本帖最后由 0522 于 2012-3-21 23:04 编辑 + @& W1 s' u, E' }9 A9 y6 A7 y
: E- h! G" a, h# P修改的代码早有了。到今天不会编译。
. M% m" K& u9 A' ~9 I需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
( z- j( |7 F! s- ] - #include <malloc.h>! Q& ^2 a, m e2 [; z8 f; t6 P) v
- #include <sys/types.h>$ R* i z5 V& y$ P
- #include <sys/stat.h>8 b4 h' f+ n6 c& Z! R; E
- #include <sys/ioctl.h>
5 p0 ~, P1 x6 Q6 m - #include <stdio.h>
) p% {& s" o9 s+ J - #include <string.h>
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& L" Z. g; k2 r1 ~, m: x- typedef struct {- d0 l" p. `5 a0 X* r
- unsigned int e2prom_cmd_sub_addr;5 v' r; E1 Z" y; H) y
- unsigned int sub_addr_count;
: @2 e0 X2 u% H- c - unsigned char* e2prom_cmd_data;
, A: T/ E( h$ b" e) v2 Z - unsigned int data_count;- `; S) y/ E* j( u8 E, w
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 15 z5 ^2 T/ b+ r
- #define E2PROM_CMD_WRITE 2
" {, D' O% V w4 @ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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4 _- z- H" U1 h( L( B/ K1 v; F, {- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;7 G; L1 k% q1 W g6 }4 e7 G
- e2prom_s_cmd arg;3 p4 I" q- `8 |% T
- unsigned char buf[0x18];, P6 V7 x H' a! i- y$ B
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- fd = open(E2PROM_DEVICE, O_RDWR);
* I8 e6 ?' e8 o5 i - if (fd < 0) {
# h$ W$ m4 I8 j9 T$ R# T2 z' S2 y' e* f - printf("Device %s open error.\n", E2PROM_DEVICE);0 B; i1 a& _4 N1 J* a& J. t
- return -1;
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- arg.sub_addr_count = 2;
2 f, r ^' k7 X! v - arg.data_count = 0x18;) a: q9 Z5 h0 Y& Z. @- y
- arg.e2prom_cmd_sub_addr = 0x290;
& C" E( h6 K, i, r( y9 i - arg.e2prom_cmd_data = buf;; Q. M2 `/ G3 |. P9 Y
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);4 i5 q0 S8 H& q+ C9 E
- if (ret != 0) {2 u2 B( g0 X9 X$ C( e. V- n
- printf("Device %s read error.\n", E2PROM_DEVICE);
; P0 ?3 i5 G( }/ N' g - return -1;* V! T8 P: ]# G+ \+ H# M( V1 B2 g9 U+ j
- }
3 M: v( F3 r% N: ] - memcpy(mac, buf, 6);# V8 L. W& m* f1 m0 X* j5 v
- memcpy(stbid, &buf[6], 18);& q5 X. t3 q% p5 r; m
- stbid[18] = '\0';
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1 Y3 i7 n7 A, _; F, p- return 0;1 f. |+ y9 S) i1 N( D! q2 \
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- * G0 M; O) X0 C9 ~
- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 ]: X# m, J, j - {
) F* y- P$ F& F5 G$ z - int fd, ret;0 f; [7 [. A; g7 q+ I& W
- e2prom_s_cmd arg;3 i; F: I! y/ L8 m4 i, |
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
) K, v* n! S" e3 s. U - memcpy(&buf[6], stbid, 18);7 z. b7 O' H& d
- fd = open(E2PROM_DEVICE, O_RDWR);
o& c/ U' O" i6 }9 P7 @ - if (fd < 0) {
% ~3 B, x, B8 x+ w7 q; S - printf("Device %s open error.\n", E2PROM_DEVICE);5 c( t0 S4 h. T# ]' M, S2 ~6 p
- return -1;
1 Q# H3 D2 f" F Z: y - }
. O# C, \ p% m+ I5 B' l0 c - arg.sub_addr_count = 2;
h1 s+ J, I/ G" O, b - arg.data_count = 0x18;
) O3 i5 @7 k7 h& P - arg.e2prom_cmd_sub_addr = 0x290;" I& s4 z* T2 Y( W& @1 @" N
- arg.e2prom_cmd_data = buf;+ w, K3 A2 i8 t0 S7 T0 [4 {
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
- t( c% c. c4 W2 k2 W& a - if (ret != 0) {
/ A0 L0 E1 q& P5 Z0 l! z3 e, q - printf("Device %s write error.\n", E2PROM_DEVICE);
* W: _0 M1 G5 V3 p% Q0 f+ W- I4 Y6 ` - return -1;6 l. F+ \5 B! y! w$ k
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- return 0; ]) n# c7 z, z) e K+ d0 E7 z) b
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9 s e% Y- D' S3 |3 I- int main()
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- char c;2 {0 ?7 ~/ Y' p) m, y+ Z
- int i, macs[6];+ Y: y9 o4 D% a$ y: T/ k4 t
- unsigned char mac[6];
% d0 d; g, F" c- H' u - unsigned char stbid[256];% p8 Y6 v* [9 c0 S
- 6 n- e. T' t: C! ]# o
- if (readparam(mac, stbid) < 0)) w; ~" `$ p9 w: U+ y
- return 1;
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3 X9 A& C s6 G+ \- printf("Current parameters: \n");
7 j: V* P2 L- H. M- ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. ]/ @: a+ s" T! {/ I9 K
- printf(" STBID: %s\n", stbid);& [6 [/ l6 E2 Q* W% M* L
- ! c5 D' e8 t. q$ b2 R0 b! d; Q5 ~
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% M$ ?' a! [0 ^2 X' E& _, m) g1 W
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {% ^- F. v/ L1 @# p B# q
- printf("Input MAC error\n");
7 L9 Y# E5 R; h5 X5 t4 Z' ^ - return 1;
+ N8 m/ s' ]0 W8 ?& ~* z: T - }
+ ? g: j3 ~& c8 g - for (i=0; i<6; i++)mac[i] = macs[i];
/ I7 a, | @! m- w - printf("\nPlease input new STBID: ");% y' ^" h2 P4 p' |
- scanf("%s", stbid);
0 `5 k6 ^7 m3 j7 z- d8 ^ - if (strlen(stbid) != 18) {2 W+ t5 f2 d; L' Y4 f) W
- printf("Invalid stbid\n");: B7 T& c. t B, @
- return 1;+ G; y+ c- N0 ^
- }
" ]$ P& V E6 M" ?2 s - printf("\nNew parameters: \n");
0 z# v& E% [2 @; I# ]: Z% m - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
h0 j! _: w3 I! V5 m& D - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
+ a* \+ y. W9 p) o6 c- Q - for (;;) {8 S7 A9 ~3 q# _
- c = getchar();/ F3 C; x1 C2 g' f
- if (c == 'y' || c == 'Y')
! ^9 k1 m8 {( ?. @: k - break;* `! o- K) r6 M' J, \
- if (c == 'n' || c == 'N') {) I! i* ]) m' B$ s
- printf("\nAborted.\n");
) A e- x$ K, I - return 1;
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- }; p! K4 R6 L. M$ J7 l
- if (writeparam(mac, stbid) == 0) / }1 X9 t# x, l% r
- printf("Parameters changed.\n"); Y' ~7 h: R( j1 h( T8 V
2 k% @% r) z+ V5 H( S- return 0;
6 t0 x* U. e! F8 Z - }
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