本帖最后由 0522 于 2012-3-21 23:04 编辑 0 A: y" w. A+ s6 }
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修改的代码早有了。到今天不会编译。
* Y# W' l* r: |4 ^/ L8 S. q8 K. x需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
' {& d" X- p: F2 n$ I" y - #include <malloc.h>
" W$ W5 T( K! _; Y - #include <sys/types.h>
; |- I i3 k2 ]' { - #include <sys/stat.h>" f% L) g* T1 C! C- ?
- #include <sys/ioctl.h>
4 W4 G; g3 ?6 I1 Q1 f: r' b2 H3 O - #include <stdio.h>5 N/ l/ ]; l5 m. r
- #include <string.h>
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* {( @$ H' n. s Q) d, }' l2 J+ k- typedef struct {5 g& K2 i; z) X
- unsigned int e2prom_cmd_sub_addr;& x8 n! I& p! B
- unsigned int sub_addr_count;2 j2 k0 e6 m5 |: ^$ A) b
- unsigned char* e2prom_cmd_data;' V& {- g1 p& Q
- unsigned int data_count;( c! n9 W* l" j# z$ x' ~" L
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1% N% d% i: j% @; e7 X
- #define E2PROM_CMD_WRITE 2! n# H9 G- t: K9 X5 Z
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"- m' n \# [# z5 [5 D% l
% y. R1 R* Y% B: P6 J3 }0 i/ `- static int readparam(unsigned char *mac, unsigned char *stbid)
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+ ]$ c; V$ |+ j3 Z$ a% t" }! {' n - int fd, ret;
! X0 v- e: j4 T8 w - e2prom_s_cmd arg;
( m% E- M8 J8 J8 n I0 O/ w - unsigned char buf[0x18];, i) L+ y7 d) V4 f
0 ?' W% ~7 t' f# Z# |. E' Y; d- fd = open(E2PROM_DEVICE, O_RDWR);$ N! |6 v1 b2 i3 V
- if (fd < 0) {) q! j; E% W# H+ H( s
- printf("Device %s open error.\n", E2PROM_DEVICE);% v0 m% a( r! e& a
- return -1;" e7 Z( I* j+ j6 L( W2 B3 z
- }
) s+ j" S- n! m! u1 [ - arg.sub_addr_count = 2;
; H" x2 F* |1 P0 G9 M9 x$ i - arg.data_count = 0x18;
( G t' @# K- [# o$ l. E - arg.e2prom_cmd_sub_addr = 0x290;
, R& m3 U2 E0 l/ [( n( `4 ~ - arg.e2prom_cmd_data = buf;3 k1 e3 x2 }2 O; K2 u, I7 }$ i
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
6 S! O! U4 ^' ? - if (ret != 0) {% |* @! A+ p& \. l
- printf("Device %s read error.\n", E2PROM_DEVICE);
( T) j9 M: d& v) D: w' x - return -1;
3 |5 P3 K; b+ o7 ^7 `5 s2 B8 q - }
- }- q4 _6 ?" y) x$ A+ v7 m - memcpy(mac, buf, 6);
; g- H, ]9 X2 o" R; E - memcpy(stbid, &buf[6], 18);3 R; {9 v. ~# u# j' y5 Z
- stbid[18] = '\0';
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1 A5 z$ N$ [/ L7 V5 |" U- return 0;
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8 h5 y0 W. r9 g" ?- static int writeparam(unsigned char *mac, unsigned char *stbid)
4 V' X& O, n2 e5 e: A - {
2 }5 X8 o4 {; g - int fd, ret;7 E- R* k! a" L a+ N
- e2prom_s_cmd arg; ^& K1 z( T2 l/ k& o6 n, i
- unsigned char buf[0x18];* |% d7 m5 p3 X4 J5 Z
1 a6 M0 Z% [8 X* [6 ^, I- memcpy(buf, mac, 6);2 O, U0 A3 _2 O3 q
- memcpy(&buf[6], stbid, 18);/ d b" [; M$ \9 q8 c
- fd = open(E2PROM_DEVICE, O_RDWR);
! F/ e3 h. \% ^+ {& j - if (fd < 0) {* k) b V2 j$ K' j; W7 Z8 S
