本帖最后由 0522 于 2012-3-21 23:04 编辑 ( m8 f4 P" h% P% _1 D/ } |
0 w1 [3 B- q, U修改的代码早有了。到今天不会编译。
4 z9 w8 r6 T( {! ^. H0 T% @需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
3 h( I/ o" l# X- B. }, [3 h - #include <malloc.h>
9 F5 W# w4 }% R- F1 u A* Q9 T1 A0 F - #include <sys/types.h>- i. O( K. t5 J, s/ Y
- #include <sys/stat.h>( S% ]1 d6 u/ N6 O \
- #include <sys/ioctl.h>
, c/ [- d; w: W. ^; P8 o& `! \ - #include <stdio.h>3 Q" b, C; N T& }# i- M
- #include <string.h>6 ?3 a6 p/ t5 V! q2 I( p
- ) Q0 |4 T5 [* d3 W2 L
- typedef struct {+ E/ R G; q' B) l
- unsigned int e2prom_cmd_sub_addr;* s7 Z, ^& _; Q* N% n& B
- unsigned int sub_addr_count;3 E: |# J" k: g/ K# d0 i
- unsigned char* e2prom_cmd_data;3 `8 n! ] z1 p$ O
- unsigned int data_count;
3 z( Q3 s. N3 p2 L! ~( r2 N - } e2prom_s_cmd;+ u) }7 ^' m: b Q9 H
- 0 `7 \. J- W# X% Z
- #define E2PROM_CMD_READ 1
+ j; i+ O( B* ^. i. I - #define E2PROM_CMD_WRITE 2
- c* z' m1 H( `; b# ]& u: z; u& f - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 u v( M: y$ n; H
0 l* u1 y S5 B$ [& v% N- static int readparam(unsigned char *mac, unsigned char *stbid)
% |: g/ g7 ?# L8 N - {
6 j2 \7 E+ |+ w$ o; X. M0 U - int fd, ret;
+ R% \* z8 Y$ W9 f - e2prom_s_cmd arg;9 G3 K# u+ D( W5 H
- unsigned char buf[0x18];
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6 c1 Y6 U9 c: o7 Q4 `- D- fd = open(E2PROM_DEVICE, O_RDWR);
+ X, u( H9 n% r, ^ - if (fd < 0) {
" ?! l7 s+ C# y# C2 V, _ - printf("Device %s open error.\n", E2PROM_DEVICE);
* W. T) `6 Q6 H: x k$ C9 h/ [) R - return -1;
; M4 d/ g0 ~8 {7 S; s2 t# { - }* d$ U# r- J$ Y U: J9 `8 k. ~6 ]
- arg.sub_addr_count = 2;$ O. n* d$ d- Q% |
- arg.data_count = 0x18;
- w* S; h& ?6 n- P. ]% \; B" d - arg.e2prom_cmd_sub_addr = 0x290;& N2 Z, J& g. j; S, [! j
- arg.e2prom_cmd_data = buf;1 B5 y- p6 D+ @& \1 \9 Q
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);, p4 j3 ]2 Z* n5 g+ q- C0 A
- if (ret != 0) {
2 o) u c @! [0 v - printf("Device %s read error.\n", E2PROM_DEVICE);
7 h5 T- p+ h) G- @' } - return -1;, B z7 c, C6 b2 v# d% j
- }! B$ Z& {; Q8 d" G
- memcpy(mac, buf, 6);
4 r3 l) N3 ~/ A& Z7 p" b* B$ O$ Q - memcpy(stbid, &buf[6], 18);3 V2 h5 r# `9 ^; w! w. p
- stbid[18] = '\0';2 g% R( G; D( V
% o7 [2 k8 L1 i5 i+ ~1 m b' \3 B" _- return 0;
9 R/ ]& `3 C( t: W. Z. n& F - }
% n8 ~, }9 k; m# |& T
8 _2 D0 ~" L/ B3 Y- static int writeparam(unsigned char *mac, unsigned char *stbid)( ~3 p \1 q. e+ j7 g2 {
- {% C3 M/ h- m3 o2 _1 _* l( U1 i
- int fd, ret;
6 ]8 y0 _; V- T; r1 C, T# g0 C9 a - e2prom_s_cmd arg;9 {! I* ^2 j! Z( j7 J- W! f" l/ m
- unsigned char buf[0x18];" j" g& w6 ~' q& `6 K
- ( U; `, {* t; m
- memcpy(buf, mac, 6);, C; a( ^( [$ a+ d6 L
- memcpy(&buf[6], stbid, 18);' j+ y$ s( |: J, ~8 ^0 e
- fd = open(E2PROM_DEVICE, O_RDWR);
9 q( z$ _, I) h# a0 l - if (fd < 0) {
2 p5 o- V( [8 Q' ^1 P: G% E - printf("Device %s open error.\n", E2PROM_DEVICE);
s' N( b: C) U( M6 t - return -1;2 E4 ^" [( o1 m4 K: r, I. l; [- N# ]
- }
& N2 o" n6 d* C9 Z- F - arg.sub_addr_count = 2;/ |2 F/ Z7 N2 k$ A {( X7 w
- arg.data_count = 0x18;0 j3 ]/ o; C4 D2 |1 C3 ? ?3 ^
- arg.e2prom_cmd_sub_addr = 0x290;* N$ _# z x( k. `1 }! B6 ?
