本帖最后由 0522 于 2012-3-21 23:04 编辑 4 `0 s1 A. Z! ]9 ^ i3 Y% p L
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修改的代码早有了。到今天不会编译。
3 G: f* e% i3 a$ p5 Z: `" @9 z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
. g4 ]. x8 b2 I - #include <malloc.h>
* a8 D: K7 q. J2 p" R& @ - #include <sys/types.h>
2 X4 g' C) ]5 n' K - #include <sys/stat.h>% \% w& Q, V% r4 }1 Z" _
- #include <sys/ioctl.h>
/ w5 i; Q' q, t8 f - #include <stdio.h>
/ W5 E$ E1 b+ S L# j - #include <string.h>
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( y0 q& d; V( @+ F9 U2 L) G- typedef struct {
8 K6 y" @/ m- q ?7 } - unsigned int e2prom_cmd_sub_addr;
: S! s& q3 f2 C/ B8 L- p; T' @ J - unsigned int sub_addr_count;
+ d. ^( g( ?$ s( |, [ - unsigned char* e2prom_cmd_data;7 g6 k, }6 w: i" p" f8 e' W: M
- unsigned int data_count;
, ]) D+ l' o; y# e - } e2prom_s_cmd;/ _6 Z; m8 `5 `$ n0 {* r$ n: f
- $ J1 A6 s2 J5 ^2 o* t
- #define E2PROM_CMD_READ 1& ]% B) C6 O+ Z' M! g. ?: P$ z
- #define E2PROM_CMD_WRITE 22 ]6 }+ @' `8 O# n
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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/ a) t" q' W- Q6 ~+ @, i% V- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;# i. {+ a& t+ o+ q3 k, o7 n$ y/ L
- e2prom_s_cmd arg;
& ^5 O Y. _9 C# u. l: R6 a - unsigned char buf[0x18];( e9 l/ R* I5 t9 \" h% j/ l
! J, _# v1 c9 p. ^% ?) \4 e- fd = open(E2PROM_DEVICE, O_RDWR);
% B1 j4 N' \5 g" y" Y" C2 \7 e - if (fd < 0) {
& [% y4 i; d* @+ n0 U4 w1 d" V - printf("Device %s open error.\n", E2PROM_DEVICE);
+ o% m9 l0 Q6 q% V: L0 j3 m% _3 Y - return -1;2 l2 J8 Y" n! s& H2 _3 d
- }
5 {- N- e2 h1 }! J' \/ Q - arg.sub_addr_count = 2;
) ]& k1 ^" x: W; l, E - arg.data_count = 0x18;. [0 p: r2 [. g9 K, R
- arg.e2prom_cmd_sub_addr = 0x290;
$ c' z6 c% ]$ L8 ~3 ~# o- B - arg.e2prom_cmd_data = buf;: k" F+ r- K7 n$ J' ]' |0 @6 K
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
3 _* c/ w' ~4 q - if (ret != 0) { ^+ z$ x& K+ x! x6 k1 B
- printf("Device %s read error.\n", E2PROM_DEVICE);
$ P- n$ A7 D1 t- Q) \) l - return -1;
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- memcpy(mac, buf, 6);, ], g& ~! ^: ~. n" n$ a# i
- memcpy(stbid, &buf[6], 18);1 F4 Y) t6 D- o
- stbid[18] = '\0';! y# B$ p6 e+ j' l* D9 x0 Z
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- return 0;2 H3 ]( l* k: k
- }
% {, r5 N6 r. ]& R, `$ ^' b. } - : Q- h& |( K# {
- static int writeparam(unsigned char *mac, unsigned char *stbid)
, W8 l% H; r/ p C9 Z - {
/ {5 h$ h9 u h3 b4 ?+ ^ - int fd, ret;
7 {3 A* [, m- y7 v- K - e2prom_s_cmd arg;( W. e' Q1 l7 Z0 \+ r
- unsigned char buf[0x18];
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2 o, E9 f1 l' A* K- memcpy(buf, mac, 6);
8 H, l) I) ~+ E5 t7 h, } - memcpy(&buf[6], stbid, 18);
( L1 S" R5 ?1 h - fd = open(E2PROM_DEVICE, O_RDWR);
