本帖最后由 0522 于 2012-3-21 23:04 编辑 3 l' C( p' v" \" i) r: g. A- }% x
6 \: w4 w+ X' U( z$ m修改的代码早有了。到今天不会编译。" C; F3 `/ n5 D# w
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>& k. ^' q; C& H' y, x x) b
- #include <malloc.h>
2 H7 z2 x0 u4 [' L - #include <sys/types.h>
) i2 M: C5 Q; v) v# A& r& ] - #include <sys/stat.h>4 {+ ^* f* E( U7 y7 l6 r* M3 q
- #include <sys/ioctl.h>
9 E, |; g. d0 ]. I - #include <stdio.h>
5 x' m8 ~# x: c) u, } - #include <string.h>
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- typedef struct {
5 l2 `- Z2 T( g7 c" E; @) G - unsigned int e2prom_cmd_sub_addr;
- C. c4 {! ?1 Q! p4 p a - unsigned int sub_addr_count;
5 ]! _& B9 n: g% H7 s - unsigned char* e2prom_cmd_data;6 I1 X: ~9 q" i* t5 e% [8 l- o
- unsigned int data_count;; v' ?/ a9 l' Z! [- r9 g, E& ~0 V
- } e2prom_s_cmd;
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, ~, y/ k5 T0 ]- #define E2PROM_CMD_READ 1
) p7 _- t# U" G6 Y, {5 K$ E; O - #define E2PROM_CMD_WRITE 2
5 D) [! }" J# b7 Q. y - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 n' W+ u' w! S' `( c
1 Q D( L- }& H' [5 e4 R" N. K1 B+ I- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
3 D1 P* b ^6 m) Z( F- B1 R - e2prom_s_cmd arg;# Y; W: x9 G8 _3 t! O( `6 X: A7 D
- unsigned char buf[0x18];; Q* ^8 P; f8 t) ^( G6 g
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- fd = open(E2PROM_DEVICE, O_RDWR);
6 u6 a- r# e V& t2 _, p - if (fd < 0) {, q/ V/ w) [) p4 k2 C& Q" B6 N, U9 p
- printf("Device %s open error.\n", E2PROM_DEVICE);! ]8 n4 |3 d/ s r" c
- return -1;/ l) @1 ~2 l$ @9 [
- }1 `" e: N6 m) L; m+ J1 e4 \
- arg.sub_addr_count = 2;
6 C+ L1 d, W. c0 x" n8 L4 i4 d - arg.data_count = 0x18;
; x; C! |( M! ~! ^ - arg.e2prom_cmd_sub_addr = 0x290;; S& K2 x. Z$ X- S' w6 x6 ~
- arg.e2prom_cmd_data = buf;
& P) p2 ?7 A, J* I - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
1 H6 y, S' s7 ^ ] - if (ret != 0) {
g/ n4 q! r" v J: y9 a - printf("Device %s read error.\n", E2PROM_DEVICE);
& c* i* @% H/ D* G q2 X( ~) T8 D - return -1;
; ]5 Y! i# T7 V7 B/ `5 o - }
; y- i- w+ F5 M* ^' ~9 w- C - memcpy(mac, buf, 6);
5 ]' J! i/ |* T9 e6 r - memcpy(stbid, &buf[6], 18);
}- k/ b( q! k; W5 b! U - stbid[18] = '\0';- \ a+ L% ^! x$ R+ ]& i/ N
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- return 0;, Q$ Z' T0 T6 ~) b
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
5 J5 x9 c( E: W2 Y" V& V - e2prom_s_cmd arg;+ _, r4 r+ {- [2 N; L# V/ Z
- unsigned char buf[0x18];' a2 J7 O0 x) u
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- memcpy(buf, mac, 6);9 x0 y* Q; o- o0 ?8 t+ b2 P0 i
- memcpy(&buf[6], stbid, 18);% q- a* G! [0 O2 ^; o3 Q3 p
- fd = open(E2PROM_DEVICE, O_RDWR);
0 f8 X% G7 T3 Z5 L- [! i: I( f/ f0 G - if (fd < 0) {7 Q8 ^% t( {2 [3 q) D0 r) [! n0 c- P. R
