本帖最后由 0522 于 2012-3-21 23:04 编辑
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1 F6 v; S: c6 E& A+ j$ T; Z! D修改的代码早有了。到今天不会编译。
% l7 R% `7 d$ l7 d5 o需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* V0 S6 k1 z) @
- #include <malloc.h>( {& X; c" }8 d0 S
- #include <sys/types.h>
; J# @$ @! Y) `/ c4 N h - #include <sys/stat.h>& I* d9 Y* H+ X! _" i3 \
- #include <sys/ioctl.h>+ D. v. S+ j5 ?( Z
- #include <stdio.h>
: M& B/ o1 I4 {' H - #include <string.h>2 }4 R ` l7 h; \7 U
- ' S+ s8 ^3 g8 P4 m) w, d
- typedef struct {. k5 I @$ u: `# Q/ y1 A
- unsigned int e2prom_cmd_sub_addr;
- R" P. g. K) q - unsigned int sub_addr_count;
5 i) c1 ~7 |; L) ]3 c8 c9 Z$ g% f - unsigned char* e2prom_cmd_data;6 c% H# B6 z5 I( `+ o$ y
- unsigned int data_count;
5 y- j! c7 j2 a" u$ F6 O- f z - } e2prom_s_cmd;' e8 d/ s( G4 z& s1 e" ?
- 7 o2 B6 T$ X4 h* A2 m
- #define E2PROM_CMD_READ 17 m& M4 Y- a' o2 F0 X* {
- #define E2PROM_CMD_WRITE 2' X( B6 U0 \7 l, P0 ~7 p7 x
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
; z, w0 X' E! e$ V - {
1 D( w* P7 a: B% R* [/ \ - int fd, ret;8 p) f5 N; b+ ^) E) f8 J$ j
- e2prom_s_cmd arg;
3 W* r" P* k* {" K - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);9 L# a% v3 W6 E5 \1 x) {5 O
- if (fd < 0) {8 t7 D) ^6 B( s
- printf("Device %s open error.\n", E2PROM_DEVICE);* b( ]- ^# _2 {
- return -1;# X$ t7 f& e' E* \% l
- }! p8 W) f8 g3 |; N9 C
- arg.sub_addr_count = 2;
& q6 T! @8 J/ K u2 _5 d2 G - arg.data_count = 0x18;* X! U& \- @; ?* I4 `7 O
- arg.e2prom_cmd_sub_addr = 0x290;( L' i+ I8 o0 ^$ V1 s1 P4 w" p: j
- arg.e2prom_cmd_data = buf;
7 k) t/ @- h+ @& v7 p* p - ret = ioctl(fd, E2PROM_CMD_READ, &arg);, {8 o3 G% x& k
- if (ret != 0) {/ d6 T1 @) v' |2 H; O+ U& _& s* C8 J
- printf("Device %s read error.\n", E2PROM_DEVICE);
* K3 r9 Y) z! Z6 c4 _& h- M - return -1;8 I1 x. s/ W$ q: R+ i
- }
; c- z: Y5 h6 h$ V - memcpy(mac, buf, 6);9 F V. m) K9 t, I) K( g' J, q
- memcpy(stbid, &buf[6], 18);+ ~& Y$ ~: W' V
- stbid[18] = '\0';
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9 U* R# [$ [8 |1 C7 p& I0 Y, B( t. B- return 0;! h* \ Y5 o0 f. o- I6 G
- }5 S( Q! L4 A' j* e6 H( u5 ?0 d0 ^
$ J" |- Q3 E9 j+ |1 k- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
! M( d, ?0 F# s$ z: c2 y( L; k/ k" j - e2prom_s_cmd arg;
! }( x# n0 ~0 h' e0 {# t: x8 U - unsigned char buf[0x18];+ L5 }( z. | V+ L1 w9 L" q% U
8 S- _6 w3 _0 v3 z: B* n- memcpy(buf, mac, 6);/ ^& ] |1 v9 G+ ], b. {" x
- memcpy(&buf[6], stbid, 18);
6 }: q- W: n! A$ X - fd = open(E2PROM_DEVICE, O_RDWR);, h, p7 h1 l9 V! C
- if (fd < 0) {
- g+ m/ o5 k: A; x O2 i' Y$ a - printf("Device %s open error.\n", E2PROM_DEVICE);2 v) n# K2 q, `3 l+ X
- return -1;
! H! I H9 h1 R2 b- }5 e - }
