本帖最后由 0522 于 2012-3-21 23:04 编辑
2 F) t5 G9 \* J# \
3 e' V; m$ {# p修改的代码早有了。到今天不会编译。
( Z8 |" ?& z/ m& ?* p$ t: ? ?( _需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
9 `5 ~! s! I7 ^6 j, R - #include <malloc.h>( H3 a4 P" N0 F$ s
- #include <sys/types.h>
2 F* `4 w! P3 X* j/ @" s0 o - #include <sys/stat.h>
0 _: H6 {& P* p; Q - #include <sys/ioctl.h>" E* E5 C8 o: G a1 `
- #include <stdio.h>
6 S, |" r$ D2 l7 \( Q( [ - #include <string.h>+ ?% ^& r1 ?. u5 z
' C5 p$ M: q! o9 f& ?) r/ F2 |0 z- typedef struct {1 \- [' i/ _ B3 q, c3 ^
- unsigned int e2prom_cmd_sub_addr;
2 v$ `* I2 z3 O: c6 h+ U( A9 g - unsigned int sub_addr_count;2 w2 ?% N1 D7 Z& s
- unsigned char* e2prom_cmd_data;0 I! U0 Y9 x. \1 W% {
- unsigned int data_count;4 a& @& U9 G0 v
- } e2prom_s_cmd;: J* z: f; P* `
- 9 l6 J' s. Y! v0 l& K, L8 ]
- #define E2PROM_CMD_READ 1
J X+ Y, ~; F& ]0 q3 X - #define E2PROM_CMD_WRITE 2
8 t* W- O7 }8 W' q/ M - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"/ v# n" }- @/ z0 ~+ n9 y+ u
- 7 }- E' h/ |6 f; o$ B8 ^; O' G
- static int readparam(unsigned char *mac, unsigned char *stbid)
3 f" n$ Z) I+ q! e& r - {
- v1 S1 \* L) I3 ?3 i6 W2 I" {9 o - int fd, ret;3 Z$ e* A9 P$ Y1 u* i& _# j
- e2prom_s_cmd arg;" P( W ^9 R. C/ e' T
- unsigned char buf[0x18];
( `& ^. w0 g% [2 N - # m! [/ x6 C4 P7 w; h, a
- fd = open(E2PROM_DEVICE, O_RDWR);
+ l3 k% o+ v) h2 B* ~ - if (fd < 0) {# A; j4 c2 e3 c8 |! k1 S5 c
- printf("Device %s open error.\n", E2PROM_DEVICE);. U5 J0 M' S# N& v
- return -1;8 C: K/ i4 L7 O( z9 P1 e: c, [4 p
- }$ p, {6 I$ G% D0 B2 g9 G9 Z
- arg.sub_addr_count = 2;
0 ~2 D v9 `9 y L- t$ O - arg.data_count = 0x18;
6 y6 o4 W+ n5 Y - arg.e2prom_cmd_sub_addr = 0x290;
x$ }2 c, R! [ - arg.e2prom_cmd_data = buf;- M' o Z" B; k& T- I
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
& F, I M& l0 {% ]* V1 W - if (ret != 0) {' w! U7 P# R: L# o
- printf("Device %s read error.\n", E2PROM_DEVICE);
+ @" I- d0 b7 @, q - return -1;) @! _+ x- O* i* D
- }' P- z+ O( e4 g6 b
- memcpy(mac, buf, 6);
) }2 d/ e3 V& ~9 E- w - memcpy(stbid, &buf[6], 18);7 Q7 S3 d, q3 a9 y* j( v
- stbid[18] = '\0';
, G- @0 f; n1 ^0 c& ^
8 r7 y, W2 W, L1 M8 s+ p- X- return 0;1 O& v' X3 }5 u" ]
- }' r7 Q% T' B5 S' \( t; s$ Q i) `
- 8 ^0 h- w1 Y/ m4 E; t2 k
- static int writeparam(unsigned char *mac, unsigned char *stbid)- J9 X \4 x* ~$ i0 H$ T3 n# a9 k
- {. ]2 A- ]9 M5 h- p; E2 ?1 y: B% v
- int fd, ret;9 }, [* X R9 m2 ~/ O1 s
- e2prom_s_cmd arg;3 Y' ]! d( H) ~
- unsigned char buf[0x18];0 y1 G4 R! H/ `8 X7 F1 @
! d% K% O2 x, P% n0 J% R2 J! U+ b6 G- memcpy(buf, mac, 6);: ]+ p( J4 f. A3 o
- memcpy(&buf[6], stbid, 18);
6 k8 p& f- M* S, \0 D - fd = open(E2PROM_DEVICE, O_RDWR);3 `, Q' Y+ j2 j
- if (fd < 0) {
) \: m \+ a& W* A6 W" q - printf("Device %s open error.\n", E2PROM_DEVICE);: G/ r/ D8 ]& P7 V' T
