本帖最后由 0522 于 2012-3-21 23:04 编辑
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$ J; I/ H* G% w2 V& Y修改的代码早有了。到今天不会编译。
4 J1 L/ e3 t8 r9 j0 Y9 J需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> \( B+ q) u+ M H* _. n
- #include <malloc.h>
$ a+ x. T! B5 C9 g$ _9 ~2 M0 x - #include <sys/types.h>
# ~& D }( D9 {: a - #include <sys/stat.h>
6 N- e7 E$ y* W - #include <sys/ioctl.h>
$ ^3 I/ l T& `% ]! u! L3 M - #include <stdio.h>
: F& b0 ?; ]' C0 _- i# y& p1 k' Q - #include <string.h>
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- typedef struct {( v! }8 l" r% m
- unsigned int e2prom_cmd_sub_addr;, G+ l3 b- G3 o# Z, O- R9 p6 G
- unsigned int sub_addr_count;
# s5 D# B7 u1 U+ X/ F0 O - unsigned char* e2prom_cmd_data;
; |! S4 C' ^9 e. h. H - unsigned int data_count;; z2 W3 U8 G3 o/ a, J/ H/ u
- } e2prom_s_cmd;) ^6 D3 N+ a d/ P; k
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- #define E2PROM_CMD_READ 13 I1 V1 ]6 w( G- G: \/ t
- #define E2PROM_CMD_WRITE 2
5 p0 i1 M$ B* n* s+ \ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 E* v: n* ^% h! ~# r1 ~$ H' S; {
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- static int readparam(unsigned char *mac, unsigned char *stbid); V) v0 q, R1 y, ~# }0 U
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- int fd, ret;8 l) P# }8 B$ B
- e2prom_s_cmd arg;
& s* j" C* u3 w; p - unsigned char buf[0x18];) _2 u: T2 L# P. D$ T
8 P, V+ o0 n4 Z. b( R8 U- fd = open(E2PROM_DEVICE, O_RDWR);
8 E9 B% f! M0 E6 g U& R" _) M - if (fd < 0) {
$ R2 G. r' H$ y! r6 l3 V4 Z - printf("Device %s open error.\n", E2PROM_DEVICE);6 ^3 P( f8 p: {! }
- return -1;& y1 X" h: K5 l; L* t6 y, j
- }
' W6 }4 `) c/ m \! a8 h y" J - arg.sub_addr_count = 2;
5 E% i4 g, u( a+ Y/ \1 d) M - arg.data_count = 0x18;. X+ l0 Q% I! V
- arg.e2prom_cmd_sub_addr = 0x290;. I5 z9 E1 a# y) r/ V6 `
- arg.e2prom_cmd_data = buf;
4 J$ H; g$ E3 H/ h! N( q) i7 B - ret = ioctl(fd, E2PROM_CMD_READ, &arg);& }: y0 n2 R1 _$ v z6 I
- if (ret != 0) {! b5 J5 X( ~* n: J! }
- printf("Device %s read error.\n", E2PROM_DEVICE);
5 W/ P# g& w/ j r- q! s9 h# s - return -1;
4 B' n& U9 L* [* f - }
2 A: J* e5 [* i$ }' C+ B y0 H7 e - memcpy(mac, buf, 6);
2 |: x! v4 y; V/ u" I, d6 l6 n5 o - memcpy(stbid, &buf[6], 18);0 b" r t; t& ]3 R* i% O9 a5 k
- stbid[18] = '\0';5 K( R; I" F. X9 @
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- return 0;
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9 l# a! Y; Y" @( u: B- static int writeparam(unsigned char *mac, unsigned char *stbid)
4 N z( i* V; D) N! T9 v! B/ g - {
4 D0 A1 X! ~ |. n1 O6 r4 \# M - int fd, ret;
- X5 s( A" E, M$ W- p5 A# c5 q - e2prom_s_cmd arg;. j( y; ~$ B1 X L( F0 W0 `
- unsigned char buf[0x18];
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% Z$ b2 Z3 n7 R/ g- memcpy(buf, mac, 6);" k1 ?8 C; i, J! R% W$ r! A) ?
