本帖最后由 0522 于 2012-3-21 23:04 编辑
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3 K, _) V/ e1 b- {% e修改的代码早有了。到今天不会编译。7 z6 t. `, D O
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
) Z' c9 I$ `; r - #include <malloc.h>1 P& x7 H) k- d( P( ]; l1 [
- #include <sys/types.h>7 j; W- `9 N0 L) H- z6 K
- #include <sys/stat.h>
" Y: M- {7 a, I. Q* m - #include <sys/ioctl.h>
7 R- u+ p R! q3 Z - #include <stdio.h>; X1 W( P& p3 e& m- D6 Z
- #include <string.h>* K4 `9 T5 c( h8 |9 L* X5 V: }1 a
! F; T9 w: `/ i7 X3 {3 d* ~- typedef struct {
. ~' u3 m7 A1 \ - unsigned int e2prom_cmd_sub_addr;
8 T' X3 g& \8 O- W: @# n% y l - unsigned int sub_addr_count;
) w7 |3 \. T2 Q4 O: Q E6 z - unsigned char* e2prom_cmd_data;
9 e9 s+ r1 {% u+ H! b; J8 N { A - unsigned int data_count;3 C3 C* H O2 @. G7 W2 U8 T" [1 B: {
- } e2prom_s_cmd;# c/ H, z* p8 Z5 o
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- #define E2PROM_CMD_READ 1
4 L4 |2 W3 D& ~# o0 T% S- M - #define E2PROM_CMD_WRITE 2
1 G, ^6 k6 k0 Z6 j( I - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"# p8 N# V |' c5 [6 w; n+ g
+ y5 L! I0 C' I1 o( O* D" i- static int readparam(unsigned char *mac, unsigned char *stbid)" Z e# d v( A# Y, x" z
- {
' F. m1 ^+ Z* W+ U, F: M2 f - int fd, ret;/ t9 O% |' g8 l6 L
- e2prom_s_cmd arg;7 a: E6 c6 d5 r! t8 o/ }. S$ s
- unsigned char buf[0x18];
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: W s& m5 ^3 q1 `( q! K# O+ ?( ]) Q- fd = open(E2PROM_DEVICE, O_RDWR);
d% S( t$ f+ b3 O5 X8 C( k6 i" ?0 w5 V - if (fd < 0) {* d9 O; P' J1 ~7 z
- printf("Device %s open error.\n", E2PROM_DEVICE);* t% F8 b3 m9 }1 K! p6 J% N7 Y. b# o
- return -1;' F: p$ a) d. ?. B1 H' w
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- arg.sub_addr_count = 2;8 G- S- P$ G: V9 i/ b" w6 B8 [
- arg.data_count = 0x18;
+ m$ ?1 F* ]' O2 p - arg.e2prom_cmd_sub_addr = 0x290;% i+ Q* i+ i" e/ D% p
- arg.e2prom_cmd_data = buf;
! O( ]% a; t$ B. |, i - ret = ioctl(fd, E2PROM_CMD_READ, &arg);7 F8 N3 N( i) E5 N. _9 }
- if (ret != 0) {9 V1 ]5 k+ w$ f% l f
- printf("Device %s read error.\n", E2PROM_DEVICE);
* E' \: Z5 }2 j - return -1;
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- memcpy(mac, buf, 6);
' r3 N+ G: H* i" D! q: q% M - memcpy(stbid, &buf[6], 18);+ [, k. |5 O: z4 e# ]
- stbid[18] = '\0';# _; I+ u" s [
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- return 0;. w5 u2 O U& @! Y$ G: l" g
- }
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. o' D. a4 C0 \+ |8 M8 H- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
$ M, {, x+ h" C/ a - e2prom_s_cmd arg;: o5 S+ b5 g" @& r
- unsigned char buf[0x18];9 Z( o/ _5 L7 p/ S/ Z" \; K% J0 B
/ y2 F0 ?: [. Y; i9 p- memcpy(buf, mac, 6);
( t$ _/ A, U# a) k9 G9 C! _* X! K. j: M - memcpy(&buf[6], stbid, 18);
& Z, i3 ]6 c W- i$ m" F* v - fd = open(E2PROM_DEVICE, O_RDWR);
