本帖最后由 0522 于 2012-3-21 23:04 编辑
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! x3 y6 i- {- I修改的代码早有了。到今天不会编译。( U3 i7 X. \" o, f
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
' {) ?/ n. d4 m2 M. d - #include <malloc.h># l9 {. ^# d0 B6 F6 ^6 x0 s( ?
- #include <sys/types.h>
0 L$ `; w6 d/ _( U - #include <sys/stat.h>) A- i. b' ^+ e: Q4 } g
- #include <sys/ioctl.h>5 f/ G, _2 O5 M. J8 v+ z2 X6 u
- #include <stdio.h>' ]6 r- |9 h2 e/ e% N
- #include <string.h>: { b% h! T5 j5 a
6 k' J& p9 S8 R( t- typedef struct {
t5 n& V% S9 h5 U" n - unsigned int e2prom_cmd_sub_addr;2 {9 R$ U& a( N# Y0 f: e- Y
- unsigned int sub_addr_count;+ S; ]; J2 b& q/ a
- unsigned char* e2prom_cmd_data;
2 k, H5 e1 V2 I* s6 j - unsigned int data_count;3 n- r1 F) C8 f, `6 `0 Z
- } e2prom_s_cmd;; R0 L" S% {" }; r6 j1 z
7 f0 z# C- t/ k U% D ^7 U- #define E2PROM_CMD_READ 1
% ]. q: f/ Y7 F1 `; U" d - #define E2PROM_CMD_WRITE 2- V7 l9 U6 U, a* j. {5 {6 J
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"& i4 S! H9 O/ _% r
! a" N- Y6 L; V5 b- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
% M" Q6 z( t( V+ M - e2prom_s_cmd arg;
9 v; H: t+ X# {" O; p - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
% x" O$ h7 ]5 `( z$ ] - if (fd < 0) {2 j% E1 R. I' N# S! L( S6 P3 M
- printf("Device %s open error.\n", E2PROM_DEVICE);. e6 L* V+ L6 y4 s
- return -1;& U3 B: d* R/ M/ v/ ?. F
- }8 j7 Q, x* e: T o5 w# z; Y/ q
- arg.sub_addr_count = 2;8 i$ k- Z9 b( D
- arg.data_count = 0x18;/ W( s, ~0 Y) S, t$ t6 j+ C( [
- arg.e2prom_cmd_sub_addr = 0x290;
: v. I3 F7 z4 f - arg.e2prom_cmd_data = buf;6 q; ]9 Q; \' ]2 E- z0 |
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);1 \6 v+ Z. F3 F/ J
- if (ret != 0) {
0 f: y' \ I( S - printf("Device %s read error.\n", E2PROM_DEVICE);
& y5 ~0 J T) Q0 n2 o - return -1;, w. |% t* q( j1 d
- }
+ v2 K- S7 b W - memcpy(mac, buf, 6);) x; {$ b7 B: G5 N) `. l# o ?
