本帖最后由 0522 于 2012-3-21 23:04 编辑 4 O" U+ f0 b6 z" B" j8 e0 B6 B
; q/ W# ~- d# p' N8 d/ N修改的代码早有了。到今天不会编译。
/ O# c2 z- d; J# I# u( I4 P需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; f6 n3 K: S; G
- #include <malloc.h>
; d! j" d: e @2 P - #include <sys/types.h>, |2 X9 h# {: i7 e R( e0 ]: j
- #include <sys/stat.h>
0 ~" A6 C: T" c/ P0 u- f E - #include <sys/ioctl.h>4 k4 c' {1 R: S3 C6 y- ~
- #include <stdio.h>
2 e+ [' g- |7 I5 W c - #include <string.h>
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8 E& z$ U6 W* R% }: c9 ?- typedef struct {
8 B/ s X$ F8 z6 p5 ]3 ? - unsigned int e2prom_cmd_sub_addr;
1 L4 C) r: u, c3 T# ?( O; G - unsigned int sub_addr_count;" p# O, s! ~5 W8 q4 \
- unsigned char* e2prom_cmd_data;
9 G1 U4 m2 p9 Q - unsigned int data_count;# m+ t1 e& `6 w3 ?8 z) m! |
- } e2prom_s_cmd;
$ U# g, E. l' {( I - # e& V: x0 m5 N
- #define E2PROM_CMD_READ 1
! ?" P. l: q+ L. o2 ?5 M! d - #define E2PROM_CMD_WRITE 2
) p, @. r9 F( m - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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% X( c+ r7 Z- a/ ]9 O4 f3 @- ]- static int readparam(unsigned char *mac, unsigned char *stbid)
" h1 z1 O, `5 E; y& X* ~ - {
9 ]4 `! v! l8 }$ M9 c1 F - int fd, ret;- }7 a6 j6 B6 }
- e2prom_s_cmd arg;
/ ~3 E5 d$ e8 \/ g - unsigned char buf[0x18];6 I+ J: l0 e6 g8 F+ ~
- & S! ] Q& o! Y- S9 ` d
- fd = open(E2PROM_DEVICE, O_RDWR);( p* I8 I, T" V! F% K" N
- if (fd < 0) {
; Y2 W! Q9 [4 t5 d$ U - printf("Device %s open error.\n", E2PROM_DEVICE);
: \8 l; V; {) S) k% W4 |% b - return -1;
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- arg.sub_addr_count = 2;- c; y4 r2 l; p% C
- arg.data_count = 0x18;& u5 G; d: C& d+ Q
- arg.e2prom_cmd_sub_addr = 0x290;, q; [, T. |& }: \+ |
- arg.e2prom_cmd_data = buf;
8 `$ y6 V( @; K - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
4 C9 I- E/ l7 x. m1 P/ E3 s - if (ret != 0) {7 _. \1 ~5 Z& x7 d1 q9 g. C/ V
- printf("Device %s read error.\n", E2PROM_DEVICE);9 T% D1 a5 i* ?+ M
- return -1;( x0 `3 D& K" k: T1 |
- }9 {' J8 {9 A! j4 t( v9 N3 N" v$ Y
- memcpy(mac, buf, 6);
8 j! E& S9 N2 v: {6 e' B: o5 s - memcpy(stbid, &buf[6], 18);& U: Y3 B8 G8 y) j) i! R! l
- stbid[18] = '\0';5 ]5 G5 C" g. U1 \ I; ^
* S% O$ o; ^$ U" |8 B! w0 A- return 0;+ Y% B# r1 Q3 N* A% `: s
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! a& z' v# L) t+ o P$ z) s' G- static int writeparam(unsigned char *mac, unsigned char *stbid)' @+ _" Y. R0 b) R6 ^0 X
- {
; h2 ?$ y9 Q( } - int fd, ret;! R3 a7 t# [8 E! Y
- e2prom_s_cmd arg;
" |" D0 n/ F3 _) I4 Z* S - unsigned char buf[0x18];% z# i& E. q+ _/ ]& x
- 1 [! n! X( D* b" L m2 |, S: @
- memcpy(buf, mac, 6);' l( L! d1 x! N: i$ W$ f l
- memcpy(&buf[6], stbid, 18);
% Z- l0 f" x* j& H+ J - fd = open(E2PROM_DEVICE, O_RDWR);
; o. \7 k& a: O' a - if (fd < 0) {1 i( W$ A9 N% L
