本帖最后由 0522 于 2012-3-21 23:04 编辑
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/ a5 S& h# T5 r) l7 O! o0 r8 `修改的代码早有了。到今天不会编译。1 |1 B/ d" g) B- e: S" l+ X& A( m/ f5 W
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
5 Y# O% G! X+ O7 t( I, o" m( G - #include <malloc.h>! ^0 y* E, A: {$ M; Z5 Y1 d4 Y
- #include <sys/types.h>
) `' n. J$ p }$ k4 | {4 [ - #include <sys/stat.h>
0 i4 y# M0 V" Z3 f - #include <sys/ioctl.h>$ u h8 t, G- r) j4 l2 B- {2 E
- #include <stdio.h>
5 m* W" K9 }/ n' M, _3 F$ w - #include <string.h>
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- typedef struct {
: O- c1 X1 T4 V$ y4 B; | - unsigned int e2prom_cmd_sub_addr;& F8 q( [7 X* @
- unsigned int sub_addr_count;1 l+ a* Q, ^# \3 `: T' F
- unsigned char* e2prom_cmd_data;
, k3 g/ i. s: v( P F/ Q7 W; \ - unsigned int data_count;: N; j7 m2 M* W
- } e2prom_s_cmd;+ U# @. ? z& J
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- #define E2PROM_CMD_READ 1. G; r( _" x' c% m0 |
- #define E2PROM_CMD_WRITE 2
# E2 k, d) `2 t/ f - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
/ n. F. P. {# p0 p! ^ - $ @! J9 h& p; J2 w: }
- static int readparam(unsigned char *mac, unsigned char *stbid)
4 @- W R+ B4 ~2 i; z p - {
7 A' A- [. j* h - int fd, ret;
2 J3 C5 ]+ t5 N' X4 n. O, j - e2prom_s_cmd arg;" J! Q( j4 A3 N) H
- unsigned char buf[0x18];
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( w, T; r& T- L$ C+ N- fd = open(E2PROM_DEVICE, O_RDWR);
1 D7 X, w0 A# C9 a# O3 I- u. Z - if (fd < 0) {6 y4 ]9 n( O( ?/ y9 i6 S( H7 l
- printf("Device %s open error.\n", E2PROM_DEVICE);
- u! u% b4 U7 b* h" ? - return -1;# J5 A& R$ Y t) p# P) A5 T" m
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- arg.sub_addr_count = 2;
8 T3 F' a" g+ j; C - arg.data_count = 0x18;2 ^0 |2 U& j1 i* o, H- p
- arg.e2prom_cmd_sub_addr = 0x290;% A" f3 c% r+ ~1 ?! T" b
- arg.e2prom_cmd_data = buf;
$ }; L6 [7 N' N+ C9 J9 A) Y( [+ p - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
3 J/ F- g: r* {6 c. U - if (ret != 0) {
3 g) s% G: E# z4 t, W1 Q4 _# G - printf("Device %s read error.\n", E2PROM_DEVICE);+ d4 G- H6 `' V
- return -1;7 ]8 M7 l9 g {- l' G( K. ^
- }: {4 S/ [, N. N4 I
- memcpy(mac, buf, 6);
9 S6 A6 H6 J" A8 U! \6 C/ q& q - memcpy(stbid, &buf[6], 18);
0 G% B9 }/ P& K# @9 x - stbid[18] = '\0';
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- return 0;
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s7 |3 |: h3 I- static int writeparam(unsigned char *mac, unsigned char *stbid)0 K3 d$ S% {; \3 D [8 \
- {% q) d7 Q, ^& E+ i# i/ {; F4 w
- int fd, ret;& B9 ~, ^% A# v
- e2prom_s_cmd arg;
6 F/ |* M9 \* N/ G+ S - unsigned char buf[0x18];5 ^' }& }4 k" h) Q% |& p: \
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- memcpy(buf, mac, 6);
q: I4 ~+ w8 E) x5 a' p( d C - memcpy(&buf[6], stbid, 18);
/ p$ Y& i; Q& Z - fd = open(E2PROM_DEVICE, O_RDWR); H. j( v4 [3 H2 ^0 Z. F
- if (fd < 0) {* j5 W$ v: u0 y$ N9 z! g0 M$ ?
