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。" u2 Y/ R% s& N' n2 w
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>2 J% W6 L# n" v8 D% |
- #include <malloc.h>; a/ H; o( e& _5 V% G- L
- #include <sys/types.h>
# l7 J1 j# M2 L6 S - #include <sys/stat.h>+ y: A, Y" S6 u0 ?- N$ W
- #include <sys/ioctl.h>& z" u7 ^2 A/ z
- #include <stdio.h>
: V# @3 B( A4 h6 `& P$ }3 m - #include <string.h>( x6 H4 x0 h3 Z7 O
3 M1 U) o4 k( {8 q# ~- typedef struct {- t# m+ w( q( \% W3 }! w
- unsigned int e2prom_cmd_sub_addr;
$ i+ Z& s+ d3 ?6 U8 ^, @8 ]- y( T - unsigned int sub_addr_count;
* x; m3 n% z4 j1 N! T& Z - unsigned char* e2prom_cmd_data;
8 r2 o& t6 E( \9 J% d; K4 x1 i - unsigned int data_count;
2 d: A; e6 r$ ?9 W - } e2prom_s_cmd;: e1 v( {* B1 `+ ^) c" x
- ( T3 U, K, c- s; v7 l0 ~/ k/ e
- #define E2PROM_CMD_READ 1
+ N9 D$ ]! m) C6 D - #define E2PROM_CMD_WRITE 2( ]/ e! I; l3 P! ]( T& d, T" A8 S
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
! a' g, }; _+ B: h* m+ u o0 Y - ( ?0 d2 `: L+ E) X) Y6 l) D9 Q
- static int readparam(unsigned char *mac, unsigned char *stbid)3 Z3 h2 m% f) o. i7 n* |' f
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- int fd, ret;
, a. t" t/ K' N( }1 o7 x - e2prom_s_cmd arg;, |+ D; f: a. M! h% y
- unsigned char buf[0x18];9 e1 Q0 m- N, Q' {7 t
- 7 P$ M5 r# n+ V* T1 c
- fd = open(E2PROM_DEVICE, O_RDWR);7 ~. ^4 n+ g7 W9 g) ^& Q
- if (fd < 0) {
' N$ e) ]0 C) P$ B' I: F5 w2 w- `/ _2 R2 a - printf("Device %s open error.\n", E2PROM_DEVICE);
6 J5 n6 v* G" A1 R# | - return -1;
7 x H9 A$ B4 p! F8 U - }
+ p8 x t. m4 v0 b; _) z1 g1 B/ f - arg.sub_addr_count = 2;
/ p' }* @! [. X2 G2 [ - arg.data_count = 0x18;
@5 f D4 R m7 ^2 M6 u7 B - arg.e2prom_cmd_sub_addr = 0x290;7 ~! m4 Z( U9 t: Q
- arg.e2prom_cmd_data = buf;
6 Z+ Y5 m4 P& H9 G! u3 P) T - ret = ioctl(fd, E2PROM_CMD_READ, &arg);, A% x% t0 a5 k* q2 X
- if (ret != 0) {
/ z) i+ G* W& p8 U( | - printf("Device %s read error.\n", E2PROM_DEVICE);) q7 x( O' C* ]
- return -1;. G4 h4 |9 e0 J$ ?. Q7 u9 J2 E
- }
# ? J0 `2 k. h - memcpy(mac, buf, 6);- S0 p B u' O% g
- memcpy(stbid, &buf[6], 18);' Z9 M* d7 p+ W) T: I
- stbid[18] = '\0';' C/ B+ v. N; f4 f# [) }
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- return 0;
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- ( T) l! { O% p4 Z& ^2 A$ D6 m
- static int writeparam(unsigned char *mac, unsigned char *stbid)# \9 t$ m# s8 h
- {( v6 F% }6 g$ {+ P/ O& u
- int fd, ret;% q! @& O$ g8 a6 Z5 c
- e2prom_s_cmd arg;( i v$ ^, _* [! x5 \+ g$ d
- unsigned char buf[0x18];
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& m" Q! q. r( r1 J8 J& M4 a2 E" k- memcpy(buf, mac, 6);
2 i7 | ]+ @; S; l - memcpy(&buf[6], stbid, 18);8 @) ?- O4 t" ?7 O
- fd = open(E2PROM_DEVICE, O_RDWR);
7 X! j* Z$ g# f x, G - if (fd < 0) {
