本帖最后由 0522 于 2012-3-21 23:04 编辑 . a0 R- Z0 R+ |" E9 M
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修改的代码早有了。到今天不会编译。
. t5 r% j/ \2 h) @+ {" P' i需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>5 z4 G. F& [' C) Q/ p6 |3 _: H
- #include <malloc.h>
6 e/ f& G( ]+ M - #include <sys/types.h>
x. {) l* R5 m) S9 Q3 Q: o - #include <sys/stat.h> m& d$ e4 n& i
- #include <sys/ioctl.h>
7 b7 H$ ?; y+ b2 {; R$ `( l" M - #include <stdio.h>
; X( ]% E- d7 z2 r0 |4 V - #include <string.h>
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2 G# U G* M5 O& W8 U* m/ o9 \- typedef struct {3 M3 I/ G/ Z: h3 O% `0 t/ i4 }4 u2 S
- unsigned int e2prom_cmd_sub_addr;
7 J! ^: r, X" v: F. E1 P: x; i0 W - unsigned int sub_addr_count;
2 V8 K1 j) F) A. L3 D9 ~! r' m - unsigned char* e2prom_cmd_data;
: S3 v2 {8 N6 x: p - unsigned int data_count;5 ~0 b6 y& n% ?. H' L4 S$ ^
- } e2prom_s_cmd;
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. v$ Y" V$ Y' ?6 o: C, W- #define E2PROM_CMD_READ 1
. Z+ ^. H3 c. g- d8 E) G; C. {! H - #define E2PROM_CMD_WRITE 21 c) h. a' F5 O+ f4 x. N c
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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; R1 z3 s& o1 S4 F0 j& x4 |; E5 Z- static int readparam(unsigned char *mac, unsigned char *stbid). d2 N3 h% g z, T
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- int fd, ret;
' b6 L3 {8 E9 o& q) l) x9 a1 J - e2prom_s_cmd arg;" }4 Z5 B0 c5 y* Q: u1 o
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);8 m) s- v. N3 _3 r, v ~
- if (fd < 0) {
0 g, [' b% {; Z3 ~ - printf("Device %s open error.\n", E2PROM_DEVICE);7 y) M# O" X: H# a( o8 k; P' c
- return -1;
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- arg.sub_addr_count = 2;" V4 k# _: s/ y, K8 _" S8 ^
- arg.data_count = 0x18;+ @+ |% L; I$ {& c- U' W2 @& D
- arg.e2prom_cmd_sub_addr = 0x290;9 m& ?* n2 T6 W. ^; \8 _7 T F
- arg.e2prom_cmd_data = buf;" F( R+ H" ^ [9 x3 e) |: \
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 B5 j' A1 Q: J
- if (ret != 0) {
7 t' K. g( g; ~& [2 | - printf("Device %s read error.\n", E2PROM_DEVICE);: M. A; f$ }0 f6 Q" u' U
- return -1;
# O0 |( S8 v. V7 v# \0 r; D/ f - }
( _8 s- O4 j5 J& M4 r0 D1 C - memcpy(mac, buf, 6);
w' s. d/ [8 h3 j' b - memcpy(stbid, &buf[6], 18);* V9 [' Q/ Z. d: [# I! H1 r+ g5 w
- stbid[18] = '\0';9 o+ K5 x$ c9 f0 j; N/ V- U0 Z# x
+ O6 q: a6 R; U! W' P: i+ B- return 0;& i; B1 x. N" V; i. D! a
- }
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0 {/ M" ~* H% A- static int writeparam(unsigned char *mac, unsigned char *stbid)0 L# L1 \! [, C3 S( A% I6 f
- {
8 _3 O2 d Y/ [9 U - int fd, ret;
* |0 [ P& m2 d- f - e2prom_s_cmd arg;
, J/ w! P5 [1 H8 R' G/ _5 U - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
2 u- }- m5 c& C* E - memcpy(&buf[6], stbid, 18);
: @5 p' x9 K% O5 q3 _# o - fd = open(E2PROM_DEVICE, O_RDWR);
\, b, W% o" w0 h: \ - if (fd < 0) {
