本帖最后由 0522 于 2012-3-21 23:04 编辑
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4 \9 r' E1 S: d2 M修改的代码早有了。到今天不会编译。; j8 x3 r8 F5 r6 a
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' q- j# j1 i" P/ {* l6 T0 B
- #include <malloc.h>1 M4 p, f' l) q
- #include <sys/types.h>1 e% H. W" U/ H/ j7 ?; U
- #include <sys/stat.h>, u O" @" j, w5 k; C& K! K0 `# ^
- #include <sys/ioctl.h>
3 _5 `* ?! I" x/ d, m - #include <stdio.h>
7 y a) p' f1 ?$ a& b, ? - #include <string.h>
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- typedef struct {
9 g! N8 `( s! a; V - unsigned int e2prom_cmd_sub_addr;
" y% L! `( D4 w1 M% g - unsigned int sub_addr_count;( H0 S# S, C' C2 Q$ h0 D# f/ t
- unsigned char* e2prom_cmd_data;
5 C0 q" c4 }2 A( _4 L - unsigned int data_count;- q- G9 [& r- Y- H# D
- } e2prom_s_cmd;* Y; z, `" I! d1 Y* q! f/ o5 ]% B% y
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- #define E2PROM_CMD_READ 19 M! ~, V2 f8 K! ]8 J# c+ |
- #define E2PROM_CMD_WRITE 2* O, i% p0 K) F& o$ a* ~
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16") f3 Z( N Z) g3 ]9 N( r. {; B
# A% @( ], J; I6 Y1 j- static int readparam(unsigned char *mac, unsigned char *stbid)+ y7 g( L# d/ J% v! l
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- int fd, ret;
& N! G0 p& n& K" X s. M - e2prom_s_cmd arg;
3 j7 v1 s6 U0 A5 h - unsigned char buf[0x18];. d+ u2 |: A* Y$ P" P8 h' G! s
$ n* f9 Y0 N* d+ K2 n8 V( d9 H- fd = open(E2PROM_DEVICE, O_RDWR);
' O8 q( D7 w4 [ - if (fd < 0) {) Y$ c2 ^3 e G0 \! l
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 A0 l" L3 [2 J0 E' g& B - return -1;
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- arg.sub_addr_count = 2;6 r& V" r2 Y+ j
- arg.data_count = 0x18;
3 W, }) a- |- r- ~# [9 [4 C8 W - arg.e2prom_cmd_sub_addr = 0x290;2 G) a5 D* I: d1 |. x; J0 `# E4 h
- arg.e2prom_cmd_data = buf;
* M% C* c+ A# T5 i0 M - ret = ioctl(fd, E2PROM_CMD_READ, &arg);4 |3 I( V" a6 c2 @9 M
- if (ret != 0) {
4 @+ x; T' b& T& @! G0 w - printf("Device %s read error.\n", E2PROM_DEVICE);9 p$ k7 [ m" C' @5 d1 @* y
- return -1;$ D( f( X9 i" c T* C* }5 g+ S4 U
- }) ~& V* y: D2 b. O6 K9 J
- memcpy(mac, buf, 6);$ y" R! y" X* _1 P
- memcpy(stbid, &buf[6], 18);
' |* X3 k2 s0 [2 x. h6 Z" R% j: i* Z# ^ - stbid[18] = '\0';4 |4 E9 ^# W6 d. a
, m. x7 t2 s* _( B8 A( n4 \- return 0;& k+ p8 D# `; K1 p" l8 {
- }- _1 C' R7 r1 L; _
, X. F; L2 `, A2 b4 O9 Y$ o- d- static int writeparam(unsigned char *mac, unsigned char *stbid)
& j: }; L3 U& I" E$ N0 d - {
" Y. ^/ D" M+ X d* _( F/ t1 y. h - int fd, ret;
% a( F5 i! E+ _9 \6 `3 d+ Q - e2prom_s_cmd arg;
9 w7 M" M/ y. {6 h1 S - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
B, w7 p: j M% x: y0 ?) x - memcpy(&buf[6], stbid, 18);( q, P$ }; G2 p c
- fd = open(E2PROM_DEVICE, O_RDWR);
$ I- y* n8 B$ H - if (fd < 0) {
' i* B S* x% \' d' R - printf("Device %s open error.\n", E2PROM_DEVICE);
" j/ {! |) m6 ~" o% A7 M) h7 ]% |/ F* F - return -1;4 j# F: I: H2 n% G/ S( z8 r4 X
- }* B; Q4 s* ^# ~( ^
- arg.sub_addr_count = 2;, `! c3 `$ b, Z9 y' Y
- arg.data_count = 0x18;* H- x8 o: z' e# H
- arg.e2prom_cmd_sub_addr = 0x290;
3 w2 Y1 y( S. C - arg.e2prom_cmd_data = buf;
- Q3 b) T" b {+ f+ i" ^! A - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);1 d' U* N7 w( m6 I3 D' ?
