本帖最后由 0522 于 2012-3-21 23:04 编辑 5 c, ^# Z- X, J
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修改的代码早有了。到今天不会编译。% h# l3 k* u$ _ b2 N3 v' H! H
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
$ T9 z4 T- B9 r - #include <malloc.h>
8 T K! ]* W' ? c5 F ] - #include <sys/types.h>
! y1 U/ @1 K" a0 C - #include <sys/stat.h>+ F( A5 q# g6 _% V8 A* k: h% m
- #include <sys/ioctl.h>" l3 L% B& |! ~1 m% X& d+ o
- #include <stdio.h>
( I) R" s/ L6 x# A1 H: p5 _0 _ - #include <string.h>' q7 W- q& W# H' ?$ Q
- / X) V p4 r5 Y/ \4 z8 _
- typedef struct {
. \0 p! W( J- k - unsigned int e2prom_cmd_sub_addr;# v5 i9 L' o- x: |% z$ Z2 i7 G) A
- unsigned int sub_addr_count;
r! P- l. [8 c2 ^. f - unsigned char* e2prom_cmd_data;
1 d: H [2 l0 a7 a+ I7 f/ x( | - unsigned int data_count;
2 n; v8 O) Q! l) A7 n. K: O; \3 Z - } e2prom_s_cmd;5 w3 {$ } p) A
# D3 m; e# M, d6 j9 Q. Y- #define E2PROM_CMD_READ 1
- N3 X+ P5 g# W% M+ v - #define E2PROM_CMD_WRITE 2
0 z# [4 a" S/ f, C - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' n3 B" Y# `% [- j: A
- 4 o8 h8 M6 }* y. c) I8 q+ h" _
- static int readparam(unsigned char *mac, unsigned char *stbid)! H+ y& u/ G5 k/ {# \
- {5 z8 ]# {+ e' S1 P4 V) C6 {
- int fd, ret; e4 I" A r {- x, m; ^( q
- e2prom_s_cmd arg; ^. r! \1 h' l" z( H2 D- G# `% ?
- unsigned char buf[0x18];
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) M+ h( N9 x) D# @- fd = open(E2PROM_DEVICE, O_RDWR);
9 h& h) d }, m" s+ k/ i - if (fd < 0) {2 c7 V3 X- M2 N. k2 f1 n# W
- printf("Device %s open error.\n", E2PROM_DEVICE);
" z+ I: D z* O' \ - return -1;
0 E3 J( ]3 Y1 B9 [( z. E9 w - }
- z, N8 ~: e; N" \$ a; @- u9 t5 b# g - arg.sub_addr_count = 2;
) ^- k, V3 S6 ^1 J/ g# n8 p7 f. t - arg.data_count = 0x18;
. |% ]& g$ U2 o. o2 d: Y( l - arg.e2prom_cmd_sub_addr = 0x290;
( B" m; N7 ~: |3 a - arg.e2prom_cmd_data = buf;
$ c4 h+ J2 s0 m) b b - ret = ioctl(fd, E2PROM_CMD_READ, &arg);1 T: l" r5 d9 Z6 V8 `6 G) ^% f
- if (ret != 0) {5 U4 \4 ^3 S( U
- printf("Device %s read error.\n", E2PROM_DEVICE);, u6 }( x! n8 b$ K/ I
- return -1;: H, x2 P" V5 {: d
- }
* M/ x4 M/ N4 [8 {% S5 U) |4 ] - memcpy(mac, buf, 6);/ o/ M( _/ D* k3 A* {+ W/ j
- memcpy(stbid, &buf[6], 18);+ u" [% ~! q6 q- h* f) g
- stbid[18] = '\0';
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- return 0;
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- 3 z8 p) E, d) b: M7 w( U' V% v9 t
- static int writeparam(unsigned char *mac, unsigned char *stbid)
5 a- F+ K9 j! ]: t - {( @ Y4 Q( t" b% c& X
- int fd, ret;( V( x \3 _; k1 f# U
- e2prom_s_cmd arg;% i P6 N9 {5 _) l A
- unsigned char buf[0x18];0 F3 E' d: v( c1 m8 ?( ], y
- # {) x! `; }6 W& x# ?5 H" u
- memcpy(buf, mac, 6); @/ X+ P9 \: r; N& n0 C
- memcpy(&buf[6], stbid, 18);
( I1 N; d- y& C - fd = open(E2PROM_DEVICE, O_RDWR);
; j( S* g+ Z# k# a! b - if (fd < 0) {6 n: i7 t, t# K0 ^