m, @* F1 u4 W; M& w - if (fd < 0) {2 r; y$ t( o, @2 x
- printf("Device %s open error.\n", E2PROM_DEVICE);, l" R! I! ?4 h3 _0 p p9 b
- return -1;2 J, {1 q M! v1 \" p9 v
- }
( @: K i, c: V' x3 I - arg.sub_addr_count = 2;
- v" \3 s3 F: E' ?; l- `7 V# G$ e - arg.data_count = 0x18;; i7 r4 H( n0 c1 S% O' {3 v
- arg.e2prom_cmd_sub_addr = 0x290;1 x% O9 q6 A( P- ~9 F m# [
- arg.e2prom_cmd_data = buf;
2 H, Q- J" c7 ^8 S9 h+ w- k - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
6 R- p; x2 A9 y% q# C! \0 q - if (ret != 0) { i: n: n3 E0 t) u
- printf("Device %s write error.\n", E2PROM_DEVICE);8 E1 T0 P. X$ M3 I9 k
- return -1;% W# w a/ ?( w- s; A* p) @$ d1 c
- }
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- return 0;2 A1 N( q. X; y* ~0 e v
- }
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- int main()
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- char c;
! T6 Z- X) U; ] - int i, macs[6];
( y- h9 N7 l8 g- ~7 _. U - unsigned char mac[6];) Z/ x. d8 r6 l( E5 M! C, F* m
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
- \" R( o A' a2 M2 L$ V, ^8 w5 E - return 1;1 C' y9 G1 x+ K! Y
- $ @1 J+ W9 K- q2 _
- printf("Current parameters: \n");
: I/ B0 t* N0 U& g$ C8 J - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); ?1 \( m& v. }( K8 h
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
^- h# Q* X0 p% l7 W4 ? - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {' ^3 q% R/ A E8 d/ [. N _
- printf("Input MAC error\n");
0 ^( e+ H' D8 ?; V# G) W6 b+ { - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];$ C6 M! S2 `( h! Y+ M9 A
- printf("\nPlease input new STBID: ");
) z: \, t7 Q, s) @7 c! B - scanf("%s", stbid);3 z) |$ q5 L9 |- ~" i, U# [
- if (strlen(stbid) != 18) {
* |3 r/ ?5 L+ R2 h& _/ w - printf("Invalid stbid\n");
- M/ Y* d4 J, e. s9 ] - return 1;7 k+ j h9 p% C7 ~! v7 L# n4 ]* e2 _
- }
3 w& E% e6 ~/ i( G$ \) U - printf("\nNew parameters: \n");7 S: n. @9 A: U4 c
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) f4 x2 k. V$ N1 ]) H - printf(" STBID: %s\n", stbid);) v( E# n- ?: x* ]
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- printf("\nDo you want to change paramemters? (y/N) ");
$ o; H: t+ z3 T5 N G- e - for (;;) {
$ k9 l+ B" j, y2 }- y/ r - c = getchar();' m2 m, C) K' s
- if (c == 'y' || c == 'Y')
/ S3 c. N( s- Y: n' S7 C; R* @ - break;
q! {& q6 ]2 L; E$ ?6 B- ] - if (c == 'n' || c == 'N') {
: C( O& l3 m4 H; q2 [3 F' E0 s4 E - printf("\nAborted.\n");
) `# } w9 E, ]$ P- b8 o - return 1;' @6 L; d2 f- `( h9 k) M# z
- }
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- if (writeparam(mac, stbid) == 0) ! m% A% B9 q. |
- printf("Parameters changed.\n");
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0 q% W! J& \) z) J4 l9 X, @. B- return 0;
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