本帖最后由 0522 于 2012-3-21 23:04 编辑
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6 J- D/ L( g- d! {4 [/ ~" L修改的代码早有了。到今天不会编译。
2 |. p& g- [! ?0 {5 ^2 T需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
& m8 O! W7 {; v! ` R* Z5 E, Y J - #include <malloc.h>
+ p' f9 x4 u( L; J: Q - #include <sys/types.h>3 N+ k9 p1 F% o
- #include <sys/stat.h>
2 T- b8 p$ |: S1 b* t - #include <sys/ioctl.h>7 t- R% j4 z6 V) o
- #include <stdio.h>
# V) O- ~; N0 _& t {& q - #include <string.h>; M' a- e9 V& b2 }
- * S6 E' A* ]: V# y- e2 w, q
- typedef struct {
1 E; N& \! [5 P" g+ K, O - unsigned int e2prom_cmd_sub_addr;$ O6 v/ E; M, X5 l4 _) q% C0 k
- unsigned int sub_addr_count;
4 }% _7 J6 c! M8 F' H5 P( @ - unsigned char* e2prom_cmd_data;) _+ o' c- D1 l. G
- unsigned int data_count;
0 {7 Z% B/ U: s: ~! A( B& S: E3 P - } e2prom_s_cmd;' \8 l, x( f1 U$ Y' ]4 N4 M4 N
- - H9 @( v$ \$ R& m7 \
- #define E2PROM_CMD_READ 1
: B- n) _* t8 ?/ i! \ - #define E2PROM_CMD_WRITE 24 q6 t8 J( C- [" V2 I! ?
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
5 L, J5 ]4 x" l+ j+ G8 i- ` - e2prom_s_cmd arg;
5 \/ z+ b% `! h% ] - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
, _- v$ j# f& }& d9 W: ~ - if (fd < 0) {" C/ c4 i( w# ^; f0 x- ^6 I: o
- printf("Device %s open error.\n", E2PROM_DEVICE);+ \$ w: f" B8 X7 g
- return -1;& z) `' v$ x/ g
- }
4 y, f9 z6 ^- X& W& {# } - arg.sub_addr_count = 2;
* E8 ]# l) G+ c5 H- }$ | - arg.data_count = 0x18;+ ~* O" n4 u% F/ C
- arg.e2prom_cmd_sub_addr = 0x290;* }+ f& r2 ]8 U7 A" y7 {" v
- arg.e2prom_cmd_data = buf;/ J0 ^6 u9 \8 W: n9 A, E
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);& e% b/ I5 d6 a" Y. s
- if (ret != 0) {
# O. ?+ k, @ e! w5 W1 `: R; d - printf("Device %s read error.\n", E2PROM_DEVICE);
# f! w4 {# S5 y/ i# `$ J - return -1;
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- memcpy(mac, buf, 6);# N2 E8 ~* M* u$ [
- memcpy(stbid, &buf[6], 18);9 T/ I& |# Z" n- b6 n7 I
- stbid[18] = '\0';- j* B% a2 j8 a0 j: M" j' [
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- return 0;
7 `: I6 e* y( t4 L* ^ - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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! ?' x: `& o* y - int fd, ret;
$ e* }# n9 e1 X8 o. l/ M7 {3 p - e2prom_s_cmd arg;9 |; Y' o7 }5 L; s( T
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);6 p2 \0 Q7 b3 p/ T( I* L! V0 ?7 f6 m
- memcpy(&buf[6], stbid, 18);6 G0 u6 I- O0 @: w5 T
- fd = open(E2PROM_DEVICE, O_RDWR);! I, D9 H7 I% n( e4 i; i
- if (fd < 0) {* k8 E# L9 f5 }: V
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ k5 ]1 U- i' ~ - return -1;/ a- I N8 V# _4 @
- }
$ q3 R* z0 U+ d* a3 c - arg.sub_addr_count = 2;
. @* f3 a4 p: [) X& S - arg.data_count = 0x18;/ u( ^& L5 p5 Q/ Y5 V9 r5 e
