本帖最后由 0522 于 2012-3-21 23:04 编辑 5 B3 R- i |2 A* e/ S
8 R4 `; P' x% ]- o4 g: q修改的代码早有了。到今天不会编译。- a% K5 F2 X& ~& X; p
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
/ F& _5 @# G( B7 T7 S - #include <malloc.h>! L% c& U. I# I& M! l4 {
- #include <sys/types.h># m% s, P2 a& s6 ~1 _' A# [- t
- #include <sys/stat.h>
( T4 h5 P2 B4 ]( b' i4 q - #include <sys/ioctl.h>: l& p2 Z% {' Z( X
- #include <stdio.h>/ n* u4 A8 U% X# c# H0 n7 K5 ?
- #include <string.h>+ I& S) D4 y7 K8 W
- & s- h6 {. f, @6 ]
- typedef struct {
- ?: w/ Y- w" Q: h1 c( ^# F - unsigned int e2prom_cmd_sub_addr;
* V1 j! W' ~. [ - unsigned int sub_addr_count;
6 A' D7 _, W& c& X - unsigned char* e2prom_cmd_data;( i: V7 P0 h8 C. n/ \ S/ i
- unsigned int data_count;* E z2 S3 T c. S3 s u. s: y% c U
- } e2prom_s_cmd;" o* i+ Q! _) [& r5 |
0 l1 h! I# v, H/ Z" G4 I( h# Q- #define E2PROM_CMD_READ 1
5 I6 u5 V3 e8 M& n4 E8 I. p: Y - #define E2PROM_CMD_WRITE 2* W& `1 Z7 V; s3 @
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"% |4 Q0 Q1 j! V6 |! O5 A, b
- 9 \8 s* T' `. C6 v4 p
- static int readparam(unsigned char *mac, unsigned char *stbid)3 V; u8 S2 u& f3 j4 c
- {
$ b( C* O' \+ M" f4 |! ?& a: ]. M - int fd, ret;, s. V* ]$ z5 \% X
- e2prom_s_cmd arg;
! ?: W6 t8 s: L5 T7 m - unsigned char buf[0x18];
- y2 P! d! s; F. B1 U$ F - / [- S, F6 d# I" Y$ l" L$ c" N1 L
- fd = open(E2PROM_DEVICE, O_RDWR); k. G! n# t' L% a u7 u
- if (fd < 0) {
" a& s) |' j1 P4 x& l' x4 p - printf("Device %s open error.\n", E2PROM_DEVICE);) x* `, i* ^: ~8 _
- return -1;+ ^/ L1 m0 c1 A# H% b/ d) M! l! p8 v
- }
5 ~" n. s, F- J5 u+ b d7 C" E; i - arg.sub_addr_count = 2;
( b6 r/ @9 O" ^6 w6 F2 ~ - arg.data_count = 0x18;" X& }& l& k' z) P+ u2 t c, X
- arg.e2prom_cmd_sub_addr = 0x290;9 a( a$ k0 V2 u6 w& D% L( I4 c
- arg.e2prom_cmd_data = buf;/ i6 m0 s) o5 Q4 l2 c
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);& ]' u' d' Q! {5 l% t, M5 Q
- if (ret != 0) {
2 F9 h* o2 [0 b( e$ R6 J/ `, p - printf("Device %s read error.\n", E2PROM_DEVICE);
' ^2 ]: {' w2 a5 p0 Q - return -1; ~4 I$ S2 p$ f# {# [
- }
( p* w: E+ @: l - memcpy(mac, buf, 6);
3 R% u" Q- `; Z2 a - memcpy(stbid, &buf[6], 18);
; m' @+ d9 c8 ^6 D: |& {7 Y - stbid[18] = '\0';
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- return 0;
2 n1 u; B: ~3 v1 R- z. [* A x - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid); X2 p$ d8 i/ Y4 i# Q% f. x
- {
3 U0 H& A/ G$ E; B+ u- c {* \4 p4 Q+ |9 m - int fd, ret;
5 r& {: _& c6 P9 q& h: v( V - e2prom_s_cmd arg;
2 |6 d* |, b0 P: R - unsigned char buf[0x18];
- ? |8 X w; o0 {
( _ E$ O- z$ }+ s$ f- memcpy(buf, mac, 6);
; \8 j( `' k5 _5 M - memcpy(&buf[6], stbid, 18);
; n- D# W& P6 |' x, i' E - fd = open(E2PROM_DEVICE, O_RDWR);5 a4 ]7 N" `9 ^! n3 \% i! [
- if (fd < 0) {
4 }% q+ k/ M# [ - printf("Device %s open error.\n", E2PROM_DEVICE);
