本帖最后由 0522 于 2012-3-21 23:04 编辑 y |2 P- f9 X6 f
- `! H/ N9 J3 E/ M- H# Y n修改的代码早有了。到今天不会编译。
6 l, x/ `- p8 Z9 g6 y需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>5 ~4 R3 Y& [1 m
- #include <malloc.h>5 d# r5 N/ J+ k9 R' X: f
- #include <sys/types.h>6 V8 B `- L6 d/ `1 ~
- #include <sys/stat.h>
6 @6 g, _; i) J. [ - #include <sys/ioctl.h>6 i- ?& G3 I0 `- h* t/ q
- #include <stdio.h>9 ~* v* _: q$ B
- #include <string.h>
' M: ~; O$ m7 Q1 C6 |9 _( |
' k& p J0 p; ]& P" b( }; B- typedef struct {
7 E9 O( @8 J1 q' L - unsigned int e2prom_cmd_sub_addr;9 A+ o# }2 l; u; R
- unsigned int sub_addr_count;
; s' _9 d7 w1 _7 l- V8 ^" d - unsigned char* e2prom_cmd_data;. t5 D3 s8 L" [' F0 m
- unsigned int data_count;, \9 y% l4 r3 l; a: z" ^+ [: a
- } e2prom_s_cmd;
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" T- k2 M0 G6 f- #define E2PROM_CMD_READ 17 u8 E7 N8 K8 {) x8 ~
- #define E2PROM_CMD_WRITE 24 M. i- I0 |% o/ G
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 A* W9 p* E* ]0 @7 U
( @3 s( Z- u& v% p- static int readparam(unsigned char *mac, unsigned char *stbid)
5 h% w/ I3 P9 E+ m+ F1 K0 w - {1 H& N! ~$ v* w5 i* [, W/ T. O& d
- int fd, ret;
/ m9 c0 Z( V7 j, U0 T1 \( @ - e2prom_s_cmd arg;
/ f- p0 d$ s( [! X. e" y& J - unsigned char buf[0x18];: l4 w- T( ?: d* _
! G$ n. w s# C7 g7 u2 k& {0 v- fd = open(E2PROM_DEVICE, O_RDWR);
3 w, o8 R2 d; `" y" r: m - if (fd < 0) {
$ W. B3 M$ o$ o - printf("Device %s open error.\n", E2PROM_DEVICE);
+ D( D D/ [8 j+ R3 x: c' { - return -1;$ I, A* ^# W5 H' w8 D
- }6 X4 Y6 ^3 x+ M: @+ m8 d3 {
- arg.sub_addr_count = 2;
) ~: J' e# w/ z7 ^# Z - arg.data_count = 0x18;
; B1 W. E! B/ E4 b# H% h5 I: o% w - arg.e2prom_cmd_sub_addr = 0x290;* e' I% A* b0 O% U2 V+ {6 h
- arg.e2prom_cmd_data = buf;* q0 @2 _$ n: E) b3 _& N1 T
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
, g0 O$ B! n9 `3 l* x6 F - if (ret != 0) {
8 }3 b& S; s2 [- f4 } - printf("Device %s read error.\n", E2PROM_DEVICE);' h% i' k4 l- [) U3 h
- return -1;
# `4 }5 H7 s. |8 S! _3 k4 z# } - }' b% B) \2 m: R' `/ h
- memcpy(mac, buf, 6);7 B V# @7 L5 ?% c3 U1 }
- memcpy(stbid, &buf[6], 18);1 e c U1 _8 o0 r* J Y }) a
- stbid[18] = '\0';
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- return 0;0 X* |: e- X2 U G. ~% ]' ~! P
- }0 L4 z- l+ J$ R+ h" h6 }4 e3 R
3 l1 |" R" y! i- c! j) a/ r- static int writeparam(unsigned char *mac, unsigned char *stbid)/ x* V6 }) ]! e+ [ P' f c
- {
3 P* C; Y7 O; o2 T! r - int fd, ret;
8 A4 N# B/ E; E- P! ` - e2prom_s_cmd arg;. x6 M6 _+ ^* p; m# G# y5 Q7 E
- unsigned char buf[0x18];
6 O- I* {3 s9 @; b# W( s8 } - 2 n4 v7 }; R! V7 S4 D3 K: A5 b5 l9 a
- memcpy(buf, mac, 6);% i! N8 h( `7 b; U$ r% k
- memcpy(&buf[6], stbid, 18);% _& {7 c1 X& x' r9 a2 s
- fd = open(E2PROM_DEVICE, O_RDWR);! a; S- r L( y8 i9 \
- if (fd < 0) {% }* o- {6 w/ ^$ ]( I h
- printf("Device %s open error.\n", E2PROM_DEVICE);4 m. ?* E( q8 W4 h% ?5 t4 Q
