本帖最后由 0522 于 2012-3-21 23:04 编辑
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3 d6 M/ A( n- ^3 x修改的代码早有了。到今天不会编译。
* W$ ]5 l. X7 V& f5 Q$ L需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>9 u, R# i3 ^2 L$ @5 v
- #include <malloc.h>
- S/ }6 M1 [* b: M$ r! V" p - #include <sys/types.h>
+ I2 p1 ~* H( G6 F6 H- q4 I - #include <sys/stat.h>6 ?; a+ ?, M2 B( J H! T2 O
- #include <sys/ioctl.h>
: n) k% _4 z7 g9 v* I - #include <stdio.h>4 h5 G' f' `4 w- m
- #include <string.h>) I ?' m/ b; s2 t9 a
- 0 e* |% h2 K$ M2 k! b& ]% l7 D1 a3 S* s
- typedef struct {5 R, I& r! v5 p/ X8 d) T3 }8 L; U" W
- unsigned int e2prom_cmd_sub_addr;
# V$ x( r4 L, M( F8 H - unsigned int sub_addr_count;
8 r; R4 l, J& z$ K' ~ - unsigned char* e2prom_cmd_data;5 `" q4 m+ k8 u& I7 F1 `
- unsigned int data_count;
# o* _' \- H. [+ ^ - } e2prom_s_cmd;
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9 S: e# Y5 Q3 Z9 g+ i) X- #define E2PROM_CMD_READ 1
" j5 ?+ P* V) |3 m: l - #define E2PROM_CMD_WRITE 2+ n8 o5 J) x$ ?' Z& s) |! ]" {: b
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid), a/ M' G' z- @- q7 W) f
- {
2 u, W, q0 P- N( u( ^ - int fd, ret;% J* A! v, A& @5 \8 |1 I! A
- e2prom_s_cmd arg;
2 [ ~2 c2 A0 D" D1 s" D - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
+ G1 _) ~. ?; r; O+ k7 e0 s - if (fd < 0) {
5 d c! K' V6 ^ - printf("Device %s open error.\n", E2PROM_DEVICE);; U! \* |, Q: C/ ]- i2 ]; E
- return -1;
# w5 q6 V0 ~$ e4 A& { - }
7 Q- F" X f* n' t3 `4 b5 O2 l3 h - arg.sub_addr_count = 2;
# w2 w/ d! v" J% Y' Z @+ S, S7 X5 T! K+ x P - arg.data_count = 0x18;4 Y) L3 |- R, ?- h: i" \6 E* J
- arg.e2prom_cmd_sub_addr = 0x290;+ W/ S q% M- z6 ^; M3 p
- arg.e2prom_cmd_data = buf;) |0 H8 O2 }0 o8 H1 y
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
) f; T7 A' E" g1 N/ c) u7 M - if (ret != 0) {
: k) [6 O# {% A6 T. X+ {! { - printf("Device %s read error.\n", E2PROM_DEVICE);7 s$ t* g. T2 g2 |
- return -1; B, `) E5 Q6 f& T2 G4 }$ R
- }
# e6 d, e8 } Y9 K/ N2 o - memcpy(mac, buf, 6);2 E/ v, T! Y! v# s; e4 l
- memcpy(stbid, &buf[6], 18);
$ f6 r# a: o. ?/ @$ c: z) |( \1 y - stbid[18] = '\0'; H3 ]% J; V& }5 G s! H. c
- & H F( t9 v1 n- L- `( y+ Y
- return 0;
# }. N, X* e) s1 V - }8 l- Q& Q0 `6 s% C+ d+ h
8 G6 I# Q! l! p- U0 F4 D7 ?5 W- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
& |' v3 |5 d0 F0 V2 U( b# i z" q2 z - e2prom_s_cmd arg;
% k- t9 O# p" W9 x- h: m! X7 o! Y - unsigned char buf[0x18];2 w2 m5 N/ f; I
# F; f9 x. b' Q$ L @ u- memcpy(buf, mac, 6);
1 ^2 m& f, u; x! F, w - memcpy(&buf[6], stbid, 18);) N8 Y5 f3 n" Y
- fd = open(E2PROM_DEVICE, O_RDWR);
8 O7 v1 c& c% k - if (fd < 0) {) }$ m7 R/ _/ y; V3 \. u
- printf("Device %s open error.\n", E2PROM_DEVICE);
