% L a' c, ^$ i% A int i,j,k,target_int_count=2; 2 z3 L, b# q; c; [. {% x char ch[2]; # T8 ?; i2 @( o2 v ( K( I* _4 ^5 S5 ?! @7 M ; \1 T3 H2 Y& j) y/ e7 @. N$ a/ p1 u! U7 U6 I
upp_interrupt_count = 0; , P; \3 t) b. ? _+ _* p upp_error_count = 0; ! v9 q6 j; {4 B7 X; \4 u7 G! D% R
UARTPuts("\tResetting uPP buffers...\r\n",-2);1 ` u# j; ~" l
// Initialize data buffers : l# ?8 }1 R+ V9 J for (i = 0; i < upp_frame_size; i++) 2 Z, n; y' v8 P/ q' o {- _6 ~3 _9 L" w' L
upp_buffer_b =i;7 t$ Z3 @9 }: m: i* G8 W
upp_buffer_a = 0xDEAD; _% h) \# l2 n, \ }* w4 j! s1 M* M! a& p! L0 y
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//for(i=0;i<1024;i++)! Z7 Q k0 e1 D- m6 H
// temp=0;1 N2 N; u; C! W* n$ O: I( X
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//UPPReset();4 }! g5 Y3 B" S" g
/*启动UPP DMA传输*/ 5 A3 k2 S0 I4 t8 j3 m UARTPuts("upp_prog_dma_i\n",-2);! g, P. N2 b8 q A. r% S/ `& r# |
upp_reg_hdl->UPID0 = (Uint32)upp_buffer_a;/ ]" L. t+ `) b |/ ^' o& f$ k
upp_reg_hdl->UPID1 = ((Uint32)upp_line_count << 16) | (Uint32)upp_line_size*sizeof(Int16);' W% Q, E) w" g2 v1 Q, h; w
upp_reg_hdl->UPID2 = (Uint32)upp_line_offset*sizeof(Int16);- J4 |. H* d" `+ l' Y+ D
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UARTPuts("upp_prog_dma_i\n",-2); ( v2 O2 z) J9 |% |1 J upp_reg_hdl->UPQD0 = (Uint32)upp_buffer_b; : E q: }7 X4 D' z8 U& S' | upp_reg_hdl->UPQD1 = ((Uint32)upp_line_count << 16) | (Uint32)upp_line_size*sizeof(Int16); # {3 I& T9 C6 \/ {; o# T2 V9 x) M; g- F3 E upp_reg_hdl->UPQD2 = (Uint32)upp_line_offset*sizeof(Int16);( ?. P- {% e1 T% S. J; p! p( X
+ C0 u8 h# }. D7 c; X. o% }# s; r /*等待UPP传输完毕*/ # p, l- a J3 C" n //i=0; 8 Z+ r( \: m6 u' h //j=0; / |% K6 t2 Z4 ] g3 K while (upp_interrupt_count < target_int_count && upp_error_count == 0) 4 h' H% N; q( O, ?. X5 Y2 L0 B { ( y8 s+ _8 [2 L, _/ F8 ]# L /* 测试UPP传输的同时操作普通DDR数据 , U6 H* {2 v$ m; E- x, P temp=i;2 C' ?) ?# s! h
i++;8 }% Q6 b, I& O& t) t* b
if(i==1024)8 O& i8 Q7 u( L
{ ' k3 ^9 y j' z7 ` i=0; 1 \3 A( d: p, G; I1 K/ H j++; . A* U! t, i5 b. w6 w } 2 Q8 k- b/ m9 l8 y2 O$ ^# s& K/ x: n */2 e: y1 _! b s1 p
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asm(" nop");" Y. G/ i- E# }2 ^- _
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//UARTprintf( "upp_interrupt_count=%d\n",upp_interrupt_count); . a3 @2 W3 ? U1 o. U' B }8 f$ v! d1 K- p/ L8 Q$ m# J
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/*检查UPP传输的数据是否正确 (loopback modes only)*/ 6 q) V! s j) @0 J //UARTprintf( "i=%d\n",i);" r' d3 M0 \3 _2 _% }; ~8 ]
//UARTprintf( "j=%d\n",j); ) e/ C) P3 p( \1 ]2 q: [ UARTPuts("Data mismatch in buffers.\n",-2); : _7 L" Z. T+ ~+ {. g if (upp_interrupt_count == 2 && upp_error_count == 0) : c( T: U7 w7 [" u { 5 {$ l8 D" g- j. {7 y5 j! U8 y1 f: O. a for (i = 0; i<upp_frame_size; i++) - M& t6 [3 Y: i2 x! @! Z { 0 V( A3 s2 n. Y U$ c if (upp_buffer_a != upp_buffer_b): @# V; M. P# ^4 B/ x
{ 2 ~4 [7 {7 N" Q* {0 B upp_error_count++; 2 F9 i4 s, N, G) l3 \ } 8 [( ]1 J8 g. A9 M6 T7 ? } 5 T7 c# a0 n% o* h( U: N) t2 c } 0 E+ P( N* Y, ?5 R- E% Z5 A6 u$ y6 [) b: R
/* 报告通信结果*/ 8 c' L! j( o* Q: I if(upp_error_count != 0) $ `2 q$ J3 F# C) G. D UARTprintf( "upp_error_count=%d\n",upp_error_count); / \" k0 @- r }8 L else3 F' X- i$ ?; c) t1 T
UARTPuts("uPP transfers complete!\n",-2);* ~5 o1 ~! O3 j# ]
' J5 @6 B1 P+ T: p5 A5 y UARTPuts("Do you want to print all the data?(y/n) ",-2);9 X7 @1 \( ^9 D
UARTGets(ch,2); ) A" e6 l |9 X- T UARTPuts("\n", -2);7 `6 E& Y; T( T6 t
. ^6 [9 f' Z' H1 `0 e6 r# Q if(ch[0] == 'y') 0 L6 O3 x- m0 K3 B/ {) V- ?2 s. E { \! B. \; R- s" g1 b /*打印全部读到的数据*/ ' D9 b1 i. T1 p for(i=0; i<upp_frame_size; )& b" g, Z) c$ Q3 T- u
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for(j=0; j<5; j++) 7 N! w. F I( w/ f$ ? {' Y3 h, l0 A) w* {
UARTprintf("upp_buffer_a[%d]=%d ",i,upp_buffer_a); # U6 u7 k" K H3 u: I$ v# A i++;4 |0 g% g5 z+ O% {! x8 [7 }7 }
//if(i >= 4096) ; }+ @, ^6 Q. v: n, z" \9 p! K // break;! E$ g0 ~+ I y, u5 K
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UARTPuts("\n",-2);! ]( |; Q" v+ H. Q2 b
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