- K, |* `" |6 m2 ^& v7 _ - return -1; m, n# y7 L# }/ W4 ~ Y0 e
- }: B' ~* z% b- d7 Z( {# i' m
- arg.sub_addr_count = 2;2 V1 K# A# C" e7 H0 H. `
- arg.data_count = 0x18;
" l( u, v6 j, p H7 C1 ^ - arg.e2prom_cmd_sub_addr = 0x290;5 {( ?0 a% o7 d- v
- arg.e2prom_cmd_data = buf;
$ P& |! V# d- z4 m - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);! }6 y5 o3 S. d- ?* r" P; e
- if (ret != 0) {
[0 e9 S( E! h4 F1 S5 `( t( M - printf("Device %s write error.\n", E2PROM_DEVICE);
- R& O8 V3 E- v- t# b - return -1;0 R x9 p" T4 R# [( L, C% \
- }
& x5 M6 Q( c5 ?& L$ S% M O
4 K/ S% F& `' i3 w$ B7 B- return 0;
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- & A3 _6 v2 ^: }5 u* | s! Q C
- int main()" ~+ |' } V9 `" h' e# a
- {9 Q7 J. n& a, y2 L
- char c;8 }2 h9 d5 l6 j5 {" |" B" N2 c! h
- int i, macs[6];# ^$ Q+ q+ \' O
- unsigned char mac[6];# N) c4 w" G, c7 }
- unsigned char stbid[256];, f. t. L; O8 x
% K# N% H3 ?! ]& P3 _- if (readparam(mac, stbid) < 0)/ T6 G1 r) ~- q8 c R6 d
- return 1;
) q4 B. V+ u3 m6 d$ k% G/ \# |# o
+ ~5 j1 |# A/ g% l/ d/ @: U# @- printf("Current parameters: \n");
. S p$ P2 W: T; {1 A! P7 F - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) O1 W: {( q0 f) Z6 w
- printf(" STBID: %s\n", stbid);
) n$ F) X; _/ ?% G. c8 c' g$ e( m) l( y - 3 ]7 h4 Z; z# M% g+ {* @5 W* l. e
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");4 B7 `( x4 D* _& ?$ k3 y
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 I4 b: L4 `3 C, ~% b1 }) k8 R - printf("Input MAC error\n");' a9 y' o2 r5 q8 [$ g5 Q
- return 1;
d2 ] p& e; S& X. O - }( }' t8 p$ P/ @4 V0 L3 s
- for (i=0; i<6; i++)mac[i] = macs[i];
6 ]6 c% K$ b" @' { - printf("\nPlease input new STBID: ");
6 M3 `8 q- ~6 h) S - scanf("%s", stbid);
+ H% N8 f; f1 ]8 l' @8 ~ - if (strlen(stbid) != 18) {* C6 F2 `6 v% H( q/ e$ e
- printf("Invalid stbid\n");
/ Q% s* X" P8 n( T; k) [8 T/ V - return 1;
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- printf("\nNew parameters: \n");8 p, X B$ l' `3 z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# b! A" p- V( X - printf(" STBID: %s\n", stbid);) r% s5 W+ @+ h3 J
, Y* X& N* d- T o9 O, Y, g% ^- printf("\nDo you want to change paramemters? (y/N) ");: n1 s9 k% N5 e+ a
- for (;;) {
* G& P0 R3 {/ S* d0 h) G( l. c+ H - c = getchar();5 [) H( F3 n( O6 i3 o8 o' H
- if (c == 'y' || c == 'Y')
' s; x/ O( U4 K4 V# } - break;
2 F$ a2 D, J% i( t" X9 @5 b6 O4 ?2 J - if (c == 'n' || c == 'N') {: z0 [6 N) n. V e
- printf("\nAborted.\n");
$ W. o7 O% L* j2 d - return 1;1 Y# {" r; p, [! ?
- }
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- if (writeparam(mac, stbid) == 0) 2 s9 y) y! d* @8 [' n
- printf("Parameters changed.\n");% C5 | v9 R# @* h+ h
; z' R3 G, H$ }, h- return 0;
{! B2 n) x4 _5 c- r - }
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