本帖最后由 0522 于 2012-3-21 23:04 编辑 - e4 }6 F7 {; j* [8 _) a
3 I6 b; {+ _: w修改的代码早有了。到今天不会编译。6 t k! L& R1 ]3 w0 k. Z1 G% e
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h># l# j! q& ~, i7 Z7 n9 a1 @
- #include <malloc.h>* F- j3 u! s* j4 M% }
- #include <sys/types.h>
0 I" _. X1 }. g5 l( L9 N1 C - #include <sys/stat.h>
+ |; x1 e; X* l - #include <sys/ioctl.h>
, o, e: N% p. D# ~6 f& J7 s - #include <stdio.h>6 ]0 c) ^# L9 W8 T
- #include <string.h>4 f! h' P9 e3 L+ v# ?% w
, A' N, u2 T3 ~! W& |& Q; H1 i- typedef struct {" b2 z& D4 b% q/ ` ^. v! A
- unsigned int e2prom_cmd_sub_addr;
+ J$ C# a9 U( E$ D7 ]" ]% a" W - unsigned int sub_addr_count;4 o/ K6 q4 T" R7 }" J2 P& K, {
- unsigned char* e2prom_cmd_data;' o, K; E' H' k) a" S
- unsigned int data_count;
" f$ H6 F- q. d) C. j) m - } e2prom_s_cmd;. ^4 v! u/ D" d4 c
+ o% c* T1 L/ `- #define E2PROM_CMD_READ 1
3 P S/ f& p( X3 _ - #define E2PROM_CMD_WRITE 2
% e2 u' ?+ W0 d I; I* S1 p - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16". w/ c# y L! Y# x1 t# F& |4 s+ Z$ C
# E) h. N3 l- r9 `5 s) D" T- static int readparam(unsigned char *mac, unsigned char *stbid)7 f& e$ y6 s' t4 J* U3 d U7 I
- {
: o" P4 H5 A: h0 w5 A+ t - int fd, ret;
! Q1 Z! t; c$ n z+ b# c, J - e2prom_s_cmd arg;
2 p( |& ?- b! T0 T; ~+ A" T2 N1 s - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
7 U& h% L" a% m4 \ - if (fd < 0) {* N8 k$ p! |/ V; j$ }- Q! f2 M6 i
- printf("Device %s open error.\n", E2PROM_DEVICE);
; {1 y* M; P: ~ - return -1;# s" Z! E, S) V
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- arg.sub_addr_count = 2;
# e- z$ f; ?% ^0 ?# [' x - arg.data_count = 0x18;
! q! D7 m( @/ j - arg.e2prom_cmd_sub_addr = 0x290;
1 {3 J+ d" A0 ]' k* m/ } - arg.e2prom_cmd_data = buf;
, L" h$ m4 N( V* K2 e. d - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
8 \% A& g$ A( d1 c: b4 p - if (ret != 0) {
6 N8 R, t( |1 A2 L - printf("Device %s read error.\n", E2PROM_DEVICE);
2 H" {' ?8 N, _ - return -1;
5 _6 c2 P4 Q6 }8 Y, j - }# S6 K1 \- C7 e7 j8 O
- memcpy(mac, buf, 6);: U5 ? W8 f1 t4 E, M$ \; M7 w9 y
- memcpy(stbid, &buf[6], 18);
) |, J4 T1 R7 ^; ?( W2 D( Z - stbid[18] = '\0';" |5 a; G$ z9 N
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- return 0;/ V; j2 q3 z, E$ g; B4 f. b
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;1 i; C- O2 d4 m! n/ s3 i5 G
- e2prom_s_cmd arg;# i& h2 e( X6 Y: ^; c- _* a
- unsigned char buf[0x18];: C: w- Z4 L$ `( f
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- memcpy(buf, mac, 6);
2 D: x: a6 E: f) K- L - memcpy(&buf[6], stbid, 18);; W. L5 s' c* T( i* n2 g! J# r
- fd = open(E2PROM_DEVICE, O_RDWR); {, ]# \# u) I
- if (fd < 0) {
" ]$ T% D$ V7 ^+ X) F k0 q( e% Z& r - printf("Device %s open error.\n", E2PROM_DEVICE);3 C8 t# F2 w: q# v
- return -1;
8 ~1 u+ _4 I% G - }
. R2 R0 u. H$ Y$ n6 S' V - arg.sub_addr_count = 2;
6 k- j- N. {: J - arg.data_count = 0x18;
& u" }& i/ |6 `( c5 E' @6 d - arg.e2prom_cmd_sub_addr = 0x290;& O, |( l: j6 B" u
- arg.e2prom_cmd_data = buf;
4 W3 {! Q5 E2 L6 u - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ [, p3 G: t+ j# w& V - if (ret != 0) {
: x. {3 m! C* I" a+ t - printf("Device %s write error.\n", E2PROM_DEVICE);
7 }, q. l8 W- U! H* Z' I* P - return -1;
; ?, m7 `2 e, x. I - }! R. F' ]8 n! p" a, c+ O) I8 z
- * u: j" D4 ?& W c
- return 0;
3 c2 `/ |; }! } - }
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- int main()* B! ]% G. [8 I, [/ y+ j
- {6 C3 |' C c% W/ ?
