本帖最后由 0522 于 2012-3-21 23:04 编辑 ) R* v( j) H& F7 C: e* D
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修改的代码早有了。到今天不会编译。
) A- \1 N* f3 O3 y) Z( E; Q需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>/ K+ [3 W1 E+ ^8 ^7 C
- #include <malloc.h>
8 F1 A' C/ Z9 f: j( v/ _5 V - #include <sys/types.h>
2 r1 g0 z3 D4 e3 ~- T; L, d - #include <sys/stat.h>' P; I, O# x C) B
- #include <sys/ioctl.h># R: O: F' I) X. w) m" q
- #include <stdio.h>* k6 s" i. c. D) T- \
- #include <string.h>
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- typedef struct {
7 f( n) S" u' j5 A& P/ i - unsigned int e2prom_cmd_sub_addr;- a- g5 C+ F2 g9 E; j H
- unsigned int sub_addr_count;2 K6 l: o! O7 b/ e8 ]1 O
- unsigned char* e2prom_cmd_data;
) @) G6 g) y) V4 K7 ]4 R - unsigned int data_count;% t4 W: y$ \6 ?) t( P3 n' J$ S% C
- } e2prom_s_cmd;
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% j! g& {5 _3 R9 ?& b- #define E2PROM_CMD_READ 1& T. r$ E9 x1 C
- #define E2PROM_CMD_WRITE 2
! c( }# N, M. m* o4 f+ ^5 V - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 e: O4 z- ~# I( y' c" o
( R' D. R' G+ Z! l6 i' I1 s- static int readparam(unsigned char *mac, unsigned char *stbid)/ E2 J+ x1 B% D4 }) q
- {
7 v! M1 f! r1 n8 o2 ~ - int fd, ret;$ u0 |! f6 r% `% [8 z* i) {
- e2prom_s_cmd arg;( x4 s* e& B4 Z$ _5 C7 H
- unsigned char buf[0x18];. P3 a) R: R2 b! J8 A% d1 `
' D* V8 M, g3 ?1 u2 }% T. \. C8 {- fd = open(E2PROM_DEVICE, O_RDWR);
2 R& M" M+ E/ W' N - if (fd < 0) {0 k5 ?( U! K g% K# L
- printf("Device %s open error.\n", E2PROM_DEVICE);5 q1 i' {3 n% n8 e2 r' B8 U
- return -1;
6 n. Q! `0 N' h9 i6 }# ] - }
) C5 i3 u) V: n6 n8 h - arg.sub_addr_count = 2;
3 h Y* D5 X* U - arg.data_count = 0x18;
, `% c8 V4 v+ @ I0 C8 ? - arg.e2prom_cmd_sub_addr = 0x290;& E" V% \( d( n1 @5 G; }
- arg.e2prom_cmd_data = buf;+ H& l; @: c' k: Y2 s+ C; i( L
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);+ s( }2 ~9 h8 J0 V4 ^
- if (ret != 0) {3 j; r& B s! q$ J" E
- printf("Device %s read error.\n", E2PROM_DEVICE);' j0 M. ^2 q4 ?3 w$ L% _: v
- return -1;# ]# o( S% k4 l
- }
" r" P/ o/ _. F; X - memcpy(mac, buf, 6);( R8 ~/ s5 j3 w
- memcpy(stbid, &buf[6], 18);
- ?4 A: Y2 r* @/ q: v - stbid[18] = '\0';
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8 b# j g6 p- Q/ ~. w3 }- return 0;
4 p4 d) [& b1 \8 v$ l - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)4 C- n% o- |% f+ A# Z" B
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- int fd, ret;+ }* a( p/ l) m2 q! @' `! m* j/ x5 p
- e2prom_s_cmd arg;9 X% U) |) ^! S% _9 B* j/ i3 e) X
- unsigned char buf[0x18];
* F8 I' b& M6 X p1 I* F: o6 W - 1 ]# t0 E. q* B; S! D, r
- memcpy(buf, mac, 6);
- X$ j6 I2 u, y: C' K# E! j- s1 } - memcpy(&buf[6], stbid, 18); G0 ^! G9 d- D- h$ c' z& C
- fd = open(E2PROM_DEVICE, O_RDWR);
8 p: x- w/ ?. b* _& j - if (fd < 0) {
