本帖最后由 0522 于 2012-3-21 23:04 编辑 * s2 [ \; q, y0 U7 b
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修改的代码早有了。到今天不会编译。
$ W& V1 ?0 M; l2 N, C: f8 R需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) r0 X8 ^% S% v3 g9 a4 v+ c, s
- #include <malloc.h>7 g7 Q: R: t3 ^
- #include <sys/types.h>6 G; _- F: L! u' Z: d2 X! h
- #include <sys/stat.h>) W8 ^9 A$ n0 L. D8 i1 \ j
- #include <sys/ioctl.h>
3 I J5 ?" S& _. d4 V1 b - #include <stdio.h>3 C/ I% O9 _) Q; u, y& n: R
- #include <string.h>. |) [1 I6 b0 g* N" v/ K& h
- 9 p+ y! ~' |, | a- {! K
- typedef struct {
3 B( Y: h3 ]6 {) _& t$ C l/ ] - unsigned int e2prom_cmd_sub_addr;
. q7 G. @/ y. G6 H0 k# r/ M& Q - unsigned int sub_addr_count;
9 M" o6 p( V+ z8 O1 R; b+ Z! k( M - unsigned char* e2prom_cmd_data;7 ~/ |; f- c) K4 U) V' b
- unsigned int data_count;/ z& p! ~. ]6 @7 ?0 O" T
- } e2prom_s_cmd;
^5 W j$ m. K* b) o - 5 Y4 d7 v4 a5 o6 p$ t1 E: Y
- #define E2PROM_CMD_READ 1
8 e# C, B+ V# S8 r8 p9 s8 ^# s* O - #define E2PROM_CMD_WRITE 2! ^; G2 y6 ]7 R6 X3 x
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"# B- y; d3 A- {& q
- $ a" k9 X+ w" z: A; t9 i7 G
- static int readparam(unsigned char *mac, unsigned char *stbid)
/ t9 B9 h" ~ b) W6 D/ [! Y( k - {
" ?( q+ \" ~0 O# _1 Z( Q - int fd, ret;
2 }/ Q4 W' F7 a' `# z - e2prom_s_cmd arg;
% `$ z% E0 x) n, R5 R - unsigned char buf[0x18];$ l7 a# u3 I5 c
3 p7 Y/ a, h8 O$ F! E% b* z' Q- fd = open(E2PROM_DEVICE, O_RDWR);
) i# B% _, c6 o" X6 H" g8 G. C - if (fd < 0) {
- c% ]! X' y) O' `' z - printf("Device %s open error.\n", E2PROM_DEVICE);1 t: r% D, Z/ E' A
- return -1;5 f+ Q7 j2 K. g- n
- }
8 e! V0 W5 ~8 J - arg.sub_addr_count = 2;; T" r+ \+ F# q; A( ?8 {& w4 J& U6 T
- arg.data_count = 0x18;
' L' W' [6 p+ N6 \6 X - arg.e2prom_cmd_sub_addr = 0x290;2 `! P9 N, a8 a8 Y8 O; _, T
- arg.e2prom_cmd_data = buf;
( o/ }. B* {3 g$ j$ |+ F - ret = ioctl(fd, E2PROM_CMD_READ, &arg);. e/ G8 L( ?" w( o
- if (ret != 0) {
+ M& H. M7 X/ R f$ o/ l' d - printf("Device %s read error.\n", E2PROM_DEVICE);, R5 ~) \' m' a5 d. J' F9 i1 k
- return -1;: w R) O. k; a
- }5 O& q. i# s1 g& I! ~5 C2 _$ s
- memcpy(mac, buf, 6);, z2 l+ B; V( v0 P0 G
- memcpy(stbid, &buf[6], 18);9 T- V9 ^) @- J7 |6 Y
- stbid[18] = '\0';3 q* z5 ^. J& {" i+ @. s! Y O& \3 F" m
, b" B2 g( w4 ~/ ]. R& H2 O- return 0;( q7 @# y2 _ S0 ]& |+ U
- }
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1 j* v2 _( k0 s9 O: f) o4 `- static int writeparam(unsigned char *mac, unsigned char *stbid)6 Y; l! I' q+ T9 P! M7 o; z/ I+ L
- {
, b8 ]5 \- l7 o6 m3 P t - int fd, ret;+ z1 a0 _: }2 C+ E. L) }* `. K
- e2prom_s_cmd arg;
9 E2 S7 s: O- S2 o9 c8 _: k - unsigned char buf[0x18];
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9 I) g- y7 i" ^& L# j- memcpy(buf, mac, 6);
' S* T2 L1 c; v/ g4 }5 ~ - memcpy(&buf[6], stbid, 18);( L" S% H7 S$ [7 @" l! F. K* ?4 r% h
- fd = open(E2PROM_DEVICE, O_RDWR);* o8 v0 j! J$ W. c$ q" I" n$ z. \8 C
- if (fd < 0) {
