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upp_interrupt_count = 0; * Q0 ?. Y1 o) d. K5 N; n upp_error_count = 0;; i( p0 i$ B0 Y1 g- v
" o2 m8 q+ N+ `$ t3 X N7 O5 n UARTPuts("\tResetting uPP buffers...\r\n",-2); , Z- b8 q( {2 D2 ?0 W7 { // Initialize data buffers: J4 r0 R+ i+ w! Y5 F
for (i = 0; i < upp_frame_size; i++) 6 l/ q5 x5 u7 q, Z {) }# q { ! E+ O! S0 z" }: _. v5 Y upp_buffer_b =i;* F5 m# b( `& }/ A# {* V) [! B! O& h
upp_buffer_a = 0xDEAD;; [( M* p: T# p
} . v9 A) Z8 ]# K% A 2 }: t0 S& F' k: _ e //for(i=0;i<1024;i++) 1 V; u5 z* T2 p5 V1 X" i // temp=0; 0 J7 `$ @. m4 ]. F2 d4 \" C" c( z; j% Q) ~% r2 `
//UPPReset(); ; G( i& m, H3 S6 W /*启动UPP DMA传输*/ 1 q& D, b, E9 N3 Q* z | S- b( o UARTPuts("upp_prog_dma_i\n",-2);6 T/ X3 Y# C# l! G1 z6 x
upp_reg_hdl->UPID0 = (Uint32)upp_buffer_a; ) e( ]) _" B: _5 c. P! m4 g5 Q upp_reg_hdl->UPID1 = ((Uint32)upp_line_count << 16) | (Uint32)upp_line_size*sizeof(Int16); 4 k; I) X/ ]. m3 D$ q- x upp_reg_hdl->UPID2 = (Uint32)upp_line_offset*sizeof(Int16); * N. Z: {) Y( W1 Z5 U2 d1 d 1 l, i; U ]% [* ~8 X UARTPuts("upp_prog_dma_i\n",-2); 8 C" I- X. e7 i upp_reg_hdl->UPQD0 = (Uint32)upp_buffer_b; ' m# k/ T, t! Q' O) @5 x. R5 b upp_reg_hdl->UPQD1 = ((Uint32)upp_line_count << 16) | (Uint32)upp_line_size*sizeof(Int16);8 w8 O: V- p7 P0 e4 z& J6 X
upp_reg_hdl->UPQD2 = (Uint32)upp_line_offset*sizeof(Int16); 4 v4 I7 m0 j& W# g1 E0 P9 e* l8 P' [* `# D$ F$ t. d
/*等待UPP传输完毕*/% |2 V7 _' A0 ^5 t+ I/ t H
//i=0; ( M1 K6 O$ k0 G7 ~ //j=0;( ~: R/ T% j0 B( {, e9 w; [! G5 g
while (upp_interrupt_count < target_int_count && upp_error_count == 0) * {/ c. I( O$ |% ?2 U n { 5 e+ `" z; M9 i7 W% D /* 测试UPP传输的同时操作普通DDR数据 * l6 s9 [3 P! D: ` temp=i; " \( c) Y* l6 \2 t( E, U i++;8 L- ^( c$ [* C! k% ?/ E$ N
if(i==1024) 0 Z) k' }# t" `6 w1 C; S { * [9 K; s, N- m5 z" U1 P i=0;/ m; V- g* q5 D/ o
j++; ; ?( N: y. y. `: A! z8 q( X } 6 }0 G; y( ]+ I3 ? U: B */ - @& b- g- _; z0 p ' V2 w* I9 l% V1 a5 y asm(" nop"); 1 d, l2 p8 O5 }" x: S y; A# J/ e) j$ D" Q* Z, Q
//UARTprintf( "upp_interrupt_count=%d\n",upp_interrupt_count);5 x1 c* K0 R6 N9 A4 m/ s% u5 N
}0 Z( {! C; w, m; }0 P
g' j% y+ f3 r+ m2 P/ ]/ Z /*检查UPP传输的数据是否正确 (loopback modes only)*/ 2 Z. M9 l( C# n- }# B* o( X. y' g$ K //UARTprintf( "i=%d\n",i);; t0 z9 L3 Z" M$ z# p
//UARTprintf( "j=%d\n",j);/ r* @0 `, F) U) P
UARTPuts("Data mismatch in buffers.\n",-2); ; M3 Q5 }3 [# M. l- Z$ ? if (upp_interrupt_count == 2 && upp_error_count == 0) 1 l7 O. |0 {( ]$ ~% v/ C {; K" d1 c9 m2 r4 G* H0 }
for (i = 0; i<upp_frame_size; i++) : c+ a: ?. p* }* Q; R {1 B# x) L# V( r! {
if (upp_buffer_a != upp_buffer_b): l2 ~7 e: I; }6 ^) B
{$ N* s3 ]5 d5 W6 q- V. h
upp_error_count++;- s2 m$ N1 D; E7 Q% R
} . z. |* V5 J0 B# J3 i; M }4 N1 X, J$ k' t1 U' f
}, p8 j- W! V/ U! h7 V
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/* 报告通信结果*/# P. m( S( I& e! U+ y" {/ k/ ^
if(upp_error_count != 0)# w3 }0 E4 m- r. [
UARTprintf( "upp_error_count=%d\n",upp_error_count); b1 j1 ` ?. v. W else5 c, {! U1 h) z( n' U; N, O" ^* ]
UARTPuts("uPP transfers complete!\n",-2);) ~/ \4 o: {- C3 b
% D$ ~+ Y8 C' {+ c8 s& G. p6 g UARTPuts("Do you want to print all the data?(y/n) ",-2); ! h X% y3 f; \- X UARTGets(ch,2);$ R3 |7 S7 R2 S* t% X) ~9 I
UARTPuts("\n", -2);( o3 S! n% g" T+ O' |
( d, _% |, |9 e6 y- ~ if(ch[0] == 'y')+ Q: {. H+ M/ X/ W- P: ]" _8 ~+ w) Y
{4 z7 b5 c1 l* ]0 R$ T( g% o" s
/*打印全部读到的数据*/ ) `' c1 a6 I1 p3 m for(i=0; i<upp_frame_size; ) ' g' x% D& C9 W { $ b- w6 L- P1 _9 I% l w for(j=0; j<5; j++) 1 c* ^9 P' t4 B4 P {9 P% u8 s# M4 l9 c/ y
UARTprintf("upp_buffer_a[%d]=%d ",i,upp_buffer_a);+ Y& Q& G# w. S% m) ?: n& O
i++;9 [% t4 n5 u+ F! \/ r/ ]
//if(i >= 4096) 3 o5 y8 H$ J* C2 [# ` // break;3 h9 ~, A9 {5 X; U3 j
- A1 o1 j L% O# o6 Y* e& b; ? } . Q' k @" R8 i; b UARTPuts("\n",-2);4 _& q P9 e& [( S
} 9 M8 u- Q, v. N/ i' e } ) j% {% N( @3 _/ c0 b% r/ c* u 7 [5 n+ [8 S/ {4 G0 p% D c} 2 M! Z5 |$ [8 ]" H! a ! k2 o9 @% ]5 m( g( E 8 U6 w9 N# n) ~0 t作者: tulipyyf 时间: 2014-12-22 16:08
追加说明：任务是空闲任务，因此没有做循环。 / Z+ v! Y8 A! N' n$ U作者: Lewis 时间: 2014-12-24 18:06
多次执行是没问题的，最好不要用空闲任务，优先级太低。 5 v6 `* I" v6 S2 k) z# k4 X