本帖最后由 0522 于 2012-3-21 23:04 编辑 . v2 B5 {* X- o5 s" L: _
+ X: P7 A8 Y3 R& E5 p! [, N+ G修改的代码早有了。到今天不会编译。+ g6 v' x8 K6 l0 d
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
: p! `: z7 D" O! H: q - #include <malloc.h>/ h) _6 `* X$ }( T) b4 \2 S
- #include <sys/types.h>& ]( y& N, T0 @1 b$ t* Q. w; r
- #include <sys/stat.h>3 {8 q1 v. U/ Y! W2 F7 c/ q
- #include <sys/ioctl.h>
& P8 C+ ^( J5 l0 x Q% n - #include <stdio.h>
6 S) u9 h3 f9 w2 M; } - #include <string.h>
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- typedef struct {3 r/ O5 S9 U" j0 j/ f2 H
- unsigned int e2prom_cmd_sub_addr;0 P5 ]* f) _0 T$ z% M. Z
- unsigned int sub_addr_count;/ j6 K! j( h. A. Y
- unsigned char* e2prom_cmd_data;: [; P6 G- O; g" K+ N. O% O' u- p
- unsigned int data_count;, C, `7 m6 k& Z& r' s/ o
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
( l7 `- B$ f: @- \ - #define E2PROM_CMD_WRITE 2# n, f8 H. T+ z+ d
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"5 T9 L# ~/ j) j% N
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- static int readparam(unsigned char *mac, unsigned char *stbid)6 y" q0 x) U$ h- P r# @
- {
, M& r6 P8 v/ V% h3 z* O! i - int fd, ret;
5 p1 E! V* b! `- g7 j7 l2 X - e2prom_s_cmd arg;% F% s. e @! n/ H( Z2 b/ Z7 |
- unsigned char buf[0x18];, ^: i0 s/ t4 o0 k# X% d+ `
- # p% K" \$ e1 e/ q% P, J3 G
- fd = open(E2PROM_DEVICE, O_RDWR);
% l( f$ g" c( ?7 b - if (fd < 0) {
F; }8 A4 b) X# s7 S# n - printf("Device %s open error.\n", E2PROM_DEVICE);$ y& y' d% c3 f$ S: \3 v
- return -1;
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- arg.sub_addr_count = 2; E" W3 o4 J2 P: q& k4 ^3 T
- arg.data_count = 0x18;
9 m: o5 q6 u5 X( k3 ]* o7 K' W - arg.e2prom_cmd_sub_addr = 0x290;; L" K. w: E2 g* b* T2 L w# u
- arg.e2prom_cmd_data = buf;
- @* G- \: q# ~" b - ret = ioctl(fd, E2PROM_CMD_READ, &arg);- J& u3 p( w& B' w/ o3 \
- if (ret != 0) {& \0 i S r2 h1 d+ N
- printf("Device %s read error.\n", E2PROM_DEVICE);( ^! c' P" } B1 Z5 q P- k! X3 {
- return -1;
) K* |9 k0 t- w N) H - }
* Y) C' ]. P8 H& f - memcpy(mac, buf, 6);/ W0 v1 j8 ?9 C% E* o
- memcpy(stbid, &buf[6], 18);7 _3 E$ H% O7 y* M1 f, `* V% S3 t
- stbid[18] = '\0';
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+ G) b6 y b0 ]' a! O5 C# Q- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
( l1 P. |9 ]/ W+ l, X# o# P - {
5 b3 o: F8 B/ X9 _& N( g - int fd, ret;( R. z: \, Q4 B$ Z% m, v
- e2prom_s_cmd arg;6 a0 X9 S* b% H( B/ x: ?' c* r, ?! p
- unsigned char buf[0x18];
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c2 [; ?! \6 Y- memcpy(buf, mac, 6);
& u6 T+ c7 r3 [ - memcpy(&buf[6], stbid, 18);
& h; [/ E: u# P0 c; c - fd = open(E2PROM_DEVICE, O_RDWR);! y4 y7 p1 o0 G! I0 b
- if (fd < 0) {
7 V0 T: c) v! o# M - printf("Device %s open error.\n", E2PROM_DEVICE);& v" |1 U! W! w( R
- return -1;
5 x4 v8 D0 v0 y3 O3 e - }
