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。+ Q4 p- x- a* A1 V) `
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
$ f8 [2 u8 y: T+ t - #include <malloc.h>
) P7 p; O3 S& f% B( z& C/ t% c' ~& W - #include <sys/types.h>
0 u% c7 M J" `( V% i( Z - #include <sys/stat.h>% r% R G {- ^/ Z0 H9 R
- #include <sys/ioctl.h>& l) G- }" n' }& j' s5 C% n2 C
- #include <stdio.h>
8 J# Q4 `) ~- i& D - #include <string.h>) ?9 Y: x$ G1 x7 v" v' k
* P9 ]5 _: u, _1 M0 p- typedef struct {2 i2 C' ?+ i$ v( u& Q" f
- unsigned int e2prom_cmd_sub_addr;
2 k# e$ |3 z3 P" ?/ s. H5 j - unsigned int sub_addr_count;
% C0 m# u; i9 [6 a" r3 a/ F - unsigned char* e2prom_cmd_data;
1 _0 A6 C% V$ \9 C, \7 w - unsigned int data_count;8 U' f* U0 m, {" i9 t. i
- } e2prom_s_cmd;8 L# V0 ?- D1 I5 h4 U
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- #define E2PROM_CMD_READ 1
& u# }, P, E, \! ]7 s- E1 ]' ] - #define E2PROM_CMD_WRITE 2+ G+ Y0 M2 F* ]& y
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16") [7 o* \0 L) O( N9 ^6 v5 D
- ; V0 ?) ~3 I8 k# v, {. H
- static int readparam(unsigned char *mac, unsigned char *stbid)" _! K) ?& A# O4 C+ @5 R+ w$ y
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- int fd, ret;( x* [6 |( F' {
- e2prom_s_cmd arg;7 g" N0 f1 q9 F+ U5 |% J- K
- unsigned char buf[0x18];
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' F j+ N+ X' t6 x: C- fd = open(E2PROM_DEVICE, O_RDWR);
9 m" w6 w6 g" u! k. H3 o# e( X - if (fd < 0) {* j F# I6 [- s! }; s
- printf("Device %s open error.\n", E2PROM_DEVICE);
( z F* G, L' I# R9 L - return -1;- q# t, A2 z: b7 l; U3 z2 M
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- arg.sub_addr_count = 2;
* _, H7 |( p6 l' o4 \ - arg.data_count = 0x18;, e" K h0 i" T% P/ M6 T+ W# u; X7 y
- arg.e2prom_cmd_sub_addr = 0x290; j+ U3 X. ^ r
- arg.e2prom_cmd_data = buf;% m O8 k7 j/ |7 }: T
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);/ w( N2 Y' t; w
- if (ret != 0) {
2 a- y7 @+ P' d - printf("Device %s read error.\n", E2PROM_DEVICE);: z0 g4 [2 J9 b
- return -1;
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- memcpy(mac, buf, 6);) x- |( }. B) V! v) V# w
- memcpy(stbid, &buf[6], 18);$ ?/ f$ Z; Y7 `+ s3 B$ N
- stbid[18] = '\0';
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- return 0;5 n# A* M6 @0 f
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% X! t/ D1 v. {, ^8 \4 f8 m" y- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;2 i8 x B, x; [$ I* A3 ~
- e2prom_s_cmd arg;" y3 G5 F |' i: }4 \
- unsigned char buf[0x18];
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% g0 `& ?, X( K- _- U$ K: Y- memcpy(buf, mac, 6);
1 N0 t" r/ ~- D, j% J - memcpy(&buf[6], stbid, 18);" L7 A, Z- q: V4 \. @! ~! X4 o
- fd = open(E2PROM_DEVICE, O_RDWR);& {3 D5 ]0 F* Y7 [' a+ U
- if (fd < 0) {% ]3 B, z# [9 `8 y- ^/ U
