2 n5 R6 k E* W4 F$ w; _/ e int i,j,k,target_int_count=2; / I t! v! E) @. g" n' ~( k char ch[2]; + P" L$ Z, o3 W1 D* [& t, R# S* q% w- m! D' e
1 L. @: ]2 N0 Q. x* r( j; ^2 _+ i% a0 y* @
upp_interrupt_count = 0;( Z! r O# i4 S" w9 B. ^8 o
upp_error_count = 0; 7 U) z. B% y* [) K' W4 C6 m9 O' V % b4 c; I+ n0 m, ~" V UARTPuts("\tResetting uPP buffers...\r\n",-2);$ f+ d P% ]" @ A: @! P/ E# ]' M
// Initialize data buffers( p' u$ x3 g S. c% W) M, B
for (i = 0; i < upp_frame_size; i++)/ Z5 a1 R! q: ~
{- n) Z* p2 |% U i: L: s
upp_buffer_b =i; + \( O2 M. k3 ~# O% r+ k8 w upp_buffer_a = 0xDEAD; ( _! _# `3 _# k7 h4 G }2 m( }# c2 z6 k
8 O- u$ n9 V' ]# r //for(i=0;i<1024;i++): @3 y6 d$ k3 \ }5 }
// temp=0; : a* M: _. O) g9 j$ ^3 ^, S1 L+ k4 j
//UPPReset();; Z7 {% k5 `. r) P- z \, S
/*启动UPP DMA传输*// r. l8 X. d4 s6 _# C6 a5 r3 b) g
UARTPuts("upp_prog_dma_i\n",-2);% I- f* o; E$ V5 x- ?& l
upp_reg_hdl->UPID0 = (Uint32)upp_buffer_a; $ j' H. B d% K- z( j" X# u- t) q( ]' I upp_reg_hdl->UPID1 = ((Uint32)upp_line_count << 16) | (Uint32)upp_line_size*sizeof(Int16);0 b7 ~" y4 ]9 h! _0 D: _2 M
upp_reg_hdl->UPID2 = (Uint32)upp_line_offset*sizeof(Int16);& Q7 b' G+ y# H- M6 @$ n, K
% a9 U( m4 m4 W2 `% G" T
UARTPuts("upp_prog_dma_i\n",-2); 4 l2 {% [! F) L+ A3 l( P upp_reg_hdl->UPQD0 = (Uint32)upp_buffer_b;/ P P# w* r% n
upp_reg_hdl->UPQD1 = ((Uint32)upp_line_count << 16) | (Uint32)upp_line_size*sizeof(Int16); 2 v2 I, a# v5 q9 Z7 Y% ?- H6 [! B. J) [ upp_reg_hdl->UPQD2 = (Uint32)upp_line_offset*sizeof(Int16); k4 a- U! S+ f7 b3 O* Q6 O8 b& Y& b8 j2 i, R
/*等待UPP传输完毕*/ ( N5 i6 y- [8 M //i=0;* Z* x5 H. t: ]/ U# Q) V
//j=0; v0 M% @3 V9 S( X" t while (upp_interrupt_count < target_int_count && upp_error_count == 0); K; S, D0 }* [4 _8 ^9 G5 V- T
{ 8 G3 R' E/ @6 a6 g! W2 C4 v* X /* 测试UPP传输的同时操作普通DDR数据* i" ~6 b: M: _
temp=i;5 i5 q7 O. [/ |" G! z1 Z' H2 O
i++; + e- y6 f+ m' r; h' _+ V4 W/ i) d if(i==1024) % ?; j- J& i/ R" R2 z { ) b" n% `* f' e6 b- q) Q i=0; $ b6 f! V4 s. [" ` j++; H" A: T9 G( o6 a% s }/ U4 `$ q! U2 y- @% M. w
*/ $ E. e5 D: a7 Q: B* k% D6 `# ]/ H/ i! z, z4 e/ T4 [: e
asm(" nop"); - O+ b0 C+ t2 ? + n- d) d8 O6 y3 y //UARTprintf( "upp_interrupt_count=%d\n",upp_interrupt_count); E- Y) f6 e8 \9 R- J5 w }4 \" F1 R; }& B, c
' h* H% p7 d! h; |1 K /*检查UPP传输的数据是否正确 (loopback modes only)*/ & D& r1 s: [8 |% g, S( s //UARTprintf( "i=%d\n",i);: @( p4 ]' Y' @: e x
//UARTprintf( "j=%d\n",j);4 P0 T3 R# k. C' E' M
UARTPuts("Data mismatch in buffers.\n",-2); ! T/ A$ B5 l0 ~/ Q if (upp_interrupt_count == 2 && upp_error_count == 0) ' ]4 d: I0 E8 R* V0 w {- T! `9 I: C2 Z# o
for (i = 0; i<upp_frame_size; i++) 6 x$ S% I- Q) S/ a/ |2 A' u; @ {' t$ ]- P4 }. ]
if (upp_buffer_a != upp_buffer_b) 9 ^0 \8 @. f9 ]# _: T% p# c {2 C) F9 b9 O3 f, h2 K4 M7 C
upp_error_count++; / |. w7 Y8 n* q. a* d$ S } z1 \2 t4 z, O
}9 {" M% b5 X/ B
} / h2 b% V1 S9 T8 `/ ?5 c 3 l7 K! u3 f: ? /* 报告通信结果*/ 5 t+ @- W4 f! s# K) v2 X9 d3 C if(upp_error_count != 0) ( Y% H8 |- c9 D$ g UARTprintf( "upp_error_count=%d\n",upp_error_count); : T! q: q8 m z' p% ]2 _8 g9 A2 v; k5 [ else0 Z' z% `* k4 v/ e9 { L
UARTPuts("uPP transfers complete!\n",-2);: O# a" w( `6 ?$ V) ^1 [# t
7 l. j& C5 ^# T UARTPuts("Do you want to print all the data?(y/n) ",-2);6 x; ^4 J3 ]4 N
UARTGets(ch,2);4 ~7 H& h2 q. M7 S8 X
UARTPuts("\n", -2); / n/ m" b. n7 I, B; W/ ] 7 Q4 ~; |3 H9 q% F if(ch[0] == 'y') $ F0 e) t ~/ v! M: w5 w3 B {" h5 Q' M4 K9 M
/*打印全部读到的数据*/ % j: @$ R: B/ w for(i=0; i<upp_frame_size; ) H p: K) `- O2 T {* W' }1 B h6 { c8 r. S
for(j=0; j<5; j++) * a7 |: Q i7 g) c7 Q1 K' ^( B0 y { 6 w/ M6 ^0 x. W! e( F UARTprintf("upp_buffer_a[%d]=%d ",i,upp_buffer_a); $ A! F. j* y4 E& Z7 O K" b i++; ( z6 M! ]6 S. j8 p# z$ S+ p //if(i >= 4096)! Y' E$ U. d( {% S
// break; 8 a, s" h6 ?/ E2 o$ j7 h4 B0 k) x. T4 K2 N7 k+ ^( p- m$ A7 ]
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UARTPuts("\n",-2); 4 {: F# L; o) j' u4 U; f } 0 e G* j2 s' w, O4 p! Z% t; q$ v G } % r* `* e* z: } # e# ~& |& F! K8 w: }; @/ W) A}( k) T% K6 G. b" r7 r2 M0 f% X