本帖最后由 0522 于 2012-3-21 23:04 编辑 9 Q9 {+ h: \0 z4 ]
& o1 I4 Q6 d0 D2 d8 T6 `% D5 \修改的代码早有了。到今天不会编译。
3 Q+ @1 T% K9 b% T需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>( d. W5 s9 T s+ B
- #include <malloc.h>
8 S+ k: r1 ~0 q" s - #include <sys/types.h>
! P7 ^1 j O0 I2 K0 i+ ~" }7 d9 @ - #include <sys/stat.h>* C! R7 s5 N) S A4 \' I
- #include <sys/ioctl.h>
% [/ |- l& Q" e; B- e. c - #include <stdio.h>
9 r4 f& h% K% w; E& `/ V7 @ - #include <string.h>5 Z/ e, L4 @* M0 v* S/ O
- 6 e: q6 ?6 V+ \* j4 p) S
- typedef struct {* C0 {4 h% {' {* x2 z; s
- unsigned int e2prom_cmd_sub_addr;
0 O$ `* u8 q2 o( |6 z% c - unsigned int sub_addr_count;
; W" F& T8 B! U" h* ?) n - unsigned char* e2prom_cmd_data;6 u$ a' E" O' k! A
- unsigned int data_count;8 L1 V" I# t( C! x2 I3 p1 w; E
- } e2prom_s_cmd;2 z- b* O# f3 [( T$ A
( j: V7 G% F% o. ?; R3 \- #define E2PROM_CMD_READ 1: r6 T, P/ K" I7 x/ \
- #define E2PROM_CMD_WRITE 2
: m; F. c# u( f4 X- f" D; M0 [ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"* I0 Y+ \" w$ U4 P7 p- t
- $ \1 v9 p8 ^ x( M7 P* T
- static int readparam(unsigned char *mac, unsigned char *stbid)! n* {2 X& D" I1 W1 i
- {/ I8 D Y: n ]& Y3 O5 \9 z
- int fd, ret;
4 w4 a0 w' \* q' r - e2prom_s_cmd arg;( o" O6 u" p6 d; n
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
( B( y, L( t* s - if (fd < 0) {$ _3 z8 D6 a* e+ D7 l0 @% A. r; D
- printf("Device %s open error.\n", E2PROM_DEVICE);
% ~: [7 n. H" F/ u8 n/ |6 A - return -1;
( {& u9 a9 a2 B% j, W - }
+ S: g5 p. Z4 X% I8 j - arg.sub_addr_count = 2;
& ^6 G7 T1 \( A$ V4 o6 N5 V - arg.data_count = 0x18;
8 h- {# ~9 W% y - arg.e2prom_cmd_sub_addr = 0x290;3 z. f2 l- y5 B8 |. m+ `; i& C- R
- arg.e2prom_cmd_data = buf;
Q9 a) e2 b5 X( P: ^ H# C - ret = ioctl(fd, E2PROM_CMD_READ, &arg);. X/ @+ y& A% D) T- T2 M
- if (ret != 0) {, p7 o9 D! U5 a: {
- printf("Device %s read error.\n", E2PROM_DEVICE); ?- u- i4 T6 B9 N, o
- return -1;
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- memcpy(mac, buf, 6);5 G1 }% B2 b9 H3 j0 }: l5 N
- memcpy(stbid, &buf[6], 18);6 A, M" a4 ~: W) m {9 D
- stbid[18] = '\0';
4 V' W9 b# R R$ P5 c
. W( t% m7 U; ~/ J; [- return 0;
/ U9 q& v+ q; h" \" _2 c - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)" Y' o% m- p6 R$ k: ^; p
- {
6 b) G7 ~! b% W( D N2 [7 p - int fd, ret;3 R6 g$ V. M9 j0 v) |$ y2 J* I9 X
- e2prom_s_cmd arg;9 B, k4 g: r$ Y* ]
- unsigned char buf[0x18];
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+ y- s( x1 t5 I2 _- memcpy(buf, mac, 6);0 @1 w3 T7 R4 Q+ X, P" t
- memcpy(&buf[6], stbid, 18);; N: g2 s1 y1 k4 g- u" K
- fd = open(E2PROM_DEVICE, O_RDWR);
5 v) z4 `/ _( j/ l- G - if (fd < 0) {
7 V f' s# `* y% q( n+ K8 C6 T' f3 ^ - printf("Device %s open error.\n", E2PROM_DEVICE);
