本帖最后由 0522 于 2012-3-21 23:04 编辑 3 ]" p& e8 D$ e2 \8 W) T. ?( N2 H) W* u
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修改的代码早有了。到今天不会编译。
9 ]1 ^: k Q, L3 S; G0 [需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
% ?1 \6 n! ~' W- P3 S( Y - #include <malloc.h>
8 m8 Z9 O6 D' H$ N - #include <sys/types.h>! R; r5 N" b/ w$ y) O1 t6 v. t
- #include <sys/stat.h>9 `( c6 J j0 @) [; N& t3 h( q9 G1 y
- #include <sys/ioctl.h>; a: b, Q2 C! c6 w, y. y1 F2 a
- #include <stdio.h>% j* `" S. U+ o3 x
- #include <string.h>
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% F2 J, f# U- `: ~6 C! Q- typedef struct {! e( ^" U9 E3 d" ]3 s1 }( R( ^/ \
- unsigned int e2prom_cmd_sub_addr;
2 _" Y ~5 N% z! E* Q - unsigned int sub_addr_count;
8 a( ?4 A% {+ `7 j - unsigned char* e2prom_cmd_data;2 \ x8 {$ `4 n N3 P
- unsigned int data_count;
8 v5 P3 N) Q/ j" m9 V9 p - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
W8 V: O+ Y. L! s3 V2 \, ? - #define E2PROM_CMD_WRITE 2
5 s( l' Q8 N4 Y' A# ~3 L - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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6 T& ^& F0 f/ N1 x" X/ U) z- static int readparam(unsigned char *mac, unsigned char *stbid)/ l' v& b5 \/ c& S/ A& A
- {
+ f" H8 v4 d0 X' R; Y) Q; B4 i- } - int fd, ret;" D0 {1 A+ G; t$ u2 o+ m
- e2prom_s_cmd arg;& g! `/ t& ~* A* @7 D9 C; s' |
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);" _( }6 ~* `$ c& [- y0 w* \
- if (fd < 0) {: ~" p A6 k1 B8 N
- printf("Device %s open error.\n", E2PROM_DEVICE);8 P9 E* x0 {" P" d
- return -1;
# I" Q. u: C- _/ x8 k4 D - }
) n) n# y0 @- y# A6 w - arg.sub_addr_count = 2;
5 x/ v+ q7 C6 c$ a; C - arg.data_count = 0x18;& P. C# w W& W, G: @% ^
- arg.e2prom_cmd_sub_addr = 0x290;3 P g: D1 S: [- |7 T
- arg.e2prom_cmd_data = buf;
. b8 z5 S |6 G) I! }/ [: @ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
* Y! u0 s2 C; E9 {! K0 e3 q - if (ret != 0) {& ?3 Q+ _; ~ Z! B
- printf("Device %s read error.\n", E2PROM_DEVICE);
" M5 A4 h- R% P! y - return -1;
3 ?* L# Q T7 |7 W4 k - }
/ y( ?9 ^4 Q: T/ p - memcpy(mac, buf, 6);. D% o1 h( x% y, ^
- memcpy(stbid, &buf[6], 18);
2 N; E9 s3 a3 U# D( w. L" h, Y - stbid[18] = '\0';1 H. U- l6 B; ~. [4 _$ ^ {9 K5 O i
- , F2 a: Y; T5 F; K/ ?
