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。4 u7 ~2 R$ ~# i! w W
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
$ |4 o# \- A+ w* y% v. S o - #include <malloc.h>, m( x" e4 Z" ]7 U" ~6 r7 h9 |
- #include <sys/types.h>3 V) X& e0 y- g+ F
- #include <sys/stat.h>9 B4 X6 x, _+ r$ P5 N9 W
- #include <sys/ioctl.h>
- s) q: a" A+ M. L( Z - #include <stdio.h>
8 p, i2 W, I' g: R+ j' S. _ - #include <string.h>. L; S n+ I$ n
( T" i3 s: ^2 M3 P& {# s- typedef struct {
5 n5 f! E( a+ y$ X - unsigned int e2prom_cmd_sub_addr;4 o; s G! \6 S: F
- unsigned int sub_addr_count;
- K, L/ v$ ^9 B# S2 g! a - unsigned char* e2prom_cmd_data;
, l' F' a: E$ _8 [4 {: n - unsigned int data_count;3 M; O. R y d2 A, y: q
- } e2prom_s_cmd;' p$ f) q$ Q) b# f; r
- " B6 X7 ~/ A9 _
- #define E2PROM_CMD_READ 1
& X p! T, x, [, |1 ]& o - #define E2PROM_CMD_WRITE 2
1 o' z7 ^5 P/ {" i+ `7 A( @ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"5 j: @$ t" C/ y7 X5 p. |
. A) }: Y% F' ?+ i0 C* l; p7 C7 Z- static int readparam(unsigned char *mac, unsigned char *stbid)" h7 x* X/ c+ \, }: [8 R
- {
9 f8 t$ p# O7 x0 k - int fd, ret;
- L) ^7 T8 ^6 l( \ - e2prom_s_cmd arg;$ f8 B7 L$ U& C, t. h2 O
- unsigned char buf[0x18];; H, y& E1 l3 l' V* R" j
- # x7 {6 u6 A1 I% h! X
- fd = open(E2PROM_DEVICE, O_RDWR); X& m2 j: ?0 U4 ?0 j
- if (fd < 0) {7 q& t# X+ d; A$ v" ]4 e
- printf("Device %s open error.\n", E2PROM_DEVICE);
( T- [4 l+ F+ S' h - return -1;2 q* s* e, M; b2 C( |- N
- }' D9 V# k7 g: M S* A, T1 u H* r8 M
- arg.sub_addr_count = 2;
% i7 ~3 u0 u8 h* F- z - arg.data_count = 0x18;
& D) w3 `/ `! r: S - arg.e2prom_cmd_sub_addr = 0x290;
* L" v1 R! G$ U! ] - arg.e2prom_cmd_data = buf;; e* E3 v7 V0 i) v+ n5 c
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);9 D8 N1 `( F. T( p A' @
- if (ret != 0) {1 y4 }2 R* o7 Z6 {7 u4 Y
- printf("Device %s read error.\n", E2PROM_DEVICE);' G" _* s; M; P1 s( v. G. a
- return -1;, C- B! h" S; j3 U- H
- }
5 g+ c- g9 M. s; o/ J% m - memcpy(mac, buf, 6);9 Y5 w' E6 r, u8 D+ Y
- memcpy(stbid, &buf[6], 18);
0 j" @- e9 v6 I {) ?8 ^& ?8 O - stbid[18] = '\0';
/ R" h* c1 l# F, { e& A - 8 O1 ~8 x; K: j4 x8 }
- return 0;
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- : @! c# M2 |' G2 e, M& d
- static int writeparam(unsigned char *mac, unsigned char *stbid)
/ B1 ^ ~+ i; a2 F0 P - {
" W0 ^( y( Y1 k - int fd, ret;
5 p" a4 Q( q; Z: k - e2prom_s_cmd arg;
! f/ X2 P* [; g3 y0 z" D* c9 r - unsigned char buf[0x18];4 b( B6 w- L( I. b( r
" ?) I1 B+ Z/ |+ _- Q3 v$ m) j- memcpy(buf, mac, 6);+ B- m' X) x$ C* O! G( P9 |0 b
- memcpy(&buf[6], stbid, 18);
) c& A% J+ X8 m& ]( f - fd = open(E2PROM_DEVICE, O_RDWR);6 G$ ^" ^' G* N- u
- if (fd < 0) {
( S, I3 g- r. J8 d. P - printf("Device %s open error.\n", E2PROM_DEVICE);
