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您好,最近我在把创龙的基本startware的UPP移植到基于syslink下面,在进行UPP初始化时,新建HWI中断,但是当运行到Hwi_create()函数时,DSP那端总是跑飞了,Hwi创建程序片段如下:
. H: l4 h3 L2 \2 Qvoid UPP_new(void)
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PSCInit();
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UPPPinMuxSetup();! l4 p- }& _: S, U
7 Z8 I$ i' _1 }4 t2 x% m; B$ T U UPPInit();, l2 q* t5 v! Q& W5 u
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UPPInterruptInit();# p+ r8 z0 D6 k3 g. b
4 X4 B# A- o0 H- B UPPEnable();
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/ K) n& g, C" b Hwi_Handle hwi;
8 j: O. _" Q5 Q( [, W0 C7 t Hwi_Params hwiParams; 2 X1 v1 f* _7 T, v& ~
Error_Block eb;
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Error_init(&eb);
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Hwi_Params_init(&hwiParams);
* B' q8 a- j3 k. y* i2 u hwiParams.arg = 0;$ b% b8 C( P9 \/ e
hwiParams.maskSetting = Hwi_MaskingOption_SELF;* n# k( _2 ` T0 d1 X
hwiParams.enableInt = TRUE;3 N$ O4 R3 f: _, }5 q5 P
hwiParams.eventId = SYS_INT_UPP_INT;
; _3 C% l+ r0 D! n; L9 Z hwi = Hwi_create(C674X_MASK_INT5, UPPIsr, &hwiParams, &eb);; g, k3 v- e1 Y6 \" j# E* E
# Z: C2 E2 f( v/ B8 s if (hwi == NULL)
M$ y, H7 m1 M& m" f2 m1 _* ?% _ System_abort("Hwi create failed");
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每次运行到 hwi = Hwi_create(C674X_MASK_INT5, UPPIsr, &hwiParams, &eb);时程序就飞了,实在找不到原因了,刚接触BIOS的菜鸟求助各路大神们。。。0 I6 |2 X4 Z; @- |
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