本帖最后由 0522 于 2012-3-21 23:04 编辑 & z+ Q, m; n7 V1 @6 W; i1 K1 e/ R
# \0 \& ~* K- P7 F: A
修改的代码早有了。到今天不会编译。 n- T8 Z" F. q- c, f' B* Q* t
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
& @: j5 A9 _/ V1 Z - #include <malloc.h>% `0 {8 E% ]1 w) t1 h
- #include <sys/types.h>* h, |1 p, W i v& J: \6 Q
- #include <sys/stat.h>
}3 A0 G9 p& V! W4 M9 u' X: r - #include <sys/ioctl.h>5 ?* @8 N. m2 Z! D8 g& A2 |0 v' q& H
- #include <stdio.h>
z @7 h- J7 j# K - #include <string.h>7 `" P. T3 E' ~& s- J( T0 N
" o: M$ j/ r1 W- typedef struct {8 H5 I4 d ]( ^3 p+ A( T
- unsigned int e2prom_cmd_sub_addr;0 a, I6 J _0 K* G
- unsigned int sub_addr_count;
/ v& o, B+ l9 p1 w4 }$ g8 V - unsigned char* e2prom_cmd_data;
; E5 ?- |0 r" E/ w$ \ - unsigned int data_count;
8 {; c/ F Q, C, J2 r - } e2prom_s_cmd;
+ V: K% f3 n# G" ]% K9 G - . x0 D/ h0 M/ P3 c& ^5 {
- #define E2PROM_CMD_READ 1! Y; x& B+ ^- I: X0 `) b
- #define E2PROM_CMD_WRITE 2
/ {- Z4 H& r; g7 |$ N - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"# @- K3 r8 f' q+ R7 a
# N9 M; h! @% s$ ]3 s- static int readparam(unsigned char *mac, unsigned char *stbid)
6 L* A2 `( v9 D) A - { V: y6 }% ^2 `/ @) q1 k5 H
- int fd, ret;9 M* k: @0 G% B# Q% a
- e2prom_s_cmd arg;2 Q$ F& W: ~& [
- unsigned char buf[0x18];
' A4 k3 [' Q; w8 X - / l( W$ e, G" d3 {& v5 b
- fd = open(E2PROM_DEVICE, O_RDWR);8 g$ A) e2 P( A5 k4 V. W9 A
- if (fd < 0) {
, t4 _" |" M6 i. b. S - printf("Device %s open error.\n", E2PROM_DEVICE);
- T6 o9 o7 L2 w9 U - return -1;9 \9 ^; e( h ~0 c4 {
- }0 ]$ H+ G1 w- f# G% d6 H/ J _
- arg.sub_addr_count = 2;+ S- r2 Q" l' R4 K
- arg.data_count = 0x18;+ a# U8 @# o1 ~( x! C0 ]
- arg.e2prom_cmd_sub_addr = 0x290;
2 B) D( t- J: C% E# i! `* s - arg.e2prom_cmd_data = buf;9 t+ y3 `- ^8 n/ L5 z+ t5 A: a
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);- `% k- Q, ~+ r+ A: G5 U
- if (ret != 0) {" w4 @9 y s0 F% ~6 D! t; o
- printf("Device %s read error.\n", E2PROM_DEVICE);) Y/ ?: [5 O! f3 Q& Y
- return -1;+ S- r* }# t+ f) O2 N7 I
- }- l! y8 E" G+ X8 R4 D9 g) W
- memcpy(mac, buf, 6);# {' K) W3 a. ^0 f6 q) Q2 `
- memcpy(stbid, &buf[6], 18);3 X3 e1 g% b" R+ q6 e
- stbid[18] = '\0';& [" I6 ^2 H+ t7 P5 q. a: ? _2 Z
T0 T3 H) u. W# ]- return 0;$ ]5 S5 H* j7 X3 j9 l; T+ [1 G0 W
- }7 `5 D& z; `, M0 M& A, g1 `
- 8 c5 G' d& m5 f/ G& [
- static int writeparam(unsigned char *mac, unsigned char *stbid)
% _" p( {4 D) u% l1 M; L1 } - {% m0 I# T. B$ g _. S: |
- int fd, ret;
$ ]: B0 ~" `/ r- w - e2prom_s_cmd arg;$ `: D3 p% [9 d3 y% g9 }
- unsigned char buf[0x18];& o' F+ Q$ H5 A- |& x
- K" f7 [% p! m) q& F) L! F+ ]
- memcpy(buf, mac, 6);
% ~# i3 d& h5 r! e0 O } - memcpy(&buf[6], stbid, 18);. W% ?+ B1 R# f9 S
- fd = open(E2PROM_DEVICE, O_RDWR);
1 R( ` m2 D0 u8 M8 p5 j - if (fd < 0) {
