本帖最后由 0522 于 2012-3-21 23:04 编辑 4 o0 ?$ q; J5 ~6 l( q
& u1 R' d* Q! U r! c修改的代码早有了。到今天不会编译。+ w2 c3 d) I. K ?
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
3 \2 X5 {0 m! q+ a# g+ M+ U' T* K - #include <malloc.h>( \& c( h" b! S2 H/ {3 z
- #include <sys/types.h>
' j4 D( d# z# ~2 A' x' c5 [& z: D6 `( n - #include <sys/stat.h>8 b: }! W3 m+ y: R- j7 \
- #include <sys/ioctl.h>
, }3 b3 ~; O+ |6 a" v - #include <stdio.h>, ~/ s" A8 K) r+ i/ l6 H2 j6 F) I
- #include <string.h>
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" r4 c _1 W J1 T4 @9 B |8 u- typedef struct {
! e$ d" w3 w. B- M0 @ - unsigned int e2prom_cmd_sub_addr;
$ }! a7 b% V% n - unsigned int sub_addr_count;7 H: v4 O& `* }2 c+ K
- unsigned char* e2prom_cmd_data;# }# K( e% ]8 \
- unsigned int data_count;3 Q4 H0 y+ t; R7 d/ z: e# w- u
- } e2prom_s_cmd;8 L. \, E) s- L" K7 s% i8 _
- ( ?+ }! _/ O$ u9 Q8 ]6 d
- #define E2PROM_CMD_READ 1% x7 J5 O- I# i& I# r
- #define E2PROM_CMD_WRITE 2& k$ {+ I& w# {, e/ P" e
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"; a( j: e n0 x0 j$ w
- # L! o* A& c; j5 n* F& H
- static int readparam(unsigned char *mac, unsigned char *stbid)
7 N4 V' o/ q$ k6 D - {
, L( |8 `, k! P7 j1 v3 Q - int fd, ret;
( h! O7 g4 i# @: M( o3 h5 E. Z - e2prom_s_cmd arg;( Y0 b5 y2 a8 T9 ?1 f, v: w
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);4 i- N6 ]5 E. K5 ?
- if (fd < 0) {
3 l" w; i: f6 u T/ N9 X - printf("Device %s open error.\n", E2PROM_DEVICE);
A# X. t' Z& H - return -1;
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- arg.sub_addr_count = 2;
A* y6 F6 E* m+ p( E/ k# I5 { - arg.data_count = 0x18;
1 t: F0 t5 j8 K# m7 `9 n+ T9 R - arg.e2prom_cmd_sub_addr = 0x290;8 @- a- G0 a' t9 u- L" o
- arg.e2prom_cmd_data = buf;
) }# @/ A; N0 `( o - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ r. d7 j1 ?# l: ?1 b - if (ret != 0) {1 o, B% u5 Z, o+ T$ S
- printf("Device %s read error.\n", E2PROM_DEVICE);1 c5 k- @% K2 m1 G5 ?
