本帖最后由 0522 于 2012-3-21 23:04 编辑 ! C [4 ~& m s8 o1 G( ~
" m& w- e. f3 a- a; d9 U! o1 e& m& u修改的代码早有了。到今天不会编译。
! M, S) K/ P: V& Y9 c$ A! {需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>6 Z8 {. A# R( A) k8 I1 t
- #include <malloc.h>0 ]' X7 e+ ]& Z! S: \
- #include <sys/types.h>' d" R* m0 T% d3 I6 N
- #include <sys/stat.h>
8 R2 A& d" A7 g1 y: g! n - #include <sys/ioctl.h># y; `& P" s1 T5 k- {
- #include <stdio.h>
9 s5 m- w- T' `- D - #include <string.h>% q m/ ^% e1 R$ q( D! c7 Z) L
2 _6 i$ y+ r* D" | r6 M' R# F- typedef struct {
2 ~! m5 v" Y4 @! Z# c - unsigned int e2prom_cmd_sub_addr;7 ]. i2 d/ G. Q9 h" n
- unsigned int sub_addr_count;$ u" e) ^+ }5 m4 |& X
- unsigned char* e2prom_cmd_data;7 ]6 r8 i% K: {# W# m+ `6 q3 x
- unsigned int data_count;
& Z# A) \& L- Z7 A - } e2prom_s_cmd;0 f5 y; c" l* R; D- W
- # c- i+ C9 X8 n5 L) Z W$ O' _
- #define E2PROM_CMD_READ 1
W* B8 _6 X1 L5 ` Z2 B9 q3 _ - #define E2PROM_CMD_WRITE 2
5 I$ {: q0 i: C6 h% n - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! y5 p, `6 d6 X: E7 g
2 l6 Z5 i3 c; g: G$ y/ |. S4 n- static int readparam(unsigned char *mac, unsigned char *stbid)2 | w* S4 S6 y- {4 F
- {
" Y$ P# @, l( m O0 d8 E0 t/ F - int fd, ret;
/ H% ~" Q; F0 t6 W) L% O7 t1 k3 F - e2prom_s_cmd arg;
7 J0 R6 i2 v" N3 ?) ^5 v' F2 K - unsigned char buf[0x18];
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7 b8 x q% o/ n# x o7 I+ _8 p) r- fd = open(E2PROM_DEVICE, O_RDWR);* `7 q# W8 T9 {
- if (fd < 0) {0 V2 A% W8 E$ M1 l/ J
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 S7 O' v5 W0 Q. v/ T - return -1;! r) f% X. D3 b' z
- }9 H, A3 E0 z$ T- ?+ r! X* F
- arg.sub_addr_count = 2;" e% ~: O" v+ J! u3 J! H
- arg.data_count = 0x18;
: s0 m( u* b$ S7 M: R. h; Q" B6 K4 r - arg.e2prom_cmd_sub_addr = 0x290;
; u7 U% t) K1 T5 m) n - arg.e2prom_cmd_data = buf;
7 u/ V/ j/ f) l! p - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
) t1 q' N* G! m l: b - if (ret != 0) {
3 m0 J( K4 ^- c - printf("Device %s read error.\n", E2PROM_DEVICE);
7 {6 O$ x) w6 U" I - return -1;
6 {# ~- m2 R: G1 e - }$ K$ A. |. A4 A& c; N
- memcpy(mac, buf, 6);
. i3 S: e# s H$ x, r: A - memcpy(stbid, &buf[6], 18);
- w9 v$ D0 `0 e/ c - stbid[18] = '\0';
+ z8 @$ S, l! _2 ~* @" {! B
# l. A9 \! r$ @ f _* g- return 0;
% M$ C: P' C9 f- g' }2 M4 J8 w; y - }
3 A; a, c0 [0 L* L, X2 `, K - + t/ C* t7 P V/ V
- static int writeparam(unsigned char *mac, unsigned char *stbid)8 y. ~. ` ^& J( W' K: \
- {. B; E* N2 q8 R& V- h# G0 p: P
- int fd, ret;2 {0 X- j! E& P
- e2prom_s_cmd arg;0 T$ _# S- E0 [- |
- unsigned char buf[0x18];
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$ o& }6 V0 R- j4 _: P) k8 q0 d, N- memcpy(buf, mac, 6);* A. |+ i1 ~3 @4 \: ^
- memcpy(&buf[6], stbid, 18);
$ j+ p2 ~# F8 A- v. i7 T" F& L% @. r - fd = open(E2PROM_DEVICE, O_RDWR);
