本帖最后由 0522 于 2012-3-21 23:04 编辑
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- x# N5 l: a. o/ ^; a修改的代码早有了。到今天不会编译。
" D, f+ P& M& E$ _9 \* b需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
( y6 G( o) O( }: I - #include <malloc.h>4 R+ q: V( N- U$ g9 i
- #include <sys/types.h> f' w: K4 ?' _, \+ c
- #include <sys/stat.h>
* }/ C5 Y! ~: v* @# W V/ R, C* s - #include <sys/ioctl.h>
; ~! n0 I% X. K; @) n - #include <stdio.h>
1 c0 h' U; K# N: m+ F. y7 [ - #include <string.h>
% C- q9 H: T2 e6 r: M& `
+ S$ }* _* [7 ], J0 v' P/ j- typedef struct {
5 D! `* V1 `6 F+ T0 T1 O2 s7 h - unsigned int e2prom_cmd_sub_addr;- @5 W( F1 ?0 ?
- unsigned int sub_addr_count;) f' \* [. G; ?2 l I' J$ {
- unsigned char* e2prom_cmd_data;
. G- J* ?( v# b4 b8 f% B - unsigned int data_count;
7 b3 N! e; F I - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1( H9 y' n) F% R& r' t
- #define E2PROM_CMD_WRITE 2 L# `$ [6 w4 p- u
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
; E$ i4 P8 O" v$ Z - $ Z! i) |' {6 U* D. x
- static int readparam(unsigned char *mac, unsigned char *stbid)3 X: ^; s+ F J- m v4 Z/ t' ^
- {; M3 |: Z# @2 U6 x6 f6 v5 \
- int fd, ret;
9 M+ ^8 u3 p# |& {6 S& @6 Y3 L2 B - e2prom_s_cmd arg;2 i M k$ f4 }" }: u7 Y
- unsigned char buf[0x18];
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6 u4 C# p: z w- fd = open(E2PROM_DEVICE, O_RDWR);
1 p& z+ q5 _% c2 D' f% ? - if (fd < 0) {
2 N/ W# Z( F% V* D) _" F- k - printf("Device %s open error.\n", E2PROM_DEVICE);0 B/ u; t% A# M- y8 ]9 a
- return -1;
" X2 D/ w4 h5 d6 {) H0 ~2 Z* `0 D - }$ w( X" [3 `; x: f
- arg.sub_addr_count = 2;
! K* q' n/ t* Z1 _% m. G2 i. w - arg.data_count = 0x18;
* h" k" \, g" z9 p - arg.e2prom_cmd_sub_addr = 0x290;
/ e0 T8 _% W/ c( f: X* a9 Z6 a - arg.e2prom_cmd_data = buf;5 \% I7 A* g1 B, A2 b: f% C( X; t
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);* N$ P9 [$ }% a/ m
- if (ret != 0) {
" u/ I/ R* w8 U3 c3 {8 y - printf("Device %s read error.\n", E2PROM_DEVICE);
4 Q4 n2 z" c" F" y - return -1;6 O4 D- Q* k+ U+ P2 S7 n
- }
( \( r, u4 Q8 e' P - memcpy(mac, buf, 6);
/ f' q5 T2 n/ K- E8 S7 g - memcpy(stbid, &buf[6], 18);# v3 j9 J3 r1 H2 N! e1 `& |
- stbid[18] = '\0';
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- return 0;& H [9 R( d, M: Q+ m0 ]
- }; \* K1 x; i8 j# f
- % c. l4 _% V1 ~
- static int writeparam(unsigned char *mac, unsigned char *stbid); S4 Q, G' W7 C0 Y
- {
; d7 {! W6 i, W& ^- N' J - int fd, ret;
; T E( |4 _) \$ n( } P - e2prom_s_cmd arg;$ G1 ]) }1 r6 {0 ?- M. \
- unsigned char buf[0x18];
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6 G9 F8 C0 `* {- X6 U# C- memcpy(buf, mac, 6);; x5 C& @1 d* H7 M; e q$ J. T/ X
- memcpy(&buf[6], stbid, 18);3 \) m) f/ c0 O% u0 V
- fd = open(E2PROM_DEVICE, O_RDWR);; E x% D& Y* f
- if (fd < 0) {; q t: `/ Y$ s& X/ l
- printf("Device %s open error.\n", E2PROM_DEVICE);
% X5 F6 M4 v* c6 \' I; r - return -1;
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- arg.sub_addr_count = 2;5 W) ^7 ^2 N; K0 h: N
- arg.data_count = 0x18;
+ s. q' c$ |) J8 z - arg.e2prom_cmd_sub_addr = 0x290;
3 [/ v! V( w% @$ {* c- ~ - arg.e2prom_cmd_data = buf;% [+ U" T( e; X8 `! ?