- memcpy(stbid, &buf[6], 18);
3 V% c! Y! @1 x+ v8 V9 Q' [ - stbid[18] = '\0';
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- return 0;& N) D+ @* L2 d9 J2 c5 Q
- }% B: B% W- R. N
4 C& h5 {6 ~1 w1 z+ v- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;7 j. O; C* E# k" \) a# i# u
- e2prom_s_cmd arg;
8 `& e& T/ u, D2 G5 E - unsigned char buf[0x18];
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7 Q, E2 H( n. P W$ f' H7 z- memcpy(buf, mac, 6);
5 ^7 z6 \5 B4 y- v6 V2 ~2 V) C - memcpy(&buf[6], stbid, 18);
) s8 N. ~5 ~0 }$ C! A - fd = open(E2PROM_DEVICE, O_RDWR);( h! V! \1 Q/ h' C0 R/ a5 f7 `
- if (fd < 0) {
- t+ H( z+ s& i" P5 }% L - printf("Device %s open error.\n", E2PROM_DEVICE);
0 L4 @" S+ t& p" Q; V - return -1;5 u' G. s: ]# c. F
- }
, V, n A$ ^6 t3 Y - arg.sub_addr_count = 2;" S7 Y4 S- v; C l5 p
- arg.data_count = 0x18;4 j8 ?3 r/ q* V# q: u2 {9 M( J
- arg.e2prom_cmd_sub_addr = 0x290;
0 Y( u9 b: L: C, m+ d, q9 ]7 t - arg.e2prom_cmd_data = buf;
8 e* w ?1 n {$ F1 K - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
( H! R Q! H$ u; f: { - if (ret != 0) {! g! W4 `; h9 C3 ^
- printf("Device %s write error.\n", E2PROM_DEVICE);
+ [# l3 n$ a4 h2 q/ G - return -1; Q) G- o2 N" Y7 ^8 `8 D& h
- }
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- return 0;0 K% l5 J7 U* D/ x1 D2 R+ A& o
- }
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: Y4 z) S, I$ q' v( Q, c: O- int main()
+ u) E7 R( ~: L% b$ G( L( C - {
. r# [' X. f. h7 k5 x* ~% T - char c;+ C) s9 h% }1 T4 p* a" W, j$ ~
- int i, macs[6];
; F; m6 c- n& I7 N( A' i8 q - unsigned char mac[6];
/ n. L! J$ ?# [% T. |" [ - unsigned char stbid[256];" k" e# o% M# T; _# R
9 l( J+ b& O; p( m- if (readparam(mac, stbid) < 0)" y- E/ d0 [; }! L: J B; M& O( ]0 l
- return 1;
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- printf("Current parameters: \n");
) f( ~$ E$ y7 m) U# F$ X, K4 f- b6 X - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 @ B7 \4 U. m, U+ a) r: P8 V! |/ d - printf(" STBID: %s\n", stbid);
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3 ~* x; ]7 a+ X/ I! D3 V - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");' [8 {$ I+ X+ \& d
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {( r! a( ^( @/ m( u
- printf("Input MAC error\n");" I; J$ r! l, \$ t$ A
- return 1;1 Y4 q9 V) t. z) v- L: P- g C
- }$ d% U, z5 o9 `9 q0 E/ q$ q! b
- for (i=0; i<6; i++)mac[i] = macs[i];
( A6 y$ x2 Q& x1 \! i - printf("\nPlease input new STBID: ");7 R9 i4 }5 ^9 U* I1 l! I
- scanf("%s", stbid);
( k& Y ?5 U. f1 U% d4 R - if (strlen(stbid) != 18) {
& n# }# ^ ^! U" L9 v - printf("Invalid stbid\n");
, e$ c4 i1 K. N, k/ x - return 1;- e v4 o/ w" T- `. z/ ^- `
- }2 q( M! [; H- {
- printf("\nNew parameters: \n");" a# C$ V. C1 P! w- P
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# n/ P( j( w: z* B
- printf(" STBID: %s\n", stbid);6 J" [7 c& C( R/ g
6 O7 O: A. E8 _ t. z- printf("\nDo you want to change paramemters? (y/N) ");
# D, H+ P; u ~! g- x9 g! Y) x - for (;;) {& d4 U+ h9 S0 \# t
- c = getchar();
- n8 C: x3 B6 [9 L7 l$ J W5 Q. x - if (c == 'y' || c == 'Y')
0 m$ K# q# c5 ]' [$ Y - break;& j w2 m9 M r
- if (c == 'n' || c == 'N') {
; b/ U, W2 {; F( \5 K - printf("\nAborted.\n");
1 P0 h9 H, m, v2 ?. y - return 1;
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- }
5 \7 N" _7 ~9 s8 \4 p - if (writeparam(mac, stbid) == 0) " q9 |( N) W' C" D! }, h" t1 c
- printf("Parameters changed.\n");0 H5 g* o/ c9 b, `5 }% p2 o& n/ \% P
- 0 D9 G; @6 L- V: w6 ]
- return 0;
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