- printf("Device %s open error.\n", E2PROM_DEVICE);
/ ]: ^# ]) {4 G: T6 j! t - return -1;
+ a) g8 Z: m$ _9 x7 K - }
/ P( q/ n8 y$ a+ P - arg.sub_addr_count = 2;" l! u8 r% S9 v+ n" N9 I
- arg.data_count = 0x18;
/ _4 K3 Y* o: X4 \7 p( x# s1 } - arg.e2prom_cmd_sub_addr = 0x290;6 H; H2 H6 ^: e: ^% p, d6 h
- arg.e2prom_cmd_data = buf;( A. d0 E/ R$ t9 S d
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
8 b9 E3 z6 w/ N& |! k - if (ret != 0) {
; v6 E, U* t! C, D - printf("Device %s write error.\n", E2PROM_DEVICE);, D4 P7 j2 g7 c% \1 w3 V J4 V
- return -1;, D: V$ m+ Z" W1 q
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- * r$ `2 Z, \' ~, C$ E
- return 0;. M0 u1 z# w7 S. X/ p, F+ J
- }
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- int main()1 O' V* l" Q4 b: P4 J' M e
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- char c;
( S, D# F4 k# ^* N b7 { - int i, macs[6];
+ Q \1 ?0 R1 t) o - unsigned char mac[6];( a! v+ T5 X9 t# H+ }
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)2 `1 `; q5 P$ O; ]3 y9 B+ @
- return 1;
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; a4 ?& O4 r# E- printf("Current parameters: \n");' h6 |" q* q0 k) O
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. t& M2 V( P$ n3 G1 Q
- printf(" STBID: %s\n", stbid);) E3 w$ N+ q- V4 u
- / P! n8 x3 T* r' b6 j
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: d( {! t# ^ P [ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
1 S3 X+ ]$ f2 z' K5 B( N! t7 i$ T. C* ^ - printf("Input MAC error\n");" V9 ^1 d" L3 {
- return 1;0 Q/ P& I$ ^3 ~, x, P
- }
; z* ^0 L2 Z9 }4 W9 b( t - for (i=0; i<6; i++)mac[i] = macs[i];
( ?+ c* t2 u4 m7 Q$ a& L - printf("\nPlease input new STBID: ");) N' M) ]$ z, s
- scanf("%s", stbid);
0 r8 R2 I7 N/ B$ l# a0 S - if (strlen(stbid) != 18) {
) {& q! z- R% D- O; e- D# h - printf("Invalid stbid\n");
5 @8 T; J3 k! R - return 1;
6 Y; j3 _, T7 H* ]; V - }; p, G. _* e3 g' e4 X9 F) Y) Z
- printf("\nNew parameters: \n");
7 ?9 q) ~. T+ C. y5 E$ x2 f - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 i% Q. z1 B: d/ P( k
- printf(" STBID: %s\n", stbid);0 j, Y% M# P5 k7 E
3 o) F6 N7 W: R8 E" ~( r% B3 b! f5 q- printf("\nDo you want to change paramemters? (y/N) ");0 M7 M8 n4 f4 s1 K
- for (;;) {
) b1 O$ P/ x9 q* Q - c = getchar();
& }# D0 e' h1 b' h* v" [( q( y+ i - if (c == 'y' || c == 'Y')2 E/ q6 W% {3 g' m0 y
- break;
) D0 C* W( s' W& r4 e - if (c == 'n' || c == 'N') {; E3 A! @3 i4 h! X; g
- printf("\nAborted.\n");3 g4 Z% [9 X" N/ M
- return 1;" p+ L; o! Y9 V8 c
- }
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- if (writeparam(mac, stbid) == 0) 8 I7 s& ?/ }) m; o* e: w
- printf("Parameters changed.\n");; K8 V0 G z7 j. f; K. Z
- . i9 Y# v$ n, t- u: Q4 q/ V: l
- return 0;
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