本帖最后由 0522 于 2012-3-21 23:04 编辑
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1 ]8 ]! F/ T4 x' e修改的代码早有了。到今天不会编译。
4 S8 {3 _9 A; T8 A1 J' e需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
, s) H: @) j; D2 G" s - #include <malloc.h>3 C& w3 R6 f s
- #include <sys/types.h>
" I8 a4 l6 {: q5 M% x8 T - #include <sys/stat.h>
% B7 [: f, J! S/ `8 k# S: _ - #include <sys/ioctl.h>
, `3 e4 N" N$ I+ q! I, W* b4 } - #include <stdio.h>1 o2 q7 t e+ [
- #include <string.h>
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. F9 {0 Z1 ]) S0 T- d- typedef struct {5 k& q M( Z G+ D7 A0 Z0 Z
- unsigned int e2prom_cmd_sub_addr;. i; O# j. y$ ?, J J* h( @
- unsigned int sub_addr_count;
* |) e- C7 }* _- x# ] - unsigned char* e2prom_cmd_data;1 e' r2 i+ B) F0 M( [
- unsigned int data_count;
7 U% r, @( ~) X! Y - } e2prom_s_cmd;
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( x5 X' [% {" a; t; L2 t) [& Q- #define E2PROM_CMD_READ 1
" n( T8 ?" R+ V% d' }2 u( `- d3 t; z - #define E2PROM_CMD_WRITE 2# H% h& |7 C" C$ X4 d' V, M& \3 W
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)- l1 @# b8 I( d% x1 k
- {
* s |/ V9 _( t( T5 G5 m - int fd, ret;
( b) }% Y. |8 a: m - e2prom_s_cmd arg;
/ I9 E# {# M) U* p - unsigned char buf[0x18];
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9 F! S; k6 F% X8 O. v- fd = open(E2PROM_DEVICE, O_RDWR);
$ `3 M9 ?7 X9 z. b9 e+ I: T7 E4 O% C2 M - if (fd < 0) {
; J' Z/ X- }1 W; b+ z' Z - printf("Device %s open error.\n", E2PROM_DEVICE);6 K3 n$ P/ Q( r$ N3 u- [
- return -1;+ c3 q4 a( o% H4 M: S! a
- }
# i- d, l4 L! m9 H% }* {% o - arg.sub_addr_count = 2;6 {/ v* G! P/ z7 G, X" B
- arg.data_count = 0x18;( d! q0 Q# d, c6 q) ]5 \7 A1 f' W
- arg.e2prom_cmd_sub_addr = 0x290;
3 t' t9 b# I6 }* s. e) J! V - arg.e2prom_cmd_data = buf;
6 y1 |. T8 c* F5 q1 E - ret = ioctl(fd, E2PROM_CMD_READ, &arg);) o; s( B+ D, u m E9 _
- if (ret != 0) {
8 e2 X6 I2 e& S$ U* K, |9 } }: q: W - printf("Device %s read error.\n", E2PROM_DEVICE);% ]4 V! _; t, X% n
- return -1;
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- memcpy(mac, buf, 6);8 b& g( n4 M! s+ Q( W8 `9 H
- memcpy(stbid, &buf[6], 18);
0 Z: g1 ~ ~1 o2 |1 `4 X) _ - stbid[18] = '\0';* w4 ~6 s, \. T
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- return 0;2 [% T( z/ Z ^! v$ t$ }5 |- Z) E
- }
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. n# X z# |, ~4 _7 h- static int writeparam(unsigned char *mac, unsigned char *stbid): c" e: C; T" g n+ {3 S0 a
- {+ l) A9 J2 o: l# ~0 [
- int fd, ret;
! J7 [+ A P# Y& [6 j7 E$ A - e2prom_s_cmd arg;
! q4 O* s, f3 r - unsigned char buf[0x18];1 U3 u2 g9 d( M$ _5 c, |
- ! o+ u& [8 R* i5 o% \0 o% M
- memcpy(buf, mac, 6);* z+ k' |% V4 w. r# f5 R
- memcpy(&buf[6], stbid, 18);* @0 C. F) K* l4 \9 q; u
