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。
$ E" W9 W0 P7 W1 j需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>4 d# u9 j7 ^* D5 h: Q
- #include <malloc.h>
3 _0 l7 N" z5 Q' E3 F - #include <sys/types.h>7 w' i. U; U( r$ j2 K7 e! |
- #include <sys/stat.h>" H9 P& b, \8 A
- #include <sys/ioctl.h>. _5 v: {) I. @' [' w5 o* S, k
- #include <stdio.h>
- \( L1 B, o+ b! R3 I( K - #include <string.h>: T$ r9 V9 q4 W9 K; L d, [
- o5 C, n4 C6 f7 u0 x- typedef struct {
5 w, |& \, P& s5 u: e1 z& i: G - unsigned int e2prom_cmd_sub_addr;
1 ^) @: w8 T: b C7 A - unsigned int sub_addr_count;
) g. Y, R9 h: A! H5 ^# K& f0 b! N - unsigned char* e2prom_cmd_data;" M& y! A" L }, {
- unsigned int data_count;% {# l( U6 k1 o( S" q
- } e2prom_s_cmd;) E" Y; w& v+ D! P `) V
- ) O I6 T$ `8 V# O9 I
- #define E2PROM_CMD_READ 1
& o+ Q3 a4 ~+ P- G2 Z/ { - #define E2PROM_CMD_WRITE 2
* f& F6 F% o; `, }4 C; k1 | - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 a9 C- f0 @1 x
, [- J# @ c2 ^% o0 l- static int readparam(unsigned char *mac, unsigned char *stbid)
* h2 K2 m' L& @: N( V - {
. E, z( e( C, x/ x! W+ l - int fd, ret;0 j6 ]0 F/ i- `& F) s
- e2prom_s_cmd arg;1 p9 S3 l; v# l9 a1 F2 J- T2 g6 Y, Z
- unsigned char buf[0x18];
; F+ H' H+ w. A8 B" S* k
; @1 D/ g' l' Z4 I. a! u- fd = open(E2PROM_DEVICE, O_RDWR);8 e' i4 n) a* U! y: o/ H; i$ k
- if (fd < 0) {" U8 |7 L5 e1 d v! o
- printf("Device %s open error.\n", E2PROM_DEVICE);1 p% u1 V- v P7 Y4 N' a: F; K
- return -1;
l1 m3 K/ N1 x9 `$ b - }
% X/ x2 R: b6 Z1 a" E# v# C - arg.sub_addr_count = 2;
6 ?2 j/ z/ X* N; N - arg.data_count = 0x18;
6 d& h8 e" H4 s0 O$ f- _ - arg.e2prom_cmd_sub_addr = 0x290;% M* [( X% i0 W' ?7 P
- arg.e2prom_cmd_data = buf;8 s% @; e0 ?6 T( E) V
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# c4 m8 |6 j0 j( s( P5 } - if (ret != 0) {
3 R3 a( H* M8 A4 S - printf("Device %s read error.\n", E2PROM_DEVICE);- X6 v2 b- b, }7 B. n- l5 C6 D2 p
- return -1;
* V6 s w% a& ? - }0 s8 [8 B* R5 x9 ?" w# s
- memcpy(mac, buf, 6);6 m* k! Y5 o$ I" S# j/ ~
- memcpy(stbid, &buf[6], 18);8 y- ^& s; v L3 U2 D4 x/ i6 L
- stbid[18] = '\0';) @; m& ?# ~+ ]: M3 ?' R: P5 w% X( O
- % p' x6 m, ]* A1 [! Z4 v
- return 0;
4 D% C0 S) V3 T/ o6 j8 w - }
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" E5 g9 o# H4 U- static int writeparam(unsigned char *mac, unsigned char *stbid)1 `+ ]) I" [) D, ]* M; s1 }$ n0 z& L% q
- {
, i! L1 k- c" f' }* Y& O/ h - int fd, ret;
, F! l5 {$ v: h9 U+ @# V4 l - e2prom_s_cmd arg;
`3 _7 O. E2 o. f$ @! q" n - unsigned char buf[0x18];& ]. X, b0 p) L1 S( K0 |: P5 ?
