本帖最后由 0522 于 2012-3-21 23:04 编辑 7 |' M3 V8 g8 F. G6 a( B
O, X5 M$ G9 r, M8 I$ c修改的代码早有了。到今天不会编译。
) I7 o4 @: r% h8 `0 w2 T9 ~需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 }( C0 g6 i: u& u2 ~: e, O
- #include <malloc.h>
# B! K1 r- d& a. S7 p5 d - #include <sys/types.h>
! n( c' ~" w( o1 g) O3 E$ \ - #include <sys/stat.h>
# O/ w! b2 ~& G: u; g2 C4 F' a' }: G - #include <sys/ioctl.h>
& n9 E6 h0 [1 ^. M2 U* e/ w2 C - #include <stdio.h>
- |9 L! w/ F1 J0 V- [5 f$ Q$ t' k( k) \ ^ - #include <string.h>* u- Y. z1 ~) u/ E( S7 t
) M, p1 r9 j! P! q9 M- typedef struct {
- K! E2 p- n; s, \2 h9 y* q - unsigned int e2prom_cmd_sub_addr;7 M+ }* ?7 }! g+ D {3 p9 V4 S8 |
- unsigned int sub_addr_count;& `! S; f& l7 r) }5 y* V: [/ i
- unsigned char* e2prom_cmd_data;) j( @$ {. R# |( _$ B
- unsigned int data_count;
7 V( r2 S3 _0 v) p2 i- d - } e2prom_s_cmd;
& d8 H& G" n3 j3 Q6 D
& l" R% \9 x: g- #define E2PROM_CMD_READ 1
5 c8 q' A" Q5 w2 s$ K4 e - #define E2PROM_CMD_WRITE 2
9 V8 U) a: j7 J1 I) w9 _ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
2 A$ V2 g( q; e' v - 2 {: N& T2 m, i+ y
- static int readparam(unsigned char *mac, unsigned char *stbid)
% j3 Q b1 b# ^, F" ? - {
1 r; r3 X' M- s0 h - int fd, ret;
2 ?: k4 U P& `5 A+ S - e2prom_s_cmd arg;
. y |) {1 D- h - unsigned char buf[0x18];
0 o" c9 h( C% j' B2 f# a1 N' g0 _6 c - ; Z2 J# W6 G# m4 o7 @
- fd = open(E2PROM_DEVICE, O_RDWR);
$ {7 q8 K! R1 x- _5 p& ^ - if (fd < 0) {6 P, D" n- F; f
- printf("Device %s open error.\n", E2PROM_DEVICE);, K( _! u: x, `* T3 O6 ?8 w
- return -1;6 c3 m/ ~/ a+ I( ^) S* T
- }
& _9 m! O3 r& P# G5 Y* [0 o - arg.sub_addr_count = 2;
- t: E8 I* R& }) c7 W; b - arg.data_count = 0x18;4 a; ]: H9 f3 W2 ^
- arg.e2prom_cmd_sub_addr = 0x290;# D N. q" W' N: i, L& g9 i9 n% |/ M$ M
- arg.e2prom_cmd_data = buf;$ M# A- j, F; F( E7 l- R
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' u. u7 ]& ^$ I8 j, Y - if (ret != 0) {! J) H/ s0 d% i* G. W2 w. q
- printf("Device %s read error.\n", E2PROM_DEVICE);2 V w) S1 `- u; D$ Y" `* w
- return -1;
5 o- w8 A' H3 D% E - }, @, S/ ]- w2 j# x }
- memcpy(mac, buf, 6);
/ _' G1 m, D/ _% v - memcpy(stbid, &buf[6], 18);
( D6 ^( H/ q; b) p1 N: p4 I3 | - stbid[18] = '\0';+ N& S F! m- s! ^, U- ?
