本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
$ B% b$ ~- h- W4 p$ r需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
/ @6 W$ ~; o4 ^ g+ o( f- q - #include <malloc.h>; B3 c+ x- C5 g# Q4 R: v
- #include <sys/types.h>
7 C( U% r0 P9 G/ J" ~% a3 ] - #include <sys/stat.h>; g( d3 |% B* z$ [
- #include <sys/ioctl.h>9 G0 W8 Q( f: B. W0 G5 o, Q
- #include <stdio.h>
8 d+ Q; Y) Q, z/ R. S - #include <string.h>
' F0 S: C' a; |8 t' H$ J! o - & ?$ v- t$ ?+ g
- typedef struct {
+ Q$ N$ I* i! n6 F3 ^/ n0 a: Z - unsigned int e2prom_cmd_sub_addr;7 ]& U2 Z3 H& X7 o$ [' _( [
- unsigned int sub_addr_count;
" e: g' K& W: T - unsigned char* e2prom_cmd_data;
9 N7 M+ ], U+ a$ r( I - unsigned int data_count;4 y9 h$ o0 i5 h: {. ^8 ?
- } e2prom_s_cmd;! Z s/ D; M" r0 f
- . f) J* p. R4 ~( |
- #define E2PROM_CMD_READ 1
1 n6 M- Z7 ^: B6 S2 G' ?/ C - #define E2PROM_CMD_WRITE 2
# p6 O# W0 ^0 E - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16") l2 s' m7 ~& K$ S W" P
$ Y. l9 ]2 d! Z! W, D5 l- static int readparam(unsigned char *mac, unsigned char *stbid)
/ ?! v) e8 U P9 K1 u5 a( W% v7 O } - {( H. |, m6 h3 F( j5 J/ g& p; m
- int fd, ret;
) t+ s* ]% C4 g' X' x) E - e2prom_s_cmd arg;
0 e- H4 R* G r8 L - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
# f+ N, G4 _% F2 p6 k - if (fd < 0) {
2 w+ c' a- [: a# m! [ - printf("Device %s open error.\n", E2PROM_DEVICE);7 s& R& E9 x8 _' f# b+ Y6 M
- return -1;
, W, B, T! J6 N$ e9 t - }
# u( w6 m. v' E% ]# e8 K# q - arg.sub_addr_count = 2; l K2 N8 \0 ^ ~3 X) ?* f
- arg.data_count = 0x18;6 J" T h5 b3 ^1 a
- arg.e2prom_cmd_sub_addr = 0x290;
9 {8 k; \/ t/ o& } - arg.e2prom_cmd_data = buf;
8 @3 A k* W4 G1 S9 a3 P8 f - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
& n: Q, t: Q+ O+ E1 v$ q - if (ret != 0) {9 b3 u6 n3 l! N$ y
- printf("Device %s read error.\n", E2PROM_DEVICE);' ?' e+ w% W9 f; ]+ o
- return -1; B/ x+ u& T+ H0 ~4 _
- }2 A2 O* O T1 f8 [ Y+ {0 J2 {
- memcpy(mac, buf, 6);
$ O+ l7 ~; e0 L6 g( e4 _ - memcpy(stbid, &buf[6], 18);
$ d) X( O2 c% |9 d3 X - stbid[18] = '\0';
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! j2 ~( B/ @) u/ }# T; Y' j- return 0;0 y) K: i) |3 Q4 O! A8 K5 U
- }1 ~6 V( t, C( s) e% {
# p- R; P) v2 v$ E( P( i. x" h+ F- static int writeparam(unsigned char *mac, unsigned char *stbid)
) Y5 J$ ^. n( c f2 \+ r% j - {
6 r' G7 ?& H) [. o" {1 j - int fd, ret;
6 w5 M c, H) g - e2prom_s_cmd arg;
4 j4 P; n! j4 R2 B5 c" ^ - unsigned char buf[0x18];
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; k6 L4 |+ g/ ]: T2 p& U- memcpy(buf, mac, 6);: u5 c" ~" H: ~/ x% C
- memcpy(&buf[6], stbid, 18);
0 B' A% V1 _' X5 U - fd = open(E2PROM_DEVICE, O_RDWR);
( _, _5 g1 p- V! w( I5 ~3 {! n8 I/ E - if (fd < 0) {! [ Z& m0 m* X
