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。6 D# D0 ^$ w! }
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h># i) k* v3 \/ }/ I7 G
- #include <malloc.h>
# X! w7 ^5 `4 S. |9 ?: v - #include <sys/types.h>" i ~7 m+ N1 N/ l' W
- #include <sys/stat.h>
% ^5 G! a& {# h - #include <sys/ioctl.h>2 H/ Q0 r9 r0 x
- #include <stdio.h># G# g/ r/ ? a0 H% }. O9 x
- #include <string.h>2 G" m9 q# X5 j2 G3 N
- ! D& h" [- ~: j8 f* ?+ a
- typedef struct {
/ ]1 p. F$ c) a - unsigned int e2prom_cmd_sub_addr;
5 K7 J! B1 N+ m) v - unsigned int sub_addr_count;
3 ~; F% z- ^6 t; l& F# Z - unsigned char* e2prom_cmd_data;
9 y/ q7 ?: }1 R& @ - unsigned int data_count;
) C% H6 \8 X. P- t# I - } e2prom_s_cmd;
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2 ]# Y7 J5 [ Z; m& _, B- #define E2PROM_CMD_READ 1
+ [' F9 C7 G! O - #define E2PROM_CMD_WRITE 2" s8 K# _9 T4 C; z- Y8 N
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"8 `/ n$ M, k" F* l# k7 e0 X
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- static int readparam(unsigned char *mac, unsigned char *stbid)- d. w5 A7 n- s6 K
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- int fd, ret;% O8 A4 Y w$ B3 t+ F+ J
- e2prom_s_cmd arg;& U$ r/ Q4 u1 r( @- y2 O3 `
- unsigned char buf[0x18];
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$ V) x- J3 d% p q" _+ ^! Y% z; s- fd = open(E2PROM_DEVICE, O_RDWR);
9 ]) M0 _4 \/ M- F; x - if (fd < 0) {" k% }6 |* n3 e- [1 }; e
- printf("Device %s open error.\n", E2PROM_DEVICE);
% q& T, c; ~% O+ k: Z4 a - return -1;; P) v; P4 l; k: I1 b* k. p
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- arg.sub_addr_count = 2;+ K6 I. e% r7 j5 W3 X
- arg.data_count = 0x18;- o' c6 v2 k2 ^9 Y' S2 b
- arg.e2prom_cmd_sub_addr = 0x290;* V& i* y3 v8 b3 q6 [
- arg.e2prom_cmd_data = buf;3 ]+ X3 a; i! e0 a6 a0 g# Q, f
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);9 p+ R) {# m* d _# t3 g" U
- if (ret != 0) {( J! {9 j0 a$ }2 E! x
- printf("Device %s read error.\n", E2PROM_DEVICE);1 |1 U9 W5 U- A5 I9 C
- return -1;4 ^ C- v* D+ g1 A- F9 N
- }; h4 J$ [! W' b3 r( K) c! F0 w+ d
- memcpy(mac, buf, 6);& ]+ H B# L- ~
- memcpy(stbid, &buf[6], 18);; @& U l r5 `" u
- stbid[18] = '\0';
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3 u7 i$ t) n! X7 V4 t) {- return 0;3 l0 |' [. }- S5 Y. A7 _
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- / S# p% s- l+ Y/ w& B
- static int writeparam(unsigned char *mac, unsigned char *stbid)
, _$ L6 }8 K- F - {( d5 ?, `" F* q' a& e2 ^. c
- int fd, ret;6 j; ~. N' ~; C+ A7 i+ E
- e2prom_s_cmd arg;/ `% d0 T+ o% ~! _1 a/ W3 W( \
- unsigned char buf[0x18];" v% Z* A3 l5 k7 r" Z& y- ?
