本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。/ Q5 F5 @0 A) T! o
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
2 w! l6 S$ \1 g6 D. o9 N - #include <malloc.h>* N# p( a5 S$ c2 ?" v: c0 f
- #include <sys/types.h>
! \' {( V# H5 X- ?: V4 Q1 H - #include <sys/stat.h>
7 s4 ^% ?+ G" x) q/ N; ~0 v: X - #include <sys/ioctl.h>
& Q4 W7 L7 ]' U" D+ m4 |7 t* D - #include <stdio.h>% {. N% L5 G6 S* d5 q9 G
- #include <string.h>: c# ~- Q ^9 ?+ ?/ R- g! P0 W3 ^
' U1 @6 \9 k2 `" `1 e* M4 t& l- ?- typedef struct {
' {. Y; ~+ M* o2 p/ N& j3 e - unsigned int e2prom_cmd_sub_addr;% B/ ]) `5 ?0 X0 m1 {
- unsigned int sub_addr_count;
$ r5 D- e7 n4 I; c2 K( y - unsigned char* e2prom_cmd_data;
8 V: _* S, n4 X - unsigned int data_count;
6 h3 y: ~ l& X& y/ _7 I/ d - } e2prom_s_cmd;0 n2 R+ n0 }; c4 p9 W
- 0 b$ D! \) ^8 N9 h9 [
- #define E2PROM_CMD_READ 1
! H' u- `! p! J/ B9 X - #define E2PROM_CMD_WRITE 20 M* i# V# Q" L1 u
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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5 U5 H+ V$ L; S- static int readparam(unsigned char *mac, unsigned char *stbid)5 T0 T! ?7 S. t2 p0 r$ L8 i
- {
% I$ }) K7 S0 x( P6 o. B - int fd, ret;
" ~4 r) l# M+ Y( g' }4 |# ]$ e& P - e2prom_s_cmd arg;
8 H' o4 C; |0 g - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);* z/ ?5 l6 d/ y" B# S
- if (fd < 0) {
8 S: |. H. Y6 J6 ]1 k - printf("Device %s open error.\n", E2PROM_DEVICE);6 q, I' a: O4 u$ j# `
- return -1;
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- arg.sub_addr_count = 2;* B# H0 J2 B* @
- arg.data_count = 0x18;
; T! T, D3 P* J9 L - arg.e2prom_cmd_sub_addr = 0x290;# P# m* j( ?+ D0 |2 [
- arg.e2prom_cmd_data = buf;% C/ q2 K# g- m0 \7 ^4 ^
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);+ H, {; S$ A1 q$ T& i
- if (ret != 0) {" v1 G e- A% x \. `* p+ X3 D( b
- printf("Device %s read error.\n", E2PROM_DEVICE);
$ }" e5 ~5 }& c* W3 Q, j - return -1;
" I Y" O3 r/ m7 P$ ?3 r - }
! ?! }! q9 G7 _. V - memcpy(mac, buf, 6);
, t* J8 `! r# X# L6 V; [* q6 D - memcpy(stbid, &buf[6], 18);3 i0 W& R7 M7 V" C
- stbid[18] = '\0';( v" y+ W5 I! M# u
" N( [6 j" D; R: Z+ w4 x; z" U- return 0;/ _" ~; K& G# O# D
- }
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- H, e, s4 D* ?- j0 \$ @( K- static int writeparam(unsigned char *mac, unsigned char *stbid)
5 {1 }3 F3 t! `8 U! w - {
5 u: B8 K( ]" n1 r7 v. F, q' t c - int fd, ret;0 s, t& E5 Q* `' c
- e2prom_s_cmd arg;
5 ~. n0 M9 i$ L# d0 \/ k z- s - unsigned char buf[0x18];2 U' j5 d! E5 f& P7 a+ i; V
- 9 I- h9 w0 ]% v" Q0 U
- memcpy(buf, mac, 6);
; o; y6 Q: z$ k0 ~2 W: ?& R$ @+ U - memcpy(&buf[6], stbid, 18);: d5 Z7 h* L( E/ h+ L
- fd = open(E2PROM_DEVICE, O_RDWR);
' S% N# R& o: ] T9 ?& p - if (fd < 0) {7 z+ I: M; }7 ^2 L