- printf("Device %s open error.\n", E2PROM_DEVICE);4 z3 R6 [) p0 H9 c; s' B, w- g/ W a
- return -1;
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- arg.sub_addr_count = 2;
) j* Q% n4 ^. T2 }7 Y x - arg.data_count = 0x18;
6 ^3 K7 b1 g. p+ t3 E - arg.e2prom_cmd_sub_addr = 0x290;
; o7 }( [! [: A# o# e - arg.e2prom_cmd_data = buf;; k' x' o5 f# _) z5 F
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
A6 R5 w T+ B% ^$ I/ m* w - if (ret != 0) {
. e. c' v) ^6 G - printf("Device %s write error.\n", E2PROM_DEVICE);
: c! |4 r/ N3 k: Z X% \* p6 N - return -1;" V. z/ F0 Z7 q& ~6 r2 W9 b: r( E% @/ |
- }
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- return 0;1 X( @( @8 k" ^- p; U& ~
- }+ T2 L$ l) H. n, K
# i. ]4 y. v9 I6 o- int main()
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- char c;1 U( o8 t, i) o; F
- int i, macs[6];
8 J1 h% K) j5 k% ?, s( K% X3 j - unsigned char mac[6];
( i" c4 A2 a, z - unsigned char stbid[256];0 {* n7 [: _* \. f2 O* ^% M2 i
3 t1 T1 q# q3 U# Y8 o# \1 K! y- if (readparam(mac, stbid) < 0)3 _7 q9 y! _, D; d1 [ l+ O
- return 1;
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- printf("Current parameters: \n");
1 Q4 l6 z6 S+ ]+ p5 B - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ U, q, }/ T: s8 d ^ c
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
+ [) E0 ~! s5 ^ F4 t1 j - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 ` y0 {; M/ J+ K, K( @
- printf("Input MAC error\n");
5 m6 S3 j+ C7 M( {4 B - return 1;
& _3 Y5 Z8 p# U7 F5 H - }+ ^5 i4 O# H, ^- H$ `# b" D
- for (i=0; i<6; i++)mac[i] = macs[i];% }; J/ D' j+ n5 y4 z5 p
- printf("\nPlease input new STBID: ");# ]6 h: J5 j* ~
- scanf("%s", stbid);& L8 Q4 ]0 Y- E8 H+ c) G0 K$ D
- if (strlen(stbid) != 18) {: y+ r" V# D+ y: B
- printf("Invalid stbid\n");: k! B1 l9 U( I5 T/ {
- return 1;
, Y0 _& h% u: } - }
8 Z6 N# j' @ z# X0 B: M' u - printf("\nNew parameters: \n");4 J# s9 c# F8 C( e6 [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 R# f$ _3 ?& |# H$ p - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
& U2 Q% d( @. |* T7 n$ D! D/ w( ` - for (;;) {: I0 s: T0 Q1 w6 L; R; ^
- c = getchar();
. F Z' T9 ^/ }% [+ t9 \ - if (c == 'y' || c == 'Y')/ X9 i0 E/ M3 P( k4 C K( A! c
- break;& e6 p. O' Q5 U2 E# f6 ]
- if (c == 'n' || c == 'N') {
8 X0 v e, |" v$ n - printf("\nAborted.\n");) }( H8 \: N- r
- return 1;( L, }' @3 E2 |- B
- }
* M; ?: g- C N$ G - }
1 q! P: D( d8 E- y6 w' g+ v - if (writeparam(mac, stbid) == 0) 1 g; o, `/ U: c
- printf("Parameters changed.\n");
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- return 0;$ H& h5 l4 m. ?' D
- }
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