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。
2 v8 O B/ @/ S需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>( V. v% S" E) H& h& Q/ ?
- #include <malloc.h>, s- q% C: U2 r X7 a& G8 d) a1 N: Y7 a
- #include <sys/types.h>$ F/ h5 v# P5 i$ x- a* N0 G# J
- #include <sys/stat.h>" T7 U( b+ q& ]* K7 I( @% L
- #include <sys/ioctl.h>
0 g& c3 I5 x! M3 ]3 h - #include <stdio.h>
% a. G8 q7 y( t; d; g* ~$ _' r% ` - #include <string.h>6 G. M& W, q! h
- 5 p5 [- R0 D% `9 E+ l2 S* M: C8 z/ N! s
- typedef struct {. O/ \7 S% o+ [# M" t0 {2 N; a
- unsigned int e2prom_cmd_sub_addr;6 P1 w4 [) c" M
- unsigned int sub_addr_count;
8 I3 F |+ Z. s& [. s - unsigned char* e2prom_cmd_data;
4 K' f2 x7 t# z8 D( F8 S" J - unsigned int data_count;
, n8 F# u' r+ F' n - } e2prom_s_cmd;4 d$ X: J2 u, L1 Q) @) d
- , a# u3 Q! Y3 y. [7 X6 r3 A
- #define E2PROM_CMD_READ 1
: M% X& }# t+ b) [! w8 s - #define E2PROM_CMD_WRITE 2
9 I( I1 W! m, T7 @, A. p - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"+ ^ O3 z0 V6 W6 v6 }
# p; k0 N. _- \' K' L7 F- static int readparam(unsigned char *mac, unsigned char *stbid)
8 {: ]9 r" S$ F9 F0 N2 r3 W' G - {
+ P) r1 t2 w' A6 S7 K0 P( B - int fd, ret; ~! @. H% u! }+ k6 P9 N; h% q
- e2prom_s_cmd arg;" H: H: B+ L& `" N
- unsigned char buf[0x18];
: d4 V) e( z. |
6 {; K0 d! |, ^. T! a' k- fd = open(E2PROM_DEVICE, O_RDWR);
+ _. }- h; q4 v2 V" i# ] - if (fd < 0) {
; s/ r9 C) f% e$ R$ Y1 c, E7 J - printf("Device %s open error.\n", E2PROM_DEVICE);
; f# N; j5 H& F1 y: N - return -1;
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- arg.sub_addr_count = 2;
* y# ?4 [) D2 x - arg.data_count = 0x18;) r: o* X) e& M
- arg.e2prom_cmd_sub_addr = 0x290;- G) C* K" z1 [' F2 _6 L, J
- arg.e2prom_cmd_data = buf;
: }3 O/ G2 A( h2 ~2 C - ret = ioctl(fd, E2PROM_CMD_READ, &arg);4 K( W' H b. s% _; n; Z/ p+ I- J
- if (ret != 0) {
1 z0 D: [4 c) @9 o* V - printf("Device %s read error.\n", E2PROM_DEVICE);2 O g* I3 _9 s; Y+ b- ~: w" q v
- return -1;
) [. z- o5 x, K1 X' j1 K5 M - }7 u1 [3 z, j" R3 W
- memcpy(mac, buf, 6);; S) h# s2 Z' b- F. V
- memcpy(stbid, &buf[6], 18);
3 C6 \' f# k- W$ W# m - stbid[18] = '\0';7 X; A4 h2 |# f
) e. ~2 W6 i4 v2 j- return 0;. J. t7 M4 F% O3 k/ E0 H
- }
8 E( _7 O1 y. K$ P. K8 I - 8 q! \% \. h- ~( G3 U, G) }
- static int writeparam(unsigned char *mac, unsigned char *stbid)) H/ ^2 ?- J ^9 E: }
- {
2 H3 W0 s' e5 V4 }. X - int fd, ret;0 a+ G2 F' a j1 `! o
- e2prom_s_cmd arg;, V' t' A! \5 Z b! P
- unsigned char buf[0x18];+ e8 t( {$ @0 n7 B$ f8 ?' U
" w9 Y; E3 J' ~/ b4 o8 L' L- memcpy(buf, mac, 6);5 o: @9 w/ u) E/ R6 e' p
- memcpy(&buf[6], stbid, 18);
( E9 |6 W/ r- h' o, f! ?, W( e3 ? - fd = open(E2PROM_DEVICE, O_RDWR);
7 A$ M: i, P/ N - if (fd < 0) {