- arg.e2prom_cmd_sub_addr = 0x290;- X/ r3 M$ \ O" r
- arg.e2prom_cmd_data = buf;2 Q' Y0 L- K4 o1 E W1 g }
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);1 v7 q; z. w" j1 p* A" p8 ?& y" b
- if (ret != 0) {
, Q: z" {( c* \7 E - printf("Device %s write error.\n", E2PROM_DEVICE);
# B" m1 I# O3 }; n - return -1;
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- return 0;6 Y$ _% e2 u* \* e( O r
- }
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+ I8 ?$ A+ |( E) _# ^5 H* e- int main()$ n/ P0 y% Q( J7 l; S
- {5 c2 {* |6 J! v/ H1 @7 y
- char c;: M- w: B+ X% e U9 a: @" E
- int i, macs[6];7 k% d) ?9 I3 P# a6 N$ }" S# x
- unsigned char mac[6]; P/ O" B, {' h& h
- unsigned char stbid[256];
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. }2 m& x5 P. J# {4 x' J- if (readparam(mac, stbid) < 0)
6 h! c* \( h$ S2 F* l6 ^ - return 1;
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" e4 ] L( t9 f, O; y, r- printf("Current parameters: \n");% C# n" ]3 b/ z! Y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, W- S( K7 ]0 Z1 N+ i! p" _0 G: S8 N; U% q
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
& D+ H W$ z( g; h( w3 q8 o - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
5 O6 G6 d) l# z, E: h, c - printf("Input MAC error\n");% ?8 U1 n$ c S: U% {$ E
- return 1;
8 o2 A9 a, E" A& y1 _ - }! d! [% [" q6 ~( W* e7 a6 ?- l
- for (i=0; i<6; i++)mac[i] = macs[i];
' X% I, v, `; @7 o9 O* m* Y- H4 u - printf("\nPlease input new STBID: ");! u% P. f9 B b# k. {/ T
- scanf("%s", stbid);* J' i6 C' k |7 b* h7 \+ j4 _$ d
- if (strlen(stbid) != 18) {
' c! e7 d; y8 f3 j - printf("Invalid stbid\n");
+ E7 M$ G. D8 x3 c+ g: w# F - return 1;; _3 L, g' r8 Q1 _' D
- } o# b- C/ I) z8 I$ Q+ C9 \8 S
- printf("\nNew parameters: \n");5 g$ p( g; Y* {4 v4 Z1 u5 Q% @9 }
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# ]9 l$ p- w- m# W; y$ ]& |
- printf(" STBID: %s\n", stbid);* \0 e9 e/ f `5 I0 {% L2 t
- 4 \& L! J' b- A
- printf("\nDo you want to change paramemters? (y/N) ");! _: ^. k! D7 E0 F9 l% N, g* u; [& T
- for (;;) {/ L! W) g Z+ y7 y4 L
- c = getchar();1 {) m1 x# @1 e: ^; ~; ?3 [! a3 l
- if (c == 'y' || c == 'Y'). S* C+ x+ i3 B& T) b
- break;: U; [! Z$ R9 q
- if (c == 'n' || c == 'N') {
+ ]7 p) y# j6 x/ H6 M - printf("\nAborted.\n");+ J" R8 w9 e3 H6 @% z0 p6 Y
- return 1;0 A9 l2 a; r2 c2 l- c. g$ V/ m( F1 v
- }) B: R5 N ^' [8 |* t: G, g5 [
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- if (writeparam(mac, stbid) == 0)
0 [7 L) |1 g8 ]0 e5 u u( m7 L/ } - printf("Parameters changed.\n"); { K% W( M" @/ o' A
: Y; t g! \! \9 n- return 0;
* g6 }5 [3 b8 q* }, O6 j* ] - }
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