本帖最后由 0522 于 2012-3-21 23:04 编辑 5 r1 Q0 V- d1 H% I: u) T7 S
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修改的代码早有了。到今天不会编译。$ k" E( `4 P. b4 W) ^/ o
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>6 q: S7 D7 }4 c# g3 Q5 k) g
- #include <malloc.h>* ~# L' ^$ s8 m- c4 e, X6 R9 z
- #include <sys/types.h>
& Z+ a5 D; Z' h7 v - #include <sys/stat.h>
4 ]2 [& ?/ j. f% E( p - #include <sys/ioctl.h>
- I7 u: @9 _6 \7 ~ - #include <stdio.h>$ K0 W' v6 }- f: O2 S# A7 t
- #include <string.h>* r4 K6 D# W7 C9 J# D: ~ y. ?
8 K8 E6 u' d5 a0 P! U3 A- typedef struct {$ Q0 n% t. S; W' t. y7 c- H; K* ~
- unsigned int e2prom_cmd_sub_addr;
, S$ D) \$ s# ]8 e8 M0 p - unsigned int sub_addr_count;
# y: O4 \% A7 D0 ?# g8 x - unsigned char* e2prom_cmd_data;2 _+ ^. Q% L! _) ? v. D
- unsigned int data_count;
" U7 H) B/ ]% p, E7 I1 D6 w: O$ o - } e2prom_s_cmd;
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+ q0 |% A# N; x1 d. z( g% J- #define E2PROM_CMD_READ 17 ?+ O, M" J6 K: `/ v( V; s
- #define E2PROM_CMD_WRITE 2
! H4 R! v6 }$ V# }0 s) @6 X - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 Y( ]) }" L1 I: ?+ r
- 7 l ]% n" }+ w
- static int readparam(unsigned char *mac, unsigned char *stbid)2 a! l2 {$ r) w* z0 q" i8 P& P
- { ^4 q4 ~$ Z3 l! S
- int fd, ret;' B/ m5 Y, _, v" T
- e2prom_s_cmd arg;- J' E4 X' G4 q0 Y: d) H0 J7 X
- unsigned char buf[0x18];
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; m- o) i4 n2 F* r, t+ P* U# N- fd = open(E2PROM_DEVICE, O_RDWR);
) U. S9 n- c% i- t - if (fd < 0) {' z3 ?/ Q1 M- ]4 l" ~* n
- printf("Device %s open error.\n", E2PROM_DEVICE);
7 S/ F t; E, W! G! Q' H: q - return -1;
- N8 ^) y! k$ J7 _1 {5 R - }, [# d+ A3 B6 b$ t$ n
- arg.sub_addr_count = 2;
" y/ m4 b7 j+ I D- r5 M - arg.data_count = 0x18;# e& N, q" L$ F w
- arg.e2prom_cmd_sub_addr = 0x290;: N" Q' q m I6 F
- arg.e2prom_cmd_data = buf;
; q, b% u+ L. F$ o; t! V6 \8 r; o2 O& U - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
, X* e2 k. }; S% }" G+ u6 v - if (ret != 0) {
$ u8 n! \# E2 Y* } A/ H2 w - printf("Device %s read error.\n", E2PROM_DEVICE);: @, K2 g/ I0 S1 q
- return -1;; {) p) O x* V" C
- }' g" N" D! X* h! I5 r& h+ y" G) S5 E
- memcpy(mac, buf, 6);
& s9 l c4 U8 N2 P n9 D- J - memcpy(stbid, &buf[6], 18);6 U4 ]! m+ h( Q% C; f" i; t, i3 Z
- stbid[18] = '\0';# e' n, y7 n! n& | ^. j- F ^
- 7 C& b+ f5 x$ A& K( H
- return 0;
9 \" |( ~" I8 s% o& d& `( S9 } - }# T" \# T) f" I8 g& D2 e; {
, M9 z6 x8 ?# ?: O- G- static int writeparam(unsigned char *mac, unsigned char *stbid)6 x: l# _( E3 ]- a
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- int fd, ret;& D/ }8 c+ @- \9 e
- e2prom_s_cmd arg;
% b- `6 G+ V4 G( I9 S( b - unsigned char buf[0x18];2 u1 p- ?' a+ a9 a# R
- - x( t! u6 `2 S" g8 Z" s( e7 [
- memcpy(buf, mac, 6);
0 {" e4 k& F" Y$ E! l/ H - memcpy(&buf[6], stbid, 18);
' ]3 m& I3 Y& m& Y: k* M - fd = open(E2PROM_DEVICE, O_RDWR);
2 `5 g* I+ \, k7 P6 } - if (fd < 0) {