- if (ret != 0) {
4 H" s7 S( G' g8 J6 F9 v - printf("Device %s write error.\n", E2PROM_DEVICE);+ v3 ]; I5 S' l/ a) T3 ~3 ^+ `; u
- return -1;- A7 O: l$ X- ^( ?. @* d
- }
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- return 0;
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8 Z; M3 V3 }% u7 O6 B9 E# Y. U- int main()" \2 J4 [3 _# o& q1 k5 A# U! q
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- char c;2 P! ]! V% d1 O; q, \2 @, j5 K7 i( X
- int i, macs[6];
, Y* h& H! n: [7 V - unsigned char mac[6];
; r( Y- F* ^' N2 M6 M- Y7 E1 M3 ? - unsigned char stbid[256];5 j" p0 [* Y( H/ w4 e5 r
$ F8 z, f7 D$ D' ^3 `- if (readparam(mac, stbid) < 0)
1 i ]0 v1 r8 }% W% d Y i' \ - return 1;& Y2 j$ F, ^+ G/ l: [- ]
O7 w1 H# ]" N. B n D! C- printf("Current parameters: \n");3 [0 z5 B3 \1 T% j$ C1 L4 p% X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, ?, _: l ~% ?0 X
- printf(" STBID: %s\n", stbid);5 J: Z5 l: S' ]) m, C6 j1 V \
-
& C) _5 c1 C/ b/ W- L! q) X - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
6 y7 }% Q( h5 s3 U$ ^8 r( k/ ? - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
4 ~* R$ G: J. p) v; J# z. A - printf("Input MAC error\n");
9 f9 m# Y5 e6 j+ {& P7 c - return 1;
/ v; d8 p( e4 \' z4 j, L$ q - }2 ~9 B4 F! U0 E% {7 Y* f
- for (i=0; i<6; i++)mac[i] = macs[i];
' S2 @- N1 E! ]6 Q) Q - printf("\nPlease input new STBID: ");3 J* \0 F7 U7 c
- scanf("%s", stbid);
# e2 w0 K' t9 F9 m( f - if (strlen(stbid) != 18) {% R6 x% T, e8 b% p1 m
- printf("Invalid stbid\n");9 o4 x3 D0 X4 Q6 w4 E5 s5 P* Y8 |
- return 1;" z( p" A/ h6 F0 O0 H3 L
- }/ `5 J2 S b4 k) a3 S, |
- printf("\nNew parameters: \n");$ ^ ~+ l6 w2 e; u, o: x
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 N, q R/ `# X8 p7 F; \% I& n6 T - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
" Q4 u) U3 C6 R' V; Y - for (;;) {
( G' j/ @" Q* e# R' U - c = getchar();+ l, f! h' C' y
- if (c == 'y' || c == 'Y')
1 ^4 w$ I. C7 K7 ]5 H3 ^ - break;
; j1 J R- d% D* J# k# g: V - if (c == 'n' || c == 'N') {
$ {8 K \% v" r - printf("\nAborted.\n");
0 F! B3 V4 ~7 z% J - return 1;
8 I5 u/ y' a2 M' a. z( E7 K - }
& V, a, ^; r8 C' r - }
6 _0 s8 P/ _. X j - if (writeparam(mac, stbid) == 0)
* j( Y, v8 D0 \( g5 b - printf("Parameters changed.\n");4 e5 F& V( g0 u X3 l3 d. Z# o7 x
- 3 K0 ~! i! F+ _& h+ n) H' B
- return 0;
" v6 h6 O3 `/ V) ~/ Q0 o - }
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