* v) y) B. N! s% `" v+ f - E- T' x' S: u) w8 S. i& s" F; V: k$ u ~
upp_interrupt_count = 0;& G% R5 a. ~0 z( z/ M: k
upp_error_count = 0; 1 [" L. B" t( S ) b; ]- b/ v: ^/ s3 H# w) O UARTPuts("\tResetting uPP buffers...\r\n",-2); * Z: d |4 K: D // Initialize data buffers; }) u% y6 e7 p$ P1 r7 k* p: T6 q
for (i = 0; i < upp_frame_size; i++)1 u5 l1 ^& M, e7 W: t1 \/ |% `! ?
{ : e1 T1 S% a7 V8 |7 z/ j upp_buffer_b =i; , x* Q# @. F* `% M0 o. G1 }' ?% N upp_buffer_a = 0xDEAD; * r9 r( A. T, N+ u } % b2 t$ c6 W, z: C! u- n7 @! z) E6 y+ w, X
//for(i=0;i<1024;i++)9 G" U" v$ @ ?9 W' q) U4 H0 |7 ]
// temp=0;, E1 j Q i- F6 Y- d, O b: H
8 [. h+ x' I' h! w" a& m" b
//UPPReset(); # O4 Y: v/ V9 U) y2 x /*启动UPP DMA传输*/ & r, \/ w# I. L2 U# l, g( H UARTPuts("upp_prog_dma_i\n",-2);! T, x) d+ A5 w2 ?/ l3 @( s) N
upp_reg_hdl->UPID0 = (Uint32)upp_buffer_a;/ l" v) [2 |" U7 f! S
upp_reg_hdl->UPID1 = ((Uint32)upp_line_count << 16) | (Uint32)upp_line_size*sizeof(Int16); % Z* o7 `& r/ ?- T/ {& @ upp_reg_hdl->UPID2 = (Uint32)upp_line_offset*sizeof(Int16); 2 h Z5 J8 Q% Z( ]+ \% ` " G; }; E* r# ?" W5 o2 Y- w( g/ u UARTPuts("upp_prog_dma_i\n",-2); ; {4 ^# X, R+ W5 |6 x; S1 D( U upp_reg_hdl->UPQD0 = (Uint32)upp_buffer_b; 1 c1 k1 |% b+ k, B/ e- X' M upp_reg_hdl->UPQD1 = ((Uint32)upp_line_count << 16) | (Uint32)upp_line_size*sizeof(Int16); 5 u/ P/ A( {& G n. Q$ X. a upp_reg_hdl->UPQD2 = (Uint32)upp_line_offset*sizeof(Int16); ' N% U" U5 b% P1 A 4 Z6 b& \2 V: i* F# C /*等待UPP传输完毕*/: M3 ~7 C% t( O
//i=0;+ d; v& v1 A$ i `$ r# Q
//j=0;8 p; x9 P) ?9 @/ E' ?
while (upp_interrupt_count < target_int_count && upp_error_count == 0) : v* h* R$ z: c3 t( l7 N { 3 O3 H7 w6 u. k) } /* 测试UPP传输的同时操作普通DDR数据' i! X" W6 w$ B+ S) }$ m
temp=i;: c) r! D- i1 W: r/ G* f+ j7 R
i++; # |( p' _7 B1 {$ ?5 t, N if(i==1024)7 Z) B, U# g% c* k
{ " w P6 T" `: X4 T; m! Y$ g7 ? i=0;. y' U X. \. Z' N, A6 G
j++;* ^5 \1 o. O9 @" u0 F9 i
}& D) ^) \+ I2 O$ v) Z$ r3 ]
*/" M3 [8 Q' C+ q+ R
$ p+ U3 n- E, X4 _, J asm(" nop");3 ]+ s& ?. ]3 u, d
! A2 F: G s# w& ]# V8 V- d. l4 M
//UARTprintf( "upp_interrupt_count=%d\n",upp_interrupt_count);- z3 I. m. @8 z
} + i' h& s6 t. o+ P5 y) i' R4 A" t0 N/ T% _1 o2 k
/*检查UPP传输的数据是否正确 (loopback modes only)*/ 0 y* K7 @: X/ `/ `6 O! q //UARTprintf( "i=%d\n",i); 6 S& Q1 W" p8 t- }8 ~( T& P //UARTprintf( "j=%d\n",j); " ]9 L1 @8 o9 p+ S UARTPuts("Data mismatch in buffers.\n",-2); 5 f: e( d# C" f$ J( ~9 ^* p8 f; T5 Q if (upp_interrupt_count == 2 && upp_error_count == 0) 5 a0 x) A9 Y, [# e+ g1 a { 0 L7 z. b$ ]. ]! e for (i = 0; i<upp_frame_size; i++)9 A. D" |: N. u. _" {& _
{ " H1 T5 ~3 t6 M& n if (upp_buffer_a != upp_buffer_b) * D' D5 R8 z" p; a5 [. C {3 |& H+ O; g9 f
upp_error_count++;% g! H; ]: V. Z3 b4 E
} 0 A, b" F, b% x/ ]' o( o5 F# Z5 w } 0 S8 v! w: h: M* \& s } 6 u# S* Z3 _7 J8 U: E4 n" Y$ P% x) _/ _! }( C z3 C
/* 报告通信结果*/' p }0 j! n) I Z) p% F
if(upp_error_count != 0) % e5 U0 ~ t0 x8 \ UARTprintf( "upp_error_count=%d\n",upp_error_count); & g b, A1 C/ K# z8 ?/ q x; r else 2 o/ P. I/ [ D' Q0 L" K UARTPuts("uPP transfers complete!\n",-2);+ F6 z8 x9 s$ }. Z" Y7 v( D
, y! j3 j4 {; Y6 T ]2 x2 {* _ UARTPuts("Do you want to print all the data?(y/n) ",-2); 7 x0 V4 |6 n& G2 y, \6 V UARTGets(ch,2);" a1 t4 s: X0 m; W
UARTPuts("\n", -2);& X2 @. k8 t& {: H3 G0 x
) e0 i; h& t K+ Y if(ch[0] == 'y')4 P) L; m2 l+ l8 c4 N6 n* e: Z- w
{. k7 ?9 C+ }0 }& Q' m
/*打印全部读到的数据*/ # e: a! d3 o( r j" v for(i=0; i<upp_frame_size; )9 F1 |4 N/ h( N" E/ ?
{ - q& @- \9 N) Z* @- f: U for(j=0; j<5; j++); K4 q) o$ O" ]$ }! }& P6 n; |
{ 9 Q% D6 i* Q. B UARTprintf("upp_buffer_a[%d]=%d ",i,upp_buffer_a);6 p% Z# @. l- u1 P* V) B9 b
i++; . A( s- c* r2 | _4 g3 { //if(i >= 4096)- c2 p3 ]' Y# }) x- f' Q- F. e* }
// break; & K2 d8 v T. t$ }- T: [; n% K" Y1 |7 A# p
} ) @6 q) O+ D/ {: y8 S( u UARTPuts("\n",-2); 0 C' Z$ I/ w2 f: U/ m O# X+ f }- j5 b ?& G- ^
}/ Y1 N7 D. W5 |3 R% }& z3 w+ b ?
1 d; j; s4 [* F9 a
} + ?% ]/ v6 N9 C7 x2 a y4 H ) f; g5 d# t- S% V4 }* {8 B: N3 p# a7 E$ L 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。8 v/ {+ A- [: T! ] 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。( J, x9 u7 _1 e- a