& g* g: E4 \ R - return -1;4 s# t. ?% |; x. y0 r! Y# R4 A
- }
) e6 e% r6 w4 N5 J( P - arg.sub_addr_count = 2;
" H+ q! d C& s D- H- [* a% J - arg.data_count = 0x18;
/ u A/ |, ~7 a/ }1 n7 a$ w" h - arg.e2prom_cmd_sub_addr = 0x290;
: f% v/ N# t/ l% ^ @" ~ - arg.e2prom_cmd_data = buf;
* U7 {8 e N: O - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
2 O& Y. t0 k c: z - if (ret != 0) {" f% }+ i6 e a v0 g
- printf("Device %s write error.\n", E2PROM_DEVICE);. B% D/ e* @( l5 c V0 S* }! B
- return -1;' [/ A# v! H# x) b" ^2 a3 j
- }
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- return 0;+ o/ k; p4 r) A* b( g6 b
- }
% r. I4 S# Y0 S- }& D$ r - # D5 R) c( _3 Y5 V" u0 ^
- int main()2 {; E* W! y, {; i
- {
' b5 C7 G4 \0 C& z9 y" A: K - char c;% |) Q' w) A A/ f1 ^& V: H9 m% e
- int i, macs[6];( ^& ]) t7 v M
- unsigned char mac[6];
" d& W. r$ ]3 p - unsigned char stbid[256];0 l* o2 X$ e6 g q: p
. K3 F- I1 E. X- if (readparam(mac, stbid) < 0); P) D5 L- a. n. m
- return 1;
* l$ Z% K$ l* T8 e l - + e5 ?3 k: g# H
- printf("Current parameters: \n");
U, e7 K9 _2 w! ?' d8 q1 D# ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 m; X$ Z6 F4 y+ Q/ V3 R' K - printf(" STBID: %s\n", stbid);
5 N# x- e, O, E/ H5 w' Y -
$ b0 m9 X- O& G) X. X0 m1 @ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");2 X* w5 `5 K6 F2 Z# A2 v2 \ E
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {1 N! ^6 x* S3 \
- printf("Input MAC error\n");
4 F, k' j( @1 Y1 W8 K, p8 ^, G7 } - return 1;
1 B6 W W' S3 D - }
. D# q/ e. y* M, X! J7 K - for (i=0; i<6; i++)mac[i] = macs[i];
* _9 K* e7 |" F( Z& [ - printf("\nPlease input new STBID: ");- N2 p/ B9 f: Y7 S( a5 D
- scanf("%s", stbid);
& u) Y+ I) A% ]2 @4 G. W - if (strlen(stbid) != 18) {
) O- i1 X$ a6 Y P7 h - printf("Invalid stbid\n");
7 g' R" g' |+ v/ a - return 1;
! x) T1 x( _) M - }+ V+ p# D# }+ V5 V! \$ h3 r' `
- printf("\nNew parameters: \n");+ Y5 X, f7 N8 X( o5 S3 n& H
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 I& p% v# a4 @2 _& s - printf(" STBID: %s\n", stbid);. l9 C: o6 I% l/ x3 g$ J
/ m; y5 F, b; G! p4 l- printf("\nDo you want to change paramemters? (y/N) ");% n6 i) ]: M5 v
- for (;;) {
1 d# x- f+ f. ~# |: n1 k5 G - c = getchar();
. H3 G( ~5 K: ]7 D+ d - if (c == 'y' || c == 'Y')' E) R4 m6 M0 Z$ ]) f" e4 ?
- break;
7 ?8 T: |+ f! u7 G: H( n - if (c == 'n' || c == 'N') {
$ [$ }: ]7 b( j N% F - printf("\nAborted.\n");
, x" N" u" f) }+ P* o/ X - return 1;
/ |: _1 e7 z: S6 c - }' k6 Q, `% S- n# j- D
- }$ p2 r. |! f' h' N" B
- if (writeparam(mac, stbid) == 0) ) N! ~% ? f2 L; o0 L3 m
- printf("Parameters changed.\n"); Z6 Q( v/ Y# [! [
- + z+ U$ }: I3 w) z" k, w+ m. k* w
- return 0;
( \0 U, v1 K# J0 g. n+ o - }
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