本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
8 a* T: T$ r9 ^4 ~4 O需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
2 b* D2 z3 ?/ g, A4 U2 y - #include <malloc.h>
* h2 G9 p8 H* t- y% K& c3 Z- w' F - #include <sys/types.h>
" e9 X# J b2 m! E" {0 l - #include <sys/stat.h>
9 t$ _4 `# [4 Z3 ^% Q' q - #include <sys/ioctl.h># Z5 B3 `5 r! R" N& X; J
- #include <stdio.h>& ?3 D0 L, F9 T
- #include <string.h>$ b3 T: s5 }0 [6 w/ A) g+ ?4 f/ q
3 I, O9 `0 w8 x* c8 r- typedef struct {" Z8 X3 r2 [; Z5 i" `0 f' H5 U
- unsigned int e2prom_cmd_sub_addr;
6 m2 ~. r& \4 e; z$ @ s - unsigned int sub_addr_count;& M- O2 x+ o( [! X0 c2 F) a! H2 {
- unsigned char* e2prom_cmd_data;
9 V% \- ^. a8 B) I9 W5 t - unsigned int data_count;! P+ s) N) R- E
- } e2prom_s_cmd;
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) z" T; C2 }; b& s: \1 Z$ i- #define E2PROM_CMD_READ 1: u" e @2 J) J8 w% I+ Q/ _) [& ~" |
- #define E2PROM_CMD_WRITE 2# O9 P* r, t6 u7 E V* ]1 F
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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) F6 _9 P8 ~) n5 G- static int readparam(unsigned char *mac, unsigned char *stbid)9 w. L$ P8 c* t' I! G
- {
- C) v& ~: W, K0 N( l$ \8 Y- I - int fd, ret;( S! [1 E* a/ }) V4 x
- e2prom_s_cmd arg;. u, d7 d' l6 S/ w$ ?+ f2 H7 W
- unsigned char buf[0x18];5 E7 R2 W8 Y3 ^* m) k. S
- ; x/ B7 O8 k4 D' M! I
- fd = open(E2PROM_DEVICE, O_RDWR);4 e, i, }2 L* N0 f/ ~' H: g$ L
- if (fd < 0) {, j4 h+ s( k8 t. Y
- printf("Device %s open error.\n", E2PROM_DEVICE);
# M7 O! z: S5 E. E6 O& V ~ - return -1;6 G8 x% U. h: K# e; h
- }
/ ^- r' o; ^. W% k8 W' B1 j - arg.sub_addr_count = 2;+ D9 g& e* s% x2 A% Y, g
- arg.data_count = 0x18;
5 Z3 o. p3 `, _/ Z8 V) ?( j - arg.e2prom_cmd_sub_addr = 0x290;
- K9 e5 C$ D! F2 `3 [* w/ W - arg.e2prom_cmd_data = buf;9 O, o. L0 `8 G! G I* h }
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
/ x1 `, f7 e& ? - if (ret != 0) {3 r. @+ U! r# ?+ ?! A# c2 f
- printf("Device %s read error.\n", E2PROM_DEVICE);7 u" p) C, e. i5 e$ R
- return -1;2 x& b" f! K+ ]% h- E# G! G
- }2 z7 m) u9 b% S# p* X E( y) X. t
- memcpy(mac, buf, 6);3 |( w& z; a/ ~/ I$ n4 s* e
- memcpy(stbid, &buf[6], 18);8 C/ u( v3 l; N' q8 k
- stbid[18] = '\0';
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- return 0;3 i, Z' t$ K; S1 }/ B' q9 B
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- ; U B a4 }1 L1 ^' i
- static int writeparam(unsigned char *mac, unsigned char *stbid)" E$ M1 f/ g5 M5 }8 h( q4 a& \6 G, L
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- int fd, ret;
# P& U$ }* a. J7 D2 ]. R. n - e2prom_s_cmd arg;1 t( W1 F& l+ Q, E- e! _* k; r6 O
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
7 b* S6 X! C N1 g# E: x - memcpy(&buf[6], stbid, 18);/ X0 H+ @3 J: _3 }7 \! F* Y
- fd = open(E2PROM_DEVICE, O_RDWR);# N- |' O8 X9 c
- if (fd < 0) {$ q9 i Q* ]1 g. ]! [
- printf("Device %s open error.\n", E2PROM_DEVICE);