- arg.e2prom_cmd_data = buf;+ ^. g* V" D q+ H, z- V8 {
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
* Z# z* g" I, f - if (ret != 0) {3 w9 _/ D- `& Q. ^+ y' q
- printf("Device %s write error.\n", E2PROM_DEVICE);+ q5 L$ H! S, c) @7 v
- return -1;/ p& i- l& H8 R- r; |, A7 r: t3 T
- }
; H- t7 x4 T* D
6 z, Q7 Q! r' B( E2 N1 {8 ]- return 0;
9 U' K3 @$ D) ~: f$ \ - }
( U& s! G- l) S3 I, s4 } - ; Z4 @! `( a6 o8 P
- int main()
1 U* {+ e& f( Z2 c8 Y; c, v - {' R H6 N5 n) I. r7 A v% {
- char c;
8 `/ f2 Q4 g8 R1 S" i6 L$ \& K - int i, macs[6];
+ |% w* |2 K% d: l/ A; P) Q! { - unsigned char mac[6];# _* N) ?4 a) b; _: H/ C) W
- unsigned char stbid[256];
* L: T: b+ O5 T- v; |! I( ^ _
3 I% F# p N4 s1 z0 Y) d: ]- if (readparam(mac, stbid) < 0)- T' H9 w% Z% v" J4 ^& B2 ^
- return 1;
. l% Q5 |+ c9 E0 D( z) w& V; w - 2 ~6 u a4 _2 s8 P1 O O
- printf("Current parameters: \n");
; f& l4 E6 Q. ]4 w2 u - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ q& P, Z% ]8 h8 z1 l' R# o% d' }
- printf(" STBID: %s\n", stbid);
: K% B; i( U2 O: Y" i. o - : r" c2 C' D0 X8 E5 t+ q
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 R" i' G0 P( E6 [
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
3 Z! U+ S' m, C8 d - printf("Input MAC error\n"); ?% u1 [/ |! ^' J* W) R
- return 1;
0 c# H& B% ]! z' @4 I - }
; q% X% Q+ h/ v7 [$ m - for (i=0; i<6; i++)mac[i] = macs[i];
, z- _# O& e3 W3 W h: i - printf("\nPlease input new STBID: ");5 r8 k2 T4 |7 {, K9 f5 t
- scanf("%s", stbid);9 c* h; @- O8 `' Y8 Q. ^0 f# `8 S
- if (strlen(stbid) != 18) {. u) ^3 n Z7 @5 a
- printf("Invalid stbid\n"); D1 j2 m% m' r; Q. B' V! k
- return 1;( b; v5 y9 k/ p4 i
- }+ ?& k( y4 n$ _' z; v3 M
- printf("\nNew parameters: \n");' o- q5 W! y' F- o6 Q+ f' L; }
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 {/ u" d* ^2 x, ^( [
- printf(" STBID: %s\n", stbid);5 B! B z; P" t* Y
/ k! x5 N9 D: A* [( g' ?! s- printf("\nDo you want to change paramemters? (y/N) ");( U+ m; e, d) W. ~0 H0 X
- for (;;) {
+ g/ k* p4 a6 I* u - c = getchar();
& V6 X. y9 ]: z8 v$ z6 v! o - if (c == 'y' || c == 'Y')
! m$ L- \. x& d - break;. H/ D' W5 P4 E+ q: P1 h( v
- if (c == 'n' || c == 'N') {
' }$ D" w7 Y/ d. A2 n1 S - printf("\nAborted.\n");
8 U% o, _4 P1 u - return 1;
& }( ?, F; _% n5 r. Y - }( t2 ^/ E$ j6 b+ W, X% O
- }
- B' o4 E& l+ n6 G# c, K - if (writeparam(mac, stbid) == 0)
# @# H, G0 x o. d% \ - printf("Parameters changed.\n");
$ Z( d! R' o& U/ M9 L* |: H9 T
1 B1 f; C: \2 l" v, r: O* b- return 0;- M* T2 q3 Z2 C7 }% M
- }
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