本帖最后由 0522 于 2012-3-21 23:04 编辑 X: ]6 {' x4 a7 P8 r, D
5 v$ Z( _( l$ M, s* ?# G修改的代码早有了。到今天不会编译。
7 X7 a8 }: S! F3 [- H需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# [3 `+ P$ W3 h+ w7 V, h - #include <malloc.h>3 c5 P8 a0 L9 Y. T
- #include <sys/types.h>6 k X4 ?/ T' T% \, o$ t8 I
- #include <sys/stat.h>2 V6 R6 B1 s* V- O6 U7 f+ l7 H
- #include <sys/ioctl.h>0 F6 l2 D2 s0 K& i* ~# P
- #include <stdio.h>( }3 ]4 V: M% q5 a2 @8 ?5 ]
- #include <string.h>5 e8 R# w; G! F
% c- B3 P# Z1 d- typedef struct {' {. m1 ?2 }# ]. M2 p
- unsigned int e2prom_cmd_sub_addr;
. c0 W) E: o% z$ R - unsigned int sub_addr_count;, E! {; U2 r" d* [
- unsigned char* e2prom_cmd_data;6 W8 D& H! o. c% C! w
- unsigned int data_count;4 B! C. @/ A' Y3 ]& [! e
- } e2prom_s_cmd;! z0 [) X5 v3 z" m$ l0 J9 h
- 7 ~/ N" g- P: {
- #define E2PROM_CMD_READ 1
2 W' @+ y, I: | y* @5 ~ - #define E2PROM_CMD_WRITE 2+ i4 e: k. J' y1 m8 _# G
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
. U+ Q$ Q4 {( a. `- u1 h
- X, v6 ?" B8 w- static int readparam(unsigned char *mac, unsigned char *stbid). e6 t; A8 c* S* C# X
- {- E+ Q. p" P) g' o
- int fd, ret;& T7 T9 ?+ S/ F4 M% X1 P2 P$ U6 b
- e2prom_s_cmd arg;' R9 a) Y( V( R: S: j$ d% k
- unsigned char buf[0x18];4 n4 d8 ^ ^1 c0 z0 ^
- % b! N# c9 t a9 H$ \; G% g' x1 G" C3 C
- fd = open(E2PROM_DEVICE, O_RDWR);8 B% O7 [" E! t$ S. O1 O7 H, {
- if (fd < 0) {
% j0 R ^4 h7 F" @3 f1 |2 H9 _$ z - printf("Device %s open error.\n", E2PROM_DEVICE);
2 ]- i- M$ m [ - return -1;
# T5 S$ W+ r6 F6 H$ D8 i+ o+ W - }
/ L9 Q3 e% e" Z# L0 N U - arg.sub_addr_count = 2;
- s; Z0 P& [% I1 K9 K) ^ - arg.data_count = 0x18;
; [& L: c7 |! r" ^: ]5 D - arg.e2prom_cmd_sub_addr = 0x290;
: s: R: s0 c5 M$ Z6 j! R# V - arg.e2prom_cmd_data = buf;% O+ b( u& I6 ?6 G
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
5 h5 X" R$ o! _" Z4 d: j4 L! ^6 g: a3 d - if (ret != 0) {1 ^0 d' b: ~' i- E
- printf("Device %s read error.\n", E2PROM_DEVICE);9 g" g/ n# m* O6 u: [* w( M7 m, i
- return -1;
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- memcpy(mac, buf, 6);5 `: q+ `4 n& P# v, |' {
- memcpy(stbid, &buf[6], 18);
( _; w* W) n- p( r- }* @ - stbid[18] = '\0';6 Y9 W+ e) h; @5 x8 v
. m, y" E. r2 B- return 0;$ d; |4 y5 C/ J# o# N0 Y) a
- }* U; {& k& q: L$ h1 R1 X, }" l) O
9 Y8 v, r# s0 u: `( e- static int writeparam(unsigned char *mac, unsigned char *stbid)3 l# R$ J. y& _8 a
- {
+ e8 t8 ~3 `; Y6 y6 c - int fd, ret;; T4 b9 N! [# }$ l6 G5 q1 _
- e2prom_s_cmd arg;/ T0 ^5 w; {* X2 S* ]( u1 `
- unsigned char buf[0x18];6 p& @, c9 q# l! w0 v4 l2 |7 N( Y
( m5 K6 a& ]2 E, Y$ y- memcpy(buf, mac, 6);
! O- N( f7 Q" @. C8 x, H - memcpy(&buf[6], stbid, 18);
4 \3 a. J! [( A R& U9 r& Q j - fd = open(E2PROM_DEVICE, O_RDWR);. O4 L7 j0 V. ]- \- r
- if (fd < 0) {
5 B$ Z8 T' L# o) [) x. X - printf("Device %s open error.\n", E2PROM_DEVICE);
: ~" Y5 o: M4 V$ B+ G - return -1;
* S) x3 @3 K* e5 S- f0 r; R! A - }
5 Y/ T" G' x* E. G - arg.sub_addr_count = 2;
. C8 [1 F2 E, O: A" q: X - arg.data_count = 0x18;
, X- B# j/ V4 j+ U - arg.e2prom_cmd_sub_addr = 0x290;5 P2 Z7 _0 r5 G, a( M" W; B
- arg.e2prom_cmd_data = buf;& E/ k3 w* F1 R/ ?
