本帖最后由 0522 于 2012-3-21 23:04 编辑
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, j; A) b5 j6 T" D8 `6 b& v, U7 K修改的代码早有了。到今天不会编译。
2 I1 v6 }' R' E- ]- A9 `需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
3 J, |) ?) \! y% Z - #include <malloc.h>
1 [( e' Z: W! k0 J - #include <sys/types.h>
: ~+ B8 m( N4 A# V. I) |. R - #include <sys/stat.h>
3 e% x; p; i( L) p! H+ V - #include <sys/ioctl.h>% S! Y- { j/ B, y7 c
- #include <stdio.h>
5 i$ W" B$ Z2 l1 U: e# K% B! D - #include <string.h>
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$ ]. w: B2 {. N; R. ?8 U; f; [3 j- typedef struct {; ]3 E. `$ Y9 h( J/ j2 o3 J
- unsigned int e2prom_cmd_sub_addr;: u) T# k4 ^* t* |- f% p2 q
- unsigned int sub_addr_count;
- p7 a8 }+ @+ Q - unsigned char* e2prom_cmd_data;
% S( e, `- b# z! `5 }, ?+ c3 ]7 z - unsigned int data_count;
8 `+ x8 i y3 H$ j k# K- {! c - } e2prom_s_cmd;
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5 l7 l1 z: v( Q. S; l: d- #define E2PROM_CMD_READ 1
# O1 o4 O! I9 a+ L6 @* H6 {9 Y* h# N - #define E2PROM_CMD_WRITE 2
, w# B6 D* W' K J6 q - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"7 r- h/ ?6 }1 }% n
! M H3 h" N% W: \- static int readparam(unsigned char *mac, unsigned char *stbid)! M) q% _: h6 V' Q
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- int fd, ret;
; S9 B6 s: X6 ~( ~* [# x5 F3 P - e2prom_s_cmd arg;
) ]" l) F; K, `7 {- ? - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
" ]# A, {+ M" N; J - if (fd < 0) {2 R3 l. G7 p8 g6 I
- printf("Device %s open error.\n", E2PROM_DEVICE);
* J( T5 z! I5 b6 _ - return -1;
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- arg.sub_addr_count = 2;
6 L! \( w T4 h$ t0 Z - arg.data_count = 0x18;) ^' u7 ]; p" q7 _$ E
- arg.e2prom_cmd_sub_addr = 0x290;
0 C. H. [5 r9 |3 n) U; }7 U* _ - arg.e2prom_cmd_data = buf;
% i$ u m+ Y( d" @# x/ E - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
) N ^$ }) R: Z7 u - if (ret != 0) {+ ]' y F: j. U$ t+ [6 s3 T6 w
- printf("Device %s read error.\n", E2PROM_DEVICE);
: B T, f8 B: x/ J/ y - return -1;
4 \" j% r) F' `8 v: `8 Q6 a' z - }
/ [ m& A0 {6 T! P1 P/ G& F - memcpy(mac, buf, 6);
2 T# r+ ~! Y: o - memcpy(stbid, &buf[6], 18);4 |: R9 m$ `+ t% {
- stbid[18] = '\0';' ?' d: x9 T) _) f
8 l, ]! g" x0 W% M9 H4 R4 X- return 0;/ l# m" l8 S+ \$ H2 V
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- 5 h4 f& f% t3 x3 v; e! q
- static int writeparam(unsigned char *mac, unsigned char *stbid)* g0 d& D( T+ Z
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- int fd, ret;
: M) D: k+ @0 S0 c: U9 L3 ~0 r* F+ X - e2prom_s_cmd arg;4 _! K: [9 Q- K$ b) |8 r$ J2 k
- unsigned char buf[0x18];7 @- C" g9 h% H1 D5 z! \. k( F
- ) C) g# { c* A; b3 E
- memcpy(buf, mac, 6);
# c s9 E4 L& n/ f, y& L - memcpy(&buf[6], stbid, 18);
! \" ^3 f$ ?7 r& }! s, i7 X, l - fd = open(E2PROM_DEVICE, O_RDWR);$ b4 }% X1 a- |) F4 q- h
- if (fd < 0) {8 `! F" G' S0 T5 l: w4 B2 K( A& F
