本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
# q" A r+ K& r m# W9 A% W3 j6 l& u需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>% D+ e- P' g3 n3 m1 m
- #include <malloc.h>
6 ]7 o: @$ D( Y& n1 ^' _* K - #include <sys/types.h>- z: a5 u% r4 x$ c
- #include <sys/stat.h>" o* _' G" [0 D: F/ H! y
- #include <sys/ioctl.h>
* ~4 N+ I& y. ]& C8 S - #include <stdio.h>
7 e0 p- _) d/ j [$ e - #include <string.h>1 u* H( K7 ?, j3 M
3 C0 k" N% w m% U; p; Y- typedef struct {% k4 n1 @' p. W6 ~' s
- unsigned int e2prom_cmd_sub_addr;' x7 z& F# q+ K( l5 ?5 H
- unsigned int sub_addr_count;
' j# h+ r# J+ X# P - unsigned char* e2prom_cmd_data;3 v( _+ ^6 S* N8 R
- unsigned int data_count;; F5 U9 V% g3 r4 _0 I. l L7 S8 I
- } e2prom_s_cmd;4 K0 W- y: u+ @4 d6 a1 `. L
( i8 x! Z. @+ O) c) n- #define E2PROM_CMD_READ 1, K! L4 [9 v8 \9 z3 y* q: p" j
- #define E2PROM_CMD_WRITE 2) ^, [/ b! ~- q' ^- Z: B% _7 f% s
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"8 S% w2 Y/ f3 A" S
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- static int readparam(unsigned char *mac, unsigned char *stbid)) ]( a% d# }2 m% Z" w
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- int fd, ret;+ ?0 u8 y+ {% _4 e, g
- e2prom_s_cmd arg;0 A' a) D' q5 t
- unsigned char buf[0x18];; E$ w2 t0 ?6 `$ g" R0 ]: J
~( Z, L+ I, ?- fd = open(E2PROM_DEVICE, O_RDWR);9 k' ]6 O1 g2 c: s- F' Y3 u1 C
- if (fd < 0) {
( ]9 h4 `* Y* V% ~& ]% h - printf("Device %s open error.\n", E2PROM_DEVICE);
! o5 B3 i' N* c \9 f - return -1;
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- arg.sub_addr_count = 2;
9 ~& Y" a2 d" ?- o - arg.data_count = 0x18;/ n/ H8 U' J; Z$ K6 S2 Q- E7 }2 R
- arg.e2prom_cmd_sub_addr = 0x290;% b: x2 s/ V0 S$ |# Z" f1 Z
- arg.e2prom_cmd_data = buf;, e3 u U! y$ s
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
2 T7 U6 @# J o - if (ret != 0) {
P" h8 G* E' D( _1 Q$ V# R - printf("Device %s read error.\n", E2PROM_DEVICE);+ I3 L# Y5 c' @3 Z6 t; X
- return -1;1 c5 g+ e3 W4 Q0 h+ v- I6 y
- }
* J- v) X2 X, @) L6 i! E - memcpy(mac, buf, 6);
6 n1 N: x1 A. [. F' s' K0 G5 r - memcpy(stbid, &buf[6], 18);) ~. Z: }2 T; i' x0 F, u# {
- stbid[18] = '\0';5 q/ _& ?7 v( t9 D* \- M! K
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- return 0;( C' y) n0 \& v8 {. R
- }, \7 a6 i3 A9 b. e+ U
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;2 q+ y/ p- w3 [* B$ s4 x
- e2prom_s_cmd arg;
' k' f7 N$ r3 b - unsigned char buf[0x18];: h/ g( l7 }% y% y
2 U# _' Y$ ~. r- memcpy(buf, mac, 6);
# D ]& [ t+ N& { - memcpy(&buf[6], stbid, 18);
2 `$ v7 r& b+ ^. d; }( S, _9 o2 B+ [- q5 _ - fd = open(E2PROM_DEVICE, O_RDWR);
6 t- R* Y( M8 M5 @8 b+ P! `+ G4 K - if (fd < 0) {9 d& C5 j$ @8 U* D
- printf("Device %s open error.\n", E2PROM_DEVICE);
6 [# j9 U9 i( |5 B0 } - return -1;
