本帖最后由 0522 于 2012-3-21 23:04 编辑 ( H5 m" {" Q* o8 e* L ]
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修改的代码早有了。到今天不会编译。
c$ v. y+ U/ E/ z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: ~) a& m9 e/ E" H
- #include <malloc.h>: b- j3 J9 u: r. I6 p: H5 m. A4 r
- #include <sys/types.h>
3 E/ T1 u- W4 P3 N - #include <sys/stat.h>4 A( N* k, c/ @1 }. H" \
- #include <sys/ioctl.h>
8 Q; M" M' |) t! |" b - #include <stdio.h>7 C. X- E! g$ D
- #include <string.h>
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4 h6 x( n5 a4 j% [0 R. c$ _- typedef struct {- _; N/ X$ q; N$ `1 i! m! J/ b! c' A
- unsigned int e2prom_cmd_sub_addr;
) v$ Z. T5 y; r8 m' S2 [# J( a - unsigned int sub_addr_count;
6 B d4 ? l9 J2 M% p% _ - unsigned char* e2prom_cmd_data;
3 a2 v5 f- B% p# M - unsigned int data_count;8 Y6 {3 h7 t! U" K
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
+ V) {1 r/ l& O# n( P- K* N - #define E2PROM_CMD_WRITE 28 u# E+ {7 h% L6 J6 h' I1 C" n
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
2 ~$ i& F+ K5 L5 B) b$ ] - {
+ x" F1 l1 J6 g& o3 } - int fd, ret;
% ]7 L! O2 z8 U9 [, O& T - e2prom_s_cmd arg;. K1 X$ B% ^' s/ M5 B$ V* W
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);" T9 d s3 P, A) f! l2 L* ]
- if (fd < 0) {- Y, a b$ J# y9 z6 D# t& R3 h1 E
- printf("Device %s open error.\n", E2PROM_DEVICE);- X9 t- n1 b1 ~$ d5 t# i& L
- return -1;
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- arg.sub_addr_count = 2;. S k/ U) @' q) ^
- arg.data_count = 0x18;5 B u: `1 o3 z" k3 X, _! l
- arg.e2prom_cmd_sub_addr = 0x290;
' N2 w, w* ^8 g - arg.e2prom_cmd_data = buf;: ~2 {. a. u* Y. X I" @
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# U# c4 W' _! N9 O - if (ret != 0) {( _3 _, Y! X6 N: S5 j! Z3 U
- printf("Device %s read error.\n", E2PROM_DEVICE);
* _5 |* n% L; l2 A - return -1;
) a* X8 [' u6 g. U5 n$ b - }
0 K: r4 n, W* R2 i/ M - memcpy(mac, buf, 6);
2 o: [7 t2 Y0 L$ e. [ - memcpy(stbid, &buf[6], 18);
6 H" I3 ^" S$ t9 m - stbid[18] = '\0';" \1 h, A3 V) M! O; Q R! z
3 j8 X+ \) l8 U8 K7 `. M# @" _- return 0;
: e7 u4 R4 d- p. P; b - }
1 h" e- s+ X7 ^; C" W6 Z - ( d! J$ |% T- W6 a9 d- n4 {
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
' r1 B) S! O9 S; w- n9 z - e2prom_s_cmd arg;
& i0 R* r/ z4 P$ g( }( ] - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);' T8 @; C, u* I E" Y' q
- memcpy(&buf[6], stbid, 18);: C; v4 n* O. @8 O* C: n
- fd = open(E2PROM_DEVICE, O_RDWR);3 o2 Q0 W2 o8 }0 Z0 H2 m2 I. E
- if (fd < 0) {
! o2 C* l o; d4 S: Y8 a2 @/ ^ - printf("Device %s open error.\n", E2PROM_DEVICE);* g6 d' p7 m) H$ F, c& J1 q I
- return -1;
6 S/ d2 Z) z j" u! s8 ]+ A - }
* |( S* V9 m2 e* f+ {+ x. |$ F$ H: { - arg.sub_addr_count = 2;
