本帖最后由 0522 于 2012-3-21 23:04 编辑 q1 U$ _9 r8 I. Y# e
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修改的代码早有了。到今天不会编译。! ^) @& Z4 o! \' [; C7 K4 k
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
1 W; i9 u6 u" X1 ~* a. \: C - #include <malloc.h>
2 ^8 L j$ P6 R% I; p4 d* T9 K - #include <sys/types.h>
, ?/ H' H1 s; c8 S% N) ^( Y9 V - #include <sys/stat.h>7 n8 m7 H2 X8 e" G1 L
- #include <sys/ioctl.h>
0 H: E% E2 I7 |/ U/ s - #include <stdio.h>4 r& a: c, z+ W' ]' Q
- #include <string.h>
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7 R, u% D% O% j- typedef struct {
, p) R p" W. k - unsigned int e2prom_cmd_sub_addr;
8 h9 |7 c5 ^. c6 @" j. G - unsigned int sub_addr_count;
' z; }! i7 ~8 t, \8 p - unsigned char* e2prom_cmd_data;
% K% d: |$ m2 ^) e - unsigned int data_count;
& Z, L* v0 R8 g- Z - } e2prom_s_cmd;3 V5 ~0 E; S; O5 W- R3 e1 O
2 e/ [% L Z9 H- j8 q- #define E2PROM_CMD_READ 1
/ h9 i: b( ]8 z - #define E2PROM_CMD_WRITE 27 D( @. }, }. M1 A( w1 ]0 m
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"% a5 v- s, `# C3 u6 O1 ^7 ]4 L
$ W* e$ N% r: F5 b1 s2 K- r- static int readparam(unsigned char *mac, unsigned char *stbid)' U0 p9 h2 ^2 V6 t2 B2 e- B
- {
7 M! v( H( u8 X; F8 Q7 T8 D+ Y6 x - int fd, ret;
- R7 `8 Y1 u: P; d7 r |6 J - e2prom_s_cmd arg;
4 w7 R) y- W9 ?4 | - unsigned char buf[0x18];* g% R& N" A0 ^8 k# D4 n" G
. q0 u$ J" p# C9 y8 \- fd = open(E2PROM_DEVICE, O_RDWR);! ^3 ~; z! c& L0 o* ^; Y! P
- if (fd < 0) {1 B9 J" r. [' p7 b( S Z
- printf("Device %s open error.\n", E2PROM_DEVICE);
% |/ f' @( }1 S: ^( z! } - return -1;. x: P6 F8 S! Y. N
- }
2 I# `6 D. D. u# X - arg.sub_addr_count = 2;
8 r# \% {& O, C" r3 {( T8 \ - arg.data_count = 0x18;) M; h4 ?: z' Y+ f9 J1 @
- arg.e2prom_cmd_sub_addr = 0x290;3 s$ c' X3 f2 u. z: n: q) K- l1 M0 k
- arg.e2prom_cmd_data = buf; C2 ~- t8 o7 N. t7 x
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
5 {- w/ H0 E4 G - if (ret != 0) {* M) D- p' f' x: _7 U/ E! b) T
- printf("Device %s read error.\n", E2PROM_DEVICE);0 ?2 e e+ m1 c+ Y& ^9 m) P0 d
- return -1;( `3 r- T/ T% g* p Q
- }8 f) v( O& B( e" D6 y0 }
- memcpy(mac, buf, 6);! z" }9 {: u2 Z3 p. Z
- memcpy(stbid, &buf[6], 18);
' } O. b* s% o' \5 \. Q - stbid[18] = '\0';& X, I/ t5 K& h/ t& m5 H
- & c3 A! a* m9 E8 L' L/ H. m
- return 0;
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- 9 l2 d- ?4 O( Q! ~. X% M
- static int writeparam(unsigned char *mac, unsigned char *stbid)
- \/ z9 |4 a, g5 x* _2 C, P - {+ F* M; N7 Q8 Y$ s
- int fd, ret;
; u8 A: Z/ Y% P% Q5 O2 [. X4 D) p - e2prom_s_cmd arg;
( L# y' r/ o- H& g# K$ M - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
: P% j2 U8 P8 O' ^! e q - memcpy(&buf[6], stbid, 18);
' }. Q% i0 |1 p) m0 A. k; A - fd = open(E2PROM_DEVICE, O_RDWR);
- e" K* V- j/ h7 q, ]+ |8 Y* I - if (fd < 0) {, K$ M5 m8 s0 U5 q( g9 d
- printf("Device %s open error.\n", E2PROM_DEVICE);3 D! e. C) ]. a! _
