本帖最后由 0522 于 2012-3-21 23:04 编辑
9 Q3 W" a1 b6 t% {, w8 K5 @# N1 M; k; P8 e
修改的代码早有了。到今天不会编译。
; |1 O& D% A% `7 C% z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
- w9 k9 r3 S0 h2 l, x - #include <malloc.h>
( U( z* q& o0 _! I - #include <sys/types.h>3 F. N3 e9 e8 l( ]2 C
- #include <sys/stat.h>* p1 _% ]7 g* ~$ n9 p: B4 b
- #include <sys/ioctl.h>
: M# a' t* o0 S! W0 q; l - #include <stdio.h>
8 A1 M# c3 ?; ]1 I6 J3 ] - #include <string.h>3 s0 Y' U, X( I8 C) ^3 u5 A* ]
- 0 m% C) B1 s; W* f2 g5 e7 ^
- typedef struct {1 f: ~( |% Z: p
- unsigned int e2prom_cmd_sub_addr;
# m3 F0 _: q+ d* @9 P - unsigned int sub_addr_count;
# A6 i8 Q ~( d% E5 v9 @% S. d - unsigned char* e2prom_cmd_data;
& T" Z0 E, _1 t( X. p - unsigned int data_count;$ e' w/ Q# G3 X
- } e2prom_s_cmd;6 d4 F6 n6 J [
- 9 V* L, x1 C2 Y& s8 ~3 a. ~& _
- #define E2PROM_CMD_READ 1
1 U- }' N+ M) Q/ \) A& D - #define E2PROM_CMD_WRITE 2
; `8 _& p9 V4 e3 ~; g1 B - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"7 `0 O$ K/ m$ I4 ?, p) _. F0 j
- 3 [/ {! V! a- j
- static int readparam(unsigned char *mac, unsigned char *stbid)- s, d9 ^ H3 \! Z0 X" Y) `. p
- {9 w' S; k7 V! i- ?3 Y! x4 g/ |
- int fd, ret;( ], H2 j$ Z/ K) \
- e2prom_s_cmd arg;
5 D2 s, Q9 A" a5 j m' }! [7 Z - unsigned char buf[0x18];
& k' [2 L( w1 } E
}) }/ K$ T7 Q! p p0 k0 I- fd = open(E2PROM_DEVICE, O_RDWR);% x$ G3 U5 \3 r. ?
- if (fd < 0) {
9 R* V0 C2 d& W/ p/ g - printf("Device %s open error.\n", E2PROM_DEVICE);
# c! |" T6 U% _1 q& t* i - return -1;! @- I* x7 Q+ X: L# a2 q: r
- }
$ J9 {- B: b8 v9 Z% {1 U# s - arg.sub_addr_count = 2;9 j; I1 v0 e( d! P+ t5 h5 F9 D
- arg.data_count = 0x18;
6 {( ^9 X8 k* F% U: D: F4 B( ^ - arg.e2prom_cmd_sub_addr = 0x290;
; G. C) G. w+ f# P! f - arg.e2prom_cmd_data = buf;
j/ ~: u! D$ r* U7 m - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
1 Y; V( a9 }. ]% z - if (ret != 0) {
* K8 L8 G1 y' X4 O7 U0 u( } - printf("Device %s read error.\n", E2PROM_DEVICE);
8 R, q; `: }' {- s - return -1;
% W% D8 Y; Y* N+ i9 B P' D+ ~ - }
6 @' J9 S- k P* I - memcpy(mac, buf, 6);* l: `+ X6 b* p5 K, [5 V
- memcpy(stbid, &buf[6], 18);
7 p2 u9 {5 ^9 h/ u) A% ` - stbid[18] = '\0';$ N5 G f% s( f* t% K
- + ?$ ~9 T: |- A. k0 p2 X. D3 N
- return 0;$ u' x1 \1 @& L% p
- }
) l! F; k: e k& j/ h& l
! ]& u+ O4 h- i6 m+ `- static int writeparam(unsigned char *mac, unsigned char *stbid); ~4 m1 ^: C. l2 D
- {
$ i' R h. U% a. T - int fd, ret;
, B/ i* f0 U5 Z- p/ p - e2prom_s_cmd arg;, M1 k1 q" U% b7 t( A" J
- unsigned char buf[0x18];
. r# g% i+ C F! ~( U2 u& l$ Z - 1 r/ ^% B" _- \' U, ^
- memcpy(buf, mac, 6);4 ?7 j( U: v7 Q. h
- memcpy(&buf[6], stbid, 18);
+ C2 ?! r4 W9 q- w u: K; N5 K6 { - fd = open(E2PROM_DEVICE, O_RDWR);
/ w8 _+ q" h( U3 B- U7 [. f- D - if (fd < 0) {