8 l2 b- ]+ l n5 p8 a l( l- i - printf("Device %s open error.\n", E2PROM_DEVICE);, N& _& M+ ?( y8 Q& n& q0 X2 S
- return -1;
# r. s2 U/ J, \* {7 K! r - }
1 `; h# I2 K" g: n6 u5 J - arg.sub_addr_count = 2;1 H$ \) x$ L2 a: \# Q
- arg.data_count = 0x18;
! E7 u: q5 g8 l. x" J' P - arg.e2prom_cmd_sub_addr = 0x290;
: |) v1 _* g. X6 ` - arg.e2prom_cmd_data = buf;) e& o. E( s! m: \2 b# L5 ^
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
& G1 U. ]6 z# ]" ^ - if (ret != 0) {2 L v8 [. ]1 m7 V; b+ P
- printf("Device %s write error.\n", E2PROM_DEVICE);
% q3 o: q2 R$ U8 \+ d" N - return -1;
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0 [% ~) W2 L7 @: J' W& s% i- return 0;
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- int main()9 U' c& q0 i8 W! ^3 ]- @
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- char c;% Y+ C2 [# o: l3 J( q% h3 O9 Y
- int i, macs[6];
$ P, U7 ^7 [5 ^" w. r9 v; n3 I - unsigned char mac[6];: `( _$ D. J* q3 y- x
- unsigned char stbid[256];
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3 N+ z2 g8 {* m( g" k ^, |- if (readparam(mac, stbid) < 0). R5 ` t; m; i
- return 1;
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- printf("Current parameters: \n");
% b3 d) l; k$ \: U8 F6 j - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& U9 l5 Y* s {
- printf(" STBID: %s\n", stbid);$ O5 y! o; z s" G0 c5 `1 u
-
. u. \- v9 |' c: X - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");0 D- x" c0 d: U
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
- G% @5 R# e& | - printf("Input MAC error\n");
5 p# q' c5 O* i, _7 q0 d0 C - return 1;0 ]% }6 B3 F9 K& S, K4 M# ~" y* P
- }
$ G# x) N+ H9 D4 `6 q - for (i=0; i<6; i++)mac[i] = macs[i];
( d ]. k7 \" S. C/ K - printf("\nPlease input new STBID: "); L0 \0 U d# u$ b, D S
- scanf("%s", stbid);
2 h. L S" J/ t - if (strlen(stbid) != 18) {% Z! \/ t3 `- i
- printf("Invalid stbid\n");7 Q% i! |9 A5 |& X H
- return 1;
) H6 Y( n, r# }0 i( I) e7 }. p4 {+ V1 c7 | - }
* C4 Q5 b. K$ I& [( E3 |' s - printf("\nNew parameters: \n");
' m( F% k! M5 K - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 d) }1 Z6 d" k - printf(" STBID: %s\n", stbid);; J( B9 f3 a4 n' f. h* l* ^
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- printf("\nDo you want to change paramemters? (y/N) ");! `! f0 k, X$ F( [
- for (;;) {3 d: x7 v! |7 d) c# u) Q$ ^
- c = getchar();/ @) `, \# ~& B, m1 W" U" [9 O
- if (c == 'y' || c == 'Y')0 w- Z7 f- M7 E& N
- break;) I7 c) [7 C" T6 }. T
- if (c == 'n' || c == 'N') {
# r$ ?. b& u- z, ] - printf("\nAborted.\n");
( l! C, V1 S6 b& Z# V# E$ j - return 1;
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- }
) ^ Q0 B. }: F7 H6 p( \& l6 }" }, x - if (writeparam(mac, stbid) == 0) % U0 I0 R" \2 y. X7 x
- printf("Parameters changed.\n");
2 m) s% T; U3 ?" ]
9 R, [" a. A3 K2 i) B, a M- f- return 0;' R/ _7 u5 N$ C& k$ v& ^( C% Z7 z
- }
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