- return -1;4 J9 O9 D, N6 {) s
- }
' ]& b1 S% f2 p0 g - memcpy(mac, buf, 6);/ K) a/ I& T, E3 m0 M/ d
- memcpy(stbid, &buf[6], 18);1 I8 Y# t6 R' |
- stbid[18] = '\0';7 x2 B5 Q; X* O8 w' G# J3 p' p
' C2 r0 K5 U% y' T0 x; _- return 0;
0 b5 O0 q' E' Y# {. V# d - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)0 Q0 v7 {2 `& \7 h; @$ F
- {' r' ]" j/ n2 r: U. t, P. J
- int fd, ret;! e2 A h+ |8 N; Q7 I7 X
- e2prom_s_cmd arg;
" @) R, ?% a# L+ m* L6 Y - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
) y( a+ X. W- M( J5 Q6 x9 }0 v7 z - memcpy(&buf[6], stbid, 18);
- { v0 q: H& G4 d) u6 s% Q - fd = open(E2PROM_DEVICE, O_RDWR);
! k' W8 T+ ]# U2 Y5 o - if (fd < 0) {; T. h8 S' _. D8 g
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ |5 D: g; }( J) i - return -1;
% t4 Z' A) C, P; A$ x& h6 M - }
7 f. Q4 t# L, s* ]9 E+ a - arg.sub_addr_count = 2;" W! d4 h9 n% u4 N6 H- R' h* V5 T
- arg.data_count = 0x18;
! m9 v0 O+ r1 r+ q - arg.e2prom_cmd_sub_addr = 0x290;/ ], T' ?& B+ Q, x+ |7 s
- arg.e2prom_cmd_data = buf;
3 R. Q+ H6 S" Z( Q: b" v9 t. p, d - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, F' V/ o1 H" \5 d/ h0 z: r" S- v O - if (ret != 0) {4 v- J' x+ n( h9 I) U# w p
- printf("Device %s write error.\n", E2PROM_DEVICE);
9 H6 ~7 x p: N! a - return -1;
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4 ^: A4 J; P6 ?* `) B- return 0;
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- 1 _+ ?! a1 j2 g$ b4 H* A/ m
- int main()4 U0 R9 v5 y, [
- {! t5 p" b' U" j9 U& x
- char c;
. n2 d$ z- Y. ] ^8 i2 Z: G - int i, macs[6];2 G, G0 \" i; ]' D1 G
- unsigned char mac[6];
# t# O0 c! C9 K( k7 X: L/ ? - unsigned char stbid[256];& B) S- m' N$ a! j0 |
% T2 e; q2 W& R L" R0 `7 H- if (readparam(mac, stbid) < 0)8 C$ L! \& M0 P
- return 1;
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9 c- K8 u9 Z) ^: T- printf("Current parameters: \n"); h% Q U5 `! ^9 m1 r
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 G9 I; f2 y* \ - printf(" STBID: %s\n", stbid);* ]) f% h: T# ?) R) Y
- ( l7 h" G( }( M8 W7 \
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
5 \0 W; _/ m; O - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) u! w O8 \2 O U8 Y! l
- printf("Input MAC error\n");
. B# s# I8 x% G - return 1;
: x8 L- a9 H% L& r* h9 z) b. K9 ~ - }
+ r7 `, g5 |4 M3 i0 l - for (i=0; i<6; i++)mac[i] = macs[i];
3 f4 b1 X# c: I0 E- J( j - printf("\nPlease input new STBID: ");" G7 `; [* s: ]- b8 o1 E
- scanf("%s", stbid);
, n/ b" r) ^: e" u7 [. R7 I - if (strlen(stbid) != 18) {) p% k: x8 p z) j5 K" `" l
- printf("Invalid stbid\n");' y2 d0 J! R. ^
- return 1;: k0 o Y5 r9 y3 Z, R6 v
- }
% g; j: m; j& M) v( v+ ` - printf("\nNew parameters: \n");
! N p) U+ ^9 G% q, t9 T3 t - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; ]8 o7 U' w# I0 N0 u - printf(" STBID: %s\n", stbid);- b( d; M* B2 C% c. B# _" m
& ^0 D0 i# j+ V r/ V- printf("\nDo you want to change paramemters? (y/N) ");
5 V+ i; M! g0 y$ k z0 S' o7 y; x - for (;;) {( ]6 i" u2 q V1 E% s2 I6 L9 Q/ h
- c = getchar();
7 t7 S# m- l) f6 }& J - if (c == 'y' || c == 'Y')
7 T5 P: e r5 q( }$ w" Y - break;7 X" }) P- T* X* A0 m% S0 v
- if (c == 'n' || c == 'N') {2 T, O. t8 g; V. N. m
- printf("\nAborted.\n");( @) H+ T0 ]- R
- return 1;' O0 G* w( E& R/ N: _7 Z. L1 P' g6 g
- }
6 h, T! ~2 O" v( r# S8 g - }
( G( P9 g0 Y7 i7 ^ - if (writeparam(mac, stbid) == 0) 7 R& W7 Z( b1 c* r* z, l7 P. T+ Z
- printf("Parameters changed.\n");
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2 D8 b7 r7 t" ^. b6 e8 Y( ^- return 0;0 |" u, }2 S" I9 F8 C. ~" x4 V
- }
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