本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
: l( r" Q% f+ m( l需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
' }2 i) }) O( Q" E z% p l - #include <malloc.h>
9 X% m7 j. i' [0 W7 Q I. `' R - #include <sys/types.h>
1 }9 \1 p+ X! K9 [" w/ T% m" E1 ? - #include <sys/stat.h>8 A' F+ S+ I* N) Z: x1 z& J9 v
- #include <sys/ioctl.h>; T- a q; B+ c. S; c8 E4 R
- #include <stdio.h>
( G* t% L1 T( N! K - #include <string.h>
8 D6 [( V: R5 [# ` - d1 t m; @2 m
- typedef struct {
5 O" D7 g* H7 ~% A; w - unsigned int e2prom_cmd_sub_addr;
- x7 O3 F" ~0 y0 }9 B2 s - unsigned int sub_addr_count;0 e5 M2 K6 c p' T- ]* G
- unsigned char* e2prom_cmd_data;
- v+ x1 _& \# l. Q - unsigned int data_count;
+ Z; m+ G2 _7 r* A - } e2prom_s_cmd;: r% X9 e$ _. c1 X
- ; l' [2 P1 Q* x0 c2 {" c5 J
- #define E2PROM_CMD_READ 1
; t# Z+ z4 o$ L4 \+ s - #define E2PROM_CMD_WRITE 2% d1 K5 v* [( m' m. Y( t
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 j5 {% S1 C e5 n* [
- 0 Q) g5 @: K; V6 ~' b
- static int readparam(unsigned char *mac, unsigned char *stbid)0 u# `* f! v) {" [5 E* x7 E; n, c
- {
6 a/ G* V6 t) _% {& x, G' N- r - int fd, ret;
6 _, g) A7 G& J% O A4 N+ n - e2prom_s_cmd arg;
7 j* F/ [7 W L+ }/ ] - unsigned char buf[0x18];1 n6 j5 m# R! y* K' p) k; C
6 E, s4 O8 a" o0 c) ~- fd = open(E2PROM_DEVICE, O_RDWR);! q" q- ^; M0 g) S5 q" `7 p" Q
- if (fd < 0) {
3 R2 q% n: E4 k8 w6 r - printf("Device %s open error.\n", E2PROM_DEVICE);1 @6 v6 F, w; }0 K+ V
- return -1;
3 c; k" f: N; R$ N0 B0 H$ j - }
5 p/ X0 P' t& \& h& q* ]& v - arg.sub_addr_count = 2;/ ]" H$ l: K- ]8 h* r
- arg.data_count = 0x18;
6 W5 G# D. u, O9 @+ r; r1 i! ? - arg.e2prom_cmd_sub_addr = 0x290;
1 w; w% R9 K6 N' V$ S4 \' s) e - arg.e2prom_cmd_data = buf;
1 P! a% I/ U+ V9 D$ P - ret = ioctl(fd, E2PROM_CMD_READ, &arg);" {# e( o( m0 X; Z& v9 R$ u; g( R
- if (ret != 0) {1 ~& v. ]$ \$ P" b0 `' v" F& Y4 x
- printf("Device %s read error.\n", E2PROM_DEVICE);, r, |" |9 Y; k, ?. _0 E C; o
- return -1;
; u$ [8 I2 K1 r( W4 q, B6 W - }$ l1 X' u& H4 a- G. `. [2 e4 L
- memcpy(mac, buf, 6);. z9 A7 i1 Z6 b' l: Z
- memcpy(stbid, &buf[6], 18);
6 p6 H; R# v7 u; }/ }$ ^ - stbid[18] = '\0';
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- return 0;
% ?; N* N+ e+ W) h$ g6 d - }
' x& X4 E) c2 X ~
6 Z* H# |/ C' b" O6 L5 N- static int writeparam(unsigned char *mac, unsigned char *stbid)! j P* S' P6 W* R) x+ M8 `
- {9 B/ [9 `& `$ H3 v* c! Z
- int fd, ret;
3 V3 _/ N* j8 }7 a& N - e2prom_s_cmd arg;
) A: n- B$ q# L+ l% d7 M8 z - unsigned char buf[0x18];
" V: ~3 _5 _" s1 i" H. e - 9 q% N- t& |: _+ y$ I+ i1 \' C
- memcpy(buf, mac, 6); @8 D4 |7 v G3 k& [
- memcpy(&buf[6], stbid, 18);
9 n1 w$ f! x; `9 ^2 L* w - fd = open(E2PROM_DEVICE, O_RDWR);! a& n+ |5 H1 D& P6 y4 i5 O2 ~
- if (fd < 0) {
2 i9 V R. g m( y, U - printf("Device %s open error.\n", E2PROM_DEVICE);
