本帖最后由 0522 于 2012-3-21 23:04 编辑 " l+ T D4 k/ E1 c
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修改的代码早有了。到今天不会编译。. _2 P) L+ Y# U2 L! f, _0 s
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
9 I }& o! Z6 j - #include <malloc.h>
7 T8 z9 h* I3 ]$ p7 { - #include <sys/types.h>
1 G' Y T5 _4 ?4 N( d' C! [" U - #include <sys/stat.h>
* A2 | ]: R8 z. k0 R1 ]- q - #include <sys/ioctl.h>) S* ?$ t* s: G" ^
- #include <stdio.h>0 t8 Z: R& U1 R6 p% F( i- ~) H% B+ h
- #include <string.h>! R$ r, F5 U2 `
! G# f) ~- v' L+ Z# ?% s, ]- c* Z- typedef struct {
7 }; }) `7 u& n! J% a - unsigned int e2prom_cmd_sub_addr;" B& K2 t2 d6 H% Q, ]* r% ~ x
- unsigned int sub_addr_count;: w. B; |# y L7 d* D
- unsigned char* e2prom_cmd_data;1 d) p7 M" p/ ^# V' X, Z4 M
- unsigned int data_count;( i( Z6 g0 {7 } `2 I0 W% t) W
- } e2prom_s_cmd;' o' I& O' P2 x- p
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- #define E2PROM_CMD_READ 18 K/ I3 S! N) q9 O, V% E5 t
- #define E2PROM_CMD_WRITE 29 n' B+ i1 B( `9 a+ q/ L8 i% @
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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( U* ?8 A( v P- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
' ^; X. Q1 P. @. O - e2prom_s_cmd arg;
6 m v9 H7 F/ C3 D1 V. Z - unsigned char buf[0x18];0 ]' p/ g; e' Z8 O4 \; m' S% U) z
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- fd = open(E2PROM_DEVICE, O_RDWR);4 A6 ]& C I4 O8 \" \# I
- if (fd < 0) {
# O; i8 U! Y. P7 k& u1 M8 X - printf("Device %s open error.\n", E2PROM_DEVICE);2 R+ e0 ]) z$ K5 O% V4 r
- return -1;
: a' a* b6 b' M% D2 |' x. b, _% `7 y - }
2 o F' V X- o5 X& ` - arg.sub_addr_count = 2;/ |4 z6 O' x, g, R$ m
- arg.data_count = 0x18;
9 d3 I6 z, U( g0 ?: M - arg.e2prom_cmd_sub_addr = 0x290;, _! S' n! v' B
- arg.e2prom_cmd_data = buf;3 |5 l; A) w; n' L/ G
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
9 D4 e1 H6 }. S( j6 t - if (ret != 0) {
" }& `: n" y+ t - printf("Device %s read error.\n", E2PROM_DEVICE);# G2 N0 K- W: o5 a9 O
- return -1;
+ {/ e6 M2 T- m o" O - }
N1 Z0 L' N% h! u0 E8 r - memcpy(mac, buf, 6);
2 p3 Y$ P u' K6 x8 k( v - memcpy(stbid, &buf[6], 18);' Z+ [. w. s! N7 P4 Z# j- N
- stbid[18] = '\0';
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2 S7 n) y% D' \* n) O8 A- return 0;
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, X M: R. U$ X1 l7 I) I$ }- static int writeparam(unsigned char *mac, unsigned char *stbid)4 X& z6 u5 o! z7 X8 Z- a3 W7 A
- {
" A0 u# z6 H# {' f' S - int fd, ret;; X* ]5 D8 w, q1 f, x2 t7 @
- e2prom_s_cmd arg;
! N5 d' F; j/ B5 a2 l: b' J* z - unsigned char buf[0x18];
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_9 ~/ B3 ]+ K/ w. q K* t* j- memcpy(buf, mac, 6);
* E5 F" D# @" X8 f - memcpy(&buf[6], stbid, 18);
0 D0 U- z8 C' M; g# I# V& y" a6 [( m - fd = open(E2PROM_DEVICE, O_RDWR);) B1 A# h8 q% C# h8 L
- if (fd < 0) {
