本帖最后由 0522 于 2012-3-21 23:04 编辑
/ ?) L- c6 b. l3 q# i
3 P' [4 \; ]6 ~修改的代码早有了。到今天不会编译。
2 T5 O; G3 \0 j0 c% r需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>4 \, u# C3 b u. ?
- #include <malloc.h>
! n1 u! k' p C7 h# R - #include <sys/types.h>
- J7 U# m8 v2 n - #include <sys/stat.h>
' ^6 ^- A( a' h1 s - #include <sys/ioctl.h>7 H* X# `) ~ M% s+ k% M. z* U
- #include <stdio.h> z, s1 e/ Q( _ ]
- #include <string.h>
! \3 q, I# ]- v3 ]
2 G; f+ U5 C( n/ d* {) b- p6 L- typedef struct {, N0 D# n z4 A5 n4 i7 w4 z7 r
- unsigned int e2prom_cmd_sub_addr;
: H9 C# w2 ^. k5 w+ p F' O - unsigned int sub_addr_count;' p+ L/ z* u2 i- n6 g" d, X
- unsigned char* e2prom_cmd_data;/ v* f# q/ m8 K& P7 h# e( C+ C: t
- unsigned int data_count;
0 M# y. A* x f) i8 ^4 W% ` - } e2prom_s_cmd;2 K2 I# C- o1 O" e
0 ?4 k& \8 @) m- M* f5 Y, w% B( z- #define E2PROM_CMD_READ 1$ ]' x7 h9 \5 M7 l. r% u/ ^/ a
- #define E2PROM_CMD_WRITE 2
3 \# c I* }# V) k1 e, [ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
5 \& A8 x/ h' A - 7 T3 f" p$ ^6 H' k U7 \
- static int readparam(unsigned char *mac, unsigned char *stbid)) Z1 N; [ }0 k3 P( f
- {
; ]- g! L& P7 D6 K$ f3 f - int fd, ret;$ z/ H" X2 X; u/ D& Y. @
- e2prom_s_cmd arg;, z" W8 ], T# w. J, \" C! I
- unsigned char buf[0x18];1 {( |/ i* H/ z' p0 E
) J1 w& L8 G' W6 o2 r* ?- fd = open(E2PROM_DEVICE, O_RDWR);
7 g; i( P i+ ?4 y: w5 N0 ~ - if (fd < 0) {5 j' ^% R* k& Y: Q# ^
- printf("Device %s open error.\n", E2PROM_DEVICE);# I) g6 {5 |; z" P- p2 K
- return -1;
; O, X6 S% U/ q/ \ - }
% ?( U0 J' u' _8 M" J1 w/ S - arg.sub_addr_count = 2;# N$ `* ~9 @9 B" B9 d+ z' W6 G* G
- arg.data_count = 0x18;4 h( p. u! J- c
- arg.e2prom_cmd_sub_addr = 0x290;" g1 D% [# m4 N" s# e
- arg.e2prom_cmd_data = buf;
% T/ h5 B; G7 ? - ret = ioctl(fd, E2PROM_CMD_READ, &arg);( U( o9 y( I t! c, ?
- if (ret != 0) {1 p) j2 {2 K. V6 D+ |) |% r
- printf("Device %s read error.\n", E2PROM_DEVICE);
/ v, E$ P: W0 W6 Y( L4 V - return -1;
Y" J) w9 ~# _# H# f& }) O - }5 }3 L3 z% e7 u/ s
- memcpy(mac, buf, 6);: r; z- f6 P4 M/ |! `5 r* c
- memcpy(stbid, &buf[6], 18);' H6 o8 |8 i& u' ]3 ~7 o9 `0 R
- stbid[18] = '\0';( b' |% g; t$ D' W/ T5 J1 H- g
1 G* h9 l3 F- t' ^3 l; z- return 0;
/ u! j' X7 c) U7 d7 h, @9 y% [6 d3 ~ - }. u4 W; Q+ E, H' d
- & u" \( E# L- r2 u/ v7 p
- static int writeparam(unsigned char *mac, unsigned char *stbid)
# P" Q. T- W) t* [ - {
% m( S5 L! p/ a: G) T - int fd, ret;
# ?2 V$ T6 n1 r& A+ S0 X) ]( l+ [9 ? - e2prom_s_cmd arg;$ q8 F, k: W: j! F# V
- unsigned char buf[0x18];; ]+ N- ]% @& l" N
4 K) e& U8 @! J# J- memcpy(buf, mac, 6);. |! D7 B# ~+ D7 S8 n. S
- memcpy(&buf[6], stbid, 18);4 |- W4 n5 J P
- fd = open(E2PROM_DEVICE, O_RDWR);
6 I( j5 z) \0 W8 _0 s - if (fd < 0) {* f9 A1 F% X { R/ l& t
