本帖最后由 0522 于 2012-3-21 23:04 编辑
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' w) T: _. ^# }6 c$ k修改的代码早有了。到今天不会编译。4 y: g9 Q2 H& G- b3 d
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' v. |/ f! V' }% @; o+ e. l
- #include <malloc.h>: _7 k- Z# L' F* u3 y
- #include <sys/types.h>
4 a+ Q' Q' Z( F - #include <sys/stat.h>- E5 d/ N! V ~7 a' ^1 {
- #include <sys/ioctl.h>
0 A" y7 F2 r5 y5 J* m" u. c1 S - #include <stdio.h>9 z O4 N- ~# e: [: L8 C
- #include <string.h>/ ]" `6 {$ a2 {/ ~
- 9 F. X3 I% f; y( x" A6 \
- typedef struct {6 S& b S% K7 a" W! s
- unsigned int e2prom_cmd_sub_addr;, e/ n- }" j$ R2 W8 n; A% ~% g
- unsigned int sub_addr_count;7 n$ a* j4 l8 C" z
- unsigned char* e2prom_cmd_data;
9 \1 N+ \' e" P - unsigned int data_count;
1 b& I/ V* D- [* c7 Z - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
9 j. z4 k6 E0 F0 w, N A - #define E2PROM_CMD_WRITE 2
8 ]2 N6 x A3 W" V - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"3 N1 x% c' D! Y( D s( l! L9 I
8 R! F( a/ h# m8 |2 y$ N6 t4 p- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;+ z. w+ _, P. b/ U9 k# X
- e2prom_s_cmd arg;( L& K# a! }- j7 |+ r$ f' l
- unsigned char buf[0x18];
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, @/ y2 ~5 U h9 W* {$ M- fd = open(E2PROM_DEVICE, O_RDWR);
, P, G7 R% M. B5 x+ z% D. u - if (fd < 0) {: ?" I" a; L" p& ]& N; e8 @
- printf("Device %s open error.\n", E2PROM_DEVICE);( ?% P6 ~+ L5 H) e9 A3 z8 e2 j
- return -1;+ f, M1 N! a8 M8 D5 W: N
- }
4 g8 t- c) V+ |+ X7 m: j8 l - arg.sub_addr_count = 2;
' {& U# r2 q! N6 S6 ^& o - arg.data_count = 0x18;# s4 {( X1 y9 D9 r$ @
- arg.e2prom_cmd_sub_addr = 0x290;8 z& h2 h% v* f1 ^& a/ ?% t
- arg.e2prom_cmd_data = buf;& ?) Q n1 t' ~" Q
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
5 F9 y& b& s7 F$ q5 o - if (ret != 0) {4 d% {; ^" H% L( U0 R1 s
- printf("Device %s read error.\n", E2PROM_DEVICE);3 V, X0 p% ?7 g* Z5 R
- return -1;
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- memcpy(mac, buf, 6);9 o' k! Y- D+ I* m% X) @7 h& y( Z9 ~
- memcpy(stbid, &buf[6], 18);
5 }8 r) |2 J$ c9 z - stbid[18] = '\0';3 I( J7 v" T* F" s4 ?) i
- : j) H; u8 D# P5 l# V
- return 0;
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3 _' E8 Q. v( y& S- static int writeparam(unsigned char *mac, unsigned char *stbid)/ Z* ]$ H& ~- K6 o9 K- K9 X, p
- {
. M* P" {/ w. D& Y5 J& q$ K - int fd, ret;
- k: @3 i+ a A) \5 C1 c$ R - e2prom_s_cmd arg;
# X6 e% G- `: G, C( B/ }9 ?& Y - unsigned char buf[0x18];
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( [( u" H/ L9 n$ |- memcpy(buf, mac, 6);8 N' Z y) {6 |( N. ^ m
- memcpy(&buf[6], stbid, 18);0 Z" Y0 P% ^1 C* I; S w% ^
- fd = open(E2PROM_DEVICE, O_RDWR);
0 H! `5 e# v l# ~ - if (fd < 0) {
$ |& F4 O) p4 |" a - printf("Device %s open error.\n", E2PROM_DEVICE);6 I' x' U0 [# p. u) W$ d" ?
