本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
% p3 c1 _$ U+ j% Q0 _5 W# P I需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> E% J) O: T7 |6 \+ f
- #include <malloc.h>
8 b& }8 ?+ V- S# Q1 { - #include <sys/types.h>
: r7 E/ q3 L" a' X7 Z7 `8 G - #include <sys/stat.h>
' I, h6 l8 d6 c' D - #include <sys/ioctl.h>
. l4 q" K# Y% V' o- ^+ q - #include <stdio.h>, f* H' J4 ^- n6 s2 K
- #include <string.h>
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1 X7 P8 \/ M" W1 t- typedef struct {
. `, D/ F$ D6 f h% e, R - unsigned int e2prom_cmd_sub_addr;% {5 p: N9 F/ y9 \3 E. L3 Z
- unsigned int sub_addr_count;
9 V2 ~7 w$ \. \1 G( s d - unsigned char* e2prom_cmd_data;
0 {6 C4 e/ l4 w: l+ k - unsigned int data_count;- D+ t. C6 N a3 j
- } e2prom_s_cmd;
# M4 x$ _5 e" s; \ - $ l& ~& Z" e# {0 d% c( L% X& L; X
- #define E2PROM_CMD_READ 17 Y8 A2 `8 q# f, B
- #define E2PROM_CMD_WRITE 2( B- U7 H' @1 s: o5 `: a$ |
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
# d% I. y d. H; j Y" p, N - 9 e! F* @2 Q; e m, a
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
4 A' e, j. e s0 T - e2prom_s_cmd arg;- I! |4 ~- n' C- q' w$ \
- unsigned char buf[0x18];7 O& F6 V4 i9 X/ V% K
4 N& x( A% A; F% C+ l- fd = open(E2PROM_DEVICE, O_RDWR);& p3 [& n* k" e
- if (fd < 0) { ]2 ~) ?1 Z5 y: _
- printf("Device %s open error.\n", E2PROM_DEVICE);1 b' ?$ k. ^0 A) i2 S% F
- return -1;
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- arg.sub_addr_count = 2;' ~3 b3 i' z1 `) y8 _( y/ S1 d6 w
- arg.data_count = 0x18;
; V5 R- }5 J& M/ E - arg.e2prom_cmd_sub_addr = 0x290;) j5 i6 n) N! W% i5 c1 e. `0 K
- arg.e2prom_cmd_data = buf;
- d* }/ q6 n& o+ [( z- ~0 U6 b - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
S! _) |- q( q# ] - if (ret != 0) {
. H& n, n+ A' R }4 y+ Y8 s - printf("Device %s read error.\n", E2PROM_DEVICE);
3 i5 Q2 {: v+ u1 P0 U' ~ - return -1;4 B _: }& V- n* H% F! F, S
- }
+ D: z; n x, m$ b: v8 h& B - memcpy(mac, buf, 6);9 ?0 S5 e1 M) \
- memcpy(stbid, &buf[6], 18);
$ u! |6 l- t& v - stbid[18] = '\0';
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8 l# s& g) r! `0 ]- return 0;
7 O; Z! s6 A" v. a0 T" E - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid) K7 r. t9 N7 K; [3 B
- {
- Q4 Z( A4 T$ H# Q. Y - int fd, ret;. B& |9 U, o* M1 p
- e2prom_s_cmd arg;
: Z# `+ H, S, I" e8 z- f - unsigned char buf[0x18];: A; z: a) C# d0 q4 i
- 5 Z3 D6 i7 h7 {4 q7 V# _4 r3 ~2 B6 k
- memcpy(buf, mac, 6);& X7 x5 A" X: a' e. h) T; a
- memcpy(&buf[6], stbid, 18);4 x* a2 F9 f+ K) Y1 A
- fd = open(E2PROM_DEVICE, O_RDWR);
' f: S: F+ q! f2 k: t( v - if (fd < 0) {7 P0 b3 f& C7 u% t" o$ M
- printf("Device %s open error.\n", E2PROM_DEVICE);# V9 E, w5 ?; ~) a' I" q8 H
- return -1;
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- arg.sub_addr_count = 2;
