本帖最后由 0522 于 2012-3-21 23:04 编辑
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) x( v' C' N# ]: l3 Q修改的代码早有了。到今天不会编译。0 _ o- g2 N7 ]# Y5 t# c
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
( n3 [2 x* J+ K; n2 K- j. ~5 b - #include <malloc.h>
. T; e. x3 Y+ M$ `4 r - #include <sys/types.h>( b2 h' S3 U; p6 r3 a. W+ P
- #include <sys/stat.h>8 p. |0 i" F6 O/ F' X7 K9 z
- #include <sys/ioctl.h> t% F. [9 u2 k# E
- #include <stdio.h>
) b+ F: q9 v0 j D, h - #include <string.h>
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7 l7 b1 p' N! A; L- typedef struct {
! [: f5 A: w m& ]" j- x" R6 \ - unsigned int e2prom_cmd_sub_addr;
. R% i) S% j) c3 h( R, \6 z - unsigned int sub_addr_count;6 r- ^; j! J0 f1 P+ D' U: p* o
- unsigned char* e2prom_cmd_data;3 a' @4 s1 y3 |6 M4 M, e6 Z
- unsigned int data_count;4 k9 j3 C& \. T2 _8 H
- } e2prom_s_cmd;$ \4 q3 R! k7 _% R) f' i# X* n
- ! a0 C5 }: Q" F* e5 L& D
- #define E2PROM_CMD_READ 1# k* d+ S2 D" ^' e
- #define E2PROM_CMD_WRITE 2
6 |: X" s9 A1 W5 U% _# \% d - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"$ ]- P( ]9 ?( n2 V6 E& d) s3 U
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
6 h+ G4 j+ A- N& V - e2prom_s_cmd arg;9 L8 p; g2 L- M+ H3 l; ~0 ~7 h' w
- unsigned char buf[0x18];) o1 R: G$ R' A0 P/ d. ?
. h) L& V" ?* l" g& g- fd = open(E2PROM_DEVICE, O_RDWR);
$ a% @! t1 ^- L _0 J3 n C( |3 l - if (fd < 0) {
% U2 x; ]( ~( m/ _) C - printf("Device %s open error.\n", E2PROM_DEVICE);8 M( }# R& l) ?( j1 v* e
- return -1;& X+ V, {' M2 a9 c$ l2 x5 W; f
- }) y3 C5 ?8 j/ T4 `) x
- arg.sub_addr_count = 2;
/ d* X6 c- F& ~ - arg.data_count = 0x18;
! ]; A) X; t1 j0 y9 X9 L/ q# u9 ? - arg.e2prom_cmd_sub_addr = 0x290;
' V+ U+ }1 j/ @; S. g; p$ G4 e" \5 _ - arg.e2prom_cmd_data = buf;
4 `% W# K# Y( u4 Z2 k u - ret = ioctl(fd, E2PROM_CMD_READ, &arg);7 M3 L7 r% f6 @3 X4 i. `! M( T
- if (ret != 0) {' ^: h9 d( D I, l! ]' B. N, @
- printf("Device %s read error.\n", E2PROM_DEVICE);3 R7 H( w+ N7 M% s T( V* m
- return -1;
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- memcpy(mac, buf, 6);
' r6 h$ M7 Y% |) H7 ` - memcpy(stbid, &buf[6], 18);6 t$ S) c3 U5 e! d Z/ T
- stbid[18] = '\0';' b# n! E6 G8 E; D
2 R$ H( D" Y, N- return 0;
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0 T" V1 z- O$ \0 T& P' |4 e- static int writeparam(unsigned char *mac, unsigned char *stbid)
9 c9 Y; U i4 q# Z/ a# P% U - {
1 y! q; j0 j* A& ?, o - int fd, ret;
" X( c* a) B- d/ I6 r3 a - e2prom_s_cmd arg;
. y5 \/ e9 n) U7 T/ X1 M! `% A+ U1 H - unsigned char buf[0x18];" ]' a. w& ^8 ~% Q2 `
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- memcpy(buf, mac, 6);
! m" k; R8 a4 p# q/ i3 z - memcpy(&buf[6], stbid, 18);+ e& Y: ~' E2 o0 q
- fd = open(E2PROM_DEVICE, O_RDWR);
. E S3 V* J7 ` - if (fd < 0) {& |' ]+ m d1 T7 `) \
