本帖最后由 0522 于 2012-3-21 23:04 编辑 + Y/ _4 ]1 s6 |2 b2 h1 j
8 ?( c; N5 f6 {修改的代码早有了。到今天不会编译。: j2 ^# n A x( z7 Y5 g$ l
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>( l# e3 X9 e+ ]" S" h# C
- #include <malloc.h>
8 `/ K4 p8 |4 T2 k - #include <sys/types.h>
0 T# x& z/ p7 V+ K - #include <sys/stat.h>
+ Y ~9 _# N$ r4 L2 F+ k; w - #include <sys/ioctl.h>
7 T. F- W5 a$ w3 f - #include <stdio.h>' ^+ K+ } Q+ x- M% `/ f
- #include <string.h>9 b6 ]( N- ]6 _- O+ I- P7 Q
- # X0 J5 P) }( ^6 p# w6 M3 ?* `" X j) ]
- typedef struct {
6 W' z3 @' q- ~" i - unsigned int e2prom_cmd_sub_addr;3 z3 k9 l0 F( l" E& T4 o
- unsigned int sub_addr_count;* ^3 l1 c1 f# f X V: |1 D% ?
- unsigned char* e2prom_cmd_data;9 F" z0 \" m- N* Z
- unsigned int data_count;
9 J/ s# j3 S. f5 v @ t' s - } e2prom_s_cmd;% b0 @( F1 H; D4 p! s
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- #define E2PROM_CMD_READ 1
' Y! x8 @0 R" ^/ G - #define E2PROM_CMD_WRITE 2
; X5 m) U* R6 W1 \) N2 X0 `1 ~ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"% B5 _+ a- ]% [ x# i9 x: D6 P
; E0 n% X& D! i4 f- static int readparam(unsigned char *mac, unsigned char *stbid)
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3 K, j. t0 T8 v& T9 l9 O - int fd, ret;! v! U" }& T1 d5 o t
- e2prom_s_cmd arg;4 ~, f' n+ R# C5 Q
- unsigned char buf[0x18];; x5 P0 U6 @9 m8 b7 w' p+ q4 G* O
$ V& D9 X" E3 O2 ]- fd = open(E2PROM_DEVICE, O_RDWR);9 F- W: C$ V, a6 [2 k3 l8 d
- if (fd < 0) {1 v+ I k' C) |2 D% }
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ L, z$ M2 V7 |& G9 v - return -1;% n0 m8 I- K) k% l4 U
- }
+ W7 R& z2 S% T$ O1 C! K! j - arg.sub_addr_count = 2;; h3 J! f3 g- z2 F0 d
- arg.data_count = 0x18;! d) R2 l! L8 S6 ?
- arg.e2prom_cmd_sub_addr = 0x290;/ `2 i/ A$ Y! U5 H. ?; W
- arg.e2prom_cmd_data = buf;3 _( Y0 M) {* L- G) X
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);# {+ s# p9 c* D% i! I2 ~- \0 D) z3 c; P
- if (ret != 0) {# ]- h2 {3 u. t3 {- |# j1 o* a
- printf("Device %s read error.\n", E2PROM_DEVICE);
# j; @! n" H1 W) q+ P - return -1;
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- memcpy(mac, buf, 6);# d* w7 [. ^6 z; q0 p9 B* W: S
- memcpy(stbid, &buf[6], 18);
7 ^1 q8 v6 i* z - stbid[18] = '\0';8 O. r& x) @$ F7 c+ L4 f% j/ e% \) Q
( s) X/ V7 k+ s& L, h7 F- return 0;; a, o& V' v/ C4 F* y
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
# a. {% e E* h2 h8 s5 | - {
3 x& K+ U6 e& t5 q: [ - int fd, ret;+ [" x6 @' F' g
- e2prom_s_cmd arg;! ^; k; j- A. h5 I5 S, [; O# C' r+ B
- unsigned char buf[0x18];0 U6 T8 ]$ d" E9 T1 U1 g
l8 G( ]/ b8 l; c* }- memcpy(buf, mac, 6);
4 G& i2 _, H. M& a# W6 ^8 l( ] - memcpy(&buf[6], stbid, 18);7 n0 m5 n4 a, H( ^
- fd = open(E2PROM_DEVICE, O_RDWR);8 p8 J$ o& H) ?" B0 n
- if (fd < 0) {5 e" s; Y% [/ ? t# W8 b