) P4 P9 A) |* U, o6 A9 y& l; N+ c - return -1;
2 ]& E0 K! ~ ?' `6 k, I( k) P9 l - }+ ~. _; n) E: _% {2 k* Y% y/ I
- arg.sub_addr_count = 2;
" b/ g/ e( q, W% P - arg.data_count = 0x18;
0 E* H* ^+ i. H - arg.e2prom_cmd_sub_addr = 0x290;
2 Z3 H, c" \9 G1 y2 R- z - arg.e2prom_cmd_data = buf;
. Q7 K: r. ] S0 W1 ~ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
) U# c5 Y. t* M5 } i/ a, L2 j - if (ret != 0) {1 H* f) w) x/ Z) d
- printf("Device %s write error.\n", E2PROM_DEVICE);0 k2 ^2 ?4 K/ ?1 z* p: \
- return -1;4 p4 L# m i! i+ E- b8 r
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* i3 q4 \) I% ?' V6 g4 ^5 Y- return 0;
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- i& L8 r1 C9 j/ z3 P/ h- int main()
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- char c;
q' {. {! O! z - int i, macs[6];1 p2 m: ]7 g5 u! Z1 ]
- unsigned char mac[6];$ M* w. f5 v1 |) l
- unsigned char stbid[256]; i; {$ \- Y" v2 R \
- 9 I2 n. j( r+ w- L7 i$ Y
- if (readparam(mac, stbid) < 0)
" |5 x* X0 a% R m2 o7 I - return 1;
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2 B$ U4 ~! |' x3 K2 J. N- printf("Current parameters: \n");
3 W2 w5 k5 i! m: h- h - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 O3 Y# O; b( I
- printf(" STBID: %s\n", stbid);5 k$ |; O& c6 M% N
- - m. x: B% k0 k% k8 y* j
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");& ^/ s, r+ Y9 X3 s
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
! f% c( T: h6 G) p8 v1 t - printf("Input MAC error\n");
' I; _1 H, H- Z - return 1;
! {& C5 u/ F& [, [0 W - }
1 p! ]6 Z4 b# d# C3 { - for (i=0; i<6; i++)mac[i] = macs[i];
* V% m( s! {, d) a* e - printf("\nPlease input new STBID: "); ? [ ~ d: |/ t( r" B! {, [0 r5 j
- scanf("%s", stbid);
, c3 t \2 c9 E; h) d6 g3 c - if (strlen(stbid) != 18) {
2 k% Z7 |; ^* j8 R1 Y - printf("Invalid stbid\n");& t7 x9 B1 Z0 t. Q4 ]8 _$ T
- return 1;, A# C& g' X, u& V' o/ z
- }
; Q, v. v: N: m" C- r8 O( b1 d+ X E - printf("\nNew parameters: \n");" s8 l" T- |5 y u
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 ? b. H, s( k& h+ `) a0 F/ h) x - printf(" STBID: %s\n", stbid);* V8 F" Z) z# a x! D
- / n1 x: H; [! A; S! D+ d
- printf("\nDo you want to change paramemters? (y/N) ");
( ]* C5 g A! B( o h( `8 P) N - for (;;) {9 r, S/ s k: D1 O, }" q( g# c
- c = getchar();
# c. I2 L! t5 P/ o p- `) u \ - if (c == 'y' || c == 'Y')
; H( ], d- A; m8 D6 h0 D$ ^ - break;& z' `5 P* w& W6 Q: y( O# J2 r
- if (c == 'n' || c == 'N') {: s- T6 g# [; E* `7 m
- printf("\nAborted.\n");: O1 p; w0 S5 Z3 Z& C
- return 1;
( r8 R( q: M' d/ Z1 w - }
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- if (writeparam(mac, stbid) == 0) ! @3 H3 ~1 r0 f/ y- k9 M
- printf("Parameters changed.\n");6 B/ _: `5 V+ Q9 j4 t& c) r- J* X" z$ `9 d
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- return 0;/ K9 f" L3 B+ e) }) T
- }
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