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。/ S- _5 e- m$ c, e: l7 @& V8 X$ @
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: j4 ?/ T1 N' Y q* W9 w# V6 H
- #include <malloc.h>3 J/ Y. q, D$ k* W0 y
- #include <sys/types.h>
. j* {7 L" F d- ~ - #include <sys/stat.h>
: ~ S+ i9 y& ^* L - #include <sys/ioctl.h>
2 F6 J0 M7 }& I0 U - #include <stdio.h>% s! Q8 V. m# H; w5 m9 K9 x% T
- #include <string.h>
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- typedef struct {; u" B& q4 j1 p( `
- unsigned int e2prom_cmd_sub_addr;4 P" B' Q% z# n
- unsigned int sub_addr_count;
E/ p# f+ K- L# Z - unsigned char* e2prom_cmd_data;1 ~' `) D# T2 p) U" _
- unsigned int data_count;' j8 ]4 ?. y) x" x. L; W# G5 ~( `/ V
- } e2prom_s_cmd;" Y# ?$ ]7 L: i7 t0 U9 h
P" }) h/ M) t" [6 P w1 B; `- #define E2PROM_CMD_READ 14 S$ U) C) c; |3 H6 P4 C7 ~- I, W
- #define E2PROM_CMD_WRITE 2% e J$ I! ^- V" E1 o, f- D
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"" N! v0 O; F% q' g n q' N
! ^$ w P9 q* V$ d9 S- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;4 }3 @1 q! G- G
- e2prom_s_cmd arg;. q- A4 p8 D# B1 z& C% N% _
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
# y5 G% c6 P% k, @4 s' T" U2 Z. D - if (fd < 0) {6 {9 c5 f' n! i1 p* A; u
- printf("Device %s open error.\n", E2PROM_DEVICE);
6 e* H9 k# C; ~" o" w) {4 H - return -1;4 | R% [7 n* H4 J# w* @8 g d7 q) ]
- }
: ?+ u) x" U* f2 @; X$ H - arg.sub_addr_count = 2;
$ p) g, D O. p* L. m, D - arg.data_count = 0x18;9 R- S0 r$ s6 E$ y: [) V2 Q, @8 G0 p8 e
- arg.e2prom_cmd_sub_addr = 0x290;
5 k6 q. d j& `7 i( ~" d - arg.e2prom_cmd_data = buf;0 A; B- i$ x* G
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
( ~" A5 L q* p# ]. _6 H. } - if (ret != 0) {
. U, W# |# ~! _! N# x* Z# c - printf("Device %s read error.\n", E2PROM_DEVICE);
& G5 a" t) r! d- Z2 N - return -1;! T5 b9 S1 k1 M; v! l4 W
- }
: Z5 ~/ t( ^2 `0 x- E9 j* m - memcpy(mac, buf, 6);
P& @- a7 y4 r* ^$ T/ I/ e - memcpy(stbid, &buf[6], 18);1 U- k' o( {# e: l1 Y$ r
- stbid[18] = '\0';! N1 Y9 R& c7 L! Z0 {/ V
1 t8 B' C2 k: {- O/ [( Y `, `- return 0;
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8 t* s$ s& ?3 q O: e( y( ~. {* P) i- static int writeparam(unsigned char *mac, unsigned char *stbid)+ X# ~& N0 r- G: m( ~* C
- {
. {4 Z8 o2 Y3 x1 Y. S: `) S - int fd, ret;% z/ ^( a& q( r4 F
- e2prom_s_cmd arg;
$ _4 F( t5 u& A! V; l/ ?; ^' S - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);6 |: ?5 T& x' E8 ]# i
- memcpy(&buf[6], stbid, 18);
) h8 @9 A1 _2 A" ^$ K. y - fd = open(E2PROM_DEVICE, O_RDWR);5 `3 f- [1 ]; ]5 O; w# J0 t5 O& w' V# N
- if (fd < 0) {& g4 g0 J1 N, M$ v3 C8 A
- printf("Device %s open error.\n", E2PROM_DEVICE);4 e( L) D( U& M, e! @& c9 p
- return -1;/ M" y6 ^* B# b2 t
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- arg.sub_addr_count = 2;
