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。
E$ o! J3 b0 f# v# S( t+ C8 d需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>9 b4 i# m$ T ]' w
- #include <malloc.h>
A( u: t8 G$ f2 y6 m/ } - #include <sys/types.h>
' W. {* @2 f& X0 c# t - #include <sys/stat.h> Y& g7 ]8 ~* a: ~
- #include <sys/ioctl.h>8 I' n9 h- a. D9 y' E
- #include <stdio.h>
) B2 d, \1 P4 ` - #include <string.h> Q: K$ y% ]5 K2 L6 B
- 7 P& a% x9 Q" C/ l1 [
- typedef struct {
4 g8 H3 x; ~* ]1 E% C I - unsigned int e2prom_cmd_sub_addr;
; x0 e& P+ }, p0 [* u' V - unsigned int sub_addr_count;5 y v; {! w$ K- t; O: I
- unsigned char* e2prom_cmd_data;
; [' i+ {' r$ ?) j7 M2 s - unsigned int data_count;
% B" p) c: j M: O+ b1 ? - } e2prom_s_cmd;8 A! d, y5 Q( V- {1 r
- + r9 _$ A* S1 q
- #define E2PROM_CMD_READ 1
, H+ }8 u6 d3 [1 s- U* _ } - #define E2PROM_CMD_WRITE 2( E5 Z$ k/ |4 p
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"( I" v( U1 P4 K4 G! F
/ D2 w! @/ J( b. C3 K9 A, c3 w$ G- static int readparam(unsigned char *mac, unsigned char *stbid)
; T* ?- z. @+ h6 J - {
6 j/ F3 Y6 J" A( i* T1 V) ] - int fd, ret;7 m. U/ `+ \& f/ e; ~: { z
- e2prom_s_cmd arg;
- P! {6 [4 a$ Z$ b3 r1 I1 h9 F - unsigned char buf[0x18];) z {( M- N: {; E
- 2 I. T& l; d$ T, m; B. ]$ @
- fd = open(E2PROM_DEVICE, O_RDWR);/ [- ~& {8 |1 K1 a" u
- if (fd < 0) {% R$ U! Y/ I& q! ~
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ W9 G; I, @# A5 ~$ J - return -1;
) d4 P0 J& ?$ O4 f1 L5 u3 u - }
! z# q3 Y3 @5 Q1 Q$ z - arg.sub_addr_count = 2;! q; |' i9 n& }
- arg.data_count = 0x18;7 g" l' g' U2 G( ^! o, B
- arg.e2prom_cmd_sub_addr = 0x290;& _$ r; S2 l: k. `7 |6 |, t" x
- arg.e2prom_cmd_data = buf;
- _4 x+ E' ~+ W" _) S# O - ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 Y' ~) b5 }) k$ _( s6 E
- if (ret != 0) {
; O3 y/ y2 g- @( F - printf("Device %s read error.\n", E2PROM_DEVICE);* X4 S) h& D+ Z& k% J" |! [+ Q! c
- return -1;* i9 m9 u. D, O
- }. f9 u" a. Q7 f+ `4 n/ L& f
- memcpy(mac, buf, 6);' S3 H, v8 s% {$ B( r1 N& q
- memcpy(stbid, &buf[6], 18);
5 ^5 q: [2 v, a X s! r9 p0 x( r - stbid[18] = '\0';( k6 c- w. e8 o5 o& N
5 f5 a7 n& q1 d- return 0;
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" G( h$ p/ a4 X& \- L6 d: O- static int writeparam(unsigned char *mac, unsigned char *stbid), X' @/ R* `+ G/ w' F8 V: H# B- s) j
- {
" j$ w7 g7 ^9 f, H- } - int fd, ret;
6 Q: O. H0 A1 I# y+ Q - e2prom_s_cmd arg;9 n. ?& I: w$ Z+ N- ?/ i
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
U N& ?; m4 K: |8 X2 N - memcpy(&buf[6], stbid, 18);8 U. L1 \- }: A$ r# X4 @. k/ ?$ S1 C
- fd = open(E2PROM_DEVICE, O_RDWR);
4 A$ B4 c$ z) g - if (fd < 0) {
0 w& |$ z% U# b# t1 A' X - printf("Device %s open error.\n", E2PROM_DEVICE);
