本帖最后由 0522 于 2012-3-21 23:04 编辑 " E& E0 c$ Z9 S$ [
+ V7 L. @0 @3 I& u修改的代码早有了。到今天不会编译。
0 Q# G$ O/ c: }9 z. z, z7 u, Z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>1 k# o' I/ |( H. ]- T+ K+ o
- #include <malloc.h>
1 o/ o$ w3 r# L - #include <sys/types.h> N. _) y" N% `8 y: x2 i$ q2 \- C9 w
- #include <sys/stat.h>
- P' L1 r* f- _& W) b - #include <sys/ioctl.h>
( L9 {6 o- ~+ M, w. D, X2 o) }1 } - #include <stdio.h>" Z j7 o. M$ I8 U- I) q" R U0 l
- #include <string.h>
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$ u7 Z. g6 T' h" g( s- typedef struct {8 [* c9 q8 }3 M5 F/ f3 H
- unsigned int e2prom_cmd_sub_addr;
6 l2 D! H E* q) p - unsigned int sub_addr_count;
, B I! k% K7 R3 P - unsigned char* e2prom_cmd_data;' i( D5 [) |+ h6 I6 q9 U# U
- unsigned int data_count;
4 K/ V& N2 E! W9 r2 i - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 19 x1 B4 ]+ t1 Q8 s* E+ W3 ?6 V
- #define E2PROM_CMD_WRITE 2+ w7 ~, a# A, r) u* d1 C8 T8 G; k
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
- N$ |4 P$ L) K3 z/ A) ?
- u" X+ i0 N& H+ K; |1 ~4 l l- static int readparam(unsigned char *mac, unsigned char *stbid)
o/ d0 x- w5 W1 ?5 v# w - {
' f4 G) ^; t H3 n- q - int fd, ret;/ u( Q# b4 g0 i4 B- w$ a
- e2prom_s_cmd arg;+ t; c1 W& s/ b! A
- unsigned char buf[0x18];
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5 o8 f7 s- ^2 y, P }8 }- fd = open(E2PROM_DEVICE, O_RDWR);
. t' Y( p5 |# C - if (fd < 0) {
1 I7 _) f6 O7 {) q- \& f: _- m5 q - printf("Device %s open error.\n", E2PROM_DEVICE);
8 m% f: y( E- O U8 ^2 a% b: v0 h - return -1;
7 J1 g- O- y7 s, q$ E% \1 [4 o - }: `& c) w( e. W: v, K. v/ ]
- arg.sub_addr_count = 2;
2 v) B: U! @1 |# Y3 \8 R- Y9 B0 { - arg.data_count = 0x18;& D8 C1 `7 ^0 u- G" @# N2 I
- arg.e2prom_cmd_sub_addr = 0x290;' r0 q1 u7 f6 }# Z4 o/ q
- arg.e2prom_cmd_data = buf;
" J0 d% b1 f } - ret = ioctl(fd, E2PROM_CMD_READ, &arg);% B) c- U, ^9 _5 U
- if (ret != 0) {
3 m+ B- ]8 T2 q& F, W) G9 ^ - printf("Device %s read error.\n", E2PROM_DEVICE);
9 n! K+ L6 p( Q+ j/ r' H - return -1;5 R& Y. r& L/ C: ~4 t5 i& D0 W" E
- }, `6 e8 p6 O5 ~! r9 E( J E' ^
- memcpy(mac, buf, 6);4 B$ s! f, E. {
- memcpy(stbid, &buf[6], 18);' E$ p" T) S ?8 ?! G
- stbid[18] = '\0';
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- return 0;
6 _5 [7 @, W- z. \9 r. u - }
6 L9 T9 ]) A* V - + N* y' Y5 r- [; I/ x
- static int writeparam(unsigned char *mac, unsigned char *stbid)7 @. {8 E- o+ U$ |
- {
O8 X$ H2 k0 X: {2 M- B - int fd, ret;) Y: Z- e- c/ G2 V4 N2 e- {$ u
- e2prom_s_cmd arg;$ x5 U7 ~( Y; ?) A( s) R
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
' S/ { W0 o1 Y5 ]( i) M- n - memcpy(&buf[6], stbid, 18);
, R4 P) P, i( \: T) S( X8 R% R, x - fd = open(E2PROM_DEVICE, O_RDWR);
: U: q! E& T) p/ ]' g( J - if (fd < 0) {
7 R9 j* o& W5 M5 J4 N5 P - printf("Device %s open error.\n", E2PROM_DEVICE);
