本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。6 S7 h3 `% L! i+ q4 j
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>, m: p" }; k/ i; W* X4 b r
- #include <malloc.h>7 O) |3 [6 V4 b% q+ y, m5 o' W
- #include <sys/types.h>+ X' L7 |, l U$ p! B
- #include <sys/stat.h>
b2 B5 G% y) n+ B* J p. Y3 {* b - #include <sys/ioctl.h>$ d( b4 {- P2 _4 ]5 {
- #include <stdio.h>
7 K4 x! o7 o: S4 K8 [" A' } - #include <string.h>
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$ ?) R/ Z+ w* P% _/ q1 O o- typedef struct {
# v! `' g$ s2 M, J+ N - unsigned int e2prom_cmd_sub_addr;4 y5 {4 p$ u. T- H5 n: d
- unsigned int sub_addr_count;
! \. t2 }# d* _ D6 j0 i, g# q - unsigned char* e2prom_cmd_data;
5 G, c' n7 v, O0 u! R5 l' f4 _* y - unsigned int data_count;2 v4 y4 }/ f3 e& Y4 @
- } e2prom_s_cmd;3 d: o$ ~: v7 G, w9 G: v" o
. W. A, \$ S0 z, d6 \ w- #define E2PROM_CMD_READ 1# ~: o* h+ }- I' e k: {) y7 U
- #define E2PROM_CMD_WRITE 2
$ `- ]7 b# V! ]; ?, ]9 K7 w - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"( f/ }& O" Z% @8 v
?2 }$ c0 B9 S- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;. V9 e% g& e0 H, R
- e2prom_s_cmd arg;, ?4 b! b. t7 {
- unsigned char buf[0x18];
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4 ]2 b8 |. r$ l8 x) g( F; p- fd = open(E2PROM_DEVICE, O_RDWR);7 a6 K) p4 G; P' y( r4 U" V0 a+ ~
- if (fd < 0) {
& I* h' P' w- X0 L- u - printf("Device %s open error.\n", E2PROM_DEVICE);
3 u# Y) |, B o$ c* s - return -1;8 _* C! B& h0 M+ M" O& e
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- arg.sub_addr_count = 2;4 }, o; ?+ H1 Y! [4 h# j' K2 B8 K8 A
- arg.data_count = 0x18;
5 t. Y+ g0 l1 k$ Z - arg.e2prom_cmd_sub_addr = 0x290;
" b- a% \, O* Q* b) P) Z& B" f - arg.e2prom_cmd_data = buf;
3 M! X) z- [# }, e - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 K& c8 [) J/ r5 |: u - if (ret != 0) {3 B: i; B' ?4 p- o7 R" p, `
- printf("Device %s read error.\n", E2PROM_DEVICE);
( K; f8 j9 u. F a3 T* N+ k" h - return -1;
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- memcpy(mac, buf, 6);( ]9 d: _. R( |1 I- ?* @( Q
- memcpy(stbid, &buf[6], 18);
/ ?- `- z: g5 T; l( ?3 l - stbid[18] = '\0';
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- return 0;# |# \5 j1 {& G7 O2 l
- }; I5 U3 t8 ~' G, m. U) [" O
' R; k' K, y- M$ n% W ]- static int writeparam(unsigned char *mac, unsigned char *stbid): W- p) g6 U; X$ `, V) X. q. }
- {
" Z* s4 S' q2 n0 X! Y7 M9 | - int fd, ret;7 w, b0 L) x# G5 V& K3 }. Q1 U
- e2prom_s_cmd arg;$ l- C1 r/ H K& x
- unsigned char buf[0x18];
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; V# b5 L( {4 |; C3 \/ d- memcpy(buf, mac, 6);
2 P; ?7 |. H+ p1 ] - memcpy(&buf[6], stbid, 18);0 x6 d' }& `0 q' x3 L$ Q3 w+ D! z
- fd = open(E2PROM_DEVICE, O_RDWR);& F) q; ]$ J! ^5 V
- if (fd < 0) {