1 r f, S9 u* e8 _6 M2 V9 B - printf("Device %s open error.\n", E2PROM_DEVICE);1 X3 N7 B3 i' t/ W
- return -1;. \' \+ r1 d1 `5 H
- }; U( j* L9 W. U+ K2 d; A- m6 M
- arg.sub_addr_count = 2;9 Q! D+ C# A: |/ \
- arg.data_count = 0x18;
' @% Z" k* B! D* Z5 @5 A& T - arg.e2prom_cmd_sub_addr = 0x290;
( i+ o$ u( g4 F F ~. Y! { - arg.e2prom_cmd_data = buf;/ w/ X4 D2 ?* Q4 v" o9 m( ]( U' P
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
5 P% e! w$ u/ P" B. f - if (ret != 0) {, m7 u: l! J1 O
- printf("Device %s write error.\n", E2PROM_DEVICE);
. ]- j; \$ ?' A' D( \ - return -1;6 M, D: c- {: o' \. W( C; X' c
- }
( F& {4 x' J& [+ t( D - + T* |5 _4 L* K* B. k8 x/ [
- return 0;
# g3 Y( W/ Y8 C$ w8 T q4 | - }( F: O% ~) I# ^$ u# m
- ' q+ M+ V- v4 A% ]
- int main()
9 P& a5 X: U6 L5 I - {
; G/ o8 m# _# R" l: S1 D! a* p0 o - char c;$ Q! J" m5 K# e+ Q6 x/ E
- int i, macs[6];) v+ f1 l0 K# ~: C3 q5 y
- unsigned char mac[6];
" _2 w% z+ {9 y0 m2 ^: e - unsigned char stbid[256];& b2 o6 V9 Z/ w+ f! n
- $ }" b6 f, O; H# {/ ]7 _
- if (readparam(mac, stbid) < 0)
* }( d) [5 o( p - return 1;
; k8 x& H6 ] q/ O& \* O. f) ? - ; b* o( J& }& R5 L
- printf("Current parameters: \n");4 J2 _# H4 Y9 _. D L/ X7 R
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& C% W4 x4 _% M- Z" P - printf(" STBID: %s\n", stbid);
# S) ]2 a& z. W. R* f - % r: S8 }" Y. q' h- r
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
M2 q* T$ L( l - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
( d6 s9 @. ]& o( T - printf("Input MAC error\n");/ X5 p" y) P3 \% q( U
- return 1;
0 \( M( f7 a0 S5 {" }5 y - }3 m8 p! n$ @. g% R. }% [3 v; W4 f3 F
- for (i=0; i<6; i++)mac[i] = macs[i];( L" {3 d! {' U
- printf("\nPlease input new STBID: ");
+ _ P3 N4 L- Y' x) W - scanf("%s", stbid);" k8 N$ Q$ @7 L) z9 s- B) F
- if (strlen(stbid) != 18) {
, \% T6 J6 r" Y, O# N2 Q# i' w - printf("Invalid stbid\n");
3 d& I; _$ I" m5 t7 a' y3 I - return 1;
& P0 D8 y' h8 y" e- `- s - }
% d# X7 t, o+ k F1 B2 Y - printf("\nNew parameters: \n");
) q; |$ b/ s" d' ]9 s9 U - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! u y% R7 v3 R# j, {" O
- printf(" STBID: %s\n", stbid);
0 z$ X* w5 t2 Z, }5 Z' l) x6 {+ L - * k$ g2 o* J* Q) \/ `/ E8 `
- printf("\nDo you want to change paramemters? (y/N) ");
' f8 {/ u- q/ M - for (;;) {" B2 `: K2 c% i" J7 @/ w6 g
- c = getchar();
$ J5 m, \0 q7 a - if (c == 'y' || c == 'Y')
O( A. X# P6 k& X/ J - break;% H' }# z$ ]. I3 G. X, [" m: F
- if (c == 'n' || c == 'N') {' g( T# R) ~1 ?! b; F* U0 m
- printf("\nAborted.\n"); T% [! z" I* `1 ^( _
- return 1;
- t, H5 X- Z2 z% b/ j5 R - }
/ u7 e! q; J: c& H% F - }
) T$ @! W# h; K8 P - if (writeparam(mac, stbid) == 0)
) n y; p! k4 s# w8 q - printf("Parameters changed.\n");" l( e' Z6 G" ^ S+ H
0 I* d7 |: T) p- X" J0 k- return 0;
9 c8 N. G, t% [3 K9 _ - }
复制代码 |