$ ]+ h: B+ m2 f( E6 m - printf("Device %s open error.\n", E2PROM_DEVICE);( p0 M8 T: i% W3 |( ]) X4 X
- return -1;
6 o* h% j$ m, V" P9 _0 c- O9 W% n: w - }
$ c r9 t/ _4 i0 r0 S - arg.sub_addr_count = 2;+ ~1 E8 w1 y- I$ K
- arg.data_count = 0x18;0 k6 _$ {' e6 i; H q' P
- arg.e2prom_cmd_sub_addr = 0x290;
3 Z8 p8 T& R$ d - arg.e2prom_cmd_data = buf;
: T3 D6 Z4 _" R6 c# I8 l* z; H - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);8 p4 Z2 V2 }" u3 c
- if (ret != 0) {
3 b6 `, ~0 D6 H _. V - printf("Device %s write error.\n", E2PROM_DEVICE);
" t% Q7 o, F+ Y7 K: @' z. S4 |+ { - return -1;
6 h% c' J" t( S+ F7 y3 G5 }0 ~. b - }
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- return 0;
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- int main()
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- char c;$ g+ d% Y i( K {. l/ t* l5 k
- int i, macs[6];0 B1 K8 V( X( w! n2 N, X+ m
- unsigned char mac[6];: O( Z; Q* c5 S( G8 X& v. _
- unsigned char stbid[256];' [6 M& C7 z3 v
- / `, y& y) A4 t: s: b9 f, R
- if (readparam(mac, stbid) < 0)
. `+ T0 e" d9 d - return 1;# n; j6 H# U( {' V# ] E
/ |# w$ o3 n7 p- printf("Current parameters: \n");) O& Z4 S) Z' l0 o1 Z% {
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 r2 Y0 i x! S i' j: w- `
- printf(" STBID: %s\n", stbid);- G( \5 F4 ]; [% n
- 9 @9 |& ]4 @2 L, ]" g& o
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");( C% ?) E* n( _9 Y! G
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {" q; r- P; v3 B3 l9 {9 |
- printf("Input MAC error\n");) @* f$ T! c1 \+ r, y
- return 1;
8 z! Y9 O! s1 ]0 j$ _* ^ - }
' y: ^( i9 v: f- S - for (i=0; i<6; i++)mac[i] = macs[i];
! s# M* z5 a1 k# z( x - printf("\nPlease input new STBID: ");; [# }. e# z D
- scanf("%s", stbid);7 R# O" g! e/ k* F) k9 E: h. N
- if (strlen(stbid) != 18) {
" g- t/ M9 _: \( E% R - printf("Invalid stbid\n");
! n8 L& D0 O1 h' L* l8 i4 \1 d - return 1;6 I5 c3 A& n$ X0 {" f
- }
5 x- i& }3 O" u$ {! A2 e& y0 l; L - printf("\nNew parameters: \n");
5 ~& ~) T7 L# T0 S# w1 } - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- ^- T* E. I- e% V1 L - printf(" STBID: %s\n", stbid);
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. i% ^5 F0 Q3 H9 ^- printf("\nDo you want to change paramemters? (y/N) ");* e, X; f. d* Z( t
- for (;;) {: p& [) Y: e2 M5 h" q
- c = getchar();
& @) F8 s; w7 o7 o3 T - if (c == 'y' || c == 'Y')3 v0 e* F' n$ m, ^
- break;
$ z6 ~3 r- w: p6 M8 ? - if (c == 'n' || c == 'N') {! k- p1 i+ x1 b
- printf("\nAborted.\n");8 a# @ A% Z/ b
- return 1;3 M( X: D4 q+ Q% b2 V# c# u3 {
- } ~8 u, D3 _) K3 } R! s: @9 h
- }, @6 M# v/ F# l
- if (writeparam(mac, stbid) == 0) 3 @1 ? ?. }4 P8 v! r% {$ X2 Z
- printf("Parameters changed.\n");; Q0 i% _9 E4 r: T9 n5 n) S$ m
, {8 [6 w. D% P1 O5 H- return 0;+ \/ v, [# E" o" m$ P$ p" S5 q
- }
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