- printf("Device %s open error.\n", E2PROM_DEVICE);* q+ t0 E N5 R3 ` M
- return -1;
7 y# n2 j) ~7 L3 L n- @2 ` - }
3 p u3 W' C: r1 o0 J" F. O( { - arg.sub_addr_count = 2;
9 H. ]4 ~5 t* }# X% D% G7 w - arg.data_count = 0x18;
4 H, g) S; f3 u: L5 Z! k0 G - arg.e2prom_cmd_sub_addr = 0x290;# g4 S# B5 P1 B [
- arg.e2prom_cmd_data = buf;( P% t M, p, Y, [' X# o* G: a
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);: r2 x. \+ O/ X* z8 b
- if (ret != 0) {
5 |3 `% Z( V7 [+ W& B - printf("Device %s write error.\n", E2PROM_DEVICE);
/ Z: k' l% V- D' i" k - return -1;7 v$ ]- X* |! ]/ e5 \8 j$ ~1 N
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6 @7 J5 T+ B: u# W0 }6 y3 I- return 0;* ^5 M/ P9 l G0 @& J/ X( q. R
- }
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- int main(): L; M8 J5 ~" b$ u2 c: [
- {: u W% b# I+ L- }2 V
- char c;) g% F! ^4 n8 Z4 l! v- J
- int i, macs[6];4 E( Z# w+ X3 W. a) |- j. L& O
- unsigned char mac[6];
7 \7 j; U) O& ^" P; k' N5 K - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0); g7 M6 Y6 X+ a6 A; f
- return 1;
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7 i: q! A4 U/ v6 S- printf("Current parameters: \n");) W( B% \8 m' }9 Y9 w! y, t. r
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
Z, ~! m. M! X7 u: N3 R+ q4 w - printf(" STBID: %s\n", stbid);$ V' P6 _: V: `2 G, G1 @
- $ l: @( j/ o: h, u. {5 N
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
; ^( S- `1 M# d; U8 e* B( n - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 y% q" v2 h( ~& R2 Z7 k
- printf("Input MAC error\n");) B( l4 o' P: g2 x% `6 k
- return 1;* s! R6 W* d5 `9 x O4 I; c# w
- }
+ l# H* a3 z1 p' A" p$ Q1 q: ~: I5 ^ - for (i=0; i<6; i++)mac[i] = macs[i];
0 z' k2 _: D7 m, I; j( b - printf("\nPlease input new STBID: ");
) u+ V7 A# z! K2 n( w - scanf("%s", stbid);
' @. }1 g. [ ]" O6 C3 R$ z - if (strlen(stbid) != 18) {: N8 v0 b& m- F8 Z" u8 I
- printf("Invalid stbid\n");' V/ j- @% ]* t6 o2 B
- return 1;
5 c; R& p8 Q8 L - }
+ R: q1 e/ s4 `4 B* B- S( Y - printf("\nNew parameters: \n");1 q! W. D+ v9 U/ J; @- k9 R3 J
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 Q4 C. P! a0 @" G$ d5 g- L; H% u
- printf(" STBID: %s\n", stbid);. C( D% U' \( r1 \5 a' F) W6 M
! V% x) a6 q0 p; `) }2 j$ s0 t- printf("\nDo you want to change paramemters? (y/N) ");4 [+ [' N) F/ }+ ]! q1 ]$ j9 D
- for (;;) {
; A4 A* u4 V: h$ r# k6 `3 w - c = getchar();1 f7 q) ~( Z/ e* ?+ T1 q9 T; l
- if (c == 'y' || c == 'Y')/ ^5 H3 x0 V$ d% U+ j! C
- break;
0 B4 Y& i9 ?* D( \7 k - if (c == 'n' || c == 'N') {5 _1 Z6 m* R; ~* `
- printf("\nAborted.\n");0 o9 n, I" i& f( k$ ^: H* ?
- return 1;5 t( |! [6 q6 f6 f+ C+ ~ X5 K& m* k
- }
+ F" Y( o) D- F) I4 X1 Q+ I6 R' ` - }
/ c0 [0 M8 j$ x2 d; H - if (writeparam(mac, stbid) == 0) 8 \% {+ |3 |5 U! y6 W7 [# `
- printf("Parameters changed.\n");
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- return 0;
# ?' ^% {& {2 _: ]8 T6 R. e" y - }
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