5 `. ~' L, U3 |+ N6 v; t - printf("Device %s open error.\n", E2PROM_DEVICE);# X% p7 r6 E6 J: P& T& T& C
- return -1;' T* a2 H. M1 ]3 d! T. q
- }# R7 a6 g/ M* } \0 H
- arg.sub_addr_count = 2;( R/ C6 H% B6 y: [; q) N* D
- arg.data_count = 0x18;$ v0 m4 [# J& U# v4 ~! g7 l
- arg.e2prom_cmd_sub_addr = 0x290;4 K N$ C( D. g4 F
- arg.e2prom_cmd_data = buf;* @* a4 h9 j; s9 D! K3 T) t
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);0 O2 m' |( @0 K- \. J% D
- if (ret != 0) {
* b' j# w+ n1 \$ x8 E( }% S - printf("Device %s write error.\n", E2PROM_DEVICE);
: P! I6 Y2 X/ ^. B$ p - return -1;. w- D( G8 t; j1 _
- }' [) D: X; D4 C1 P3 Y
- " N- a( A. ]% V. t
- return 0;* o& B& ^# o9 G, _" p$ V
- }
: i* Y' ?$ f) r& k( r
: q9 y& K1 ]6 F4 `- int main()! C. t1 i; K; l( a/ J9 D& v
- {0 |8 N% X# p. n$ k7 I6 j8 a. E
- char c;. d! F6 t- h( W6 B6 b
- int i, macs[6];
& x9 N% g# ?3 C- X4 g7 ~. Z - unsigned char mac[6];. |2 P/ w4 O$ C$ J: l. d; q- J
- unsigned char stbid[256];5 r$ Z5 ~' J7 B, Q
- + r# N' _+ L% D) |+ F- o# z
- if (readparam(mac, stbid) < 0)
" a; c; {, y* x' p$ {- f; F% { - return 1;
& ^* i& {0 | m2 x
' j, h1 ^+ i4 ?) v1 o- printf("Current parameters: \n");
# U6 n: j2 o' U) Q W- C# M - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ a+ j! W$ ~! [4 }' v - printf(" STBID: %s\n", stbid);
# Q1 [; @: P; e8 @* E7 p - 0 I" L$ m4 X# k& F1 N
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# n& J! e' B" @. ]& p: W a
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
% F7 Y) g, ^' y2 Y1 h' _" H0 t - printf("Input MAC error\n");
" p+ W' x% E( o; ^, l - return 1;! V1 m' [5 {* T9 _: Q2 ^
- }
3 W- H# h( A: C# Q) ~ - for (i=0; i<6; i++)mac[i] = macs[i];& g) @3 P% L/ Y/ q% O5 n4 Q6 E
- printf("\nPlease input new STBID: ");
" z$ |3 Q+ A8 x7 w - scanf("%s", stbid);
1 C4 n7 }" e1 ?/ C, T! ~9 m/ ? - if (strlen(stbid) != 18) {0 |. d" o4 g( c* F1 x7 [
- printf("Invalid stbid\n");
2 h/ j6 I% L" k5 Q U- s X - return 1;. B: a0 _- ]! R) y1 ~ f7 D
- }4 I) L1 ]5 ?: |5 K) k
- printf("\nNew parameters: \n");2 a7 L$ B3 h: F8 f1 E
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ W- @" n1 ~0 l0 m, G! ?, S
- printf(" STBID: %s\n", stbid);$ v6 i U3 f7 O9 q/ P! ~
3 m, j j: C( {9 Y# z$ j- printf("\nDo you want to change paramemters? (y/N) ");8 T! y" ~8 U% U5 S6 ^' v
- for (;;) {5 D" b' I: n, \" M2 A0 e, ]
- c = getchar();
7 K2 ^( v. C5 R d" I - if (c == 'y' || c == 'Y')
" {0 I2 q3 G- y, A. N - break;
; o$ p0 \, B S - if (c == 'n' || c == 'N') {/ g0 D0 u5 C* b( u5 f+ u- h( M6 J
- printf("\nAborted.\n");6 g4 _& q; M1 x, Q
- return 1;
: D" S4 A0 T' |; h' t O0 S - }" Q# H, U" _ F
- }3 Z8 [, ^ ~4 u" y/ I. q
- if (writeparam(mac, stbid) == 0) # Z4 |8 X0 f, ~6 [, N) z
- printf("Parameters changed.\n");' ~ b$ x2 s7 T1 D) T
& {" q1 g v6 q# W3 _5 r( c% k6 h- return 0;/ j( C: N Y/ K/ D( ]) c
- }
复制代码 |