( {* W, t" `0 V8 t3 S - printf("Device %s open error.\n", E2PROM_DEVICE);( r* Q0 Y) S. x; C1 D: F
- return -1;* h& f! H; x1 f# w. F/ P. G
- }
' ]+ s) A5 @* L- x& f$ G - arg.sub_addr_count = 2;* F: ^8 u C( D |" M# `
- arg.data_count = 0x18;/ |% Z0 l9 B5 b3 v# R4 f
- arg.e2prom_cmd_sub_addr = 0x290;
, V6 o" ~# B. z i U" o6 B - arg.e2prom_cmd_data = buf;
5 u. H6 E) d+ e3 P& F$ _/ g4 R - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 O' a6 X/ X4 z3 Q - if (ret != 0) {
! W! F; r2 e8 d. s$ E8 g4 F - printf("Device %s write error.\n", E2PROM_DEVICE);4 f+ G6 k& m" J3 |2 ~5 k7 W8 l
- return -1;& E: L- |8 S& M2 q: m% E2 j
- } q' [7 |7 v3 \9 b) e3 O
- , i2 _/ @1 ~: ^ i* q9 B7 P
- return 0;
9 g) V. c! T. D! P4 z - }
& y8 e- g6 v. _% y3 u. e- { - 6 n+ l" z6 }( q
- int main()4 V) n6 ?, G+ ~/ j
- {6 G4 W) X1 R8 _: o* x/ W, ]) I# }
- char c;
, P) n4 N( C% T7 N. J# r' d* j - int i, macs[6]; b# x8 n0 ?- r* `+ [
- unsigned char mac[6];
% w& Y* N* D2 _, x" t) \: I - unsigned char stbid[256];+ D) x! t/ Q+ z- d# {4 B: |2 j
- + n. W! a, V7 \& i$ d! Y& ]3 G
- if (readparam(mac, stbid) < 0)4 n, t# M6 c; k. v4 o' H6 h( e. F1 r
- return 1;. ]5 X6 v+ y. Y9 K/ ~2 u
- - [- ?' d9 r3 |( U5 P9 u
- printf("Current parameters: \n");
3 E2 g& D" s4 M% l7 ]0 _ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; U: k# |$ M. \! R4 `9 y - printf(" STBID: %s\n", stbid);( J. _6 ]) d8 J$ C/ e4 E( F7 ]
-
( ?0 }" b; G) f3 r9 e% S j1 F - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
' O& g5 R# }$ A) a1 l, G* m - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
! V) x8 l y" ?+ \, E9 j - printf("Input MAC error\n");/ G5 P! f5 F/ \
- return 1;! c. l( \- J2 f! u# I" N3 \( ?' U
- }4 Q7 d& }* X1 Q
- for (i=0; i<6; i++)mac[i] = macs[i];
6 r4 `- n2 n6 a# z" q - printf("\nPlease input new STBID: ");6 F3 _9 z* ]7 Y; N! [+ J
- scanf("%s", stbid);
& p N' c% m0 a1 J - if (strlen(stbid) != 18) {" x W" j# Q- @, c( g
- printf("Invalid stbid\n");! k8 u v" m0 [, B' f
- return 1;
+ H) a- g( f1 o9 V+ g f( t$ t - }
& j/ R' `5 z2 S0 x7 `+ ?; z - printf("\nNew parameters: \n");/ g. l2 ?3 C" G: s2 ?, \- U. D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 [1 C5 y8 _, [3 a: z - printf(" STBID: %s\n", stbid);
6 f& m/ p$ a1 m* r
& E/ Q9 a8 p( k) S- printf("\nDo you want to change paramemters? (y/N) ");" K9 I) P6 G+ z6 I* G4 m
- for (;;) {
$ e, H6 j3 R3 Q. Y5 P+ n8 ] - c = getchar();
( z+ r8 V- u! g v. P! G1 f& u - if (c == 'y' || c == 'Y')0 T( Q6 y& b6 t
- break;
: ^$ ^# t. [2 Y$ ^+ { - if (c == 'n' || c == 'N') {8 w" i6 N2 u$ _# t( X7 q( \) t( @. H
- printf("\nAborted.\n");
% v3 q r5 W Y4 e - return 1;9 ~- g: I) {3 I i) u O# l
- }, L- p! l$ u7 ~1 _/ k& L
- }7 |1 S: E6 t* d! | @
- if (writeparam(mac, stbid) == 0) 3 L* _# K# s% m. u) B0 y
- printf("Parameters changed.\n");
% N0 h$ B1 [7 _7 ~6 j" x! B - ) s C3 Q( P0 K9 k3 x9 t! i" N2 D
- return 0;& M P4 _ e9 z! a8 @
- }
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