本帖最后由 0522 于 2012-3-21 23:04 编辑 + U; e$ F- a r# ?/ A
0 y: T8 r, y0 y修改的代码早有了。到今天不会编译。8 R$ U* \3 [- o
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>5 y; n! g p; F C1 D
- #include <malloc.h>
7 M/ S/ a8 V; M% R g; | - #include <sys/types.h>
+ b# x! `9 ?+ h/ ` - #include <sys/stat.h>
' p4 \$ k" U; r* G9 | - #include <sys/ioctl.h> Q) N2 N) W7 Z! E( f1 ^* v
- #include <stdio.h>
5 W/ f5 y- O" g% W/ a - #include <string.h>
% w5 ~. r: j; q( ^
) g8 k& t3 W+ n1 @$ R- typedef struct {) q$ U) z" ^% g2 o
- unsigned int e2prom_cmd_sub_addr;
. s5 i5 p# ?! M( G1 V3 S - unsigned int sub_addr_count;. e1 \$ b7 l5 s( U A" a# P
- unsigned char* e2prom_cmd_data;6 C4 N- N4 S# ^+ c
- unsigned int data_count;
2 c# D: g& l. n# p6 m4 g - } e2prom_s_cmd;
1 _; B, C) V% M, t) O& x) ^ - & O+ b" j Y# _# C" a
- #define E2PROM_CMD_READ 1
7 q' ~1 R7 C9 B6 U" a: b" e - #define E2PROM_CMD_WRITE 2
7 s- \4 D q9 B6 ]* b# V - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
% t0 ]4 n% k& z9 A - \: }" Z4 [' w: T/ ^
- static int readparam(unsigned char *mac, unsigned char *stbid)" e5 z" W; _. K6 s& [' W1 s
- {
. C }' |' c; H& P - int fd, ret;! v u$ q# j/ c4 F, |+ e& b
- e2prom_s_cmd arg;( {2 Z" D& E @5 q
- unsigned char buf[0x18];' }7 X# w ]/ K2 K' u! K3 |
; e& j+ q5 N4 H( P- fd = open(E2PROM_DEVICE, O_RDWR);
* q9 T) F5 T k* `6 |1 T# z+ m - if (fd < 0) {. n) M/ |' j; ^9 B5 |/ m
- printf("Device %s open error.\n", E2PROM_DEVICE); K5 C* l& \, P1 E; d* N. [9 i* s
- return -1;
+ i* Y. y% c, o4 F, R - }
; n' e/ R, f, A1 z - arg.sub_addr_count = 2;
; i) {4 P$ \# ^1 [) K5 s7 o' J - arg.data_count = 0x18;
/ i+ n: e k1 Y7 S! G - arg.e2prom_cmd_sub_addr = 0x290;
8 t( P' T1 i5 _7 X& I+ U3 ?3 ? - arg.e2prom_cmd_data = buf;& d6 i2 V% w! p/ H
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);, I1 o' g' \0 ^: Q5 {! {8 T# F
- if (ret != 0) {. Z* u, t3 n% H' e' E$ G' x; h
- printf("Device %s read error.\n", E2PROM_DEVICE);; o0 s1 V# t: l
- return -1;
7 C% [, ^2 U+ S# y5 T - }0 ]2 v1 @- J+ C" `0 F2 @! p
- memcpy(mac, buf, 6);9 `1 ]$ M& b& [9 n! Y
- memcpy(stbid, &buf[6], 18);. W. g7 q# i8 l) @1 y2 ^
- stbid[18] = '\0';
/ u/ y( o* o0 t" l3 _ - 4 q$ h6 T7 A4 x1 O. \
- return 0;
8 u7 J6 I+ Y' [ - }
; L# f* r6 \% }' v! U, o( T9 l, l
' Q" H4 a1 h+ }% G" }. Y- static int writeparam(unsigned char *mac, unsigned char *stbid)0 c% H; G* e# P: ~) v
- {6 E* a4 b+ N T# Z2 F5 g/ p5 u
- int fd, ret;6 x/ P n5 E9 m" v5 B
- e2prom_s_cmd arg;
( s k2 E! l3 G) ~- {% S. ? - unsigned char buf[0x18];
+ J. w) j+ L4 B8 `
' ^% p N+ A$ s- E8 e6 X- memcpy(buf, mac, 6);8 c9 a( h9 k( @/ `
- memcpy(&buf[6], stbid, 18);- z7 A5 |* W( s C/ i6 {( F5 ~
- fd = open(E2PROM_DEVICE, O_RDWR);5 e( e& a& v1 P6 J8 L
- if (fd < 0) {
