本帖最后由 0522 于 2012-3-21 23:04 编辑 . P: d/ e$ B3 o2 z ^+ W
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修改的代码早有了。到今天不会编译。 } A+ ^8 W+ m# u( v K, _
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# D% c" g# n0 v8 D2 g7 l. u - #include <malloc.h>
! Q7 a& U ?9 I' U$ F# W2 M - #include <sys/types.h>. \) a( G. D- L% V4 h5 l8 f5 y1 p
- #include <sys/stat.h>
3 b# K. Y+ z; N - #include <sys/ioctl.h>* p# h0 t$ g2 u) h) f$ r. r* V
- #include <stdio.h>* e2 l# A7 U4 L
- #include <string.h>6 ?; T1 N6 ^4 p0 W
- 0 v3 F8 S* B* Q1 ~: X- D. [
- typedef struct {
8 }/ p' M. y" ]) I5 m* [/ B - unsigned int e2prom_cmd_sub_addr;- u8 k4 b+ g2 ?( O, f
- unsigned int sub_addr_count;
, h( O$ x& X1 J3 a$ U; p - unsigned char* e2prom_cmd_data;( R% Z5 t: b+ Y0 c9 N
- unsigned int data_count;
2 U- @; }3 ^* }$ l8 T# Y - } e2prom_s_cmd;# q4 p( L0 C) m* r
- " \+ {! M' m& N
- #define E2PROM_CMD_READ 10 {+ _9 z& ^6 j- k6 R
- #define E2PROM_CMD_WRITE 2
2 b- m t3 H/ m8 S - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 E6 _+ ~/ m, A& I: r
- 1 j; @8 T3 w' @! [5 Y$ [
- static int readparam(unsigned char *mac, unsigned char *stbid)# |) @& Y7 p6 E c' y- s
- {
q0 _. Z2 \2 \3 { - int fd, ret;0 E) W: U2 I. H! y3 X
- e2prom_s_cmd arg;8 x$ {. B1 A: `" x+ h& L ^
- unsigned char buf[0x18];
# j8 d9 f, t6 y* Z. `9 \ - % ^' S; R' D0 r% U- d
- fd = open(E2PROM_DEVICE, O_RDWR);
- {. q& S6 ~/ h/ W& d% y; D! m - if (fd < 0) {& }+ K3 V- a9 l5 q1 z
- printf("Device %s open error.\n", E2PROM_DEVICE);
5 i! q* m# F. X- ~6 g0 ~ - return -1;' a1 [" x, ?0 s: b8 V& a$ S9 f
- }
) k! R/ k) F+ G* n% ?$ F9 E - arg.sub_addr_count = 2;( p, A- x3 N1 g& Z. e
- arg.data_count = 0x18;
3 x3 y# i0 K9 N; \. ? - arg.e2prom_cmd_sub_addr = 0x290;
# [+ G7 L. A/ s# |: B ~ - arg.e2prom_cmd_data = buf;
5 o3 P% \0 o0 i8 r - ret = ioctl(fd, E2PROM_CMD_READ, &arg);1 p" n5 x: Z4 J& s) `' c. Q- W
- if (ret != 0) {
* @) ?/ Q: U3 O - printf("Device %s read error.\n", E2PROM_DEVICE);
- j# r" `" X- f - return -1;
; d2 O" N/ R! t9 o4 ~% G6 } - }
- E' J2 I. u) N6 a' E5 U' { - memcpy(mac, buf, 6);
$ L& Y5 L; F) K+ G9 m1 J - memcpy(stbid, &buf[6], 18);9 Y& D6 K9 I/ k5 K/ i7 \
- stbid[18] = '\0';# ^/ Z! d) C1 ]0 R9 q
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- return 0;/ S6 O& u4 H# e* y. [8 }$ S& w
- }
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$ ]& b, _; @* O- static int writeparam(unsigned char *mac, unsigned char *stbid)
; \- {/ J0 q( z - {
7 i5 D& U! ~% |8 d3 g$ G' E* Q - int fd, ret;7 G6 v7 b r, D) C4 t$ V# H/ M
- e2prom_s_cmd arg;
. H! B- X4 G y) Q( N - unsigned char buf[0x18];( \2 ^7 ?8 ]( W
5 {2 K3 s5 v p. u! Z% r- memcpy(buf, mac, 6);
3 U* A. U- b! g- [8 p: s - memcpy(&buf[6], stbid, 18);
& u) A# f+ W5 g3 J6 X& A - fd = open(E2PROM_DEVICE, O_RDWR);
k5 F: C' [: ` - if (fd < 0) {2 Y0 X0 }( \: l) h: O J
