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。7 b+ R2 B2 E* i! s( T
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>7 F7 F. J$ R. u8 W6 r$ h) f; z
- #include <malloc.h>* k; m( @0 Q+ Q- T" Y
- #include <sys/types.h>
3 O, s$ O" n8 n7 f4 | - #include <sys/stat.h>
% v) c9 ]" `% U, D - #include <sys/ioctl.h>5 V6 a) f+ [4 ]# o' C$ j
- #include <stdio.h>. Y T3 O. R& A& I# ~9 S+ }
- #include <string.h>
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, [) W9 G- {" e* R! m8 o( U( S+ e. q- typedef struct {$ D% ?$ N$ d" q: C
- unsigned int e2prom_cmd_sub_addr;
1 ~! s" {/ c" n% ]6 D - unsigned int sub_addr_count;" h: B; x+ \* X; z& u# h
- unsigned char* e2prom_cmd_data;
2 }$ F6 T: e0 G1 ~8 N6 M4 ~$ u! w( ?" ? - unsigned int data_count;
% R( A- u( y0 ^( T$ V - } e2prom_s_cmd;& S& V! c2 [/ Y, a( q9 v
2 T; A" I7 C! w4 C, Z" m J- #define E2PROM_CMD_READ 1: M- ^& W: V1 H4 ]0 C1 P' ]
- #define E2PROM_CMD_WRITE 2/ e9 b+ f% {* n1 K1 J1 X+ {
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"4 [1 }; }6 E' l3 v s( w. S" Q
* T- l. D. r: D+ j m- G" w) b6 H _# \- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;; r2 [5 S+ Y T. c- x: G( e- w; f
- e2prom_s_cmd arg;
: @ z% H& m0 c7 w - unsigned char buf[0x18];
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# V# m( h# u8 f- fd = open(E2PROM_DEVICE, O_RDWR);0 H1 k3 o7 H- p: M, V! l
- if (fd < 0) {
' o7 i8 A$ G* k0 O* E# ?' T* v - printf("Device %s open error.\n", E2PROM_DEVICE); r+ f* s3 Z* }( z. L
- return -1;
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- arg.sub_addr_count = 2;/ v$ z2 |+ D- U3 [
- arg.data_count = 0x18;
. ?) E6 a. {# V" m, T% l L2 j5 [ - arg.e2prom_cmd_sub_addr = 0x290;( y- G8 Z2 {7 p- r1 a+ I: z
- arg.e2prom_cmd_data = buf;
; s6 N' R$ c8 [2 r8 T - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
5 u$ M1 {( p! A3 W - if (ret != 0) {
/ D. [% [# |0 ?1 h1 Q# L- u) k - printf("Device %s read error.\n", E2PROM_DEVICE);
$ [+ [" N9 W' y( z* w/ U+ ` - return -1;
, z5 E3 `4 e3 o4 D9 ] - }
+ }5 F. f1 L/ D8 s9 l8 B! F" r - memcpy(mac, buf, 6);) K5 m0 ^, s* }7 _7 {0 w
- memcpy(stbid, &buf[6], 18);2 X6 V1 v/ f( q- `6 B
- stbid[18] = '\0';
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- Z2 _& e: m$ `/ E! d7 f7 b1 U- return 0;, V6 z3 T) i9 {* H
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- ( X8 W$ M8 ~# Z
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;, d" v. o0 P; ~4 q8 e
- e2prom_s_cmd arg;3 o9 e. a+ d1 c! E7 ]4 v- U5 p
- unsigned char buf[0x18];9 X/ U" a, X, Y; K6 A
- y: C3 A- n# r" t- memcpy(buf, mac, 6);
1 w" |! N! a- @8 F2 T - memcpy(&buf[6], stbid, 18);
4 n% Y; M; s- a, t8 c& r - fd = open(E2PROM_DEVICE, O_RDWR);
, L" ~9 m# p0 _. [ - if (fd < 0) {
+ e* ?, d* {* R - printf("Device %s open error.\n", E2PROM_DEVICE);
