本帖最后由 0522 于 2012-3-21 23:04 编辑 : W" |* S! R( a. y
; B9 s6 |+ p$ M& M0 _! |6 r修改的代码早有了。到今天不会编译。
6 P8 G3 R6 X! x" d" ^' r+ k需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
4 Q1 L* M: |' k( ` - #include <malloc.h>4 S8 G) Y8 V- D h
- #include <sys/types.h>; y, ^( Z; w% x
- #include <sys/stat.h> K4 j7 S+ |- `) c+ d0 H8 A
- #include <sys/ioctl.h>
9 u$ F3 a$ U, L) w } - #include <stdio.h>) h, X/ k0 C3 ^2 f4 h
- #include <string.h> |: `* K! H1 u4 D; ~/ k
8 f: d* w9 V$ Q5 z& S H" n- typedef struct {
5 l; E; D) t! v- d1 l - unsigned int e2prom_cmd_sub_addr;
, v# b0 U. `* h2 B* G5 @$ J - unsigned int sub_addr_count;7 n, b9 A8 [ P
- unsigned char* e2prom_cmd_data;
3 C1 c2 m: Y" |! ?& E - unsigned int data_count;( X2 L3 h& B9 y0 k
- } e2prom_s_cmd;: v: k, A* j9 D! p/ j
% D S6 |, l) o+ [) ?% [5 }- #define E2PROM_CMD_READ 1
" I h: b/ R: q! R - #define E2PROM_CMD_WRITE 2
5 d, T1 S" ]' d5 j9 j - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"$ \+ n+ ^0 {! b% p( t- U% z- N
0 @3 k" P/ I% x- G; M- static int readparam(unsigned char *mac, unsigned char *stbid)
, b( m+ h9 F. w" K0 J) ]1 P - {# u% r1 F( B* X' `
- int fd, ret;4 |8 Z0 _$ O0 S/ n/ y
- e2prom_s_cmd arg;
. D/ w: x6 P0 S1 ]5 `7 r% y - unsigned char buf[0x18];- y2 O, Z+ a- j# {4 D1 ?6 _; A
; l% `0 v) U# w! ?- fd = open(E2PROM_DEVICE, O_RDWR);; w/ C: M2 M9 [3 y$ v
- if (fd < 0) {
* S4 L }; q/ v6 N - printf("Device %s open error.\n", E2PROM_DEVICE);
6 A) W+ ^6 s, i. v# Q; F- t - return -1;1 B3 z. @& [; `
- }: q1 F8 U( `4 ~/ f5 i3 U
- arg.sub_addr_count = 2;
0 s) \. u u: ~" v3 R8 O7 w - arg.data_count = 0x18;
" q) b" T, C' K4 R$ r: W - arg.e2prom_cmd_sub_addr = 0x290;
( y) ^8 d, k1 `0 b) Z2 q4 ]. f - arg.e2prom_cmd_data = buf;! K: x& ?/ O: i' d
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
7 @. D R, @2 c - if (ret != 0) {
2 y6 V5 p) I \, {6 r2 f - printf("Device %s read error.\n", E2PROM_DEVICE);
2 M) {" K1 m |: b3 v7 i - return -1;
# `$ H S' \7 T* [# U, o# J* F - }3 T8 p2 H8 a) e) q* h
- memcpy(mac, buf, 6);& o# N# d) g# u9 H
- memcpy(stbid, &buf[6], 18);
2 F- f. z4 l* H% V1 Z1 h0 g - stbid[18] = '\0';
* N) m4 i8 S# p - * [6 q! A9 D6 N6 B2 {
- return 0;0 K0 k% ~+ D, A$ [) `6 c
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)% t" H e6 S( v( @6 D1 J
- {+ i5 O$ o+ j0 f4 Y$ H4 Y. X* @/ {) L
- int fd, ret;
' k6 p- y7 y& t1 g - e2prom_s_cmd arg;
0 R) f5 f/ J/ N - unsigned char buf[0x18];
" c! \4 v C2 I0 U) O6 f' N8 ~7 ] - + l7 p* _/ W: P' g
- memcpy(buf, mac, 6);
- z. i; c5 K, S8 g) d d6 h) R - memcpy(&buf[6], stbid, 18);, j( Q: W5 e: T+ k9 v
- fd = open(E2PROM_DEVICE, O_RDWR);0 h9 G2 g B; Q$ c: T
- if (fd < 0) {' O5 M2 k+ Z* C' K/ R7 K
- printf("Device %s open error.\n", E2PROM_DEVICE);, A5 N0 K4 U: ]9 M5 W9 D1 z0 V# Q
