本帖最后由 0522 于 2012-3-21 23:04 编辑
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" R6 Q& U8 m7 k, b' J: ~3 s( P修改的代码早有了。到今天不会编译。9 s& G3 p5 R( e) Y$ Q
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
( I% j, x# B6 E2 { - #include <malloc.h>
: s! ? M2 E4 E0 K2 e* O) M - #include <sys/types.h>
) u) i5 L! {# N( V5 p' c& E - #include <sys/stat.h>+ e% Z, W$ j4 l4 `& h- G$ {
- #include <sys/ioctl.h>
" V) x9 O5 S& X( j1 `$ Z - #include <stdio.h>7 }- B+ c$ N+ Z! T3 Q7 H, n
- #include <string.h>2 l2 c( p+ Z8 S! i$ P
0 n! E8 |4 ~( N/ O$ {- typedef struct {
6 A* }/ Q" J9 p5 ?/ G* U - unsigned int e2prom_cmd_sub_addr;
8 I" F# I! |* a- p' c - unsigned int sub_addr_count;
: N0 S! ]1 i& }* T* W - unsigned char* e2prom_cmd_data;6 |0 x/ i& [% m0 }: r% P; c
- unsigned int data_count;* W( {! T+ T/ j, S' `- k7 B
- } e2prom_s_cmd;4 M3 j3 z' `' ]; [1 ^. f2 B/ s
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- #define E2PROM_CMD_READ 1
/ b3 ?: ^, o6 L) @ - #define E2PROM_CMD_WRITE 2! ^, o2 M7 s. H3 _
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid) ^' u9 K. d4 {. x T
- {
& V9 G2 Z7 Z' B- y, b - int fd, ret;6 ^. H% T) ]8 }' R9 @
- e2prom_s_cmd arg;
: x7 q b" P& Z - unsigned char buf[0x18];& I: q5 G0 }0 Y! ?$ P9 V
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- fd = open(E2PROM_DEVICE, O_RDWR);
% |# {/ h2 {8 }9 W( j% J; h# Y - if (fd < 0) {) S! \4 z) E5 l# I0 N
- printf("Device %s open error.\n", E2PROM_DEVICE);# V1 x5 N6 i: V" `- u
- return -1;# q/ Z1 b, h- Z( f2 z" |% q
- }
* q$ u) T6 {/ r" Q - arg.sub_addr_count = 2;9 T0 M7 ?) `! T6 F/ v$ l5 Z. G
- arg.data_count = 0x18;) a0 ]5 h6 {: |1 M
- arg.e2prom_cmd_sub_addr = 0x290;
' c& F. P/ q! f I2 Y! c: w - arg.e2prom_cmd_data = buf;, d) z# o1 k* Z! u' X9 u; e
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);( F( B3 C9 K# p; O, V- z* I. v0 c
- if (ret != 0) {
J: |( _& O! i - printf("Device %s read error.\n", E2PROM_DEVICE);
# W6 ]; {7 n# d" t2 @ - return -1;
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- memcpy(mac, buf, 6);( f4 Y+ ?% R- R7 J" O" F+ V
- memcpy(stbid, &buf[6], 18);
! F; I' F8 T: t - stbid[18] = '\0';- @+ M3 d. ~/ T% u+ A1 z( R8 l! T6 E
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- return 0;# D* g( }6 \/ I& F
- }
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, g& c: \$ v) y" l5 N4 K2 }& u- static int writeparam(unsigned char *mac, unsigned char *stbid)
( P5 G" e2 G- a% s1 b) ^ - {
+ V) D+ Z9 H. {! |+ { - int fd, ret;6 {$ e0 T$ x8 h. Y, G, N% x5 A
- e2prom_s_cmd arg;3 O) G5 c) D/ D8 A( n
- unsigned char buf[0x18];
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! l d/ m% V1 E2 }- y6 ]3 [- memcpy(buf, mac, 6);1 t- w" U& z$ U* g/ D
- memcpy(&buf[6], stbid, 18);9 ^7 }/ a6 M4 Q5 u( h
- fd = open(E2PROM_DEVICE, O_RDWR);' x' r% ~) \" o0 i
- if (fd < 0) {1 f B/ t0 _+ Y# @
