本帖最后由 0522 于 2012-3-21 23:04 编辑 8 s) |( n. N/ N
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修改的代码早有了。到今天不会编译。1 _! ?2 d# A m1 H" W+ ^3 N0 ]
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> B8 a; j# a3 w p
- #include <malloc.h>
: f- r$ h9 B/ u) \! V - #include <sys/types.h>7 N" ^/ L' O' A0 `) C
- #include <sys/stat.h>/ i! F7 z$ ~3 Q; g! u2 A+ f2 S
- #include <sys/ioctl.h>; Z5 X2 ~6 R4 M) ?8 b
- #include <stdio.h>
& B- M/ I/ g+ u. U - #include <string.h>* ^, V$ V: }% r2 h# M
+ [% y. \5 g# U- typedef struct {" s+ V5 g9 p; M2 U% j' \6 v p
- unsigned int e2prom_cmd_sub_addr;
" ]5 Y6 m+ f6 E0 j - unsigned int sub_addr_count;) A2 g+ }+ p, a/ l
- unsigned char* e2prom_cmd_data;& j' j- a2 g8 ?5 o
- unsigned int data_count;0 A, a. R; C, l/ I
- } e2prom_s_cmd;2 L: k2 Z; p* z Q
% T+ ?& c5 }. [ u( k# h' f. C- #define E2PROM_CMD_READ 15 ]1 k! e# T# O# N
- #define E2PROM_CMD_WRITE 2
5 e \* \, Z, R9 X3 W - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"8 N$ K" Y8 T9 H/ N
- 5 m( d2 U) U! n/ \8 _6 ]- f
- static int readparam(unsigned char *mac, unsigned char *stbid)
9 w2 `) s$ A/ ~6 J - {, \- d4 x6 I1 ^" k, e+ x
- int fd, ret;
7 W1 i4 b& j/ g7 d) c7 D8 h - e2prom_s_cmd arg;
3 N- ^0 O# ^7 n2 P - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
" Z9 I4 ^2 c5 o - if (fd < 0) {+ W' F+ E4 u6 |
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ q; J6 h. B: N8 ^# I - return -1;% X+ t6 I0 b( F8 b# P
- }
0 q) N) H) s1 g4 X" z+ f. B - arg.sub_addr_count = 2;7 L/ Y# c2 z8 N$ g' U2 v7 C
- arg.data_count = 0x18;
$ `+ D; A0 C( c1 y! l$ D4 y - arg.e2prom_cmd_sub_addr = 0x290;8 \9 @- m2 f& J: J$ n
- arg.e2prom_cmd_data = buf;
" }: _9 P a# k% \! x8 w, ^; r - ret = ioctl(fd, E2PROM_CMD_READ, &arg);: w/ o* N, C) @
- if (ret != 0) {! U' Q! Z9 m6 u' B
- printf("Device %s read error.\n", E2PROM_DEVICE);
0 z# X3 l4 X6 g5 N4 Q - return -1;
8 X' L) U: w+ z; M! g1 z# {* u5 M - }
9 D8 |5 \- S, ]! Q$ ^+ g& D - memcpy(mac, buf, 6);% w+ V, F* W2 ?4 V. }; O
- memcpy(stbid, &buf[6], 18);8 g2 S9 h7 D8 G v% W
- stbid[18] = '\0';# ?$ m$ m. N; W
' M8 w/ B& |# b) S- return 0;
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( H0 F: Y# F" n" G( ^( _+ T7 _- static int writeparam(unsigned char *mac, unsigned char *stbid)5 M( ~) s, c: P
- {
: x+ }' l* A, d( X, s - int fd, ret;
5 F. f( L6 _/ `' c* I& j0 u* R7 g$ E3 d - e2prom_s_cmd arg;1 N t6 ~- w' F6 q' s
- unsigned char buf[0x18];
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% [# M1 G8 t7 G' E- memcpy(buf, mac, 6);6 I6 I2 I: ^, @3 I6 b& i# Z9 m
- memcpy(&buf[6], stbid, 18);
$ f5 c$ ]" d! U2 S; m - fd = open(E2PROM_DEVICE, O_RDWR);: ?6 g4 F- J, V% D' l
- if (fd < 0) {7 g. M1 s2 [+ o2 K