- return -1;# X1 a X C; i1 l3 E! O
- }/ f, F I" N# F/ ^% I4 K! V6 _ P& T
- arg.sub_addr_count = 2;
* }' W9 V5 o5 r: w6 h) V) \; l - arg.data_count = 0x18;
: _) [; I. q' ]1 t+ y - arg.e2prom_cmd_sub_addr = 0x290;, Y* I5 Z; @( b) A
- arg.e2prom_cmd_data = buf;. f8 G7 C) \. b7 i, T
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
5 V. @; ?4 z3 R6 l - if (ret != 0) { ]/ |' E5 n2 U* f$ J* y( R
- printf("Device %s write error.\n", E2PROM_DEVICE);
: g8 e- p4 F# x0 T1 x0 B - return -1;
* N/ {# K5 }+ s* F2 N" x) W - }
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- return 0;
+ R" R3 V# o7 c5 X" z$ [ - }
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* o. j1 r/ h) f: f+ d- int main()! t8 s0 S4 u& p
- {9 M- A/ x* s2 [2 p8 ~' l
- char c;1 I! a% F, [0 f, p5 z( X6 U
- int i, macs[6];2 F9 B1 b& }% ~9 w# J
- unsigned char mac[6];( q. L' C" w0 J6 N: i
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
' S; c `" P+ B - return 1;
5 |& x5 \4 ^2 K4 h# V - * V$ i! q& {1 D k) `4 }
- printf("Current parameters: \n");% j" E8 H! Z- k' T+ w
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# N7 s' f1 i4 r; q, h- h
- printf(" STBID: %s\n", stbid);9 J' m6 x" ^5 s3 w ~5 Q2 K* [
- # F& @0 y$ M( M% V
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. D0 B$ b" c4 ]( n
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) [+ `4 U. B* { V
- printf("Input MAC error\n");$ d3 N2 i# J1 Q5 x B p" y0 o
- return 1;, N) M$ ^) p( l! X3 Q, t3 e
- }
+ R7 [5 a( s B0 f* | - for (i=0; i<6; i++)mac[i] = macs[i];7 U, i( r( ?( `5 S% T& J7 b
- printf("\nPlease input new STBID: ");6 L: q. C; {" \0 _9 c
- scanf("%s", stbid);
. B/ G3 j& Q9 z+ f- j }! H+ H2 l - if (strlen(stbid) != 18) {8 _: J X" K7 y. \
- printf("Invalid stbid\n");5 n' a$ H" b! a" ?3 }9 @9 U
- return 1;6 w$ y# w) D3 \& k% ]" u; G
- }6 a. Q0 i6 _' n5 S: _% @
- printf("\nNew parameters: \n");
; o: p& c: o6 u+ I - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! W6 ]% J' E1 J) F- M
- printf(" STBID: %s\n", stbid);: l) W) k1 G: C% M* [
- / D! L! ^: G& L, X6 }& n' |5 R
- printf("\nDo you want to change paramemters? (y/N) ");
- Z- L( Z. @# [$ V1 s - for (;;) {6 O9 ?: D6 Y& X
- c = getchar();
$ o8 D5 I4 Z1 r. {8 o - if (c == 'y' || c == 'Y')% R) F3 z6 h; k0 N, i- F) E) G
- break;
% K3 M' m. z1 f7 p* l: e( P8 K& X. W - if (c == 'n' || c == 'N') {. u% J- I7 N3 {$ q2 s. ?7 x
- printf("\nAborted.\n");
) \4 Y, z: `2 |6 d - return 1;
: ^2 j8 J2 l! V - }( g, h) e. [8 U0 }* `
- }# s# @5 I& z& T
- if (writeparam(mac, stbid) == 0)
* V8 Q; F3 k" E0 h! L - printf("Parameters changed.\n");7 d' E+ Z- O0 k4 {( |+ k# y n
) |. w8 Q& [# E8 ^ \5 I' U- return 0;
$ N4 W5 X1 D) k6 U8 R6 X - }
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