本帖最后由 0522 于 2012-3-21 23:04 编辑
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3 r6 z' y' i5 M& m% G* p修改的代码早有了。到今天不会编译。
( _. ?+ V5 d9 J# S/ }" m9 `需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
) p5 c) q& b' ~ - #include <malloc.h>
) q7 ^" Q! ?2 L; K1 s+ b" n4 J" p - #include <sys/types.h>
2 Z9 F' E4 O6 p( S7 ?) g8 Z/ O - #include <sys/stat.h>
3 ]/ J' |2 h7 ~( K( h) I - #include <sys/ioctl.h>- [/ f0 T# Y% t+ c
- #include <stdio.h>
% G& Q r8 P- K% {/ S/ p - #include <string.h>
6 {2 ~% _6 s7 g6 V3 b$ T/ c A) ` - ( w$ J4 ]- Q! ?. G0 m; A( |
- typedef struct {
) l$ P* a0 c/ j9 Q x% _* Q - unsigned int e2prom_cmd_sub_addr;
# X `3 J6 S+ X - unsigned int sub_addr_count;6 B( P: Z+ s- E+ C
- unsigned char* e2prom_cmd_data;$ i& c2 f( h& Y0 F. [5 E% H8 O
- unsigned int data_count;
- S3 l9 N- B* g% O! j' o - } e2prom_s_cmd;
% F) r% [7 z( h6 V; b - # h, V& W, K0 s1 G6 q( r
- #define E2PROM_CMD_READ 1
, Y/ j: n4 Y" C' U6 j+ {% J- g - #define E2PROM_CMD_WRITE 2( n ?) \' H6 |6 E' i7 w6 B
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)) ~( i3 c, J" v& Q5 Q# Y- l
- {4 g' l- n4 [0 ]. K1 A* d6 T
- int fd, ret;* R) I3 j r7 S2 w# P7 S+ ~, j w
- e2prom_s_cmd arg;
# h7 X& }' Y3 W0 Y/ q# t( F9 ~ - unsigned char buf[0x18];4 k) n4 b! g* f* J Z" D
- ; y ~+ K& f" k: b* W/ G1 V
- fd = open(E2PROM_DEVICE, O_RDWR);8 ]+ U' g* j' O/ @/ L) m
- if (fd < 0) {! f" G2 ~% ? Q* a" ^8 U
- printf("Device %s open error.\n", E2PROM_DEVICE);6 O$ v5 @$ p9 I( r& X
- return -1;
B- G. u# G, |3 s - }
2 n9 S+ D$ p8 v- @6 J - arg.sub_addr_count = 2;) ^: H8 v M! Z* s( ]
- arg.data_count = 0x18;
1 z; N- q6 W: m4 M6 m1 {/ ` - arg.e2prom_cmd_sub_addr = 0x290;3 G+ [- s. |2 \3 x6 g1 G; Z
- arg.e2prom_cmd_data = buf;2 Z u6 g9 X [% w, W/ O! c
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 M& O6 z! f. i% v! T - if (ret != 0) {
' a9 I, }' w4 N2 v; s# w* X - printf("Device %s read error.\n", E2PROM_DEVICE);
( e6 w4 C+ H l3 `% ?/ h+ w - return -1;
8 x. u! x7 ?# [5 \& ]. k, @0 _5 l - }
0 @) L( c& t5 K5 J3 R - memcpy(mac, buf, 6);
5 x. H) c0 I+ g& D1 ~% Q: _, b - memcpy(stbid, &buf[6], 18);
8 S" [% L& c1 c! W. p: v: D# x) V - stbid[18] = '\0';( i4 d9 N# P5 }
* G% }# ]" Y( B- return 0;0 d/ u9 _2 c4 z: _: ~! H) y3 a+ m
- }
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+ C2 Y. P* r7 H0 G% y0 o% p- static int writeparam(unsigned char *mac, unsigned char *stbid)
# A# z2 W, J4 r2 X' g( _# p - {
F# @. A7 C" O1 y: u - int fd, ret; a* x$ Z1 u) O6 a2 w
- e2prom_s_cmd arg;
% M$ u9 j- b3 R L( F& o2 p3 L - unsigned char buf[0x18];3 e) j% |& p f) S, _
- - F5 w) \8 ^7 g$ G/ H \0 C7 y
- memcpy(buf, mac, 6);
' }/ @- t4 u9 d% J+ E - memcpy(&buf[6], stbid, 18);( U( u2 f4 X/ Q/ h9 ?% Q
- fd = open(E2PROM_DEVICE, O_RDWR);
$ T' v1 s; M! s1 m3 O. W2 J - if (fd < 0) {
