本帖最后由 0522 于 2012-3-21 23:04 编辑 ! D) j( K4 ]/ p2 m
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修改的代码早有了。到今天不会编译。
! x9 C: V# |2 t( d" a" F需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
: x$ i" l+ v$ x2 G8 v - #include <malloc.h>
7 u7 P3 W& c% i0 J - #include <sys/types.h>
& L# u/ z2 X$ q, J1 }' Z8 f - #include <sys/stat.h>
1 @" S+ \" E; Q; i5 w9 |$ Z/ H - #include <sys/ioctl.h>" I6 A6 a) p: V8 a* r
- #include <stdio.h>9 R9 t* z# D( O: K* B
- #include <string.h>
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- typedef struct {
3 K( m, C$ q0 o2 J/ J/ J( Y - unsigned int e2prom_cmd_sub_addr;
( Y, ?# P. ~, ~% N; ~; x( ]. D5 Y - unsigned int sub_addr_count;; \, ~. {& Z; q+ L
- unsigned char* e2prom_cmd_data;) c( w v. ?$ ^, v1 z+ L
- unsigned int data_count;, f% l0 u" M" y, r: X, M+ Y
- } e2prom_s_cmd;' `( w% k3 |: p
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- #define E2PROM_CMD_READ 1
Q2 m6 g f7 `+ X# { - #define E2PROM_CMD_WRITE 2
6 w. f) m3 A% H+ Q: V0 B5 h - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;5 y, z; A2 {0 _: y# B2 l4 t
- e2prom_s_cmd arg;
, n) ?+ |* ~4 y$ | - unsigned char buf[0x18];
# Q1 f2 x/ N: c; Y5 }! L- X2 ^6 {
+ T% a4 E/ ^$ ?. W9 a; i! C- j7 j- fd = open(E2PROM_DEVICE, O_RDWR);$ r- C4 g& V; }2 b" K `
- if (fd < 0) {+ }) @' M1 _ u
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ S9 c8 o/ M( O - return -1;* e. b. @/ J, s/ V
- }; @" Q9 s) Y% l# Z
- arg.sub_addr_count = 2;
4 P, {. l3 N6 x9 {+ a( Y: I - arg.data_count = 0x18;% r9 p# _( P" `/ _4 \$ P2 x% Y5 c( `& b
- arg.e2prom_cmd_sub_addr = 0x290;" g- v& }) [. J
- arg.e2prom_cmd_data = buf;
( f8 Y' M6 d" h# y" A" c - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
& [" Q+ e' c+ Y) A; h) T3 O% p9 ` - if (ret != 0) {5 T1 ?" y& k2 i R" B
- printf("Device %s read error.\n", E2PROM_DEVICE);
* a! }$ d% x; x5 i - return -1;' W* I: V1 M ^8 o* B( N4 }9 @
- }: C! R( f/ T! c
- memcpy(mac, buf, 6);
4 l {7 F: ~. q: I7 G' l! f - memcpy(stbid, &buf[6], 18);0 M) `8 n# l' g! D% ~
- stbid[18] = '\0';# B- k: w- e K5 Y$ Q& X# D
- + P9 E7 I% Q8 d+ T! d- {! U3 J
- return 0;" s4 ?# L9 N/ R% v) i! a
- }1 g$ k2 i6 T/ G" d) w5 t
- $ L" q- Q. S; M! o' `/ x
- static int writeparam(unsigned char *mac, unsigned char *stbid)
' ~" O8 V: V! U/ z9 w5 L - {
8 ?: g& {) ^7 U. K; k0 r - int fd, ret;
, q; _, y1 i! @/ N0 n$ h" h9 H - e2prom_s_cmd arg;
: D% _- I% ~/ K/ I5 t0 R' f' ? - unsigned char buf[0x18];- Q8 Y9 V5 @: M; \
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- memcpy(buf, mac, 6);
+ W, _1 E9 @6 N4 ~8 M8 L- N. n. T - memcpy(&buf[6], stbid, 18);
" q7 V2 V$ E4 @" T4 ? - fd = open(E2PROM_DEVICE, O_RDWR);
) E/ H/ P! T# M% N# k9 D - if (fd < 0) {
2 G3 l0 z3 r* r0 v8 ^ - printf("Device %s open error.\n", E2PROM_DEVICE);
) C7 E k! {3 S# N6 G - return -1;
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- arg.sub_addr_count = 2;: R2 I+ ~8 [1 n8 N0 H3 J
- arg.data_count = 0x18;
7 i) t' ~" w$ o$ v - arg.e2prom_cmd_sub_addr = 0x290;6 w: i8 D' ~/ Y, B# V) X
- arg.e2prom_cmd_data = buf;1 t% N$ [4 h/ E/ Y" Y8 c1 A+ C6 h
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" D. g' C1 j }2 u, b3 @+ w$ ?
