t

[259] 32700 0x2000051E uint16_t

[260] 32700 0x20000520 uint16_t

[261] 32700 0x20000522 uint16_t

[262] 32700 0x20000524 uint16_t

[263] 32700 0x20000526 uint16_t

[264] 32700 0x20000528 uint16_t

[265] 32836 0x2000052A uint16_t

[266] 32836 0x2000052C uint16_t

[267] 32836 0x2000052E uint16_t

[268] 32836 0x20000530 uint16_t

[269] 32700 0x20000532 uint16_t

[270] 32700 0x20000534 uint16_t

[271] 2972 0x20000536 uint16_t

[272] 32700 0x20000538 uint16_t

[273] 32700 0x2000053A uint16_t

[274] 32700 0x2000053C uint16_t

[275] 32700 0x2000053E uint16_t

[276] 32700 0x20000540 uint16_t

[277] 32700 0x20000542 uint16_t

[278] 32700 0x20000544 uint16_t

[279] 32700 0x20000546 uint16_t

[280] 32700 0x20000548 uint16_t

[281] 32836 0x2000054A uint16_t

[282] 32836 0x2000054C uint16_t

[283] 32836 0x2000054E uint16_t

[284] 32836 0x20000550 uint16_t

[285] 32700 0x20000552 uint16_t

[286] 48055 0x20000554 uint16_t

[287] 32836 0x20000556 uint16_t

[288] 32700 0x20000558 uint16_t

[289] 32700 0x2000055A uint16_t

[290] 32700 0x2000055C uint16_t

[291] 32700 0x2000055E uint16_t

[292] 32700 0x20000560 uint16_t

[293] 32700 0x20000562 uint16_t

[294] 32700 0x20000564 uint16_t

[295] 32700 0x20000566 uint16_t

[296] 32700 0x20000568 uint16_t

[297] 32836 0x2000056A uint16_t

[298] 32836 0x2000056C uint16_t

[299] 32836 0x2000056E uint16_t

[300] 32836 0x20000570 uint16_t

[301] 30838 0x20000572 uint16_t

[302] 32700 0x20000574 uint16_t

[303] 7281 0x20000576 uint16_t

[304] 32700 0x20000578 uint16_t

[305] 32700 0x2000057A uint16_t

[306] 32700 0x2000057C uint16_t

[307] 32700 0x2000057E uint16_t

[308] 32700 0x20000580 uint16_t

[309] 32700 0x20000582 uint16_t