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。& P8 w. [% F/ J9 w0 A4 d2 y
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
9 m7 Y* t+ n* d: P3 c5 @ t - #include <malloc.h>/ E6 X, J! Y1 L5 r
- #include <sys/types.h>
3 f# T0 Y4 k2 w) P j* s; W - #include <sys/stat.h>
9 r* q3 _, U2 {0 S# } - #include <sys/ioctl.h>
E i' U3 B( O. \' Q/ |6 T, E - #include <stdio.h>
) Z1 |! c c+ ~, L" N+ x- q2 f# y - #include <string.h>
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- typedef struct {5 y$ x; Z0 q) R+ @
- unsigned int e2prom_cmd_sub_addr;
$ B' p- ^% ^' e) r* A0 z# ] - unsigned int sub_addr_count;: a# d; L# o% o1 D/ f& h4 m4 A
- unsigned char* e2prom_cmd_data;
8 |( \, D8 {( Z - unsigned int data_count;
, \) {0 f$ Y [3 R- `+ ~ - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 17 ?, y/ B2 b( w+ A
- #define E2PROM_CMD_WRITE 2: H. l# d4 E: k" W
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16". D2 Q7 C" O9 v" A7 M, }2 u3 N
- 3 o- ~+ X9 B' v8 b/ U, q
- static int readparam(unsigned char *mac, unsigned char *stbid)# U- N1 c A- e0 e
- {
5 ^6 m. {. h, Q& r - int fd, ret;
0 a; ]$ ]' Q) t2 V4 {( w! H" b } - e2prom_s_cmd arg;
( u3 j& Y) H. a" J, ~ - unsigned char buf[0x18];" F0 h* `# W, N+ h5 [
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- fd = open(E2PROM_DEVICE, O_RDWR);
1 b. T* D/ B& E H7 j/ u' g& w - if (fd < 0) {5 ^! T1 d7 T* v) V- T6 A
- printf("Device %s open error.\n", E2PROM_DEVICE);! w/ R. G9 t `8 [
- return -1;
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- arg.sub_addr_count = 2;- n/ d" G- c& k' [+ M
- arg.data_count = 0x18;# `% d1 v& U0 J, z; M' U" s$ w9 e
- arg.e2prom_cmd_sub_addr = 0x290;/ u% i T' S8 \+ d
- arg.e2prom_cmd_data = buf;
6 A: v: |% L m* [ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ N4 V, L3 \4 z: V1 r+ ? - if (ret != 0) {. k, p$ x3 O I2 U3 k5 c5 [+ ]
- printf("Device %s read error.\n", E2PROM_DEVICE);) g3 X* F0 h$ w5 K9 I% Y5 Z
- return -1;
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- memcpy(mac, buf, 6);
) T- x# H( w$ V: k - memcpy(stbid, &buf[6], 18);
! C7 d. K# \$ @2 M! P. ~ - stbid[18] = '\0';
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7 T$ Q+ u7 f5 H: D3 @! G- return 0;
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6 y N m( @0 l" g3 X- static int writeparam(unsigned char *mac, unsigned char *stbid)' R8 r8 b" j0 T% ]1 X" C* F/ g
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- int fd, ret;
2 W+ L. b% `- J3 Z- \' a0 [/ [ - e2prom_s_cmd arg;2 V( |( \' R9 t8 C6 M0 ^
- unsigned char buf[0x18];* z& Y) c6 \0 J K1 u
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- memcpy(buf, mac, 6);6 o( Q+ |- v: F' s1 G4 K2 p
- memcpy(&buf[6], stbid, 18);9 d7 Q5 J% o7 d
- fd = open(E2PROM_DEVICE, O_RDWR);
! f+ Q' F2 H* { - if (fd < 0) {
/ t j, u/ \6 q& X' ], L( e - printf("Device %s open error.\n", E2PROM_DEVICE);
. Z" h4 p( q0 A$ y5 _3 Y: x4 @& z - return -1;
) M1 J2 x4 m* `7 a! a* e3 L" {, f0 u9 e - }
2 p) Q. E& ?1 Q2 S$ b - arg.sub_addr_count = 2;
/ I4 M; O! B; A - arg.data_count = 0x18;( K3 K" d: O6 Y4 n+ c; a
- arg.e2prom_cmd_sub_addr = 0x290;
9 v# W5 F3 x+ c* x8 b& l! w - arg.e2prom_cmd_data = buf;
+ {$ d3 I7 E; P5 r5 _& X P5 n, d2 ? - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 M/ V& T+ d+ B* [0 Q9 z# ` - if (ret != 0) {- ^5 w1 k$ k% Y5 _1 r3 F+ Q
- printf("Device %s write error.\n", E2PROM_DEVICE);
6 ~8 K) p1 F; C- Y2 b/ H# N" A - return -1;
& |' d& {* ^6 g- n- c, c% d - }
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- return 0;
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X8 d9 O$ `* l% y5 V5 a- o+ {- int main()8 K- J7 m" \$ g# L. e: O
- {
. W4 b0 A' s7 |/ G- W - char c;
4 _3 O3 w5 s! k5 W& e R/ b: A - int i, macs[6];
$ U, i. z$ q" a2 p) N9 {6 o - unsigned char mac[6];
! x0 d% x% w/ n1 c/ N - unsigned char stbid[256];/ j B& E% I3 R3 i* q; A
- ! J* f5 W& U, f& B
- if (readparam(mac, stbid) < 0)) V1 o, j# T9 `+ D+ W) I% D
- return 1;; m: S: ~; p0 y5 T8 z) f
- 0 _# ~& F. s' ]' p# [ t
- printf("Current parameters: \n");
/ \7 B0 h2 |2 y8 P- N - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 G+ t' y- x7 \7 m) r - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
8 y) `2 P7 r" N- M, W - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 K! P3 d) i8 A2 y. ~ ~
- printf("Input MAC error\n");
- J3 @: n V' \6 |" p' j, L T - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];6 I6 P, ], K# U, E
- printf("\nPlease input new STBID: ");
# c+ w6 u& v0 Q2 K - scanf("%s", stbid);0 y; a; @% [( I. R+ x5 c
- if (strlen(stbid) != 18) {
$ m+ P4 g# f7 {/ k$ I' K+ b - printf("Invalid stbid\n");
7 q! S. ~- V- F% N+ ]& a; B4 W - return 1;! R& u& t. k. d5 t& v# @
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- printf("\nNew parameters: \n");
8 G: f% s( H1 h, c - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
h( E, r u1 B# y* K - printf(" STBID: %s\n", stbid);/ E* X! T4 v7 M% Y) |/ P: ]
* c4 I( F! R* H# y! g, |% A6 a7 r- printf("\nDo you want to change paramemters? (y/N) ");
2 V3 n' [' h9 o _/ | - for (;;) {( i* L% z5 u+ ], e, \9 ^3 ?
- c = getchar();
* {$ N" t/ {1 V0 f4 [ - if (c == 'y' || c == 'Y')
6 n$ a- I# y" r' T# B g% E - break;
$ B" q& V( L8 v" h# w - if (c == 'n' || c == 'N') {. d$ }: q$ e/ ]0 y d" }5 U+ p1 y
- printf("\nAborted.\n");1 l2 g; ^# R) Z, n
- return 1;" x, t; J+ w- B h% N
- }; y5 p; \, p' ?
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- if (writeparam(mac, stbid) == 0) 4 x( W3 y0 V2 c C3 e$ c4 q+ H
- printf("Parameters changed.\n");
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- return 0;
; ~, q( K2 U+ H, ^3 k - }
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