- {3 t# J$ @" U$ I - printf("Device %s open error.\n", E2PROM_DEVICE);
2 F5 C' c0 v e0 {( [ - return -1;) O) L. W% i7 }7 R/ ~
- }3 [9 } G" s; d+ c5 C6 M4 ~% F$ t
- arg.sub_addr_count = 2;5 O4 @5 Y1 n c( e( ]" M
- arg.data_count = 0x18;
9 J+ c# t" h; |3 r6 n - arg.e2prom_cmd_sub_addr = 0x290;
% \- X6 F D4 c - arg.e2prom_cmd_data = buf;" h- c- u) d0 K9 X9 p
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);# }( D& N. W5 T& T( n$ P
- if (ret != 0) {
, z: D9 e& L# t) ? - printf("Device %s write error.\n", E2PROM_DEVICE);; z0 e! K+ W% ]/ E6 o
- return -1;. x A! q( p7 T* d8 q2 s6 @
- }1 R y% d/ @- m7 n% z& r
- 1 d9 g9 j3 `1 r( a
- return 0; J8 j# X3 {) Q) `) I8 E- V( @
- }4 ?8 g% ?. O+ R
9 \8 N6 b0 k; `; Q% d4 t- int main()- i% }7 A9 L; e7 w- g) X6 l( s0 e
- {
8 A, k7 G0 B$ m3 ^ - char c;
0 r6 H' g `& g% V9 n. D - int i, macs[6];+ z: k8 ~4 r3 V, w+ R
- unsigned char mac[6]; s% f9 v7 T* Q3 c# a) C! S1 z
- unsigned char stbid[256];& z' v& W9 [, a% j
- ' W( I2 H8 [# u# E/ n3 V" Y
- if (readparam(mac, stbid) < 0)
$ }7 C4 B, R5 d9 B0 b6 R" N - return 1;
# V/ s( l0 Z4 C; ^, n" l) N1 ~ - / y8 I" d# E' b: u$ @
- printf("Current parameters: \n");
/ G$ o5 g( |! Y8 y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" `& |/ `4 C+ z# p3 G2 R9 b
- printf(" STBID: %s\n", stbid);
" @6 f5 n# X: F) ~: C -
& z( J( h' _% ]$ z - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
2 O; T+ l5 y. x, r$ ^3 H - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 \. Z$ [" U: J' |6 ]! C- ?4 ]% `* v2 Z
- printf("Input MAC error\n");# `1 q; `: w( M$ G& ^' f
- return 1;1 `5 Y; K$ E& q L& s o5 b x
- }0 G9 R' a. d% v$ v3 q
- for (i=0; i<6; i++)mac[i] = macs[i];8 }# t2 \, ~& B6 F i
- printf("\nPlease input new STBID: ");3 b/ e8 M; J$ K R$ @" j
- scanf("%s", stbid);
0 R" }5 N( \+ N9 m o K. G - if (strlen(stbid) != 18) {' e, l. L" d' E, F% @# h# s
- printf("Invalid stbid\n");- E5 B# O3 c4 X& q* ^) V" D& K
- return 1;
" c% `* F- X& M) ~ - }* m' D3 y5 B$ T r! W
- printf("\nNew parameters: \n"); g( O" r8 |+ ~# \; [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ O' X4 s+ Y1 q4 V7 b - printf(" STBID: %s\n", stbid);0 D: _* U# R. l+ p4 y+ _
- 8 z) ]& G/ X/ }6 r
- printf("\nDo you want to change paramemters? (y/N) ");
" _1 F8 ^7 E1 G- f$ ` - for (;;) {3 ^1 x5 z: \" V
- c = getchar();6 v" A/ x& ~7 x( o1 z$ x$ Y
- if (c == 'y' || c == 'Y')
4 F7 ^$ T( N4 K: P' p - break;* Z0 ~4 V) T, F7 m/ |; T' t
- if (c == 'n' || c == 'N') {2 F1 Z" v/ J$ W4 R8 a) k$ V
- printf("\nAborted.\n");
! b/ O. \8 Q4 O2 h V+ c6 w - return 1;
1 M" H3 j4 Y3 A2 i8 G8 r - }
8 X: V; R" C1 b - }
& f9 i5 f: j" _, ?' y2 ?# N - if (writeparam(mac, stbid) == 0)
" b4 U% A& H5 ~ - printf("Parameters changed.\n");+ z( j3 _; K2 F3 I
F8 ]& i% X+ f l- return 0;- ?- U. v" W) p
- }
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