# k7 G0 z$ M- x1 H7 M ]; [1 {5 }+ f - return -1;
w: o" c& G& ?5 Y; ` - }8 M& v; q- | b2 h- b5 t
- arg.sub_addr_count = 2;
) s3 }: G9 {. U& U+ r - arg.data_count = 0x18;
! T: T6 f, R* q8 B% c - arg.e2prom_cmd_sub_addr = 0x290;' Q2 V3 Q1 [! C4 I
- arg.e2prom_cmd_data = buf;4 I9 E2 N$ J; D
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);+ h3 g0 @& b& Z0 o; a
- if (ret != 0) {
6 v# g; P: Y$ ?9 P8 o7 A - printf("Device %s write error.\n", E2PROM_DEVICE);
/ [' P; \$ ~4 [5 H# }9 K6 e - return -1;
1 q) L9 k1 M: f% \5 X - }
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- return 0;; ~/ B( a! @+ e5 N. o* ~
- }4 D* T' m* K F+ H* O
8 c# W+ q# f' h8 N# ~6 J2 a; ?- int main()
, N( d9 c/ g) w9 m4 Y0 ^ - {, @2 Q3 E; o1 c
- char c;
" k; z/ r( I* n - int i, macs[6];# `. A% \$ t: d* [/ \# h) { a
- unsigned char mac[6];+ T! I: q, U" f1 h1 g- d
- unsigned char stbid[256];) J( S$ k- C% S- u/ v% [& Z
- $ c8 }% H* L+ M1 N* x% U8 k' f. T- t
- if (readparam(mac, stbid) < 0)
( o, Z0 a, C: m3 Q5 n - return 1;
" U) G) G$ ]) O8 o3 J% Z: o - " n( J+ g$ W9 {! U* ~% A) w
- printf("Current parameters: \n");
3 @" M# x6 D$ ^2 k1 f, `! q9 l - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); O k2 |8 m" O1 e
- printf(" STBID: %s\n", stbid);1 ~) ~# |; N" l
- 9 [6 A# E" L9 }5 o% ~. N6 L
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% W0 n, x! r9 g2 b. d& U
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {1 R0 P0 w/ I9 d; b. R; _8 W% U: i7 A
- printf("Input MAC error\n");
7 E, u6 g9 X& y1 o; c& ~ - return 1;. d8 c% R+ P, p# V% C
- }
" j. N/ ]* j2 O; ]: b% Y M/ L6 ^ - for (i=0; i<6; i++)mac[i] = macs[i];6 F2 u" J2 R" Z6 i
- printf("\nPlease input new STBID: ");% }* @! L7 E+ r% E
- scanf("%s", stbid);2 i1 q+ b/ T+ Q
- if (strlen(stbid) != 18) {0 }( e* G+ S" r- y5 @& c; v$ w
- printf("Invalid stbid\n");
6 G1 B9 z6 h! Z' C4 S6 ?& D* D) I5 \ - return 1;+ S7 Y# e+ m5 M1 e
- }
. ~& J: y) |, p0 N% K" i a; ?* s - printf("\nNew parameters: \n");
; O' |" c7 W3 H8 Q1 f: U1 ~ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& y/ X7 V d- l3 k/ D# M9 n
- printf(" STBID: %s\n", stbid);
, |1 @- R+ Y" Z$ h a# K
& ?& @7 J5 H: C' M; T- printf("\nDo you want to change paramemters? (y/N) ");
! R+ k, V" Y# ?6 U' c7 @ - for (;;) {
% \2 e0 ^0 J6 o* o - c = getchar();
& l; J l4 {0 a ?& |% M' o - if (c == 'y' || c == 'Y')- O4 E; r4 v: F6 L$ k8 e% ~0 x
- break;
2 [2 I7 T" o" A% I4 D - if (c == 'n' || c == 'N') {
* S; q& P6 d/ Q$ W - printf("\nAborted.\n");! R' O" s& ^* D% f" _9 G2 G
- return 1;
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- }- B; j2 J! S3 _1 p0 ~' {
- if (writeparam(mac, stbid) == 0) 5 i5 t# @; N: j+ V
- printf("Parameters changed.\n");
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- return 0;
9 P" A7 {3 z- r/ I7 t0 h( F - }
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