- char c;0 y* R0 K7 F) N- k5 g S
- int i, macs[6];
0 H# O A* C1 K5 e* N5 p9 c- y/ y - unsigned char mac[6];* Z/ c0 t! b: [! `
- unsigned char stbid[256];+ p/ d5 G- C2 `. e" Q
- , r' o6 K/ O6 ^8 \
- if (readparam(mac, stbid) < 0)
* R* N' r$ u. W2 C' V: G* w - return 1;
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- printf("Current parameters: \n");+ A: @* T; q% N3 {0 z/ F
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( ?* f9 R/ w, E7 W& M9 b1 {- P6 Z - printf(" STBID: %s\n", stbid);
# ^0 m$ ]2 x' Z5 g" p$ X9 r8 P - * a* a( @% t- s; D4 {! K% j9 o
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");5 L4 y# C4 x' \ c9 O5 y' R
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {4 @; D+ z4 H- p. ?, K% ?- N
- printf("Input MAC error\n");
/ U8 m D- c; f6 d( g6 r: ~ - return 1;, B# f# J/ K! a% ^, W l5 M
- }4 U7 @" D! ]7 L" Z& n7 Z/ u0 @
- for (i=0; i<6; i++)mac[i] = macs[i];
* i# G% U% Z8 k - printf("\nPlease input new STBID: ");
. l" a' v* K+ S5 q - scanf("%s", stbid);. O, y, R) x3 R% I/ @+ p
- if (strlen(stbid) != 18) {
0 Z. f9 N* ?- n1 _% r/ b - printf("Invalid stbid\n");' v+ \! L3 K, R! A
- return 1;) X6 D- m/ p9 b6 N9 }
- }
; n. D, F, Q) I$ z - printf("\nNew parameters: \n");% j$ v- y% \, t5 N& p3 y3 ?
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 g A/ L3 c- R# L8 Q, h- T - printf(" STBID: %s\n", stbid);
% R0 S6 q* |5 L! ? - 9 ~" E% h6 A6 s
- printf("\nDo you want to change paramemters? (y/N) ");
* x$ ~% W8 j8 M& P% b - for (;;) {% ^. G# h& d! P! m) c- I
- c = getchar();
0 f+ Z& L" t1 B) n4 l - if (c == 'y' || c == 'Y')
1 a) Z+ W. l# s3 v* o7 G! O - break;9 x4 y+ b F$ J; w
- if (c == 'n' || c == 'N') {4 [5 o Y( \3 W: g# W
- printf("\nAborted.\n");
. `- Q. o4 }( O; ?& w& c - return 1;
3 w( z- K. P5 K& H$ f) I( N6 J - }
# ~" u& M& K* T% m: n - }1 H; @8 {8 A* o9 d# _7 T
- if (writeparam(mac, stbid) == 0)
" i) n; g; Q# @1 P3 F) j& o3 O - printf("Parameters changed.\n");
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0 V, ]" K' r0 Z9 V8 U* w- return 0;" V; @) ^8 f0 ~
- }
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