$ ~3 T1 u) `) s - printf("Device %s open error.\n", E2PROM_DEVICE); a" ~- s- x6 @$ ?6 j+ k6 `3 @, A7 Y
- return -1;
8 n: y% g' a/ d2 d7 L" k @1 Z- e - }+ W4 v+ q* Z7 ^& a
- arg.sub_addr_count = 2;
) @* f g" ~1 e - arg.data_count = 0x18;+ q" B3 y8 I0 ]& r2 ?3 x
- arg.e2prom_cmd_sub_addr = 0x290;
2 u% V" N7 o; K. ? - arg.e2prom_cmd_data = buf;
9 T6 p! t5 Y& G/ s, g' x$ P - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
' @- B! ]) r- O" F - if (ret != 0) {+ H _/ G9 s" U4 a$ P
- printf("Device %s write error.\n", E2PROM_DEVICE);
5 K+ l* C! d4 W2 l - return -1;
7 J$ N+ b0 J' g+ G1 \ - }
8 o" k% ]( h3 R4 U/ f- H - ; [ \5 I" M, u
- return 0;6 [& ]' E! t `4 t
- }
* ^1 H4 u1 K: _6 ]) ?6 d$ K - . m0 J* c6 \7 o4 D G% K: ~% J, x# N
- int main()3 L$ B" m# x. @; k' }
- {
9 E4 Y) R8 u* \6 A0 `6 | A% P - char c;
6 J }' J: b v7 m6 t( K - int i, macs[6];
9 t, [: a' J" ]) U: w - unsigned char mac[6];7 {* |" C% r4 |4 Y7 }7 r: q/ N
- unsigned char stbid[256];
- y) U* ~5 U6 ^0 X - 2 _! |2 r* Z( R7 v/ Z5 e, P
- if (readparam(mac, stbid) < 0)
( Z! B) q% O& i6 t - return 1;
2 P" B- \2 X I - 4 \1 u4 Y( u4 ?5 {
- printf("Current parameters: \n");5 B) w5 G$ x7 Y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) q' X6 A( {0 K
- printf(" STBID: %s\n", stbid);
+ z* ^- {9 D' R, y; S# W8 u - 3 Q0 `8 v4 Q2 M: u, E' ^0 c! W' l
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");* b# J# z' F/ n
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 J3 Q8 O% ]3 D- A% i- p - printf("Input MAC error\n");, ?6 r# N2 F5 b/ J. Z) [7 L: P* V6 W
- return 1;8 N7 D1 y: m, Z
- }
( ~4 @! W# @" p: A0 f. _% d& I - for (i=0; i<6; i++)mac[i] = macs[i];" a2 Q( I3 V+ P7 y* B+ F
- printf("\nPlease input new STBID: ");
& I; T& a L1 O/ N* i/ ]' m, S0 ~ N - scanf("%s", stbid);' z4 ^! b+ m, e$ R& w* e- E
- if (strlen(stbid) != 18) {
5 V9 O7 }- r9 {+ D* K - printf("Invalid stbid\n");
W; z- Q! k: S8 U3 p! U8 x - return 1;
# K: ^2 D$ u- j6 c. I0 o5 Z - }2 d$ {: q+ J3 Y0 H; x
- printf("\nNew parameters: \n");8 R, k* s6 Y% V5 p
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 n! r( h( G( k- x: W! w Q - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
7 }( H+ q& a5 A# U - for (;;) {
_+ g! A) b$ [, S/ e2 g' w - c = getchar();
+ ~( o Z7 e6 x& ?1 E - if (c == 'y' || c == 'Y')5 G2 g( v# ^6 v
- break;( d& ?! U% d. o( U: e- F( [
- if (c == 'n' || c == 'N') {$ ?/ S$ W6 J" T- [0 ]1 P, u
- printf("\nAborted.\n");
; J' i \6 z4 n1 d- J - return 1;
. h9 F( f% P6 A* y) [0 a7 | - }
) Q/ \- n( j+ P5 Q/ N0 K! R2 I: c - }
$ g: l, [6 R) Y* T+ H$ J* g1 M! p - if (writeparam(mac, stbid) == 0) 4 \0 d2 t8 x: A( F1 ^4 o
- printf("Parameters changed.\n");% k: W6 z# B$ ]/ a
4 y" L5 A* W% _/ P- return 0;
- B# J6 T% \) t4 l1 Y4 ?9 D - }
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