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- memcpy(buf, mac, 6);
D6 r. j0 u2 {* ^2 b' l6 z0 P - memcpy(&buf[6], stbid, 18);
' T* j. o {! C# s @# ^ - fd = open(E2PROM_DEVICE, O_RDWR);
" W6 n' ^/ X# g$ W3 k0 y( G - if (fd < 0) {1 ]( E. Q3 D% P1 o
- printf("Device %s open error.\n", E2PROM_DEVICE);) {( {/ `5 u9 p$ [
- return -1;9 A9 o* z( h4 Z0 ]5 \! P. Q, w
- }
8 h. ^% V7 B9 Y - arg.sub_addr_count = 2;8 \. Z5 H# x: ?
- arg.data_count = 0x18;
5 H$ [( g* S. h6 N' ` - arg.e2prom_cmd_sub_addr = 0x290;7 Y2 B; H! Q5 t6 ~
- arg.e2prom_cmd_data = buf;+ [: B2 @- _& Q5 ]$ x
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
3 p0 a* x: K) Q) p - if (ret != 0) {
# X2 P% m( q6 H3 g* } - printf("Device %s write error.\n", E2PROM_DEVICE);2 q) R/ s! y, u4 r) m$ W9 Z- j
- return -1;+ A7 r B3 A4 x! B; [
- }
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1 l( g/ I! X. M' |% \ a- return 0;
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- int main()0 K, u! k: c, F( p$ o. A
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- char c;
+ i- k- S9 J$ @' y! R4 y - int i, macs[6];
+ V7 [8 ^4 \4 ` - unsigned char mac[6];; O# o' g% b1 M. M) g* y( G: |
- unsigned char stbid[256];$ g& r+ l5 S0 p2 ?6 s7 r
- ! Y& c- t i) ]4 \3 L' J
- if (readparam(mac, stbid) < 0)9 H& y" l; D* K2 K" I+ o+ j8 \
- return 1;
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& B) l5 X7 m9 \- printf("Current parameters: \n");$ Z |* M9 _/ I9 Q) v! `
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 o/ U. d4 K1 e$ M1 s6 i - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
; e6 z( ~7 e8 P) b. [, w - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
5 v* o, _4 q: V1 p" n% U/ V/ m - printf("Input MAC error\n");$ T- D5 }* S, c8 `1 }. z8 N
- return 1;, i) m- X5 U1 @
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- for (i=0; i<6; i++)mac[i] = macs[i];- J9 \) z( j0 e% j' O" y
- printf("\nPlease input new STBID: ");
8 X+ h8 _% g7 C+ e2 ~. j1 v" j0 Z' _ - scanf("%s", stbid); l4 X% B! x7 G' y5 z1 Y. D0 s, l
- if (strlen(stbid) != 18) {
" r1 W" l4 d) b6 i. V3 Z `" ^# Y" I - printf("Invalid stbid\n");0 q% J5 z+ _0 C& H" x4 _/ ~# j
- return 1;
* x2 U9 L/ i' p% @2 _6 `6 P - }* s1 d, x& E# b7 I
- printf("\nNew parameters: \n");
! u) \ ]6 n; j+ m2 ?1 I6 ^+ J d; T - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; T- g* a v& f+ Q7 _ - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");) `& ~+ Z {2 Y5 V. |+ n7 S3 }
- for (;;) {- x/ K |" a7 `4 c( E. O
- c = getchar();0 a" u( w( Z3 q: Z5 f
- if (c == 'y' || c == 'Y')
9 J9 U; o+ D& y9 O+ T/ B - break;
8 `2 D0 k4 ^% i3 A9 { - if (c == 'n' || c == 'N') {
$ C6 \ a! V0 \1 \ - printf("\nAborted.\n");
$ D- \. J7 [% r7 `( H; Q; g - return 1;
/ J0 u9 B; L/ m; Y3 P4 ] - }
/ k8 X7 C( Y* D9 e3 b o, Y0 ? - }
# X2 L0 R; `' w( G - if (writeparam(mac, stbid) == 0)
6 h( h' [" I- U" q- M - printf("Parameters changed.\n");
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% i* Z w; Z$ z% _ R) ~- return 0;" `( k# d/ F' {5 m" B5 P
- }
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