- printf("Device %s open error.\n", E2PROM_DEVICE);: u" t+ s0 w1 o* T8 r
- return -1;
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- arg.sub_addr_count = 2;6 Q5 N2 ~# i% w% H
- arg.data_count = 0x18;, P3 A( U! s- M# ^! H9 {" x
- arg.e2prom_cmd_sub_addr = 0x290;% \' I5 O( w# @( M+ u: I
- arg.e2prom_cmd_data = buf;/ w& a+ r- s3 [/ A7 a
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg); a( y7 V8 q, `- m( J' i9 \
- if (ret != 0) {
4 ?7 u+ t4 ~7 f( g - printf("Device %s write error.\n", E2PROM_DEVICE);/ e' z5 h3 d, z
- return -1;
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5 l+ T+ k$ Y/ _. r, M0 ?* {, I9 N- return 0;& {1 _ Z, O, W, A4 x3 l1 z' W9 A1 F
- }
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- int main()- f* s# I4 Q' f8 G9 y+ a$ O1 W
- {2 n* D' q b* G8 x6 Z p( T5 V5 {
- char c;
* `* d% [7 o& N3 U3 i8 n, P2 I - int i, macs[6];
6 w- C1 \) r- v/ M( g5 P8 l - unsigned char mac[6];
8 I8 w' L% _$ X, O - unsigned char stbid[256];, [* C4 k1 y6 K4 ~. Y, i
0 I# T a1 D& g3 X2 o0 h N- if (readparam(mac, stbid) < 0)
. K/ t* {' @" z3 h3 d+ d - return 1;$ x3 v' e+ N0 ], F+ ^- ^1 c6 W5 Z" u
* K5 S: a+ [4 B+ p: n" R. e6 i$ G- printf("Current parameters: \n");
8 N w5 e# x! T) N+ y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: Q, U& a& C! m& \( b - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
i1 ?& \9 M% q - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 | A7 I7 ?" k4 y
- printf("Input MAC error\n");
# y$ f+ S9 i2 P h4 Z5 \ - return 1;* [4 ~2 |6 r8 o) l
- }1 T, r/ `+ Z' L q1 W% j
- for (i=0; i<6; i++)mac[i] = macs[i];
4 y& n- x7 e8 t6 D) M' [3 i* S8 y - printf("\nPlease input new STBID: ");
( a) l/ J" n. J* V8 ] - scanf("%s", stbid);
$ q3 J3 Y1 U/ O9 e - if (strlen(stbid) != 18) {- [% p; H' ~. Z, w
- printf("Invalid stbid\n");
( W: `* a! R0 U9 U - return 1;9 t$ ^7 a5 g, a9 x- k: v/ X
- }
8 {' u% U. U/ q# l$ d" X - printf("\nNew parameters: \n"); s- _/ p0 D$ J/ M2 G
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, H" r, T5 E1 c7 y0 Q - printf(" STBID: %s\n", stbid);8 w& ^+ I2 H5 n. f/ H$ j" D
- $ F, v, [; J& c. C# s; X
- printf("\nDo you want to change paramemters? (y/N) ");
3 z, i+ C) h% ]9 ]: X; p. L - for (;;) {' k% F. l3 H( R/ Q Q$ r# P' U/ w
- c = getchar();. X& t( Z/ Q. l/ H
- if (c == 'y' || c == 'Y')8 `& F5 {% _5 Q7 M3 ]
- break;
4 F: a3 M4 l2 P - if (c == 'n' || c == 'N') {0 I9 O4 z4 [4 Y9 ]
- printf("\nAborted.\n");
! b" N; r6 H# ~$ E1 | ] - return 1;1 S" V. I6 ^; e+ _/ S
- }
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- if (writeparam(mac, stbid) == 0) - _1 ~" v K& \# s* L9 S
- printf("Parameters changed.\n");; W2 n7 \: p8 y( o5 `4 V L( T, A
6 s" H6 t+ X V* I1 U- return 0;
! W4 P- q9 S. K9 o( i - }
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