- printf("Device %s open error.\n", E2PROM_DEVICE);
- N' O( p5 s$ D5 Z+ J - return -1;. f, a5 Q+ e6 b8 [) I3 e% X
- }! R$ L& s6 |; i
- arg.sub_addr_count = 2;
r+ V! \( g- l3 B - arg.data_count = 0x18;
\8 q& z o8 o- x - arg.e2prom_cmd_sub_addr = 0x290;
8 R) H6 d5 Z @9 ]! O3 W }! t; ] - arg.e2prom_cmd_data = buf;. u4 Q& A$ T$ G' Y# ]
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' `/ u. e$ ^% _8 n/ w) h" U
- if (ret != 0) {. ~ ^ n% _, e5 v( Q2 |( b, I1 j
- printf("Device %s write error.\n", E2PROM_DEVICE);
& D& Q& ~* k" P( Z6 e2 S - return -1;
( c: c- F$ g8 A/ h - }
- B; {, v- h0 k7 W: b
) _$ W1 q3 P& e6 a- return 0;
1 m3 R2 q$ f3 Z* I - }$ p, |5 l4 c1 o2 o( f X4 B3 l( j
- . \- e# m# x5 x0 R, _7 U
- int main()4 z% z% y7 f$ J9 x0 y7 L
- {' I& u. |0 Q% ~
- char c;7 L, c0 l* S }1 d L
- int i, macs[6];
& X3 t% H% C' d9 M0 H - unsigned char mac[6];
. U- G# U7 r( |5 y; l - unsigned char stbid[256];
/ ?! |% w/ D2 V# D4 @1 x$ o
}7 {( k0 ^; v" u( l$ ^3 f% i1 g- if (readparam(mac, stbid) < 0)
+ p: c B; T9 `2 x k3 P) X+ s - return 1;) J2 e+ J( x8 ~# G: N
6 Z- j! R" }' q; R, D+ W6 h: @- printf("Current parameters: \n");* O P4 I; v, G! H2 _( o
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 o3 ^# t! D# ^3 N& K
- printf(" STBID: %s\n", stbid);0 `+ S/ }) W3 k1 M
- 2 y0 D$ m" }. o- \5 w9 ?
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ D9 L) L) Q1 [6 e
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. i& p9 H3 {3 O! I
- printf("Input MAC error\n");5 T* S2 t. s/ G+ k' m' y2 N
- return 1;
1 U6 l, n C& U1 ] - }
, C6 ]; G8 [1 e7 U5 v - for (i=0; i<6; i++)mac[i] = macs[i];
& o4 h! b- t+ e F$ M8 ~ - printf("\nPlease input new STBID: ");
4 E5 C, ^0 z9 G7 ? - scanf("%s", stbid);. Z/ y: R& B6 n" h
- if (strlen(stbid) != 18) {7 s. [7 V1 O; \. P4 H2 H9 ?
- printf("Invalid stbid\n");, t0 x( D, W8 L8 F7 ?
- return 1;
4 P, t4 j2 R- j$ ^8 } m' ^ - }
+ f) T. x& T3 h+ C9 @ - printf("\nNew parameters: \n");
/ S* b/ Q9 t2 u% y* A( _/ v - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 ^- Y, d6 v' t' z: u
- printf(" STBID: %s\n", stbid);
5 M6 Q6 s! n$ D% O8 t. r+ Y
9 K g! |0 d; }6 k- printf("\nDo you want to change paramemters? (y/N) ");; y4 P ^3 W/ w* p7 _
- for (;;) {
+ P& q }' ^6 n) l2 h1 ` - c = getchar();# Q$ }" `; d/ |
- if (c == 'y' || c == 'Y')
2 w, k: D" D3 }0 `2 k/ o - break;
9 N' V, i, L8 f& p% d! Z - if (c == 'n' || c == 'N') {2 U& K. m& o; f( @
- printf("\nAborted.\n");
7 {1 N( f2 d- B" R. V% [$ {' u( l - return 1;
. \" q+ n7 Z% y p" ^ - }
: b" M. M. j& `9 D ]$ Z - } O& K% |" x, S' x
- if (writeparam(mac, stbid) == 0)
, ], l% w% H; X5 n - printf("Parameters changed.\n");
. k# X0 J2 g8 q- C. g) }
3 f; X \; Z/ D- return 0;
' y0 h5 {* l/ s$ l. H+ U% V( o9 U - }
复制代码 |