本帖最后由 0522 于 2012-3-21 23:04 编辑 8 B0 A9 K& Y' X7 G1 l+ |% D0 p
, J/ J7 @1 P1 P; [修改的代码早有了。到今天不会编译。
2 \! R5 o# v2 u M% U需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
% F8 `% P7 _+ p% ^0 B( D" J - #include <malloc.h>
6 F8 P' S p. C0 ^! [) ^$ Q - #include <sys/types.h>, G+ m( G; H# W/ J# S+ K( G
- #include <sys/stat.h>) W* i! Z: h3 Z4 m. j9 r. v
- #include <sys/ioctl.h>7 z, T( n1 O( m2 O, i9 p
- #include <stdio.h>& \" h9 Q* y$ F5 D8 r+ O6 |
- #include <string.h>/ E) f* a. r ~/ o! x \* k
- ; p) R( I, S, k
- typedef struct {% |/ l3 M$ T' v% d9 B: U; [
- unsigned int e2prom_cmd_sub_addr;3 b+ H2 [) q/ Z8 T2 s. V9 R
- unsigned int sub_addr_count;5 n3 R; [& j$ R9 o# b
- unsigned char* e2prom_cmd_data;3 s5 N. e+ `$ T
- unsigned int data_count;
+ u; M# d9 C5 U' U. D I0 g9 U - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 19 z' z7 V! D9 P) s8 }" V5 S- P
- #define E2PROM_CMD_WRITE 2
+ ? Z3 u9 E& q) w$ z/ ]3 r( Q - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"1 x" E! m4 `$ H3 U, G
- ) i3 r1 X0 R1 L' `$ ?
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;. j, n' z& w7 V5 N" p/ h: l O
- e2prom_s_cmd arg;$ D; d, M W, S7 U! {
- unsigned char buf[0x18];0 ?5 |$ Y5 @1 p5 l
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- fd = open(E2PROM_DEVICE, O_RDWR);
! R2 B b6 ?; j c/ l7 p - if (fd < 0) {
" R; e& F% w- G" ^2 s - printf("Device %s open error.\n", E2PROM_DEVICE);
* a, n! h" r% h/ y - return -1;4 W k6 [+ I1 U# }* I6 ?3 t
- }
9 P0 B0 e8 }4 ^, X( s t) O& Y - arg.sub_addr_count = 2;
+ w8 ~# o m' d - arg.data_count = 0x18;/ b! M" W( ?% h D# P
- arg.e2prom_cmd_sub_addr = 0x290;% |6 |2 `- H% z2 `" Y% E% L
- arg.e2prom_cmd_data = buf;/ B6 J, G1 c2 w% f! U( ?
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);, F+ |- V E/ k( M6 l: d
- if (ret != 0) {
# W9 f# `& g! ^* [8 \1 \ - printf("Device %s read error.\n", E2PROM_DEVICE);
8 ~: R6 G0 [" k p+ {( F7 Z" U - return -1;
2 ~ N1 D8 D7 f# T/ d' M, M$ A - }
' t1 w# }3 e" D1 r# F - memcpy(mac, buf, 6);+ b3 g0 D1 d! s2 I5 n7 i
- memcpy(stbid, &buf[6], 18);6 D; F9 I0 n9 @, b
- stbid[18] = '\0';3 p0 Z4 o5 Z8 c
1 S9 h- T1 ]9 M7 s* Y- return 0;6 G/ b9 g9 s+ ^2 Z1 Z& Y
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;2 J# O9 P1 `( [
- e2prom_s_cmd arg;+ ^' E( {) T4 x" h; x! S
- unsigned char buf[0x18];
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, h" P7 o/ }7 V: p3 f9 Y8 N- memcpy(buf, mac, 6);$ g! I1 I9 A6 @
- memcpy(&buf[6], stbid, 18);
( X7 ?# }) C2 i2 U ~2 U - fd = open(E2PROM_DEVICE, O_RDWR);0 _2 C c, c) q! y/ n2 M$ s0 q% T
- if (fd < 0) {
0 ^* J# W8 _0 N - printf("Device %s open error.\n", E2PROM_DEVICE); Z. _! F3 O3 f, c) |# G
- return -1;) m; c$ b' N q& Y: L
- }
7 {7 c" Z7 Y( O' G - arg.sub_addr_count = 2;