- printf("Device %s open error.\n", E2PROM_DEVICE);; H S$ v4 ]* f6 o! o* J
- return -1;
) L. g4 o' y, q1 z& D. z - }
+ u) C2 q" {0 b- A! Z/ w% q U' u - arg.sub_addr_count = 2;! ]& [' ~% m8 @: L
- arg.data_count = 0x18;
8 S. b) M( Z7 u - arg.e2prom_cmd_sub_addr = 0x290;
' w4 z ? X! K+ o6 _! S - arg.e2prom_cmd_data = buf;
( J6 Q6 @) X6 A8 U" {" U - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
% W7 [' {! k5 v( Z7 \( h, O* @! M - if (ret != 0) {( D* L" [8 k* r1 G7 W3 ?$ r
- printf("Device %s write error.\n", E2PROM_DEVICE);
6 j8 z& h# k' g - return -1;" ?0 d4 G, ]! q9 |/ M3 U4 |
- }
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- return 0;0 C; e; \1 z! F) z1 S1 M: |9 w; I
- }
) |4 x8 `/ _3 U, K7 e+ i9 j. g: ~, ?3 ] - % v/ \/ i6 X/ w1 [3 Q
- int main()
* ^3 r! [3 h& u - {
$ \& P2 W- g5 ]+ z2 t' ]$ l - char c;, r6 W* X1 k$ V7 T2 t; u9 q
- int i, macs[6];) ~' g9 U: ~4 a9 U; f1 x- ?
- unsigned char mac[6];
7 L4 }! d3 c8 K9 h - unsigned char stbid[256];
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7 G+ {) b3 t+ |; Q% X( X- if (readparam(mac, stbid) < 0)3 F; k p) g4 [0 ]6 w; O; M
- return 1;" w: s- y4 U) z% h) S: b. B
7 k& T$ g- v1 T0 P. e: u* n) Y- printf("Current parameters: \n");
. B- j/ V4 D7 I - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 N, z2 E% P" \
- printf(" STBID: %s\n", stbid);( Y/ }# i9 T W: @# r. f6 M
- 0 N- s3 \5 y2 o2 k+ t+ p
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");9 D6 S6 W( i# P1 b( T
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
4 V0 c; |1 t Q% A8 c - printf("Input MAC error\n");& y. d9 L, A& J; j
- return 1;6 {; | `9 O+ E% r
- }7 x# a- q, w5 q0 Q. S
- for (i=0; i<6; i++)mac[i] = macs[i];+ s+ V! @- Q" u, s1 v9 U5 _
- printf("\nPlease input new STBID: ");
! j3 w% m6 K+ \- h7 v' t* H - scanf("%s", stbid);
s% L7 W; ?# K- p. P - if (strlen(stbid) != 18) {
6 T, ?: s9 t" k: M - printf("Invalid stbid\n");- H" ]; f! U3 v
- return 1;9 Q/ r6 W8 ^+ b- J! _" _" Y
- }
$ e/ c$ {! z* T& U5 P: ^7 @0 X$ `: `3 M - printf("\nNew parameters: \n");: c* [* G% P5 x7 V. Z4 I
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- k6 p n* R* b' R6 o - printf(" STBID: %s\n", stbid);9 c& b! `% y* Y
- # j7 {( y9 `* c1 M8 ?5 e1 R
- printf("\nDo you want to change paramemters? (y/N) ");' x. G- i' V! z) j& R2 I" ^# R
- for (;;) {% f9 K3 v* L: t3 q. ^
- c = getchar();
1 v# X) k8 A% C" _& }6 |! y6 t - if (c == 'y' || c == 'Y')
* Y* j" x" i9 c% f - break;
% v1 X* Y) S0 ?- K7 o. N" b0 o - if (c == 'n' || c == 'N') {3 j) @4 m4 N! [! ]) H! J
- printf("\nAborted.\n");
: e/ s! L# V4 A' w- v1 z& g - return 1;
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- }4 O9 g$ O* t% ~
- if (writeparam(mac, stbid) == 0) 1 x" _, L$ O" Q
- printf("Parameters changed.\n");
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- return 0;8 K/ a8 P( X/ C K7 n
- }
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