本帖最后由 0522 于 2012-3-21 23:04 编辑 ; q$ u4 u, M) P* I1 [1 d$ [
. F2 d* {7 Z3 s* H& p修改的代码早有了。到今天不会编译。
) I, P6 W+ Q( \! d; x需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
6 X% G, J8 ^+ Q3 N. { - #include <malloc.h>
( E1 _+ I% |! y. Q) O2 O8 k2 o6 | - #include <sys/types.h>
1 M, D1 s s, J) w1 h v. W - #include <sys/stat.h>4 }* t" F' h+ f# l' z i2 Z
- #include <sys/ioctl.h>
+ B" c! H( {& p* } - #include <stdio.h> `; q4 C* q: a, r; ]
- #include <string.h>
3 a4 I9 d2 ~- s+ T4 ]1 k6 ~ - . m1 g4 U8 O$ f
- typedef struct {
7 f2 p# x ]2 R - unsigned int e2prom_cmd_sub_addr;4 e2 Y5 B8 U1 ~- r
- unsigned int sub_addr_count;$ e* c* B- c0 j3 B5 i3 t5 v
- unsigned char* e2prom_cmd_data;
- @% D# W a% n7 i6 c3 f - unsigned int data_count;. J) } K, o/ f5 J) v5 F
- } e2prom_s_cmd;
2 }. ~ ?# E& y
6 G9 ~3 s! _9 p$ ]; [4 t- #define E2PROM_CMD_READ 1: k G8 s; X% E8 e2 O. ?# v+ a
- #define E2PROM_CMD_WRITE 2
0 u+ _( N* w1 H& g9 L5 m; T - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
1 b& t) z. W+ Z- n
+ e3 f E# E% i2 q+ D/ j/ ?- static int readparam(unsigned char *mac, unsigned char *stbid)7 n) }2 o) _8 o* D' D. @2 | t
- {
2 K6 p+ D% J! _* `, W - int fd, ret;
) E, U$ \# W q! g, X - e2prom_s_cmd arg;; A6 P9 X" r/ y5 f6 C
- unsigned char buf[0x18];7 w3 }6 ]6 M7 X' @: M. P; u2 _
- $ h8 X" @' ], u; ?
- fd = open(E2PROM_DEVICE, O_RDWR);0 E( d7 z: b( V% c; _
- if (fd < 0) {
: E6 G& o( L( R5 ~) M* D: U - printf("Device %s open error.\n", E2PROM_DEVICE);) n1 J- D+ d' {. r( W! E
- return -1;
8 o4 X" J! u" F: T5 p* i$ p - }& _# u$ ]) O# Z* J7 }, Y4 L
- arg.sub_addr_count = 2;
& m, U8 r) Q$ c2 d+ D" M4 n) j/ | - arg.data_count = 0x18;0 T4 V1 _- y' }+ o) ~3 k
- arg.e2prom_cmd_sub_addr = 0x290;( U; F7 N, P7 S# E% `
- arg.e2prom_cmd_data = buf;
3 I+ i: `+ A H8 S$ i9 l - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' H- H! |* v( T' E( C$ { - if (ret != 0) {2 f' [; ?" p5 F! K8 t& B" f
- printf("Device %s read error.\n", E2PROM_DEVICE);
% S1 F; O* Y% J/ _ - return -1;% w2 ?3 m/ o w8 i, q
- }
) N8 J5 a: a5 V: i - memcpy(mac, buf, 6);7 S. ]: g3 w j$ l1 f- b9 }
- memcpy(stbid, &buf[6], 18);
! \. ]8 ?! q( j. Q3 T! d5 h - stbid[18] = '\0';
3 ?& H& o% w0 r6 E - 5 N& j: l7 Y5 J7 J' o
- return 0;# p9 u3 q' v6 v0 X6 ^ C4 z
- }
9 z2 x. w1 u J3 w% q
0 ?4 s" A5 p/ N: M2 s% v5 Q- static int writeparam(unsigned char *mac, unsigned char *stbid)) x3 @, }6 O& c# Y& L
- {
0 r. A7 `. W3 N5 h! h6 n - int fd, ret;
( F1 T/ k4 i0 G& W5 O& b - e2prom_s_cmd arg;# @! a$ |5 l# I# }9 X/ Q5 f; A! x$ \
- unsigned char buf[0x18];* s G4 k& T/ ]# i( J7 {" W+ a
4 N& v) L: i/ z3 [! |2 m- memcpy(buf, mac, 6);& `7 E/ `/ F* j3 H) p- i
- memcpy(&buf[6], stbid, 18);
) ], |0 a) W- X/ Y - fd = open(E2PROM_DEVICE, O_RDWR);
! G/ l, T) q+ o& y! { - if (fd < 0) {; g1 K- l& G3 b% }7 B
