本帖最后由 0522 于 2012-3-21 23:04 编辑 + c# m5 t9 V; c9 c @
8 ^. q2 E9 y+ G修改的代码早有了。到今天不会编译。* P+ L N3 c. b$ F$ E
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>+ Q" `2 a7 Z9 w
- #include <malloc.h>* P9 X9 x( [1 b- ~1 B
- #include <sys/types.h>
, q1 ?8 Y( \- g9 J. p: K - #include <sys/stat.h>
r5 m6 a& {, w5 X - #include <sys/ioctl.h>
. f9 x1 n" M/ J7 N- G - #include <stdio.h>$ _0 r- l6 z" C, L7 _+ I! A
- #include <string.h>4 r- S$ }9 P+ U( j$ n+ b
( O( e6 b6 ?" l( l7 \6 D0 G E- typedef struct {
# F* s- ^7 ]: R" t+ m, j, P. x - unsigned int e2prom_cmd_sub_addr;
& U: G, c3 r( U5 p0 p ^/ z - unsigned int sub_addr_count;; m- A4 Q0 A Y. d! ]+ [
- unsigned char* e2prom_cmd_data;
5 d+ e' r) v. }- ^1 C3 H3 |' d - unsigned int data_count;
8 }/ @, T( D( _/ o b; q - } e2prom_s_cmd;8 k5 O8 i: V3 ~: M& t4 ^
* D$ ], \2 N r' W. G- #define E2PROM_CMD_READ 1
3 ?0 b% \# z3 f- U( e5 T8 N - #define E2PROM_CMD_WRITE 2& O' L% o: _$ P
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"3 ^0 l+ h0 q; J: X K
- |0 Z8 O( v7 H+ Y3 C. N# t- static int readparam(unsigned char *mac, unsigned char *stbid)4 r; v2 ` a( K5 H
- {
( q4 Y* S/ R' ]+ K) W- h) l - int fd, ret;2 J `3 a0 Z$ }- ^$ G4 V
- e2prom_s_cmd arg;+ c( L. v" S( N" }7 n
- unsigned char buf[0x18];9 | x* j3 M0 L- Z% `+ s w4 R
- , X/ `( N: w* E7 X- N% f+ h
- fd = open(E2PROM_DEVICE, O_RDWR);
; C$ o" w) n6 V* \ - if (fd < 0) {
3 G4 I- t! G, C9 }: o. w - printf("Device %s open error.\n", E2PROM_DEVICE);
- f$ Y) Q% Y9 D' [# c9 c8 _ - return -1;
1 ]& o! m) L# W+ d: b; V. j/ v - }
9 x& d# R* r( b/ A - arg.sub_addr_count = 2;
2 p! ]! g8 m; C+ O3 F/ ? - arg.data_count = 0x18;; ]/ a5 L r X
- arg.e2prom_cmd_sub_addr = 0x290;
_' T9 t) ~/ r - arg.e2prom_cmd_data = buf;/ j2 G" _0 t; y6 M" X6 |
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' X4 G/ x) [! F; h - if (ret != 0) {2 w! a; N0 j1 X- v- V
- printf("Device %s read error.\n", E2PROM_DEVICE);+ O( s, t4 u+ m- e
- return -1;% p% j0 }9 ]( l4 L1 P) o+ Z
- }! G6 }! Y5 a; w4 O: ]
- memcpy(mac, buf, 6);$ j3 F& X* b' X- x# J
- memcpy(stbid, &buf[6], 18);& Y( t6 x* ^' h0 }' T4 d8 x
- stbid[18] = '\0';
, h) N1 T6 y& ~+ }1 S- [
1 x* S- [$ N3 O5 \4 f% R- return 0;
7 y" u8 G0 H% {2 ]1 _" r/ u0 V - }- c( b5 T8 S9 N
- 2 z3 d* P4 [' d9 k) Z8 e9 ~
- static int writeparam(unsigned char *mac, unsigned char *stbid)
0 ?: j; i: x8 X3 }( Y - {
3 ^, [3 V4 d/ ?% M, e9 ] - int fd, ret;
( k5 k1 p" I! _) A9 G4 A - e2prom_s_cmd arg;
1 p2 l+ p! g2 F$ w$ Q% ]7 J - unsigned char buf[0x18];
) \" E% n* ]) ^- f4 }6 O# y. d- a/ X
% H& y0 L7 w# H3 ]# V$ g1 s" O- memcpy(buf, mac, 6);" Q5 u, e5 _: u! g$ y1 s5 U
- memcpy(&buf[6], stbid, 18);- r3 P- Y3 q% ^# Z5 j
- fd = open(E2PROM_DEVICE, O_RDWR);
2 V( {" l) g, l3 v4 ]. u - if (fd < 0) {