1 V4 a7 P W3 h$ s7 Q - arg.data_count = 0x18;- ^- g8 ]! e7 b0 O) f1 S+ b
- arg.e2prom_cmd_sub_addr = 0x290;
4 d. \) t' X: _ d# m8 s$ ]% V - arg.e2prom_cmd_data = buf;
' f8 E, j8 S9 v( r6 a- X1 ?9 j- h+ q - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
' o$ @( u8 { l9 @; ]* Z$ r - if (ret != 0) {5 I+ ?5 ^- s2 s s7 H# X
- printf("Device %s write error.\n", E2PROM_DEVICE);
& ?" a% x. ^6 Q0 L0 c5 } - return -1;
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- P( D9 n E% q! I9 D; y- return 0;
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- int main()6 Q$ J' T' s$ P/ Q' h1 n
- {7 P/ o! Q- _5 U; u w% {
- char c;
s1 J* T+ _6 J8 s( N6 @2 }5 T! ? - int i, macs[6];5 K( \5 i8 i+ _4 ~
- unsigned char mac[6];
. K+ o4 I- b4 x% d6 S* ^ - unsigned char stbid[256];2 D7 ^( U* D p. m, _1 K! A
- : r6 I: M" T* m6 h6 S
- if (readparam(mac, stbid) < 0)
$ c3 l7 Q) F# j6 t8 @5 J - return 1;. N9 x R' d e( C, z7 k3 R; N
( {0 c Z7 @1 H; o# ?. i8 [( K- printf("Current parameters: \n");
/ b/ X" ]! M/ N3 O! p - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 m5 s9 ~$ x6 e - printf(" STBID: %s\n", stbid);
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" J+ y A+ y/ w( {% p$ _, i - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 o4 j! t- f6 [5 \9 a
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
5 a2 b6 q s2 @4 T% v; c) ]0 R4 A - printf("Input MAC error\n");
- B/ O5 T. Z; m' m2 G9 k - return 1;
5 y7 m5 }; |, ~ I. Y5 X - }
% d1 `- D* l; w" F - for (i=0; i<6; i++)mac[i] = macs[i];
( z& g: o8 P2 d4 i - printf("\nPlease input new STBID: ");& t- U: @: |* c' G1 n1 ^9 Z
- scanf("%s", stbid);
- F6 Q! L. W9 _0 s( B' H5 W2 C - if (strlen(stbid) != 18) {9 M+ v" \' C2 b0 B
- printf("Invalid stbid\n");+ K. x5 M# j0 m& G! _, @' s
- return 1;8 U( c& E) l7 v' X
- }
# d( w0 \9 X$ P f( W$ s& b" Y - printf("\nNew parameters: \n");7 P/ k& V# z$ W1 T' M0 s
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# K) {9 v4 q' ]+ N+ L) v9 M
- printf(" STBID: %s\n", stbid);5 f, P1 @! h& A- i
9 h+ S0 W' x1 z! ~* L9 }- printf("\nDo you want to change paramemters? (y/N) ");
7 q( |5 Q6 O4 i6 ?6 h* r9 ~# R - for (;;) {' }- C! O- ?' ^1 T4 u
- c = getchar();; C- z8 ~$ l+ E: y2 N3 I( ?
- if (c == 'y' || c == 'Y')0 w8 e- L6 v/ Q; ^& H$ x
- break;
f8 O. j2 d9 N. p2 q$ @( z - if (c == 'n' || c == 'N') {
6 t5 A) P9 h$ r" B, i6 D, y - printf("\nAborted.\n"); n/ K! s/ d; G$ L, w
- return 1;
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- }3 M2 N9 u2 m: w. y+ ~4 c# m
- if (writeparam(mac, stbid) == 0) K3 y! q) \5 H0 }& P5 S) {2 @
- printf("Parameters changed.\n");; N* v. T E6 g! e- ^2 K3 N+ U: T* u
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- return 0;" {; {3 w% f0 \% ?$ X
- }
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