! }% L9 {2 q: O8 h- h& T. j - return -1;
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- arg.sub_addr_count = 2;
& k& }( h+ d' r* N, H @ - arg.data_count = 0x18;; ~) z3 K1 z# {( Q% e# G0 b
- arg.e2prom_cmd_sub_addr = 0x290;
% v0 ]& d: w; c- B' V J$ I - arg.e2prom_cmd_data = buf;4 _ Z5 I; z/ l6 G1 @! @* a
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);/ @$ R( ]; m, l8 ?% D
- if (ret != 0) {8 a3 ~- G$ L9 g% G; n
- printf("Device %s write error.\n", E2PROM_DEVICE);4 f6 h/ V* p# M9 A0 \
- return -1;
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' B; _3 ]# C9 \# _- return 0;+ ?* z. {/ s# ^# ]) K
- }! l1 j7 m3 M& y
% ]: h" D% k: S+ b! f# l- int main()
9 K$ d- _4 i7 H - {
+ N% {0 I3 S& w) t0 P3 C5 } - char c;
$ g" R! a! E3 s m. W) ]& w - int i, macs[6];& M5 ?0 H& g3 R- Y3 S# m
- unsigned char mac[6];; z/ }/ @$ g2 O [8 P; F
- unsigned char stbid[256];; e) A, o8 o1 T+ X1 F4 u
* r: B- D3 U. [# ~- if (readparam(mac, stbid) < 0)
/ T+ H. Z3 X) L/ P, O - return 1;
+ d; ]5 ^9 _ B8 S
" s- f, A( b. q8 f d- printf("Current parameters: \n");
4 b0 h7 S M' r- O - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- m& Q; X; }+ r% R. \' C1 g
- printf(" STBID: %s\n", stbid);
% M! z: ^: P$ b+ b/ p! u -
9 p2 ]. a+ a( t/ k7 {5 X/ o8 p - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# q5 X- v5 w( m5 L! R" s' S, c+ e6 r
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 q0 Q/ X& y: d) I0 f; O5 q. [ - printf("Input MAC error\n");/ m% }2 o# a$ s1 }
- return 1;: A" x, J% C6 S+ l* L
- }8 z" Y5 f: k; Q9 K: f- y
- for (i=0; i<6; i++)mac[i] = macs[i];
: N0 x; Q! l0 |2 y3 X! _ - printf("\nPlease input new STBID: ");
% @6 |- w4 i8 H4 g* h. K - scanf("%s", stbid);' L+ z0 ?6 O! Q& f
- if (strlen(stbid) != 18) {; w( }9 y% h+ S, J
- printf("Invalid stbid\n");
0 |% }, a" P2 f3 E - return 1;
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- printf("\nNew parameters: \n");
9 n" F. V( s3 _; S - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 _) Y. y0 ?; n/ O - printf(" STBID: %s\n", stbid);. ^0 U7 P3 F0 y
- + H+ s+ m+ ~8 r2 J
- printf("\nDo you want to change paramemters? (y/N) ");- f. B d! q) j
- for (;;) {
1 s) ^: p! U7 l+ Z- M - c = getchar();1 C: @! {2 P5 M7 \0 i& r0 t
- if (c == 'y' || c == 'Y')/ G- P' h/ W- e3 q" u
- break;
6 g2 G0 c+ F, [ - if (c == 'n' || c == 'N') {
* i# X) d9 Y4 n& X* A8 { - printf("\nAborted.\n");4 M) J) i( H9 B2 X) Y
- return 1;
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- if (writeparam(mac, stbid) == 0)
5 i7 D& K! }( T6 |' p# h; A - printf("Parameters changed.\n");
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- return 0;/ B# F; H& a8 q3 b" r2 b
- }
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