- printf("Device %s open error.\n", E2PROM_DEVICE);0 d- s8 Y1 l3 P+ F
- return -1;
4 z. ^+ M# C0 q n2 P: j7 A - }
S2 d' I `5 W8 c7 q - arg.sub_addr_count = 2;
* J6 @% b8 l* S# r6 _. A - arg.data_count = 0x18;
9 d8 V* s4 ~2 C& }7 s" Q - arg.e2prom_cmd_sub_addr = 0x290;
" Y7 w: |! O$ [, O - arg.e2prom_cmd_data = buf;
# ]' i( l: \. { - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, B, b, g! |; n; @) V) V) Y - if (ret != 0) {
8 l y+ v7 h0 i" t' |$ B - printf("Device %s write error.\n", E2PROM_DEVICE);
/ U4 d; f2 X( @ - return -1;* [9 d. I; n c8 O0 o! n
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- return 0;8 B# C7 k$ C l; W9 W) i
- }
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- int main()- y/ `3 h0 L6 \# ]
- {. p4 U# M+ D& X7 [8 i0 Y9 @, f+ ?
- char c;
; I9 ]- E! q* i: H - int i, macs[6];
2 g) G8 q& F7 r [7 @: N7 D. w% ~ - unsigned char mac[6];
, z N- Q! y b9 a - unsigned char stbid[256];" F: {! g1 B+ f/ N' G# X
' A8 u9 n1 L3 t( d: V" Y- if (readparam(mac, stbid) < 0)
, v9 b0 k7 o- m6 X' R$ a - return 1;, V3 w( {; E, t# x9 `$ f6 ^
- # ~9 \) R1 G8 D! H
- printf("Current parameters: \n");$ E' L r X. C4 p' ~' Q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# n) r0 s& L( g3 h" n6 o - printf(" STBID: %s\n", stbid);' X8 O) u8 _) f5 R; A
-
, j2 m& e# J1 |/ A9 q/ Q# @, Y$ b" U - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ w& y" @, e0 Y- P! E
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {5 {, _; W/ L! X6 N
- printf("Input MAC error\n");
$ {+ A7 J% A+ l2 q* J: x3 E! A/ k - return 1;/ a# P) P, z: q3 o: V
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- for (i=0; i<6; i++)mac[i] = macs[i];
- T- `) p4 s9 x% Y6 \; M4 N - printf("\nPlease input new STBID: ");. W! x/ }5 v2 X2 I' |( B# S
- scanf("%s", stbid);5 ]% {1 Q. U( ~( Z+ z9 o( q* M
- if (strlen(stbid) != 18) {6 j9 P& N- |/ k2 I
- printf("Invalid stbid\n");* h9 B* o. Y6 W: D( K1 d
- return 1;
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- printf("\nNew parameters: \n");! Q0 n& u! K, z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- x4 i8 X7 x( n+ F7 ^. b6 K
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");0 [. A8 j, B0 z! C: v; Z6 C
- for (;;) {
/ M: B, a+ V( x1 E) F - c = getchar();* r( j3 `; W9 m- J7 r+ a4 v: ]3 b
- if (c == 'y' || c == 'Y')3 k, O% z. |2 ]0 j( I
- break;+ Q' b4 G& r+ m# V# E3 ~
- if (c == 'n' || c == 'N') {% ]4 H* z! }! E& D2 @9 C8 F/ z
- printf("\nAborted.\n");
, o& V1 n1 u" p/ P! X - return 1;
6 l7 b- Q7 v l* I/ p - }
0 X* B7 \. g! a; r - }
: x: n( B) b+ ^2 V - if (writeparam(mac, stbid) == 0)
, x+ W& Z3 F7 H, i% A' c - printf("Parameters changed.\n");
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5 B* B6 x- n5 k. J6 C# T7 u- return 0;. Z0 h7 P3 C& ?; \
- }
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