% ]+ f- R2 g3 { - return -1;( D8 Q/ J, z! p* ?; X% p
- }; J0 J) f7 H) y) G8 Q M
- arg.sub_addr_count = 2;2 A( l; |' V6 I: [, s8 f, V( c# m
- arg.data_count = 0x18;$ ?0 P2 W9 P" v- p2 l
- arg.e2prom_cmd_sub_addr = 0x290;
( Z5 }0 `0 a# `9 G1 p# |9 V - arg.e2prom_cmd_data = buf;# T& K( r# l4 \5 }4 T
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);: F& f/ m# i0 S9 c' j. d; g
- if (ret != 0) {- Q8 O) C+ Q! r" O! D
- printf("Device %s write error.\n", E2PROM_DEVICE);* I) g. V2 N5 x$ D: H/ d `% H
- return -1;: u5 F2 _! o; D* q
- }
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. C) j7 m* {; c: j* ^- return 0;
: ~! ]8 \, N2 U7 ^& r - }
7 G/ b& ~7 o$ G
& h/ F& R, A; D, M# Q8 K- int main()
+ R% K) u5 \ ~- j; ]5 w6 `# v - {
3 }' p7 [) ~0 x8 B/ w5 k$ ~0 v - char c;
" E& F% d6 }$ |$ t - int i, macs[6];
2 [+ k/ h+ w8 p- `6 `6 r - unsigned char mac[6];1 z' M7 p6 v# v4 G
- unsigned char stbid[256];
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" _' L; u5 S/ F# v3 g3 W4 d$ k/ ^- if (readparam(mac, stbid) < 0)
+ V9 Y% J8 b0 T2 p - return 1;7 A. C1 _) k" D* ]+ k$ V
8 U/ l3 X Q! L+ ~, D2 w4 }8 T7 O- printf("Current parameters: \n");& T( H' s, _0 V
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 Q9 \6 e5 y* b) p+ j* h
- printf(" STBID: %s\n", stbid);
1 p% ~5 M# m+ v0 D -
) } b/ Z9 V, Y. z( @ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
6 g0 W4 P8 {. M' \: p1 _% e - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 ~, r+ _0 ~ b( T( W - printf("Input MAC error\n");) G: i9 ?# c9 e$ o. n
- return 1;
& F" Y3 t, F; ` - }
& O b: E/ V/ q# t/ g& V1 I - for (i=0; i<6; i++)mac[i] = macs[i];
( l$ Q/ T9 R, j/ w* k0 _) \# W8 U$ H - printf("\nPlease input new STBID: ");
. R( ~/ e" q& y( _- b - scanf("%s", stbid);- B& G) Y% F3 Q% d w- j+ E- B! B9 y% |# G
- if (strlen(stbid) != 18) {
+ J6 i! J" U2 z" C4 ^ k - printf("Invalid stbid\n");% S+ Y% _; h4 r2 Q# ~
- return 1;6 P8 R7 h2 f3 x# D$ V6 @
- }) o2 W8 t2 C% |
- printf("\nNew parameters: \n");: M3 G- I l5 v$ m- D" l
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) @( ^$ y0 n/ D# e - printf(" STBID: %s\n", stbid);
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% f: ]) y+ h, Y" F# S; h5 o- printf("\nDo you want to change paramemters? (y/N) ");& l( [) V+ u( A# y9 n5 x
- for (;;) {
/ Y, N Y/ T0 D( i1 b - c = getchar();4 b1 ^8 @! i% b* ^$ W) z
- if (c == 'y' || c == 'Y')
. g- ^0 o. y4 E# a6 X8 Q$ }- W% b8 l - break;
8 x' B P$ M3 k! v - if (c == 'n' || c == 'N') {
) Q: }6 t( b# u% q3 w) a- q - printf("\nAborted.\n");
/ u, ?3 }0 U6 Z; y, z `; {5 o. I" D - return 1;
3 O$ N7 e7 V F% } - }
1 {( J8 p. l- X) Y$ f% c4 J - }
& ]! Z. c8 `5 B- {2 N' y - if (writeparam(mac, stbid) == 0) % Y0 Y/ w% q7 B4 }
- printf("Parameters changed.\n");$ S2 J& n# j2 v9 B. h1 H1 T4 m
! K. s) P1 ^8 N) X) \4 i- return 0;3 e; J! P9 J+ l6 I$ i% T M9 g, n
- }
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