本帖最后由 0522 于 2012-3-21 23:04 编辑
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8 @, Q7 ^' i6 ~1 z! ^! G修改的代码早有了。到今天不会编译。
! e1 {! T. P" s. @- u# n+ J: y' A8 g! [需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
% }& `! ^+ C/ E8 \/ t0 i - #include <malloc.h>* j3 G# A+ t5 R( e! L
- #include <sys/types.h>" v7 l4 ^9 [. A1 `7 F$ x G. ~( j) G
- #include <sys/stat.h>* j6 U* C2 g$ h" @7 z7 i/ u
- #include <sys/ioctl.h>6 h5 w+ o" X4 a& P2 ?. h w
- #include <stdio.h>, H1 y f$ w+ a' ?' {5 y% l
- #include <string.h>
& p" I1 {! E1 o - 6 ?8 M: Y: H+ h) g
- typedef struct {4 C( D) T! S# F; H2 }9 ]7 k
- unsigned int e2prom_cmd_sub_addr; a% ^6 D# h8 q' s" V
- unsigned int sub_addr_count;1 X3 K, _4 K2 u
- unsigned char* e2prom_cmd_data;% c6 R, T8 [/ Q) n8 T8 P
- unsigned int data_count;
3 t' ?* ?6 ]) V& Q8 r8 ^# F& } - } e2prom_s_cmd;! Z0 O- s5 k6 N$ j1 q
- ; ^/ F+ @1 d- E2 ]/ L. n- n" A
- #define E2PROM_CMD_READ 1
' Q! y' P$ E: C4 d! @& a - #define E2PROM_CMD_WRITE 2
. ^( D. [2 M* _ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"% Y1 ?* O. s! e* H! q2 ^0 V5 j# f7 A
' s4 L) p I2 a# H0 f" P( M- static int readparam(unsigned char *mac, unsigned char *stbid)2 u& t! E1 q' E9 N; r
- {
4 f5 u. U! o: h - int fd, ret;+ c% x2 _* o8 L( n
- e2prom_s_cmd arg;
0 @ O6 C$ g D - unsigned char buf[0x18];6 P7 Q/ H# h5 J6 X5 x f
" n9 e- D' ?, L8 y- C9 x- fd = open(E2PROM_DEVICE, O_RDWR);. T5 g3 N! Y7 X2 j
- if (fd < 0) {' ]7 C% d5 X8 @
- printf("Device %s open error.\n", E2PROM_DEVICE);6 W/ `+ U& B" Q {3 H" ?
- return -1;% e3 l# B0 \& M2 J+ _: x
- }
( Q/ v( Z" Y# P7 ~2 i, _% D - arg.sub_addr_count = 2;
* b, @" ^. Q# C: h7 A5 T - arg.data_count = 0x18;9 ^# X2 E5 s4 b! S: l! t) @6 _
- arg.e2prom_cmd_sub_addr = 0x290;
" Q9 }, m% s' ], S - arg.e2prom_cmd_data = buf;% {8 Q% y8 b: k0 Y. [7 n5 k
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
6 I; U2 L1 |% ~' G, K - if (ret != 0) {
0 _( W. Z+ q; X* L4 O r - printf("Device %s read error.\n", E2PROM_DEVICE);& p, f' _# O @0 T$ b
- return -1;
% R& k4 |5 e" Q: i3 c4 w - }( l2 x) R5 \& c9 q# M
- memcpy(mac, buf, 6);
. ?) T( u3 ?; d' f! q/ ]0 | - memcpy(stbid, &buf[6], 18);! o( [! n$ R7 i
- stbid[18] = '\0';8 H$ B! h b8 p3 y* O' @6 U w
: I2 _3 ~) W5 ?5 h5 a- l& |6 c% C- return 0;
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- 8 T6 m2 `' H' R4 O! M; o
- static int writeparam(unsigned char *mac, unsigned char *stbid)
) V1 j. Q% E8 v/ f# n0 u+ p6 |* Y! ` - {
6 P4 N7 S2 a. k2 a - int fd, ret;; F0 C N* ?7 B. Y7 U: p& g
- e2prom_s_cmd arg;$ U5 Q- r( q2 G4 G3 r' b
- unsigned char buf[0x18];
/ P3 Y: f$ l2 _% ^, s: t* B7 W: G }
& \" t* l, V; i3 E# a$ s8 t- memcpy(buf, mac, 6);
* g0 J0 g8 m$ n& K% t' x - memcpy(&buf[6], stbid, 18);8 _; K: v% ^% Y0 B
- fd = open(E2PROM_DEVICE, O_RDWR);
6 n; }9 [% @' Q8 V. H: ?1 L2 b. f - if (fd < 0) {