- printf("Device %s open error.\n", E2PROM_DEVICE);
, h( E) |. g3 f - return -1;( Q/ {( O$ q: }, m3 g2 i) _! I
- }8 M, V+ [' p* R1 ~$ b
- arg.sub_addr_count = 2;7 T- l/ e4 K0 l+ U
- arg.data_count = 0x18;
2 D; [3 U% M) j. P* \ - arg.e2prom_cmd_sub_addr = 0x290;4 y5 ?. F R$ M. { ^- R
- arg.e2prom_cmd_data = buf;
5 ^( L5 ?5 n0 e( y9 h, A - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);, \/ {5 U7 `9 K% F# P% G+ X5 ?0 z
- if (ret != 0) {
$ }9 `1 O( m' {' F* x2 u6 x. b - printf("Device %s write error.\n", E2PROM_DEVICE);# p- l& ?$ a/ S; f6 `/ M
- return -1;
3 ]0 r$ r; G' q0 a$ [; ^# q. p% U - }
& S, d% r" [& x. Z# M+ m1 c0 `
% i$ {. R& S/ }* R( c) [8 d- return 0;! l; E. y; r3 A$ a
- }
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- int main()
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- char c;
3 B% y, d/ @3 f4 _ - int i, macs[6];6 Q9 F q% A8 W/ W5 b
- unsigned char mac[6];/ L n4 p5 H& Y, V9 g
- unsigned char stbid[256];
$ J+ M7 D7 u' t: [6 G2 S6 [ - + k& \' k3 n* F1 w$ o. }7 ^4 Z- l: X
- if (readparam(mac, stbid) < 0)
: O8 m( |3 q! l% c8 U - return 1;
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- printf("Current parameters: \n");' z) V$ @; @$ L2 _! Z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* @* F/ c1 D: e% j/ w2 j! [3 d - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");) @: ~5 D% }4 f t' H7 h
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
! W: d# E- r. }8 N3 G& Q6 u - printf("Input MAC error\n");
# l5 o2 {0 v) E L, A+ H - return 1;/ e2 h( q8 r4 G" T: ~/ k" k
- }
# b! o, W) {$ K# U - for (i=0; i<6; i++)mac[i] = macs[i];5 `0 t) i- P' P! [" ~2 l5 e
- printf("\nPlease input new STBID: ");' T! W8 ^7 |& |1 @0 |- J# v @
- scanf("%s", stbid);
" s2 ]0 m5 K& C0 P2 d3 y - if (strlen(stbid) != 18) {
+ |( S1 A! r# j+ a - printf("Invalid stbid\n");
8 W9 S( m. x" {9 j0 S - return 1;7 H! m- V4 H2 a/ M% Y! b- Y
- }& |! E- j- P9 B% O
- printf("\nNew parameters: \n");
4 S$ g0 o" O, K5 p) X# b0 U8 ` - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! _* ~0 @( P1 N3 O" L - printf(" STBID: %s\n", stbid);8 r$ G+ ]9 O6 @' y' P" L
- 2 O2 h- G' N' J! J# K3 x$ h
- printf("\nDo you want to change paramemters? (y/N) ");
( k* b8 G8 n) _: z6 h2 q - for (;;) {
4 B% ^1 ]: A( d* s - c = getchar();% G2 l \3 m/ i/ x
- if (c == 'y' || c == 'Y')* J$ A/ W N; w0 _! l
- break;
. k% @0 K8 n& [- x/ @8 i' s - if (c == 'n' || c == 'N') {4 N" _# k) M; s8 \" G! r! l
- printf("\nAborted.\n");
7 u5 o, S8 X) [: E+ m1 k. m - return 1;, Q! O& f& Q/ Y# _
- }6 g( C! N6 K) ^0 b1 K
- }, E) }5 ~% F" A7 y+ \: _& G
- if (writeparam(mac, stbid) == 0) ) Z8 \, x& D6 {6 Y8 c
- printf("Parameters changed.\n");$ p8 E" w$ [, o( Y9 f4 H% V
- . ~- O4 ~# v O8 ? H" L6 C4 Y
- return 0;. k' n3 ]( u/ ?: }
- }
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