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
6 f1 w8 {0 j9 E" A2 n+ l0 c4 I - if (ret != 0) {7 F" ]& x% @8 ^, R. w6 `* m
- printf("Device %s write error.\n", E2PROM_DEVICE);% n& j; [0 R# g$ _# a
- return -1;- i$ ~2 G: r# v
- }
& c+ t/ G* U3 M
4 ^( J# W) G' d' ?& M- return 0;% R/ _& H. K, j1 g) x
- }8 @" {4 p2 }7 R c# o6 j
. _2 q4 p! x. w4 ^* [- int main()- @) u# v ~- }
- {
) \2 t8 ?5 O& A4 H - char c;
+ X* ]1 q: _8 d7 }5 x3 J - int i, macs[6];0 F3 C4 g! V2 f( @0 ^
- unsigned char mac[6];. `0 y$ F; d) T; \% a% E* [+ q5 `9 Y7 U
- unsigned char stbid[256];: w& V7 z; [# @3 j4 \/ B) T
3 {+ o6 s% i4 F& H; y2 {& O- if (readparam(mac, stbid) < 0)
* q8 T; s3 ]! A - return 1;
6 M$ C3 T1 W" {6 y) s6 @: \
2 {$ k6 f" p! W. W; ?7 Z- printf("Current parameters: \n");- h/ Y5 t/ Z" C* j
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% A( d! G; N7 \, R# I - printf(" STBID: %s\n", stbid);
5 ~4 d2 X) O1 b7 l# v+ ?4 v -
. H) B; j" @; `) @3 |" Z* n - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
, K7 [$ e+ O! Z - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {' a0 }$ P4 B) B
- printf("Input MAC error\n");
' V9 l. J6 V. C& N# m" x/ e4 R - return 1;
* k$ c" l9 @; c9 m - }
% O% X+ M, \, |, c" [ - for (i=0; i<6; i++)mac[i] = macs[i];
6 i) F1 T, [# V5 A6 W6 b - printf("\nPlease input new STBID: ");1 k4 I2 w5 s6 O2 e7 e9 O' q' ]# {
- scanf("%s", stbid);
+ k' o. L4 a* _: Y7 I% @6 D2 ~ - if (strlen(stbid) != 18) {/ V4 A6 N! p2 v% N8 N, x4 c2 U
- printf("Invalid stbid\n");
( q( V! d- R+ Z- r. b# k: R; _9 Y - return 1;. I+ A2 B* O7 ?! c; y
- }7 v, F" t( i1 w/ H+ k4 \$ i4 D; e4 K
- printf("\nNew parameters: \n");2 {" X9 q7 R B
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 t# D2 ~' X$ N& W - printf(" STBID: %s\n", stbid);
) `% L7 {$ q/ h3 [* X - * }4 F" @7 w O# J! E- Y
- printf("\nDo you want to change paramemters? (y/N) ");
1 Q1 | t" r3 t& \7 t - for (;;) {7 A7 r& p8 t$ f) g4 y' L/ T' S# Q
- c = getchar();
4 p' z5 N4 I) j [# N' N, b# @1 m2 ^ - if (c == 'y' || c == 'Y')
" {2 z7 `3 u% _$ \ - break;
3 y4 W" G3 P/ `( B0 b. L6 L - if (c == 'n' || c == 'N') {
& z6 A( C1 k9 Z" l1 N9 l - printf("\nAborted.\n");
, g+ W# B$ f# k% I) ] - return 1;
- e; j F) t) M. m3 D( e - }0 \" g$ h& K% w C! o; l, E
- }! ~) N5 z, C a
- if (writeparam(mac, stbid) == 0)
' K7 B. W+ v) V3 j - printf("Parameters changed.\n");* u+ ?3 O L1 r% g3 t- G, t
$ J" ?. P: J! U3 j+ A' V- return 0;
: |3 p2 a0 T& u- U' {5 y+ N* T5 ~: S - }
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