. S9 f, G# w9 O6 g - return -1;' l3 V' N3 c) H
- }
8 J! L# y+ ?0 d2 m' u2 ^ - arg.sub_addr_count = 2;
3 Z! Y; y9 _5 |) P. Z - arg.data_count = 0x18;
) J1 I6 r9 J( h' \' y( x - arg.e2prom_cmd_sub_addr = 0x290;/ L! o: I; X% k$ g
- arg.e2prom_cmd_data = buf;6 }7 M/ p* r. V8 r
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 t, j! j r- u8 B3 O - if (ret != 0) {
; c+ E+ Y* O& V - printf("Device %s write error.\n", E2PROM_DEVICE);
# B5 V5 q: T/ g- F# c1 D - return -1;$ g, J) S' e& i, ]) @7 {% s
- }
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- return 0;
& f) b* n% @" ] \6 J% ] - }
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) c$ s6 s7 L v+ I& \- N p% w- int main()
$ ^, e+ g' A; z/ \: k7 ]) ] - {
6 t( v' a* A' X1 A: G1 K# F2 X% I s1 o - char c;
% T5 ]! e6 F9 c& H6 Q! K - int i, macs[6];
( ~6 Q3 d7 R7 `8 m) O3 t - unsigned char mac[6];
2 B) c2 x3 O4 } - unsigned char stbid[256];% L2 k/ X2 o _/ Q% t _1 g4 k5 P
9 t, l/ q# _( C* g8 m" W* O/ V- if (readparam(mac, stbid) < 0)" X& H2 v: @3 W: V! l* s
- return 1;
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3 S$ t8 K5 E3 J. o4 ` I! k; |- printf("Current parameters: \n");+ X! [ Z$ I' `% n$ ^7 X0 @
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% O( O: \& \, x$ \* q - printf(" STBID: %s\n", stbid);9 j7 f! h0 n4 A- i% ^" w
-
- u. s s) M1 B+ E+ i8 { - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");5 U) ]8 i8 ^) v' P' {; c$ {
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {& d7 ^1 C( |7 M
- printf("Input MAC error\n");* d2 u2 g6 P& ?) [9 K
- return 1;2 u7 w4 A7 Z4 ~# x
- }
) F2 n4 @2 U# a9 I2 k - for (i=0; i<6; i++)mac[i] = macs[i];3 p+ \3 C& \+ z6 `
- printf("\nPlease input new STBID: ");$ U. M- u4 U% i7 _+ P3 K
- scanf("%s", stbid);
1 _& |" m- l+ D - if (strlen(stbid) != 18) {# `5 k8 w1 U- F. a
- printf("Invalid stbid\n");
: x% w# C! r/ O" x' ^ - return 1;- a% o u0 J0 A
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- printf("\nNew parameters: \n");9 _" X, k1 l6 C
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, ~2 H9 Q( \) U0 [0 W
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
, ?2 l, J6 ~, K n' N3 } - for (;;) {% T8 ?4 |; h! [# \* O
- c = getchar();
, }2 S9 E* w2 a) `: K$ p+ t, d! V - if (c == 'y' || c == 'Y')1 s# U1 `4 E) G4 M2 N# \6 a# O
- break;
! f. l5 W+ Y9 \$ s0 J4 @ - if (c == 'n' || c == 'N') {( S' S3 Y: O. }% Q; c7 \# K
- printf("\nAborted.\n");& e/ D" F4 M: g# t: w9 g
- return 1;
/ F) i1 J* D/ a! A - }
* e2 K5 L1 d) f* ] - }
) C& X" F% a2 ]9 R1 ?% V. E R - if (writeparam(mac, stbid) == 0) + |" U6 u2 S1 X5 q3 g
- printf("Parameters changed.\n");
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- return 0;$ l1 S/ X# Q& d ]
- }
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