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。% v4 n9 t8 b' @' T2 b! G
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
/ N" w7 ~% h8 k - #include <malloc.h>& ]' l! {5 a$ P0 D* r: Y
- #include <sys/types.h>* ~4 ~7 [- n" M. V3 _# U p
- #include <sys/stat.h>
6 @$ X) n" q6 m @3 N, ?4 r& l- ? - #include <sys/ioctl.h>% o" q' C+ Z0 H- L
- #include <stdio.h>
7 r' w% s& c0 d* J! g! j8 T, i - #include <string.h>
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- typedef struct {
9 S0 _# f7 x% N2 }3 o- T# F" n { - unsigned int e2prom_cmd_sub_addr;0 Q$ Y6 U$ C/ x) J3 U
- unsigned int sub_addr_count;) U7 \' p7 N! Y* Y# e
- unsigned char* e2prom_cmd_data;: G2 {' h# o1 x [2 s
- unsigned int data_count;
4 ], U3 }8 z3 M* K y# b# K1 q - } e2prom_s_cmd;+ d. ~" U$ J9 H: K+ A- f/ a
* D4 S, m6 i/ f5 d7 j4 D- #define E2PROM_CMD_READ 1
0 u$ o0 x U1 u/ O' o - #define E2PROM_CMD_WRITE 2
" H' z E9 p4 p/ L( p5 {$ ` - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16" s \6 D# V7 K
1 X* A3 X' p4 t6 a- static int readparam(unsigned char *mac, unsigned char *stbid)$ }! \! i9 F/ d# o, a2 g
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- int fd, ret;* C( o/ P0 o; Q# o
- e2prom_s_cmd arg;+ J6 c/ I$ x0 H8 b4 C
- unsigned char buf[0x18];! ?; T9 ~' A* u+ F- L& X
- - @% T/ z3 V e. D0 D) f; O% C
- fd = open(E2PROM_DEVICE, O_RDWR); G0 T* ~! b! N+ y( @# b' n( \
- if (fd < 0) {
% o% R( q7 r" v2 @2 i! q3 I6 f - printf("Device %s open error.\n", E2PROM_DEVICE);
) m( K$ ?; \, u, A. r# Z - return -1;. F$ q6 c9 J) D! A$ d6 j
- }
1 U" ~9 I6 y# m - arg.sub_addr_count = 2;
7 s& V: k2 t) f1 O# G8 L - arg.data_count = 0x18;3 T2 I* W, ~( O' ~2 O1 N
- arg.e2prom_cmd_sub_addr = 0x290;
! Z2 D7 }7 \# T* m9 _1 [& s - arg.e2prom_cmd_data = buf;
$ M5 k8 _( ]! @9 c1 ? - ret = ioctl(fd, E2PROM_CMD_READ, &arg);6 q1 P |( d5 a. s6 |# c
- if (ret != 0) {
1 e( q0 q" D0 i) t! @( U, l - printf("Device %s read error.\n", E2PROM_DEVICE);0 \ y, s1 Z2 N5 Y
- return -1;3 I6 q; Z4 i4 {9 _ V6 ^# b0 a7 i. B0 Z
- }+ i( Y7 X! c3 L5 K# u! @7 g- M
- memcpy(mac, buf, 6);
$ Z% u" X, C9 ^( ?! H - memcpy(stbid, &buf[6], 18);
5 c' @3 Y: N6 n t1 Z - stbid[18] = '\0';. I# |0 {! U+ ?; M9 ^2 u% v& F
4 R. W, u" U+ T0 C g% L/ o2 \- return 0;
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- 4 ]8 R/ P; }, a) P. O
- static int writeparam(unsigned char *mac, unsigned char *stbid)% S8 ^+ L' L) g/ a9 G* y: J
- {
a U j9 v$ R8 J; z) ~: @ - int fd, ret;
6 \. l& m) }1 l - e2prom_s_cmd arg;" ?' j: ^0 `1 x! q# `
- unsigned char buf[0x18];
7 B% B5 u& a2 u' l - # @, A8 ]& {9 o1 D; L5 l
- memcpy(buf, mac, 6);
2 V* r% d& s$ \ Q" n9 P - memcpy(&buf[6], stbid, 18);! M6 E" `/ [' R; [: v2 t. K9 F
- fd = open(E2PROM_DEVICE, O_RDWR);3 s/ w' B: O* @, W* w0 q) X
- if (fd < 0) {
, z i2 V& x2 Q - printf("Device %s open error.\n", E2PROM_DEVICE);, T$ P- b. C9 k+ T
