本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
& J' G, h V# q3 F需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>% `% W W' t0 \. D N
- #include <malloc.h>
4 n' b7 v! K: l$ s V' K - #include <sys/types.h>
A) t) E2 Z: p* W6 I/ H& e - #include <sys/stat.h>& T1 N( M# y+ c, s" W/ N3 m
- #include <sys/ioctl.h>
- k$ H% c* e* J5 F! w( h/ b. F2 p. E - #include <stdio.h>
8 k V3 k1 E* q: @# o b - #include <string.h>
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$ B6 A5 F& J5 W6 }1 O6 `2 V- typedef struct {, o& W4 P, M1 G
- unsigned int e2prom_cmd_sub_addr;
* K K5 C& y) ~ - unsigned int sub_addr_count;( A1 H2 }& r9 L8 h( l; m6 |. r e' E1 t
- unsigned char* e2prom_cmd_data;
2 n+ Q1 r& q2 s - unsigned int data_count;6 g2 P. l/ d8 ~% F( m# [1 O9 o
- } e2prom_s_cmd;* I |( o) v: a: u
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- #define E2PROM_CMD_READ 1
- E' |$ j2 O) R8 T# U - #define E2PROM_CMD_WRITE 27 ] B4 D# t5 `4 _" E5 j- }
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16") |6 z& }4 h$ A/ }0 S3 J/ B9 ]
: R$ M- I. {0 c- static int readparam(unsigned char *mac, unsigned char *stbid)% ?1 _ Q* @" p" W+ ]
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- int fd, ret;# n( d# g6 Z# q; w3 Q
- e2prom_s_cmd arg;
/ P& ~; K3 }6 s0 q8 G: r - unsigned char buf[0x18];) O5 n" V( R8 G, F1 }* A$ E3 y
: F- i* ~& u7 U o$ H, \4 P% j- fd = open(E2PROM_DEVICE, O_RDWR);. e$ H" T8 @- R" P/ \6 B6 J: q0 R
- if (fd < 0) {; Q5 U! }+ G0 n% x) [
- printf("Device %s open error.\n", E2PROM_DEVICE);+ X! h) t6 v$ [: u' B5 k
- return -1;
|- e* u# s x9 j! W/ C3 F - }0 @; E. R3 S0 x2 k+ D8 {
- arg.sub_addr_count = 2;
/ p- ]3 [3 l7 U. \, G - arg.data_count = 0x18;; H% ^/ C# J6 O5 q6 g
- arg.e2prom_cmd_sub_addr = 0x290;9 C' y. F# I9 C( b/ p1 w5 ]0 A
- arg.e2prom_cmd_data = buf;
$ j1 q$ z/ h/ ~( d! `5 Z( d - ret = ioctl(fd, E2PROM_CMD_READ, &arg);2 s; t; g/ P* _
- if (ret != 0) {# ]4 W$ Y# f/ N" ?% R1 K* `
- printf("Device %s read error.\n", E2PROM_DEVICE);, s& E7 ]" {" u* ~4 S, c
- return -1;
' q1 H: Y& a" t2 b* z" C( q2 B! ~8 i - }
i" l( D7 m' e7 s - memcpy(mac, buf, 6);
( K9 f9 p2 a |4 p9 F/ {2 _6 ] - memcpy(stbid, &buf[6], 18);7 M( S3 `! ^; l! R2 }' h* n* K
- stbid[18] = '\0';
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- return 0;
! ~1 I& r4 W! `: w - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
+ B) O+ x1 ~" n# S. t" b( i" N - {. a3 q( V: \1 @' t0 ^4 a; c
- int fd, ret;
; h5 Q; P5 |# U - e2prom_s_cmd arg;1 `3 M# Z+ ?4 p9 q* v! e9 c
- unsigned char buf[0x18];
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# D" u4 G) ~. O( ?# J& x+ d- memcpy(buf, mac, 6);
! ^2 e) a7 H+ N- S) j - memcpy(&buf[6], stbid, 18);
% w( e$ z! S) @( y& Y, S% M - fd = open(E2PROM_DEVICE, O_RDWR);! N* A c5 i3 ?' o; q' }# s( c
- if (fd < 0) {% s! b0 v5 L" G. n/ X
- printf("Device %s open error.\n", E2PROM_DEVICE);; n4 i3 D* X1 N- p# l5 y6 S0 v