- fd = open(E2PROM_DEVICE, O_RDWR);. N6 ?7 w( e h V( |, F" E
- if (fd < 0) {$ Q8 z4 N1 l& K3 o
- printf("Device %s open error.\n", E2PROM_DEVICE);
( R- d. q; i; w# r. |- u- {, ~ - return -1;
3 j+ P: a& s3 i$ i; _) F - }% T, g% d- l! ]+ V- _
- arg.sub_addr_count = 2;
# W7 n! `; r2 ?, r& e5 R) g - arg.data_count = 0x18;
% u( I; H: l! R8 J- t% h8 Y - arg.e2prom_cmd_sub_addr = 0x290;" h* [' m2 x8 ?* `' c0 H: c
- arg.e2prom_cmd_data = buf;1 c3 r+ S" ~, F
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);8 V9 U" `1 G; a! x2 y; q
- if (ret != 0) {
N4 O7 W4 ~$ ~. X3 P# w - printf("Device %s write error.\n", E2PROM_DEVICE);
* A& \* I0 d/ k( @ p - return -1;, e! _6 z) p! g ?. {
- }; @' Q% B9 v/ @) ~% y8 S; J' {* Z4 E
- 2 P M9 R; q2 Y
- return 0;
+ N3 e- Y. l( j, n - }
# {" { D5 T. \: z
, V3 N. Z+ a0 \- int main()/ l7 R5 z0 A R6 _; X0 C
- {
B% }8 s2 S F G# n7 N - char c;
% m: d2 Y5 S9 G5 h7 H - int i, macs[6];
* \+ B$ X/ U+ s7 T+ d2 S. Y - unsigned char mac[6];) p" P( U/ r* J9 e! ]
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)$ }& V$ z% F! j/ j3 s P
- return 1;2 C$ r# i0 w7 X' a( m' ~( W; S
x1 f2 I6 T* `7 M- printf("Current parameters: \n");
3 i# |, ^2 ]7 }, u \% O. k - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: n1 e$ [1 w9 K* s6 u
- printf(" STBID: %s\n", stbid);) {6 t7 S* I6 X1 C* n
- / e3 ^6 C1 a& @9 u# k& ]" U3 A
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
0 }/ k; q% g% v1 S- ~ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {" ~3 [# @ A8 m: q; X
- printf("Input MAC error\n");; N* X. f% j/ q
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
5 x* e% e/ l( l F% W: P - printf("\nPlease input new STBID: ");; ^0 ^/ M3 ]0 z# a
- scanf("%s", stbid);
8 V0 V7 o8 F$ J* K6 \ - if (strlen(stbid) != 18) {( J: x) W& B7 `4 l, ]
- printf("Invalid stbid\n");- y* }: j+ h, a& l7 [- v
- return 1;8 K# ^" y& J8 O% H9 W. P- Q
- }
& e7 C+ h; r+ M9 w6 ?9 O - printf("\nNew parameters: \n");0 X1 B" Y6 Y9 f/ q4 e) m
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 `# R3 G5 `, p - printf(" STBID: %s\n", stbid);
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\ Y3 v8 f$ F2 ]1 i- printf("\nDo you want to change paramemters? (y/N) ");
% ?6 @% f9 P2 h/ E3 k - for (;;) {
% z% X) i9 q% J - c = getchar();- g" m1 S3 ]& A& D
- if (c == 'y' || c == 'Y')
0 e7 v0 {5 B+ v, G& [9 i* {5 c - break;
$ O' t& u% {# _ - if (c == 'n' || c == 'N') {
6 g& ]( b7 ^) N% ~* y& p+ U! M - printf("\nAborted.\n");
. Q' @/ V: k0 ^% ?' ~8 ]6 g( s - return 1;5 n" m7 Z; E L, {0 D) g! v5 I
- }
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- if (writeparam(mac, stbid) == 0) ( B( k( V4 @# W
- printf("Parameters changed.\n");' W( ~3 E. g! D% m6 @
- ; W5 z* M! r4 ^$ _ ]; J
- return 0;
& Z9 C3 b8 R |8 n) N+ `" W - }
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