本帖最后由 0522 于 2012-3-21 23:04 编辑 + S6 r- \. z" W6 [( G, c
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修改的代码早有了。到今天不会编译。
# W0 G }# ?7 p4 J& r* m需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
R$ Y$ t) _2 j" b y - #include <malloc.h>
* v; Z4 n/ ?) F - #include <sys/types.h>
5 d( K8 a r: O$ W1 y+ @( w - #include <sys/stat.h>; b2 C8 w3 w$ s- |8 [+ w& ^) O
- #include <sys/ioctl.h>
# @: Y- f2 c0 ]! x& o2 h+ | - #include <stdio.h>. y" x- T0 S" V: w% b/ U) G% U
- #include <string.h>1 {1 U6 w4 T6 h% Y
; Z& F. \5 V& a3 ]6 A* p4 p) Z! M- typedef struct {. P2 O4 w' v; x* \% p( c
- unsigned int e2prom_cmd_sub_addr;( Z1 O' L5 I& N5 U8 Z* s
- unsigned int sub_addr_count;2 K, k1 o4 Z* o9 s
- unsigned char* e2prom_cmd_data;/ t2 r/ E1 K2 t5 S9 f. j& I
- unsigned int data_count;
- v' ?7 ^8 P, ~: L - } e2prom_s_cmd;
# }! N9 M( b2 U( u" r7 @
" Q+ W# u( q( B$ m1 O: E8 A4 j- #define E2PROM_CMD_READ 18 u& Z' _7 w+ @ Q+ z
- #define E2PROM_CMD_WRITE 2
; ~. J6 ^+ E" Z - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 y7 @0 S& x" P
- 6 d7 ^. F4 [$ e% J# c7 g! T
- static int readparam(unsigned char *mac, unsigned char *stbid)/ E1 H8 \- G" y" k/ j% R% v7 m
- {
3 g* X' V5 |. }0 Y - int fd, ret;1 {1 ]1 ]7 K& E1 l" [5 e9 p
- e2prom_s_cmd arg;
3 A+ c. e9 O2 E8 h5 C - unsigned char buf[0x18];; G2 i) u$ j6 W0 J/ e
7 t. F7 P& |% q8 o- fd = open(E2PROM_DEVICE, O_RDWR);
4 F) o: b5 x3 m! s1 H - if (fd < 0) {
6 p$ b/ S# ~8 C3 e- \ - printf("Device %s open error.\n", E2PROM_DEVICE);0 |. ~5 B; |/ P3 G5 z4 {3 \
- return -1;
( t/ q0 L3 O" c! C - }
! @& Q% Y2 O8 V" a/ Y - arg.sub_addr_count = 2;
' @ w( e+ ?8 A& x* O, R5 f+ C+ j - arg.data_count = 0x18;0 `& X) N* a. u
- arg.e2prom_cmd_sub_addr = 0x290;
9 q# p/ x9 M- B3 P, r* A: [! d - arg.e2prom_cmd_data = buf;
8 Z1 o) T* Z% ?+ _: ~ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);7 C& _6 a0 E/ j- T& |8 J& h
- if (ret != 0) {
0 a& _* j/ ]0 r7 G2 o( [ - printf("Device %s read error.\n", E2PROM_DEVICE);; H3 J% y B% S
- return -1;4 w# K' N$ G2 Y2 S0 I
- }* o/ i* z9 x( U) [ m/ X
- memcpy(mac, buf, 6);( v0 H& U# \, o& ^$ D0 X$ W
- memcpy(stbid, &buf[6], 18);
1 S# K6 K( v: `4 U - stbid[18] = '\0';* L! S' T; c% ]/ T' E! \& {
+ j/ U! s2 i! n" H3 G8 J: o2 W- return 0;+ V3 d- ]0 r: y7 P
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)( Y5 {- y( V8 R- g O3 b! O9 r) Y
- {. D: w' w u1 t% ?" Y
- int fd, ret;! \9 b- g! V; `% R
- e2prom_s_cmd arg;
% {6 \- W* B: O+ b* Q0 l: _. Q - unsigned char buf[0x18];7 M' q+ L+ W1 X7 ]5 y% u
- 8 l& c- L+ w* M0 T- b
- memcpy(buf, mac, 6);% I/ L) N: _" ?7 D! l+ O9 y
- memcpy(&buf[6], stbid, 18);
# T* [& e$ ]1 U/ F - fd = open(E2PROM_DEVICE, O_RDWR);
k! @0 _0 H, J/ y5 s/ ]1 ? - if (fd < 0) {
/ P6 M( d; @' ?4 ? - printf("Device %s open error.\n", E2PROM_DEVICE);6 v W( n8 r9 w6 b