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- arg.sub_addr_count = 2;8 [7 C2 S. W1 W' t9 x7 k
- arg.data_count = 0x18;$ U* ]7 t$ f9 {/ T$ a8 `
- arg.e2prom_cmd_sub_addr = 0x290;5 ?7 W4 G+ B! n) {& i
- arg.e2prom_cmd_data = buf;) l# [4 J2 E! ?. P
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
! K& ^7 ^+ b# {% x- ]& _" S - if (ret != 0) {/ z8 {) o) M4 `- s: A% N# k/ U
- printf("Device %s write error.\n", E2PROM_DEVICE);
! a5 y* c0 O7 j5 M+ K0 E" n: } - return -1;! a9 s* U. D# v# o$ L
- }
- X) H, ]/ B, [2 Q$ O7 ~* S c
$ M7 t4 v" w6 w- }( N* C j- return 0;: k& k4 z, f1 H
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- int main()
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- char c;
) a- j1 H: X7 m7 e# G! F - int i, macs[6];
$ |6 }8 X1 H2 j' e+ } s! ]! r; y - unsigned char mac[6];
) @$ q4 b3 C/ |8 w6 i" v( U - unsigned char stbid[256];: R1 i' D) t/ k/ p `3 D+ g/ b H
- , @; b6 d' h- D
- if (readparam(mac, stbid) < 0)- ~0 d: ^( h: f
- return 1;
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- printf("Current parameters: \n");
- k. ^$ A: m$ i* Z5 x' u9 k9 y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 j; D/ y8 `+ r8 |" x# @# ^; } - printf(" STBID: %s\n", stbid);( t& M& \, u/ @8 s, [3 n
-
2 w3 @9 O0 j8 y. g& o g& D% e: c ~ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");( y) I- F( L+ B# P$ U
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {* q% _8 v* A$ }2 C+ b
- printf("Input MAC error\n");0 t! @7 d; u2 _4 N9 Q5 K
- return 1;
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& q/ t9 o8 t, K' S - for (i=0; i<6; i++)mac[i] = macs[i];
* R! {7 ]' f/ Q* V! S - printf("\nPlease input new STBID: ");
6 S, }# x5 l" H - scanf("%s", stbid);$ g* E6 B7 O$ C% @
- if (strlen(stbid) != 18) {! \6 A- H' @! f2 Y( `6 D
- printf("Invalid stbid\n");, y8 v$ {4 _; V/ q) S0 @/ C
- return 1;5 Q2 a5 c1 u! ^6 B% h) Y! |
- }
6 T3 m F. w, M M$ a" i0 @ - printf("\nNew parameters: \n");
6 V" K! E. g" m - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 ?8 ^+ Q: }1 j' V! b( b& I% i+ g# m6 ~) j
- printf(" STBID: %s\n", stbid);9 _; Y; Q0 i2 _ m5 y& w& L
- 1 }: J, ]% n/ ~2 ~7 R2 [; Z+ E0 v
- printf("\nDo you want to change paramemters? (y/N) ");/ X) t$ [* X/ N5 G# d4 e- a
- for (;;) {# H/ q9 m% M( X, F8 a) Y
- c = getchar();' ^; `' T+ \0 D& I8 o( }, p% |
- if (c == 'y' || c == 'Y')8 {$ L; n: E" s1 l# Z
- break;4 X3 U# i; z- w) J4 w
- if (c == 'n' || c == 'N') {
% C3 h: L+ O5 B0 h5 b- _, [& D - printf("\nAborted.\n");5 [' s+ L* N) n: y
- return 1;: }/ Z2 C. r' a) z" X. m6 J5 a( D
- }. F3 I" o5 m; g, M7 ~) y
- }) {! V6 w+ m. |5 Z. N% j
- if (writeparam(mac, stbid) == 0)
: P! ?' t1 ^ w! y - printf("Parameters changed.\n");' A/ g4 E( B* B2 x, {
" r: L' Y& Y: a+ v- return 0;* L1 t; r3 A. z: r5 [' R
- }
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