本帖最后由 0522 于 2012-3-21 23:04 编辑
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Q5 _2 L, P; {/ L; l. Q" M修改的代码早有了。到今天不会编译。( F2 N0 m" m5 Y: i
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' H; E3 g5 k9 L3 Z8 N
- #include <malloc.h>
9 |& h2 v9 L9 O& s+ o, n - #include <sys/types.h>$ G1 h% \& a9 ~
- #include <sys/stat.h>
4 a6 I( R/ k' v8 `9 N% d& L! u - #include <sys/ioctl.h>2 s! S) m7 R5 p3 X7 R5 I) f
- #include <stdio.h>4 S0 g t" J3 f5 F& {
- #include <string.h> M q7 ?& n/ N9 p0 F# b2 E
6 R. U( @7 P1 p& H- typedef struct {
# P; h: C: y S8 l - unsigned int e2prom_cmd_sub_addr;
# M6 I3 |1 O/ `& k$ \4 @8 M1 h; z - unsigned int sub_addr_count;
0 L) x% c7 f" m6 Y - unsigned char* e2prom_cmd_data;
6 O! ?& p' b0 l - unsigned int data_count;
! [. p/ r! n4 G- j( y6 s+ i5 g - } e2prom_s_cmd;
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; H) J7 ^( M- p8 ^- #define E2PROM_CMD_READ 13 |6 D; C, y$ g, s8 J
- #define E2PROM_CMD_WRITE 2
! n( _; I: @- t0 c. e2 K! W+ R - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- w! B- h+ c: H- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
9 f9 N o& u2 `4 H# k" H! [ - e2prom_s_cmd arg;
! ]; _2 v g; G4 ]1 ^ j# [* z! ~ - unsigned char buf[0x18];1 r1 l% j9 z- U- ?
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- fd = open(E2PROM_DEVICE, O_RDWR);
& m, R9 d' O0 S. h' M- B - if (fd < 0) {
3 H2 g: D) N2 A7 M9 t - printf("Device %s open error.\n", E2PROM_DEVICE);
# `3 q3 c6 W, @* T4 F$ L; Q - return -1;
; ^& a7 M. M% s - }
: ?( [0 r K' R& z - arg.sub_addr_count = 2;+ g3 \: P' ^5 c: G( M1 D7 a
- arg.data_count = 0x18;6 f+ g; ?& f- l7 J
- arg.e2prom_cmd_sub_addr = 0x290;6 v3 t3 A4 W8 L' C' T# R" i1 R/ I( w! q( W
- arg.e2prom_cmd_data = buf;9 z& X3 m1 e6 r) v: t
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);" T' C3 D1 z6 X6 _
- if (ret != 0) {6 Y4 g# o$ W q2 v+ s3 n, g! ?
- printf("Device %s read error.\n", E2PROM_DEVICE);
; \ h) H2 G+ x- `9 T" E - return -1;
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- memcpy(mac, buf, 6);
% [' j6 p7 f6 x& u; M - memcpy(stbid, &buf[6], 18);
* | N9 c {" ~. a - stbid[18] = '\0';0 i! T, Q$ A# M1 c& d
! s$ o; L/ b6 w/ y2 Z7 w- return 0;
& c8 F; _4 ~ V) v1 I8 [ - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)9 _5 {7 a( N+ n" s% k
- {
) o8 p7 R7 g! P0 S; y6 i - int fd, ret;3 N! P* [+ J' S2 l
- e2prom_s_cmd arg;
5 t/ J# A" }7 l+ s; t4 o( ~) i I - unsigned char buf[0x18];0 z# M. t) U1 M& H: O5 n
- & o5 Z( A* y% j; I" i
- memcpy(buf, mac, 6);
! s/ @) Z7 {: t S6 s+ r2 v h - memcpy(&buf[6], stbid, 18);4 w, c7 z. G) x9 H
- fd = open(E2PROM_DEVICE, O_RDWR);
0 C8 g6 U# a7 f! ^) M - if (fd < 0) {
6 Q4 l/ \) H/ y+ Z - printf("Device %s open error.\n", E2PROM_DEVICE);
4 {/ z$ P8 u6 z( v9 f - return -1;
