本帖最后由 0522 于 2012-3-21 23:04 编辑
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. V5 W2 |: b* c8 k, t& |$ A修改的代码早有了。到今天不会编译。
* }( F8 G' E5 }需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
7 y: [3 g9 F+ `1 ~# a2 a7 n - #include <malloc.h>
/ {5 O) n* u y/ q - #include <sys/types.h>- y \6 M# W9 r- p. X
- #include <sys/stat.h>/ x7 |$ R6 N9 z/ ^% ?. J* b1 [
- #include <sys/ioctl.h>
y3 R1 j' S( ~ - #include <stdio.h>
- ~* A! H+ B- m7 d3 g/ R' \# C& q, w! U - #include <string.h>7 ?3 O' G/ k9 ^+ l8 t
' h5 G# x( R4 s- ^2 h* |& T x- \- typedef struct {
+ }" K$ L# q# T! a- A: y - unsigned int e2prom_cmd_sub_addr; i2 p( }% A+ `& P! m1 f9 n$ @1 d
- unsigned int sub_addr_count;) c8 K$ D# j; \9 I, F! Q
- unsigned char* e2prom_cmd_data;
+ y9 x. B0 ^" h7 u7 {5 t& h - unsigned int data_count;4 ]% o7 H! Y/ k! Z+ ]( Y* T" C |; |
- } e2prom_s_cmd;$ C1 S; [5 K8 X% t' p3 l
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- #define E2PROM_CMD_READ 1
5 n& Y; F: Y5 l/ l2 O' r - #define E2PROM_CMD_WRITE 24 J$ z" J) b, h& x; f% V& }! ~( _
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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8 x# s2 g/ F; A4 z8 P! }& [- static int readparam(unsigned char *mac, unsigned char *stbid)6 T9 z" z4 d' }0 `# U" ^- P
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- int fd, ret;0 H0 Q( U! h$ W' L$ s; ]) Y; y
- e2prom_s_cmd arg;5 ?9 f5 q+ B1 p- C k6 b
- unsigned char buf[0x18];
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. X, Q% I/ M# H% {. h2 z" Z- fd = open(E2PROM_DEVICE, O_RDWR);9 ], \0 r6 Z4 |% y# W. j5 g
- if (fd < 0) { B& p9 f7 b4 D- M; `" D5 q
- printf("Device %s open error.\n", E2PROM_DEVICE);1 y# a6 C' g. l
- return -1;
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- arg.sub_addr_count = 2;, t1 {3 N1 a7 f
- arg.data_count = 0x18;% r, E0 ~7 r! X: f2 X8 A F- s
- arg.e2prom_cmd_sub_addr = 0x290;
1 K3 `. ^. k3 F3 a! y - arg.e2prom_cmd_data = buf;
+ v B4 K; d9 V9 z" D - ret = ioctl(fd, E2PROM_CMD_READ, &arg); X% E' D1 U+ j! }" n
- if (ret != 0) {
! i- t m5 y2 E1 | - printf("Device %s read error.\n", E2PROM_DEVICE);! Y, Q4 s8 Z6 m. D) C% x8 H
- return -1;
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- memcpy(mac, buf, 6);: ?: O/ f* d8 n4 P' A; L
- memcpy(stbid, &buf[6], 18);0 N- _+ T8 V% G4 D" T$ r. n( G2 g
- stbid[18] = '\0';
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( i" u8 g7 Y$ b; R- return 0;
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- . C7 p p( q+ H0 r. a6 I4 ^
- static int writeparam(unsigned char *mac, unsigned char *stbid)
* `9 s( V4 g5 S% d5 m - {
1 y) c: o4 R9 a - int fd, ret;
; E0 [, C1 J6 W - e2prom_s_cmd arg;
. j- V6 @% h! b+ R - unsigned char buf[0x18];
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; {1 N9 |: i! p1 K$ g# ^- memcpy(buf, mac, 6);
) n- ~* V9 C0 u% ^& T0 ? P; S% u+ R - memcpy(&buf[6], stbid, 18);3 ]- D2 d" O. S7 K" G% K
- fd = open(E2PROM_DEVICE, O_RDWR);6 {$ t5 m7 x$ {5 f
- if (fd < 0) {- n; j$ d/ C/ U$ r# u. g