( O7 M: U9 h4 z% h: `0 K - printf("Device %s open error.\n", E2PROM_DEVICE);/ a3 b4 K( j# B: w- v! _1 M0 W4 @
- return -1;
* t% \6 V: `, s - }. W4 M, g: g3 t& M! f9 m
- arg.sub_addr_count = 2;( @( H8 ]$ I. M, M% J; O0 j
- arg.data_count = 0x18;
$ l4 u) v, w; t) I Y" l - arg.e2prom_cmd_sub_addr = 0x290;
1 V8 C# @2 f9 \% g7 y - arg.e2prom_cmd_data = buf;
; D) w. z6 Z/ S G$ e! X' { - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ u$ c/ Y8 ]( O& J
- if (ret != 0) {
- `7 M9 g4 T- k- r q - printf("Device %s write error.\n", E2PROM_DEVICE);
' l$ |& F5 ^/ q$ W - return -1;
7 f/ Q l1 [& t' F8 C - }
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: _5 ~: _) ^/ y, I- return 0;0 y2 q+ w% L& C5 B$ Q
- }
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- int main()
7 {* g, t- b5 A" U, Y - {
$ ~% T5 r' p. T - char c;1 P6 k; H: y. W3 U6 v
- int i, macs[6];2 [" g" {1 Q! a! H2 [
- unsigned char mac[6];
" t0 Q; j8 s4 K; }/ p; r8 W - unsigned char stbid[256];( |( b! X9 s( G
, y7 e9 z9 j( L$ v& z- if (readparam(mac, stbid) < 0)2 B# V. Y7 |2 ]3 t( Z- F7 f! y' b* B1 d
- return 1;1 r9 w& f' r+ E1 T H6 ^0 E. t
( r& M1 j: g# z1 k- printf("Current parameters: \n");$ v. k. P, T% \, d
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: n# w& g! B: ? - printf(" STBID: %s\n", stbid);& o% q- @) T8 K$ j' n
-
6 g" X( v) J/ S+ m& {: E) x5 u0 M. @ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");/ ?0 z2 g$ C, _% m
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {7 }3 \5 d. ^- c H: t8 J2 v
- printf("Input MAC error\n");
( M! @# C- E, e2 u7 |" M9 ? - return 1;* W- T) P; X3 g
- }0 Q, n6 s0 U7 D' u
- for (i=0; i<6; i++)mac[i] = macs[i];0 Z: V; g4 [; ~; T6 O+ A" N# h
- printf("\nPlease input new STBID: ");/ [( l, {- X1 c
- scanf("%s", stbid);( [/ ^" ]+ l) e
- if (strlen(stbid) != 18) {
' X6 r. e# x- }5 d8 N - printf("Invalid stbid\n");
Y2 f# m1 n# g" k+ [: Z) s - return 1;+ s/ a7 J/ W3 K$ e
- }
, w+ e, P7 T' ?0 U - printf("\nNew parameters: \n");6 C. ^9 P7 A& Z- f9 s
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: o- {8 M/ m, O: T/ R/ K - printf(" STBID: %s\n", stbid);7 r7 d; x" T, R- T) @5 a/ I4 \
- % \, W7 n2 {5 _. @
- printf("\nDo you want to change paramemters? (y/N) ");: ^% v$ c' O, B9 P9 {7 u5 H8 O
- for (;;) {
1 {3 S9 s- n, }2 z' i - c = getchar();
& B& \) Q* I% U- I" v5 E - if (c == 'y' || c == 'Y')
; y$ M! g0 I3 t( G2 a" L - break;
( W& O# h7 w) U8 K' p7 z* t6 T - if (c == 'n' || c == 'N') {
: x9 z. P; Y8 o; l2 J; H - printf("\nAborted.\n");
1 P) |7 V: L5 G: Z1 _ - return 1;- B4 V* G% Q9 _+ d3 t% x5 B Q: O5 B9 n
- }0 v) r8 a6 ?- y7 e- ]% D
- }, p- N, L4 E2 h! i+ `
- if (writeparam(mac, stbid) == 0)
& C; B: }, e: J. R1 v, @# N - printf("Parameters changed.\n");
- S3 M) H2 J8 D! { x - / ^. L3 Z3 h$ ?1 B% g
- return 0;3 Y: U8 d( c* {1 U- ~
- }
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