本帖最后由 0522 于 2012-3-21 23:04 编辑 9 j' n1 Q3 x* Q! G
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修改的代码早有了。到今天不会编译。; Q6 ?( ^ h# s, B
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: Q$ Z' F1 w6 ]. B ^4 ]
- #include <malloc.h>
6 K2 Y" s5 k& ^* n1 X! A( x$ D' A - #include <sys/types.h>
" Y# W1 r9 N# c9 r8 ~( o; } - #include <sys/stat.h>
; J0 l0 W; P7 r6 o2 F( E0 D8 N - #include <sys/ioctl.h>5 J, Z1 c- r- b0 q% c! K- C
- #include <stdio.h>
" q' ^* Y7 q+ T5 o9 ^ - #include <string.h>
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- typedef struct {
% x! A2 y; Q; K% j - unsigned int e2prom_cmd_sub_addr;& Z7 D% Z G3 _* ]
- unsigned int sub_addr_count;1 d$ i! T4 f' q, n% k
- unsigned char* e2prom_cmd_data;7 U! ^8 c6 G' c8 {5 }4 l
- unsigned int data_count;/ ?/ O1 T9 D: q; S( O
- } e2prom_s_cmd;
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$ h. }6 y, H+ g9 ^9 b; ?- #define E2PROM_CMD_READ 1. L; R7 P! M0 i$ k9 e
- #define E2PROM_CMD_WRITE 2
- C) n( y$ z+ [' k" \4 D& v3 | - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 }4 j) V5 i+ L* L4 P6 m
. ]5 M7 \4 l& {6 Y0 P- U- static int readparam(unsigned char *mac, unsigned char *stbid)
. t+ E# J: ?6 ^9 h - {3 ]5 M2 i$ q" k0 `' O! E9 d
- int fd, ret;
2 u, q3 ~, p2 a: n8 A7 L% F# k g - e2prom_s_cmd arg;+ Z# O; }; h0 r. r$ X) Q
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
$ n* A! E: p' ?! i' S' y/ s+ D - if (fd < 0) {8 Q9 Y& W# R/ [/ y
- printf("Device %s open error.\n", E2PROM_DEVICE);
- n. f6 R" N& ^: ^% x d3 t: @ - return -1;# X7 D/ Z* ^0 {' _4 k: J. L: {
- } T) w% U1 `- N, e
- arg.sub_addr_count = 2;
) T& y6 |# @. X - arg.data_count = 0x18;
. l5 @5 X! u7 L# G - arg.e2prom_cmd_sub_addr = 0x290;
8 \; ?) u& Z6 p* o+ b* H - arg.e2prom_cmd_data = buf;& o1 y& _* n3 N8 z: _
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
* B$ C4 c( c8 ? s' C" t s6 \ - if (ret != 0) {' P& L4 N) U! W2 S
- printf("Device %s read error.\n", E2PROM_DEVICE);* H ^3 `" Y! T1 d7 m. N
- return -1;
7 N y$ Y) t9 j$ H- j+ ^ - }
1 h/ V. a; f) U7 @$ d! ?8 }" u - memcpy(mac, buf, 6);
+ ^: k# n1 p* j" ? - memcpy(stbid, &buf[6], 18);) ]# k/ D$ g- a7 k* n+ Z6 a, X+ a
- stbid[18] = '\0';
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- return 0;
; i! O( k( G# ]6 T6 K - }
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8 l" t+ i' _+ D! F- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 _: D0 f q5 \7 w' ^/ y* s4 r1 X - {
0 {& e5 O k9 I - int fd, ret;
0 F4 }. N; m+ k - e2prom_s_cmd arg;3 F% z# K7 B) W; `. n
- unsigned char buf[0x18];3 J; U$ y. X. C* p$ l" @
- / I Q% J1 f# l
- memcpy(buf, mac, 6);
) @' q( S- P9 g% n1 X - memcpy(&buf[6], stbid, 18);
1 e- c0 c6 c$ |# T }. v* k) D - fd = open(E2PROM_DEVICE, O_RDWR);
( i# K" i/ B. ~( z6 T* |% M - if (fd < 0) {1 i) Q3 B( l" T6 Q- Q) P* o" R
