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。
5 U3 \: ?! O* b: i# m* W x! z) I需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
' a8 P9 w" ]5 N! c0 k - #include <malloc.h>
6 j+ s$ M4 s h: ~4 M - #include <sys/types.h>: ]+ M" \1 h. T9 V
- #include <sys/stat.h>+ @6 z% k' x# t' d" m
- #include <sys/ioctl.h>9 r. [. q) Q& X2 Y+ |4 s+ t5 P
- #include <stdio.h>
6 d- }+ S0 G# G/ B6 B - #include <string.h>
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" s' M( v% N8 _; e M% m- typedef struct {. C' d% g+ ?# T7 B' X& ~$ t
- unsigned int e2prom_cmd_sub_addr;7 R5 U" k, R0 f, K
- unsigned int sub_addr_count;
, V+ G) V3 S/ n! L0 v - unsigned char* e2prom_cmd_data;
& D1 c, M3 d5 U+ j( y6 n& G- | - unsigned int data_count;
7 m- g( c6 M: k% k) B0 {- u9 M - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
: p$ D. N' V k* J! G) t3 B# [ - #define E2PROM_CMD_WRITE 2
) n# ]) z) {8 l# R# U6 Q. f - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
/ n; B7 l0 ^' q8 b/ L/ n/ i - {
3 l4 K3 N* x. l - int fd, ret;3 \- A( y3 a; n/ T2 V. }# X
- e2prom_s_cmd arg;. h5 ~) D4 p9 l6 Q/ }7 `! g$ Y+ v
- unsigned char buf[0x18];
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1 L+ N/ |+ [, ?( f2 l1 R- fd = open(E2PROM_DEVICE, O_RDWR);/ X4 `- C( I& S9 a, _5 V
- if (fd < 0) {
& W6 p) J( |4 z8 M/ M& X - printf("Device %s open error.\n", E2PROM_DEVICE);
9 C0 g" D0 C/ |7 Y1 t( W3 j- N - return -1;9 X$ [$ R g" b8 x( _& y
- }! d$ i/ I1 i5 a3 j% d8 Q% k/ s
- arg.sub_addr_count = 2;
1 e- j7 B; X% q2 s9 i - arg.data_count = 0x18;! `) ?/ R1 ]! D+ ^9 p/ T
- arg.e2prom_cmd_sub_addr = 0x290;
1 @2 `4 G, E% e' a: R6 | l - arg.e2prom_cmd_data = buf;
; h0 O2 d0 Y1 R I1 u& {8 l' @1 G% t - ret = ioctl(fd, E2PROM_CMD_READ, &arg);/ i( |0 U L4 B. B" X3 R
- if (ret != 0) {
& d% l- T0 V' x* K5 U) K - printf("Device %s read error.\n", E2PROM_DEVICE);- V3 m9 Q% u @1 T" X# J
- return -1;- R% R% N- s3 p2 c$ v
- }
6 R: e2 V' V5 V - memcpy(mac, buf, 6);
: M' d$ Y1 c3 a - memcpy(stbid, &buf[6], 18);
* T. r) D2 z& H) y; E - stbid[18] = '\0';
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" k( w7 v; o: ?1 m9 J- return 0;% S! y4 N, v# x$ [# [- {
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)4 m7 Z$ P" ?( N" [
- {
( d G# k1 n5 k# l' c' x5 r - int fd, ret;/ ^/ r2 K. Q4 R+ z7 k! ^
- e2prom_s_cmd arg;
; C' H. U7 B# c+ \ I - unsigned char buf[0x18];) P/ ]" x/ \$ N8 f1 x
- ; L Y6 O4 |# L, e" D7 _
- memcpy(buf, mac, 6);' F/ _2 u5 F2 z
- memcpy(&buf[6], stbid, 18);
+ u7 y' w; j6 R3 x5 M - fd = open(E2PROM_DEVICE, O_RDWR);
# u% C1 y# X; m6 b) M* G5 e. N - if (fd < 0) {
a0 M9 a& W: {# T0 H - printf("Device %s open error.\n", E2PROM_DEVICE);