1 ^. M2 T6 d# v - arg.data_count = 0x18;
$ ^: Z- b, c0 r8 M - arg.e2prom_cmd_sub_addr = 0x290;; L* D; P8 a; d, e0 E
- arg.e2prom_cmd_data = buf;* T: C" g; D( \5 N4 A% [
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);- i- c4 u/ z2 {: C d- B8 F, ^, O
- if (ret != 0) {, \5 n, g P; x4 y
- printf("Device %s write error.\n", E2PROM_DEVICE);- P0 ]* k- Z6 F) q& c
- return -1;
d) a5 t, S/ r# r9 U& G5 E, C - }
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- return 0;! Z6 q# B0 }( I: F
- }
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- int main()! O4 Y. J! P2 ?( K+ z4 Y; ^6 ]
- {
8 q3 |' D5 ~7 p9 X) B - char c;0 T& _, c1 n& x, `1 q- U! K4 o( X
- int i, macs[6];
- D) e2 t; y W8 Q, a - unsigned char mac[6];8 X" O% f' ]& h$ s' o
- unsigned char stbid[256];5 i( `) C2 ]8 } x) N. z+ D' N( d
- * F( j9 `0 Y8 v4 O$ q0 k z
- if (readparam(mac, stbid) < 0)
- V! j$ j4 i- L& N9 u7 y3 K - return 1;
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7 U% q+ Q. ^+ x: O/ `! |- N, u- printf("Current parameters: \n");! P2 H7 {0 E9 G3 O4 O
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% [( M9 `0 K- @% |, x3 t( \# J
- printf(" STBID: %s\n", stbid);
3 U$ [; F9 T5 y, \9 G" n! y -
4 D* k2 Q2 v; L, P$ w3 E$ W) S - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
2 E. Q- X# I2 f7 N - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
! E3 t J3 H* j - printf("Input MAC error\n");
( a% r f5 B6 Y4 k0 o - return 1;
( |6 ^9 ~- R3 U' n - }
+ Y! X% A7 @. Y( B - for (i=0; i<6; i++)mac[i] = macs[i];
" f$ t9 e7 k/ r3 O5 {/ U, C7 S9 c - printf("\nPlease input new STBID: ");1 Q# D' G) N1 O9 p: \
- scanf("%s", stbid);
# z9 }; b4 F' l$ z7 ^3 n - if (strlen(stbid) != 18) {
1 t4 x+ o4 L- `- L, \/ d- c - printf("Invalid stbid\n");0 L0 i4 B* x2 J, K# P; \* N
- return 1;( g1 l3 S0 Q9 Q0 x8 J5 m/ r: L
- }
2 A8 \5 A, w% A" x: P - printf("\nNew parameters: \n");7 u3 Y. e1 J2 |4 E$ t" [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 y6 [0 m9 V' |* y, V - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");5 }0 b( i* l: e/ l3 i8 I
- for (;;) {
3 G. R4 U; z0 s( F) P; v) B - c = getchar();$ ?2 @1 y7 x& H; @: \
- if (c == 'y' || c == 'Y')) a# ^( g+ F4 b, n4 w
- break;/ j5 b' `. K+ H& w: v
- if (c == 'n' || c == 'N') {7 I1 g$ J6 o4 d1 T. l! _0 S
- printf("\nAborted.\n");+ u+ ~$ W: v, P& J* D$ [( h
- return 1;
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0 [( Y% v7 D. y9 p) h/ X* y - }" y2 |' O$ g* ^! ?- i: m
- if (writeparam(mac, stbid) == 0) # H3 `% @/ p9 A9 v: U
- printf("Parameters changed.\n");5 U( C$ C2 \2 c3 t8 V3 x# w
- 1 O, y1 C3 Q& c0 u5 b
- return 0;% L) c3 U, O+ U2 a' r, f* K
- }
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