本帖最后由 0522 于 2012-3-21 23:04 编辑 9 V$ h! n- p3 l1 ?; k) Z8 y
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修改的代码早有了。到今天不会编译。
# o% w0 G) h! w1 J' @1 C i. I需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
2 f3 f% C* V8 @3 A8 j+ G' ^" k9 r! N* h - #include <malloc.h>
: E1 _0 _% |, c" n" N - #include <sys/types.h>
/ P5 E7 ~/ Z2 p+ G3 B/ O - #include <sys/stat.h>& t k8 X+ c, \0 L( |# J( w
- #include <sys/ioctl.h>/ P6 f7 Q1 @$ H! K
- #include <stdio.h>
3 k% \" {$ B! k" p2 N; y - #include <string.h>4 z. _* L( }+ W* X3 t
- ; _- @/ \& [: T U4 Y
- typedef struct {" z! \, c1 I ^+ @ D# N
- unsigned int e2prom_cmd_sub_addr;
/ n8 H/ T, g8 }" L - unsigned int sub_addr_count;
0 g( O$ \+ N6 s - unsigned char* e2prom_cmd_data;
& |; ^* [1 G/ @0 a( }/ N; T$ c8 U - unsigned int data_count;
$ l4 T. d: l8 \) b. t% }8 ~ - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1! B" h6 w7 m. L- L0 K- u& H
- #define E2PROM_CMD_WRITE 2
4 Y- U) E6 H7 J# @( Q" D9 T - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
# h# P B( w9 r/ F, q& _$ N$ S - 7 |$ {8 e0 O2 m$ u
- static int readparam(unsigned char *mac, unsigned char *stbid)
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. \6 ~& i7 k; ~ - int fd, ret;3 j, V( _: n5 ~2 x- K
- e2prom_s_cmd arg;' M+ e# `" E# a
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
. m ^% ~+ y2 D; m - if (fd < 0) {6 \. l9 M9 f9 B: g
- printf("Device %s open error.\n", E2PROM_DEVICE);
' t3 l9 k4 s; J( R - return -1;
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- arg.sub_addr_count = 2;3 ~1 Q8 Y9 ^1 y0 l' X8 W# ?
- arg.data_count = 0x18;: v6 U+ Q& g& K+ y( Z
- arg.e2prom_cmd_sub_addr = 0x290;& {9 c4 P0 ?- n- |9 L; H# o
- arg.e2prom_cmd_data = buf;
: f& n, b1 l: O, t6 G: z6 g* ~3 A - ret = ioctl(fd, E2PROM_CMD_READ, &arg);: K" o4 A1 x' w) U9 h
- if (ret != 0) {
5 H8 r* K9 W8 D+ ~# Z4 l - printf("Device %s read error.\n", E2PROM_DEVICE);
; `5 j+ x. q% K8 r) I- j8 s - return -1;" }8 ]4 ]2 a0 x# L
- }
$ j4 g0 w6 x8 ]' y - memcpy(mac, buf, 6);! C t) i! N6 U
- memcpy(stbid, &buf[6], 18);
, }* h! x: Z: \, m! U - stbid[18] = '\0';
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3 q4 t7 s, } E, j& }4 d5 L; Q- return 0;6 k* Z" f2 y2 g. y; u
- }
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; n/ G. l6 j+ M# d# l- static int writeparam(unsigned char *mac, unsigned char *stbid)% u4 c% \( m q$ A/ Q" t$ q# _
- {
3 H/ Q2 y* Z" Q - int fd, ret;( e6 C9 b; Y2 K ?8 }
- e2prom_s_cmd arg;; R. V5 M6 f: _* U% E
- unsigned char buf[0x18];. Z1 U; y3 |% V$ r- Q* M0 D
3 m5 X9 l8 B# V+ r0 R- memcpy(buf, mac, 6);6 f8 ?, ^6 s$ ?, T: P) s' j
- memcpy(&buf[6], stbid, 18);
; r7 a- X; x9 {4 `' s6 j - fd = open(E2PROM_DEVICE, O_RDWR);
: Y, S7 D$ Q& u* C# Y - if (fd < 0) {
