本帖最后由 0522 于 2012-3-21 23:04 编辑 ' D& G+ J: ?/ J- S. g$ Q
^- C, L4 \. O6 ^$ i4 `7 M) n
修改的代码早有了。到今天不会编译。
1 p% r$ C$ a% _# M8 r需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>6 Z# X: K5 O- Z) v9 G8 q5 d0 d3 B* P
- #include <malloc.h>5 S" C, m7 q+ i. p4 a7 A* `/ ^
- #include <sys/types.h>
5 O) Y" S, Z0 E - #include <sys/stat.h>
' n5 i+ L8 h# j( v' U4 z' h* W - #include <sys/ioctl.h>
% W- D* `' k" B - #include <stdio.h>9 ~% \ l& J3 j. r' V; T0 v6 E
- #include <string.h>( P' y/ D+ d& j1 Y' j
- ' Y1 S# _% }; |$ g
- typedef struct {
& u: \ q: J" ~" h/ C: u - unsigned int e2prom_cmd_sub_addr;2 I6 v; F8 C' t; P; q
- unsigned int sub_addr_count;
6 w- W9 z7 q' S1 A - unsigned char* e2prom_cmd_data;
& U' g8 \4 P9 l' l2 @# {/ L - unsigned int data_count;
+ y% J3 K1 U. C# @ - } e2prom_s_cmd;3 A6 Y& e; n4 C
$ U' a' ?& o) ?, }2 }- #define E2PROM_CMD_READ 1
' I$ p8 S; o: A/ Q% x1 l% p8 B( Y - #define E2PROM_CMD_WRITE 2
. F) K9 J/ {1 u0 o* K4 c - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16": ]' ], s& ~0 Y9 ?% Z
- % a% i2 R# U& B6 F
- static int readparam(unsigned char *mac, unsigned char *stbid) y8 P. i$ g8 m9 F3 S4 O5 I3 R
- {
/ b6 F/ c* x/ Q6 C: c$ ^0 Z; I - int fd, ret; H# Q3 f/ G8 @0 s8 E! k% ^, z% k8 S
- e2prom_s_cmd arg;; R+ E6 d$ U: I4 D; _
- unsigned char buf[0x18];
2 N% U5 ~/ X4 b x( {
' U' N. h* b& {$ m% ~- fd = open(E2PROM_DEVICE, O_RDWR);
6 W. `% O6 S N3 F( T! { - if (fd < 0) {
) j1 p7 c2 m6 d' p* z9 z$ f+ G* k - printf("Device %s open error.\n", E2PROM_DEVICE);. |+ w+ C! H% n$ a+ a. Q
- return -1;3 i; G' k" j1 o0 g0 W$ [
- }
3 a7 a1 }4 |% D. V - arg.sub_addr_count = 2;
3 u/ `3 u) g. t. T- U$ k - arg.data_count = 0x18;" ^- U9 O1 T9 o
- arg.e2prom_cmd_sub_addr = 0x290;
& P5 }& R: h7 `1 q5 e" m - arg.e2prom_cmd_data = buf;% u4 A+ _$ [$ B8 y
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
* _9 ?) [4 C- z0 | - if (ret != 0) {3 p* b1 _- p6 f3 p
- printf("Device %s read error.\n", E2PROM_DEVICE);
2 ]' }& B8 C/ U8 ?9 W8 k; j6 D - return -1;
) r" r2 x! u- g! \2 U* r# C* n$ q; n - }
5 `5 C ~7 ~" y3 m - memcpy(mac, buf, 6);
; { N, M: w6 [& Z# W9 T& v - memcpy(stbid, &buf[6], 18);' O* |' m( @' g( D
- stbid[18] = '\0';
: g6 c ]3 z1 y j1 e& S3 u9 s
+ ~& Z0 C: Y/ H( |- return 0;" G! j T: Y) N/ y# T0 E1 i
- }
{( N3 A+ g( D - 5 n2 n/ W; N1 U f6 y* q
- static int writeparam(unsigned char *mac, unsigned char *stbid)6 r5 X) K3 ?5 Q9 z _6 W- }, }8 T
- {
- {- @' t1 ~" J2 Q/ g8 _ - int fd, ret;* B. f* y! ~; e
- e2prom_s_cmd arg;
% S- S |* I1 |3 g - unsigned char buf[0x18];
1 D6 ]/ V0 H, c& [ - M0 w# d. K; q' j4 H# [
- memcpy(buf, mac, 6);
6 h, n3 n) K/ j- S) v; b - memcpy(&buf[6], stbid, 18);1 ^1 I6 A- @. I E$ O
- fd = open(E2PROM_DEVICE, O_RDWR);/ N5 A4 l* g/ c
- if (fd < 0) {
, ^8 K( O9 S0 S4 A$ @# v o# x1 @! u4 ` - printf("Device %s open error.\n", E2PROM_DEVICE);
