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操作步骤:将StarterWare\Application\AUDIO_LINE_OUT,合入 OMAPL138基于SYSLINK的双核AD采集处理例程。
9 E0 s5 l6 g4 a: ~ t7 M目标:AUDIO_LINE_OUT播放声音。ad采集声音。: M; O. L& D! y4 {: K
现象:两者单独运行都可以完成各自的功能,将两者整合后,只要启动AUDIO_LINE_OUT,AD的数据就无法上传。(是不是两者资源有冲突?)
1 W& {/ P3 b& l, a详细程序如下:
~1 z' u+ i$ P$ Y4 wDSP侧 main_dsp.c2 P; @% J; T3 r' @2 Q v) ~( y' c" O4 L
extern int lineOutmain(void);% `, t, ?! L% ?" C9 j+ K
Int main(Int argc, Char* argv[]) {8 _$ d' O8 B7 @! G) O) n
LOG_INIT();
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4 N: O5 N; M) T# g2 F Task_Params taskParams;
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6 ^8 w- N) r9 ^/ x0 m7 p7 ~; _ LOG_INFO("--> main:");8 ^9 g _: b, p
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Error_init(&eb);1 K* U! }' w$ ]4 J& H U
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Task_Params_init(&taskParams);$ d7 G& K! F! x! p
taskParams.instance->name = "message_loop_fun";5 ? j4 G: R; F' w# D& r4 `
taskParams.arg0 = (UArg)argc;
" n8 `9 @0 h. D6 l taskParams.arg1 = (UArg)argv;
& K, c5 Q3 k: j* W+ s! G% C9 L. A# l4 S taskParams.stackSize = 0x1000;
8 [9 y: I3 L: Z6 _9 c Task_create(message_loop_fun, &taskParams, &eb); /* 鍚姩 message 绾跨▼ */$ F% M) s$ E% o8 x: o
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if (Error_check(&eb))
6 f% n$ A! l1 V4 K# @ LOG_FATAL("failed to create application startup thread");
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lineOutmain();5 q' P- T& i# ?4 l+ E% m' o9 F
BIOS_start();
" m$ Y2 h. d0 b7 p; g4 q3 x2 Z LOG_INFO("<-- main:");
, o5 C, m/ k G5 G5 _4 I9 w4 y return (0);/ n# e7 x( u, a7 Y! o
}
& {$ l1 \/ _5 Y3 r' A/ X其中lineOutmain();是启动lineOut例程
! `6 L+ u- d) [6 K, `int lineOutmain(void)) C: N9 d/ }4 y7 ~6 ^& S" D: y
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unsigned int i;
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4 T( S1 T: s8 D. H PeripheralsSetUp();3 o+ M$ z3 q' I+ e
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LOG_INFO("\r\n ============Test Start===========.\r\n");3 J$ j5 e' ?) J6 |3 R- u+ I
LOG_INFO("Welcome to StarterWare Audio_Play Demo application.\r\n\r\n");% D: c, X$ h: |! C4 B, h
LOG_INFO("Please insert microphone to the 'LINE OUT' port of TL6748 EVM.\r\n\r\n");
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for(i=0;i<229396/2;i++), n7 J, j; _1 _+ _. q
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toneRaw = (toneRaw1[i*2]) | toneRaw1[i*2+1]<<8;
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IntDSPINTCInit();& C9 t! w$ y4 r9 U: K6 M
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I2C0IntRegister(C674X_MASK_INT6);1 ^# L& T- @- K2 F7 `$ M/ X
Y' r- T; i% N" \% O5 @# m IntEnable(C674X_MASK_INT4);
5 q) q' {3 A" E. X5 I1 ~2 D IntEnable(C674X_MASK_INT5);
' J5 C* W( D( j. _7 F1 o' E IntEnable(C674X_MASK_INT6);
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IntGlobalEnable();$ F0 T: _* E) P% q0 I
) |! y- p0 G' G7 f" L- l' _ AIC31Init();
5 K, e$ q: O- y7 t: s0 v ToneLoopInit();4 F) S7 |) G# r- b' E
Start playing the tone looply
! C4 e8 g$ k9 G: m9 X" @" l/ E ToneLoopStart();
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LOG_INFO("\r\n ============Test End===========.\r\n", -1);* y4 r7 X- W6 @: T; C7 I
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从定位结果来看,只要lineOutmain 运行了 IntDSPINTCInit(); AD就不再有数据发到ARM侧。请大家帮忙看看,两者是否存在资源冲突问题。谢谢。8 n3 Y/ J/ m8 M
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