- return -1;
+ ]" N# C3 [# u5 W; |8 C' g. U - }
2 N7 d4 L9 B: N4 g8 ?6 O - arg.sub_addr_count = 2;
) }, a& T) ?. @; N3 `+ _) W - arg.data_count = 0x18;
0 q. G% v. q; K! w: a i - arg.e2prom_cmd_sub_addr = 0x290;+ f. L: Z- q8 X, Z U
- arg.e2prom_cmd_data = buf;
4 H% i3 ^' V! u0 Q, ]5 x - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
3 b# C% H7 y9 ~2 r4 V& x/ l" [: x; h - if (ret != 0) {' M# L, g( j8 o) f! O0 p
- printf("Device %s write error.\n", E2PROM_DEVICE);& Q/ k( V8 C5 N
- return -1;
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- return 0;" D3 n* G) F; K; J
- }
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- int main()
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- char c;8 E1 i9 T- R" v5 p- |- [2 e( X
- int i, macs[6];) t! Q5 ]6 u: _8 ?" J, G, Q
- unsigned char mac[6];
I! V2 T4 b: b9 C! O - unsigned char stbid[256];# X! Z0 h2 R4 W" K0 V3 Q5 _6 y* ~
- 8 D' i5 V4 p1 s+ }8 _4 X* P) ?( r
- if (readparam(mac, stbid) < 0)0 i+ [1 S" q$ a) G% P7 @1 W: D+ p1 p
- return 1;
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- printf("Current parameters: \n");
- [2 E& n7 _/ q0 \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); v: g& I) \: @ E
- printf(" STBID: %s\n", stbid);
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! b q9 F/ H3 R$ u/ t1 z. p! ? - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
& Y$ R; T6 N% E8 e! @ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
X& H r: d/ b5 t9 f - printf("Input MAC error\n");4 Q/ `( u) ~. T
- return 1;
) g3 A4 F* s% R" r- f - }
2 Y6 ?( `, }1 i+ u C6 h% H, c - for (i=0; i<6; i++)mac[i] = macs[i];
& e6 L- v$ Y4 X! e9 q3 V - printf("\nPlease input new STBID: ");$ i. N d% U! W7 C* t3 e5 B8 M3 G
- scanf("%s", stbid);" j# |% t: n( |
- if (strlen(stbid) != 18) {. D) I. r2 B) Q8 y7 Z* _5 A# L# r
- printf("Invalid stbid\n");$ I* h9 \! F* h1 L& h
- return 1;
- |5 j' f# Y$ b9 j) @+ K7 W+ W" V - }% z" ]/ b& M( X! A
- printf("\nNew parameters: \n");
7 n( k- D) C2 Q. u% W U/ ` - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( r) X" m! U9 E3 j, H/ o" Y: K - printf(" STBID: %s\n", stbid);# l) O# g( s( G7 t n" O9 \7 E
- $ W9 i# Z9 N5 m* L8 c/ v7 {
- printf("\nDo you want to change paramemters? (y/N) ");; J8 Y4 M) T0 D1 g7 B2 }6 n
- for (;;) {" ?& t' `+ H" ^* I: f! @8 D
- c = getchar();& t: a) T% B% x4 t% s6 |5 n" D: M4 t
- if (c == 'y' || c == 'Y')
! h+ }6 ?3 n2 M( K/ ? - break;
) }( L8 `( c* P. j7 y! G - if (c == 'n' || c == 'N') {1 D% c/ D f, d4 {6 c) _' U
- printf("\nAborted.\n");
# F; Q9 o* T% }& { - return 1;* C' ~/ }+ H( n8 ?2 h
- }- V. @* ]" D# X& z1 P2 t0 p
- }
8 a9 ~ z: W' E8 D* o/ H - if (writeparam(mac, stbid) == 0)
& V$ f; O$ d7 w% n1 q4 ^8 N - printf("Parameters changed.\n");
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+ L, D$ @$ m2 X) l. \, x- z- return 0;
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