- 9 H/ s; L; j+ A6 K" t! E8 j( `
- memcpy(buf, mac, 6);1 k# X3 B, r0 u5 O6 e
- memcpy(&buf[6], stbid, 18);0 J6 q; B4 ]9 x- X' X9 U# `
- fd = open(E2PROM_DEVICE, O_RDWR);
4 r/ X# i4 R) ]) X - if (fd < 0) {
J8 S0 n( L# P; `$ }' S& g - printf("Device %s open error.\n", E2PROM_DEVICE);
0 x" X4 V- W7 v - return -1;
: n- r* C* M/ y) \; w' B; E - }
* d% A- D1 y3 {* p - arg.sub_addr_count = 2;
2 {% F/ c; {; C - arg.data_count = 0x18;: t1 @# U* F& I% h# s# z' b, o
- arg.e2prom_cmd_sub_addr = 0x290;- e* W) {) V: b1 Q" K* D
- arg.e2prom_cmd_data = buf;* R+ Z3 U2 P5 Y6 S+ U3 f5 u7 T" O! ]
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);6 x A, a! ~; k( m9 X; B3 I
- if (ret != 0) {- V' B2 N8 U0 g( e: k8 C5 F- L2 ~3 {/ T
- printf("Device %s write error.\n", E2PROM_DEVICE);# l7 f4 R+ t0 q( o2 d1 _; N
- return -1;
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- ( M2 v; Q: {3 r) F
- return 0;/ g9 l% ]6 D% n1 y0 a/ I
- }1 j8 D' \" w J; N* ^
& I( L6 |9 S9 X: S% @$ [) r- int main()
& ^) K: o: B8 O, G; Z& L: ]' F- o - {
# O% Y" s4 ^. |0 n/ m! e/ y* v - char c;2 p+ C" {' X1 ^6 g8 W
- int i, macs[6];
( h( z! S' E6 k5 q( z Y3 t - unsigned char mac[6];
w3 B! T) ~4 s( U/ h/ ^/ [ - unsigned char stbid[256];2 G3 x$ m |$ |) _
- O: Q9 y2 J8 f5 n) Z4 j# x
- if (readparam(mac, stbid) < 0); @; q0 [* x3 p
- return 1;5 S; I" ?+ U& a$ O) ~
- : c. L$ E( K6 n6 u
- printf("Current parameters: \n");
! y0 j/ [; {& ^* ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 a2 f, q+ j s8 b/ P9 N0 N) Q& y
- printf(" STBID: %s\n", stbid);1 p" N* @+ y2 F4 c; h% _
-
2 w" {4 s4 d1 d - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");4 U% d: X+ ^- h) A6 q3 O: L& p9 T
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
* V- n2 @! s* b% s- I4 \ - printf("Input MAC error\n");1 a" T5 I1 V3 M: |2 k) F
- return 1;+ u. } X" b) k- \6 ~9 n% @
- }% a% J, q$ N- E) H* d7 Z
- for (i=0; i<6; i++)mac[i] = macs[i];
6 |; c9 h* A0 N - printf("\nPlease input new STBID: "); s5 n2 \" q: K, @# ~
- scanf("%s", stbid);; }1 a8 G, i6 |& H6 J
- if (strlen(stbid) != 18) {
' S* C) C, b7 N! ~6 D; C1 N* Z - printf("Invalid stbid\n");
+ V% C+ L$ R4 z' \9 y% m2 F& [/ S$ S - return 1;& l! L5 l$ H' w
- }2 ]3 O# U2 }* e/ b0 u
- printf("\nNew parameters: \n");8 n1 _& R% E v$ k% N* x: C/ }
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: c' C* F# H# { E# N+ w+ d- F - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");" M3 F2 w/ ~% S; v- _- H+ a8 ?
- for (;;) {* h; |' _$ g! Q9 ^% a
- c = getchar();
2 r1 W$ x% f3 p0 f& R - if (c == 'y' || c == 'Y')
9 j9 e3 g9 T; G - break; o/ ]' k, c. I8 L, t* J
- if (c == 'n' || c == 'N') {, ~7 H* C/ q, f# M$ J! y0 Q
- printf("\nAborted.\n");
: G! l S$ j4 z - return 1;
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- }( M" i. J5 x/ N( P2 {2 m
- if (writeparam(mac, stbid) == 0) 8 h- y. }1 B2 E, s( ^- [
- printf("Parameters changed.\n");
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- return 0;/ j& |" x) o& x5 I
- }
复制代码 |