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。
% a: m+ Q- R& S* V, O1 J/ _需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; U) _- _( ^. P8 c
- #include <malloc.h>) s% y: |6 C n! E
- #include <sys/types.h>/ y4 f5 s7 p5 ^ G% [' S
- #include <sys/stat.h>
6 x7 }: U4 H5 ]+ j" d2 ?! K - #include <sys/ioctl.h>5 y* q* x! O- q% [9 m' ^) ~
- #include <stdio.h>3 f7 f2 j* e6 F6 x
- #include <string.h>
% u2 P: d! y3 G# _9 S" ^- Z0 E - 9 T- X- N. t6 `$ `- U- _
- typedef struct {
* V* E( X* a$ Z* I9 { - unsigned int e2prom_cmd_sub_addr;
8 \$ W+ F. @, O - unsigned int sub_addr_count;# K4 t$ n! W8 q. H3 Z
- unsigned char* e2prom_cmd_data;
- S7 r" @: [" f8 Q! A0 s - unsigned int data_count;
: r6 B9 M: w3 g' ~. l7 u- d% L - } e2prom_s_cmd;& H$ {& {( `3 V: I) A! b% G
& @. T9 g1 r- E" ^7 Q9 R4 w* [- #define E2PROM_CMD_READ 1
/ Q0 P& `* v) f/ l - #define E2PROM_CMD_WRITE 2
7 r0 g- ?, Z. T3 _) v0 Y) S - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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6 V7 E, p& f+ o" Z, J- static int readparam(unsigned char *mac, unsigned char *stbid)5 z" l9 D+ N) R& Q/ w
- {
5 S) ], Q& ?4 V5 t' w - int fd, ret;
. ~! v' T. Z' S Q! f. J3 S4 S# M# C - e2prom_s_cmd arg;- T ]- x. u. Z. ~ w) i* t
- unsigned char buf[0x18];6 ~; G/ b2 o' E- P6 m
- # Z. L8 \. f+ b, Q9 W
- fd = open(E2PROM_DEVICE, O_RDWR);+ ^2 Z9 q" J( F8 b0 g' v
- if (fd < 0) {
8 j- R0 G7 o( _' Y - printf("Device %s open error.\n", E2PROM_DEVICE);
7 E, @3 w* S9 t, O7 n( j3 T - return -1;3 `+ v% H* I/ J) X& B
- }0 ^- Q) x5 A1 i$ ?
- arg.sub_addr_count = 2;2 v( Y1 |1 y: l- l3 ?. b' R
- arg.data_count = 0x18;
7 e" c. p% ]0 W. z- k9 Q( P& q - arg.e2prom_cmd_sub_addr = 0x290;
0 F% G( E- B4 y0 c# D; E2 s - arg.e2prom_cmd_data = buf;0 j& E# a# Z# ]6 K
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
6 v" v4 L. o- q5 t+ m - if (ret != 0) {
+ x" f1 {' {3 T& } - printf("Device %s read error.\n", E2PROM_DEVICE);
2 m, j& A) k1 E; d1 ^0 ^ - return -1;3 x c" K5 y$ ^" X+ l% ]4 E5 U
- }
. `& W0 p* K) Q - memcpy(mac, buf, 6);2 Q3 z, g/ I( Y# @7 v
- memcpy(stbid, &buf[6], 18); f' y3 V W9 q- e9 D
- stbid[18] = '\0';5 [) K z \& T7 }8 l& C
( c# `; Z! g9 m5 t: U' L" k- return 0;
4 n' l5 D, i' E! E1 \ - }
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* @# Q& W% i0 T$ h( M3 p* W7 M- static int writeparam(unsigned char *mac, unsigned char *stbid)
7 \: |4 K5 m, z1 [6 x$ c4 _) h) | - {4 y" ?; k, s$ x; C8 K
- int fd, ret;
. x5 @( p$ h N1 _. A) J; I* W - e2prom_s_cmd arg;
& p" h# w- }1 o% L& v. R& y/ i) u - unsigned char buf[0x18];9 V, T5 z$ ~ b; G$ i3 o& d$ m+ D x
- 9 n2 e: @% z& k; { n* M: w
- memcpy(buf, mac, 6);
; {9 Q$ {8 S- [' E# F - memcpy(&buf[6], stbid, 18);
8 s/ y6 _* U* S: Q4 h - fd = open(E2PROM_DEVICE, O_RDWR);5 \: A: z+ ]2 A3 n5 W
- if (fd < 0) {