4 o T' Q ?% a& A; W# x3 _ - printf("Device %s open error.\n", E2PROM_DEVICE);2 i8 u; X+ L6 [! z: O8 ^% T. ^
- return -1;
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- arg.sub_addr_count = 2;" Y- t. L4 G6 {% Z/ t3 H
- arg.data_count = 0x18;) x/ V1 G8 F/ U4 t/ z
- arg.e2prom_cmd_sub_addr = 0x290;
' N7 u1 G7 Z" N1 W+ M/ O - arg.e2prom_cmd_data = buf;" d0 I2 q1 k/ B8 g* M0 q% S+ |
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; C5 o. L# v) j8 [) x - if (ret != 0) {
2 c* I" N2 [% z - printf("Device %s write error.\n", E2PROM_DEVICE);: n7 y- C. q6 b* Q. a0 i
- return -1;
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- return 0;' ?' Q6 @. Z$ U: l# _
- }
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- int main()) w& j! i" u2 Y& Y( v U6 p$ W6 D
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- char c;
9 i; m Q- M5 s; h6 q8 B2 {1 h/ I - int i, macs[6];3 a" v; T3 q5 ?- @8 ~
- unsigned char mac[6];
E" y0 |% q# Q9 h* E6 N' W1 b - unsigned char stbid[256];) k0 ~6 `: m/ E* f5 M& t
2 E5 v/ ]8 ^ }- G' u9 B) p$ c- if (readparam(mac, stbid) < 0)7 v- h4 t) v* l# ~: p6 ^
- return 1;. |7 T n8 ]) T) U* W1 p2 X2 e* Z! I
- b8 ~) q/ O2 C% k; o( b
- printf("Current parameters: \n");
; F9 Q) h( v2 [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ B! c) |1 x( b# o
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");3 r! K3 R- z1 `
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
* ?1 X4 H# Y! m3 Q" n - printf("Input MAC error\n");
0 n: U9 V3 l" | - return 1;
. W/ P* i, A5 D; r! x" x - }
* k1 u3 \) M% R7 `2 o( ] - for (i=0; i<6; i++)mac[i] = macs[i];3 \5 R7 m+ s4 `9 z
- printf("\nPlease input new STBID: ");
+ Q2 `" J- A8 s" Q) X6 E1 O - scanf("%s", stbid);1 e2 t6 g( y5 v3 _% X; w# }
- if (strlen(stbid) != 18) {
* W. K" I$ k, a5 b/ h% l, r, \" o, A - printf("Invalid stbid\n");
l9 p4 e. m& l2 E* [& F9 y - return 1;
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- printf("\nNew parameters: \n");
0 w2 |1 W B4 R }9 J - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 e- S/ u5 G" ` O$ n3 k - printf(" STBID: %s\n", stbid);
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: h$ }+ v1 ?/ t- Z# g7 ^! ?( O- printf("\nDo you want to change paramemters? (y/N) ");
) J% M n4 @/ J# ]4 }9 O - for (;;) {
$ G5 h2 M" {# q% Q4 ]+ _# ? - c = getchar();3 ^0 A2 U/ ? G Y9 T
- if (c == 'y' || c == 'Y')
. v" S- J& q. v0 m* { - break;
# D4 ]/ P0 Z# ]( s3 w* j: ~ - if (c == 'n' || c == 'N') {
3 ^) w v- n9 p, T/ F/ b - printf("\nAborted.\n");
* N$ J% A, R/ y3 L9 V; T3 L - return 1;
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- }
( \$ e7 k9 A @9 N - if (writeparam(mac, stbid) == 0) ( C/ A' ^2 x) W- t: l
- printf("Parameters changed.\n");- k8 n8 F9 K# u. g4 M+ H/ `
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- return 0;, @. Z, z! K9 ~7 O. U+ f
- }
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