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- arg.sub_addr_count = 2;
: J# v# a8 L+ L2 V+ u - arg.data_count = 0x18;
8 v1 L9 H$ t# X0 ~% j7 i - arg.e2prom_cmd_sub_addr = 0x290;
+ s5 I) U) K* F - arg.e2prom_cmd_data = buf;; |& D% \7 g3 _/ Z9 U7 t4 s
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);8 T. R/ ]3 l& |$ d
- if (ret != 0) {
( x& o0 s5 y) ~5 H4 g( ~7 @ - printf("Device %s write error.\n", E2PROM_DEVICE);+ j0 Y9 x( s) X1 d* Z! f
- return -1;
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- return 0;
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3 e& F9 ~$ I+ z, z4 ^! ^/ I3 H- int main(), n* }7 Q# _2 \) M* a+ d" l
- {
1 \' [* K3 M6 ^9 k - char c;$ z$ s; U; e: E& {4 s
- int i, macs[6];. P4 P- D. O$ R: S& H8 c
- unsigned char mac[6];3 I9 i+ U4 n6 H+ p9 ]
- unsigned char stbid[256];. i2 c2 W" _5 U+ Z% j
- 1 z8 m, F& Z$ p; \4 [( K
- if (readparam(mac, stbid) < 0)
5 V0 [' y# c# T - return 1;
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+ w3 b1 A6 A# ?7 _- printf("Current parameters: \n");
+ `8 b0 K/ l1 ^ [9 e9 @/ }7 m - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' v; {6 l( N* f9 Z: T$ T1 K
- printf(" STBID: %s\n", stbid);
e- [% ?9 W2 Q Z5 y1 F# K' k4 c -
, H0 p6 G9 @9 r/ ` - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");6 o4 n5 b) t4 ]; a$ a# x
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
4 {; G, z, e+ ] - printf("Input MAC error\n");
2 @% D9 m1 T: M* J; h - return 1;& t$ O3 h* j2 }$ @4 o
- }
0 B( L$ x2 }; `) U( ] - for (i=0; i<6; i++)mac[i] = macs[i];
- |8 [+ |( e4 V o E# ~/ m$ d - printf("\nPlease input new STBID: ");
! t( c4 ?2 T+ m( p3 r - scanf("%s", stbid);
! T: C3 m& {7 b4 i1 J; B1 Y - if (strlen(stbid) != 18) {2 u) o2 U& U( c0 [+ y$ X9 P' V
- printf("Invalid stbid\n");
" B# `. b3 K$ X+ y - return 1;
0 [6 H$ @! P3 H# P" n) n( ~. B, d) H - }; \* \' R$ S. g/ N/ K6 ^
- printf("\nNew parameters: \n");
" c' O, @; q8 H& Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 ?( a& O, d" j K6 D" D; I
- printf(" STBID: %s\n", stbid);) O0 q: l- e- l; z; W' m' S2 `5 E a
- " F; P: Z3 N/ l: p) ~" J
- printf("\nDo you want to change paramemters? (y/N) ");' n6 N7 J7 h- a% b9 n
- for (;;) {4 J5 ?8 a. I: }; H9 |% M( I: g4 o
- c = getchar();
! M- V; v* L7 ^6 K - if (c == 'y' || c == 'Y')
0 {/ p$ D1 P0 [0 G - break;$ t0 R E! v- [/ H4 Y) h. L
- if (c == 'n' || c == 'N') {" H2 f/ ?! k$ \) E
- printf("\nAborted.\n");* g3 ^% T7 Z- S
- return 1;
4 D6 p3 g7 D9 R _7 @1 g - }
) o3 k% L2 o/ Y7 D) A+ r6 ~ - }
5 ] g: s& \ R/ @ - if (writeparam(mac, stbid) == 0) 9 x- d1 Y) c2 f7 S: e7 u
- printf("Parameters changed.\n");! x$ y& P/ X& J2 J7 O' s7 v
- : P5 |0 P* o( |2 H9 s
- return 0;+ o% N' ~/ J% H. Q! E4 w
- }
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