+ i" t0 S- @. L9 X2 y$ {; t - printf("Device %s open error.\n", E2PROM_DEVICE);
" Q$ x- [; b+ P* k) @; _ - return -1;
$ u: m' t/ J5 ~# b I - }5 [5 X! z7 s% K- O
- arg.sub_addr_count = 2;
' _0 _1 ?; R, g [. b6 z& k: C - arg.data_count = 0x18;
5 Q# h$ Y7 K5 Y6 a - arg.e2prom_cmd_sub_addr = 0x290;
4 `( {( R9 s9 C - arg.e2prom_cmd_data = buf;
; J0 V$ Z: H0 r! b - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
: n8 O: q' `4 x% U - if (ret != 0) {
' g' c( o" o w: }* l - printf("Device %s write error.\n", E2PROM_DEVICE);
; n7 P& r. d/ P: v - return -1;
$ F& z& r: O4 Q9 k5 m: W* k* T - }% M5 u! g' m* H3 ]7 \; h
- - R' `& j( V9 h$ v9 Y
- return 0;
; E7 F2 V$ V/ Z7 _6 M1 x - }
A% D% \$ V! \- d
$ Y/ Y9 g0 M- E" u: c% t- int main()" `( q* M* q8 F8 ~
- {
; G, g, n+ L% _ - char c;
9 Z5 p! H9 y" M A, p2 x& M - int i, macs[6];" b- g* v$ H' Y8 I& v( ?
- unsigned char mac[6];9 Q" j# h. S& ?& K# m8 ]/ N) e+ W
- unsigned char stbid[256];
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7 _! I. d1 c) o! a- r- if (readparam(mac, stbid) < 0)* X5 q' E" N% t* s2 C/ F
- return 1;
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- printf("Current parameters: \n");- v" a8 l3 I/ y. i
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 C) o7 ` q1 w) }! G/ b
- printf(" STBID: %s\n", stbid);
& W! w; b) [. b2 d: v/ M -
% W5 w% x e7 w6 s6 y+ g' n- s - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
. A! S4 V; P4 u N( K - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
: L3 S: C9 v( }2 P2 b& O - printf("Input MAC error\n");
. _$ i6 }0 R5 i( x% p& }5 T+ ~ - return 1;
' M. s/ H& b3 _5 U5 | - }
6 ^9 q# [7 z3 ~5 u3 H3 Q& O7 b - for (i=0; i<6; i++)mac[i] = macs[i];, R0 Z, I6 i/ E% e4 e. {
- printf("\nPlease input new STBID: ");
]# s" k w+ x) r$ k- w# z3 ` - scanf("%s", stbid);
^. M) ^1 L0 G - if (strlen(stbid) != 18) {
. y4 C0 P/ F2 d" H1 ^7 u8 Y - printf("Invalid stbid\n");
2 E, g- D( K4 t3 V5 h - return 1;. u+ h8 Y* n2 p" p# Q; X- l" Y2 W/ I& g
- }
) z1 m% S7 c* q2 T A2 B - printf("\nNew parameters: \n");7 z9 X! D# P( j: [) z. P) d
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! f; {. U' y0 X7 t3 N4 Q P - printf(" STBID: %s\n", stbid);8 ]1 {+ U: s/ k, q3 L) x+ g! ?
- 1 F$ A/ M4 p0 |+ k' |6 Y: S& t
- printf("\nDo you want to change paramemters? (y/N) ");
b9 W/ }$ _0 A. n) `, n - for (;;) {4 |- X6 S2 P8 ^# o# O
- c = getchar();- s, j" N4 s7 a. I
- if (c == 'y' || c == 'Y')/ g* F) S( n/ [1 `" V
- break;% n8 j6 ~ x" {+ X
- if (c == 'n' || c == 'N') {- n, n7 J' A Z$ ^' q/ |
- printf("\nAborted.\n");
, U( ]- a" j3 U1 g8 P - return 1;+ ?( X. q/ w! [
- }
0 Q" N0 P6 x" Z& } - }
' I' L: d8 C. u! E3 S6 V - if (writeparam(mac, stbid) == 0) & |4 j! V# T4 ]- B1 _, n y& y
- printf("Parameters changed.\n");
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- return 0;7 x$ ]; P% _" |
- }
复制代码 |