- printf("Device %s open error.\n", E2PROM_DEVICE);
, M2 d' B9 Q. x- G1 h3 c" ^ - return -1;) G; l/ y4 O W; u5 z. G0 P% ~/ x
- } Y. y+ |( S! U' w$ q! m6 ^
- arg.sub_addr_count = 2;& i/ z( i0 K% f
- arg.data_count = 0x18;0 f" ]4 ]" q+ `3 i0 ~
- arg.e2prom_cmd_sub_addr = 0x290;& b" m" f! I$ X, C% L5 j5 j6 e1 {
- arg.e2prom_cmd_data = buf;. O$ e: C) A1 M; _
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, S5 A7 t" i/ _; F, g; L! k, {8 W+ M - if (ret != 0) {- F% V; u) r9 j' A% V& m
- printf("Device %s write error.\n", E2PROM_DEVICE);
0 i* X( g0 @6 |3 [ - return -1;% \, G6 P) x; N, v; H
- }
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- return 0;- o2 K+ D8 G4 y; z, o: c" w, f+ _
- }
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- int main()6 W% g0 q1 \ r5 M: D* n8 x
- {
1 G9 h+ H! C7 @2 U7 e2 D% t3 G - char c;! d) b8 f& W' |/ e
- int i, macs[6];
2 A3 M% G$ K. F' r - unsigned char mac[6];
, [# w) M3 F1 _7 S% H% N/ d; g - unsigned char stbid[256];+ q! n9 E# W3 g3 C
- - U! U) b' G2 f% I8 S8 O1 b
- if (readparam(mac, stbid) < 0)
# [; P% ~/ p( ]1 Z5 c" Z" |7 o - return 1;
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- printf("Current parameters: \n");$ ]( L2 y. ?" _: n' U' n8 s
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 C' ~+ a/ \3 s% d - printf(" STBID: %s\n", stbid);% }) ]* Z" d$ f: b) L
- 8 e! r: r3 P2 n
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
6 |# [3 w$ K- O1 K - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {/ Q; p3 y' V- S. q# U; Q# p- E6 _
- printf("Input MAC error\n");
8 B2 {4 Q. e( @2 G* c5 d/ h: U - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
- e! x5 p1 m2 s/ G - printf("\nPlease input new STBID: ");: {3 K- [0 D+ {5 z1 c
- scanf("%s", stbid);
3 e, Z4 W3 W# r! Q6 `0 ?& U( |! Z% B - if (strlen(stbid) != 18) {
4 d2 v2 w( I( x1 P# e, l - printf("Invalid stbid\n");2 x& n& L& {8 E, R
- return 1;+ k7 _& @5 M( a; x0 Z8 s
- }
- h* [% l3 u: ~. _- J! K - printf("\nNew parameters: \n");
+ i# y# K2 h9 l9 w' a8 n - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ N0 L# x) p; J& C! A
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");, ]) z- o6 \6 n3 I5 ]4 R
- for (;;) {. o+ U- R) u6 g" D+ I2 }
- c = getchar();6 E2 }* {1 f: _# W1 d
- if (c == 'y' || c == 'Y')
1 l' l. W Y9 \' o- x - break;) N& C0 r$ y% S! k, [& \
- if (c == 'n' || c == 'N') {
. W7 Z( @) I- T) Y( |' z. m3 w/ T - printf("\nAborted.\n");
& ~8 o$ O% o; J2 S( w - return 1;
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- if (writeparam(mac, stbid) == 0) i$ G% j" f) t* ?. M8 o0 x, p
- printf("Parameters changed.\n");9 p: m4 k/ v* n: v# R
* R! W9 V9 H, ]; V4 O4 F( S6 B# P- return 0;
' W6 @0 x. y" {7 C% f - }
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