本帖最后由 0522 于 2012-3-21 23:04 编辑
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/ ^$ w+ M1 `7 A) p$ L4 ~. q修改的代码早有了。到今天不会编译。. p( k0 Q* v4 Z, [: e, ^: w8 H
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>$ P" M( T: n0 e
- #include <malloc.h>0 k+ m ]7 U; K+ y* ?( V
- #include <sys/types.h>. A+ l( B. f' a9 r1 j) V
- #include <sys/stat.h>
8 z- \. b- Z. l/ i - #include <sys/ioctl.h>
4 z N0 S8 Z+ |$ ? - #include <stdio.h>+ L( ?4 n; L: U' z3 ~; W
- #include <string.h>
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- typedef struct {3 E( f" C: d0 @6 Z U* t
- unsigned int e2prom_cmd_sub_addr;
: Q) }% U5 N- Y* j* ^2 c - unsigned int sub_addr_count;; \: f, ~$ f& K% a- @' j; N- u- T
- unsigned char* e2prom_cmd_data;
; i4 d) a% ]: D& q - unsigned int data_count;
8 l+ B3 _. j$ ?1 }. t/ } - } e2prom_s_cmd;; Z. G$ C; R6 l$ o
0 r! o$ U0 W: j+ [- #define E2PROM_CMD_READ 18 }4 l+ {7 \: s& r9 y7 f+ e: k$ w
- #define E2PROM_CMD_WRITE 2# D! m* N7 w/ x/ E$ ?, L
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! T: _% C3 A& R" Y
- P, u; _9 j; \, \7 e& c- static int readparam(unsigned char *mac, unsigned char *stbid)
* E1 c" Q& H! u+ c+ x - {
8 G+ ^2 \/ A# c - int fd, ret;
$ u; D9 {( p/ P& p. | - e2prom_s_cmd arg;
, z2 W/ t+ z0 M3 f/ R" g - unsigned char buf[0x18];0 l/ d" `" z; W3 T
- ; z) V4 o7 {, X# t) p3 D
- fd = open(E2PROM_DEVICE, O_RDWR);
0 z; p, M- D' d2 e/ e( R - if (fd < 0) {8 u2 [# v6 w) U5 |8 Y
- printf("Device %s open error.\n", E2PROM_DEVICE);
% W7 G0 V: G5 s. K& M - return -1;
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- arg.sub_addr_count = 2;4 w' G; R2 x/ [% m5 c6 U
- arg.data_count = 0x18;4 o1 i$ O# ]1 x( A7 ~
- arg.e2prom_cmd_sub_addr = 0x290;
- y1 ~& @+ ? W. y8 y7 R - arg.e2prom_cmd_data = buf;9 N* }/ t" e0 k+ f$ Z
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);) Y. ]3 N( W' e T+ X7 ?0 N
- if (ret != 0) {* t y9 _4 P' Q* n/ j% I
- printf("Device %s read error.\n", E2PROM_DEVICE); ^' ^( D* k0 X' n3 g) K; M
- return -1;) m2 i" N) h/ o q; @. B
- }
# M8 d. j1 [1 n3 v/ Q1 g - memcpy(mac, buf, 6);
" E8 n1 \4 }! e) c$ D- ?+ C - memcpy(stbid, &buf[6], 18); `7 ]2 h0 O4 B; Y0 h2 w0 r+ o
- stbid[18] = '\0';- `) n& `! x" h: [3 f
- {' ]# `; @) h# f2 `- return 0;
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' h4 P# T) W' V3 r1 U- static int writeparam(unsigned char *mac, unsigned char *stbid)
& @% e( E- u; r* N2 w - {
: k' V; z, r' x$ H9 t6 T: w - int fd, ret;: C% ?' v t5 e& I4 I
- e2prom_s_cmd arg;) _% H) W3 l* P5 ]
- unsigned char buf[0x18];
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/ l* {5 V( T" F y8 |- memcpy(buf, mac, 6);) G! {; G: i' o/ b# b
- memcpy(&buf[6], stbid, 18);2 J; }. L/ M# |1 h7 i7 u
- fd = open(E2PROM_DEVICE, O_RDWR);
" u( l2 \: W) H& h4 [ - if (fd < 0) {