- return -1;
: H( ^2 I% z% ~ H* r) B - }) [ C1 Y& }) `2 W# _1 S: H
- arg.sub_addr_count = 2;
! m9 }2 h) V1 I - arg.data_count = 0x18;
1 s* p* m: h# a$ v' G - arg.e2prom_cmd_sub_addr = 0x290;
3 K# a, ]0 ^7 Z9 V+ g - arg.e2prom_cmd_data = buf;1 T+ l7 k+ J- s1 r0 L) s
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ _( C0 x: R. \ f2 D - if (ret != 0) {) Y; r4 c8 E) C9 `" M( N) r: |
- printf("Device %s write error.\n", E2PROM_DEVICE);; \6 c3 Q" U5 p6 M
- return -1;
9 W, L! c5 L# }4 O. O' V9 u4 H - }
- P* y& ~( o/ R' s - 2 L+ _ U- ?: |1 |6 n. |
- return 0;
6 s8 S3 z9 k) j; b! U0 a* ~ - }
# c0 }6 P x) |7 U I
) S' ?9 E0 c a6 V+ E/ f- int main()
8 N! ~( z4 u+ M& J4 Z+ v* ~ - {- C2 p, S7 W2 m( ?% ~ B5 U
- char c;% \- Q+ M' p) T, \8 r
- int i, macs[6];
0 E3 c. g0 ]2 z+ z& H( {$ s; @! _1 T" O - unsigned char mac[6];, q# i9 w! f) Z& t
- unsigned char stbid[256];' s4 r9 T! T2 b
- * B/ j( w- \+ i, M p
- if (readparam(mac, stbid) < 0)' [; E% H* {5 F5 T6 Z& x
- return 1;
( I) G6 @, G1 o1 P
# K9 O5 \' G) s# ]/ U- printf("Current parameters: \n");
, K( x3 L7 A! R) r$ ^4 S - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 L( T; n7 b) k0 v/ f - printf(" STBID: %s\n", stbid);
. f3 P& H" H; E R - : {! p+ H. P8 t0 S* Q
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 T7 g: m. f. G4 m9 J2 ?# D/ L
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {: N/ f8 s. j% u1 O T
- printf("Input MAC error\n");1 t& Q+ S3 h$ C
- return 1;
! v+ F4 M# |. U8 T - }
' ]% g' a# l6 `; {4 E. a - for (i=0; i<6; i++)mac[i] = macs[i];( U( k$ U4 D' N0 J0 o- V9 s1 Z7 i
- printf("\nPlease input new STBID: ");) ?9 d, e g: z% U0 W2 Q5 N
- scanf("%s", stbid);
) T" b( _' O3 m5 e2 h - if (strlen(stbid) != 18) {9 ^2 f# f. C+ u: ~& G& e
- printf("Invalid stbid\n");
9 n2 Z7 j! d0 @9 W1 @0 I6 O8 _+ G - return 1;5 w+ M3 u. c- c3 G+ n) j) l
- }; F0 h) ~1 l+ g: R8 l
- printf("\nNew parameters: \n");
4 R- F" h( r. |% ?: q! t! f - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 F" ?$ j4 P5 H( k
- printf(" STBID: %s\n", stbid);7 p- S! _0 O; d: D$ D3 \* _
' Q5 }2 A) z3 {- printf("\nDo you want to change paramemters? (y/N) ");6 e- z! s1 ^# N/ l
- for (;;) {
" M7 s) a1 e8 j0 l" N& Q/ C - c = getchar();
8 m6 \4 V1 L8 f% R% m0 F+ F( ^7 h4 w - if (c == 'y' || c == 'Y')
( p6 K( j( d. u0 I& o/ G0 F5 G* | - break;2 h# _/ W6 I- [3 y5 x. R
- if (c == 'n' || c == 'N') {
1 {1 ]9 ~* V6 V- J3 k; p - printf("\nAborted.\n");' y) Q+ h4 t+ c( V! o/ l: n3 ?4 j$ m
- return 1;/ a7 X9 r# Z, g! n4 y
- }7 J- x' c0 ]: R& R0 ~; j7 g6 _
- }
8 W9 L$ |* U" O0 N7 H# @ - if (writeparam(mac, stbid) == 0)
) {) H$ I- {' t - printf("Parameters changed.\n");
( ^+ Y+ q3 Y: D" t" S! X# D% [ - 6 n! |" ^9 R2 x6 |- k
- return 0;
2 f% |- q# A+ c# M - }
复制代码 |