9 q C3 A1 @# R# n - arg.sub_addr_count = 2;; ~% i( t. X9 ?1 J6 u
- arg.data_count = 0x18;! C: ^9 Y1 `* p. B
- arg.e2prom_cmd_sub_addr = 0x290;) q+ {6 |4 p; F, K" F6 E, t( o+ W) ^
- arg.e2prom_cmd_data = buf;
, b. L; r2 l$ ?- G& ~+ q! T3 s - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
: ]8 L% ~' n- X; i \; m- v7 y - if (ret != 0) {! P, l) o# m- n- P& R) Z! l
- printf("Device %s write error.\n", E2PROM_DEVICE);
: \' C1 X- s- R1 ^ - return -1;% X6 q& ]; s2 E# K0 G) c4 d
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- - p2 I/ G/ y2 y
- return 0;
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/ Y, x' }9 u+ M, u- int main()
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- char c;$ ~# x' o/ c) d; Q
- int i, macs[6];" N' G9 H* S; w7 g' q2 s
- unsigned char mac[6];( N, F8 K; I! l
- unsigned char stbid[256];9 d$ @' N( u) G& b' k( @; @; w
- 8 @3 B9 |: d% P! Q. k; p
- if (readparam(mac, stbid) < 0)
2 T9 l* r/ C2 z& x" A - return 1;
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0 ?& F" Z. W9 W2 @( Q( o! E8 S# Z9 p- printf("Current parameters: \n");* `% R: e1 z7 I& j4 u3 N! o1 F
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 G. U' l* w2 f0 c" l - printf(" STBID: %s\n", stbid);
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. y: b: q W" O8 ~0 K7 ^ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
. i; ^ z/ ^3 q9 O F- {2 ]- q; ] - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {% d6 Y& s: P+ c9 s
- printf("Input MAC error\n");
- N5 ^3 I$ G' i - return 1;& o9 n; k& S* q7 I9 Q
- }
$ F$ T9 Z ]% T2 g' H8 d2 q" [ - for (i=0; i<6; i++)mac[i] = macs[i];# Y. Q, A% t. f" U% |7 E
- printf("\nPlease input new STBID: "); v# T. _, y1 ?9 N
- scanf("%s", stbid);4 c: ] R D) x$ r, R8 n
- if (strlen(stbid) != 18) {) F- B$ I8 ^' A. m0 H& s& s7 o
- printf("Invalid stbid\n");
( O& L$ C) m: [! y - return 1;2 G) Y- T4 X( ?- K
- } f: P# t; N1 l1 n; M
- printf("\nNew parameters: \n");
% J. i# G3 U M" G. l - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) ?4 O2 ]7 a6 C4 `$ | - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
. P! t3 L6 E, [ - for (;;) {
1 L" @1 d; o/ h# ?8 U - c = getchar();
" ?4 b! b" A0 Y" E9 m - if (c == 'y' || c == 'Y')
, J' O- u2 v! d9 F, N4 P1 i! N - break;
$ X/ k4 E$ w' u" Q - if (c == 'n' || c == 'N') {! Z2 J: U7 y2 S2 P6 G$ k
- printf("\nAborted.\n"); C+ M6 _2 E5 o2 ]2 l3 A' H
- return 1;* t. M5 Q* H, m" |( ^3 V
- }) T+ n- p, p$ [( m
- }1 X. b4 L& l4 {% w
- if (writeparam(mac, stbid) == 0)
0 Q+ ?+ O& }; V4 r p, f9 D - printf("Parameters changed.\n");! `- S; T8 S+ M$ D6 L% H# d
. b l; _4 k6 _, h% I x+ O- return 0;
, k9 u0 `1 h: K- r2 A - }
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