: ]. O) R4 G. N& m- Y - return -1;
/ u7 }# b& e7 Q' v0 { - }; Y" e) I, ?3 o4 q* b) n
- arg.sub_addr_count = 2;5 T! S* {8 H) K! ], a
- arg.data_count = 0x18;
, z1 |! |0 J' R z - arg.e2prom_cmd_sub_addr = 0x290;
- G- r! O! A- \. g - arg.e2prom_cmd_data = buf;
3 p5 V0 L5 i8 @" w - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);/ a+ {) @0 M6 r
- if (ret != 0) {
6 F, p, C; |9 a7 c# N7 k - printf("Device %s write error.\n", E2PROM_DEVICE);
2 B3 s: t9 @1 ]( H4 {9 I) e8 g - return -1;( A& e! s' I+ O. Z; B5 P, i
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- return 0;$ K. i" z" f, @7 s6 f- G: b
- }: d3 q3 Z; M# z
8 H' U6 l$ b' \- G0 c- int main()
0 K: E/ F% r; J i! ? - {
9 x. {. r* x, R B8 N: T6 m - char c;
6 D) N% i8 z/ ?4 i9 S9 c& h - int i, macs[6];
) r8 J% h6 a8 T! F; s2 ?9 w - unsigned char mac[6];& @6 L j* N3 }
- unsigned char stbid[256];& K+ H# d4 Y4 A* i4 `9 ^; j
1 Z* i; _" ^9 Z- if (readparam(mac, stbid) < 0)
% n- s) s& ^9 `8 [, a - return 1;' [6 P6 M6 A* e& O, x
- 5 |' O8 Y$ M0 I+ i5 K
- printf("Current parameters: \n");. ?+ D; k0 y, C( G
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- b( _8 |# W$ L4 l h! |7 ~* U! H - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");0 t6 v8 O) a: p2 k$ M: Y
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {4 ?, |8 O9 V* @! c8 ^& y% D9 {
- printf("Input MAC error\n");
5 E7 z( ~6 A# {' d% f4 ?$ j/ u: y - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];, M' D) p5 t+ D. }' [! _
- printf("\nPlease input new STBID: ");( D6 @, a7 E' `2 [. l
- scanf("%s", stbid);8 a. o; T: ]. r, f* B o# }0 |
- if (strlen(stbid) != 18) {! e6 V! S, l. A4 `( d2 B4 Z
- printf("Invalid stbid\n");4 X3 S+ _9 H y- t& |' p
- return 1;
' o; A* a S$ s) C0 ]+ S - }
4 U8 _" _2 T4 S8 j - printf("\nNew parameters: \n");+ r# `* x$ Z, `1 }) a2 v4 [1 X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 Z8 }: s2 U/ B0 s/ c - printf(" STBID: %s\n", stbid);$ }# d* N* m" O+ [, C" r. e
- 2 n. `; q# D' ?. b! P9 N6 T! p
- printf("\nDo you want to change paramemters? (y/N) ");0 j @. h) U. {; _, _: j3 E+ o
- for (;;) {
6 R- f+ e) X+ T. ? - c = getchar();
- h+ A4 q6 F, c0 u9 z - if (c == 'y' || c == 'Y')' t. _5 F$ K5 ^! R- v
- break;
4 [* j; t; n. M9 j* ` - if (c == 'n' || c == 'N') {5 L* l3 q* z1 X; {: {2 N' `
- printf("\nAborted.\n");0 Y4 [. B% y' @2 n
- return 1;
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- }
* [, X. e* M2 u J - if (writeparam(mac, stbid) == 0)
' N5 J9 r7 H) J# ~& u' Z - printf("Parameters changed.\n");+ {. n, F8 r s* p
- 7 B7 w: L) ^. q
- return 0;3 M. R" l, P; R) ~* L2 w3 z- a8 V
- }
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