3 L9 O& {* F0 v6 n3 \4 |1 z - printf("Device %s open error.\n", E2PROM_DEVICE);* g: Z2 ^7 o- P% X: |. c
- return -1;) j9 J/ F$ ~8 ~4 k; X
- }
1 \. {& z8 L# i+ K - arg.sub_addr_count = 2;* X3 o' ]( s9 s) x+ u& W& i7 v
- arg.data_count = 0x18;" p3 T. |1 b, g- Y( O$ S+ a. d: l
- arg.e2prom_cmd_sub_addr = 0x290;- n5 M& A# l7 S& J2 C& c' M3 o# t
- arg.e2prom_cmd_data = buf;
$ o, n' g8 P; ?) V( u9 Y1 A( J, j3 I - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ Z% v4 ?0 A6 G% w7 g - if (ret != 0) {
F! e! p) D# C; E h - printf("Device %s write error.\n", E2PROM_DEVICE);
* ^9 o1 V2 D0 V5 h8 o - return -1;
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7 X" \/ x3 h& B" n4 t) h- return 0;/ \+ P) B) ~2 z* E8 c6 p( q9 ?
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- int main()
: D1 E, K1 o& n3 d' ]/ R - {
5 A- @( C3 C% C, ^. W& x* }2 U - char c;
4 o# j- g7 A5 s" O2 u - int i, macs[6];2 c, v, k# O* J3 X/ R
- unsigned char mac[6];
6 y# e0 o! v n - unsigned char stbid[256];
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% B5 A- j$ J) j! K ~$ N- if (readparam(mac, stbid) < 0)0 s: X$ R2 @) K# i
- return 1;
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7 p- q0 P* K1 R7 W( c5 e& T6 R- printf("Current parameters: \n");- K& g9 H4 B$ h' Q, R
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# M3 Z0 H! [; P - printf(" STBID: %s\n", stbid);
9 D( B0 I+ f% m) c0 K/ W; Z! U -
( r/ J; g% {' e; i - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ U! y: T5 c$ C5 q6 r
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 |! b% [8 ^+ _* A# r- v! e
- printf("Input MAC error\n");
/ I" G6 \/ W. i# y$ b/ c3 i - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
9 {+ W% Z0 ?4 v# {: u - printf("\nPlease input new STBID: ");
+ Y/ I3 p; ` Q2 I& I - scanf("%s", stbid);3 F$ q, u: V! o) q5 G' ~; d
- if (strlen(stbid) != 18) {- l3 d& c2 x1 V5 f6 e
- printf("Invalid stbid\n");
# W0 `/ U* d% |6 g! b# J - return 1;
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- printf("\nNew parameters: \n");
1 }* u: W0 D3 d% J! l - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) N- c8 V; ?" j5 H
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
1 c: W. ]* x6 K9 {3 q P' S - for (;;) {
: f( t2 u P1 t" {7 h( |$ {& U - c = getchar();
( m x, Y/ P4 s. c* A) h - if (c == 'y' || c == 'Y')
8 ~; _6 P3 K1 k7 [6 i3 ], d - break;
' Y! `! i/ B* W; }% t! F, F! y - if (c == 'n' || c == 'N') {
9 i+ ?( \: N) @/ ` - printf("\nAborted.\n");' \2 G# i! @# z: j' h; T
- return 1;
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- }
; |9 L3 y+ Z9 Z ^- \2 E& u - if (writeparam(mac, stbid) == 0) . V/ v3 |+ e* _4 ?$ E
- printf("Parameters changed.\n");
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- B3 S8 M6 F* `! c! E6 i6 Z3 R- return 0;
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