/ j, |; H V6 t: ]/ F - arg.sub_addr_count = 2;
! l. X* {. Z) x& X+ m x. | - arg.data_count = 0x18;
7 c9 x4 ]) ?! Y7 ^ - arg.e2prom_cmd_sub_addr = 0x290;
# d" K3 \# x' E4 E' `/ L! [" E3 { - arg.e2prom_cmd_data = buf;! D- R! u. O/ f1 k5 \
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);& X3 z5 T9 C1 Z$ u
- if (ret != 0) {: L# a0 J5 P' y. L$ H7 q, L
- printf("Device %s write error.\n", E2PROM_DEVICE);- q( ]3 x& V) h% z' X2 n$ `
- return -1;1 u* ~9 \8 i& R
- }1 s9 u g( J. ^$ e: H; X
8 u& t0 k3 h( \6 X% @0 }& I- return 0;
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- 1 |) ` j( E- a! [! S
- int main()
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- char c;- P" O" q. W) ]+ {: @- h3 b( q% p
- int i, macs[6];
8 J+ |; r1 a4 g' L - unsigned char mac[6];$ j% ?0 \$ w( {
- unsigned char stbid[256];3 ?) K, r2 a. _+ w- |1 y9 Q9 ?
0 d+ {& j1 U# l1 x2 v, L9 d- if (readparam(mac, stbid) < 0)
7 I) I2 J% S; x- a n- L- O& o - return 1;
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. E* m/ {$ {' N1 n3 q! B* I- printf("Current parameters: \n");
; M& ?# q, {+ o+ Y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' m6 |6 r6 E. q* ^2 I0 j2 U - printf(" STBID: %s\n", stbid);
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4 i4 m) o$ [8 J9 Z - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
$ _$ C) w! ~. P5 A - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
8 S7 g5 _9 l7 X2 u/ \+ ~, c1 o - printf("Input MAC error\n");2 { B2 v" y1 S% ]* X9 B
- return 1;4 a1 _6 f) _/ s; G. O6 L
- }) k$ e8 e- I& T- T$ c
- for (i=0; i<6; i++)mac[i] = macs[i];
( ?9 i$ F9 X% f. D - printf("\nPlease input new STBID: "); ]3 o0 z8 t% D
- scanf("%s", stbid);
8 o! p& w; y" [" a' c# y - if (strlen(stbid) != 18) {% J) v. B0 K1 _+ s4 [7 G+ u( A+ o
- printf("Invalid stbid\n");
& n9 ?5 K d5 d! i# G8 ^5 e - return 1;
4 }/ |# E+ j! B+ {! ^8 O# u - }
8 R9 p1 m& A2 }) d, j, o - printf("\nNew parameters: \n");+ }# z+ m/ J" @" p: @
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ |# c* z: {7 f W+ I/ B; I8 g - printf(" STBID: %s\n", stbid);% {% L( Z+ _" i, \0 T* f5 ]+ Y: @; K
' ~$ c6 Y8 W# ]7 n: F- printf("\nDo you want to change paramemters? (y/N) ");( F1 O6 o& v7 D# h# ?
- for (;;) {, K2 J4 f" ^* Y/ i4 { A$ `% S
- c = getchar();: S- V4 G/ e/ k% j- b
- if (c == 'y' || c == 'Y')
* |+ I0 q- O9 E% e( U" v5 Z - break;
G% V% K; Y3 @2 @& s - if (c == 'n' || c == 'N') {
1 t) `1 Q8 T" d" E' f' b$ N - printf("\nAborted.\n");1 h6 s# e" g, g, o1 X% @
- return 1;% h0 g4 B# Z9 Z
- }
7 N* T6 B5 k# M( Z2 {% y z - }
; j' P) G* h4 P6 M - if (writeparam(mac, stbid) == 0) 6 B- [$ Y0 G% { ]7 |4 c5 @0 h
- printf("Parameters changed.\n");' T7 h" v7 J9 p- x* T9 y" L8 Q/ i
- 4 y4 }$ k7 W/ w- a! N4 e) o; z1 j7 o
- return 0;
& x B7 h7 s) ]& A7 Q" U - }
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