- printf("Device %s open error.\n", E2PROM_DEVICE);
5 p }: P( H, ~8 E( w3 { - return -1;
1 |% ]! I; H9 m5 M7 Z - }
. f3 }( r" Y3 a5 ?$ `3 u - arg.sub_addr_count = 2;
) b7 W/ Y4 y5 u8 U - arg.data_count = 0x18;
' f( T8 w! x5 o/ s - arg.e2prom_cmd_sub_addr = 0x290;* u* R) G1 R7 V# X N
- arg.e2prom_cmd_data = buf;% z/ c* v3 _& L6 ~0 a" l. p0 I
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);) o8 X' m8 M5 j
- if (ret != 0) {
0 L7 E8 N( U, J7 r - printf("Device %s write error.\n", E2PROM_DEVICE);- K" U: x3 ]: V
- return -1;# J) M, x- j5 Z6 O
- }2 Y- N- b4 L* R; e" z& w
- " u0 c D5 A8 N1 M8 p
- return 0;
3 y% r& y' K* u* C; }+ b - }
& }. W! t8 \( z/ o
& D( g5 R) ^7 j! P; `: _- int main()
! R! S' S7 i$ D0 ?, b - {) O" j2 i4 L! {/ P2 i0 H
- char c;
& m6 j9 O: P$ G - int i, macs[6];, S- l: V) S. D) F
- unsigned char mac[6];
# a. S8 Q- c% n; @# h - unsigned char stbid[256];% E, ^# Q: I9 L8 h! i1 Q
- ; r/ Y a) m. E6 N0 Y% b" z5 B' h
- if (readparam(mac, stbid) < 0)% {; F' Y7 x( \6 v
- return 1;
+ E( u& j7 l: t2 [" l | k8 |$ j0 c4 u
V# \3 q4 J* ^9 d% C) p! W- printf("Current parameters: \n");
2 ^% j4 j( z" ?8 E9 q ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 d% z' j' }$ ~1 \: p1 D
- printf(" STBID: %s\n", stbid);- d F5 {" k& T/ Z( i( F# R
-
) A) W; d! B; X. p D - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
7 v& A' u' L! N5 n3 w6 k* w2 W5 f - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ @* s& i) ^9 o; G$ p8 A - printf("Input MAC error\n");6 j# i) B9 ^2 _2 K; ]
- return 1;
; f1 d& h3 p- e: i# `- r D - }/ G/ P4 H8 [0 s! v- J2 p
- for (i=0; i<6; i++)mac[i] = macs[i];% [6 d/ y$ M3 t6 J1 x
- printf("\nPlease input new STBID: ");
8 d, j3 l+ I/ i' {: r - scanf("%s", stbid);
( f, J# u$ _! | R - if (strlen(stbid) != 18) {
u4 _! `- N# ]- o& Y - printf("Invalid stbid\n");
0 r8 ]4 r6 L$ F - return 1;6 K) _1 P! K5 @. n( ?4 w& x
- }
4 c3 b4 z0 c* d& U - printf("\nNew parameters: \n");) ?4 a6 D& O: D# L3 N* I
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 `5 u2 Z- `- r9 a2 f7 P. x, i - printf(" STBID: %s\n", stbid);
+ `. X+ X; h7 U+ w8 J1 A; d" W - 7 U0 H, G9 _6 o/ T: d. D
- printf("\nDo you want to change paramemters? (y/N) ");8 B2 v5 U& M- A/ F3 S0 A' k7 i
- for (;;) {
& \: d$ E1 Q2 o( J - c = getchar();
& S/ Y# e! r, \" u - if (c == 'y' || c == 'Y')
! V' K# ?5 Z, z `6 w9 z - break;
N' v8 Q7 {0 Q1 q& n$ D- z: K* k - if (c == 'n' || c == 'N') {
, d9 Z& J" b8 s4 c: @2 d- b - printf("\nAborted.\n");
0 n+ i# J1 T& v0 C7 [3 j - return 1;
1 U) t2 J6 ?" f$ M8 H3 ?& Y* ^ - }
. X$ ^+ m. k7 f" l- O' J - }" h9 L& Z# v& w' P0 X; E
- if (writeparam(mac, stbid) == 0) * Y7 k( _* G: C, n' x
- printf("Parameters changed.\n");" N* t' U: Y+ O, h
- & s1 o, k# {) f
- return 0;
. a4 o. `2 c+ Y - }
复制代码 |