本帖最后由 0522 于 2012-3-21 23:04 编辑 _. }! Z3 W4 N" N7 Q
, r7 s- w- C, k: X1 D
修改的代码早有了。到今天不会编译。6 D' J4 g' \4 m+ p, Y2 a3 c; f6 p
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
( M! Y% f5 o) w. u( ^ - #include <malloc.h>
: E6 j; } D8 J8 Q- ^) X; m - #include <sys/types.h>
% R: n9 n" X8 O& ?- ? - #include <sys/stat.h>& W, w5 q) A5 h/ L; d2 l
- #include <sys/ioctl.h>
1 x6 k1 z0 V' C# K - #include <stdio.h>
9 A, b# p4 P( F6 q3 O. G& ?+ i - #include <string.h>% c; a" w! X: g% V! u$ B
8 u+ s' F5 y U4 [7 @0 q- typedef struct {0 _& A& k& \" b: \1 u
- unsigned int e2prom_cmd_sub_addr;8 L. @. t J7 F, I1 i( t O* T
- unsigned int sub_addr_count;
/ \ u% n+ r6 V# o/ y1 ^2 H% I - unsigned char* e2prom_cmd_data;6 ~/ R/ q/ z. P
- unsigned int data_count;7 K9 i8 @9 Z; L2 X
- } e2prom_s_cmd;
0 b0 E: N* y1 j4 @1 Q: n; O8 T - 3 u6 p9 ?" t. u( c) U
- #define E2PROM_CMD_READ 1" @4 C3 y! B0 k$ L' ^
- #define E2PROM_CMD_WRITE 27 d1 I4 e* m8 T5 c( Z1 p( J2 z
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
: }- U* a9 Q7 Z V' R% b
( h: b2 ~% G* T8 t7 i7 Y- static int readparam(unsigned char *mac, unsigned char *stbid)
! E; n( Q/ [/ H5 L o' w: b - {# |) M5 I4 N5 O2 X) q0 K/ a1 D6 l
- int fd, ret;9 U! R: n, K0 A( W% _$ h4 e
- e2prom_s_cmd arg;9 @* X0 g" o. G& c& _- D1 n" S5 ]
- unsigned char buf[0x18];: y% }* ]) z1 Q0 V+ M& K! G% V: l
- ( m8 r; Y' @7 p. F8 `& t
- fd = open(E2PROM_DEVICE, O_RDWR);7 J: a* e0 U0 z; }4 c6 x$ t. q
- if (fd < 0) {
1 R* a" @" m( m1 M8 n% J* w) I - printf("Device %s open error.\n", E2PROM_DEVICE);
0 l' b) Q+ ]! ?! t - return -1;& Y. ?' X9 J+ V9 K2 N
- }( x+ W: u4 W+ [
- arg.sub_addr_count = 2;9 R) H2 I6 H% X; j
- arg.data_count = 0x18;
1 O; Y4 i8 y( R, Q: W6 o - arg.e2prom_cmd_sub_addr = 0x290;
* O; T6 j5 B; U( Z% C, p, K7 p7 T" W - arg.e2prom_cmd_data = buf;+ L# F& X# d6 r) N
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
5 z; u' t/ T k- f - if (ret != 0) {
9 l; z0 S+ s# [- z* f8 T - printf("Device %s read error.\n", E2PROM_DEVICE);
; Y+ L; a4 @. c# f: e3 D - return -1;
6 X, q3 @7 P: p* ^* a$ R: u4 Y' Q - }+ B0 F5 b! a8 U7 s3 L
- memcpy(mac, buf, 6);
( |2 U' f- w0 z5 `) p - memcpy(stbid, &buf[6], 18);
1 P7 J( {5 Q6 `# C3 p - stbid[18] = '\0';
' M4 t+ d% ~- I# w( d - s$ @" b3 Z0 x P) F- k
- return 0;; L: a. s5 R7 j8 b0 K
- }
1 O2 e4 M3 h) s! j4 b7 V0 M
7 [ Y% e! M4 k( \- static int writeparam(unsigned char *mac, unsigned char *stbid)! |8 q3 l8 |, u. Z. w [8 d0 o
- {
2 T" e5 o0 S/ d/ H! `6 Y/ t1 F - int fd, ret;; [# i8 P' H4 }9 x/ F J
- e2prom_s_cmd arg;
4 D' t* J g3 B - unsigned char buf[0x18];' G, i: V4 k$ _6 ? b |- P
- * {& q, l( {8 L9 m0 K* c
- memcpy(buf, mac, 6);" p& R8 g5 c3 E) |4 m- r& @1 I% O. X
- memcpy(&buf[6], stbid, 18);
2 B) f! m" J' n5 }0 B( C - fd = open(E2PROM_DEVICE, O_RDWR);, u8 |; f# \ c! G
