本帖最后由 0522 于 2012-3-21 23:04 编辑 1 r' x5 p# ~9 ]; Q
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修改的代码早有了。到今天不会编译。
) I+ Z5 R A( M# Y8 s+ Y* ^# E4 o需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
* T% ]; }# [! \% ? - #include <malloc.h>
3 {0 @ l6 w4 b1 ?2 P - #include <sys/types.h>
4 x9 u* E9 ~) O* P$ j8 n2 ~ - #include <sys/stat.h>
- F, W) ~2 S0 C3 l/ ~ - #include <sys/ioctl.h>5 O& t9 \0 I+ z
- #include <stdio.h>
! C& O1 }2 G5 Q. I6 ?1 n - #include <string.h>
# \9 B _% F9 w# A - - c1 a* [+ v% r( s2 C
- typedef struct {
/ v/ |5 |" w, `/ ^8 F6 r! f; R$ R P+ u - unsigned int e2prom_cmd_sub_addr;# w0 X3 M- ^! [7 f
- unsigned int sub_addr_count;
. o5 g; {5 |5 e0 L. D3 J# W6 s. q - unsigned char* e2prom_cmd_data;
. G, b% `2 k/ B, d$ M. {. s - unsigned int data_count;
, I: g- h& T$ C7 F- r9 s - } e2prom_s_cmd;
* A! }3 g* K$ w) a. K; K9 j, g - % U" W) d* k' x# g* d
- #define E2PROM_CMD_READ 1
& i# m0 K0 G, U1 v/ q3 A2 [8 Q - #define E2PROM_CMD_WRITE 2
2 T$ t' Y6 j, e3 j& ] - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16". ~& S6 Y6 j/ t5 A' ?
/ F- @$ C% J/ ^% Z, U% Q! P7 E B- static int readparam(unsigned char *mac, unsigned char *stbid)
3 Y! y( K4 r: Q K - {
! s1 G2 ^. x. N7 j5 M - int fd, ret;1 n2 _! R ^5 L. b% j
- e2prom_s_cmd arg;+ [& T( P/ z! l. m8 R1 ~1 |3 P
- unsigned char buf[0x18];' X% X: z; q) k
% P& V1 O7 W# X% l7 e- fd = open(E2PROM_DEVICE, O_RDWR);, F% z) f: S# ?& |9 n+ w
- if (fd < 0) {1 S1 ` F: s% L3 f0 Y a
- printf("Device %s open error.\n", E2PROM_DEVICE);
2 o4 |# L) t4 @1 k8 b' E4 V; i - return -1;4 d" a+ a( t' p- w2 q/ ]. a" H; R
- }! @% ^ n; s+ O9 S
- arg.sub_addr_count = 2;1 }. }1 W. P8 Z, R. c, V1 p
- arg.data_count = 0x18;
8 L/ g4 \4 W) {/ n0 ^( o9 Z' } - arg.e2prom_cmd_sub_addr = 0x290;" z1 r5 D0 ]1 T6 q1 [# j
- arg.e2prom_cmd_data = buf;
, Z! S) i: p+ E: _4 F: l - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
`# E- G; [4 N7 k - if (ret != 0) {- q! X3 B# b$ V, h- x
- printf("Device %s read error.\n", E2PROM_DEVICE);" o6 P: E" K# T7 F$ E
- return -1;* q* w, s4 H: k: Z) b; A& E
- }5 ?3 s3 T$ ^$ V5 l I) ^. E
- memcpy(mac, buf, 6);5 A* T# u+ p) I
- memcpy(stbid, &buf[6], 18);: `, g3 B) a* X- z% |+ |+ L
- stbid[18] = '\0'; c ^- G$ d" ?) H+ s+ \9 i
1 M" }( j# Q% O$ V2 p- return 0;
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- 5 {% f& x0 z1 V' ?; Q% ^1 |
- static int writeparam(unsigned char *mac, unsigned char *stbid)' a9 o5 R, {% G% a9 `: z
- {
2 b9 l- \8 t/ V/ A3 N7 n - int fd, ret;3 K7 I' |( G) C- a
- e2prom_s_cmd arg;
1 D( B3 m) l8 X( S' @4 U- [* c5 q - unsigned char buf[0x18];2 r& ?7 Q" F, M+ M
- 4 G/ }& s: q, D; K
- memcpy(buf, mac, 6);+ e# N! A) X2 r1 V' H/ e
- memcpy(&buf[6], stbid, 18);# q& u& X, J) p7 F- X7 Y8 c
- fd = open(E2PROM_DEVICE, O_RDWR);0 i3 h# I3 q5 a
- if (fd < 0) {- _( k" v o& s