- printf("Device %s open error.\n", E2PROM_DEVICE);
5 k6 P* z5 k6 E7 \* x$ p' U1 l - return -1;1 }7 A; n- a. s! [ Q8 e
- }
6 X6 S' L+ x; [& Z - arg.sub_addr_count = 2;6 Q; V7 V) N, K l I
- arg.data_count = 0x18;0 L* J V: o3 ^ K/ Z
- arg.e2prom_cmd_sub_addr = 0x290;. Z* o1 O7 j( }9 ?" x5 v
- arg.e2prom_cmd_data = buf;/ A% ^/ ^6 d" k
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 v2 |* i O) t0 M - if (ret != 0) {
% J7 Q8 P( q6 v) Y* Z& T - printf("Device %s write error.\n", E2PROM_DEVICE);
* L+ H4 D7 b& B* `# b! g) a4 D1 J - return -1;( P/ Q) G m3 c( x' x- }9 Y
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1 a3 t" H! s( r- return 0;/ o/ C' o7 ]2 b2 H
- }
% e3 F/ {3 D2 e! o/ Y) D
$ P3 }3 f& j7 M) D8 A6 n- int main()
1 v; ^! J1 |( k2 t& F- n/ } - {
2 v. _- b% F. i% I% }8 R, {4 b - char c;
& f% L; R# v6 ^& ]0 k8 R; G - int i, macs[6];- V9 l7 i9 W7 y" ]& q
- unsigned char mac[6];
2 D0 j- t8 i, j! ^ - unsigned char stbid[256];2 }( h* j+ M! r$ U: e
6 G5 h8 X; I9 a% e4 f- if (readparam(mac, stbid) < 0)) U- @" C3 M- l# Y T
- return 1;
$ g: \; b, R' [# p# w2 _* d - ( T! p0 Q0 u A1 L$ J
- printf("Current parameters: \n");
2 ~* [1 ^' U" A( D - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* h; |: ^9 Y- x* s# ^# q - printf(" STBID: %s\n", stbid);- E- K- _/ `0 ^- i7 \4 o* f
-
- C( U( X% k# g' K/ V$ c - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");& Z( a2 N( \/ A& D! y% ^* M- b, N
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) I8 C" K3 X9 ?( q# U: Y) v
- printf("Input MAC error\n");
4 y _0 `; L# W% p) m - return 1;
+ @% X# Q5 d8 m' T - }
: o, z6 q2 y1 @# M$ y - for (i=0; i<6; i++)mac[i] = macs[i];
8 i3 @; {" T" d$ R( V$ S9 ], l - printf("\nPlease input new STBID: ");/ E ]% V1 m8 f$ M/ d0 G
- scanf("%s", stbid);
: w) N0 X4 g. o3 ]8 v8 f1 X6 a - if (strlen(stbid) != 18) {
" `- Y1 |2 u" h9 i4 _ - printf("Invalid stbid\n");6 b3 v! e5 n9 \( k& D. j
- return 1;& R6 M) U7 F( o- G- P8 _+ `% E
- }& [) S: k* F/ ? J7 u7 k" L! Y
- printf("\nNew parameters: \n");, u. O2 }5 d6 r& G. |
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" }" W$ I$ O, n# W" S) J3 g
- printf(" STBID: %s\n", stbid);5 S3 n( n7 Z7 S
- 3 N9 U; Z8 u# M7 X
- printf("\nDo you want to change paramemters? (y/N) ");3 X- e( e3 G! n. H( k
- for (;;) {& N$ w: U' p% E8 ] R
- c = getchar();
8 l" i4 L& H3 { - if (c == 'y' || c == 'Y')8 s8 A% V9 w: k6 I7 R
- break;
* |4 X: s0 r, p) Y. c - if (c == 'n' || c == 'N') {
# k3 a; t; [: Y7 f, M$ J1 V - printf("\nAborted.\n");
) w5 Z Y. d E' R+ J$ p) \ - return 1;+ n+ j, H% s% S( T; ]1 ^6 V0 X
- }+ Z z- C% j5 O4 x
- }
+ K; Q5 O6 H, {( w - if (writeparam(mac, stbid) == 0) 3 _1 K; u0 K: d/ j$ X
- printf("Parameters changed.\n");
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- return 0;1 k* K3 N' `5 x- c0 @ f
- }
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