- return -1;$ Q2 }* D" w% p% X7 f) d
- }
0 j' @. |4 q: ]8 d) ~ p; ~# m - arg.sub_addr_count = 2;7 g5 i6 e: M6 V* y1 h* `
- arg.data_count = 0x18; J8 o9 m5 J7 f- n1 H! q7 E; t
- arg.e2prom_cmd_sub_addr = 0x290;
8 h" w* u$ f! b G. o - arg.e2prom_cmd_data = buf;1 i( R' q+ R7 ]5 P& I
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
8 P6 r- E) o9 t. s! \+ V" S @. U - if (ret != 0) {5 d @7 m$ t: o6 D/ p. G
- printf("Device %s write error.\n", E2PROM_DEVICE);( \' D9 u- }; A4 F% m0 o4 P
- return -1;5 Y/ Y( B3 c# ~/ }5 L
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- / m5 G6 t; [% D. u* k
- return 0;8 y* B$ d6 P& o; [ ~
- }3 h$ ~* k! y6 i# P9 C' M
) G6 J; x" u9 v- int main()
) K/ Y! s2 ^# S - {
* A4 e6 U2 P$ l2 @5 D - char c;
! f+ o. C1 {8 b% f - int i, macs[6];' r) G0 l2 b& s8 T, ^6 m/ u" L
- unsigned char mac[6];
Q8 N2 ?' j, r5 f- w - unsigned char stbid[256];
+ ]/ }) ?6 b, ^3 L& Z( T1 I/ T - % u! ]8 I8 a: e
- if (readparam(mac, stbid) < 0)) d' j4 Q4 k* g$ ^# h, Q% I
- return 1;
+ o/ P( n% w. [ - $ A9 n' X D6 M+ B$ q+ }4 z6 v0 U
- printf("Current parameters: \n");
4 k3 i- ^* a/ X! ? - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 ~7 }% j0 m. B# H' O$ e6 ]0 K* Y
- printf(" STBID: %s\n", stbid);
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3 b% j/ O, l# ^( p+ {, [ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
% v M3 c- f( p9 B, Y - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 f- V& t3 _6 [8 b - printf("Input MAC error\n");! ~& U: l; T/ ^4 [- M2 m8 q/ Q( ^
- return 1;
" |0 R: a- A/ H$ e. e - }
2 Y( u, h4 L6 Q% q - for (i=0; i<6; i++)mac[i] = macs[i];
) b/ I. |+ f% [' ?' s8 l - printf("\nPlease input new STBID: ");' y2 s+ X7 G; z$ P
- scanf("%s", stbid);- ]4 Z1 a9 t- e) a
- if (strlen(stbid) != 18) {
$ E% m5 M! u& `( ^ - printf("Invalid stbid\n");
4 z2 x) _) j" s2 [' g8 i - return 1;
" ?, r% G7 c) a4 }: `& t: ~# W - }
+ _$ V7 m6 Z+ |6 { - printf("\nNew parameters: \n");. T0 q* L. H w7 q8 b1 l3 f5 D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 K1 r2 t' _0 k/ e. R5 x - printf(" STBID: %s\n", stbid);4 b( t, f. o4 ^7 v$ t! ~
- " Q3 M% h: K& b- M" u$ i! r. N0 u
- printf("\nDo you want to change paramemters? (y/N) ");
7 Y P/ a" k$ ]0 y3 {/ x - for (;;) {* I) g2 `7 d K$ J# h7 y
- c = getchar();# {. A$ s8 Y: s# V% h' q+ s3 m4 T
- if (c == 'y' || c == 'Y')
+ w7 M0 e; ~) N; r6 D9 r. G1 u - break;( ?8 K8 }9 m2 K2 s9 y) {" [
- if (c == 'n' || c == 'N') {
$ J( O+ O, E/ Y3 E - printf("\nAborted.\n");
% i! `, K1 k+ h" C - return 1;
. W# E: f. {1 ] - }
7 z( i' _5 Z; q+ n - }
6 D8 i0 N+ r$ K/ p( C* M - if (writeparam(mac, stbid) == 0)
# u5 I. M3 |" n; p' |, u6 N, [, A2 B - printf("Parameters changed.\n");
& q" w: d7 ~# s2 G7 i; ]% t
& k0 q; ^4 r1 `; n- return 0;/ b; T" k* {2 ^0 w* _+ }* V
- }
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