/ S4 Z" O) \+ \0 p - printf("Device %s open error.\n", E2PROM_DEVICE);3 N/ ~/ `# L9 R, B1 p
- return -1;; g/ z" e; Q7 B: q
- }
9 k& W9 Y8 f# H4 Y* k* l$ R - arg.sub_addr_count = 2;* E6 L) k# t. ^# N/ x" a4 }
- arg.data_count = 0x18;
0 Y u7 J6 ?$ k$ [- O - arg.e2prom_cmd_sub_addr = 0x290;
% b0 F( Y) z% _" c4 |) X - arg.e2prom_cmd_data = buf;* g/ b: d/ A l" \: m' X* }1 b( }
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
. L2 {& { G7 [' m0 K8 o" I5 M1 ]0 B- A - if (ret != 0) {
- a2 h2 c/ G9 @" ~ - printf("Device %s write error.\n", E2PROM_DEVICE);
- v0 z( M% f1 e1 ]4 v2 K' g1 _ m - return -1;# U2 r* Y) @$ r% H
- }
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- return 0;) O, j& Z# _2 ?! C) f0 B
- } R2 D; i, v( e& k( i
- + b" d2 o; L: G( R! P" f3 h
- int main() I7 `+ u# [: X9 D3 N
- {6 ^" i" P, i, e! S& p$ J- R9 c
- char c;2 [; p! G" v$ V6 j) j4 R
- int i, macs[6]; i/ f0 C. @1 b$ l; {9 M* ^
- unsigned char mac[6];
" n$ x& V( J$ V2 P' U2 z - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
) e$ f; G( |8 ?! @! [+ T - return 1;
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- printf("Current parameters: \n");
6 {; G" k: Z% ]+ N5 B - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, t* Z& n" W a3 n - printf(" STBID: %s\n", stbid);& c+ W( n; Q$ d" ?. T
- $ v0 e" u% x1 N: s: S
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# C% d; y% A# A* J! ?
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {4 o# f) }6 a* j* K2 K+ i, }
- printf("Input MAC error\n");
9 s5 r% o* `% g4 R+ {4 m5 T - return 1;
* `$ O. p& c- a& T, V - }
) A! E1 V2 H# I1 H$ m k - for (i=0; i<6; i++)mac[i] = macs[i];4 {: I7 [, c9 ^ I
- printf("\nPlease input new STBID: ");
9 e( O9 f# H/ V5 |, } - scanf("%s", stbid);# y& n1 `$ Q i8 {
- if (strlen(stbid) != 18) {
" l& ^6 ?' W! ] - printf("Invalid stbid\n");
- w3 e( z7 k$ n& s) _8 \ - return 1;: z& l* z2 F) d
- }, y( [# F: C, }1 I0 @" i6 d
- printf("\nNew parameters: \n");) @6 A0 M# w9 {
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. K+ v+ y" m8 i) a2 ?3 g
- printf(" STBID: %s\n", stbid);
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9 q( m; ]$ N0 n8 {- printf("\nDo you want to change paramemters? (y/N) ");! z4 t/ M1 c0 i6 Z" F8 H
- for (;;) {
5 r4 L2 [6 k7 o, D7 V$ | - c = getchar();
( q2 Z9 n% c: Y" E - if (c == 'y' || c == 'Y')# a0 F- o6 e" Y% }9 c4 Q
- break;/ S. K. a- }" H5 g2 I
- if (c == 'n' || c == 'N') {
! K9 A& N. h. R( P - printf("\nAborted.\n");
! k& {" `9 s0 o* ?- ~: a - return 1;
: v- k7 h9 c" y( w% _6 k0 Q - }
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- if (writeparam(mac, stbid) == 0)
( [! j1 D" a6 I3 T; t6 v. Z - printf("Parameters changed.\n");* L; ~4 u3 z) v7 f* q8 b( j4 V, U
- w7 L9 l1 e* \9 o2 E( a- return 0;/ w# l3 Y3 r! e. G# M
- }
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