$ c* Y- H0 h; L1 u, a) q/ F - if (fd < 0) {1 y- i# ?' J2 T) V* _! h8 @
- printf("Device %s open error.\n", E2PROM_DEVICE);# h* m7 | w1 `& n ~
- return -1;" g% N6 e# Y0 D$ C' o
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- arg.sub_addr_count = 2;
& F) o, c% ?5 L+ ?1 d - arg.data_count = 0x18;0 W W. e8 ^7 c: Y; x1 h/ n2 P7 F+ y
- arg.e2prom_cmd_sub_addr = 0x290; r2 G/ m- Z8 B1 [& `
- arg.e2prom_cmd_data = buf;4 y" H/ D6 k4 |
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ o w- v6 f ^" f1 I - if (ret != 0) {/ a. m6 z3 y* Q. R
- printf("Device %s write error.\n", E2PROM_DEVICE);
7 [/ h+ l( X/ n! U - return -1;+ T1 u+ }3 S4 s; F$ r
- }
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- return 0;
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- ; R: G% R& X8 s3 V9 D8 I
- int main()! V& @8 k4 Y! w% P
- {
) W: S3 @: s% k# D# [. ~$ b! ? - char c;6 K9 z0 `9 r8 T9 ?* N A4 B$ i9 R: w
- int i, macs[6];
1 F0 c" |4 h' \! p( b - unsigned char mac[6];$ V5 H: _) Z+ n! u8 v
- unsigned char stbid[256];/ c* J' ^) f$ s
; I$ P j' d" v2 O, M% O6 s- if (readparam(mac, stbid) < 0) l! n2 T5 Z4 {& H' N. z
- return 1;
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- printf("Current parameters: \n");
$ f1 k8 h# j4 e5 E - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ u& L* V3 Z$ H3 i" m$ E$ X
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");3 C" O: W) a( B" s
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
R$ X& l& {3 b: L - printf("Input MAC error\n");8 L" z# f7 |+ w7 }+ _1 R0 _
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];' d$ x/ {1 \: Y( O2 A% Y& R
- printf("\nPlease input new STBID: ");
6 W# v: M3 b3 n* u. R - scanf("%s", stbid);
# C& y5 M, i1 a8 }: G: N9 T+ M. n - if (strlen(stbid) != 18) {
: K4 R* w D2 U& g4 Y u/ T" q, E - printf("Invalid stbid\n");* N% T7 [; M% I Z) T
- return 1;1 F6 m3 z1 A4 x1 u
- }
& U* U6 y0 L' k4 V5 z* L - printf("\nNew parameters: \n");$ D9 P- R0 J9 x6 J
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 h. c$ d2 F6 k8 k: A - printf(" STBID: %s\n", stbid);
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; l; C- O& J5 z3 F6 r- printf("\nDo you want to change paramemters? (y/N) ");7 x9 C" U2 K; x( B
- for (;;) {3 k$ |1 r% x$ E5 O3 i
- c = getchar();" b$ t1 I- B8 b; N
- if (c == 'y' || c == 'Y')
5 ]$ b: S1 _8 [- \( n+ J8 J - break;3 G3 y& L& ?7 h' m
- if (c == 'n' || c == 'N') {* ~% X: i- ~3 N2 W
- printf("\nAborted.\n");: |: L! G5 a& I" R. L
- return 1;
0 _! \0 O) Z8 u - }
3 n9 Y! A) N/ W3 f+ U' S - }
4 O1 s+ `0 I/ ^+ m/ P6 R6 o& R - if (writeparam(mac, stbid) == 0) ) Z+ g! P$ ~# k) D* B$ o7 h4 z3 j
- printf("Parameters changed.\n");
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& C9 I* f+ T. x: p6 w7 B' {& K! Y- return 0;. J, y1 T/ S: K: ^& {
- }
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