" L1 W0 Z! r7 Q2 V+ Q: J - printf("Device %s open error.\n", E2PROM_DEVICE);4 A- R* x N, r7 C, X
- return -1;
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- arg.sub_addr_count = 2;
3 B8 U/ H9 i7 ] - arg.data_count = 0x18;
! y: |; |5 L% {& m& d/ k6 E3 ? - arg.e2prom_cmd_sub_addr = 0x290;
3 S% L0 j: c9 C' R0 v4 ?1 q8 ~ - arg.e2prom_cmd_data = buf;4 O& Q0 R$ ?7 W- \$ m/ ^* m8 T
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 [! S# @ W, k+ V
- if (ret != 0) {5 G, K& N* d5 R( h, @
- printf("Device %s write error.\n", E2PROM_DEVICE);8 m+ n8 \) T4 O+ D G1 C
- return -1;
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* K7 E+ f r: y$ y! h- return 0;
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- int main()
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- char c;
- p) w% ^3 E0 U/ W - int i, macs[6];7 R0 Z: E+ V2 n8 a* s+ Z. t
- unsigned char mac[6];
1 Z) P2 i; F B - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)/ r1 [5 S( D3 g; E
- return 1;
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- printf("Current parameters: \n");
% Y* ~8 F; @7 m* P - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, Z2 [) q2 [ ?
- printf(" STBID: %s\n", stbid);% w2 h: W3 w# j! O# g2 p
-
# ^. G1 K/ J- P9 n8 A2 q4 Z5 E - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. O6 V' R: b4 x* ?( t
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {! O# f* ^2 e6 k6 I1 ~9 Q: ~/ y
- printf("Input MAC error\n");7 X6 i4 y7 j- s) x
- return 1;
+ _: }: T( M/ A3 k - }+ L& r+ i# `9 p- q1 b- ?* g; y* m
- for (i=0; i<6; i++)mac[i] = macs[i];' C1 X3 s/ R$ D8 D% R$ H
- printf("\nPlease input new STBID: ");% O5 F; I" s7 x) z
- scanf("%s", stbid);
7 x" i! {7 V+ c0 v0 P7 z5 C9 R( L - if (strlen(stbid) != 18) {
! {! r1 O! N+ M$ p, E - printf("Invalid stbid\n");. p3 K- d8 p0 h3 b- n1 w$ t* y) \4 r
- return 1;
% e3 L, A- E+ V* @. B3 w - }
/ Q0 d0 x* l$ x' P. A4 O7 L6 E( V2 @ - printf("\nNew parameters: \n");
- V5 b* ], p$ o% f9 V - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, |( K, C: N& _0 T
- printf(" STBID: %s\n", stbid);7 M7 y) R8 Y4 J
( s- F$ s& H& ?- printf("\nDo you want to change paramemters? (y/N) ");: X7 v* @; U* Z$ O8 r1 z+ k2 W2 n
- for (;;) {
& e1 r: p% G* V+ m6 a0 X' S. I4 N; l. ~3 C - c = getchar();# f7 F" K: a; [6 G) o, l' _* e
- if (c == 'y' || c == 'Y')
& H& v) a9 a" b& s) q9 h - break;
9 _' q. `1 Y( H - if (c == 'n' || c == 'N') {
! P* ]0 {& ?! a4 E. T, V - printf("\nAborted.\n");
% r! z0 [/ b% J- W( J - return 1;
& w$ L: O! W) E; ~ - }
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- if (writeparam(mac, stbid) == 0) ) U; A; P: h, s1 E3 g3 g
- printf("Parameters changed.\n");
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$ \" j: V% Z4 U5 C% }- return 0;
( S% _: ~+ B4 K( Y$ m4 V. c - }
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