/ F: X, J1 a# O7 ^ - return -1;
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- arg.sub_addr_count = 2;
8 Z/ K6 }( s; r2 p% V/ h - arg.data_count = 0x18;
9 u i# f8 A9 i- e' z9 E! m5 ^ - arg.e2prom_cmd_sub_addr = 0x290;
9 `. D. Z( e" ?( r5 B ] - arg.e2prom_cmd_data = buf;
- \' Y% n$ a; I5 }$ C$ f7 \ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);5 j) C. o) R6 r
- if (ret != 0) {
3 `6 E& E& ~# M( x) N' R - printf("Device %s write error.\n", E2PROM_DEVICE);
4 r7 W2 u8 G' @; n - return -1;
! h: [1 C6 C+ x6 i8 _ - }
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- return 0;
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O; w0 I! ~; O- int main()
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- char c;' P6 y d I7 ]7 b( v6 p- a& ]
- int i, macs[6];% ^; {7 G. Q2 d" U1 T6 y" v
- unsigned char mac[6];
( H* }: Y% A( G - unsigned char stbid[256];3 e m& U# i& i( O
- : [3 q% J. H* ]% U; z% u9 b
- if (readparam(mac, stbid) < 0)
, S6 D9 ^3 }% |6 M9 ^ - return 1;
- T9 } \5 T/ G/ F5 |6 Q3 g - 1 ^2 ?& v% d" A, x W+ B
- printf("Current parameters: \n");
) C' E) F( J ~ B! D) E* x3 g E - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: }5 O* j2 @( C - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! A* l/ f, y+ J
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& F" @. }. X: L7 D% E$ ~. m* ~ - printf("Input MAC error\n");% U. s& U* h: {" m
- return 1;% E4 w% p5 v; Z/ C9 u' @5 u+ f
- }; ^& T5 R+ I0 Q7 s% B
- for (i=0; i<6; i++)mac[i] = macs[i]; `/ e; V2 e$ n# d! ~; D
- printf("\nPlease input new STBID: ");
% H3 `' R+ g* w( @; C0 `7 N& F - scanf("%s", stbid);- }" L( V$ W+ Q V7 g' K
- if (strlen(stbid) != 18) {
$ P. Z- U4 g* m - printf("Invalid stbid\n");; q$ }" c D: c9 Q- z% q. R
- return 1;
5 S# k, b) w5 I2 h - }
( h9 C% w- Z+ K6 S+ Q - printf("\nNew parameters: \n");
6 U0 e' }& m6 o6 A- w - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 ^8 \8 F1 @/ f6 D! e7 {2 x/ q$ K
- printf(" STBID: %s\n", stbid);
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4 K5 q7 i5 r) m& X- printf("\nDo you want to change paramemters? (y/N) ");
0 b- }; f1 ?' b* w" ~$ _% r# i- |6 x - for (;;) {/ q3 z& m v" R$ o+ h
- c = getchar();7 z* |/ u/ G- A- M( n
- if (c == 'y' || c == 'Y') M& \' Y6 ^6 f u/ L! }# _/ D
- break;* c+ U: x, E9 U
- if (c == 'n' || c == 'N') {
* u, u2 z) X/ \" R o - printf("\nAborted.\n");# c3 ]4 Z T3 {0 S# S4 @
- return 1;
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- }1 l; B7 G0 k& a2 l9 e
- if (writeparam(mac, stbid) == 0) * l' a! X7 ?# O! W7 Y# _4 Y' w
- printf("Parameters changed.\n");
/ w' x. P9 o, {1 f; m - 5 \; p# o- B9 i
- return 0;
0 k$ _& c% H; E) @ O# M9 a6 k - }
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