本帖最后由 0522 于 2012-3-21 23:04 编辑 & A7 @: }( ]" T4 U7 Z' B+ d
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修改的代码早有了。到今天不会编译。
) R. ~/ ~/ t( s8 e! x6 s需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>7 }1 O7 J/ ?6 d9 o7 ~# l& R
- #include <malloc.h>. [4 L# [- H9 g) b \. ]
- #include <sys/types.h>
; h8 {2 r1 p% _' v0 b' l+ H. B. ` - #include <sys/stat.h>- w! [3 F& }$ `9 f* ^4 F+ I
- #include <sys/ioctl.h>7 L: Y& b- L; }% e
- #include <stdio.h>
# m6 S2 B' P7 T$ G5 T- w% z4 L& @ - #include <string.h>
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' i+ J( U% J6 W6 T( u: u: S- typedef struct {
. W& h$ z( m" f+ K( O& R& b - unsigned int e2prom_cmd_sub_addr;
# n C T/ \/ ^* U2 k - unsigned int sub_addr_count;
i, ~$ U6 @ u! N2 y" T# w - unsigned char* e2prom_cmd_data;9 j! x8 u! H0 ?& |7 H5 a9 e
- unsigned int data_count;4 D$ S; \. J7 P+ T3 |6 `8 Q
- } e2prom_s_cmd;$ ?+ ]& V/ }+ w1 L+ o
- 6 c& Y+ X7 {6 @; d4 z2 S
- #define E2PROM_CMD_READ 1
& H2 d8 o2 G% a+ n) s% d0 [ - #define E2PROM_CMD_WRITE 2( i$ k, w; ^2 E* [" H6 r
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;- l2 D7 r& v' l6 f* f
- e2prom_s_cmd arg;- N/ c$ T1 `6 W8 c1 B! Y2 \' ]
- unsigned char buf[0x18];
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( P4 r; Y! z! v, C; f3 h- fd = open(E2PROM_DEVICE, O_RDWR);
2 m+ h$ [, \9 S7 d - if (fd < 0) {
/ }+ b! V9 a; U - printf("Device %s open error.\n", E2PROM_DEVICE);# @4 v/ Z# k1 l1 y- g2 {+ q
- return -1;6 u3 o$ I1 U: u' s# K7 ]9 t3 ?
- }
# N* o1 t2 ?+ O" V' e/ w: `6 f9 z. [" G" y - arg.sub_addr_count = 2;
9 C( ~% P& K9 a6 g, y - arg.data_count = 0x18;: U9 O" m" d, G W
- arg.e2prom_cmd_sub_addr = 0x290;& { m3 C6 b( H* Z% O1 n! ?
- arg.e2prom_cmd_data = buf;! x4 [8 I+ u/ v4 i* v
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);. ?* t+ n- X* y
- if (ret != 0) {7 B3 e" u/ `8 I; u
- printf("Device %s read error.\n", E2PROM_DEVICE);8 u1 Z; S7 K: j7 Y7 ~" J' p
- return -1;
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- memcpy(mac, buf, 6);+ X0 |, [4 U% u. _' `; t: o: h7 j
- memcpy(stbid, &buf[6], 18);
1 T# n" R! W( k# o; r5 E - stbid[18] = '\0';
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; A4 k9 L7 ~+ ^9 [- return 0;
& t- f' S% O2 t) C - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)! w* w, | f, g0 u, l2 R/ o5 C
- {
$ q0 I& F* p! @- j" {( P9 [# k1 d - int fd, ret;
9 Z6 b: s) C& l0 o: }0 _6 \ - e2prom_s_cmd arg;0 {1 C% r, g7 c: ]& a. ~$ t; s3 ^
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);) q* _2 z7 Y9 E/ d3 e
- memcpy(&buf[6], stbid, 18);
# g( a5 e6 w# O8 @& ^- l& Q0 V - fd = open(E2PROM_DEVICE, O_RDWR);
7 T. c$ q4 V7 a - if (fd < 0) {1 c* H8 N+ ]# r* A( c
- printf("Device %s open error.\n", E2PROM_DEVICE);
v( X, X# a/ n8 U$ f$ y7 m+ \ - return -1;
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- arg.sub_addr_count = 2;
# i, ^$ \0 w1 X7 O2 c5 J - arg.data_count = 0x18;
$ c; K6 ]7 h% Y& [% F+ ~ - arg.e2prom_cmd_sub_addr = 0x290;& f+ K" P N) |$ W D4 ?
- arg.e2prom_cmd_data = buf;
' X) m$ `5 q5 W3 | - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 O: M" J. A& R! S - if (ret != 0) {/ O9 G/ @; P0 e q4 N3 Z( M
- printf("Device %s write error.\n", E2PROM_DEVICE);: x9 u2 i* K1 y/ `
- return -1;
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- ' A6 ^$ I x% ?2 J& A; R& X
- return 0;
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- int main(): Y0 l7 m0 G* V
- {) E% T; v4 ^* t; Z$ P* L: Q
- char c;
$ n' F0 h" m; M+ \7 Y: F$ b - int i, macs[6];
% G% k. n/ \( t, o x( o - unsigned char mac[6];
0 S& {. u: ^7 W5 U5 w' a5 ~ - unsigned char stbid[256];: R' Q, M3 ^( U, o4 B8 K) B# ?
9 @* Y, _1 { ?# J) p( f+ J- if (readparam(mac, stbid) < 0)
9 U$ H( G$ `( E6 N0 j, Z% g2 \ - return 1;
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- printf("Current parameters: \n");
* E f4 f+ e; ~& Q# ^3 z* F6 S7 A( _% N - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 |! ^. e Y, R9 u; I1 D - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
. H" L% K, I# S5 \9 Y/ z* O: O8 | - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {" H6 _8 A- @% h4 f3 s# `) h
- printf("Input MAC error\n");# m5 f* q; ^' f( D# @
- return 1; q3 B1 e9 r( T1 S5 H, _
- }( m2 y. u9 Y. X% z# b
- for (i=0; i<6; i++)mac[i] = macs[i];: z! ]2 \6 d. \; n2 A; E5 Q$ H
- printf("\nPlease input new STBID: ");. y- f0 r4 e% G" A9 g9 @& @
- scanf("%s", stbid);% q2 \ \( B7 n+ \" n
- if (strlen(stbid) != 18) {
9 \* W' ]" S2 Y1 _ - printf("Invalid stbid\n");# P: S+ A+ m9 g/ e; o6 L
- return 1;1 E+ m5 R. a8 ?! l8 i
- }1 D. I+ X( f7 T" M3 `
- printf("\nNew parameters: \n");
" x; v3 _5 y' [" E; v' P- v - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 P9 v0 N3 f% O! \1 _' N - printf(" STBID: %s\n", stbid);' U ^9 c* c* o- u
- ; k8 G+ J! b2 a: g. h- m" {
- printf("\nDo you want to change paramemters? (y/N) ");6 h: u. k' ?0 O
- for (;;) {$ i2 v2 g \- k f$ }/ t
- c = getchar();& p- x* E$ e+ Q2 E
- if (c == 'y' || c == 'Y')
I _$ d G, ^7 K" Q - break;
6 W4 X& S g# Z5 S/ N# _& _2 D! W - if (c == 'n' || c == 'N') {
0 T: [1 z! o) d8 U3 u4 N' G8 G - printf("\nAborted.\n");% q5 a5 I# ?& g3 U2 i6 b3 Z: S
- return 1;
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- if (writeparam(mac, stbid) == 0) - X4 J$ v2 V4 D1 u( z& U2 p
- printf("Parameters changed.\n");
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- return 0;
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