本帖最后由 0522 于 2012-3-21 23:04 编辑 1 d3 Q; f+ V. v' x3 C
8 Q/ L) s: o _8 }6 R4 I! [" ^& R修改的代码早有了。到今天不会编译。3 B% ]+ K: D9 |0 G8 L, p/ Y
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>( E3 x$ c( O z! E
- #include <malloc.h>- M1 X3 z/ q# q) ]* {7 ?: Y5 [
- #include <sys/types.h> K! r2 |+ Y: W9 Y/ w
- #include <sys/stat.h>
: b# D4 E4 {" i2 R, E - #include <sys/ioctl.h>4 |! s' s* d+ j% t: }
- #include <stdio.h> R( ?# M% |+ H) A1 D' R8 z: G
- #include <string.h>
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$ s( ?9 U; F' e4 g3 M3 M" N: C- typedef struct {
9 o( ~8 x( V# ]" p5 | - unsigned int e2prom_cmd_sub_addr;- B# O$ ?" ?' ]8 D5 N) }
- unsigned int sub_addr_count;1 a9 M7 {3 @5 I7 E8 U
- unsigned char* e2prom_cmd_data;& ]3 o. i) E! m3 ]3 n/ E% i5 |
- unsigned int data_count;. Q! z1 |% O1 {$ I
- } e2prom_s_cmd;
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& O s: t$ m" y% p) @- #define E2PROM_CMD_READ 1& c% V/ L6 ?0 X, S
- #define E2PROM_CMD_WRITE 2
" `( O# @6 S, l5 p0 p6 }; A: W* W - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)" ]4 u4 Y) ?7 H) s" g
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- int fd, ret;
, W1 S- U. Q8 d2 F c) R: O - e2prom_s_cmd arg;
. ^6 Q% N& u* N# V; H4 z1 ^' E+ g - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);6 Q. A6 z! d$ h) n8 y! _* G1 B- S
- if (fd < 0) {
2 v/ y! i5 y# L c: g - printf("Device %s open error.\n", E2PROM_DEVICE);0 _0 T$ Y$ S; `' h2 \
- return -1;
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- arg.sub_addr_count = 2;
$ `9 p1 u' u, t- e( Q - arg.data_count = 0x18;% Y3 T: F% i/ U
- arg.e2prom_cmd_sub_addr = 0x290;, Q2 N2 |8 }6 ^9 c6 N. O+ V
- arg.e2prom_cmd_data = buf;
4 U% ?3 P$ d/ M - ret = ioctl(fd, E2PROM_CMD_READ, &arg);+ d7 ?) n4 O/ K; D4 B2 y* h
- if (ret != 0) {) V" Y) U8 D* C' {) ^; J0 G' M& r
- printf("Device %s read error.\n", E2PROM_DEVICE);- w3 X1 D l# f/ B2 y" H0 A
- return -1;! w% L0 l( S1 s, q! U _. t
- }. }% u- }' w' o) I7 x% d
- memcpy(mac, buf, 6);3 n$ I. Y) s: i/ Y+ N% ]
- memcpy(stbid, &buf[6], 18);3 U) @4 j# Y8 _4 t1 A7 d
- stbid[18] = '\0';9 c* J. ~+ U, C& Y3 W8 T
' `% Y9 X1 e6 N- return 0;! U: o. p r' z" g. R; q/ E) H# q, x, q
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8 B+ v" g; w3 E" ]0 `. j M3 @- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
% s+ {* ^2 B0 D: {4 p8 b - e2prom_s_cmd arg;% T% x; n9 \7 W1 l- W
- unsigned char buf[0x18];
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6 k. F* v s; ^- memcpy(buf, mac, 6);
6 K3 c0 s) i9 ^1 D - memcpy(&buf[6], stbid, 18); p) B ]7 a+ H( r
- fd = open(E2PROM_DEVICE, O_RDWR);
8 C- v- j! q$ b+ s! P' A - if (fd < 0) {2 Q3 Z" u6 R- X( E, \
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ L# ^3 V8 J" s4 B0 _' k3 ^ - return -1;
- O& t8 ?* u1 _ - }
