本帖最后由 0522 于 2012-3-21 23:04 编辑 ! d1 q" v' H: ~; n) M
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修改的代码早有了。到今天不会编译。
/ f q; V! I! p* _# { R4 f需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>9 v) ~7 _- ]" t+ I" ]4 g1 w
- #include <malloc.h>' L6 X& n) f5 j' t" H: p
- #include <sys/types.h>, d7 k9 w% p. b6 ?8 Y# w% n* ~) ?
- #include <sys/stat.h>) U/ N8 X# E" s* ~
- #include <sys/ioctl.h>
, V# J Q; e# B" h; J) d- t - #include <stdio.h>
- i, R( K: V& n4 H& i6 i. G* A, A - #include <string.h>+ ~: t X: ~$ g4 y1 |- P9 J
- ; ?; c' s6 A) [' H1 h
- typedef struct {
9 O4 y, C: u* D - unsigned int e2prom_cmd_sub_addr;
) `7 W q1 r6 L, b* r - unsigned int sub_addr_count;+ r" B/ u( S* |8 N
- unsigned char* e2prom_cmd_data;
9 P1 |! E# p* x# X6 q! V - unsigned int data_count;
6 D7 f0 k1 F/ ^$ l" X - } e2prom_s_cmd;
5 {" u9 N: I$ D0 u# `/ R8 k - ) t- I7 S5 J1 g7 H6 C; b0 @
- #define E2PROM_CMD_READ 1
& X9 w+ Y; W* k8 v. [+ A - #define E2PROM_CMD_WRITE 2
9 y3 L) |8 Z, y5 _% t - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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! h$ V8 l6 G! k$ m# u4 _- static int readparam(unsigned char *mac, unsigned char *stbid)( u8 O% p& b; R7 E
- {
, A+ |: z3 \% X" D2 t - int fd, ret;
* Q- e8 T5 O* `/ C- A/ Z2 t1 d - e2prom_s_cmd arg;8 I' S( p$ F# l: ]
- unsigned char buf[0x18];
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; n4 Y7 j @2 R& }" U- fd = open(E2PROM_DEVICE, O_RDWR);
+ I- G7 t4 M& n! }; R9 Z& I4 \) ? - if (fd < 0) {/ B& U5 V" \1 x8 g6 b; T
- printf("Device %s open error.\n", E2PROM_DEVICE);9 S& Y$ k# d" E9 P
- return -1;
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- arg.sub_addr_count = 2;
1 t9 |; A9 O4 k5 y( v1 r- s - arg.data_count = 0x18;
2 q1 |" \" W% t- ] - arg.e2prom_cmd_sub_addr = 0x290;/ q; V3 I) [% u
- arg.e2prom_cmd_data = buf;0 y( H& Y1 K6 k" O, U( v
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ d. `1 s4 S- P3 J' k1 K* n! |: `" e
- if (ret != 0) {
3 w! ]" w/ P; z% n4 J - printf("Device %s read error.\n", E2PROM_DEVICE);+ u$ G1 h( T) W: T
- return -1;
! ^& {2 G" J; y' C( m - }1 X0 t n+ O9 }; }3 o" p# y2 U
- memcpy(mac, buf, 6);
0 X. |8 I; M* A( h2 E. i - memcpy(stbid, &buf[6], 18);! L" x- P4 ~$ ]6 N% X+ |7 Z
- stbid[18] = '\0';
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- m1 R; K0 d' A6 K- return 0;, W2 @4 B4 B6 [
- }% V* J! c4 m ~% ^7 Q$ H. b
& Y w& `+ r J' B" i w/ P- ^8 a- static int writeparam(unsigned char *mac, unsigned char *stbid)! ?9 j; L, e( g
- {0 v u; C( z8 E1 o
- int fd, ret;
9 x9 V3 X1 @' i: R( x% Y - e2prom_s_cmd arg;
; x$ M& E. l; T m2 w. k6 v/ S9 N/ w - unsigned char buf[0x18];0 J6 H& X, y6 ~& |; a' Q* ^! q- B
- 1 d6 o/ j0 _- ?4 m, M1 ?- h
- memcpy(buf, mac, 6);. L( X9 u8 \" R0 @ @7 L
- memcpy(&buf[6], stbid, 18);8 o$ s3 E9 |" j
- fd = open(E2PROM_DEVICE, O_RDWR);
4 Y# R0 W+ V. _- A' m! L - if (fd < 0) {