% Y% q; A% l7 s/ B; r - printf("Device %s open error.\n", E2PROM_DEVICE);$ f( x% f" k! s+ F3 g. @# Y$ H+ r
- return -1;
9 ]! @4 e# E k/ m - }
, A" I! F# H# U, P! G - arg.sub_addr_count = 2;
# z8 \3 y! n5 j: [ - arg.data_count = 0x18;
Y" s9 ^! e9 j8 H! T _ - arg.e2prom_cmd_sub_addr = 0x290;
9 q4 b$ D' c) d+ X) Q - arg.e2prom_cmd_data = buf;- h" J; d* \! O0 l5 v
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 P& T( m2 q/ |& O* `5 Z8 G" B0 `3 c
- if (ret != 0) {
0 ^% R8 s( I% ~' s' E: n - printf("Device %s write error.\n", E2PROM_DEVICE);3 [- X( u9 w: H$ y1 U
- return -1; s1 f5 i7 S$ F0 k: L, E0 L6 _
- }* }# i8 k: |; E4 o! w
9 r9 x- x( O7 \ [5 G9 T. G- return 0;" H- S' J( [/ z# D: l4 L
- }$ t D' n8 L h& D+ h5 ~
- 5 l% {. o. R G8 D. Q5 F
- int main()
) s4 X: S$ q1 O; _( [ - {0 T$ u+ b0 Z7 W5 r( h9 g
- char c;
# L2 X; y. |7 U' r% h - int i, macs[6];7 z2 ~: V! O3 @: w* ^; J/ B2 Y
- unsigned char mac[6];1 m& _; }5 E4 ]/ {& W
- unsigned char stbid[256];7 y( D3 f* I0 i8 C' R+ X2 ~
- 7 S, G" Q$ o9 u; |6 E& `/ L
- if (readparam(mac, stbid) < 0)
( e2 y3 m) W% g& _6 y - return 1;
2 g: o5 R( P) c; k
6 M( M& b7 g$ E" t1 Q- printf("Current parameters: \n");; J5 c5 K1 X$ q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 p3 N1 I4 q0 a
- printf(" STBID: %s\n", stbid);, S5 |4 q2 R; T
-
6 R' p6 p i& Z N1 s - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
1 D7 h) y0 r. z8 q6 s: v+ A - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
+ ~5 Q' o+ j) N5 p; ?4 n% B1 I - printf("Input MAC error\n");
; N7 L5 x1 [% W' P; w - return 1;1 r2 A& i! M9 X& [
- }# f0 p$ K4 b6 [* w2 D& q+ [. V. W y. t
- for (i=0; i<6; i++)mac[i] = macs[i];! M0 B$ `; X# q
- printf("\nPlease input new STBID: ");
# l" _9 X( {/ S R- _ - scanf("%s", stbid);# Q6 j5 s3 t$ t! Y
- if (strlen(stbid) != 18) {
4 D2 J! L3 Q, R5 B - printf("Invalid stbid\n");- ~7 D3 U0 |3 t# P/ U" f8 U: Q
- return 1;
8 e C$ [8 I$ M' Z' w0 x. m' H - }3 K- ~* `$ i. ?" I0 c
- printf("\nNew parameters: \n");5 L8 W5 d) J, k: Z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( Q' d. U3 y. S - printf(" STBID: %s\n", stbid);
+ ~7 ^9 o" H5 ^ - _6 \9 S& Y; ~. p) o
- printf("\nDo you want to change paramemters? (y/N) ");
% T$ ~! F! I# g) T4 @ V9 G - for (;;) {1 Q% |3 c+ \ j S" Q! ], }
- c = getchar();
d4 ?; O" C) m, _3 \$ m' P - if (c == 'y' || c == 'Y')
7 s5 N$ o) o4 g( p) l1 t- h - break;$ T0 h# ^9 c. L
- if (c == 'n' || c == 'N') {+ I- C, Y- v0 {6 C
- printf("\nAborted.\n");
* C3 t* L4 Y% o - return 1;# h5 A$ T$ V% ^7 S5 D3 a
- }
4 v( N# p1 K- G. d4 p3 t - } S% m8 C- O+ W; j' Z1 }
- if (writeparam(mac, stbid) == 0)
# f; o0 _5 }6 Z1 k, w, B& F - printf("Parameters changed.\n");
+ \6 y& M3 s; S T& Y# L/ A0 |
/ R y9 n# j, _7 ]- return 0;
) i& r0 Z1 j, k! G# H; ?" k% X - }
复制代码 |