- printf("Device %s open error.\n", E2PROM_DEVICE);( Y' b1 B9 @9 D3 P; {: b
- return -1;
6 ~5 k/ { ^7 P, _+ y9 @3 c - }
0 |$ @6 i( G; o' j' v. G9 t2 g - arg.sub_addr_count = 2;4 C. C- _$ @/ K9 x& w! A
- arg.data_count = 0x18;
+ [4 u# [) w9 q+ L. v# Q1 n5 `$ p5 c* q - arg.e2prom_cmd_sub_addr = 0x290;% i3 e4 P" q2 x4 c, ^' M4 y" S
- arg.e2prom_cmd_data = buf;
8 D9 K3 g# t+ `- X# K4 ? p9 A2 f! w - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);) w# w! k1 r! P- W
- if (ret != 0) {/ ]' O' T% y, o6 b& M& z6 H
- printf("Device %s write error.\n", E2PROM_DEVICE);
( h5 d/ r6 z1 i - return -1;
( u7 J' b( \ [) w+ c4 f - }
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- return 0;
# ]* E5 v0 ~$ I2 y# W5 S - }3 O# Y7 a2 ]/ ^
9 }$ E+ v" r* h- int main()
: B7 a6 w8 |5 D* u - {
4 E% r8 d5 h& B: X$ O - char c;
. T3 s1 K# V) L/ I" X5 O: A - int i, macs[6];
' x9 d- `, y3 G# q" ^9 p* _ - unsigned char mac[6];* ^( T, S, W$ r2 X
- unsigned char stbid[256];
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% b* n$ y7 q0 v! y, ~4 t4 q$ i- if (readparam(mac, stbid) < 0)
1 Q6 G: V Q( B: }0 w9 b; L- E - return 1; A0 A0 L# s- \3 ^
" `4 i. X m0 m( Y" y- printf("Current parameters: \n");
0 y8 p& Q8 q! E, u' T8 A3 | - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 y4 B9 P- ~. D' O6 I" T x - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 N' Q- M5 N" x8 L6 }; i2 K
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
, P' z% k4 [! _ - printf("Input MAC error\n");
4 m9 n9 z1 k' ^, V+ f! \/ q - return 1;
) I2 K I8 ]8 Y# }0 j - }
& n. w( e) C+ J" p( J$ _ U - for (i=0; i<6; i++)mac[i] = macs[i];0 | a) {6 i G: u% o0 K
- printf("\nPlease input new STBID: ");
4 u% e" o& ~/ {" v7 x - scanf("%s", stbid);$ G7 T9 V1 @5 C
- if (strlen(stbid) != 18) {
; N! L# X$ _3 x+ Q4 [3 u, x - printf("Invalid stbid\n");
* n; { ~! ^) j/ S - return 1;
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- printf("\nNew parameters: \n");6 W; x4 G- A. x' I) G- o
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, D. {4 f( {' [7 I ^) y, i - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
) P0 R1 k- p8 m4 R9 | - for (;;) {; a2 U3 N6 x' b- @
- c = getchar();$ i$ \0 V; H z; ]6 T' c
- if (c == 'y' || c == 'Y')/ k$ y7 ]5 y6 r! g' _- @$ ]: i
- break;
. u2 V Q2 b4 b' ` - if (c == 'n' || c == 'N') {
1 l R/ E: |7 R9 V) i7 F: O+ O - printf("\nAborted.\n");- M# _- L3 s1 r5 \
- return 1;
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- }
8 p8 e2 N. h2 u - if (writeparam(mac, stbid) == 0) 9 }/ n! ?0 r4 T' C& y
- printf("Parameters changed.\n");% i3 B% W! V6 I! N
6 l0 K' y" |2 z8 T) Q! t% B8 P6 A- return 0;+ T Q L7 Q, k% V3 g4 `
- }
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