本帖最后由 0522 于 2012-3-21 23:04 编辑 1 O& g1 \1 N" x1 R/ G
2 o7 `& A4 G% g+ j w修改的代码早有了。到今天不会编译。
% E% L) N2 x& E2 \& C4 l4 h& i需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
( u5 }6 x: U9 }$ l; J* Z4 G - #include <malloc.h>; ` m8 k1 ?( W! o1 y2 m, |5 R1 K
- #include <sys/types.h>
2 u+ a, J( s& u2 _/ R" a' r$ z: [ - #include <sys/stat.h>$ S$ q- q+ f) o8 F
- #include <sys/ioctl.h>
4 T" H( w6 \% j s8 |/ W - #include <stdio.h>! l# B( K$ X# ?8 C% I
- #include <string.h>$ q# b. q3 Z! x
5 u4 }5 j8 m4 ?- P B* ?$ _' e- typedef struct {* J/ q3 _2 m2 l7 }, l/ v
- unsigned int e2prom_cmd_sub_addr;
! x& R2 {% _; A! M; O - unsigned int sub_addr_count;: L, K9 J4 W% Z" U
- unsigned char* e2prom_cmd_data;
7 p3 Y" z t" q3 p6 J7 u. ^4 S - unsigned int data_count;
; F4 w5 |. q- }3 o$ L: l - } e2prom_s_cmd;' ?' W: T7 x8 x. j
1 ]- y- N! _/ J# l! `% N( G- #define E2PROM_CMD_READ 1* c! Q& M' K# m8 I' d' R1 I- o% |
- #define E2PROM_CMD_WRITE 2
$ I x+ q/ }7 K - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"% ~3 L+ ]9 T; a* q0 p2 n
- 5 Z$ B+ @! S6 t8 T
- static int readparam(unsigned char *mac, unsigned char *stbid)
4 ?* m. U# l2 e* ^' h: a3 f. W" Z - {
+ ]4 {5 l- \3 g - int fd, ret;
4 ^7 Q; L1 Q6 A* s. l0 X2 ^$ c - e2prom_s_cmd arg;
( k" o; [. G8 |& y( V# t - unsigned char buf[0x18];
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, g4 s+ p' R: U0 ~5 W9 _- fd = open(E2PROM_DEVICE, O_RDWR);; [+ m ]" O/ b2 j
- if (fd < 0) {5 X, Q( o1 u& X. d0 H5 R( y/ G
- printf("Device %s open error.\n", E2PROM_DEVICE);
! R0 D. s- @' o" Z2 N - return -1;
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- arg.sub_addr_count = 2;6 V7 A! J% j7 y2 k v9 c: J
- arg.data_count = 0x18;
! v5 R" O! Z$ t - arg.e2prom_cmd_sub_addr = 0x290;
{9 l9 {2 L& g2 L - arg.e2prom_cmd_data = buf;5 X4 F+ Z$ s# R$ w& }
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);! \9 d, \6 E5 G" h; E8 d# x
- if (ret != 0) {
' d+ N$ a9 r6 t; t+ H! o# T8 n8 w - printf("Device %s read error.\n", E2PROM_DEVICE);
* s2 Q1 h9 E# ^2 k/ r5 R - return -1;
0 p( F0 d3 V/ U R' Z - }- e. S$ B* T q- K- Q3 r0 |8 U, U
- memcpy(mac, buf, 6);
3 q1 _$ p: h( L) O& D, i - memcpy(stbid, &buf[6], 18);
) g, l5 \' h( ^8 V4 E - stbid[18] = '\0';6 b8 t: K% B( v7 w
- : F* s+ j) L$ j# h, R$ ]$ d
- return 0;$ f8 J' a3 x' B7 X
- }+ j' I. U3 S2 W5 V: S- e
& g$ x# @9 T; b4 P/ X- u- static int writeparam(unsigned char *mac, unsigned char *stbid)
. c5 O$ R) b- R' k) Y - {
" U% Q: |0 I; N2 k* }0 X8 Z2 m - int fd, ret;7 m* R/ R7 ?1 E! H% k. P
- e2prom_s_cmd arg;! V6 m! p) S6 J, x% f' I
- unsigned char buf[0x18];, b5 _5 {& F$ t1 p0 o5 g4 O% r
- ( J- d7 S2 Q! O; x$ n" [
- memcpy(buf, mac, 6);
. j& V/ z/ u' z" B - memcpy(&buf[6], stbid, 18);
; O _+ x9 t5 W8 i y# @# o. S - fd = open(E2PROM_DEVICE, O_RDWR);, @ P" j: a# l+ U' d( T
- if (fd < 0) {