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 ^/ t2 E' R% y5 A - return -1;
( [- E; p( L" T, U2 A3 e) ]0 U - }
# Q1 h& n0 H% `" `% R - arg.sub_addr_count = 2;
; l& f. u. ~6 x" ` R - arg.data_count = 0x18;6 E# a2 v( S8 A
- arg.e2prom_cmd_sub_addr = 0x290;1 M5 P* X% W" T4 z; n4 g" A' V
- arg.e2prom_cmd_data = buf;
+ s# |( W0 m$ n9 K8 ]+ e, P i' ` - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ E# n7 _/ P. } - if (ret != 0) {
: h1 ~/ i+ f* [( w+ b, b - printf("Device %s write error.\n", E2PROM_DEVICE);
7 ^/ p) F- ]; w4 T1 ~/ `2 M, a - return -1;
: h/ x! ^) @# J- N - }
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2 R) J; M# w. O, q* p7 R& U- return 0;& n+ I7 g4 d' C8 ?0 X
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) V, R7 }' g9 `+ O& @$ O- int main()$ D) J- z4 D# G% Z/ N2 \
- {
% {" v: W' n6 v* Y! }' ]' u - char c;
" H; Q( V, P$ ? - int i, macs[6];$ K5 q# _" F2 R2 ^, ]& V2 G4 h
- unsigned char mac[6];, c; |- R: f3 S7 w& x. e
- unsigned char stbid[256];7 T, z$ Y# |% n! H
- 3 I% R+ F3 P7 T2 m( A# p
- if (readparam(mac, stbid) < 0)
( C* d' w' S6 W0 m9 f6 x - return 1;: R; y' }$ i! n3 v* ^3 z1 h' @
- $ B/ N3 D) d6 Y0 s" [# h
- printf("Current parameters: \n");
5 \" s; L1 ~4 z2 g4 j - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 p/ z+ {9 R0 [: G4 d5 F
- printf(" STBID: %s\n", stbid);/ d& P$ r$ J2 L% ?* { t v
-
" s* `; U2 `: w! _ d+ U - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ U- s# t- l# f$ N5 m
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) { n6 J; Y5 |6 D% T1 r
- printf("Input MAC error\n");
3 U9 ~2 F2 T% ~ m - return 1; U" [7 d6 e1 m4 `" b$ D/ u2 t
- }
( ?7 d5 `8 G' X( `$ V0 m - for (i=0; i<6; i++)mac[i] = macs[i];
4 J) k7 c5 C+ {8 f2 K - printf("\nPlease input new STBID: ");
* J3 T. g' @" }' b e- ~ - scanf("%s", stbid);( ?, m! |8 ]7 G. d s, T6 R6 W
- if (strlen(stbid) != 18) {) w8 D- d; K* { B1 y1 P0 `; f
- printf("Invalid stbid\n");! X+ [' }& E# J" W# w: c! F- @
- return 1;3 c1 ]2 s0 ] S& h
- }, h: z5 r5 w; n
- printf("\nNew parameters: \n");" h4 c( i {/ D! E
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# e" i7 v5 i( [' G; O! `/ b) D5 N - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");9 o1 O* m7 T: K5 w" e5 p7 t! B9 h
- for (;;) {8 q* P. ~5 [/ d" @% K$ |, ~
- c = getchar();1 V0 a& o/ O" H8 d8 D7 X- X
- if (c == 'y' || c == 'Y')1 @7 h/ v6 g; @6 B; ?: V
- break;
2 B: `4 s% s i$ _4 `! _ - if (c == 'n' || c == 'N') {
5 q- {2 D+ @3 [5 ]9 ]% u, ^ - printf("\nAborted.\n");
. n9 h, z3 P3 J$ f2 ` - return 1;: O- R# k) e; H; u M
- }
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- if (writeparam(mac, stbid) == 0)
6 h7 ?# V3 L* l( v - printf("Parameters changed.\n");
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4 n1 e6 e9 N" a% f5 T% r# b- return 0;% p$ v9 ^5 [4 R1 A: E+ i
- }
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