本帖最后由 0522 于 2012-3-21 23:04 编辑 5 ^6 J6 |- }9 |2 }9 g
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修改的代码早有了。到今天不会编译。
4 Y8 f& |2 Q* }9 [/ S, M, F/ W需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# _1 ^; h, _+ t) {1 p - #include <malloc.h>, _6 U3 V+ F3 p, h4 K, q) b
- #include <sys/types.h> m+ q' r8 y: `
- #include <sys/stat.h>
' D. c$ _4 E5 P2 G) W+ e& i - #include <sys/ioctl.h>9 C, g3 s! i( Q/ C2 D W
- #include <stdio.h>/ ?3 _7 H9 x& K. W7 l
- #include <string.h>
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6 H$ \; o; D6 x8 o. @- typedef struct {
& H1 J m& K- w. W - unsigned int e2prom_cmd_sub_addr;
) a) H; e) C2 G - unsigned int sub_addr_count;
: P2 |- z1 `1 k. e; j - unsigned char* e2prom_cmd_data;
@$ j* n% i* y& x5 Z4 D# Y - unsigned int data_count;. _$ `: X9 G3 z; R- Q0 D$ y3 L
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 13 G7 |( O: z6 |+ n1 R
- #define E2PROM_CMD_WRITE 22 I9 T2 U/ n! G7 [; j* m8 C
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)0 i. F) V( Z0 a3 p' x
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- int fd, ret;0 a; R: ^1 l/ f; q
- e2prom_s_cmd arg;: [, r% |% u: f( s5 h# k8 ?: ?
- unsigned char buf[0x18];' J! s- a/ n' f" ~5 t+ v) u y
; U [! {5 b! m2 d8 w- fd = open(E2PROM_DEVICE, O_RDWR);
+ P/ |5 a9 k; d& a* c6 x$ g8 _ - if (fd < 0) {
+ l! f5 v. F. q2 U! T) e - printf("Device %s open error.\n", E2PROM_DEVICE);) g( P! L! E7 f
- return -1;8 P" R+ @; f# h5 ]7 N/ ?) i* D |
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- arg.sub_addr_count = 2;
u; W6 `: w1 u3 y - arg.data_count = 0x18;
9 |" g" O' }% I - arg.e2prom_cmd_sub_addr = 0x290;
' X h: ]- r, V; z$ [ - arg.e2prom_cmd_data = buf;
7 M5 ]+ k) N. u2 Z - ret = ioctl(fd, E2PROM_CMD_READ, &arg);) ^0 N' Q. ]8 |4 F" h
- if (ret != 0) {
! b( L' t) t+ j; v+ ` - printf("Device %s read error.\n", E2PROM_DEVICE);
) y& T! S4 N* D- k; U - return -1;
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- memcpy(mac, buf, 6);
X \9 n9 ]5 }) L5 ]7 E3 |+ o - memcpy(stbid, &buf[6], 18);
5 k, o; O! J4 P: M0 H' i( q" Q - stbid[18] = '\0';; X0 P7 g! s* R- r7 T/ G
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- return 0;4 {' C, C& k% n
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)2 Q. Z# p9 w0 v
- {
2 _2 ]3 V* T, C: `' E; {- U, f - int fd, ret;
$ K3 P3 L( X4 p1 ^( l - e2prom_s_cmd arg;) N5 f6 J; d T, l x
- unsigned char buf[0x18];$ C5 r5 r4 M, f& p+ D. F/ A
4 W- h) v, \; u8 C% z$ {( Z$ \% Z- memcpy(buf, mac, 6);
2 x6 H9 i' l9 f6 m9 c% {& v" e - memcpy(&buf[6], stbid, 18);) W$ p, x. `3 d( x. u6 N9 f
- fd = open(E2PROM_DEVICE, O_RDWR);
+ _, c$ E. b1 M, K# @/ T - if (fd < 0) {, q5 _$ c* M4 T1 d: e( Y
- printf("Device %s open error.\n", E2PROM_DEVICE);0 Q7 V2 Y2 ^8 I, q5 w, b