- if (fd < 0) {, s/ z, H4 M/ S8 d; J! D' y
- printf("Device %s open error.\n", E2PROM_DEVICE);
' V _4 |: ? ^7 h - return -1;
$ p; T3 J, T, _* _1 W( n0 Y% G- V - }# R" D; ~; w7 S3 @0 `
- arg.sub_addr_count = 2;
) v: I: I( E3 C3 ~% ` - arg.data_count = 0x18;) i7 }' r: U' K5 d
- arg.e2prom_cmd_sub_addr = 0x290;
5 G" h9 |* F! D: N( y - arg.e2prom_cmd_data = buf;. U- @5 s; J5 P1 a
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
\% M1 a8 U: A* U( t. W# P; V - if (ret != 0) {8 x' `5 k6 N+ e A
- printf("Device %s write error.\n", E2PROM_DEVICE);
! v3 ^0 K' ~4 i0 ^, @: O - return -1;
/ n+ ^, u0 S; J5 P7 A0 w - }# e/ o" E" v( I0 u0 h/ P% w
- # v% l! N2 x2 l
- return 0;
0 q$ X8 ^% T# L* r - }
. N3 {% g9 a" E, w0 `2 h) j - 5 ]7 n$ u' i' w! w7 j. ~7 U
- int main()( B9 k+ r* T- K" J& q; H
- {
/ ]9 a. h. e+ S2 y6 d - char c;
% b3 B% K! D$ T. t5 `" K - int i, macs[6];2 f* |$ }" R; q; H1 G& h
- unsigned char mac[6];
. }- d* M7 t) l9 u; b - unsigned char stbid[256];
* @* y7 L$ d4 D( O9 D; @) t; ]
% O6 Q* t6 }! j: G, z- if (readparam(mac, stbid) < 0)
+ V6 a- p* q! L6 t5 o- f - return 1;
E9 ~( a* t6 F. M
+ r7 m4 {# r* _. ^- [, u- printf("Current parameters: \n");+ b( N2 D3 H" P! \) J9 d
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ [8 H" R# Y6 C0 u
- printf(" STBID: %s\n", stbid);0 } v" S' ^. J0 P& X- T& {
-
4 Z# p$ d2 a% c3 } - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");& N# W/ S$ O4 p- X6 z; j$ {
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 h: J A& f8 A
- printf("Input MAC error\n");2 P7 X6 q7 z7 y, K
- return 1;, H" M x/ ]+ y+ g1 m
- }7 V, m8 c: o8 |2 D
- for (i=0; i<6; i++)mac[i] = macs[i];
2 S- }% P9 z; A. e; L - printf("\nPlease input new STBID: ");$ d5 E( s; d* \- C0 \" C0 e5 e
- scanf("%s", stbid);
8 a" K5 z' Q: p7 U% t1 _ - if (strlen(stbid) != 18) { d4 [) f( A+ F# D# {' h% X
- printf("Invalid stbid\n");3 M9 b r. r/ ^/ s' o) ?' n
- return 1;$ t7 p6 u! {1 |0 k
- }
' L2 K& T7 @3 w" O* i; e- S - printf("\nNew parameters: \n");6 v5 c/ n8 k9 b5 m
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- |$ M( C! c! ]8 [ - printf(" STBID: %s\n", stbid);
4 G& u0 }. [8 L
# E5 I4 U0 S8 |+ a, a0 X# Q* O- printf("\nDo you want to change paramemters? (y/N) ");$ ?7 r0 _' u, h2 r$ b e$ k! u3 T
- for (;;) {
% M& U* O8 l$ k$ d8 D - c = getchar();/ G2 X. I- X6 N
- if (c == 'y' || c == 'Y')
8 ~; B1 X H" ]: V# k - break;
+ w5 f+ \8 A8 m( v- s5 t6 x1 b - if (c == 'n' || c == 'N') {
9 Y, d* z% I0 ]0 s( f( v/ Y8 ` - printf("\nAborted.\n");
+ O5 m; W4 q2 _3 z. y# C - return 1;
, }8 o6 K; D2 a$ z - }
& X! g% [1 |% m4 u8 y - }
6 d0 |: p z; J9 [7 I' g) x6 \ - if (writeparam(mac, stbid) == 0)
/ ]8 C+ x+ P3 N2 c+ C - printf("Parameters changed.\n");
. g! K" {) T8 f - ; m; w3 Q5 @8 h* g: t. D0 z
- return 0;1 s0 n7 M0 I# s' ^% x2 }
- }
复制代码 |