: Y- w$ l3 P) B9 f - arg.data_count = 0x18;
1 v! R( x2 x+ ?- z* N - arg.e2prom_cmd_sub_addr = 0x290;
, Q1 ]6 x) R2 C3 h6 l9 V - arg.e2prom_cmd_data = buf;- A2 y) A* y! N: _/ A
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);; `% V4 c4 J0 Z6 _+ h. w0 k3 d. e6 e
- if (ret != 0) {
: Z# @$ Q5 F( H: c# p8 m" Q) c - printf("Device %s write error.\n", E2PROM_DEVICE);
2 Y9 o, T: R6 y3 M - return -1;, f* H0 S7 R3 Y: D8 A9 n: Y
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- return 0;( X; b6 g5 p- i: d. C6 Q2 V, {) W
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# H( K7 `' f2 a; ]* k- int main()
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- char c;# ?; V. \1 u, X; B2 v+ V' \
- int i, macs[6];& v+ p' i* A& u- D4 c- N2 \
- unsigned char mac[6];# c. c' T% `- I$ Z3 G
- unsigned char stbid[256];+ K: f6 q9 q( {. {/ @8 u
# [4 T4 D# H; J% d7 f1 p* t! o$ D- if (readparam(mac, stbid) < 0)
' O4 ]8 w; M, h& V# W E3 q1 U1 R - return 1;2 T' @6 u! i; {1 ?2 L" V, B2 _1 I% s7 B
- 3 R% @! [- M M4 C# S8 f1 O
- printf("Current parameters: \n");0 t/ J" x* K' Y! l+ x* ?
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 ^; }- \# J [. t4 s' l- X7 }
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! B( r0 f/ o& Q" U2 D4 H9 [
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 `8 L% z& O! C! l, \
- printf("Input MAC error\n");. ]! z" p. i4 N! ?0 a
- return 1;6 O8 {# Y: a( K' i+ b5 g% S
- }* ?- H3 r; j5 K8 L/ B$ l. z) @% h
- for (i=0; i<6; i++)mac[i] = macs[i];
6 I( d4 k+ u, @! m4 l, d - printf("\nPlease input new STBID: ");; i! K" ]/ m$ O' X
- scanf("%s", stbid);7 ?# u: X) n) m* ?5 e, R
- if (strlen(stbid) != 18) {3 E3 |" n; ]# K* q1 |1 W: y
- printf("Invalid stbid\n");0 y1 w: ^5 j- D, v! t. B; y+ u. S
- return 1;9 Q# C3 u' A$ [- r
- }9 I8 i# o3 G& D& i; S8 @7 k
- printf("\nNew parameters: \n");" Y6 _! y' Q1 P# M Y/ R; D/ p
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 h% L M: k2 q1 k$ [
- printf(" STBID: %s\n", stbid);
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: P$ j" v9 Y8 C, m) ?) @! }& Q- printf("\nDo you want to change paramemters? (y/N) ");6 F" h" \ G/ R
- for (;;) {
" A$ C. J; T j& x& g: ~ - c = getchar();. o0 }0 f( I8 E) J0 H
- if (c == 'y' || c == 'Y')
& L( a* |8 ~, f/ ]6 y - break;
9 d K; n3 h7 s' f0 O7 Y6 y/ V - if (c == 'n' || c == 'N') {
5 Z+ C8 ^9 v9 u# k8 X. h. ^ l3 _ - printf("\nAborted.\n");
* a( l7 H1 W0 n, |2 d2 G; z- j - return 1;
3 g4 e9 A' y5 Q' i% p' ]: d - }" s9 K7 d% O% \; }
- }: `7 J/ F( [4 f
- if (writeparam(mac, stbid) == 0) 0 e0 O- h4 z+ p1 o
- printf("Parameters changed.\n");- M) o, ]( n N" _( b& A% f, y2 \- L
- 8 ?4 R, X r d8 U; K+ T$ d
- return 0;
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