- printf("Device %s open error.\n", E2PROM_DEVICE);3 [: y3 J$ j1 m5 f5 \0 j; v/ t
- return -1;
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- arg.sub_addr_count = 2;/ P4 C8 ?/ o! `
- arg.data_count = 0x18;
+ y) l8 ^+ O4 _4 t: H6 I - arg.e2prom_cmd_sub_addr = 0x290;
; Z/ k3 P: W2 K7 ? - arg.e2prom_cmd_data = buf;# S, f# ?& P9 Q6 o3 }
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
- z; z" X0 h5 O( C# X - if (ret != 0) {! X7 u. R7 t7 G! {. [" q0 K
- printf("Device %s write error.\n", E2PROM_DEVICE);
8 M! k5 Q7 Q2 {1 l. q# } - return -1;
" l: Q) e( P2 J$ H {3 D - }
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* w( j% d U' z: ]* D( ~- return 0;
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- int main()) Q+ g l! o. }2 Y& n8 Y* ?: x: o
- {
3 _& u* g7 |4 w" g, u- n - char c;
# t5 Z5 V# b$ y7 G - int i, macs[6];
S# @7 o; z0 L3 J5 \8 E' \/ u, F - unsigned char mac[6];8 g, L6 y$ J* _) |8 K3 d9 _
- unsigned char stbid[256];; a3 Q; M+ k ^- B4 s3 b" ~5 f1 B$ G1 S
5 @) ?3 e2 a/ W# e* b) n6 N/ z- z- if (readparam(mac, stbid) < 0)" E9 Q& Z8 `! L* _6 T$ z4 R" n; u
- return 1;$ \& \9 o" } i3 r
5 b# S( M" O6 ]3 K- printf("Current parameters: \n");
2 k4 l! a/ V# p) u - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 I, m& B0 {+ p3 d/ d0 h
- printf(" STBID: %s\n", stbid);% W" [2 I* O. u# g6 P' ?3 @; ?' w7 O
- ' R7 ~8 v$ { L$ ^5 I7 A
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");9 h; L; e; q% ?4 H
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {# y R' f! r+ Z+ j& y* N' _6 {7 g
- printf("Input MAC error\n");
/ ?8 q4 Z+ P6 {+ n- k& e; Z/ z - return 1;7 m* G9 `1 E# ~0 V9 z+ u
- }) p& j. `' A( s- U9 E0 o
- for (i=0; i<6; i++)mac[i] = macs[i]; F. B" D9 o2 ^- A( D9 Z" [6 l
- printf("\nPlease input new STBID: ");
6 K0 A, V- v N, A c - scanf("%s", stbid);/ V4 z j T- {7 {/ S4 `/ S* l
- if (strlen(stbid) != 18) {9 G4 e0 F' h+ `) e
- printf("Invalid stbid\n");% q+ S: `% ~) Y) c/ X
- return 1;
/ N; F! q3 [$ C' F - }
6 b& i) x: f, w5 m# U( e5 l% h9 T - printf("\nNew parameters: \n");! h w6 ]3 z) S9 a
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); c$ H+ _' ~- Y P/ h5 e
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");3 [; Z( s; ~4 M7 Z3 f' O
- for (;;) {
$ q/ `5 o; W- {0 h# { - c = getchar();$ |# D" ]( m$ C
- if (c == 'y' || c == 'Y'); c1 a# a4 v! n1 q1 a0 _5 T, h
- break;* m5 v+ O3 p p. b
- if (c == 'n' || c == 'N') {
2 ^! T8 d7 ?" a5 ]0 w7 H. V) n - printf("\nAborted.\n");! Q4 n+ h" g: @# R' Q$ x' q
- return 1;
' N& r& u: j5 ]' I9 u' Z' v - }
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- if (writeparam(mac, stbid) == 0) & q% K7 o" V& N- Z
- printf("Parameters changed.\n");" c/ u5 R ^" c. A" _: b3 [
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- return 0;
& x1 f9 Z- o* a$ A& \8 p - }
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