本帖最后由 0522 于 2012-3-21 23:04 编辑 # p4 }: G) r$ P4 r& G t
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修改的代码早有了。到今天不会编译。
) x/ `7 V3 c' D1 e6 H2 {2 P需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
8 F0 h" K6 \3 w' ? - #include <malloc.h>
5 e& c9 p& r7 o5 z" u# K - #include <sys/types.h>
/ [. d- L9 w: b$ e0 x - #include <sys/stat.h>% q. X v/ _7 C
- #include <sys/ioctl.h>
3 Z7 a% u: U" X% {1 w - #include <stdio.h>$ c5 a& |1 u" V Q
- #include <string.h>
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- typedef struct {& O# C+ Z9 j/ j" A# G/ C/ `' ^, L3 T
- unsigned int e2prom_cmd_sub_addr;
0 _# h2 T. q/ n! } - unsigned int sub_addr_count;
: I0 J4 k' l8 @# [2 l. p0 M' ? - unsigned char* e2prom_cmd_data;( a3 Y; U* A% q3 r) V
- unsigned int data_count;
) ^* H" [" Z) k$ R! L - } e2prom_s_cmd;+ I. ~) U- l% g
- 7 r$ u+ @5 K. e) b9 J
- #define E2PROM_CMD_READ 10 B: `: F6 l: n
- #define E2PROM_CMD_WRITE 2
( N1 D; W7 q* {" F - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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# f) \. l' m4 j0 G0 R B1 e* Y- static int readparam(unsigned char *mac, unsigned char *stbid)+ c1 ^0 R7 i" a$ a
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- int fd, ret;
& ^! g4 {7 V$ j9 O$ {; | - e2prom_s_cmd arg;; M5 r0 ^- e. D. X) l: \* b1 f
- unsigned char buf[0x18];
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; R' G+ a1 u5 p- k( z0 a- fd = open(E2PROM_DEVICE, O_RDWR);
: k7 q( Z1 n% n' X$ ^( _ - if (fd < 0) {5 c. f; [1 U6 v1 d: D) ~
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ R6 z9 ^/ e( m8 r' d4 V: T - return -1;+ T" ~) d8 H" Q) M& p& n
- }
( k$ X) K, X% i3 X - arg.sub_addr_count = 2;5 G( A8 g" G& T! ?/ D. O$ J0 u9 I( A
- arg.data_count = 0x18;5 E! s; A" @* D( O# N y
- arg.e2prom_cmd_sub_addr = 0x290;
# a/ Z0 `1 [. _$ ` - arg.e2prom_cmd_data = buf;' T/ o7 o* R3 E2 _$ i4 R5 E4 b
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
. {; R, D% d" i - if (ret != 0) {
- s1 d; y! H' T7 K - printf("Device %s read error.\n", E2PROM_DEVICE);" O8 g" k9 i$ o$ }
- return -1;
+ s+ a: z1 M1 N3 s0 H) P+ E9 @ - }
~+ U' C- [1 z - memcpy(mac, buf, 6);* ], O& q* ]# n$ Y4 A
- memcpy(stbid, &buf[6], 18);
/ W* D2 Y, U% G! X - stbid[18] = '\0';6 ~$ ?, Z3 @) T2 K, G4 `
- $ Y: I" ?) s& Y, e0 C3 e( Y
- return 0; L# i' n4 @; \5 v/ B
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
4 i/ S3 [0 k- G$ l4 t1 X* y - {% T3 n- I4 r+ s' N, j
- int fd, ret;# _2 g2 U# e7 L9 f1 b7 z, B* k& H
- e2prom_s_cmd arg;% d. S7 C: b; a. V1 V
- unsigned char buf[0x18];
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T) m8 F( h/ k: o- memcpy(buf, mac, 6);; t, q4 e/ ]# v# \
- memcpy(&buf[6], stbid, 18);
$ e" n" \, `0 ]. s; W! s - fd = open(E2PROM_DEVICE, O_RDWR);" E9 O2 S2 P& N
- if (fd < 0) {3 Q; c% d$ Y; k1 H+ g0 y
- printf("Device %s open error.\n", E2PROM_DEVICE);3 s1 p% R" x& f0 u- n