- return -1;+ N9 O( i- L. t; Y5 j
- }
' f( V# H. N0 |7 ]+ b; f - arg.sub_addr_count = 2;
% X- E) \: T: ]( E - arg.data_count = 0x18;
5 P3 ~! o5 u J' X - arg.e2prom_cmd_sub_addr = 0x290;5 L' J. } e! U
- arg.e2prom_cmd_data = buf;; ?# M+ o* y g3 m# k$ C P
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);: I3 y4 V: t( S7 y
- if (ret != 0) {
2 _& X0 u6 o7 f0 g. C7 V - printf("Device %s write error.\n", E2PROM_DEVICE);+ t3 Y/ r( s1 A1 z
- return -1;, v: e+ x# h: m0 J5 r; O& x
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+ _5 |: S; t% M; Y, C$ L- return 0;4 l, J: [, N! B$ h' n+ S
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- int main()
^: r; T8 ?% h p - {
: c/ I8 L5 U0 X% A - char c;
2 m& S" n3 |7 q - int i, macs[6];
8 }, @1 J8 Q! W. ~; { - unsigned char mac[6];
+ Q8 O! T2 _% Z6 O8 ~6 u2 M2 I* K - unsigned char stbid[256];+ r6 O# m( w$ [5 \* h5 z
- ( |6 g6 \0 [! O2 ], Y. R# o3 Z
- if (readparam(mac, stbid) < 0)0 E; i( w- x: _0 v
- return 1;
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7 m5 h3 c1 [ x) R- printf("Current parameters: \n");
, c- o3 r2 I1 ~! P - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. ]6 s1 |- O" _
- printf(" STBID: %s\n", stbid);! i: _9 @& m; U
- 8 i. J- R; B. I; p1 @
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
6 I: W* L$ r9 H) k6 Y - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {5 u0 d& f4 m, E1 @2 S) o, c2 K( Y
- printf("Input MAC error\n"); r+ W; A- Y0 b- @, l
- return 1;
, x. w8 T8 d/ } |& i( ] - }
+ f8 X# H t3 m4 B1 B+ g - for (i=0; i<6; i++)mac[i] = macs[i];* W3 E" @3 p5 ~: b9 _
- printf("\nPlease input new STBID: ");0 z# h) F, E/ ~5 {, `! P
- scanf("%s", stbid);1 l" O4 r3 j7 U9 j
- if (strlen(stbid) != 18) {
. z: z4 v2 M% M r - printf("Invalid stbid\n");
[7 `6 _& o& D/ k3 l- T - return 1;
3 y2 C6 J- S8 m' P - }
7 W, A% o& u' `- Z* | - printf("\nNew parameters: \n");. \/ @5 F0 |" y M% \
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: n5 U5 Q% V- e2 c" ~+ Z - printf(" STBID: %s\n", stbid);; k+ |5 |. O: E! X1 k
- . T* X h% |/ @; g
- printf("\nDo you want to change paramemters? (y/N) ");* w$ D6 u* Y) y' ?* V2 M: W
- for (;;) {$ n2 y9 @7 s$ [
- c = getchar();( g% F. [( `& A9 Y" d) x
- if (c == 'y' || c == 'Y')5 L/ O7 _; W# ?( x: \6 n$ [
- break;
7 i3 A1 Q, L5 t7 L F. v1 Z - if (c == 'n' || c == 'N') {
+ \7 f/ D& w) `- D - printf("\nAborted.\n");
# i8 \4 j9 V0 q; A; ^ - return 1;1 q, e, e% Q; L; o0 I; Z1 z$ ]
- } } |: O: {/ Z4 G1 ]
- }
. f8 B7 F+ @/ S - if (writeparam(mac, stbid) == 0) & i; I x/ ~1 H" ^) b) T
- printf("Parameters changed.\n");: O& j+ B8 j P7 i! Z% r
- : Q) M6 S3 k' m7 w3 \
- return 0;
; S$ y/ S9 Z# P8 d - }
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