& ?2 J ]3 l3 R8 I7 K, ` - arg.sub_addr_count = 2;: z: m a1 e% e! L" C$ N4 l |
- arg.data_count = 0x18;
2 C6 } l: \+ h( P3 E; m - arg.e2prom_cmd_sub_addr = 0x290;
9 A6 B, F P& h% [, C) E; z - arg.e2prom_cmd_data = buf;+ W6 q2 ^" I+ e8 P$ k
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
/ m& v! @+ h+ g7 h - if (ret != 0) {
) [* o/ r8 W2 @) y. ]6 m - printf("Device %s write error.\n", E2PROM_DEVICE);4 r1 S. d7 \6 u% @3 n# E ^+ ~+ @5 [
- return -1;2 a0 ~: X9 w: a! N, {" F
- }
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- return 0;
3 [4 T) m# B$ N% _; W/ i, X6 S9 ? - }
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- int main()
2 u# W% S/ A4 d4 T& X- o - {
: ^- Y! F( g. T, [' I2 B, x: I - char c;
9 m2 g1 W+ M5 f" G. B3 W - int i, macs[6];$ y, u6 U& o- q
- unsigned char mac[6];' b# T' P' K. G, z: |# j
- unsigned char stbid[256];
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, m5 C5 b1 ~+ o* k- if (readparam(mac, stbid) < 0)
' \% Z& R/ E- u# Q" W - return 1;
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- printf("Current parameters: \n");5 S1 o/ v2 J& ?) u: h p
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- p& S# A' H8 i. Q+ t0 f' F - printf(" STBID: %s\n", stbid);8 v9 e J2 m6 a* i: E
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
u4 T9 N. U' }8 E - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
1 D. Z4 o Y0 R* N - printf("Input MAC error\n");
: l0 K; L- y9 ]. J9 w. }6 k, @! q - return 1;3 D/ h$ f$ i6 ~- }( ?
- }
4 X1 t" D5 Z$ q% u+ \+ K! C1 y1 S8 g - for (i=0; i<6; i++)mac[i] = macs[i];" h9 t u& H* B8 f' R$ _( [
- printf("\nPlease input new STBID: ");
. Q3 J" {2 x h) V! t. j, u5 @ - scanf("%s", stbid);8 e' j/ T' Y- v& g7 J, K
- if (strlen(stbid) != 18) {
: e# x3 F8 N% c9 h - printf("Invalid stbid\n");
2 K, f2 g$ K9 a( q* J* m1 g - return 1;% Z1 }+ o6 E1 g) S" Y9 h
- }
5 w x7 G! d, q' l$ L0 C* O - printf("\nNew parameters: \n");1 i4 c6 X4 @0 x5 X6 W
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- L+ d2 v# N7 f" g0 F - printf(" STBID: %s\n", stbid);6 ~( w9 _; h3 U: p9 b
/ ?- f7 A( l; Z- printf("\nDo you want to change paramemters? (y/N) ");, d0 ^+ y1 }7 a4 r8 h+ ~
- for (;;) {
" i( |" {0 ]$ n+ d+ B8 ~$ Y( G- C - c = getchar();
, \2 P$ L S; O0 p9 O - if (c == 'y' || c == 'Y')3 M. G( S% t! k. y+ g6 M- I
- break;
; |1 |$ T6 Z R3 x6 W* @ - if (c == 'n' || c == 'N') {
6 v: ?: L$ E4 A% b" J$ Y9 S# b - printf("\nAborted.\n");, h7 |# J+ H( b T2 n3 z# y
- return 1;) f# Y8 U3 b2 u0 V* \& V
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- }; m7 A4 D' b3 k- F6 [- @, N+ t
- if (writeparam(mac, stbid) == 0) % B3 o% J" ]. r! b4 W
- printf("Parameters changed.\n");
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- return 0;
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