/ `! |/ M. C5 P/ t - printf("Device %s open error.\n", E2PROM_DEVICE);0 H. S, w& Z/ y5 d
- return -1;' J' u3 e; p1 r. R
- }7 v+ y1 m: ?# I q6 G6 s9 Z- \
- arg.sub_addr_count = 2;
9 h9 ]+ M; n! X. S9 E# T; Y - arg.data_count = 0x18;2 G* p. b e4 b$ Z" N6 F) R, G; Q
- arg.e2prom_cmd_sub_addr = 0x290;7 Q' x) p# O @& g- @
- arg.e2prom_cmd_data = buf;) r( B! ~. C/ L( J; \) n c; k
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 j( E! k4 r7 O, U: G1 g& P+ Y
- if (ret != 0) {8 X) {; e; L) e1 p
- printf("Device %s write error.\n", E2PROM_DEVICE);
* v% U' S1 E; e% [/ I( N" o - return -1;/ G+ c4 O2 e4 e" @# [9 i- _
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- & o6 j2 r( e* Y7 B1 |
- return 0;+ p3 h& e7 a7 l! ~2 i1 H
- }9 u# r* B; c: Z
: N S Z9 U4 |) G- int main()
% }! ? E, |. O- ^ - {( j. R0 }$ e! r4 I5 @5 X" r4 W: W
- char c;
9 Y6 J* R z' s) X# Q* k - int i, macs[6];2 e$ ^0 u7 ~2 m! h2 X
- unsigned char mac[6];
t" l: o% V# G( ?* ~5 H - unsigned char stbid[256];, o3 U8 b/ ]6 ?# @; T% }
+ `7 \; U$ J; |1 s' Y8 d8 H9 A4 P& \- if (readparam(mac, stbid) < 0)
% P# ]* j; v+ B( I- N# \( T - return 1;3 j% f7 p0 s4 G4 y$ E3 a
- + Z3 p1 }" K- D# l: c; b' M& U
- printf("Current parameters: \n");
" }: e& g# o' i - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. D/ w7 H2 i3 I2 ] - printf(" STBID: %s\n", stbid);
6 G, \$ z- q' T3 v8 f: ^0 N -
$ B& ?: I3 A4 @* Q, M- t P! J: _ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");) |4 R' R. f) r$ i" h+ r
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
( A$ y [) `- _" l( x( _* B - printf("Input MAC error\n");4 J- m4 O* U) p5 R5 {6 b% H
- return 1;
* a% p9 e6 ]+ _ - }
/ v4 D' I$ v( ^2 ` - for (i=0; i<6; i++)mac[i] = macs[i];$ r' | \7 j. O+ F
- printf("\nPlease input new STBID: ");: Y& z+ b2 G0 v4 U0 L# q
- scanf("%s", stbid);+ E4 f! u+ F; `
- if (strlen(stbid) != 18) {+ g, S* Y" Q% g# x* ?1 h
- printf("Invalid stbid\n");3 C# P0 I: F- @( j! V1 A3 T6 Y
- return 1;3 ]! }' p# `9 R( ]8 x7 z) V6 |2 U
- }% h4 q* P5 V1 i _, r5 P6 M
- printf("\nNew parameters: \n");! R; I5 F0 y( H
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 S1 z/ H* v: u, E( F
- printf(" STBID: %s\n", stbid);
+ x0 p6 f1 [0 h/ X. [% m# C P2 N - 7 p+ Z* v, N* x/ s+ y7 h& a
- printf("\nDo you want to change paramemters? (y/N) ");4 d6 e( k" r2 ]" _9 V1 q& X+ L+ C6 |
- for (;;) {
+ S, \. \, a) T9 ^! u% N$ ?4 _# T - c = getchar();# X1 D2 r2 _# E
- if (c == 'y' || c == 'Y')9 m& Q( [ t. ]* T( r' r
- break;& q+ ]) X5 V. a' _, l+ h) L
- if (c == 'n' || c == 'N') {- p$ p" P# F8 T4 c
- printf("\nAborted.\n");/ M" N+ ^: X0 Z* X1 ]
- return 1;
- ?8 d+ k$ O* S3 Z8 c% ^3 i* M - }
3 M3 H ?7 z: Z7 g0 K- ` c - }
1 \# ^, P1 l0 @' G' ~; w9 D - if (writeparam(mac, stbid) == 0)
9 {' `6 ^5 F( E7 G - printf("Parameters changed.\n");
8 ~1 b# [/ P/ O v1 T }
% W* I; X% q2 Y( |- b- return 0;
0 q, O) I! T% Y" W6 E - }
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