- printf("Device %s open error.\n", E2PROM_DEVICE);
/ W# p4 L2 q4 B - return -1;9 d7 E8 s. z' s) J ~* M
- }
7 G8 h; p# L( g% T' _; S$ q1 L - arg.sub_addr_count = 2;4 a3 S# E% t4 j; I0 k/ e$ V* C8 ^
- arg.data_count = 0x18;
$ y% G% o7 Y# y" `! u, j - arg.e2prom_cmd_sub_addr = 0x290;2 W5 s4 B% ?/ d9 @6 s# c
- arg.e2prom_cmd_data = buf;8 F8 E. n7 e7 R% G% `: {
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);: c1 `% {8 ]2 S& i2 h
- if (ret != 0) {2 ~1 q& `* y2 X) o2 I) T9 [( R/ l
- printf("Device %s write error.\n", E2PROM_DEVICE);. q) o( q/ D, c1 A
- return -1;
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) `5 s+ y9 p( y0 @2 j0 u- return 0;6 ?: u# i& m! v v
- }% N3 F5 e2 C W( u" o$ ~6 x" m
: `0 t5 A% V X% S" t- int main()3 K$ ]- ?6 B( S0 T: x
- {% K4 ~$ H- E, F, P9 f! C5 U
- char c;
8 o9 v: W5 R0 o - int i, macs[6];
5 \0 t0 @- O. n+ i0 ] - unsigned char mac[6];
) Y& v- b2 f/ X& o5 B - unsigned char stbid[256];
# ^* J, E. W, b( b# O+ u; k, c M1 X
# l/ ~: I4 @. y. L5 t/ f) c- |- if (readparam(mac, stbid) < 0)6 ?) V' a7 K; l1 d* v
- return 1;: G" S2 h, X0 M+ r5 p" I* X
- ! D1 G- ?. P- X8 I0 {
- printf("Current parameters: \n");* M' L7 z" |2 p% U3 A+ D- @; _
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 j( M4 O% r6 Z% T" g9 ~5 p4 T
- printf(" STBID: %s\n", stbid);2 C. r8 B6 \3 }, b" R2 U+ T( g" o" G
- 2 M) u% d& x* d. b
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
, u* n5 H- H: I - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {5 J* C$ x/ X1 {- X2 i; ~1 H5 B& ?
- printf("Input MAC error\n");
% [* `* I v7 j) `7 H& r. O* X" d$ F - return 1;: c0 |0 ?% F, z5 I ^; w
- }4 ^* P$ @( f" ]8 s/ D
- for (i=0; i<6; i++)mac[i] = macs[i];
, Y6 A, `/ W7 Z9 S% _ - printf("\nPlease input new STBID: ");1 M+ _( i% s) O- e8 q* M
- scanf("%s", stbid);
; r& O: f7 `7 F9 X) ?: ]. [ - if (strlen(stbid) != 18) {
1 y) Q4 L" N3 q" {+ k9 B - printf("Invalid stbid\n");" t; I- `* r7 M* P) f; @/ t/ h
- return 1;
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- printf("\nNew parameters: \n");, ~0 y7 | O. \5 k5 G
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. m2 Y; }+ u: c. n - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
& y3 p, s# t& [6 O - for (;;) {
4 c0 |3 O, b) V+ u - c = getchar();7 q& @- w" h* u1 `' W
- if (c == 'y' || c == 'Y')/ n9 o' P3 a3 W4 _& b* F2 t
- break;
! J8 S1 i- q) i' s x! g( {, W - if (c == 'n' || c == 'N') {
; W9 C1 Y) w x9 z" ? - printf("\nAborted.\n");( A/ g+ |$ h, D8 F) R5 _
- return 1;2 L. i( H7 c* q8 W
- }$ h: Z! k5 N1 B+ E, e. O
- }: Y% S. v* O+ L) }. A$ Y
- if (writeparam(mac, stbid) == 0) " E, Q6 T) D3 \- i$ w
- printf("Parameters changed.\n");, y8 n0 }, ^* G a; s; m c8 o! E/ d" C
) w8 s# b# O# x" S- return 0;
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