- return -1;, W! w6 }" c& D/ R' W/ b% ~
- }, u: u4 V# p) @- |
- arg.sub_addr_count = 2;" }7 ?) V) }7 p- [
- arg.data_count = 0x18;
# ~% E, I2 Y- ]# N; V" P1 c5 s4 @4 x - arg.e2prom_cmd_sub_addr = 0x290;8 n9 Q- v; H2 ?9 o, w, N- ^
- arg.e2prom_cmd_data = buf;- b9 B3 x g2 k8 N- m0 N
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ @2 R: t. Q* _3 v% V" `$ J - if (ret != 0) {- f$ [4 a0 q/ D3 D1 P* M$ W
- printf("Device %s write error.\n", E2PROM_DEVICE);
6 ]. {6 B! ^$ T; O6 t - return -1;5 h+ C a1 D! G/ S! f9 ?/ s
- }
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9 i# V/ U* V7 z2 V$ A- return 0;" i# k$ D: l( \4 q" j; j
- }+ ^3 Y) S- B0 O7 Z. j
. E6 m0 n; j5 ?% k- int main()
2 e1 U& F: v5 k$ [6 S - {( ^/ U0 G* {/ I& T
- char c;
4 Z V; E, P! G; T9 Y T - int i, macs[6];$ K7 g! m0 n) o& A9 \: r2 U$ q- \' a
- unsigned char mac[6];
) y/ d. T0 p' [' @ - unsigned char stbid[256];
! }5 G8 D F b: [ - 0 A5 T6 t% e8 Z& m
- if (readparam(mac, stbid) < 0)
" W8 q& R3 J# c# U1 ^+ x" w - return 1;/ r( e2 w6 N* w7 p5 ?" y/ u9 X2 P6 F
4 N- d; K z, S4 R- printf("Current parameters: \n");2 i- [ B" D8 {! w
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) n% n, j! s$ X8 A( }3 s3 }" Q - printf(" STBID: %s\n", stbid);: P- P& o6 t1 c% h+ G) p
-
# Y" L( ~1 h5 z W, \8 J5 \4 Q - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# L1 Q n1 B4 ?% m& s, m
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 D8 A& R! ]4 R! \) L( J+ S6 O - printf("Input MAC error\n");# ]3 y( H* ^- u
- return 1;- l: y9 f2 m2 h, U5 {1 E3 v
- }
' s0 V# \4 Q6 P" A* f x% K - for (i=0; i<6; i++)mac[i] = macs[i];
$ u0 ]: l4 d1 b% _7 L4 } - printf("\nPlease input new STBID: ");: G- F. m- j1 T8 |, G
- scanf("%s", stbid);1 u+ J% V4 _9 K* H2 ] |
- if (strlen(stbid) != 18) {
+ ]; z- K& T% x3 w6 N) A, q - printf("Invalid stbid\n");
% D2 u4 s+ f( e3 {5 ], ? - return 1;' g7 p0 q3 \7 f7 s' o- T* w
- }- g/ Y5 [3 W! f, _- D6 |. B5 @
- printf("\nNew parameters: \n");
) w+ ]& ]- |( C& [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
\4 ~/ \$ K& l4 ]3 [ - printf(" STBID: %s\n", stbid);- s& O9 [' K, U( ?
+ x0 W. r. K( m' D0 h- printf("\nDo you want to change paramemters? (y/N) ");
' j! ? | W9 a7 J. ? - for (;;) {- c# a- e( h8 y# c4 k B; G
- c = getchar();
/ e* N0 P x& @; x - if (c == 'y' || c == 'Y')
" w, U7 \8 [3 c3 {' M( Q - break;7 k C# a6 W2 K% S; Q. P
- if (c == 'n' || c == 'N') {
% X7 n+ g& t$ }$ Q) q8 A$ e1 H - printf("\nAborted.\n");4 l0 F9 \& f* y! [4 d, r
- return 1;
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- }
5 N* P" v$ L& L0 U' Q2 l; L - if (writeparam(mac, stbid) == 0)
% L7 D/ i: v F) `1 o - printf("Parameters changed.\n");
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: V4 @7 K; a! C6 o/ }, B0 I) |- return 0;
( W1 @4 v2 v+ n - }
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