- printf("Device %s open error.\n", E2PROM_DEVICE);5 A8 ~) X1 C/ r2 C3 d+ n( ]$ o
- return -1;
* O" N# w1 m2 y - }
2 _( b" V! i, v! |& X4 u* J - arg.sub_addr_count = 2;
/ l' U5 c% f6 W, v9 R9 S - arg.data_count = 0x18;
, Z7 A& k3 c$ [# ]' Z1 S- p - arg.e2prom_cmd_sub_addr = 0x290;0 X7 C' b' t+ z5 J! d4 f9 F ^
- arg.e2prom_cmd_data = buf;
* q8 z( _' A6 Y1 K/ T - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
2 U- B& l8 w& ^2 } - if (ret != 0) {! N' u1 \2 p& O: i, I0 {0 {2 u* Y
- printf("Device %s write error.\n", E2PROM_DEVICE);9 I& {" @8 L! q# g* H
- return -1;
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- - x9 s- Z$ [( x6 ?7 i! n
- return 0;
+ }: E5 V4 x7 } - }
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0 L2 E- T3 _6 n- p% K* `& T- int main()+ C; L! A: B/ J( R% c% P' f5 v
- {
2 X, }8 ?; H3 D* h1 T - char c;; P* t" S l5 l+ k
- int i, macs[6];2 ^0 Z% u) z4 R. J, {, V
- unsigned char mac[6];
+ Z( c, M7 p$ z# b* i. p3 a - unsigned char stbid[256];
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1 ]$ c' s* ?6 [' }- if (readparam(mac, stbid) < 0)
: I" T$ [0 ] [# ?2 J$ K5 ?: s - return 1;
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- printf("Current parameters: \n");
# k* Y) q9 ^4 s: d" l# r6 C, } - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. J5 X) {3 T% d+ u) K! y8 |8 Z0 l - printf(" STBID: %s\n", stbid);
% r9 a* J2 A( A0 l$ ` -
1 h& G; r/ s! K7 @ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");' x6 Y0 B5 A. f2 t" g
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
' }2 C; n$ i2 K7 l' ]3 O - printf("Input MAC error\n");" d& ^0 N" L8 k( D* l
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];+ @: N O; E! m$ G
- printf("\nPlease input new STBID: ");; R+ E) C, ~! s4 U# |
- scanf("%s", stbid);: {; E6 D9 v* x2 H+ F# T$ u0 j
- if (strlen(stbid) != 18) {
( U& |- b# q2 u$ ~$ b2 m2 n - printf("Invalid stbid\n");
) B* G" _5 q- V1 ~4 M8 n9 l% Y - return 1;. Y' [( R9 X+ E& m4 u1 [
- }
5 r0 Z' a$ _3 q5 Z c - printf("\nNew parameters: \n");
) E" q. U- s! L# X# A' f9 [) C - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ Z7 q! c7 |% V' y2 Y4 w
- printf(" STBID: %s\n", stbid);" _% J( Z6 r5 W s3 Y9 n: o, R: m
- 3 k2 b( K# h6 R; e2 ?
- printf("\nDo you want to change paramemters? (y/N) "); C. A6 [: F2 c' b( o8 c5 r
- for (;;) {
, d& L; R* U: |; `/ @6 n - c = getchar();
4 W* e9 t4 v, |+ X4 O7 U. l* |" p - if (c == 'y' || c == 'Y')
. O1 _" r6 U/ _5 B. G' u6 i - break;
/ @) [$ L& V6 j" ^ x: ~9 S i5 u - if (c == 'n' || c == 'N') {, ?: I. J! C: R8 k* u7 M, C" Q, J
- printf("\nAborted.\n");
) F, @# ^- a* b: |5 w6 L - return 1;
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- if (writeparam(mac, stbid) == 0) $ r8 ]: c( M4 Z Q, W
- printf("Parameters changed.\n");
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' \" I9 d! u7 L* I* K$ M7 _- return 0;
( F7 W* I6 e: v9 U; s" o/ m3 ? - }
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