' k3 @3 Y- f: o* `7 h - return -1;$ i2 T6 `+ [& ^' h& n8 {
- }
& o) ?4 L. Q r# R x - arg.sub_addr_count = 2;/ d$ T1 ^7 ~6 ~8 e
- arg.data_count = 0x18;
& d( ]& O) V& }& D- D - arg.e2prom_cmd_sub_addr = 0x290;
. q, D4 }1 `. D4 Z9 m - arg.e2prom_cmd_data = buf;; D1 ?8 m# V3 J& d% a
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ y/ r; f q) `! @# x# T1 n
- if (ret != 0) {
/ C' ^6 q% j- l6 C" z7 } - printf("Device %s write error.\n", E2PROM_DEVICE);( x q6 ]7 p% e6 k# F) |
- return -1;& d9 Y7 m8 C. o) u! Y0 s
- }% f% H) @% m0 e# k) s1 J3 e" z
$ u% j r; W/ z& }1 q! g6 C- return 0;
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- 4 {5 k1 D2 _' X9 z) z$ B
- int main()
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* T! W) c9 j4 E( H8 X O: R) m - char c;: X7 j/ ^& k* L
- int i, macs[6];
% A# c7 h* m" h; g - unsigned char mac[6];
$ x$ c7 x" V( g5 u2 s7 @- W3 Q& o - unsigned char stbid[256];
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, q. |+ g2 c* F1 g- if (readparam(mac, stbid) < 0)
* q7 u8 y8 S7 t+ N - return 1;4 a# b1 v# f) Y) `3 V4 v8 ]
3 G$ Z b' R4 {0 ~- e4 F- printf("Current parameters: \n");+ D7 S) U" P- t2 z1 I8 W# @
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); e4 |, P0 V* f1 d1 E
- printf(" STBID: %s\n", stbid);
8 X5 Q. g/ j; N: t5 O* t+ @4 g -
4 s0 _3 u- U/ m - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
/ k9 u3 u8 b$ V$ w @ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ V/ n& p3 {/ Q0 C! U - printf("Input MAC error\n");9 `9 |4 t; n( K3 ^7 x7 J
- return 1;( D: J; C- a- n: A$ Y
- }' T7 [+ o& U/ S5 M( @9 }
- for (i=0; i<6; i++)mac[i] = macs[i];0 q$ P4 g: Q, n& R- O& g+ k; H
- printf("\nPlease input new STBID: "); i5 |0 Q8 ?% V( A9 j
- scanf("%s", stbid);
1 Y8 z d9 j& b o - if (strlen(stbid) != 18) {1 P7 }+ F0 |( S
- printf("Invalid stbid\n");8 W9 p6 _4 n+ ?
- return 1;
+ T# z+ [4 T3 L - }# I- ~6 l3 H" P6 T1 \3 N/ x8 @3 X! y
- printf("\nNew parameters: \n");
0 Q+ C: q9 f6 I/ ` |. x - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 f' |: o% z( C8 q' z2 a. M - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");. g( O3 \: A/ W" r
- for (;;) {
; |! G* H) t. C) ? - c = getchar();
/ E, s% k6 r! E4 j9 @ - if (c == 'y' || c == 'Y')6 P6 J8 Y' o7 |2 R; t
- break;/ J+ u# ]: ^: o
- if (c == 'n' || c == 'N') {2 G& i$ T# \ F# i4 O0 Q) R
- printf("\nAborted.\n");. C: f" h! G9 V/ l; h
- return 1;. {; R7 Y3 O5 T e0 [
- }
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- if (writeparam(mac, stbid) == 0)
8 |( p ^: O( m; a1 ^ - printf("Parameters changed.\n");
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6 c0 T! J1 C: a7 v' I% |: k- return 0;
+ `0 c$ G7 W# ?; ?0 V6 O$ {6 y3 t4 | - }
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