6 c: g( u- j; N* q - if (fd < 0) {) d9 r. R: E6 W {1 u
- printf("Device %s open error.\n", E2PROM_DEVICE);* ^- \) P6 A' y: Z4 Z! O
- return -1;
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- arg.sub_addr_count = 2;9 W- e4 O! A% Q' G, c1 \8 y7 S
- arg.data_count = 0x18;5 S9 e! ]- Y4 o
- arg.e2prom_cmd_sub_addr = 0x290;8 ^5 u# [( p) _" [! h8 H! W& {" ^
- arg.e2prom_cmd_data = buf;2 R, D2 ~# |, v/ i/ u
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);8 \4 _# E- e. c
- if (ret != 0) {
& \% r& H. R2 ~ g - printf("Device %s write error.\n", E2PROM_DEVICE);# ]0 D2 b' H- y; c# ~7 Q
- return -1;
) E# W/ L' M Y - }
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7 V& Z+ f$ M6 ]+ C! ~+ k8 B! u v; s! e- return 0;
- a7 Q$ ~, Z. X! ?8 Q5 O" ~4 [2 m - }* J; A/ M0 G# n& D/ @
* H" p9 j# p5 D0 M( \% F9 N) V- int main()8 H% w) q$ M1 c h
- {
5 ]" ~ l+ [# A5 Q; Y/ F, p - char c; p) g" E" N! [; L r) A) c
- int i, macs[6];
% e: A+ J* s1 C; l - unsigned char mac[6];' r7 S B- J4 a4 ^2 O
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)5 I: s& Q1 j# _4 n
- return 1;
. ]9 _/ {; g& M' `& \6 x
( M2 z* H8 z2 L! G, o8 h+ e- printf("Current parameters: \n");
) _: h! g, n! ~" c4 g - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ P. Q" M* Z) o( U* i; U" t! L - printf(" STBID: %s\n", stbid);
& _" j! ~2 R' x - 1 |/ g7 M8 ?; C6 i
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ s# S6 k8 X e; G6 I
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {$ Z5 ?; H" r" s5 ~! v3 u
- printf("Input MAC error\n");3 m6 A/ k" _- q( Z) }
- return 1;+ c) w" M/ o! H) U
- }
2 W) x& F s, { - for (i=0; i<6; i++)mac[i] = macs[i];
, G3 B, U' z# }6 [+ }, L - printf("\nPlease input new STBID: ");
5 |; C6 a" X& w/ E/ F; C; L1 A2 A - scanf("%s", stbid);
7 @/ I; O: y8 n+ V( s9 ` - if (strlen(stbid) != 18) {- t. ~! b" c% O$ r4 k
- printf("Invalid stbid\n");
" k6 r$ A2 b. u( Q" m( ]% A- z# t" Y - return 1;
' e( _6 m1 f' b - }
+ w+ P j$ p' `, ^ - printf("\nNew parameters: \n");
" a) L# O' A* j' ^+ j - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! h# p3 C# v$ {* o5 ~6 q - printf(" STBID: %s\n", stbid); T' T9 B1 ] J/ N
+ D- I6 E, y3 n- printf("\nDo you want to change paramemters? (y/N) ");) t# Y$ e) @4 n4 [, O
- for (;;) {# V o. |/ }5 ^4 p+ l
- c = getchar();
2 F; U; x( J$ ~- X6 S - if (c == 'y' || c == 'Y')- [( K- f( |; I- s; L- [* Y
- break;% q+ a8 G4 }2 K; O2 I" K4 O
- if (c == 'n' || c == 'N') {
1 Q5 Z7 [, m6 J7 `2 `6 T" d - printf("\nAborted.\n");
; w5 e: k( S; G: P, d. F - return 1;7 | j4 }3 h( D. X7 n8 S
- }0 o4 K, M( m5 w% r( G/ n
- }; v8 l: ]7 u5 Q$ A3 e
- if (writeparam(mac, stbid) == 0)
6 c, n. {' Z7 |7 M - printf("Parameters changed.\n");
- F8 C# p/ R! g0 h( a6 z - ' ~2 ^6 [- h! t. j H
- return 0;
' h5 V; P- w) h" J# }8 j: g" L - }
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