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; ~. y8 K/ I5 X) h2 A3 c - if (ret != 0) {2 ]) ~: [# j) V
- printf("Device %s write error.\n", E2PROM_DEVICE);
( C! b' ]/ Y, s7 g* U% K - return -1;
9 t6 i3 u/ n v$ h, N: L; ] - }
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3 d% U! f j& h! ~3 [; Q- return 0;
! A5 D9 F$ P# C! }5 L - }
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4 M" x9 d. w; N) d. e/ I) G- int main()( |6 K: X' J! {: x( e9 c9 r& I
- {
# N- K0 L- w: D* J! f( M( ^( _# A: F - char c;( U) v" ^: s; V5 @! m; {: E
- int i, macs[6];
) O/ O7 @! x7 l8 ?, [8 n - unsigned char mac[6];
: w* c# @- I& w2 Z% j - unsigned char stbid[256];) X3 e d+ J! b* h6 q6 R# M
* r' o( a, ^" ^7 {# B% F- if (readparam(mac, stbid) < 0)" G0 b5 ^' ^, J7 g( i
- return 1;
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- printf("Current parameters: \n");
! z: X8 j) |/ }) x) s3 r - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, c, E- q- H4 }$ ?$ p0 X" n; b - printf(" STBID: %s\n", stbid);
, O! ?+ r; q& v$ l7 I- a: Y -
$ F+ F2 Z8 T- d5 M - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ X4 o& B# u5 q
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {' u: v* x/ T& b
- printf("Input MAC error\n");$ O! d( N) P5 U" K/ ^. o% t$ e0 J
- return 1;
+ x6 m2 a2 i! L - }
" {" Q2 Z5 X2 M; V" ~ a - for (i=0; i<6; i++)mac[i] = macs[i];
$ V( n/ {6 T {2 U, x% N - printf("\nPlease input new STBID: ");# ?9 w' e& y) q# t: A5 L/ `- p
- scanf("%s", stbid);) ]* Q3 ~0 y4 z5 I4 p: A' Y: W
- if (strlen(stbid) != 18) {
6 h5 }3 e1 w. V; C/ v - printf("Invalid stbid\n");+ X" F' C! I7 O9 a9 |5 u$ e
- return 1;
A# i$ ]9 p6 j# m - }
: B( C$ C" M$ V) j' q/ W4 x - printf("\nNew parameters: \n");
9 g9 n z4 i( w - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- v& t$ g9 L8 A2 B
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
; N1 b: G- s& N7 t( Z - for (;;) {( k1 g- y2 \$ I+ X$ e
- c = getchar();+ M, I2 W" c' K) i4 l5 o$ x' k
- if (c == 'y' || c == 'Y')
! r( t! T" ~ o( Z- N( t - break;8 w# X8 u4 d$ @
- if (c == 'n' || c == 'N') {$ d+ D# o2 l! E7 @& m
- printf("\nAborted.\n");( M1 s: v+ L+ ?( I) `0 d; Y
- return 1;" k& A0 y! z2 T$ y. E ~
- }
5 i/ I5 G$ d m$ I - }
( S. o! P' ^! x# w - if (writeparam(mac, stbid) == 0)
: w ~( J7 [7 J% e- e- ]9 k, C - printf("Parameters changed.\n");7 \6 p) }4 F' ^" G
- 2 L a0 A* i. J% e' ~3 u
- return 0;, Z3 c7 p" K( c/ D! [
- }
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