# P: R# Q+ d5 X+ Z0 O! F* l, Z - printf("Device %s open error.\n", E2PROM_DEVICE);
/ j2 r+ R3 I# N9 t6 P. ` S - return -1;
: m. b3 b. i; v3 g+ a2 {. R - }
9 D: ^: y Z1 K2 U: S' g - arg.sub_addr_count = 2;
% d# @( L( d/ K5 c0 U - arg.data_count = 0x18;1 R6 `5 G3 x% m& ^
- arg.e2prom_cmd_sub_addr = 0x290;( Q2 w+ i2 ~5 }+ W" k
- arg.e2prom_cmd_data = buf;6 U4 ~, R W" Q, U |
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
5 T! m' b4 H; V( s# u% V) |$ L - if (ret != 0) {
$ d; K, }2 Q$ c0 B- n6 w - printf("Device %s write error.\n", E2PROM_DEVICE);5 k& M U1 V% Z% D: i
- return -1;2 r3 {" P" k6 b2 Q2 V8 f
- }
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- return 0;
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# i$ p! p" e' Y8 ~5 {2 G
. O/ H- `0 G% G O, c* e- S/ S2 D [0 k) _- int main()
6 m6 ^9 T) O H* l" g - {
/ ?# `6 f6 W8 ?: Y5 A - char c;9 H& F) P: B/ H
- int i, macs[6];
/ P1 g; m# |2 W0 | - unsigned char mac[6];
! ]6 _" H8 P* j5 _& x - unsigned char stbid[256];1 W0 q- K3 P2 ?6 Z/ u5 K4 P
- 5 a; O) n$ J$ K
- if (readparam(mac, stbid) < 0)
' x+ P! c- B8 k. ~9 T# B - return 1;' |! ]3 \8 T( k; p" M$ O" E% k- }
- & n: }$ H% Q2 A& ]/ j; b7 q4 h% g
- printf("Current parameters: \n");, N" c$ B- M9 |. y/ J. m$ p1 e
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 E& h8 ~2 c0 y, p2 _2 j - printf(" STBID: %s\n", stbid);
4 g+ \* o4 ^5 M9 K. ?8 Y0 b0 m - 1 _9 d& B$ }( C6 E
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
s% S! _! v$ X- _" [, @0 p - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 _0 Q9 ^1 {. m z { - printf("Input MAC error\n");0 p* z1 y& f9 v2 [" [
- return 1;
: O6 U r" Z5 \2 H: f6 X7 ^ - }
9 {0 J3 p% g9 ]' j* y4 a) t - for (i=0; i<6; i++)mac[i] = macs[i];
" l2 h+ g z; I- F$ B - printf("\nPlease input new STBID: ");) i4 @1 }0 s( r) |/ F' \" Y
- scanf("%s", stbid);
& G3 ^& m3 s0 z" {) H! u3 k y8 L - if (strlen(stbid) != 18) {9 H% Y/ l# P. ~0 J
- printf("Invalid stbid\n");
/ X& m6 {- x( {* A% ^! N1 V: [ - return 1;
- K4 z2 ]$ k% v6 s( Y6 t) `$ g; E - }! G2 u# [0 @0 h1 [( o
- printf("\nNew parameters: \n");
C: t- g! r" w - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 _7 w4 @* [4 {1 l - printf(" STBID: %s\n", stbid);: q; W$ w8 g& R4 I* Q' o
6 l- r" c; y' @/ p- printf("\nDo you want to change paramemters? (y/N) ");& M7 W2 b# Z, Q4 L8 v
- for (;;) {% X2 O5 E# ~ ~1 z
- c = getchar();9 q9 O8 ~/ g, `5 D% G8 D3 H) o
- if (c == 'y' || c == 'Y')9 [# v- i' g9 n0 N: Y& S# l
- break;
' J8 Y/ f: y6 L - if (c == 'n' || c == 'N') {
$ s1 I8 y/ r. I! g - printf("\nAborted.\n");7 I) O& K' y% \4 n+ H0 {7 w' K
- return 1;: A* y S" m9 w" d8 G
- }$ E$ ?1 ~/ I- c- g; B1 p
- }& E- J4 @8 p( V# k& [# I
- if (writeparam(mac, stbid) == 0) ' s& `* b V1 X2 p$ X2 b
- printf("Parameters changed.\n");6 m; \' F8 }, l2 S& w
$ r0 ~1 |( e0 b- return 0;
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