- return -1;% o* T; ^) d1 V: Z- f
- }! f7 ^9 p( m* i9 x+ j9 s- F6 a8 S
- arg.sub_addr_count = 2;
4 [7 M& y; T9 b: t, T# H q - arg.data_count = 0x18;
- U9 h2 p- R0 ]) e - arg.e2prom_cmd_sub_addr = 0x290;/ T# t& D3 e7 |! U' G
- arg.e2prom_cmd_data = buf;
6 S' p6 |2 j3 r+ M2 a" I/ K' h - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
8 o$ a" ?; R6 r% R9 I* | - if (ret != 0) {- ]& |/ `) i. u; Q+ K) Z* O5 @
- printf("Device %s write error.\n", E2PROM_DEVICE);! H! L- w4 ]" d+ C u& {" p7 @, |0 d
- return -1;4 U2 v/ d3 f& b
- }# f( n2 P+ B7 V! \) n; J) c7 S
3 N# P' S: E9 U. Q- J' T- return 0;5 [- `- w. o. }4 Z4 J
- }) H& h, w; T) D1 f; [% y, O# F
4 b. u: \/ a3 P* T- int main()7 r2 ]( R1 \3 S* @0 w
- {0 B+ S I( C! Z" m
- char c;
" d4 p- N- e2 Q4 H4 Y# o - int i, macs[6];: ~0 N# C) Q1 R6 G2 ?0 _
- unsigned char mac[6];
. x- t" P5 |4 k2 W0 @3 z1 \! D - unsigned char stbid[256];3 b& V% c$ m1 e, q% x8 X' u: s, F
. S% T2 k/ h, a6 d$ v' j1 r- if (readparam(mac, stbid) < 0)7 @" [4 ?8 l8 t0 F! C4 C0 N
- return 1;5 T$ h9 o0 N% Z
- , ~- ~7 u% W( y0 y: ~4 h
- printf("Current parameters: \n");' Y0 w; k9 Y9 P. X# J9 l
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 J1 l9 ^3 _9 S' i" N: p+ c
- printf(" STBID: %s\n", stbid); e b5 N+ A8 V, \8 L
- ; Q- \% f5 v% {1 x7 Z" {
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");, A5 G7 q6 l- {( ]2 v
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
" P3 W3 E. D2 w' v. |5 o - printf("Input MAC error\n");
1 }# Y' K2 C7 Q! I3 _% n - return 1;
" _- A% a+ c4 n' D& {& b. j6 ~ - }
9 C9 }$ _/ n2 x5 I - for (i=0; i<6; i++)mac[i] = macs[i];
" f, g# k- S# j& X m - printf("\nPlease input new STBID: ");8 E$ f1 e# O4 x
- scanf("%s", stbid);
4 |6 h/ |- {$ P - if (strlen(stbid) != 18) {
9 V# c# `5 B1 q) l& X - printf("Invalid stbid\n");
) }6 p% e+ [# ~7 i& j# m - return 1;
3 P3 p- ^9 ]/ @; K9 B - }& _/ y6 n$ M. `% |2 o* B4 R
- printf("\nNew parameters: \n");
7 ~+ o4 p% ~& e: n) i3 ?/ v8 l$ U7 a4 Z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 v& G$ Z( l) Z, w - printf(" STBID: %s\n", stbid);
: V+ l( u. y4 k - ; g, s) S7 \, t! W8 F2 @* D
- printf("\nDo you want to change paramemters? (y/N) ");2 O1 X, v; }$ Q
- for (;;) {
8 d. [- k' `, R9 [* o - c = getchar();: \" E% f; Q, X0 U! b% m
- if (c == 'y' || c == 'Y')
; A6 B: O% q0 \9 t9 N - break;
" H9 W4 P4 A o/ b* t( S0 \9 X - if (c == 'n' || c == 'N') {5 ?" L! K9 L" [: P2 ] I3 O
- printf("\nAborted.\n");
% n" d/ y( y8 a* D, ?- W3 T5 q - return 1;9 j) ~: g6 @6 y0 o1 B$ Q5 P% X
- }- e g0 J; W9 V' w2 t
- }
0 q5 m, G& b/ T$ W - if (writeparam(mac, stbid) == 0) 3 ?& S! P. T6 }! z; ]0 t
- printf("Parameters changed.\n");3 Q" p1 z! X1 S/ X" {- i. b
- $ x- I7 x7 S1 O3 k8 z% G
- return 0;
2 Y8 r9 [- W5 A8 ^ - }
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