- return -1;" }. z4 w8 D, i ~% {
- }
# A) M& F/ g: `1 A8 h - arg.sub_addr_count = 2;9 m/ e5 c0 W, L7 L" Z1 W5 r$ l
- arg.data_count = 0x18;) V/ O; J. a9 P
- arg.e2prom_cmd_sub_addr = 0x290;
6 Y- _: n i' ^, c- `2 l. P' z - arg.e2prom_cmd_data = buf;7 D) C4 ]6 V5 j( e# K# h4 R( s* }1 m* f
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);5 `8 q# w, L* V8 a Z& s4 s
- if (ret != 0) {
3 v% i9 |% ?; ?' L0 f - printf("Device %s write error.\n", E2PROM_DEVICE);
" I6 f, J" T; a$ Y& l9 k9 E* X( ] - return -1; h5 D# Q" Q' i8 e
- }; g$ R6 S& R/ C# E% j; I9 d
# B5 F3 h# `7 {. t+ t7 Z- return 0;
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, Y8 a% K$ O) ~4 f% q- int main()( _9 M7 D5 t1 A3 O. B9 }7 W; U
- {3 t! M! ?1 y* a
- char c;
t: D+ t" b, B - int i, macs[6];
8 R- `$ ~( a# j/ ?. y - unsigned char mac[6];3 E3 f7 j6 K$ o4 r7 z1 `
- unsigned char stbid[256];
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5 `2 j s- n" l' j- if (readparam(mac, stbid) < 0)4 W7 j2 k! O* `0 v" O$ M' f
- return 1;
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- printf("Current parameters: \n");6 y# R) t5 u9 P' s2 K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# a& f R3 s6 S: k U
- printf(" STBID: %s\n", stbid);
% \9 V8 w8 j& l$ b" _9 p8 q% g -
/ V% G9 N' a X0 k - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
2 g% x, ]0 ]2 u0 A5 H% m - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {2 V$ t* G0 `$ h+ y
- printf("Input MAC error\n");" O+ {3 @9 ]" p; d7 ]. y
- return 1;
5 b+ ^6 I3 _7 ]3 H/ J$ a - }5 ~, i" s- ^# p, H2 E0 ^
- for (i=0; i<6; i++)mac[i] = macs[i];3 Y& l/ g0 H0 J/ t
- printf("\nPlease input new STBID: ");# ? x. ^9 z: B7 v/ p" d
- scanf("%s", stbid);
& V. S# Q1 d$ d. t" h - if (strlen(stbid) != 18) {5 p) W% ]: q' } E0 L% r% i
- printf("Invalid stbid\n");
1 x0 ~1 W9 {* L - return 1;8 s! b; _7 ^% c3 p; g- M/ L. T
- }
: O7 D0 W6 k8 }! g8 X# _ - printf("\nNew parameters: \n");
, P& L6 N* x2 M4 D5 f - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* K# k4 h2 p: Z+ B. y+ `4 a
- printf(" STBID: %s\n", stbid);% c7 ]3 A+ E$ X, C/ g+ I% I
- % ?, p% v% m: x0 {; P* g7 T' x6 e
- printf("\nDo you want to change paramemters? (y/N) ");
- {2 ~/ I$ q& |( E1 o. W y+ l - for (;;) {
/ l' W( J5 F- F# o7 V - c = getchar();- R2 y% s, b8 b# d; e$ d) v
- if (c == 'y' || c == 'Y')2 B, E. s; K7 K" Q
- break;4 p8 c0 u# n' p. n% y1 U9 I
- if (c == 'n' || c == 'N') {! [3 [, A- r5 _2 K- \$ M
- printf("\nAborted.\n");. G! D4 [0 k Y( |2 H% J& K: o J. }
- return 1;% k: J* R0 D& W n) s. e
- }2 F2 P9 c0 y9 |4 m
- }, Z4 x/ J' c7 _) T# Y. I# G
- if (writeparam(mac, stbid) == 0)
! l5 z1 j: _4 g7 z6 {# ` - printf("Parameters changed.\n");+ J% ~5 M/ e" ^) k
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- return 0;
1 D4 m7 @4 @, d" R - }
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