$ f( L% X/ R+ f s+ z8 ^ - printf("Device %s open error.\n", E2PROM_DEVICE);
+ N+ n& T% \9 f5 |3 t - return -1;
+ P$ x- Q- H' @" _6 k5 ~( }% y/ E - }" D- A) T: c# u, N( Y, D# u
- arg.sub_addr_count = 2;' [8 o& X0 i! A7 p% s1 D% m
- arg.data_count = 0x18;! S8 g* A- z$ Q# z
- arg.e2prom_cmd_sub_addr = 0x290;! g* y' i* z, `8 _; y
- arg.e2prom_cmd_data = buf; A9 w2 b) L2 ]- s
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);, X( l1 |0 T0 B* r
- if (ret != 0) {2 c U5 g% ^0 m. w/ I, L, U3 q
- printf("Device %s write error.\n", E2PROM_DEVICE);
3 A2 P. K! f: R% d& ?! z - return -1;1 Q+ n# X! \3 k1 J$ s' d6 N/ |1 Q
- }
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' ]( X+ [# g( U0 {" E4 E- return 0;
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- * F3 B0 r/ ~# I' q/ @" w7 ~" }
- int main(); n( S0 \8 n; E3 Q1 o8 Q
- {
" c6 E* ^( a# y7 w) \ - char c;, o0 e' }% N: b
- int i, macs[6];
4 a' {. l; e5 b& n - unsigned char mac[6];- A1 `: ^, W/ Z$ V: i; [" X7 \8 ?% j
- unsigned char stbid[256];7 U& O: K0 g$ ^: N4 j0 A3 w
- ) [: Z4 N6 y. v' R
- if (readparam(mac, stbid) < 0) u& L0 [2 E9 k
- return 1;1 y; B$ b% q. g
, V7 U& |7 G. g6 t2 L- printf("Current parameters: \n");! G6 S1 t4 |8 ~5 g; c) O) H) L
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ _( c) g# `1 |: A2 o - printf(" STBID: %s\n", stbid);
( V; u, t0 e4 j! u' o5 D2 Y -
, P' p/ g7 R( R, c5 L; F6 R - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 P. g8 q' e# x% q# H: t+ k - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {; C4 w9 {: A, |' d; L( q5 X
- printf("Input MAC error\n");
; B f' ?8 U) v. v5 j2 d5 m - return 1;8 i; W( ] X6 C6 f8 F
- }# C. {9 Q# r, h. O b# a3 Z
- for (i=0; i<6; i++)mac[i] = macs[i];+ D! `: a/ R$ _. o
- printf("\nPlease input new STBID: ");+ F6 h: S6 X% H
- scanf("%s", stbid);
# e( E5 q D7 d6 K6 U - if (strlen(stbid) != 18) {
4 z: s; c" V$ I) K3 g, w0 q8 c7 R - printf("Invalid stbid\n");, R" P6 h5 q; ~. A y0 }! ]6 ]* l
- return 1;
% D5 L6 f- |. h* K" X - }
; [) L% N# u( j - printf("\nNew parameters: \n"); f) z) V: w) _4 N, |, m0 L* R
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 B+ [, b& A8 V - printf(" STBID: %s\n", stbid);, w* D4 T, ~- b4 J3 P# W) @
- ( r" m1 Y+ R9 \3 J3 ?, ?1 m: R
- printf("\nDo you want to change paramemters? (y/N) ");
& F6 O. A1 Y7 `0 G- W - for (;;) {! l& [9 t- E9 S0 Y! _
- c = getchar();! X. a& A% [& `# y2 O* L! Q
- if (c == 'y' || c == 'Y')' g( ~$ B! H1 y5 m
- break;/ @: y8 I0 k1 c7 `! a
- if (c == 'n' || c == 'N') {5 P" [# h1 ~6 p# O- {
- printf("\nAborted.\n");- G# z9 m' P. r0 p
- return 1;1 ~! G+ u. h: T/ b% X
- }5 Q+ o( \+ l3 v1 ]4 C/ U
- }. G/ R: K, ^3 E& h- Z
- if (writeparam(mac, stbid) == 0)
3 R+ h, `( }$ j& l' B' V - printf("Parameters changed.\n");" }: H+ q$ E: u2 Y5 c. \
% S5 C9 G' x6 J# ]- return 0;' C2 Y, t9 }, [9 g$ G
- }
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