- if (ret != 0) {: p7 i! A- G) m6 |
- printf("Device %s write error.\n", E2PROM_DEVICE);
2 [* |( s3 z, Z- y0 r - return -1;( J6 ^; w: V6 O, ^* ^
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- 5 i* ^6 X. B# E8 F" ?9 ]
- return 0;
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, C1 l2 N j$ p- ^+ f( L, k4 e/ |' R- int main()
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- char c;8 m! J& f. j* C4 W3 D
- int i, macs[6];
5 `4 W6 R+ `" b9 P - unsigned char mac[6];; ]* {% F% D& |$ T7 R
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
) V0 ], k& B6 t* B. s! c - return 1;
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- printf("Current parameters: \n");/ S8 O. C* |" Q( e. ]
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- F( E% `8 v3 y- K& l - printf(" STBID: %s\n", stbid);" o3 m# K* w7 N& P3 i
-
4 N- e. J9 z# Y1 V - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
! X1 ]6 \2 r& ~ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {7 D0 g1 D! I# [+ y& x+ M* U, ]
- printf("Input MAC error\n");
8 I9 d5 S% A0 B5 [ } - return 1; i! v9 O. w2 t! u8 ?
- }
! [1 T/ H2 h, P/ S; T - for (i=0; i<6; i++)mac[i] = macs[i];$ L/ A3 M% z B. T8 V
- printf("\nPlease input new STBID: ");* R8 a6 u2 ?$ D5 w* o; G0 Z2 _! T$ W
- scanf("%s", stbid);- M' p- k$ U' C& b$ @
- if (strlen(stbid) != 18) {
! h Q% i! q/ J! q. B; t- n - printf("Invalid stbid\n");
- I! e- W( q% P - return 1;6 g5 U1 m7 a. t3 p4 K# \* Q
- }( A) k. e! g0 b
- printf("\nNew parameters: \n");
* n" V, J+ m* [5 O D' W - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# }6 s: R/ M- q$ H7 F" u7 P
- printf(" STBID: %s\n", stbid);
% A1 U8 u! ?+ q; e. `) x+ ?
' I5 D" k8 P" T/ G5 a; |& B- printf("\nDo you want to change paramemters? (y/N) "); H7 ~7 \2 Q0 L3 M
- for (;;) {8 J o- k9 d L3 g8 W
- c = getchar();
1 d8 H" a7 J" K1 }: N7 z! i1 ] - if (c == 'y' || c == 'Y')
0 t+ A$ B1 L0 E2 f0 C: z - break;* X1 q5 K0 I! A/ U8 F0 {; U+ G
- if (c == 'n' || c == 'N') {& o0 C& ^ g* ]: i( b
- printf("\nAborted.\n");
0 R& I' `; M7 Y, W0 R" F8 I- R - return 1;
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- if (writeparam(mac, stbid) == 0)
. i% T/ X; u+ |( L) {' V2 s - printf("Parameters changed.\n");, D9 n4 M! \$ ?% M; a- o
5 c, t- n- [* H A& m- return 0;
! V Y% N# b8 k8 n' S! ?' d& w - }
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