- printf("Device %s open error.\n", E2PROM_DEVICE);3 ^% S! u/ ^. ] s; @9 Q
- return -1;
/ [! ^8 |6 }) s- n - }
( [5 U" t. ^6 M% ?) |9 Q* k - arg.sub_addr_count = 2;: c! C& k" k* n F1 ~8 ~4 l0 e
- arg.data_count = 0x18; x" o5 A0 @/ i E0 H' j/ V
- arg.e2prom_cmd_sub_addr = 0x290;8 H2 |; F! u( z& J: x
- arg.e2prom_cmd_data = buf;
- M6 q* d2 |( o# X4 b# k - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ j Q6 z; d" c7 v" j( y
- if (ret != 0) {
/ B4 ^; l8 y( e& p) r! J5 v; Y - printf("Device %s write error.\n", E2PROM_DEVICE);1 t7 u6 n: A; Z# I2 u( `) Q# R+ P
- return -1;
0 N5 @* B$ b/ Y7 P* r. g - }
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- return 0;
5 {9 t: D5 I4 R2 e1 _ - }
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- int main()
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- char c;
Y9 O( ]2 V3 n9 x* H - int i, macs[6];
2 R u; x; K: ?4 q1 B* m* M2 W5 _1 d - unsigned char mac[6];
% ?; p4 ], b7 H( } - unsigned char stbid[256];
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- [7 X! L" _ M) y- if (readparam(mac, stbid) < 0)
9 ] g6 V& i1 k$ M0 m7 a3 _ - return 1;0 C$ x/ Q/ |8 Z5 s
- ) \5 g3 M% S, N& {- K7 [' S3 X: v
- printf("Current parameters: \n");, \$ I+ u+ ?* f$ X5 ]. P
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" u8 w! z0 k9 k, l l, Y
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 W) A6 |% y4 t) ?& M
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {- k4 z/ h/ q( y; g2 }) h
- printf("Input MAC error\n");
/ V+ `, G! m1 [5 R) k4 d - return 1;% i% \/ R( U @# U" f( w
- }
: D3 l0 F0 v8 M* O* f - for (i=0; i<6; i++)mac[i] = macs[i];5 f- L _- L/ H' E' k/ f
- printf("\nPlease input new STBID: ");
8 o- p$ s* @& M$ [8 m - scanf("%s", stbid);
$ K. w+ h+ i- x' S- L; d - if (strlen(stbid) != 18) {2 J- _; U+ j$ z0 b3 f. |$ E! O; J0 G
- printf("Invalid stbid\n");+ X }; E/ N( b$ Q6 n4 _. j" \4 l
- return 1;
. a: p+ e# H% d/ ` - }
1 ~. k, ]% ~: I4 ~6 p - printf("\nNew parameters: \n");; ~, v; ~; ^- S/ z+ F$ P# V- g3 J" N
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 T5 ]# h% |3 C# x& s' P - printf(" STBID: %s\n", stbid);
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7 c0 M: b% t- `' t- printf("\nDo you want to change paramemters? (y/N) ");; z1 g; R V+ x6 k% d5 ~* C# ?( l6 F
- for (;;) {" G' \7 d3 ~* e! f- f
- c = getchar();
3 N( Y; X6 J% A. Y. t - if (c == 'y' || c == 'Y')
. ?' V6 Z% E7 B& u3 L5 x - break;
# L+ F6 o. l: K1 i - if (c == 'n' || c == 'N') {
) Y8 l5 q7 c' e2 C9 i* q* ]9 j - printf("\nAborted.\n");
8 B) z' j; Q" F; Y0 W/ Q - return 1;6 j) ~3 y5 j& i
- }
1 ]# y$ U/ C+ `4 D. z( j; _3 @ - }
, |: k4 Y) i; E& ~ - if (writeparam(mac, stbid) == 0)
% \2 Y7 s; k+ s8 v { - printf("Parameters changed.\n");; T2 I6 t4 ^, K% G* W: \. f
- 0 W, }8 W: y2 [) \
- return 0;8 u5 E4 W9 |- q8 }2 J5 ?/ I, P6 P
- }
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