- memcpy(&buf[6], stbid, 18);3 L: h. h, c& }0 h( t, E! o
- fd = open(E2PROM_DEVICE, O_RDWR);
( m; u* Z! @+ ~ - if (fd < 0) { Q: z/ t' S$ q' |4 K
- printf("Device %s open error.\n", E2PROM_DEVICE);
. u8 j9 t) ]+ {1 \6 u* _5 \; x% x9 Q; u1 W; j - return -1;% k! N' r# k3 [+ B: V ~
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- arg.sub_addr_count = 2;7 Y2 a& g; A0 Y, @' N
- arg.data_count = 0x18;4 ]7 q- ^/ [& l$ G3 I, s1 S
- arg.e2prom_cmd_sub_addr = 0x290;+ w2 G @2 T) \" N; P) a; p8 F
- arg.e2prom_cmd_data = buf;6 S! g8 v* p$ i: ^$ y7 t' `" F
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);7 m, @ P) \0 u, X( c; p1 w3 d; n
- if (ret != 0) {
! n, F/ Q& L' P( z, z( F% u - printf("Device %s write error.\n", E2PROM_DEVICE);
# v. u$ Z: r6 \$ _, S% X/ H - return -1;
/ u3 ]' L; B, b+ B3 Z6 W' W - }
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- return 0;
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- * m" _* ?2 X+ w1 L+ x: \- \
- int main()
! G+ Q0 w$ \1 M, s$ R0 ^- L6 E7 e - {
4 q, b8 y; R, X - char c;# i: _4 }4 ^& `2 p8 M- ?& N% n5 k
- int i, macs[6];5 O% y, N, v6 F: L6 {' F" l
- unsigned char mac[6];5 K! _( J& b0 W \# R6 o" {
- unsigned char stbid[256];4 G* a/ d* }- f9 _& y i" f/ C
$ N5 @. z5 s7 Q. R0 F+ S" y- if (readparam(mac, stbid) < 0)* O! A0 k' G- l( u
- return 1;
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9 Y' _+ H. k2 ^& ^6 c- printf("Current parameters: \n");2 v: j+ A& X; @3 ^) k7 C' h
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 n0 {6 p8 B3 L# B
- printf(" STBID: %s\n", stbid);
5 y, L1 ?; U- S$ h/ ]* t/ D. a' [ - # ~/ a6 c$ C' @. `
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");/ J$ `$ c m. }6 i; \
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {' X4 J9 c, r3 \/ g% t+ Q) a# l" p
- printf("Input MAC error\n");
" b Q4 {( W4 B: B4 l - return 1;) g/ l; i9 n; |$ P7 N
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- for (i=0; i<6; i++)mac[i] = macs[i];
2 M1 }: k1 q8 R( S! t - printf("\nPlease input new STBID: ");
o1 z+ S7 ~! |0 O6 k - scanf("%s", stbid);
* B0 g$ w! ~+ i9 M& \& U - if (strlen(stbid) != 18) {! C) s) V% Y4 D6 A
- printf("Invalid stbid\n");/ ?$ H4 v# m5 g' E1 ~% e
- return 1;2 g; E+ @4 z0 c* b
- }( b4 R, ]0 G: a. S6 c& G r
- printf("\nNew parameters: \n");
) V: F0 L: h, f2 t$ K# } - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* |0 l) ]4 G1 w5 I - printf(" STBID: %s\n", stbid);
% O! h6 }8 l4 M3 x5 U - R( ~: H/ {1 w. Z2 c. w6 J
- printf("\nDo you want to change paramemters? (y/N) ");2 ^" m# y P* R
- for (;;) {+ f2 X% R# |. s5 E* T$ L) D/ z
- c = getchar();
6 S$ m: b' A/ M9 V. Z' A7 u& [ f - if (c == 'y' || c == 'Y')
, S' _$ s" M5 v8 y. p. c) y - break;! K/ _, k7 s/ n% P4 n
- if (c == 'n' || c == 'N') {" G' O9 r( {) o0 n% {3 y
- printf("\nAborted.\n");
: [6 p0 ~) W4 \$ B% L$ ~ - return 1;
' M9 w+ [# q# u% m) C! Z/ i1 |2 x - }
$ @) e) k) k3 O' N4 v% y6 b3 u' e' ^ - }
9 o! i! _& H, m0 J! p' z% G# c - if (writeparam(mac, stbid) == 0)
+ s: c6 c3 b1 b5 ~8 |8 T4 r) `5 \9 m - printf("Parameters changed.\n");1 a$ m+ d6 h' l4 Q/ K: w; p o q+ A
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- return 0;! t/ k. F9 j8 i4 X6 ]# p
- }
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