* i% Z; H4 \* W f8 I - arg.data_count = 0x18;
! f! P9 k# h0 p6 R5 @( { - arg.e2prom_cmd_sub_addr = 0x290;; U2 R' p' O( h& \% _7 ~) t
- arg.e2prom_cmd_data = buf;* t: e+ h" j0 D1 ^ p0 `3 C6 ]' B
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);. l1 H; D. y2 _. X! O; x; }& ~
- if (ret != 0) {
7 F) d2 L% u, ~0 T) R' W - printf("Device %s write error.\n", E2PROM_DEVICE);8 [6 @$ t% t; S( K$ F# ]
- return -1;
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) S! X g3 f: v5 C- return 0;6 h1 S* v( Y- s* \
- }
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, @" h4 i$ Y& D6 K+ p _- int main()
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- char c;
i# f; p) c2 z - int i, macs[6];
& B8 W$ v; ~6 H l' Q2 W+ w2 @3 q - unsigned char mac[6];
E9 }# M0 Z9 K# J - unsigned char stbid[256];
- m, K2 L7 f" |, Y& \" l) _
1 s1 D3 `& E, k& F$ g/ ?- if (readparam(mac, stbid) < 0)
' {( P G, @+ T! V6 \ - return 1;9 J1 K% C4 @* q# B+ {- C
& ^2 P( q" y8 E2 f9 N/ y- y; k' G- printf("Current parameters: \n");
7 m$ y. M; Y) N' m$ |0 Y1 e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 a1 G. ?7 d' L6 _4 `6 e$ d; i - printf(" STBID: %s\n", stbid);
3 t: z7 I- w2 k8 y - # x9 |8 A* {$ l
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");+ I2 D, R* b& U; c" p; z
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {6 o8 ^/ G( ?; r+ K
- printf("Input MAC error\n");
. Q# [8 a/ g' }& R V - return 1;0 _: m. T' J6 w6 f3 G' Y! I
- }
5 o; w' K. i2 } w: o$ d/ L, G - for (i=0; i<6; i++)mac[i] = macs[i];
( c# x% {+ r. F% U6 ~0 Q- T - printf("\nPlease input new STBID: ");# z4 t, H& z0 E5 Z
- scanf("%s", stbid);9 Z4 v: p/ Q+ z- }# r" z- h
- if (strlen(stbid) != 18) {, I/ w' c/ F- {4 Q5 w+ q; k5 J2 u
- printf("Invalid stbid\n");3 |: ?4 b9 e3 X: b: m {$ H) a
- return 1;
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- printf("\nNew parameters: \n");
& B4 @, g# S V6 N% m6 e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: B' C! y: Z. P9 @- W9 l - printf(" STBID: %s\n", stbid);+ f1 J& B' U! f3 |, u! \9 o; }
- : o& Y. Q( B/ l+ x
- printf("\nDo you want to change paramemters? (y/N) ");
# j6 @7 G) T1 V( \" ~ - for (;;) {
% L& Y+ h$ Q/ T5 s& S6 w - c = getchar();9 O. b2 ?" B9 o* s2 ?
- if (c == 'y' || c == 'Y')( @# C% L9 b& k2 J1 u! x! c3 E
- break;
; m+ G# X# B# A7 G6 G l - if (c == 'n' || c == 'N') {8 Z3 ?+ w+ G1 d2 D
- printf("\nAborted.\n");' ?4 a8 w. N) B* c8 G% f8 }& A
- return 1;1 \, a# e; ?+ G7 K
- }
# u( [6 f: P0 w k }- @4 }5 C - }: i* ?2 w4 L$ \6 B/ K$ g9 y
- if (writeparam(mac, stbid) == 0) o/ J }7 E% L# c7 O
- printf("Parameters changed.\n");; H6 d, O/ y; L
- - c1 _0 d. V. I) ~
- return 0;% Q i0 E# [& p+ K
- }
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