- 7 c5 b% v/ `+ c& Z& e) f' _* z9 c
- return 0;6 _0 }3 N% {6 q5 D
- }
. j. e' m4 Q- q" L k' k
4 m; z; _" h- M5 f; l; D( H7 e- static int writeparam(unsigned char *mac, unsigned char *stbid)
' ~4 A: t- l0 d7 i2 z/ ]- U1 E! V - {
! g. Z, R" z$ E# y! T/ } - int fd, ret;
' Z1 `% A9 Z) w4 b5 T - e2prom_s_cmd arg;
9 r% z5 v! W I, f0 k. z - unsigned char buf[0x18];
+ x/ t) w4 @9 v9 |$ K4 W
1 Z9 u1 n4 J' _! T; @- memcpy(buf, mac, 6);9 `2 R" z+ U, M
- memcpy(&buf[6], stbid, 18);
% l% _# M! V+ H5 O; f4 W) D9 u - fd = open(E2PROM_DEVICE, O_RDWR);% p* B; ^0 i( ^1 @' d: C+ g
- if (fd < 0) {6 J2 s% \. j* A- ~" d
- printf("Device %s open error.\n", E2PROM_DEVICE);. ~# V1 \1 ^& S$ A
- return -1;
3 Q& m1 o2 z& q/ U: B$ r5 a - }9 ]5 J4 {+ c& n ^1 X$ s
- arg.sub_addr_count = 2;$ L E& n- h6 z1 {& p1 @
- arg.data_count = 0x18;6 p$ A/ Z+ k; Q8 L2 m9 F! o6 v
- arg.e2prom_cmd_sub_addr = 0x290;
1 U. l% N- X5 l9 l6 W: S* |" | a - arg.e2prom_cmd_data = buf;
3 z! w+ t( [( o# V - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);/ q( [& E7 T) J4 K n6 ]
- if (ret != 0) {3 H( O; v# q% K! g1 \& v/ T
- printf("Device %s write error.\n", E2PROM_DEVICE);4 s$ V* R. P/ ~( N$ M' N
- return -1;' Z% K) s( y7 G- A9 E! j
- }
% _; I# R& U( q8 S
1 ~4 O. [( \/ S9 {- return 0;
, y& q* B& S, P: J/ z# L, j - }6 w5 V v* s9 t( \- ?- A. c% P: w9 l
- 6 a" s3 f1 Y6 L: q$ f1 Q/ h
- int main()
( t' \0 ^0 c* p! e. P - {
$ g; t! p7 J# d+ D - char c;! Y& L8 e+ b/ {/ q+ E9 Y& h
- int i, macs[6];+ Y6 s& I4 \6 m+ J0 ^& d1 j* |* H
- unsigned char mac[6];
/ a& ?8 O$ d. k - unsigned char stbid[256];
" r2 z" k: [' f" M" m( I/ e - ! J/ R$ y% ]& @' h- z; s( V
- if (readparam(mac, stbid) < 0)) {/ M) g1 X e2 y
- return 1;
7 b7 h; l3 p3 o1 ] - $ }* C! W- t |0 {4 L3 ?
- printf("Current parameters: \n");
# t) [4 ?# j' S3 T/ G - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; L& e* G0 P" x: T# ^ F
- printf(" STBID: %s\n", stbid);+ T( b! C& s5 F9 Z, ]* }/ s( H
- + g7 _" D$ d' X
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 x1 f' X0 s5 G% ]( ^5 u& ?
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
8 ^. c6 q: ^7 T0 L: h& ? - printf("Input MAC error\n");
0 q3 Y0 Q9 h% a9 l7 n - return 1;
( @# ^ _& f& a3 E! ]9 a - }
G2 U0 o& w8 p1 |9 L# r - for (i=0; i<6; i++)mac[i] = macs[i];
$ S- {6 H3 D$ v8 e; ~; V% ` - printf("\nPlease input new STBID: ");
/ T2 o* O( T% [. i9 ` - scanf("%s", stbid);; Z1 e1 z; D I% J; C. I* @
- if (strlen(stbid) != 18) {+ L1 v* O9 b4 @9 H: c! t
- printf("Invalid stbid\n");3 V% \+ ]# T% S! v
- return 1;7 r1 S( i) r2 o2 b
- }8 b$ o- `0 H. c* t y0 _
- printf("\nNew parameters: \n");. S; ]* c1 w" ^
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 Z2 }- F$ N" m- c
- printf(" STBID: %s\n", stbid);
7 b6 \! s1 n$ Q3 X& ^" _; E( x - 7 T# Z0 `0 t5 d; ?( L/ m8 _* ?
- printf("\nDo you want to change paramemters? (y/N) ");
4 N: M- F0 H& j3 N3 D - for (;;) {) c' `( s6 L6 p) m1 n3 d# s
- c = getchar();
2 O0 }9 x) j( l1 j# P% J - if (c == 'y' || c == 'Y')4 N2 ?7 ]6 E: r
- break;+ v: B( _9 y6 b& B) n+ p
- if (c == 'n' || c == 'N') {
9 j5 g) M6 v# f( J' d7 ^. B6 u8 ` - printf("\nAborted.\n");
3 J: z* J/ y. o: s: w - return 1;# z3 {; `) U, @& m# z
- }
; S8 W% N- k* b - }
6 i7 M- S7 J5 w - if (writeparam(mac, stbid) == 0)
4 J; c. D: w! e T$ [ - printf("Parameters changed.\n");
' _ E5 `& T% [3 b - & \; q$ R/ l, N( W
- return 0;
% P+ A2 I' a6 R - }
复制代码 |