7 p3 l3 H9 \4 I - printf("Device %s open error.\n", E2PROM_DEVICE);
. O6 e5 S( f# c: w: z: r8 n - return -1;( o+ r; S4 `8 K7 k
- }$ G4 L1 a. V) M+ L
- arg.sub_addr_count = 2;! P/ g4 R; N5 v r( L$ D
- arg.data_count = 0x18;
) M+ R' ~5 z9 H8 `; d - arg.e2prom_cmd_sub_addr = 0x290;
5 F9 l8 I" e# u/ I: ^/ v- C" u - arg.e2prom_cmd_data = buf;! R m: t* k- [+ N9 k+ t
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
3 E) e2 D5 B! D4 R) J! | - if (ret != 0) {6 R( G$ z3 ^2 a( ]* ~
- printf("Device %s write error.\n", E2PROM_DEVICE);
. [1 z" B4 Y+ Z7 s! o - return -1;
7 I2 n. e8 H2 d/ O8 X - }" v$ {. X% R; B$ `; a( F7 n- c
- 6 T7 P4 d( _# g( F/ p1 l( l
- return 0;& l' g6 L/ t- F+ D# B- _, U8 Z+ u
- }1 |! x$ J$ B& G3 I a
- i+ `1 k$ @/ `# z( h4 j n- int main()9 O2 x, Y& o/ `, l
- {& s3 w, m+ k, v$ D, c. T0 E" m
- char c;% E& x# K, i4 n2 z" |* \4 g
- int i, macs[6];
) \0 P- g) K% r( x: ], _, Z+ H - unsigned char mac[6];
0 e" C& d: X( s9 {6 V - unsigned char stbid[256];& B& C" g) M% x% v6 m/ X
% ^4 X/ O: e1 [- if (readparam(mac, stbid) < 0)
# F. `) i6 O! h- r$ I - return 1;
; t0 D. m7 D& ] - & t% u' G' t" `% f# k
- printf("Current parameters: \n");! w: F& t" Z5 o5 ~& S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ f+ O$ @: @) |" D
- printf(" STBID: %s\n", stbid);
6 a/ U+ |) L |' S: ? O b" k5 q -
# g: `2 {2 F; ~ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
8 Y; f |. n( j: K& x( v - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {1 z- T6 F6 I- B: t& T0 ^4 p+ o
- printf("Input MAC error\n");4 @$ A7 F$ I9 n2 E6 n
- return 1;. C4 [( _9 W) I& Y
- }, }- y( ?: F& G& B
- for (i=0; i<6; i++)mac[i] = macs[i];' d9 K: b4 `2 }0 m0 ]4 G* _
- printf("\nPlease input new STBID: ");
" M2 M" Y4 _) b; [1 e - scanf("%s", stbid);4 V& P8 ~# N2 l' o2 P; n. N
- if (strlen(stbid) != 18) {8 g2 v+ _, t' G8 E
- printf("Invalid stbid\n");
1 @; ]6 Q* i4 m0 R/ H& Y A3 i - return 1;; `" V; ~/ B W
- }4 n- ]. T5 ^+ `" c& a0 g/ O
- printf("\nNew parameters: \n");
( ]+ v& ] q [: B- s) I* z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 V7 q, c3 o! k( ]4 ~0 f# f+ J - printf(" STBID: %s\n", stbid);
, i# ?8 n& e1 y! B. h& X
- I3 r5 M, W! o. d$ M5 |* r+ |- printf("\nDo you want to change paramemters? (y/N) ");% [9 j) S" W3 z& X3 M% a
- for (;;) {0 R+ V J- s# J
- c = getchar();
) G' N* j7 P. Q( { k) r - if (c == 'y' || c == 'Y')* t: r( i) F' }+ p# D
- break;, I) W3 h5 l! P$ O5 q! E: j6 Z4 ^
- if (c == 'n' || c == 'N') {+ ]$ f& E( {) S8 H
- printf("\nAborted.\n");# Y" \- F( N; I! i5 v
- return 1;
: `- A$ o1 t. E9 M5 @; H! \+ [" f - }* P" `* \0 ]' k" z* ]0 z+ X/ `% r
- }
4 a' r8 w0 w' S - if (writeparam(mac, stbid) == 0)
! a. O6 h$ R# Q, { - printf("Parameters changed.\n");
: r; q- J8 c5 F" X' O! @ - 2 {! X* T. L5 }; b _( U
- return 0;
6 Y- \1 `' c1 t) S - }
复制代码 |