. |) d% i( R4 }; T; g- k$ v2 g - printf("Device %s open error.\n", E2PROM_DEVICE);
' a6 o8 C- D- W( `4 O - return -1;$ e3 X4 F0 t6 u0 C
- }; C+ Z$ h% E; x& b
- arg.sub_addr_count = 2;
9 k0 p4 M( J9 d) { - arg.data_count = 0x18;# {" ?: |3 ?5 b' B- H% g# b
- arg.e2prom_cmd_sub_addr = 0x290;8 P* R0 W1 l8 L/ M2 x
- arg.e2prom_cmd_data = buf;
, H/ ?1 K) ]! S* O0 h - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);3 U. R# d* q+ a2 l5 A
- if (ret != 0) {
1 N; ]5 K( ^. o - printf("Device %s write error.\n", E2PROM_DEVICE);
# K0 [3 U% t) h0 h- E3 X - return -1;
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- return 0;
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5 F0 T! o) A- X! M0 K- |9 {. p. R9 o- int main()
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7 q, Y- u) N" Y* _4 U/ ]0 x$ @$ [ - char c;2 l1 f5 C; S1 ]* W: l
- int i, macs[6];. j1 u& ^( @* x! H: o+ {
- unsigned char mac[6];5 U. `5 k4 y- c1 ] K0 Q) u
- unsigned char stbid[256];+ c8 I \1 \: X6 F, K
4 X6 p4 @' {8 v4 D( m, O- if (readparam(mac, stbid) < 0)
9 [ T/ \& [* H" l! g - return 1;( }# |7 t, s, w, W
- 5 i4 a, L$ S' x
- printf("Current parameters: \n");, v' r8 c8 C5 k- e, f+ k
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- n$ W$ Y- F* q' T5 s8 `
- printf(" STBID: %s\n", stbid);" g0 F5 p0 B4 l& P6 z
- 5 n) o! a* Z& L+ w% M
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");' N, y. _& d7 m0 t1 [% i
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
, m1 r$ b$ D5 V+ q9 j0 O: h! B - printf("Input MAC error\n");
/ Z# B" C) W9 f' l! G# L3 b - return 1;3 o1 ^* A' @( ]: O/ e$ }2 l
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- for (i=0; i<6; i++)mac[i] = macs[i];
e/ Z) u4 [* m - printf("\nPlease input new STBID: ");
8 G' f, i5 q3 D5 z - scanf("%s", stbid);
, A# ?: B( T5 \/ l9 ~3 ` - if (strlen(stbid) != 18) {
* Z, Y: k% ^9 Z9 t1 f% P - printf("Invalid stbid\n");
\- o( ], U& M, G6 y4 _/ ~ - return 1;
& [) F" z3 o' _ X( S4 b - }
4 ~- ^6 g' U5 N8 w; N) B5 l - printf("\nNew parameters: \n");
! [) R7 `# C4 h, G - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" y! n/ E3 E$ I, p% E5 X$ u% S - printf(" STBID: %s\n", stbid);& k N9 C" @# T3 t) m
- " u4 m" ~ Z* v1 x5 k
- printf("\nDo you want to change paramemters? (y/N) ");1 j1 i" n* ?1 E( r) g
- for (;;) {
% _) i& o, z: `& d& P: ]0 I8 r - c = getchar();: M* L3 I/ X& V: N. H
- if (c == 'y' || c == 'Y')
; @" c. p O H9 N - break;* x5 V8 Y- C: g
- if (c == 'n' || c == 'N') {# f i! ]; N3 j" K& Z( [9 g1 T
- printf("\nAborted.\n");6 I: W, a( p( P6 N
- return 1;
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- }
9 Y( f* c9 g' f. I5 T$ {- V - if (writeparam(mac, stbid) == 0)
. C: @. \# B/ |% a% c - printf("Parameters changed.\n");
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! B, {& C4 k" r+ w- return 0;
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