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 \4 P! K. b, r, e# a - return -1;. U- R! X/ Y T. O, o+ h
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- arg.sub_addr_count = 2;
7 y3 D* A, B6 O3 D' X1 g1 U - arg.data_count = 0x18;
2 Z* I0 m+ j% n- R - arg.e2prom_cmd_sub_addr = 0x290;" H9 {/ O9 s9 G1 ?7 h% D, y
- arg.e2prom_cmd_data = buf;& h1 _0 T, m6 S7 c. T
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, Y3 u! ~9 o# |# O - if (ret != 0) {# N- M7 s2 O$ W* A5 V$ X
- printf("Device %s write error.\n", E2PROM_DEVICE);
1 w# k) F2 k* B* a2 Q) ~- v6 | - return -1;
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: {: y3 v+ N& v2 a; H- return 0;
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6 C1 r) c- S" p6 p$ F- int main()9 C- R+ t$ c7 a6 C' M G, J
- {
+ O0 X8 k# A7 M1 k; r' s - char c;
$ O! X# B- n$ x- c5 ~ - int i, macs[6];- g6 @$ p) b% S8 I8 R) z& i" z+ ?
- unsigned char mac[6];
: H- X* w& s* q! m7 U2 K( o( q - unsigned char stbid[256];
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# [4 j) G# L3 l# t, l- if (readparam(mac, stbid) < 0)
8 B7 g5 z9 F: Y2 d' |, z3 i - return 1;( g! K" ?! @9 U4 I
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- printf("Current parameters: \n");
8 R1 u: H D/ u- X - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* J& B$ f t6 q+ u& z% o- u7 g - printf(" STBID: %s\n", stbid);
* E0 D$ L2 I; s8 b+ u" r -
! R5 X" T* T6 T( a4 y4 h G - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");" \* n: z% [6 k8 a
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
; B4 F# v: I. R# _4 D - printf("Input MAC error\n");
( O, C/ L5 d" s$ M0 t - return 1;% L) M5 a+ y7 v! a! D$ P. A
- }
) j& Q6 l% C9 `) Y - for (i=0; i<6; i++)mac[i] = macs[i];0 y8 Z! D2 A6 c! C$ v3 r
- printf("\nPlease input new STBID: ");
; i! ^' W" ]( ]8 R - scanf("%s", stbid);
4 J: U# Y4 _( F! N - if (strlen(stbid) != 18) {" f7 y, w* ?- X, S1 M! s* e D+ i
- printf("Invalid stbid\n");: Z) A$ |* ^/ [- V
- return 1;& l; ]" n7 |! L7 `( p
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- printf("\nNew parameters: \n");
7 n R3 i+ v d# q" b) o7 { - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 J7 R5 t3 N/ W# C O( U
- printf(" STBID: %s\n", stbid);$ s0 f5 f) {7 t% h1 `! B" E
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- printf("\nDo you want to change paramemters? (y/N) ");
# Q: E7 {" l6 J0 ] - for (;;) {1 J4 [- I$ [- f6 \
- c = getchar();
. o( @1 }" o0 l% A7 t3 Q - if (c == 'y' || c == 'Y')
# W- F% F! t& G" _, M- N - break;
( V1 Z. y. G1 ?/ ^3 E; l, A - if (c == 'n' || c == 'N') {
$ i" }7 m! i* P9 o& t/ s - printf("\nAborted.\n");
1 N- A- ]2 j$ g2 M$ ^' P+ I - return 1;3 q" `: H) \& P
- }
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- if (writeparam(mac, stbid) == 0) B/ B( C4 Q" y& g/ p! E; J
- printf("Parameters changed.\n");
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) V1 `# k1 r L! _" @- return 0;/ c" w& h# c5 F( G' Q" z' Z
- }
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