- return 0;
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- }- r( ^& ]+ \4 n$ s1 j- static int writeparam(unsigned char *mac, unsigned char *stbid)
8 s% k' {9 T: b: H3 q0 a - {
! b8 M5 Y6 h9 ~' F% @4 M - int fd, ret;
8 y% h- a3 I7 I* t - e2prom_s_cmd arg;
' J+ y" R( U$ b! ?1 } \) y8 [ - unsigned char buf[0x18];
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% V- E6 z7 C x+ @& z- memcpy(buf, mac, 6);
. w- P: N8 X+ Y: R$ a; p* q& l6 F, J - memcpy(&buf[6], stbid, 18);, b7 N) l- n& O2 M7 `
- fd = open(E2PROM_DEVICE, O_RDWR);! s! i2 X. U5 j
- if (fd < 0) {
, n7 [& n( e8 T o2 W - printf("Device %s open error.\n", E2PROM_DEVICE);" l' z T- l( q/ ^3 ]0 N& C
- return -1;7 g( E8 E+ T' h
- }; ]2 f/ y* p3 x/ E6 c
- arg.sub_addr_count = 2;! G% J0 I) h/ R
- arg.data_count = 0x18;
. \+ b( a- R) ~/ { - arg.e2prom_cmd_sub_addr = 0x290;
/ Z$ Y3 m. g2 x3 i; c - arg.e2prom_cmd_data = buf;( S! S; W& q$ k' ]( K: u
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);6 s9 A) L; `( z3 E* x* H
- if (ret != 0) {: U, k& y, w: W. t# h1 M2 F* r
- printf("Device %s write error.\n", E2PROM_DEVICE);
* |; p# p$ u! g& C - return -1;! W' P. G" [4 y
- }1 q: m) ?0 J" q$ D- Z) s
6 P2 T' Q$ P" ~' z# J* V- t% z4 E; m' F/ c- return 0;# s, w7 q2 O$ f7 S/ _0 x9 u
- }6 H. w8 u: Y$ P4 I) n
- , ?, f- s9 n+ C7 r3 ~
- int main()
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- char c;- h, @1 w% _$ M; Y( x) W1 n) P
- int i, macs[6]; t( |0 d- X. u& ?/ k8 {6 c
- unsigned char mac[6];( O% d h! N2 g3 J7 w) f$ Z! v
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
2 e% t/ y* X, d B3 j0 v - return 1;
" u- k- z6 Y7 E8 ]# l
/ ]4 A5 j* Q+ U# ?3 g% {- printf("Current parameters: \n");& U" W, o" g+ T, x ^
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) i/ P7 J& q" n. }* g( H0 v( l - printf(" STBID: %s\n", stbid);# ]. e+ e4 B* o3 Y( F6 t3 G, L3 ?
- * C$ [; \% _' b6 u, Q! \
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
6 \: s; m9 V+ N! u8 M - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 [9 H/ J7 g4 M
- printf("Input MAC error\n");* |( [) s* t0 _: b
- return 1;" ]& P( j6 g8 w
- }# J9 H+ X1 X9 B* ]$ B
- for (i=0; i<6; i++)mac[i] = macs[i];/ v ?$ H! t# L
- printf("\nPlease input new STBID: ");
7 {* w5 T5 L( R1 ~$ n4 v- Z! e" h- g - scanf("%s", stbid);* C5 q$ J* H$ ^6 P1 {0 M! T
- if (strlen(stbid) != 18) {
. B: u- \. B/ d. i) B6 G+ R& R - printf("Invalid stbid\n");. }! y+ E) A3 ]3 G! y. V0 h7 ]
- return 1;
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- printf("\nNew parameters: \n");3 k# c) _( O! A; U2 Y7 I
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 _ ]: y7 T+ G - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
. K# {9 R0 g$ w) s9 X+ ] - for (;;) {! R V$ \7 d- J; x6 l4 r$ w
- c = getchar();
" ?+ \0 J7 c# K/ h4 q. F. F - if (c == 'y' || c == 'Y')
! s) W' ~: W0 V9 Y$ o7 O - break;& h2 Q" ~$ x: {6 @3 I
- if (c == 'n' || c == 'N') {
; e5 d. h1 q# z: P& S - printf("\nAborted.\n");
9 R( m5 G# A) o$ w - return 1;
7 B4 ?5 _% W9 S: m - }
7 e6 k! g: F& J1 T1 d( f- H - }
1 y S1 u" w7 |) b) { - if (writeparam(mac, stbid) == 0) % |" J& [8 n8 r8 Q1 s1 y, T t
- printf("Parameters changed.\n");7 D/ f$ Y( \; Z. |
- 6 V! G/ y: _# L
- return 0;! {6 J+ ?& ?- [! u5 S
- }
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