- return -1;
, T/ U1 [ h0 m6 Z5 C - }
' Z6 {0 s; M7 m. N$ p: a W - arg.sub_addr_count = 2;
0 y. x$ p$ f. ~# i0 D4 M) K* g% v - arg.data_count = 0x18;
4 N/ Y5 p1 T4 G: V; [' n+ s - arg.e2prom_cmd_sub_addr = 0x290;& j6 O) @5 K& d5 e5 g f- M w
- arg.e2prom_cmd_data = buf;3 B# A t1 ^; F) L: q/ E% m
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
) \; D; v8 d: T2 }9 J" `" _ - if (ret != 0) {
, y3 h8 H. W. p5 a+ F$ B' V - printf("Device %s write error.\n", E2PROM_DEVICE);
5 o# M# a) q6 [0 K3 H& U - return -1;* o- r, z e0 q+ B/ C
- }
- h9 D9 Q0 m5 M* y0 o( ?2 J" r - * T6 `, _; {% f; y6 ?) z& l
- return 0;
7 i* @3 A9 q) x - }
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0 N e5 c0 o% Z. p- int main()
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- char c;5 n5 e4 }! N6 C" F
- int i, macs[6];
* S1 K1 V" \1 h( W' x( b - unsigned char mac[6];1 @5 L6 j6 R: U, i6 K& n4 u
- unsigned char stbid[256];
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3 _$ O: Z! G. W# ~7 @+ u- if (readparam(mac, stbid) < 0)
$ B6 i3 v4 q+ w5 i - return 1;
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- printf("Current parameters: \n");
9 s: t/ J( D3 S$ w - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 ~4 v4 `, O2 p# B" v$ ^ - printf(" STBID: %s\n", stbid);- K/ x7 v0 y6 V0 w8 h" g
- - N/ g# z6 V3 ^- F3 [
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");, D2 d# ?: p6 V( F" [, m
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
' @ c% H7 C$ l& G6 g - printf("Input MAC error\n");0 K6 K! C- ?0 _6 Q# C) ]% u" }, b
- return 1;
: H6 Z( x0 r) X6 K+ [ - }# }8 p3 Z: {& r2 m o3 {
- for (i=0; i<6; i++)mac[i] = macs[i];
- M' U7 w# [9 ^/ s - printf("\nPlease input new STBID: ");
5 z P) q _6 t. ~6 l - scanf("%s", stbid);
* t$ h6 |9 E, H - if (strlen(stbid) != 18) {
* [, s! C, |# Q- T+ v - printf("Invalid stbid\n");9 W3 T. S1 R$ i9 d& W
- return 1;. @6 j% H- m" I& I5 x1 R5 e# y
- }- t% \0 ^" ~/ M5 {
- printf("\nNew parameters: \n");* V; P' r, m7 a! u7 h
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 J8 x6 h+ l. { - printf(" STBID: %s\n", stbid);
+ [' J+ K/ h- e. j! U
' f w+ U$ j9 U- M- printf("\nDo you want to change paramemters? (y/N) ");' G, ~6 n( x( v% r% l i
- for (;;) {4 c0 Q; i( v+ M$ Z& t* E
- c = getchar();5 L/ D7 y" c5 F" c7 [4 K1 Q, l
- if (c == 'y' || c == 'Y')
: U3 [3 D# t. c z! B9 r2 R - break;: \, O4 \" Z6 @; z- M" s1 v
- if (c == 'n' || c == 'N') {
% C p% v; k, ]' }- P - printf("\nAborted.\n");2 A+ M+ \/ V4 V% m; C8 S
- return 1;
$ L, {6 j0 g: D' M) h1 `$ G, X - }
- i2 B5 [. c) U/ T3 H - }, Q! a7 K9 F7 \6 K( Z
- if (writeparam(mac, stbid) == 0) }4 K! K, x$ N5 a
- printf("Parameters changed.\n");
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, N& F6 \. E; }8 o8 g+ U( w4 [- return 0;# b3 I7 M( B* m" l6 Y0 d
- }
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