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发表于 2013-12-29 21:39:34
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6 K& R6 z- x% X# O( L" }* u我是用57600的波特率连上TTL正常的，但启动时一定要断开GND，否则无信号。
+ Q8 R/ q5 _3 r; D问题是，开机后速度非常快，根本无法让我选择1-4，具体显示如下，请问有什么办法中断吗？
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5 ~, j& C) M) Z/ z0 h3 eU-Boot 1.1.3 (Jun 14 2012 - 07:15:37)0 V6 y! ], f$ K) Z9 r" Q4 g" e
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SoC:Ralink RT335x& u% |4 | R' z0 r
Memory Testing.65536K OK.# ^/ x" A( z2 k `* f1 z$ g% z- k& x4 @
DRAM: 64 MB. E5 i- k7 B# g; C2 j
relocate_code Pointer at: 83770000
) v4 p# {. D4 V& B8 jspi_wait_nsec: 3c
: k' \( w3 ^7 \ T5 Wspi device id: c2 20 16 c2 20 (2016c220)
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4 X9 e" N6 G1 G" {& H% M( c2 g6 }Flash:MX25L3205D Size:4MB(64K*64blocks)
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2 W$ j E9 `( v" Y1 Graspi_read: from:30000 len:10000 4 K2 o+ v( [+ N( F4 r9 P
.*** Warning - bad CRC, using default environment) M) N5 w( ?! v6 E' A" ^
1 {2 }. V H8 R5 q/ Z______________________________________________________
1 C& }" `* M5 O0 }9 A$ h4 E( V1 p5 O| ____ ____ |
' j( J! ` Y/ }" d" h1 Q| | _ \ _ __ ___ __ _ _ __ ___ | __ ) _____ __ |
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| | |_| | | | __/ (_| | | | | | | |_) | (_) > < |) T$ @. R. M W+ y! V' {3 s
| |____/|_| \___|\__,_|_| |_| |_|____/ \___/_/\_\ |
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| http://www.openwrt.org.cn |4 {3 C/ w* D5 X& H1 v2 J9 c9 l" b
| Board:Zyxel WAP120NF |
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| lintel<linte.huang@gmail.com> |7 s. g5 y! e" K0 H
|____________________________________________________|
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ASIC 3352_MP (Port5<->None)& D( r6 V6 v V/ e- n* y* i0 Z% i
DRAM_CONF_FROM: Boot-Strapping
: n) r8 G# k D! u! I0 FDRAM: DDR2 64 MByte 16 bits
8 d) e/ x# x! s& I1 D( zFlash component: SPI Flash' v+ J/ {) ^: ?. e7 E* P
Build Date:Jun 14 2012 Time:07:15:37
. O& d% D% G+ ^icache: sets:256, ways:4, linesz:32 ,total:32768' T, f6 ?$ f/ x1 U$ b( P, D {) V
dcache: sets:128, ways:4, linesz:32 ,total:16384
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, r8 y) F, X% ~) t- ] ##### The CPU freq = 400 MHZ ####
. R" l5 k4 F, N; m6 y4 E) ~ estimate memory size =64 Mbytes
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) P! U, O+ g# l7 @: IGPIO Init:
! v& o3 w ^& f/ s b+ o UARTF_SHARE_MODE:GPIO: h% y3 Y x5 A# }! n
; U4 ~. @, W) @GPIO_MODE_REG status:0x40039c
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1 C$ Q# y; E# d: }) {& e8 }. hPlease choose the operation: ( v6 ^0 r9 d2 z( s0 {- @: U
1: Load system code to SDRAM via TFTP.
, M- m. L( o2 g% B, R( P! M& v 2: Load system code then write to Flash via TFTP.
& { R8 B# c8 @1 T) k 3: Boot system code via Flash (default).: v3 w) P( [+ e1 _* P
4: Entr boot command line interface.% z6 \2 d5 o4 Q( n5 k; W3 k# `
7: Load Boot Loader code then write to Flash via Serial. ) H; S8 d/ q. ^% i
9: Load Boot Loader code then write to Flash via TFTP. T: l) G) e: f+ i+ G3 U8 q8 A
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You choosed 3- c: W. h+ G X2 D8 n% A y
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3: System Boot system code via Flash.
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$ M' T3 u. n$ w- t7 ?: l: W$ b eth_register * }1 E( h8 T9 U
Eth0 (10/100-M)
: L9 J/ \* M3 o. I. D enetvar=ethaddr,Eth addr:00:0C:43:09:26:BB
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2 {8 [4 i# `7 R+ v. W3 N eth_current->name = Eth0 (10/100-M)
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