- printf("Device %s open error.\n", E2PROM_DEVICE);
% Y, O1 {. _) o - return -1;
( P" l0 v8 }/ ^ X - }
: S0 X1 z- o+ C. D4 R# I$ g - arg.sub_addr_count = 2;
1 V9 u9 S: A9 ]3 Q& d/ D( {. B7 I3 b - arg.data_count = 0x18;( q% K7 g; H. R7 }& `
- arg.e2prom_cmd_sub_addr = 0x290;
S; L3 ^ W' G( X: D: }; F - arg.e2prom_cmd_data = buf;
3 p8 p& X/ [' u9 J - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
/ t6 k- S1 c8 w7 [- j9 z6 n- Y - if (ret != 0) {
- |2 U ^* M% c" _/ N7 `$ q - printf("Device %s write error.\n", E2PROM_DEVICE);/ A& G# `0 @6 q* P1 g }' s
- return -1;
$ @2 N9 S0 G+ W- F - }- v1 j |5 d( h' E
. C, X, q4 p6 s2 _- return 0;) Y/ M; _* o+ @9 R. v0 U
- }
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2 g+ o2 p$ w4 C8 H- int main()0 M. `8 s8 w- O* P* S O. g( R# h' O
- {5 b0 s' M e/ ?5 g5 ~
- char c;" k: j, e6 S" d) D' v: f
- int i, macs[6];
% R8 | @5 U( k6 d9 o0 L - unsigned char mac[6];6 i( H* C) z; j. u* K
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
* X1 V2 c/ |: I5 d( F' T - return 1;% T, z: @( ?& b4 o
" C3 p! v2 n* {- p- printf("Current parameters: \n");
% v* f/ S6 l( `$ ~* }' a/ B - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: D& G' t# p+ x+ T5 r! a
- printf(" STBID: %s\n", stbid);
8 A" R) h- w7 ]% F - ' ?3 O j1 P9 ?8 v9 p
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
! r2 `/ M2 |* g8 I9 o. v1 J - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {: t! D2 g G7 C+ y3 j! t
- printf("Input MAC error\n");
! {: _, [2 T* x4 |: P5 f - return 1;1 ^) q- @ k4 F0 K6 A
- }
6 e: d' {1 n! L" n% A* U4 a2 J# w - for (i=0; i<6; i++)mac[i] = macs[i];* Z/ ?" ?! h6 A! Y- ]
- printf("\nPlease input new STBID: ");
+ T/ J' K8 m) @. d! ]8 v: [- d( [ - scanf("%s", stbid);/ W# ^$ [3 f1 {, O
- if (strlen(stbid) != 18) {/ v O: `/ p8 Q) R
- printf("Invalid stbid\n");: Q( c: q5 ^9 L2 M L2 s
- return 1;
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- printf("\nNew parameters: \n");2 M4 W& P. \$ s7 ]$ d! I, V& v5 L K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" Q8 P8 X# k& X& t7 ]& ]( o6 b' M - printf(" STBID: %s\n", stbid);; p- Z7 v# E4 r2 p! a! l) J! d
& o0 Z( y4 T" O5 h0 n" |% F, u3 p- printf("\nDo you want to change paramemters? (y/N) ");
1 H+ R3 d; t, k, p! s - for (;;) {! {( W6 q. V6 k3 A
- c = getchar();+ F/ V+ z& u5 I9 R& X" @( d- C
- if (c == 'y' || c == 'Y'), ? {$ F4 Q+ C
- break;
% {& r. n% U0 a, t - if (c == 'n' || c == 'N') {7 b1 \% D% @3 @1 z. Z- e# L
- printf("\nAborted.\n");" A0 z x2 [: }/ u ~
- return 1;
; P; H( I7 d4 m - }& D7 E. U% r# I2 _$ |
- }
/ i1 t5 x+ o4 Z" I8 V$ o- l - if (writeparam(mac, stbid) == 0)
7 j- B, I. d3 L# C8 e+ x - printf("Parameters changed.\n");, D0 I- H: T4 F" t( [5 I& [
3 `0 U1 {* U% n l! E- return 0;7 W! v3 V. A5 U0 |
- }
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