- return -1;
( E8 d3 m* L" Y7 X% f C - }
$ S2 \ m2 N! p - arg.sub_addr_count = 2;
$ S" v4 C5 E5 x9 ~" s8 o* i# M - arg.data_count = 0x18;
5 f" ]- M+ c' {- u3 H2 [ - arg.e2prom_cmd_sub_addr = 0x290;) E4 u# I7 \) `( [3 A' U; R
- arg.e2prom_cmd_data = buf;
2 V9 y$ Z+ D0 L: u2 {( q - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 x4 ]- |% a/ u4 b) t2 l
- if (ret != 0) {
- p4 Q8 x8 r/ D2 O V - printf("Device %s write error.\n", E2PROM_DEVICE); ?% b$ E1 j- M* r: U* g8 `$ ~
- return -1;
9 `3 ?( F& B; I$ e d, m# a - }
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* r% W( ]) E) u- return 0;+ ?" W( J+ [' W5 q, Z' Z- {) W
- }
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- int main()
: @! M. V& i; r3 Z - {
3 ]& E, I6 M( j6 B% v7 j - char c;/ V( Y+ b, [' Y9 z0 f8 |
- int i, macs[6];
1 }, S+ D G* c3 K. g - unsigned char mac[6];
) p" ]: z$ X6 { - unsigned char stbid[256];
# Z( N% g0 v$ W1 W9 C) e! I
1 @+ C* V% o3 t7 J- if (readparam(mac, stbid) < 0)/ Q: b+ s6 D! U$ W* |* X& \
- return 1;# v& T6 F. |- E! H! l
- 2 F" R/ d- y: [# j8 {0 O' m
- printf("Current parameters: \n");/ W6 h3 E6 d& M+ L
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! D+ I! V+ l1 {: z
- printf(" STBID: %s\n", stbid);
, R% X+ w8 Z! C0 A- r8 d1 ^; g -
% E2 M( _' v; X$ m - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
5 z1 N8 w8 X/ R! D4 Z6 y1 f, s - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 k5 }* N9 n6 M: ~& R% R, N- ]
- printf("Input MAC error\n");( P7 r P( D& y
- return 1;% I) H4 ~4 n) E- P6 `9 E# X" `/ M
- }& F; M2 Q, t$ u8 D
- for (i=0; i<6; i++)mac[i] = macs[i];
6 U7 Y% c$ o4 j& V - printf("\nPlease input new STBID: ");9 a% ?; l. d/ Z/ N
- scanf("%s", stbid);! C( Z' f3 I2 i2 R1 H& p
- if (strlen(stbid) != 18) {) P8 [# D7 P' @/ ]% t+ i
- printf("Invalid stbid\n");
( Q. j& G, f8 U" k0 K - return 1;8 h' T8 Q9 r+ Q: Z' m- x0 `8 P
- }
% T7 y- Y7 f3 b4 h - printf("\nNew parameters: \n");9 W" ~& e" F- L* N, W
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' W- }# {* x$ f$ H S, u
- printf(" STBID: %s\n", stbid);* a% c8 p+ y6 e0 j: H
- $ c5 w. n" m' u1 V# N
- printf("\nDo you want to change paramemters? (y/N) ");. _3 I6 y% u7 M4 Q# c& ]
- for (;;) {
% `' A3 n- a5 S( }$ o5 T5 Y3 I4 K& Z - c = getchar();9 Z3 ]9 e8 r. U% n+ y8 I3 q
- if (c == 'y' || c == 'Y')& b2 C5 l- @( B9 \2 u0 C
- break;
" K* [7 w6 \" ^- |& K - if (c == 'n' || c == 'N') {
2 E9 O0 d5 l: T9 n: C5 y8 c8 c - printf("\nAborted.\n");' R# {2 a" t _( n. X( j( u5 R
- return 1;
$ ? n8 J/ b/ t( g& c1 C5 S: b - }- V8 L1 Y1 K6 v" y: B( w, A
- }
; {" O9 Z) |% ]2 n0 X: N1 B3 E - if (writeparam(mac, stbid) == 0)
2 b+ s/ q7 V+ Q& u - printf("Parameters changed.\n");
) f4 \+ I, K3 b8 b8 i
1 H1 L/ J% s# q- return 0;
' d; J8 I* `/ Y+ t - }
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