) ?, n6 j! a% \$ ] - return -1;
( `' E: v8 o8 V$ p9 P; m( M6 H - }) ]% C# f6 J" g) Y! y8 Z! H
- arg.sub_addr_count = 2;
" u! T3 o% d3 ^) q3 k - arg.data_count = 0x18;
& p4 _! L, B1 M/ Y, W3 u1 ?7 | - arg.e2prom_cmd_sub_addr = 0x290;
* \. h5 M, _' h' X$ ?6 Y5 c - arg.e2prom_cmd_data = buf;
, s9 w1 i( v2 I0 M: M - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);! z2 z' ~& P6 ?% B: `
- if (ret != 0) {
) T. i2 u7 G ^/ \ K - printf("Device %s write error.\n", E2PROM_DEVICE);
' W d4 Q% J6 }8 j - return -1;; _# a2 g% C; j5 d
- }. Z3 Q) u& Q& R% ^) d. R8 C4 b
* w5 v4 o) J, {$ u) v: S- return 0;* y: {, R% Q; L
- }! I' r% T* @ J. d
, P4 g) y& U7 G0 _' P- int main()1 U0 q' ?1 _' r7 v. g% W
- {3 @+ R, ?5 m" V
- char c;
& i' _/ a8 M' R( S6 ]8 h: c0 T; @ - int i, macs[6];2 ?0 O' H* M; X1 a+ m9 U
- unsigned char mac[6];
; X1 @/ e* T( s* g2 C v" b! e - unsigned char stbid[256];$ D$ n8 o) r+ [1 ?
/ F2 [9 D8 ?# d3 ]/ f- if (readparam(mac, stbid) < 0)0 r2 h2 a( i" w( D# Y8 v
- return 1;: A/ `0 y6 `& \# q, m. k
- - Q {8 p, \9 k; e# ?$ l
- printf("Current parameters: \n");
! F+ `8 a3 X( f s, v6 ]9 h( h - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, F w5 p4 I: s" f" N' [8 a; I# V - printf(" STBID: %s\n", stbid);
' A% p! r, ], P3 Z, W/ D -
" \( v- z" d ^& \5 l9 P% w - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
- D8 y; O2 j2 Q8 ]/ ] - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {; [& i: ]7 P" i$ k
- printf("Input MAC error\n");
# h/ x' v1 c1 o8 o4 E" w/ S* o! Y/ q - return 1;
1 V9 H' X5 Z! o/ \! F+ h+ C - }
5 L J0 }; p% G( d! h9 C# k% A - for (i=0; i<6; i++)mac[i] = macs[i];
# H# ]! w* Z3 |- f! n0 u" }/ } - printf("\nPlease input new STBID: ");
$ z2 k, }1 J) Q+ G - scanf("%s", stbid);
& w' N5 ~1 {) J! n6 r2 b4 D% C - if (strlen(stbid) != 18) {
: ~: K$ N3 V( ~% a# r7 Y' X - printf("Invalid stbid\n");
! ` U; W" [; L5 ^/ U - return 1;
/ q4 y( c- I$ k% Y8 n - }! M+ N* C, B0 `$ E% p+ l+ q
- printf("\nNew parameters: \n");9 o+ ~" M+ o X9 D1 g2 @
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; b9 C3 I! x; ^ z9 v9 w
- printf(" STBID: %s\n", stbid);
[# x/ x& {) i# @3 A2 w4 v/ R( I - - w+ A1 A+ r8 o) o" A3 m8 _/ P& H, ?" [
- printf("\nDo you want to change paramemters? (y/N) ");
( P0 L( d1 w4 o# \$ g6 Q- G6 e - for (;;) {
% T; I0 K( u3 j- B* g - c = getchar();/ s2 W& R9 x+ _5 X
- if (c == 'y' || c == 'Y')
5 a6 X3 c* H9 C5 h$ w2 Y - break;# v( B7 p& h4 x& I+ [) J/ j
- if (c == 'n' || c == 'N') {( x* @/ F a0 B/ S+ Y
- printf("\nAborted.\n");
% B& M4 {2 H; O( a( N! ], R z8 @ - return 1;
' B' i" {& ?4 N4 f3 t$ t: @8 v - }: b% Q3 v1 L7 }2 U; ?: A' X2 n
- }
7 w0 {' D3 z6 t/ P8 _) n: b - if (writeparam(mac, stbid) == 0)
$ ^& v: g% t8 j+ ~; @ - printf("Parameters changed.\n");1 I+ i u$ Q9 J* r4 j; p8 ? G
- 3 t# A6 l' G, F) b% W; A
- return 0;
. ]1 D( M0 h. t: @* G - }
复制代码 |